FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/mxfenc.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 1474 1861 79.2%
Functions: 75 83 90.4%
Branches: 642 922 69.6%
Line Branch Exec Source
1 /*
2 * MXF muxer
3 * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4 * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 /*
24 * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25 * fixes sponsored by NOA GmbH
26 */
27
28 /*
29 * References
30 * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31 * SMPTE 377M MXF File Format Specifications
32 * SMPTE 379M MXF Generic Container
33 * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34 * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35 * SMPTE ST2019-4 (2009 or later) Mapping VC-3 Coding Units into the MXF Generic Container
36 * SMPTE RP210: SMPTE Metadata Dictionary
37 * SMPTE RP224: Registry of SMPTE Universal Labels
38 */
39
40 #include <inttypes.h>
41 #include <time.h>
42
43 #include "libavutil/mem.h"
44 #include "libavutil/opt.h"
45 #include "libavutil/random_seed.h"
46 #include "libavutil/timecode.h"
47 #include "libavutil/avassert.h"
48 #include "libavutil/mastering_display_metadata.h"
49 #include "libavutil/pixdesc.h"
50 #include "libavutil/time_internal.h"
51 #include "libavcodec/defs.h"
52 #include "libavcodec/bytestream.h"
53 #include "libavcodec/golomb.h"
54 #include "libavcodec/h264.h"
55 #include "libavcodec/jpeg2000.h"
56 #include "libavcodec/packet_internal.h"
57 #include "libavcodec/rangecoder.h"
58 #include "libavcodec/startcode.h"
59 #include "avformat.h"
60 #include "avio_internal.h"
61 #include "internal.h"
62 #include "avc.h"
63 #include "nal.h"
64 #include "mux.h"
65 #include "mxf.h"
66 #include "config.h"
67 #include "version.h"
68
69 extern const FFOutputFormat ff_mxf_d10_muxer;
70 extern const FFOutputFormat ff_mxf_opatom_muxer;
71
72 #define IS_D10(s) ((s)->oformat == &ff_mxf_d10_muxer.p)
73 #define IS_OPATOM(s) ((s)->oformat == &ff_mxf_opatom_muxer.p)
74
75 #define EDIT_UNITS_PER_BODY 250
76 #define KAG_SIZE 512
77
78 typedef struct MXFIndexEntry {
79 uint64_t offset;
80 unsigned slice_offset; ///< offset of audio slice
81 uint16_t temporal_ref;
82 uint8_t flags;
83 } MXFIndexEntry;
84
85 typedef struct j2k_info_t {
86 uint16_t j2k_cap; ///< j2k required decoder capabilities
87 uint16_t j2k_rsiz; ///< j2k required decoder capabilities (Rsiz)
88 uint32_t j2k_xsiz; ///< j2k width of the reference grid (Xsiz)
89 uint32_t j2k_ysiz; ///< j2k height of the reference grid (Ysiz)
90 uint32_t j2k_x0siz; ///< j2k horizontal offset from the origin of the reference grid to the left side of the image (X0siz)
91 uint32_t j2k_y0siz; ///< j2k vertical offset from the origin of the reference grid to the left side of the image (Y0siz)
92 uint32_t j2k_xtsiz; ///< j2k width of one reference tile with respect to the reference grid (XTsiz)
93 uint32_t j2k_ytsiz; ///< j2k height of one reference tile with respect to the reference grid (YTsiz)
94 uint32_t j2k_xt0siz; ///< j2k horizontal offset from the origin of the reference grid to the left side of the first tile (XT0siz)
95 uint32_t j2k_yt0siz; ///< j2k vertical offset from the origin of the reference grid to the left side of the first tile (YT0siz)
96 uint8_t j2k_comp_desc[12]; ///< j2k components descriptor (Ssiz(i), XRsiz(i), YRsiz(i))
97 } j2k_info_t;
98
99 typedef struct MXFStreamContext {
100 int64_t pkt_cnt; ///< pkt counter for muxed packets
101 UID track_essence_element_key;
102 int index; ///< index in mxf_essence_container_uls table
103 const UID *codec_ul;
104 const UID *container_ul;
105 int order; ///< interleaving order if dts are equal
106 int interlaced; ///< whether picture is interlaced
107 int field_dominance; ///< tff=1, bff=2
108 int component_depth;
109 int color_siting;
110 int signal_standard;
111 int h_chroma_sub_sample;
112 int v_chroma_sub_sample;
113 int temporal_reordering;
114 AVRational aspect_ratio; ///< display aspect ratio
115 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
116 int video_bit_rate;
117 int slice_offset;
118 int frame_size; ///< frame size in bytes
119 int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
120 int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
121 int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
122 int low_delay; ///< low delay, used in mpeg-2 descriptor
123 int avc_intra;
124 int micro_version; ///< format micro_version, used in ffv1 descriptor
125 j2k_info_t j2k_info;
126 } MXFStreamContext;
127
128 typedef struct MXFContainerEssenceEntry {
129 UID container_ul;
130 UID element_ul;
131 UID codec_ul;
132 void (*write_desc)(AVFormatContext *, AVStream *);
133 } MXFContainerEssenceEntry;
134
135 typedef struct MXFPackage {
136 char *name;
137 enum MXFMetadataSetType type;
138 int instance;
139 struct MXFPackage *ref;
140 } MXFPackage;
141
142 enum ULIndex {
143 INDEX_MPEG2 = 0,
144 INDEX_AES3,
145 INDEX_WAV,
146 INDEX_D10_VIDEO,
147 INDEX_D10_AUDIO,
148 INDEX_DV,
149 INDEX_DNXHD,
150 INDEX_JPEG2000,
151 INDEX_H264,
152 INDEX_S436M,
153 INDEX_PRORES,
154 INDEX_FFV1,
155 };
156
157 static const struct {
158 enum AVCodecID id;
159 enum ULIndex index;
160 } mxf_essence_mappings[] = {
161 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
162 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
163 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
164 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
165 { AV_CODEC_ID_DNXHD, INDEX_DNXHD },
166 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
167 { AV_CODEC_ID_H264, INDEX_H264 },
168 { AV_CODEC_ID_PRORES, INDEX_PRORES },
169 { AV_CODEC_ID_FFV1, INDEX_FFV1 },
170 { AV_CODEC_ID_NONE }
171 };
172
173 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
174 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
175 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
176 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st);
177 static void mxf_write_ffv1_desc(AVFormatContext *s, AVStream *st);
178 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
179 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
180 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st);
181
182 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
183 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
184 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
185 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
186 mxf_write_mpegvideo_desc },
187 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
189 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
190 mxf_write_aes3_desc },
191 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
192 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
193 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
194 mxf_write_wav_desc },
195 // D-10 Video
196 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
197 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
198 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
199 mxf_write_cdci_desc },
200 // D-10 Audio
201 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
202 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
203 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
204 mxf_write_generic_sound_desc },
205 // DV
206 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
207 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
208 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
209 mxf_write_cdci_desc },
210 // DNxHD
211 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
212 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x0C,0x00 },
213 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
214 mxf_write_cdci_desc },
215 // JPEG2000
216 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
217 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
218 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
219 mxf_write_cdci_desc },
220 // H.264
221 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
222 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
223 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
224 mxf_write_h264_desc },
225 // S436M ANC
226 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 },
227 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 },
228 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 },
229 mxf_write_s436m_anc_desc },
230 // ProRes
231 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 },
232 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x17,0x00 },
233 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 },
234 mxf_write_cdci_desc },
235 // FFV1
236 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x23,0x01,0x00 },
237 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x1d,0x00 },
238 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x09,0x00,0x00 },
239 mxf_write_ffv1_desc },
240 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
241 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
242 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
243 NULL },
244 };
245
246 static const UID mxf_d10_codec_uls[] = {
247 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
248 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, // D-10 525/50 NTSC 50mb/s
249 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, // D-10 625/50 PAL 40mb/s
250 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, // D-10 525/50 NTSC 40mb/s
251 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, // D-10 625/50 PAL 30mb/s
252 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, // D-10 525/50 NTSC 30mb/s
253 };
254
255 static const UID mxf_d10_container_uls[] = {
256 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
257 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, // D-10 525/50 NTSC 50mb/s
258 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, // D-10 625/50 PAL 40mb/s
259 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, // D-10 525/50 NTSC 40mb/s
260 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, // D-10 625/50 PAL 30mb/s
261 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, // D-10 525/50 NTSC 30mb/s
262 };
263
264
265 static const UID mxf_ffv1_codec_uls[] = {
266 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x01,0x00 }, // FFV1 version 0
267 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x02,0x00 }, // FFV1 version 1
268 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x03,0x00 }, // FFV1 version 2 (was only experimental)
269 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x04,0x00 }, // FFV1 version 3
270 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x05,0x00 }, // FFV1 version 4
271 };
272
273 static const uint8_t product_uid[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd,0x00,0x0c,0x00,0x02};
274 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff };
275 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
276
277 /**
278 * complete key for operation pattern, partitions, and primer pack
279 */
280 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
281 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
282 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
283 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
284 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
285 static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
286 static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
287 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
288 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
289
290 /**
291 * partial key for header metadata
292 */
293 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
294 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
295
296 /**
297 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
298 * https://smpte-ra.org/sites/default/files/Labels.xml
299 */
300 static const MXFLocalTagPair mxf_local_tag_batch[] = {
301 // preface set
302 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
303 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
304 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
305 { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
306 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
307 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
308 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
309 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
310 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
311 // Identification
312 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
313 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
314 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
315 { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
316 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
317 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
318 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
319 { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
320 { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
321 // Content Storage
322 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
323 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
324 // Essence Container Data
325 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
326 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
327 // Package
328 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
329 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
330 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
331 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
332 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
333 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
334 // Track
335 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
336 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
337 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
338 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
339 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
340 // Sequence
341 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
342 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
343 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
344 // Source Clip
345 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
346 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
347 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
348 // Timecode Component
349 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
350 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
351 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
352 // File Descriptor
353 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
354 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
355 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
356 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
357 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
358 // Generic Picture Essence Descriptor
359 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
360 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
361 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
362 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
363 { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
364 { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
365 { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
366 { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
367 { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
368 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
369 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
370 { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
371 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
372 { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
373 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
374 { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
375 { 0x321A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x03,0x01,0x00}}, /* Coding Equations (color space) */
376 { 0x3219, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x04,0x01,0x02,0x01,0x01,0x06,0x01,0x00}}, /* Color Primaries */
377 { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
378 { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
379 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
380 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
381 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
382 // CDCI Picture Essence Descriptor
383 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
384 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
385 { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
386 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
387 { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
388 { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
389 { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
390 { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
391 // Generic Sound Essence Descriptor
392 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
393 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
394 { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
395 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
396 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
397 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
398 // Index Table Segment
399 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
400 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
401 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
402 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
403 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
404 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
405 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
406 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
407 // MPEG video Descriptor
408 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
409 { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
410 { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
411 { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
412 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
413 { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
414 // Wave Audio Essence Descriptor
415 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
416 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
417 // mxf_user_comments_local_tag
418 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
419 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
420 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
421 // mxf_avc_subdescriptor_local_tags
422 { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */
423 { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */
424 { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */
425 { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */
426 // ff_mxf_mastering_display_local_tags
427 { 0x8301, FF_MXF_MasteringDisplayPrimaries },
428 { 0x8302, FF_MXF_MasteringDisplayWhitePointChromaticity },
429 { 0x8303, FF_MXF_MasteringDisplayMaximumLuminance },
430 { 0x8304, FF_MXF_MasteringDisplayMinimumLuminance },
431 // FFV1
432 { 0xDFD9, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x0C,0x06,0x00,0x00,0x00}}, /* FFV1 Micro-version */
433 { 0xDFDA, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x0C,0x05,0x00,0x00,0x00}}, /* FFV1 Version */
434 { 0xDFDB, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x0C,0x01,0x00,0x00,0x00}}, /* FFV1 Initialization Metadata */
435 // ff_mxf_jpeg2000_local_tags
436 { 0x8400, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* Sub Descriptors / Opt Ordered array of strong references to sub descriptor sets */
437 { 0x8401, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x01,0x00,0x00,0x00}}, /* Rsiz: An enumerated value that defines the decoder capabilities */
438 { 0x8402, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x02,0x00,0x00,0x00}}, /* Xsiz: Width of the reference grid */
439 { 0x8403, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x03,0x00,0x00,0x00}}, /* Ysiz: Height of the reference grid */
440 { 0x8404, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x04,0x00,0x00,0x00}}, /* X0siz: Horizontal offset from the origin of the reference grid to the left side of the image area */
441 { 0x8405, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x05,0x00,0x00,0x00}}, /* Y0siz: Vertical offset from the origin of the reference grid to the left side of the image area */
442 { 0x8406, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x06,0x00,0x00,0x00}}, /* XTsiz: Width of one reference tile with respect to the reference grid */
443 { 0x8407, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x07,0x00,0x00,0x00}}, /* YTsiz: Height of one reference tile with respect to the reference grid */
444 { 0x8408, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x08,0x00,0x00,0x00}}, /* XT0siz: Horizontal offset from the origin of the reference grid to the left side of the first tile */
445 { 0x8409, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x09,0x00,0x00,0x00}}, /* YT0siz: Vertical offset from the origin of the reference grid to the left side of the first tile */
446 { 0x840A, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x0A,0x00,0x00,0x00}}, /* Csiz: The number of components in the picture */
447 { 0x840B, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x0B,0x00,0x00,0x00}}, /* Ssizi, XRSizi, YRSizi: Array of picture components where each component comprises 3 bytes named Ssizi, XRSizi, YRSizi. The array of 3-byte groups is preceded by the array header comprising a 4-byte value of the number of components followed by a 4-byte value of 3. */
448 { 0x840C, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x0E,0x00,0x00,0x00}}, /* The nature and order of the image components in the compressed domain as carried in the J2C codestream. */
449 };
450
451 #define MXF_NUM_TAGS FF_ARRAY_ELEMS(mxf_local_tag_batch)
452
453 typedef struct MXFContext {
454 AVClass *av_class;
455 int64_t footer_partition_offset;
456 int essence_container_count;
457 AVRational time_base;
458 int header_written;
459 MXFIndexEntry *index_entries;
460 unsigned edit_units_count;
461 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
462 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
463 int last_indexed_edit_unit;
464 uint64_t *body_partition_offset;
465 unsigned body_partitions_count;
466 int last_key_index; ///< index of last key frame
467 uint64_t duration;
468 AVTimecode tc; ///< timecode context
469 AVStream *timecode_track;
470 int timecode_base; ///< rounded time code base (25 or 30)
471 int edit_unit_byte_count; ///< fixed edit unit byte count
472 int content_package_rate; ///< content package rate in system element, see SMPTE 326M
473 uint64_t body_offset;
474 uint32_t instance_number;
475 uint8_t umid[16]; ///< unique material identifier
476 int channel_count;
477 int signal_standard;
478 uint32_t tagged_value_count;
479 AVRational audio_edit_rate;
480 int store_user_comments;
481 int track_instance_count; // used to generate MXFTrack uuids
482 int cbr_index; ///< use a constant bitrate index
483 uint8_t unused_tags[MXF_NUM_TAGS]; ///< local tags that we know will not be used
484 MXFStreamContext timecode_track_priv;
485 } MXFContext;
486
487 1754 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
488 {
489 1754 avio_write(pb, uuid_base, 10);
490 1754 avio_wb16(pb, type);
491 1754 avio_wb32(pb, value);
492 1754 }
493
494 428 static void mxf_write_umid(AVFormatContext *s, int type)
495 {
496 428 MXFContext *mxf = s->priv_data;
497 428 avio_write(s->pb, umid_ul, 13);
498 428 avio_wb24(s->pb, mxf->instance_number);
499 428 avio_write(s->pb, mxf->umid, 15);
500 428 avio_w8(s->pb, type);
501 428 }
502
503 498 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
504 {
505 498 avio_wb32(pb, ref_count);
506 498 avio_wb32(pb, 16);
507 498 }
508
509 857 static int klv_ber_length(uint64_t len)
510 {
511
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 857 if (len < 128)
512 693 return 1;
513 else
514 164 return (av_log2(len) >> 3) + 2;
515 }
516
517 857 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
518 {
519 // Determine the best BER size
520 857 int size = klv_ber_length(len);
521
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 857 if (size == 1) {
522 //short form
523 693 avio_w8(pb, len);
524 693 return 1;
525 }
526
527 164 size --;
528 // long form
529 164 avio_w8(pb, 0x80 + size);
530
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 362 while(size) {
531 198 size--;
532 198 avio_w8(pb, len >> 8 * size & 0xff);
533 }
534 164 return 0;
535 }
536
537 2114 static void klv_encode_ber4_length(AVIOContext *pb, int len)
538 {
539 2114 avio_w8(pb, 0x80 + 3);
540 2114 avio_wb24(pb, len);
541 2114 }
542
543 6 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
544 {
545 6 avio_w8(pb, 0x80 + 8);
546 6 avio_wb64(pb, len);
547 6 }
548
549 /*
550 * Get essence container ul index
551 */
552 25 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
553 {
554 int i;
555
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 73 for (i = 0; mxf_essence_mappings[i].id; i++)
556
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 73 if (mxf_essence_mappings[i].id == id)
557 25 return mxf_essence_mappings[i].index;
558 ✗ return -1;
559 }
560
561 6782 static const MXFLocalTagPair* mxf_lookup_local_tag(int tag)
562 {
563
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 306312 for (int i = 0; i < MXF_NUM_TAGS; i++) {
564
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 306312 if (mxf_local_tag_batch[i].local_tag == tag) {
565 6782 return &mxf_local_tag_batch[i];
566 }
567 }
568
569 // this assert can only be hit during development
570 ✗ av_assert0(0 && "you forgot to add your new tag to mxf_local_tag_batch");
571 return NULL;
572 }
573
574 884 static void mxf_mark_tag_unused(MXFContext *mxf, int tag)
575 {
576 884 const MXFLocalTagPair *pair = mxf_lookup_local_tag(tag);
577 884 mxf->unused_tags[pair - mxf_local_tag_batch] = 1;
578 884 }
579
580 34 static void mxf_write_primer_pack(AVFormatContext *s)
581 {
582 34 MXFContext *mxf = s->priv_data;
583 34 AVIOContext *pb = s->pb;
584 34 int local_tag_number = MXF_NUM_TAGS, i;
585 34 int will_have_avc_tags = 0, will_have_mastering_tags = 0, will_have_ffv1_tags = 0, will_have_jpeg2000_tags = 0;
586
587
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 92 for (i = 0; i < s->nb_streams; i++) {
588 58 MXFStreamContext *sc = s->streams[i]->priv_data;
589
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 58 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
590 ✗ will_have_avc_tags = 1;
591 }
592
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 58 if (av_packet_side_data_get(s->streams[i]->codecpar->coded_side_data,
593 58 s->streams[i]->codecpar->nb_coded_side_data,
594 AV_PKT_DATA_MASTERING_DISPLAY_METADATA)) {
595 2 will_have_mastering_tags = 1;
596 }
597
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 58 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_FFV1) {
598 2 will_have_ffv1_tags = 1;
599 }
600
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 58 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_JPEG2000){
601 ✗ will_have_jpeg2000_tags = 1;
602 }
603 }
604
605
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 34 if (!mxf->store_user_comments) {
606 28 mxf_mark_tag_unused(mxf, 0x4406);
607 28 mxf_mark_tag_unused(mxf, 0x5001);
608 28 mxf_mark_tag_unused(mxf, 0x5003);
609 }
610
611
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 34 if (!will_have_avc_tags && !will_have_ffv1_tags) {
612 32 mxf_mark_tag_unused(mxf, 0x8100);
613 }
614
615
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 34 if (!will_have_avc_tags) {
616 34 mxf_mark_tag_unused(mxf, 0x8200);
617 34 mxf_mark_tag_unused(mxf, 0x8201);
618 34 mxf_mark_tag_unused(mxf, 0x8202);
619 }
620
621
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 34 if (!will_have_mastering_tags) {
622 32 mxf_mark_tag_unused(mxf, 0x8301);
623 32 mxf_mark_tag_unused(mxf, 0x8302);
624 32 mxf_mark_tag_unused(mxf, 0x8303);
625 32 mxf_mark_tag_unused(mxf, 0x8304);
626 }
627
628
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 34 if (!will_have_ffv1_tags) {
629 32 mxf_mark_tag_unused(mxf, 0xDFD9);
630 32 mxf_mark_tag_unused(mxf, 0xDFDA);
631 32 mxf_mark_tag_unused(mxf, 0xDFDB);
632 }
633
634
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 34 if (!will_have_jpeg2000_tags) {
635 34 mxf_mark_tag_unused(mxf, 0x8400);
636 34 mxf_mark_tag_unused(mxf, 0x8401);
637 34 mxf_mark_tag_unused(mxf, 0x8402);
638 34 mxf_mark_tag_unused(mxf, 0x8403);
639 34 mxf_mark_tag_unused(mxf, 0x8404);
640 34 mxf_mark_tag_unused(mxf, 0x8405);
641 34 mxf_mark_tag_unused(mxf, 0x8406);
642 34 mxf_mark_tag_unused(mxf, 0x8407);
643 34 mxf_mark_tag_unused(mxf, 0x8408);
644 34 mxf_mark_tag_unused(mxf, 0x8409);
645 34 mxf_mark_tag_unused(mxf, 0x840A);
646 34 mxf_mark_tag_unused(mxf, 0x840B);
647 34 mxf_mark_tag_unused(mxf, 0x840C);
648 }
649
650
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 4352 for (i = 0; i < MXF_NUM_TAGS; i++) {
651
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 4318 if (mxf->unused_tags[i]) {
652 884 local_tag_number--;
653 }
654 }
655
656 34 avio_write(pb, primer_pack_key, 16);
657 34 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
658
659 34 avio_wb32(pb, local_tag_number); // local_tag num
660 34 avio_wb32(pb, 18); // item size, always 18 according to the specs
661
662
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 4352 for (i = 0; i < MXF_NUM_TAGS; i++) {
663
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 4318 if (mxf->unused_tags[i] == 0) {
664 3434 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
665 3434 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
666 }
667 }
668 34 }
669
670 5898 static void mxf_write_local_tag(AVFormatContext *s, int size, int tag)
671 {
672 5898 MXFContext *mxf = s->priv_data;
673 5898 AVIOContext *pb = s->pb;
674 5898 const MXFLocalTagPair *pair = mxf_lookup_local_tag(tag);
675
676 // make sure the tag was not declared unnecessary upfront
677
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 5898 av_assert0(mxf->unused_tags[pair - mxf_local_tag_batch] == 0);
678
679 5898 avio_wb16(pb, tag);
680 5898 avio_wb16(pb, size);
681 5898 }
682
683 806 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
684 {
685 806 avio_write(pb, header_metadata_key, 13);
686 806 avio_wb24(pb, value);
687 806 }
688
689 336 static const MXFCodecUL *mxf_get_codec_ul_by_id(const MXFCodecUL *uls, int id)
690 {
691
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 1266 while (uls->uid[0]) {
692
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 1184 if (id == uls->id)
693 254 break;
694 930 uls++;
695 }
696 336 return uls;
697 }
698
699 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
700 #define DESCRIPTOR_COUNT(essence_container_count) \
701 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
702
703 100 static void mxf_write_essence_container_refs(AVFormatContext *s)
704 {
705 100 MXFContext *c = s->priv_data;
706 100 AVIOContext *pb = s->pb;
707 int i;
708
709
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 100 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
710 100 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
711
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 220 for (i = 0; i < s->nb_streams; i++) {
712 163 MXFStreamContext *sc = s->streams[i]->priv_data;
713 // check first track of essence container type and only write it once
714
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 163 if (sc->track_essence_element_key[15] != 0)
715 6 continue;
716 157 avio_write(pb, *sc->container_ul, 16);
717
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 157 if (c->essence_container_count == 1)
718 43 break;
719 }
720
721
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 100 if (c->essence_container_count > 1)
722 57 avio_write(pb, multiple_desc_ul, 16);
723 100 }
724
725 34 static void mxf_write_preface(AVFormatContext *s)
726 {
727 34 MXFContext *mxf = s->priv_data;
728 34 AVIOContext *pb = s->pb;
729
730 34 mxf_write_metadata_key(pb, 0x012f00);
731 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
732
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 34 klv_encode_ber_length(pb, 138 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
733
734 // write preface set uid
735 34 mxf_write_local_tag(s, 16, 0x3C0A);
736 34 mxf_write_uuid(pb, Preface, 0);
737 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
738
739 // last modified date
740 34 mxf_write_local_tag(s, 8, 0x3B02);
741 34 avio_wb64(pb, mxf->timestamp);
742
743 // write version
744 34 mxf_write_local_tag(s, 2, 0x3B05);
745 34 avio_wb16(pb, 259); // v1.3
746
747 // Object Model Version
748 34 mxf_write_local_tag(s, 4, 0x3B07);
749 34 avio_wb32(pb, 1);
750
751 // write identification_refs
752 34 mxf_write_local_tag(s, 16 + 8, 0x3B06);
753 34 mxf_write_refs_count(pb, 1);
754 34 mxf_write_uuid(pb, Identification, 0);
755
756 // write content_storage_refs
757 34 mxf_write_local_tag(s, 16, 0x3B03);
758 34 mxf_write_uuid(pb, ContentStorage, 0);
759
760 // operational pattern
761 34 mxf_write_local_tag(s, 16, 0x3B09);
762
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 34 if (IS_OPATOM(s))
763 6 avio_write(pb, opatom_ul, 16);
764 else
765 28 avio_write(pb, op1a_ul, 16);
766
767 // write essence_container_refs
768
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 34 mxf_write_local_tag(s, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
769 34 mxf_write_essence_container_refs(s);
770
771 // write dm_scheme_refs
772 34 mxf_write_local_tag(s, 8, 0x3B0B);
773 34 avio_wb64(pb, 0);
774 34 }
775
776 /*
777 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
778 * from decoding the utf-8 string.
779 */
780 294 static uint64_t mxf_utf16len(const char *utf8_str)
781 {
782 294 const uint8_t *q = utf8_str;
783 294 uint64_t size = 0;
784
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 2160 while (*q) {
785 uint32_t ch;
786
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 1866 GET_UTF8(ch, *q++, goto invalid;)
787
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 1866 if (ch < 0x10000)
788 1866 size++;
789 else
790 ✗ size += 2;
791 1866 continue;
792 ✗ invalid:
793 ✗ av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
794 }
795 294 size += 1;
796 294 return size;
797 }
798
799 /*
800 * Returns the calculated length a local tag containing an utf-8 string as utf-16
801 */
802 218 static int mxf_utf16_local_tag_length(const char *utf8_str)
803 {
804 uint64_t size;
805
806
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 218 if (!utf8_str)
807 68 return 0;
808
809 150 size = mxf_utf16len(utf8_str);
810
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 150 if (size >= UINT16_MAX/2) {
811 ✗ av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
812 ✗ return 0;
813 }
814
815 150 return 4 + size * 2;
816 }
817
818 /*
819 * Write a local tag containing an utf-8 string as utf-16
820 */
821 144 static void mxf_write_local_tag_utf16(AVFormatContext *s, int tag, const char *value)
822 {
823 144 AVIOContext *pb = s->pb;
824 144 uint64_t size = mxf_utf16len(value);
825
826
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 144 if (size >= UINT16_MAX/2) {
827 ✗ av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
828 ✗ return;
829 }
830
831 144 mxf_write_local_tag(s, size*2, tag);
832 144 avio_put_str16be(pb, value);
833 }
834
835 68 static void store_version(AVFormatContext *s){
836 68 AVIOContext *pb = s->pb;
837
838
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 68 if (s->flags & AVFMT_FLAG_BITEXACT) {
839 68 avio_wb16(pb, 0); // major
840 68 avio_wb16(pb, 0); // minor
841 68 avio_wb16(pb, 0); // tertiary
842 } else {
843 ✗ avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
844 ✗ avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
845 ✗ avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
846 }
847 68 avio_wb16(pb, 0); // patch
848 68 avio_wb16(pb, 0); // release
849 68 }
850
851 #define PLATFORM_IDENT "Lavf " AV_STRINGIFY((OS_NAME))
852 34 static void mxf_write_identification(AVFormatContext *s)
853 {
854 34 MXFContext *mxf = s->priv_data;
855 34 AVIOContext *pb = s->pb;
856 34 AVDictionaryEntry *com_entry = av_dict_get(s->metadata, "company_name", NULL, 0);
857 34 AVDictionaryEntry *product_entry = av_dict_get(s->metadata, "product_name", NULL, 0);
858 34 AVDictionaryEntry *version_entry = av_dict_get(s->metadata, "product_version", NULL, 0);
859
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 34 const char *company = com_entry ? com_entry->value : "FFmpeg";
860
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 34 const char *product = product_entry ? product_entry->value : !IS_OPATOM(s) ? "OP1a Muxer" : "OPAtom Muxer";
861
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 34 const char *platform = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : PLATFORM_IDENT;
862
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 66 const char *version = version_entry ? version_entry->value :
863
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 32 s->flags & AVFMT_FLAG_BITEXACT ? "0.0.0" :
864 AV_STRINGIFY(LIBAVFORMAT_VERSION);
865 int length;
866
867 34 mxf_write_metadata_key(pb, 0x013000);
868 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
869
870 34 length = 100 +mxf_utf16_local_tag_length(company) +
871 34 mxf_utf16_local_tag_length(product) +
872 34 mxf_utf16_local_tag_length(platform) +
873 34 mxf_utf16_local_tag_length(version);
874 34 klv_encode_ber_length(pb, length);
875
876 // write uid
877 34 mxf_write_local_tag(s, 16, 0x3C0A);
878 34 mxf_write_uuid(pb, Identification, 0);
879 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
880
881 // write generation uid
882 34 mxf_write_local_tag(s, 16, 0x3C09);
883 34 mxf_write_uuid(pb, Identification, 1);
884 34 mxf_write_local_tag_utf16(s, 0x3C01, company); // Company Name
885 34 mxf_write_local_tag_utf16(s, 0x3C02, product); // Product Name
886
887 34 mxf_write_local_tag(s, 10, 0x3C03); // Product Version
888 34 store_version(s);
889
890 34 mxf_write_local_tag_utf16(s, 0x3C04, version); // Version String
891 34 mxf_write_local_tag_utf16(s, 0x3C08, platform); // Platform
892
893 // write product uid
894 34 mxf_write_local_tag(s, 16, 0x3C05);
895 34 avio_write(pb, product_uid, 16);
896
897 // modification date
898 34 mxf_write_local_tag(s, 8, 0x3C06);
899 34 avio_wb64(pb, mxf->timestamp);
900
901 34 mxf_write_local_tag(s, 10, 0x3C07); // Toolkit Version
902 34 store_version(s);
903 34 }
904
905 34 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
906 {
907 34 AVIOContext *pb = s->pb;
908 int i;
909
910 34 mxf_write_metadata_key(pb, 0x011800);
911 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
912 34 klv_encode_ber_length(pb, 60 + (16 * package_count));
913
914 // write uid
915 34 mxf_write_local_tag(s, 16, 0x3C0A);
916 34 mxf_write_uuid(pb, ContentStorage, 0);
917 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
918
919 // write package reference
920 34 mxf_write_local_tag(s, 16 * package_count + 8, 0x1901);
921 34 mxf_write_refs_count(pb, package_count);
922
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 104 for (i = 0; i < package_count; i++) {
923 70 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
924 }
925
926 // write essence container data
927 34 mxf_write_local_tag(s, 8 + 16, 0x1902);
928 34 mxf_write_refs_count(pb, 1);
929 34 mxf_write_uuid(pb, EssenceContainerData, 0);
930 34 }
931
932 190 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
933 {
934 190 MXFContext *mxf = s->priv_data;
935 190 AVIOContext *pb = s->pb;
936 190 MXFStreamContext *sc = st->priv_data;
937
938 190 mxf_write_metadata_key(pb, 0x013b00);
939 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
940 190 klv_encode_ber_length(pb, 80);
941
942 // write track uid
943 190 mxf_write_local_tag(s, 16, 0x3C0A);
944 190 mxf_write_uuid(pb, Track, mxf->track_instance_count);
945 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
946
947 // write track id
948 190 mxf_write_local_tag(s, 4, 0x4801);
949 190 avio_wb32(pb, st->index+2);
950
951 // write track number
952 190 mxf_write_local_tag(s, 4, 0x4804);
953
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 190 if (package->type == MaterialPackage)
954 92 avio_wb32(pb, 0); // track number of material package is 0
955 else
956 98 avio_write(pb, sc->track_essence_element_key + 12, 4);
957
958 // write edit rate
959 190 mxf_write_local_tag(s, 8, 0x4B01);
960
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 190 if (st == mxf->timecode_track && IS_OPATOM(s)) {
962 12 avio_wb32(pb, mxf->tc.rate.num);
963 12 avio_wb32(pb, mxf->tc.rate.den);
964 } else {
965 178 avio_wb32(pb, mxf->time_base.den);
966 178 avio_wb32(pb, mxf->time_base.num);
967 }
968
969 // write origin
970 190 mxf_write_local_tag(s, 8, 0x4B02);
971 190 avio_wb64(pb, 0);
972
973 // write sequence refs
974 190 mxf_write_local_tag(s, 16, 0x4803);
975 190 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
976 190 }
977
978 static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 };
979
980 380 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
981 {
982 380 MXFContext *mxf = s->priv_data;
983 380 AVIOContext *pb = s->pb;
984
985 // find data define uls
986 380 mxf_write_local_tag(s, 16, 0x0201);
987
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 380 if (st == mxf->timecode_track)
988 140 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
989 else {
990 240 const MXFCodecUL *data_def_ul = mxf_get_codec_ul_by_id(ff_mxf_data_definition_uls, st->codecpar->codec_type);
991 240 avio_write(pb, data_def_ul->uid, 16);
992 }
993
994 // write duration
995 380 mxf_write_local_tag(s, 8, 0x0202);
996
997
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 380 if (st != mxf->timecode_track && IS_OPATOM(s) && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
998 8 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
999 } else {
1000 372 avio_wb64(pb, mxf->duration);
1001 }
1002 380 }
1003
1004 190 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
1005 {
1006 190 MXFContext *mxf = s->priv_data;
1007 190 AVIOContext *pb = s->pb;
1008 enum MXFMetadataSetType component;
1009
1010 190 mxf_write_metadata_key(pb, 0x010f00);
1011 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
1012 190 klv_encode_ber_length(pb, 80);
1013
1014 190 mxf_write_local_tag(s, 16, 0x3C0A);
1015 190 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
1016
1017 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
1018 190 mxf_write_common_fields(s, st);
1019
1020 // write structural component
1021 190 mxf_write_local_tag(s, 16 + 8, 0x1001);
1022 190 mxf_write_refs_count(pb, 1);
1023
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 190 if (st == mxf->timecode_track)
1024 70 component = TimecodeComponent;
1025 else
1026 120 component = SourceClip;
1027
1028 190 mxf_write_uuid(pb, component, mxf->track_instance_count);
1029 190 }
1030
1031 70 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1032 {
1033 70 MXFContext *mxf = s->priv_data;
1034 70 AVIOContext *pb = s->pb;
1035
1036 70 mxf_write_metadata_key(pb, 0x011400);
1037 70 klv_encode_ber_length(pb, 75);
1038
1039 // UID
1040 70 mxf_write_local_tag(s, 16, 0x3C0A);
1041 70 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
1042
1043 70 mxf_write_common_fields(s, st);
1044
1045 // Start Time Code
1046 70 mxf_write_local_tag(s, 8, 0x1501);
1047 70 avio_wb64(pb, mxf->tc.start);
1048
1049 // Rounded Time Code Base
1050 70 mxf_write_local_tag(s, 2, 0x1502);
1051 70 avio_wb16(pb, mxf->timecode_base);
1052
1053 // Drop Frame
1054 70 mxf_write_local_tag(s, 1, 0x1503);
1055 70 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
1056 70 }
1057
1058 120 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1059 {
1060 120 MXFContext *mxf = s->priv_data;
1061 120 AVIOContext *pb = s->pb;
1062
1063 120 mxf_write_metadata_key(pb, 0x011100);
1064 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
1065 120 klv_encode_ber_length(pb, 108);
1066
1067 // write uid
1068 120 mxf_write_local_tag(s, 16, 0x3C0A);
1069 120 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
1070
1071 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
1072 120 mxf_write_common_fields(s, st);
1073
1074 // write start_position
1075 120 mxf_write_local_tag(s, 8, 0x1201);
1076 120 avio_wb64(pb, 0);
1077
1078 // write source package uid, end of the reference
1079 120 mxf_write_local_tag(s, 32, 0x1101);
1080
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 120 if (!package->ref) {
1081 58 ffio_fill(pb, 0, 32);
1082 } else
1083 62 mxf_write_umid(s, package->ref->instance);
1084
1085 // write source track id
1086 120 mxf_write_local_tag(s, 4, 0x1102);
1087
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 120 if (package->type == SourcePackage && !package->ref)
1088 58 avio_wb32(pb, 0);
1089 else
1090 62 avio_wb32(pb, st->index+2);
1091 120 }
1092
1093 2 static void mxf_write_tape_descriptor(AVFormatContext *s)
1094 {
1095 2 AVIOContext *pb = s->pb;
1096
1097 2 mxf_write_metadata_key(pb, 0x012e00);
1098 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
1099 2 klv_encode_ber_length(pb, 20);
1100 2 mxf_write_local_tag(s, 16, 0x3C0A);
1101 2 mxf_write_uuid(pb, TapeDescriptor, 0);
1102 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
1103 2 }
1104
1105
1106 22 static void mxf_write_multi_descriptor(AVFormatContext *s)
1107 {
1108 22 MXFContext *mxf = s->priv_data;
1109 22 AVIOContext *pb = s->pb;
1110 const uint8_t *ul;
1111 int i;
1112
1113 22 mxf_write_metadata_key(pb, 0x014400);
1114 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1115 22 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1116
1117 22 mxf_write_local_tag(s, 16, 0x3C0A);
1118 22 mxf_write_uuid(pb, MultipleDescriptor, 0);
1119 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1120
1121 // write sample rate
1122 22 mxf_write_local_tag(s, 8, 0x3001);
1123 22 avio_wb32(pb, mxf->time_base.den);
1124 22 avio_wb32(pb, mxf->time_base.num);
1125
1126 // write essence container ul
1127 22 mxf_write_local_tag(s, 16, 0x3004);
1128
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 22 if (mxf->essence_container_count > 1)
1129 20 ul = multiple_desc_ul;
1130 else {
1131 2 MXFStreamContext *sc = s->streams[0]->priv_data;
1132 2 ul = *sc->container_ul;
1133 }
1134 22 avio_write(pb, ul, 16);
1135
1136 // write sub descriptor refs
1137 22 mxf_write_local_tag(s, s->nb_streams * 16 + 8, 0x3F01);
1138 22 mxf_write_refs_count(pb, s->nb_streams);
1139
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 68 for (i = 0; i < s->nb_streams; i++)
1140 46 mxf_write_uuid(pb, SubDescriptor, i);
1141 22 }
1142
1143 58 static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
1144 {
1145 58 MXFContext *mxf = s->priv_data;
1146 58 MXFStreamContext *sc = st->priv_data;
1147 58 AVIOContext *pb = s->pb;
1148 int64_t pos;
1149
1150 58 avio_write(pb, key, 16);
1151 58 klv_encode_ber4_length(pb, 0);
1152 58 pos = avio_tell(pb);
1153
1154 58 mxf_write_local_tag(s, 16, 0x3C0A);
1155 58 mxf_write_uuid(pb, SubDescriptor, st->index);
1156
1157 58 mxf_write_local_tag(s, 4, 0x3006);
1158 58 avio_wb32(pb, st->index+2);
1159
1160 58 mxf_write_local_tag(s, 8, 0x3001);
1161
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 58 if (IS_D10(s)) {
1162 6 avio_wb32(pb, mxf->time_base.den);
1163 6 avio_wb32(pb, mxf->time_base.num);
1164 } else {
1165
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 52 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1166
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 32 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1167 24 avio_wb32(pb, st->codecpar->sample_rate);
1168 24 avio_wb32(pb, 1);
1169 } else {
1170 28 avio_wb32(pb, mxf->time_base.den);
1171 28 avio_wb32(pb, mxf->time_base.num);
1172 }
1173 }
1174
1175 58 mxf_write_local_tag(s, 16, 0x3004);
1176 58 avio_write(pb, *sc->container_ul, 16);
1177
1178 58 return pos;
1179 }
1180
1181 static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 };
1182 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1183 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1184 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1185 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1186 static const UID mxf_rgba_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x29,0x00 };
1187 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1188
1189 static const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 };
1190 static const UID mxf_ffv1_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x81,0x03 };
1191 static const UID mxf_jpeg2000_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x5A,0x00};
1192
1193 16 static inline uint16_t rescale_mastering_chroma(AVRational q)
1194 {
1195 16 return av_clip_uint16(av_rescale(q.num, FF_MXF_MASTERING_CHROMA_DEN, q.den));
1196 }
1197
1198 4 static inline uint32_t rescale_mastering_luma(AVRational q)
1199 {
1200 4 return av_rescale(q.num, FF_MXF_MASTERING_LUMA_DEN, q.den);
1201 }
1202
1203 32 static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
1204 {
1205 32 MXFStreamContext *sc = st->priv_data;
1206 32 AVIOContext *pb = s->pb;
1207 32 int stored_width = st->codecpar->width;
1208 32 int stored_height = st->codecpar->height;
1209 int display_width;
1210 int display_height;
1211 int f1, f2;
1212 const MXFCodecUL *color_primaries_ul;
1213 const MXFCodecUL *color_trc_ul;
1214 const MXFCodecUL *color_space_ul;
1215 32 int64_t pos = mxf_write_generic_desc(s, st, key);
1216 const AVPacketSideData *side_data;
1217
1218 32 color_primaries_ul = mxf_get_codec_ul_by_id(ff_mxf_color_primaries_uls, st->codecpar->color_primaries);
1219 32 color_trc_ul = mxf_get_codec_ul_by_id(ff_mxf_color_trc_uls, st->codecpar->color_trc);
1220 32 color_space_ul = mxf_get_codec_ul_by_id(ff_mxf_color_space_uls, st->codecpar->color_space);
1221
1222
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 32 if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
1223
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 6 if (st->codecpar->height == 1080)
1224 2 stored_width = 1920;
1225
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 4 else if (st->codecpar->height == 720)
1226 ✗ stored_width = 1280;
1227 }
1228 32 display_width = stored_width;
1229
1230
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 32 switch (st->codecpar->codec_id) {
1231 20 case AV_CODEC_ID_MPEG2VIDEO:
1232 case AV_CODEC_ID_H264:
1233 //Based on 16x16 macroblocks
1234 20 stored_width = (stored_width+15)/16*16;
1235 20 stored_height = (stored_height+15)/16*16;
1236 20 break;
1237 12 default:
1238 12 break;
1239 }
1240
1241 //Stored width
1242 32 mxf_write_local_tag(s, 4, 0x3203);
1243 32 avio_wb32(pb, stored_width);
1244
1245 //Stored height
1246 32 mxf_write_local_tag(s, 4, 0x3202);
1247 32 avio_wb32(pb, stored_height>>sc->interlaced);
1248
1249
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 32 if (IS_D10(s)) {
1250 //Stored F2 Offset
1251 4 mxf_write_local_tag(s, 4, 0x3216);
1252 4 avio_wb32(pb, 0);
1253
1254 //Image Start Offset
1255 4 mxf_write_local_tag(s, 4, 0x3213);
1256 4 avio_wb32(pb, 0);
1257
1258 //Image End Offset
1259 4 mxf_write_local_tag(s, 4, 0x3214);
1260 4 avio_wb32(pb, 0);
1261 }
1262
1263 //Sampled width
1264 32 mxf_write_local_tag(s, 4, 0x3205);
1265 32 avio_wb32(pb, display_width);
1266
1267 //Samples height
1268 32 mxf_write_local_tag(s, 4, 0x3204);
1269 32 avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1270
1271 //Sampled X Offset
1272 32 mxf_write_local_tag(s, 4, 0x3206);
1273 32 avio_wb32(pb, 0);
1274
1275 //Sampled Y Offset
1276 32 mxf_write_local_tag(s, 4, 0x3207);
1277 32 avio_wb32(pb, 0);
1278
1279 //Display width
1280 32 mxf_write_local_tag(s, 4, 0x3209);
1281 32 avio_wb32(pb, display_width);
1282
1283
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 32 if (st->codecpar->height == 608) // PAL + VBI
1284 8 display_height = 576;
1285
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 24 else if (st->codecpar->height == 512) // NTSC + VBI
1286 ✗ display_height = 486;
1287 else
1288 24 display_height = st->codecpar->height;
1289
1290 //Display height
1291 32 mxf_write_local_tag(s, 4, 0x3208);
1292 32 avio_wb32(pb, display_height>>sc->interlaced);
1293
1294 // display X offset
1295 32 mxf_write_local_tag(s, 4, 0x320A);
1296 32 avio_wb32(pb, 0);
1297
1298 // display Y offset
1299 32 mxf_write_local_tag(s, 4, 0x320B);
1300 32 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1301
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 32 if (sc->interlaced) {
1303 //Display F2 Offset
1304 14 mxf_write_local_tag(s, 4, 0x3217);
1305 14 avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1306 }
1307
1308
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 32 if (key != mxf_rgba_descriptor_key) {
1309 // component depth
1310 32 mxf_write_local_tag(s, 4, 0x3301);
1311 32 avio_wb32(pb, sc->component_depth);
1312
1313 // horizontal subsampling
1314 32 mxf_write_local_tag(s, 4, 0x3302);
1315 32 avio_wb32(pb, sc->h_chroma_sub_sample);
1316
1317 // vertical subsampling
1318 32 mxf_write_local_tag(s, 4, 0x3308);
1319 32 avio_wb32(pb, sc->v_chroma_sub_sample);
1320
1321 // color siting
1322 32 mxf_write_local_tag(s, 1, 0x3303);
1323 32 avio_w8(pb, sc->color_siting);
1324
1325 // Padding Bits
1326 32 mxf_write_local_tag(s, 2, 0x3307);
1327 32 avio_wb16(pb, 0);
1328
1329
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 32 if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) {
1330 32 int black = 0,
1331 32 white = (1<<sc->component_depth) - 1,
1332 32 color = (1<<sc->component_depth);
1333
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 32 if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1334 32 black = 1 << (sc->component_depth - 4);
1335 32 white = 235 << (sc->component_depth - 8);
1336 32 color = (14 << (sc->component_depth - 4)) + 1;
1337 }
1338 32 mxf_write_local_tag(s, 4, 0x3304);
1339 32 avio_wb32(pb, black);
1340 32 mxf_write_local_tag(s, 4, 0x3305);
1341 32 avio_wb32(pb, white);
1342 32 mxf_write_local_tag(s, 4, 0x3306);
1343 32 avio_wb32(pb, color);
1344 }
1345 }
1346
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 32 if (sc->signal_standard) {
1348 4 mxf_write_local_tag(s, 1, 0x3215);
1349 4 avio_w8(pb, sc->signal_standard);
1350 }
1351
1352 // frame layout
1353 32 mxf_write_local_tag(s, 1, 0x320C);
1354 32 avio_w8(pb, sc->interlaced);
1355
1356 // video line map
1357
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 32 switch (st->codecpar->height) {
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 8 case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1359 8 case 608: f1 = 7; f2 = 320; break;
1360 ✗ case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1361 ✗ case 512: f1 = 7; f2 = 270; break;
1362 4 case 720: f1 = 26; f2 = 0; break; // progressive
1363 4 case 1080: f1 = 21; f2 = 584; break;
1364 8 default: f1 = 0; f2 = 0; break;
1365 }
1366
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 32 if (!sc->interlaced && f2) {
1368 6 f2 = 0;
1369 6 f1 *= 2;
1370 }
1371
1372
1373 32 mxf_write_local_tag(s, 16, 0x320D);
1374 32 avio_wb32(pb, 2);
1375 32 avio_wb32(pb, 4);
1376 32 avio_wb32(pb, f1);
1377 32 avio_wb32(pb, f2);
1378
1379 32 mxf_write_local_tag(s, 8, 0x320E);
1380 32 avio_wb32(pb, sc->aspect_ratio.num);
1381 32 avio_wb32(pb, sc->aspect_ratio.den);
1382
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 32 if (color_primaries_ul->uid[0]) {
1384 2 mxf_write_local_tag(s, 16, 0x3219);
1385 2 avio_write(pb, color_primaries_ul->uid, 16);
1386 };
1387
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 32 if (color_trc_ul->uid[0]) {
1389 10 mxf_write_local_tag(s, 16, 0x3210);
1390 10 avio_write(pb, color_trc_ul->uid, 16);
1391 };
1392
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 32 if (color_space_ul->uid[0]) {
1394 2 mxf_write_local_tag(s, 16, 0x321A);
1395 2 avio_write(pb, color_space_ul->uid, 16);
1396 };
1397
1398 32 mxf_write_local_tag(s, 16, 0x3201);
1399 32 avio_write(pb, *sc->codec_ul, 16);
1400
1401 // Mastering Display metadata
1402 32 side_data = av_packet_side_data_get(st->codecpar->coded_side_data,
1403 32 st->codecpar->nb_coded_side_data,
1404 AV_PKT_DATA_MASTERING_DISPLAY_METADATA);
1405
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 32 if (side_data) {
1406 2 const AVMasteringDisplayMetadata *metadata = (const AVMasteringDisplayMetadata*)side_data->data;
1407
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 2 if (metadata->has_primaries) {
1408 2 mxf_write_local_tag(s, 12, 0x8301);
1409 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[0][0]));
1410 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[0][1]));
1411 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[1][0]));
1412 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[1][1]));
1413 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[2][0]));
1414 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[2][1]));
1415 2 mxf_write_local_tag(s, 4, 0x8302);
1416 2 avio_wb16(pb, rescale_mastering_chroma(metadata->white_point[0]));
1417 2 avio_wb16(pb, rescale_mastering_chroma(metadata->white_point[1]));
1418 } else {
1419 ✗ av_log(NULL, AV_LOG_VERBOSE, "Not writing mastering display primaries. Missing data.\n");
1420 }
1421
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 2 if (metadata->has_luminance) {
1422 2 mxf_write_local_tag(s, 4, 0x8303);
1423 2 avio_wb32(pb, rescale_mastering_luma(metadata->max_luminance));
1424 2 mxf_write_local_tag(s, 4, 0x8304);
1425 2 avio_wb32(pb, rescale_mastering_luma(metadata->min_luminance));
1426 } else {
1427 ✗ av_log(NULL, AV_LOG_VERBOSE, "Not writing mastering display luminances. Missing data.\n");
1428 }
1429 }
1430
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 32 if (sc->interlaced && sc->field_dominance) {
1432 8 mxf_write_local_tag(s, 1, 0x3212);
1433 8 avio_w8(pb, sc->field_dominance);
1434 }
1435
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 32 if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
1437 // write avc sub descriptor ref
1438 ✗ mxf_write_local_tag(s, 8 + 16, 0x8100);
1439 ✗ mxf_write_refs_count(pb, 1);
1440 ✗ mxf_write_uuid(pb, AVCSubDescriptor, 0);
1441 }
1442
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 32 if (st->codecpar->codec_id == AV_CODEC_ID_FFV1) {
1444 // write ffv1 sub descriptor ref
1445 2 mxf_write_local_tag(s, 8 + 16, 0x8100);
1446 2 mxf_write_refs_count(pb, 1);
1447 2 mxf_write_uuid(pb, FFV1SubDescriptor, 0);
1448 }
1449
1450 32 return pos;
1451 }
1452
1453 82 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1454 {
1455 82 int64_t cur_pos = avio_tell(pb);
1456 82 int size = cur_pos - pos;
1457 82 avio_seek(pb, pos - 4, SEEK_SET);
1458 82 klv_encode_ber4_length(pb, size);
1459 82 avio_seek(pb, cur_pos, SEEK_SET);
1460 82 }
1461
1462 ✗ static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st)
1463 {
1464 ✗ AVIOContext *pb = s->pb;
1465 int64_t pos;
1466
1467 ✗ avio_write(pb, mxf_avc_subdescriptor_key, 16);
1468 ✗ klv_encode_ber4_length(pb, 0);
1469 ✗ pos = avio_tell(pb);
1470
1471 ✗ mxf_write_local_tag(s, 16, 0x3C0A);
1472 ✗ mxf_write_uuid(pb, AVCSubDescriptor, 0);
1473
1474 ✗ mxf_write_local_tag(s, 1, 0x8200);
1475 ✗ avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown
1476
1477 ✗ mxf_write_local_tag(s, 1, 0x8201);
1478 ✗ avio_w8(pb, st->codecpar->profile); // AVC Profile
1479
1480 ✗ mxf_write_local_tag(s, 1, 0x8202);
1481 ✗ avio_w8(pb, st->codecpar->level); // AVC Level
1482
1483 ✗ mxf_update_klv_size(s->pb, pos);
1484 ✗ }
1485
1486 ✗ static void mxf_write_jpeg2000_subdesc(AVFormatContext *s, AVStream *st)
1487 {
1488 ✗ MXFStreamContext *sc = st->priv_data;
1489 ✗ AVIOContext *pb = s->pb;
1490 int64_t pos;
1491 ✗ const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
1492
1493 ✗ if (!pix_desc) {
1494 ✗ av_log(s, AV_LOG_ERROR, "Pixel format not set - not writing JPEG2000SubDescriptor\n");
1495 ✗ return;
1496 }
1497
1498 /* JPEG2000 subdescriptor key */
1499 ✗ avio_write(pb, mxf_jpeg2000_subdescriptor_key, 16);
1500 ✗ klv_encode_ber4_length(pb, 0);
1501 ✗ pos = avio_tell(pb);
1502
1503 ✗ mxf_write_local_tag(s, 16, 0x3C0A);
1504 ✗ mxf_write_uuid(pb, JPEG2000SubDescriptor, 0);
1505
1506 /* Value defining the decoder capabilities (rsiz) */
1507 ✗ mxf_write_local_tag(s, 2, 0x8401);
1508 ✗ avio_wb16(pb, sc->j2k_info.j2k_rsiz);
1509 /* Width of the JPEG2000 reference grid (Xsiz) */
1510 ✗ mxf_write_local_tag(s, 4, 0x8402);
1511 ✗ avio_wb32(pb, st->codecpar->width);
1512 /* Height of the JPEG2000 reference grid (Ysiz) */
1513 ✗ mxf_write_local_tag(s, 4, 0x8403);
1514 ✗ avio_wb32(pb, st->codecpar->height);
1515 /* Horizontal offset from the reference grid origin to the left side of the image area (X0siz) */
1516 ✗ mxf_write_local_tag(s, 4, 0x8404);
1517 ✗ avio_wb32(pb, sc->j2k_info.j2k_x0siz);
1518 /* Vertical offset from the reference grid origin to the left side of the image area (Y0siz) */
1519 ✗ mxf_write_local_tag(s, 4, 0x8405);
1520 ✗ avio_wb32(pb, sc->j2k_info.j2k_y0siz);
1521 /* Width of one reference tile with respect to the reference grid (XTsiz) */
1522 ✗ mxf_write_local_tag(s, 4, 0x8406);
1523 ✗ avio_wb32(pb, sc->j2k_info.j2k_xtsiz);
1524 /* Height of one reference tile with respect to the reference grid (YTsiz) */
1525 ✗ mxf_write_local_tag(s, 4, 0x8407);
1526 ✗ avio_wb32(pb, sc->j2k_info.j2k_ytsiz);
1527 /* Horizontal offset from the origin of the reference grid to the left side of the first tile (XT0siz) */
1528 ✗ mxf_write_local_tag(s, 4, 0x8408);
1529 ✗ avio_wb32(pb, sc->j2k_info.j2k_xt0siz);
1530 /* Vertical offset from the origin of the reference grid to the left side of the first tile (YT0siz) */
1531 ✗ mxf_write_local_tag(s, 4, 0x8409);
1532 ✗ avio_wb32(pb, sc->j2k_info.j2k_yt0siz);
1533 /* Image components number (Csiz) */
1534 ✗ mxf_write_local_tag(s, 2, 0x840A);
1535 ✗ avio_wb16(pb, pix_desc->nb_components);
1536 /* Array of picture components where each component comprises 3 bytes named Ssiz(i) (Pixel bitdepth - 1),
1537 XRSiz(i) (Horizontal sampling), YRSiz(i) (Vertical sampling). The array of 3-byte groups is preceded
1538 by the array header comprising a 4-byte value of the number of components followed by a 4-byte
1539 value of 3. */
1540 ✗ mxf_write_local_tag(s, 8 + 3*pix_desc->nb_components, 0x840B);
1541 ✗ avio_wb32(pb, pix_desc->nb_components);
1542 ✗ avio_wb32(pb, 3);
1543 ✗ avio_write(pb, sc->j2k_info.j2k_comp_desc, 3*pix_desc->nb_components);
1544
1545 ✗ mxf_update_klv_size(pb, pos);
1546 }
1547
1548 14 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1549 {
1550 14 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1551 14 mxf_update_klv_size(s->pb, pos);
1552
1553
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 14 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
1554 ✗ mxf_write_avc_subdesc(s, st);
1555 }
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 14 if (st->codecpar->codec_id == AV_CODEC_ID_JPEG2000) {
1557 ✗ mxf_write_jpeg2000_subdesc(s, st);
1558 }
1559 14 }
1560
1561 ✗ static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st)
1562 {
1563 ✗ MXFStreamContext *sc = st->priv_data;
1564 ✗ if (sc->avc_intra) {
1565 ✗ mxf_write_mpegvideo_desc(s, st);
1566 } else {
1567 ✗ int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1568 ✗ mxf_update_klv_size(s->pb, pos);
1569 ✗ mxf_write_avc_subdesc(s, st);
1570 }
1571 ✗ }
1572
1573 2 static void mxf_write_ffv1_subdesc(AVFormatContext *s, AVStream *st)
1574 {
1575 2 AVIOContext *pb = s->pb;
1576 2 MXFStreamContext *sc = st->priv_data;
1577 int64_t pos;
1578
1579 2 avio_write(pb, mxf_ffv1_subdescriptor_key, 16);
1580 2 klv_encode_ber4_length(pb, 0);
1581 2 pos = avio_tell(pb);
1582
1583 2 mxf_write_local_tag(s, 16, 0x3C0A);
1584 2 mxf_write_uuid(pb, FFV1SubDescriptor, 0);
1585
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 2 if (st->codecpar->extradata_size) {
1587 2 mxf_write_local_tag(s, st->codecpar->extradata_size, 0xDFDB);
1588 2 avio_write(pb, st->codecpar->extradata, st->codecpar->extradata_size); // FFV1InitializationMetadata
1589 }
1590
1591 2 mxf_write_local_tag(s, 2, 0xDFDA);
1592 2 avio_wb16(pb, (*sc->codec_ul)[14]); // FFV1Version
1593
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 2 if (st->codecpar->extradata_size) {
1595 2 mxf_write_local_tag(s, 2, 0xDFD9);
1596 2 avio_wb16(pb, sc->micro_version); // FFV1MicroVersion
1597 }
1598
1599 2 mxf_update_klv_size(s->pb, pos);
1600 2 }
1601
1602 2 static void mxf_write_ffv1_desc(AVFormatContext *s, AVStream *st)
1603 {
1604 int is_rgb, pos;
1605 2 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(st->codecpar->format);
1606
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 2 av_assert0(desc);
1607 2 is_rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
1608
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 2 pos = mxf_write_cdci_common(s, st, is_rgb ? mxf_rgba_descriptor_key : mxf_cdci_descriptor_key);
1610 2 mxf_update_klv_size(s->pb, pos);
1611 2 mxf_write_ffv1_subdesc(s, st);
1612 2 }
1613
1614 ✗ static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st)
1615 {
1616 ✗ int64_t pos = mxf_write_generic_desc(s, st, mxf_s436m_anc_descriptor_key);
1617 ✗ mxf_update_klv_size(s->pb, pos);
1618 ✗ }
1619
1620 16 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1621 {
1622 16 AVIOContext *pb = s->pb;
1623 16 MXFStreamContext *sc = st->priv_data;
1624 16 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1625 16 int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key);
1626
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 16 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1628 // bit rate
1629 16 mxf_write_local_tag(s, 4, 0x8000);
1630 16 avio_wb32(pb, sc->video_bit_rate);
1631
1632 // profile and level
1633 16 mxf_write_local_tag(s, 1, 0x8007);
1634
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 16 if (!st->codecpar->profile)
1635 8 profile_and_level |= 0x80; // escape bit
1636 16 avio_w8(pb, profile_and_level);
1637
1638 // low delay
1639 16 mxf_write_local_tag(s, 1, 0x8003);
1640 16 avio_w8(pb, sc->low_delay);
1641
1642 // closed gop
1643 16 mxf_write_local_tag(s, 1, 0x8004);
1644 16 avio_w8(pb, sc->seq_closed_gop);
1645
1646 // max gop
1647 16 mxf_write_local_tag(s, 2, 0x8006);
1648 16 avio_wb16(pb, sc->max_gop);
1649
1650 // b picture count
1651 16 mxf_write_local_tag(s, 2, 0x8008);
1652 16 avio_wb16(pb, sc->b_picture_count);
1653 }
1654
1655 16 mxf_update_klv_size(pb, pos);
1656 16 }
1657
1658 26 static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
1659 {
1660 26 AVIOContext *pb = s->pb;
1661 26 MXFContext *mxf = s->priv_data;
1662 26 int show_warnings = !mxf->footer_partition_offset;
1663 26 int64_t pos = mxf_write_generic_desc(s, st, key);
1664
1665
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 26 if (IS_OPATOM(s)) {
1666 2 mxf_write_local_tag(s, 8, 0x3002);
1667 2 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1668 }
1669
1670 // audio locked
1671 26 mxf_write_local_tag(s, 1, 0x3D02);
1672 26 avio_w8(pb, 1);
1673
1674 // write audio sampling rate
1675 26 mxf_write_local_tag(s, 8, 0x3D03);
1676 26 avio_wb32(pb, st->codecpar->sample_rate);
1677 26 avio_wb32(pb, 1);
1678
1679
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 26 if (IS_D10(s)) {
1680 2 mxf_write_local_tag(s, 1, 0x3D04);
1681 2 avio_w8(pb, 0);
1682 }
1683
1684 26 mxf_write_local_tag(s, 4, 0x3D07);
1685
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 26 if (mxf->channel_count == -1) {
1686
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 2 if (show_warnings && IS_D10(s) &&
1687
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1688
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 1 (st->codecpar->ch_layout.nb_channels != 8))
1689 1 av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n");
1690 2 avio_wb32(pb, st->codecpar->ch_layout.nb_channels);
1691
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 24 } else if (IS_D10(s)) {
1692 ✗ if (show_warnings && (mxf->channel_count < st->codecpar->ch_layout.nb_channels))
1693 ✗ av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1694 ✗ if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1695 ✗ av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n");
1696 ✗ avio_wb32(pb, mxf->channel_count);
1697 } else {
1698 24 avio_wb32(pb, st->codecpar->ch_layout.nb_channels);
1699 }
1700
1701 26 mxf_write_local_tag(s, 4, 0x3D01);
1702 26 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1703
1704 26 return pos;
1705 }
1706
1707 24 static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
1708 {
1709 24 AVIOContext *pb = s->pb;
1710 24 int64_t pos = mxf_write_generic_sound_common(s, st, key);
1711
1712 24 mxf_write_local_tag(s, 2, 0x3D0A);
1713 24 avio_wb16(pb, st->codecpar->block_align);
1714
1715 // avg bytes per sec
1716 24 mxf_write_local_tag(s, 4, 0x3D09);
1717 24 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1718
1719 24 return pos;
1720 }
1721
1722 2 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1723 {
1724 2 int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key);
1725 2 mxf_update_klv_size(s->pb, pos);
1726 2 }
1727
1728 22 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1729 {
1730 22 int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key);
1731 22 mxf_update_klv_size(s->pb, pos);
1732 22 }
1733
1734 2 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1735 {
1736 2 int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key);
1737 2 mxf_update_klv_size(s->pb, pos);
1738 2 }
1739
1740 static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
1741
1742 6 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1743 {
1744 6 MXFContext *mxf = s->priv_data;
1745 6 AVIOContext *pb = s->pb;
1746 6 int name_size = mxf_utf16_local_tag_length(name);
1747 6 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1748
1749
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 6 if (!name_size || indirect_value_size == 13)
1750 ✗ return 1;
1751
1752 6 mxf_write_metadata_key(pb, 0x013f00);
1753 6 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1754
1755 // write instance UID
1756 6 mxf_write_local_tag(s, 16, 0x3C0A);
1757 6 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1758
1759 // write name
1760 6 mxf_write_local_tag_utf16(s, 0x5001, name); // Name
1761
1762 // write indirect value
1763 6 mxf_write_local_tag(s, indirect_value_size, 0x5003);
1764 6 avio_write(pb, mxf_indirect_value_utf16le, 17);
1765 6 avio_put_str16le(pb, value);
1766
1767 6 mxf->tagged_value_count++;
1768 6 return 0;
1769 }
1770
1771 6 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1772 {
1773 6 MXFContext *mxf = s->priv_data;
1774 6 AVDictionaryEntry *t = NULL;
1775 6 int count = 0;
1776
1777
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 12 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1778
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 6 if (mxf->tagged_value_count >= UINT16_MAX) {
1779 ✗ av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1780 ✗ return count;
1781 }
1782
1783
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 6 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1784 6 count++;
1785 }
1786 6 return count;
1787 }
1788
1789 70 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1790 {
1791 70 MXFContext *mxf = s->priv_data;
1792 70 AVIOContext *pb = s->pb;
1793 70 int i, track_count = s->nb_streams+1;
1794 70 int name_size = mxf_utf16_local_tag_length(package->name);
1795 70 int user_comment_count = 0;
1796
1797
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 70 if (package->type == MaterialPackage) {
1798
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 34 if (mxf->store_user_comments)
1799 6 user_comment_count = mxf_write_user_comments(s, s->metadata);
1800 34 mxf_write_metadata_key(pb, 0x013600);
1801 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1802 34 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1803 } else {
1804 36 mxf_write_metadata_key(pb, 0x013700);
1805 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1806 36 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1807 }
1808
1809 // write uid
1810 70 mxf_write_local_tag(s, 16, 0x3C0A);
1811 70 mxf_write_uuid(pb, package->type, package->instance);
1812 70 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1813 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1814
1815 // write package umid
1816 70 mxf_write_local_tag(s, 32, 0x4401);
1817 70 mxf_write_umid(s, package->instance);
1818 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1819
1820 // package name
1821
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 70 if (name_size)
1822 2 mxf_write_local_tag_utf16(s, 0x4402, package->name);
1823
1824 // package creation date
1825 70 mxf_write_local_tag(s, 8, 0x4405);
1826 70 avio_wb64(pb, mxf->timestamp);
1827
1828 // package modified date
1829 70 mxf_write_local_tag(s, 8, 0x4404);
1830 70 avio_wb64(pb, mxf->timestamp);
1831
1832 // write track refs
1833 70 mxf_write_local_tag(s, track_count*16 + 8, 0x4403);
1834 70 mxf_write_refs_count(pb, track_count);
1835 // these are the uuids of the tracks the will be written in mxf_write_track
1836
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 260 for (i = 0; i < track_count; i++)
1837 190 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1838
1839 // write user comment refs
1840
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 70 if (mxf->store_user_comments) {
1841 12 mxf_write_local_tag(s, user_comment_count*16 + 8, 0x4406);
1842 12 mxf_write_refs_count(pb, user_comment_count);
1843
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 18 for (i = 0; i < user_comment_count; i++)
1844 6 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1845 }
1846
1847 // write multiple descriptor reference
1848
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 70 if (package->type == SourcePackage && package->instance == 1) {
1849 34 mxf_write_local_tag(s, 16, 0x4701);
1850
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 34 if (s->nb_streams > 1) {
1851 22 mxf_write_uuid(pb, MultipleDescriptor, 0);
1852 22 mxf_write_multi_descriptor(s);
1853 } else
1854 12 mxf_write_uuid(pb, SubDescriptor, 0);
1855
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 36 } else if (package->type == SourcePackage && package->instance == 2) {
1856 2 mxf_write_local_tag(s, 16, 0x4701);
1857 2 mxf_write_uuid(pb, TapeDescriptor, 0);
1858 2 mxf_write_tape_descriptor(s);
1859 }
1860
1861 /*
1862 * for every 1 track in a package there is 1 sequence and 1 component.
1863 * all 3 of these elements share the same instance number for generating
1864 * there instance uuids. mxf->track_instance_count stores this value.
1865 * mxf->track_instance_count is incremented after a group of all 3 of
1866 * these elements are written.
1867 */
1868
1869 // write timecode track
1870 70 mxf_write_track(s, mxf->timecode_track, package);
1871 70 mxf_write_sequence(s, mxf->timecode_track, package);
1872 70 mxf_write_timecode_component(s, mxf->timecode_track, package);
1873 70 mxf->track_instance_count++;
1874
1875
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 190 for (i = 0; i < s->nb_streams; i++) {
1876 120 AVStream *st = s->streams[i];
1877 120 mxf_write_track(s, st, package);
1878 120 mxf_write_sequence(s, st, package);
1879 120 mxf_write_structural_component(s, st, package);
1880 120 mxf->track_instance_count++;
1881
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 120 if (package->type == SourcePackage && package->instance == 1) {
1883 58 MXFStreamContext *sc = st->priv_data;
1884 58 mxf_essence_container_uls[sc->index].write_desc(s, st);
1885 }
1886 }
1887 70 }
1888
1889 34 static int mxf_write_essence_container_data(AVFormatContext *s)
1890 {
1891 34 AVIOContext *pb = s->pb;
1892
1893 34 mxf_write_metadata_key(pb, 0x012300);
1894 34 klv_encode_ber_length(pb, 72);
1895
1896 34 mxf_write_local_tag(s, 16, 0x3C0A); // Instance UID
1897 34 mxf_write_uuid(pb, EssenceContainerData, 0);
1898
1899 34 mxf_write_local_tag(s, 32, 0x2701); // Linked Package UID
1900 34 mxf_write_umid(s, 1);
1901
1902 34 mxf_write_local_tag(s, 4, 0x3F07); // BodySID
1903 34 avio_wb32(pb, 1);
1904
1905 34 mxf_write_local_tag(s, 4, 0x3F06); // IndexSID
1906 34 avio_wb32(pb, 2);
1907
1908 34 return 0;
1909 }
1910
1911 34 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1912 {
1913 34 MXFContext *mxf = s->priv_data;
1914 34 AVDictionaryEntry *entry = NULL;
1915 34 AVStream *st = NULL;
1916 int i;
1917 34 MXFPackage packages[3] = {{0}};
1918 34 int package_count = 2;
1919 34 packages[0].type = MaterialPackage;
1920 34 packages[1].type = SourcePackage;
1921 34 packages[1].instance = 1;
1922 34 packages[0].ref = &packages[1];
1923
1924
1925
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 34 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1926 ✗ packages[0].name = entry->value;
1927
1928
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 34 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1929 ✗ packages[1].name = entry->value;
1930 } else {
1931 /* check if any of the streams contain a file_package_name */
1932
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 92 for (i = 0; i < s->nb_streams; i++) {
1933 58 st = s->streams[i];
1934
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 58 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1935 ✗ packages[1].name = entry->value;
1936 ✗ break;
1937 }
1938 }
1939 }
1940
1941 34 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1942
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 34 if (entry) {
1943 2 packages[2].name = entry->value;
1944 2 packages[2].type = SourcePackage;
1945 2 packages[2].instance = 2;
1946 2 packages[1].ref = &packages[2];
1947 2 package_count = 3;
1948 }
1949
1950 34 mxf_write_preface(s);
1951 34 mxf_write_identification(s);
1952 34 mxf_write_content_storage(s, packages, package_count);
1953 34 mxf->track_instance_count = 0;
1954
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 104 for (i = 0; i < package_count; i++)
1955 70 mxf_write_package(s, &packages[i]);
1956 34 mxf_write_essence_container_data(s);
1957 34 return 0;
1958 }
1959
1960 1416 static unsigned klv_fill_size(uint64_t size)
1961 {
1962 1416 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1963
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 1416 if (pad < 20) // smallest fill item possible
1964 5 return pad + KAG_SIZE;
1965 else
1966 1411 return pad & (KAG_SIZE-1);
1967 }
1968
1969 31 static void mxf_write_index_table_segment(AVFormatContext *s)
1970 {
1971 31 MXFContext *mxf = s->priv_data;
1972 31 AVIOContext *pb = s->pb;
1973 31 int i, j, temporal_reordering = 0;
1974 31 int key_index = mxf->last_key_index;
1975 31 int prev_non_b_picture = 0;
1976 31 int audio_frame_size = 0;
1977 int64_t pos;
1978
1979 31 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1980
1981
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 31 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1982 9 return;
1983
1984 22 avio_write(pb, index_table_segment_key, 16);
1985
1986 22 klv_encode_ber4_length(pb, 0);
1987 22 pos = avio_tell(pb);
1988
1989 // instance id
1990 22 mxf_write_local_tag(s, 16, 0x3C0A);
1991 22 mxf_write_uuid(pb, IndexTableSegment, mxf->last_indexed_edit_unit);
1992
1993 // index edit rate
1994 22 mxf_write_local_tag(s, 8, 0x3F0B);
1995 22 avio_wb32(pb, mxf->time_base.den);
1996 22 avio_wb32(pb, mxf->time_base.num);
1997
1998 // index start position
1999 22 mxf_write_local_tag(s, 8, 0x3F0C);
2000 22 avio_wb64(pb, mxf->last_indexed_edit_unit);
2001
2002 // index duration
2003 22 mxf_write_local_tag(s, 8, 0x3F0D);
2004
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 22 if (mxf->edit_unit_byte_count)
2005 12 avio_wb64(pb, 0); // index table covers whole container
2006 else
2007 10 avio_wb64(pb, mxf->edit_units_count);
2008
2009 // edit unit byte count
2010 22 mxf_write_local_tag(s, 4, 0x3F05);
2011 22 avio_wb32(pb, mxf->edit_unit_byte_count);
2012
2013 // index sid
2014 22 mxf_write_local_tag(s, 4, 0x3F06);
2015 22 avio_wb32(pb, 2);
2016
2017 // body sid
2018 22 mxf_write_local_tag(s, 4, 0x3F07);
2019 22 avio_wb32(pb, 1);
2020
2021 // real slice count - 1
2022 22 mxf_write_local_tag(s, 1, 0x3F08);
2023 22 avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
2024
2025 // delta entry array
2026 22 mxf_write_local_tag(s, 8 + (s->nb_streams+1)*6, 0x3F09);
2027 22 avio_wb32(pb, s->nb_streams+1); // num of entries
2028 22 avio_wb32(pb, 6); // size of one entry
2029 // write system item delta entry
2030 22 avio_w8(pb, 0);
2031 22 avio_w8(pb, 0); // slice entry
2032 22 avio_wb32(pb, 0); // element delta
2033 // write each stream delta entry
2034
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 60 for (i = 0; i < s->nb_streams; i++) {
2035 38 AVStream *st = s->streams[i];
2036 38 MXFStreamContext *sc = st->priv_data;
2037 38 avio_w8(pb, sc->temporal_reordering);
2038
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 38 if (sc->temporal_reordering)
2039 3 temporal_reordering = 1;
2040
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 38 if (mxf->edit_unit_byte_count) {
2041 20 avio_w8(pb, 0); // slice number
2042 20 avio_wb32(pb, sc->slice_offset);
2043
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 18 } else if (i == 0) { // video track
2044 10 avio_w8(pb, 0); // slice number
2045 10 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
2046 } else { // audio or data track
2047
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 8 if (!audio_frame_size) {
2048 7 audio_frame_size = sc->frame_size;
2049 7 audio_frame_size += klv_fill_size(audio_frame_size);
2050 }
2051 8 avio_w8(pb, 1);
2052 8 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
2053 }
2054 }
2055
2056
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 22 if (!mxf->edit_unit_byte_count) {
2057 10 MXFStreamContext *sc = s->streams[0]->priv_data;
2058 10 mxf_write_local_tag(s, 8 + mxf->edit_units_count*15, 0x3F0A);
2059 10 avio_wb32(pb, mxf->edit_units_count); // num of entries
2060 10 avio_wb32(pb, 15); // size of one entry
2061
2062
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 151 for (i = 0; i < mxf->edit_units_count; i++) {
2063 141 int temporal_offset = 0;
2064
2065
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 141 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
2066 54 sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
2067 54 mxf->last_key_index = key_index;
2068 54 key_index = i;
2069 }
2070
2071
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 141 if (temporal_reordering) {
2072 80 int pic_num_in_gop = i - key_index;
2073
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 80 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
2074
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 444 for (j = key_index; j < mxf->edit_units_count; j++) {
2075
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 444 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
2076 77 break;
2077 }
2078
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 77 if (j == mxf->edit_units_count)
2079 ✗ av_log(s, AV_LOG_WARNING, "missing frames\n");
2080 77 temporal_offset = j - key_index - pic_num_in_gop;
2081 }
2082 }
2083 141 avio_w8(pb, temporal_offset);
2084
2085
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 141 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
2086 51 sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
2087 51 avio_w8(pb, mxf->last_key_index - i);
2088 } else {
2089 90 avio_w8(pb, key_index - i); // key frame offset
2090
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 90 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
2091 36 mxf->last_key_index = key_index;
2092 90 prev_non_b_picture = i;
2093 }
2094
2095
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 141 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
2096
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 54 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
2097 18 mxf->index_entries[i].flags |= 0x80; // random access
2098 141 avio_w8(pb, mxf->index_entries[i].flags);
2099 // stream offset
2100 141 avio_wb64(pb, mxf->index_entries[i].offset);
2101
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 141 if (s->nb_streams > 1)
2102 111 avio_wb32(pb, mxf->index_entries[i].slice_offset);
2103 else
2104 30 avio_wb32(pb, 0);
2105 }
2106
2107 10 mxf->last_key_index = key_index - mxf->edit_units_count;
2108 10 mxf->last_indexed_edit_unit += mxf->edit_units_count;
2109 10 mxf->edit_units_count = 0;
2110 }
2111
2112 22 mxf_update_klv_size(pb, pos);
2113 }
2114
2115 891 static void mxf_write_klv_fill(AVFormatContext *s)
2116 {
2117 891 unsigned pad = klv_fill_size(avio_tell(s->pb));
2118
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 891 if (pad) {
2119 882 avio_write(s->pb, klv_fill_key, 16);
2120 882 pad -= 16 + 4;
2121 882 klv_encode_ber4_length(s->pb, pad);
2122 882 ffio_fill(s->pb, 0, pad);
2123 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2124 }
2125 891 }
2126
2127 66 static int mxf_write_partition(AVFormatContext *s, int bodysid,
2128 int indexsid,
2129 const uint8_t *key, int write_metadata)
2130 {
2131 66 MXFContext *mxf = s->priv_data;
2132 66 AVIOContext *pb = s->pb;
2133 int64_t header_byte_count_offset;
2134 66 unsigned index_byte_count = 0;
2135 66 uint64_t partition_offset = avio_tell(pb);
2136 int err;
2137
2138
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 66 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
2139 10 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
2140 10 12+mxf->edit_units_count*15;
2141
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 56 else if (mxf->edit_unit_byte_count && indexsid)
2142 12 index_byte_count = 80;
2143
2144
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 66 if (index_byte_count) {
2145 22 index_byte_count += 16 + 4; // add encoded ber4 length
2146 22 index_byte_count += klv_fill_size(index_byte_count);
2147 }
2148
2149
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 66 if (key && !memcmp(key, body_partition_key, 16)) {
2150
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 12 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
2151 sizeof(*mxf->body_partition_offset))) < 0) {
2152 ✗ mxf->body_partitions_count = 0;
2153 ✗ return err;
2154 }
2155 12 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
2156 }
2157
2158 // write klv
2159
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 66 if (key)
2160 63 avio_write(pb, key, 16);
2161 else
2162 3 avio_write(pb, body_partition_key, 16);
2163
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 66 klv_encode_ber4_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
2165
2166 // write partition value
2167 66 avio_wb16(pb, 1); // majorVersion
2168 66 avio_wb16(pb, 3); // minorVersion
2169 66 avio_wb32(pb, KAG_SIZE); // KAGSize
2170
2171 66 avio_wb64(pb, partition_offset); // ThisPartition
2172
2173
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 66 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
2174 ✗ avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
2175
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 66 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
2176 12 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
2177 else
2178 54 avio_wb64(pb, 0);
2179
2180 66 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
2181
2182 // set offset
2183 66 header_byte_count_offset = avio_tell(pb);
2184 66 avio_wb64(pb, 0); // headerByteCount, update later
2185
2186 // indexTable
2187 66 avio_wb64(pb, index_byte_count); // indexByteCount
2188
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 66 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
2189
2190 // BodyOffset
2191
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 66 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && !IS_OPATOM(s))
2192 ✗ avio_wb64(pb, mxf->body_offset);
2193 else
2194 66 avio_wb64(pb, 0);
2195
2196 66 avio_wb32(pb, bodysid); // bodySID
2197
2198 // operational pattern
2199
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 66 if (IS_OPATOM(s))
2200 15 avio_write(pb, opatom_ul, 16);
2201 else
2202 51 avio_write(pb, op1a_ul, 16);
2203
2204 // essence container
2205 66 mxf_write_essence_container_refs(s);
2206
2207
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 66 if (write_metadata) {
2208 // mark the start of the headermetadata and calculate metadata size
2209 int64_t pos, start;
2210 unsigned header_byte_count;
2211
2212 34 mxf_write_klv_fill(s);
2213 34 start = avio_tell(s->pb);
2214 34 mxf_write_primer_pack(s);
2215 34 mxf_write_klv_fill(s);
2216 34 mxf_write_header_metadata_sets(s);
2217 34 pos = avio_tell(s->pb);
2218 34 header_byte_count = pos - start + klv_fill_size(pos);
2219
2220 // update header_byte_count
2221 34 avio_seek(pb, header_byte_count_offset, SEEK_SET);
2222 34 avio_wb64(pb, header_byte_count);
2223 34 avio_seek(pb, pos, SEEK_SET);
2224 }
2225
2226
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 66 if(key)
2227 63 avio_write_marker(pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
2228
2229 66 return 0;
2230 }
2231
2232 static const struct {
2233 int profile;
2234 UID codec_ul;
2235 } mxf_prores_codec_uls[] = {
2236 { AV_PROFILE_PRORES_PROXY, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x01,0x00 } },
2237 { AV_PROFILE_PRORES_LT, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x02,0x00 } },
2238 { AV_PROFILE_PRORES_STANDARD, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 } },
2239 { AV_PROFILE_PRORES_HQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x04,0x00 } },
2240 { AV_PROFILE_PRORES_4444, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x05,0x00 } },
2241 { AV_PROFILE_PRORES_XQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x06,0x00 } },
2242 };
2243
2244 5 static int mxf_parse_prores_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2245 {
2246 5 MXFContext *mxf = s->priv_data;
2247 5 MXFStreamContext *sc = st->priv_data;
2248 int i, profile;
2249
2250
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 5 if (mxf->header_written)
2251 4 return 1;
2252
2253 1 profile = st->codecpar->profile;
2254
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 1 for (i = 0; i < FF_ARRAY_ELEMS(mxf_prores_codec_uls); i++) {
2255
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 1 if (profile == mxf_prores_codec_uls[i].profile) {
2256 1 sc->codec_ul = &mxf_prores_codec_uls[i].codec_ul;
2257 1 break;
2258 }
2259 }
2260
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 1 if (i == FF_ARRAY_ELEMS(mxf_prores_codec_uls))
2261 ✗ return 0;
2262
2263 1 sc->frame_size = pkt->size;
2264
2265 1 return 1;
2266 }
2267
2268 static const struct {
2269 uint16_t cid;
2270 uint8_t interlaced;
2271 UID codec_ul;
2272 } mxf_dnxhd_codec_uls[] = {
2273 { 1235, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH
2274 { 1237, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED
2275 { 1238, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH
2276 { 1241, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH
2277 { 1242, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED
2278 { 1243, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH
2279 { 1244, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR
2280 { 1250, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit
2281 { 1251, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH
2282 { 1252, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED
2283 { 1253, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW
2284 { 1256, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444
2285 { 1258, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR
2286 { 1259, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR
2287 { 1260, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF
2288 { 1270, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444
2289 { 1271, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX
2290 { 1272, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ
2291 { 1273, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ
2292 { 1274, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB
2293 };
2294
2295 25 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2296 {
2297 25 MXFContext *mxf = s->priv_data;
2298 25 MXFStreamContext *sc = st->priv_data;
2299 int i, cid;
2300
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 25 if (mxf->header_written)
2302 24 return 1;
2303
2304
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 1 if (pkt->size < 43)
2305 ✗ return 0;
2306
2307 1 cid = AV_RB32(pkt->data + 0x28);
2308
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 11 for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
2309
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 11 if (cid == mxf_dnxhd_codec_uls[i].cid) {
2310 1 sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
2311 1 sc->interlaced = mxf_dnxhd_codec_uls[i].interlaced;
2312 1 break;
2313 }
2314 }
2315
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 1 if (i == FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls))
2316 ✗ return 0;
2317
2318 1 sc->component_depth = 0;
2319
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 1 switch (pkt->data[0x21] >> 5) {
2320 1 case 1: sc->component_depth = 8; break;
2321 ✗ case 2: sc->component_depth = 10; break;
2322 ✗ case 3: sc->component_depth = 12; break;
2323 }
2324
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 1 if (!sc->component_depth)
2325 ✗ return 0;
2326
2327
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 1 if (cid >= 1270) { // RI raster
2328 ✗ av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2329 ✗ st->codecpar->width, st->codecpar->height,
2330 INT_MAX);
2331 } else {
2332 1 sc->aspect_ratio = (AVRational){ 16, 9 };
2333 }
2334
2335 1 sc->frame_size = pkt->size;
2336
2337 1 return 1;
2338 }
2339
2340 static const struct {
2341 const UID container_ul;
2342 const UID codec_ul;
2343 } mxf_dv_uls[] = {
2344 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 }, // IEC DV25 525/60
2345 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x01,0x00 } },
2346 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 }, // IEC DV25 626/50
2347 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 } },
2348 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, // DV25 525/60
2349 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, },
2350 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, // DV25 625/50
2351 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, },
2352 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, // DV50 525/60
2353 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, },
2354 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, // DV50 625/50
2355 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, },
2356 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, // DV100 1080/60
2357 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, },
2358 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, // DV100 1080/50
2359 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, },
2360 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, // DV100 720/60
2361 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, },
2362 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, // DV100 720/50
2363 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, },
2364 };
2365
2366 75 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2367 {
2368 75 MXFContext *mxf = s->priv_data;
2369 75 MXFStreamContext *sc = st->priv_data;
2370 const uint8_t *vs_pack, *vsc_pack;
2371 int apt, ul_index, stype, pal;
2372
2373
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 75 if (mxf->header_written)
2374 72 return 1;
2375
2376 // Check for minimal frame size
2377
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 3 if (pkt->size < 120000)
2378 ✗ return -1;
2379
2380 3 apt = pkt->data[4] & 0x7;
2381 3 vs_pack = pkt->data + 80*5 + 48;
2382 3 vsc_pack = pkt->data + 80*5 + 53;
2383 3 stype = vs_pack[3] & 0x1f;
2384 3 pal = (vs_pack[3] >> 5) & 0x1;
2385
2386
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 3 if ((vsc_pack[2] & 0x07) == 0x02) {
2387 2 sc->aspect_ratio = (AVRational){ 16, 9 };
2388 } else {
2389 1 sc->aspect_ratio = (AVRational){ 4, 3 };
2390 }
2391
2392 3 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2393 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2394 // and set field dominance accordingly
2395 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2396
2397
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 3 switch (stype) {
2398 ✗ case 0x18: // DV100 720p
2399 ✗ ul_index = 8+pal;
2400 ✗ if (sc->interlaced) {
2401 ✗ av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2402 ✗ sc->interlaced = 0;
2403 }
2404 ✗ break;
2405 1 case 0x14: // DV100 1080i
2406 1 ul_index = 6+pal;
2407 1 break;
2408 1 case 0x04: // DV50
2409 1 ul_index = 4+pal;
2410 1 break;
2411 1 default: // DV25
2412
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 1 if (!apt) { // IEC
2413 1 ul_index = 0+pal;
2414 } else {
2415 ✗ ul_index = 2+pal;
2416 }
2417 }
2418
2419 3 sc->container_ul = &mxf_dv_uls[ul_index].container_ul;
2420 3 sc->codec_ul = &mxf_dv_uls[ul_index].codec_ul;
2421
2422 3 sc->frame_size = pkt->size;
2423
2424 3 return 1;
2425 }
2426
2427 static const struct {
2428 UID uid;
2429 int frame_size;
2430 uint8_t profile;
2431 uint8_t interlaced;
2432 int8_t intra_only; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2433 } mxf_h264_codec_uls[] = {
2434 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline
2435 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2436 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2437 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2438 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10
2439 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422
2440 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444
2441 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra
2442 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/59.94i
2443 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/50i
2444 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/29.97p
2445 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/25p
2446 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/59.94p
2447 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/50p
2448 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra
2449 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/59.94i
2450 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/50i
2451 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/29.97p
2452 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/25p
2453 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/59.94p
2454 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/50p
2455 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra
2456 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2457 };
2458
2459 ✗ static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
2460 AVPacket *pkt, MXFIndexEntry *e)
2461 {
2462 ✗ MXFContext *mxf = s->priv_data;
2463 ✗ MXFStreamContext *sc = st->priv_data;
2464 ✗ H264SPS seq, *const sps = &seq;
2465 GetBitContext gb;
2466 ✗ const uint8_t *buf = pkt->data;
2467 ✗ const uint8_t *buf_end = pkt->data + pkt->size;
2468 const uint8_t *nal_end;
2469 ✗ const UID *codec_ul = NULL;
2470 ✗ uint32_t state = -1;
2471 ✗ int extra_size = 512; // support AVC Intra files without SPS/PPS header
2472 ✗ int i, frame_size, slice_type, has_sps = 0, intra_only = 0, ret;
2473
2474 for (;;) {
2475 ✗ buf = avpriv_find_start_code(buf, buf_end, &state);
2476 ✗ if (buf >= buf_end)
2477 ✗ break;
2478
2479 ✗ switch (state & 0x1f) {
2480 ✗ case H264_NAL_SPS:
2481 ✗ e->flags |= 0x40;
2482
2483 ✗ if (mxf->header_written)
2484 ✗ break;
2485
2486 ✗ nal_end = ff_nal_find_startcode(buf, buf_end);
2487 ✗ ret = ff_avc_decode_sps(sps, buf, nal_end - buf);
2488 ✗ if (ret < 0) {
2489 ✗ av_log(s, AV_LOG_ERROR, "error parsing sps\n");
2490 ✗ return 0;
2491 }
2492 ✗ has_sps = 1;
2493
2494 ✗ sc->aspect_ratio.num = st->codecpar->width * sps->sar.num;
2495 ✗ sc->aspect_ratio.den = st->codecpar->height * sps->sar.den;
2496 ✗ av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2497 ✗ sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024);
2498 ✗ intra_only = (sps->constraint_set_flags >> 3) & 1;
2499 ✗ sc->interlaced = !sps->frame_mbs_only_flag;
2500 ✗ sc->component_depth = sps->bit_depth_luma;
2501
2502 ✗ buf = nal_end;
2503 ✗ break;
2504 ✗ case H264_NAL_PPS:
2505 ✗ if (e->flags & 0x40) { // sequence header present
2506 ✗ e->flags |= 0x80; // random access
2507 ✗ extra_size = 0;
2508 }
2509 ✗ break;
2510 ✗ case H264_NAL_IDR_SLICE:
2511 ✗ e->flags |= 0x04; // IDR Picture
2512 ✗ buf = buf_end;
2513 ✗ break;
2514 ✗ case H264_NAL_SLICE:
2515 ✗ init_get_bits8(&gb, buf, buf_end - buf);
2516 ✗ get_ue_golomb_long(&gb); // skip first_mb_in_slice
2517 ✗ slice_type = get_ue_golomb_31(&gb);
2518 ✗ switch (slice_type % 5) {
2519 ✗ case 0:
2520 ✗ e->flags |= 0x20; // P Picture
2521 ✗ e->flags |= 0x06; // P Picture
2522 ✗ break;
2523 ✗ case 1:
2524 ✗ e->flags |= 0x30; // B Picture
2525 ✗ e->flags |= 0x03; // non-referenced B Picture
2526 ✗ break;
2527 }
2528 ✗ buf = buf_end;
2529 ✗ break;
2530 ✗ default:
2531 ✗ break;
2532 }
2533 }
2534
2535 ✗ if (mxf->header_written)
2536 ✗ return 1;
2537
2538 ✗ if (!has_sps)
2539 ✗ sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2540 ✗ frame_size = pkt->size + extra_size;
2541
2542 ✗ for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) {
2543 ✗ if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2544 ✗ codec_ul = &mxf_h264_codec_uls[i].uid;
2545 ✗ sc->component_depth = 10; // AVC Intra is always 10 Bit
2546 ✗ sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2547 ✗ st->codecpar->profile = mxf_h264_codec_uls[i].profile;
2548 ✗ sc->avc_intra = 1;
2549 ✗ mxf->cbr_index = 1;
2550 ✗ sc->frame_size = pkt->size;
2551 ✗ if (sc->interlaced)
2552 ✗ sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2553 ✗ break;
2554 ✗ } else if (has_sps && mxf_h264_codec_uls[i].frame_size == 0 &&
2555 ✗ mxf_h264_codec_uls[i].profile == sps->profile_idc &&
2556 ✗ (mxf_h264_codec_uls[i].intra_only < 0 ||
2557 ✗ mxf_h264_codec_uls[i].intra_only == intra_only)) {
2558 ✗ codec_ul = &mxf_h264_codec_uls[i].uid;
2559 ✗ st->codecpar->profile = sps->profile_idc;
2560 ✗ st->codecpar->level = sps->level_idc;
2561 // continue to check for avc intra
2562 }
2563 }
2564
2565 ✗ if (!codec_ul) {
2566 ✗ av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2567 ✗ return 0;
2568 }
2569 ✗ sc->codec_ul = codec_ul;
2570
2571 ✗ return 1;
2572 }
2573
2574 2 static inline int get_ffv1_unsigned_symbol(RangeCoder *c, uint8_t *state) {
2575
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 2 if(get_rac(c, state+0))
2576 ✗ return 0;
2577 else{
2578 int i, e;
2579 unsigned a;
2580 2 e= 0;
2581
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 5 while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10
2582 3 e++;
2583
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 3 if (e > 31)
2584 ✗ return AVERROR_INVALIDDATA;
2585 }
2586
2587 2 a= 1;
2588
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 5 for(i=e-1; i>=0; i--){
2589
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 3 a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31
2590 }
2591
2592 2 return a;
2593 }
2594 }
2595 #define FFV1_CONTEXT_SIZE 32
2596 25 static int mxf_parse_ffv1_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2597 {
2598 25 MXFContext *mxf = s->priv_data;
2599 25 MXFStreamContext *sc = st->priv_data;
2600 uint8_t state[FFV1_CONTEXT_SIZE];
2601 RangeCoder c;
2602 unsigned v;
2603
2604 25 sc->frame_size = pkt->size;
2605
2606
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 25 if (mxf->header_written)
2607 24 return 1;
2608
2609 1 memset(state, 128, sizeof(state));
2610
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 1 if (st->codecpar->extradata) {
2611 1 ff_init_range_decoder(&c, st->codecpar->extradata, st->codecpar->extradata_size);
2612 1 ff_build_rac_states(&c, 0.05 * (1LL << 32), 256 - 8);
2613 1 v = get_ffv1_unsigned_symbol(&c, state);
2614
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 1 av_assert0(v >= 2);
2615
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 1 if (v > 4) {
2616 ✗ av_log(s, AV_LOG_ERROR, "unsupported ffv1 version %d\n", v);
2617 ✗ return 0;
2618 }
2619 1 sc->micro_version = get_ffv1_unsigned_symbol(&c, state);
2620 } else {
2621 ✗ uint8_t keystate = 128;
2622 ✗ ff_init_range_decoder(&c, pkt->data, pkt->size);
2623 ✗ ff_build_rac_states(&c, 0.05 * (1LL << 32), 256 - 8);
2624 ✗ get_rac(&c, &keystate); // keyframe
2625 ✗ v = get_ffv1_unsigned_symbol(&c, state);
2626 ✗ av_assert0(v < 2);
2627 }
2628 1 sc->codec_ul = &mxf_ffv1_codec_uls[v];
2629
2630
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 1 if (st->codecpar->field_order > AV_FIELD_PROGRESSIVE) {
2631 ✗ sc->interlaced = 1;
2632 ✗ sc->field_dominance = st->codecpar->field_order == (st->codecpar->field_order == AV_FIELD_TT || st->codecpar->field_order == AV_FIELD_TB) ? 1 : 2;
2633 }
2634 1 sc->aspect_ratio.num = st->codecpar->width * st->codecpar->sample_aspect_ratio.num;
2635 1 sc->aspect_ratio.den = st->codecpar->height * st->codecpar->sample_aspect_ratio.den;
2636 1 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2637 1 sc->aspect_ratio.num, sc->aspect_ratio.den, INT_MAX);
2638
2639 1 return 1;
2640 }
2641
2642 ✗ static int mxf_parse_jpeg2000_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2643 {
2644 ✗ MXFContext *mxf = s->priv_data;
2645 ✗ MXFStreamContext *sc = st->priv_data;
2646 ✗ const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2647 GetByteContext g;
2648 uint32_t j2k_ncomponents;
2649
2650 ✗ if (!pix_desc) {
2651 ✗ av_log(s, AV_LOG_ERROR, "Pixel format not set\n");
2652 ✗ return AVERROR(EINVAL);
2653 }
2654
2655 ✗ if (mxf->header_written)
2656 ✗ return 1;
2657
2658 ✗ bytestream2_init(&g,pkt->data,pkt->size);
2659
2660 ✗ while (bytestream2_get_bytes_left(&g) >= 3 && bytestream2_peek_be16(&g) != JPEG2000_SOC)
2661 ✗ bytestream2_skip(&g, 1);
2662
2663 ✗ if (bytestream2_get_be16u(&g) != JPEG2000_SOC) {
2664 ✗ av_log(s, AV_LOG_ERROR, "Mandatory SOC marker is not present\n");
2665 ✗ return AVERROR_INVALIDDATA;
2666 }
2667
2668 /* Extract usefull size information from the SIZ marker */
2669 ✗ if (bytestream2_get_be16u(&g) != JPEG2000_SIZ) {
2670 ✗ av_log(s, AV_LOG_ERROR, "Mandatory SIZ marker is not present\n");
2671 ✗ return AVERROR_INVALIDDATA;
2672 }
2673 ✗ bytestream2_skip(&g, 2); // Skip Lsiz
2674 ✗ sc->j2k_info.j2k_cap = bytestream2_get_be16u(&g);
2675 ✗ sc->j2k_info.j2k_xsiz = bytestream2_get_be32u(&g);
2676 ✗ sc->j2k_info.j2k_ysiz = bytestream2_get_be32u(&g);
2677 ✗ sc->j2k_info.j2k_x0siz = bytestream2_get_be32u(&g);
2678 ✗ sc->j2k_info.j2k_y0siz = bytestream2_get_be32u(&g);
2679 ✗ sc->j2k_info.j2k_xtsiz = bytestream2_get_be32u(&g);
2680 ✗ sc->j2k_info.j2k_ytsiz = bytestream2_get_be32u(&g);
2681 ✗ sc->j2k_info.j2k_xt0siz = bytestream2_get_be32u(&g);
2682 ✗ sc->j2k_info.j2k_yt0siz = bytestream2_get_be32u(&g);
2683 ✗ j2k_ncomponents = bytestream2_get_be16u(&g);
2684 ✗ if (j2k_ncomponents != pix_desc->nb_components) {
2685 ✗ av_log(s, AV_LOG_ERROR, "Incoherence about components image number.\n");
2686 ✗ return AVERROR_INVALIDDATA;
2687 }
2688 ✗ bytestream2_get_bufferu(&g, sc->j2k_info.j2k_comp_desc, 3 * j2k_ncomponents);
2689
2690 ✗ sc->frame_size = pkt->size;
2691
2692 ✗ return 1;
2693 }
2694
2695 static const UID mxf_mpeg2_codec_uls[] = {
2696 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2697 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2698 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2699 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2700 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2701 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2702 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2703 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2704 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2705 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2706 };
2707
2708 111 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2709 {
2710 111 int long_gop = 1;
2711
2712
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 111 if (par->profile == 4) { // Main
2713
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 81 if (par->level == 8) // Main
2714 81 return &mxf_mpeg2_codec_uls[0+long_gop];
2715 ✗ else if (par->level == 4) // High
2716 ✗ return &mxf_mpeg2_codec_uls[4+long_gop];
2717 ✗ else if (par->level == 6) // High 14
2718 ✗ return &mxf_mpeg2_codec_uls[8+long_gop];
2719
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 30 } else if (par->profile == 0) { // 422
2720
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 30 if (par->level == 5) // Main
2721 30 return &mxf_mpeg2_codec_uls[2+long_gop];
2722 ✗ else if (par->level == 2) // High
2723 ✗ return &mxf_mpeg2_codec_uls[6+long_gop];
2724 }
2725 ✗ return NULL;
2726 }
2727
2728 161 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2729 AVPacket *pkt, MXFIndexEntry *e)
2730 {
2731 161 MXFStreamContext *sc = st->priv_data;
2732 161 uint32_t c = -1;
2733 int i;
2734
2735
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 3941 for(i = 0; i < pkt->size - 4; i++) {
2736 3941 c = (c<<8) + pkt->data[i];
2737
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 3941 if (c == 0x1b5) {
2738
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 216 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2739 52 st->codecpar->profile = pkt->data[i+1] & 0x07;
2740 52 st->codecpar->level = pkt->data[i+2] >> 4;
2741 52 sc->low_delay = pkt->data[i+6] >> 7;
2742
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 164 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2743 161 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2744
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 161 if (sc->interlaced)
2745
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 37 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2746 161 break;
2747 }
2748
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 3725 } else if (c == 0x1b8) { // gop
2749
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 52 if (pkt->data[i+4]>>6 & 0x01) { // closed
2750
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 31 if (sc->seq_closed_gop == -1)
2751 7 sc->seq_closed_gop = 1;
2752 31 sc->closed_gop = 1;
2753
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 31 if (e->flags & 0x40) // sequence header present
2754 31 e->flags |= 0x80; // random access
2755 } else {
2756 21 sc->seq_closed_gop = 0;
2757 21 sc->closed_gop = 0;
2758 }
2759
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 3673 } else if (c == 0x1b3) { // seq
2760 52 e->flags |= 0x40;
2761
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 52 switch ((pkt->data[i+4]>>4) & 0xf) {
2762 18 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2763 3 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2764 ✗ case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2765 34 default:
2766 34 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2767 34 st->codecpar->width, st->codecpar->height, 1024*1024);
2768 }
2769
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 3621 } else if (c == 0x100) { // pic
2770 161 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2771 161 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2772
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 161 if (pict_type == 2) { // P-frame
2773 58 e->flags |= 0x22;
2774 58 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2775
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 103 } else if (pict_type == 3) { // B-frame
2776
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 51 if (sc->closed_gop)
2777 ✗ e->flags |= 0x13; // only backward prediction
2778 else
2779 51 e->flags |= 0x33;
2780 51 sc->temporal_reordering = -1;
2781
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 52 } else if (!pict_type) {
2782 ✗ av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2783 ✗ return 0;
2784 }
2785 }
2786 }
2787
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 161 if (!IS_D10(s)) {
2788 111 const UID *codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2789
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 111 if (!codec_ul)
2790 ✗ return 0;
2791 111 sc->codec_ul = codec_ul;
2792 }
2793 161 return 1;
2794 }
2795
2796 ✗ static uint64_t mxf_parse_timestamp(int64_t timestamp64)
2797 {
2798 ✗ time_t timestamp = timestamp64 / 1000000;
2799 struct tm tmbuf;
2800 ✗ struct tm *time = gmtime_r(&timestamp, &tmbuf);
2801 ✗ if (!time)
2802 ✗ return 0;
2803 ✗ return (uint64_t)(time->tm_year+1900) << 48 |
2804 ✗ (uint64_t)(time->tm_mon+1) << 40 |
2805 ✗ (uint64_t) time->tm_mday << 32 |
2806 ✗ time->tm_hour << 24 |
2807 ✗ time->tm_min << 16 |
2808 ✗ time->tm_sec << 8 |
2809 ✗ (timestamp64 % 1000000) / 4000;
2810 }
2811
2812 ✗ static void mxf_gen_umid(AVFormatContext *s)
2813 {
2814 ✗ MXFContext *mxf = s->priv_data;
2815 ✗ uint32_t seed = av_get_random_seed();
2816 ✗ uint64_t umid = seed + 0x5294713400000000LL;
2817
2818 ✗ AV_WB64(mxf->umid , umid);
2819 ✗ AV_WB64(mxf->umid+8, umid>>8);
2820
2821 ✗ mxf->instance_number = seed & 0xFFFFFF;
2822 ✗ }
2823
2824 17 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational tbc)
2825 {
2826 17 MXFContext *mxf = s->priv_data;
2827 17 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2828
2829
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 17 if (!ff_mxf_get_content_package_rate(tbc)) {
2830 ✗ if (s->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
2831 ✗ av_log(s, AV_LOG_ERROR, "Unsupported frame rate %d/%d. Set -strict option to 'unofficial' or lower in order to allow it!\n", tbc.den, tbc.num);
2832 ✗ return AVERROR(EINVAL);
2833 } else {
2834 ✗ av_log(s, AV_LOG_WARNING, "Unofficial frame rate %d/%d.\n", tbc.den, tbc.num);
2835 }
2836 }
2837
2838 17 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2839
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 17 if (!tcr)
2840 10 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2841
2842
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 17 if (tcr)
2843 7 return av_timecode_init_from_string(&mxf->tc, av_inv_q(tbc), tcr->value, s);
2844 else
2845 10 return av_timecode_init(&mxf->tc, av_inv_q(tbc), 0, 0, s);
2846 }
2847
2848 16 static enum AVChromaLocation choose_chroma_location(AVFormatContext *s, AVStream *st)
2849 {
2850 16 AVCodecParameters *par = st->codecpar;
2851 16 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(par->format);
2852
2853
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 16 if (par->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
2854 6 return par->chroma_location;
2855
2856
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 10 if (pix_desc) {
2857
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 10 if (pix_desc->log2_chroma_h == 0) {
2858 5 return AVCHROMA_LOC_TOPLEFT;
2859
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 5 } else if (pix_desc->log2_chroma_w == 1 && pix_desc->log2_chroma_h == 1) {
2860
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 5 if (par->field_order == AV_FIELD_UNKNOWN || par->field_order == AV_FIELD_PROGRESSIVE) {
2861
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 4 switch (par->codec_id) {
2862 ✗ case AV_CODEC_ID_MJPEG:
2863 ✗ case AV_CODEC_ID_MPEG1VIDEO: return AVCHROMA_LOC_CENTER;
2864 }
2865 }
2866
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 5 if (par->field_order == AV_FIELD_UNKNOWN || par->field_order != AV_FIELD_PROGRESSIVE) {
2867
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 1 switch (par->codec_id) {
2868 ✗ case AV_CODEC_ID_MPEG2VIDEO: return AVCHROMA_LOC_LEFT;
2869 }
2870 }
2871 }
2872 }
2873
2874 5 return AVCHROMA_LOC_UNSPECIFIED;
2875 }
2876
2877 17 static int mxf_init(AVFormatContext *s)
2878 {
2879 17 MXFContext *mxf = s->priv_data;
2880 int i, ret;
2881 17 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2882 17 int64_t timestamp = 0;
2883
2884
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 17 if (IS_OPATOM(s) && s->nb_streams != 1) {
2885 ✗ av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2886 ✗ return -1;
2887 }
2888
2889
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 17 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2890 14 mxf->store_user_comments = 0;
2891
2892
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 46 for (i = 0; i < s->nb_streams; i++) {
2893 29 AVStream *st = s->streams[i];
2894 29 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2895
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 29 if (!sc)
2896 ✗ return AVERROR(ENOMEM);
2897 29 st->priv_data = sc;
2898 29 sc->index = -1;
2899
2900
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 29 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && !IS_OPATOM(s)) {
2901 ✗ av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2902 ✗ return -1;
2903 }
2904
2905
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 29 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2906 16 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2907 16 AVRational tbc = (AVRational){ 0, 0 };
2908
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 16 if (st->avg_frame_rate.num > 0 && st->avg_frame_rate.den > 0)
2909 15 tbc = av_inv_q(st->avg_frame_rate);
2910
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 1 else if (st->r_frame_rate.num > 0 && st->r_frame_rate.den > 0)
2911 1 tbc = av_inv_q(st->r_frame_rate);
2912
2913 // Default component depth to 8
2914 16 sc->component_depth = 8;
2915 16 sc->h_chroma_sub_sample = 2;
2916 16 sc->v_chroma_sub_sample = 2;
2917 16 sc->color_siting = 0xFF;
2918
2919
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 16 if (st->codecpar->sample_aspect_ratio.num && st->codecpar->sample_aspect_ratio.den) {
2920 11 sc->aspect_ratio = av_mul_q(st->codecpar->sample_aspect_ratio,
2921 11 av_make_q(st->codecpar->width, st->codecpar->height));
2922 }
2923
2924
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 16 if (pix_desc) {
2925 16 sc->component_depth = pix_desc->comp[0].depth;
2926 16 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2927 16 sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2928 }
2929
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 16 switch (choose_chroma_location(s, st)) {
2930 10 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2931 1 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2932 ✗ case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2933 ✗ case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2934 }
2935
2936 16 mxf->content_package_rate = ff_mxf_get_content_package_rate(tbc);
2937 16 mxf->time_base = tbc;
2938 16 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2939
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 16 if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2940 ✗ return ret;
2941
2942
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 16 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2943 10 sc->seq_closed_gop = -1; // unknown yet
2944 }
2945
2946 16 sc->video_bit_rate = st->codecpar->bit_rate;
2947
2948
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 16 if (IS_D10(s) ||
2949
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 14 st->codecpar->codec_id == AV_CODEC_ID_DNXHD ||
2950
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 13 st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO)
2951 6 mxf->cbr_index = 1;
2952
2953
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 16 if (IS_D10(s)) {
2954 2 int ntsc = mxf->time_base.den != 25;
2955 int ul_index;
2956
2957
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 2 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2958 ✗ av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2959 ✗ return AVERROR(EINVAL);
2960 }
2961
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 2 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2962 ✗ ul_index = 0;
2963
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 2 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && ntsc) {
2964 ✗ ul_index = 1;
2965
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 2 } else if (sc->video_bit_rate == 40000000) {
2966 ✗ ul_index = 2+ntsc;
2967
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 2 } else if (sc->video_bit_rate == 30000000) {
2968 2 ul_index = 4+ntsc;
2969 } else {
2970 ✗ av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2971 ✗ return -1;
2972 }
2973
2974 2 sc->codec_ul = &mxf_d10_codec_uls[ul_index];
2975 2 sc->container_ul = &mxf_d10_container_uls[ul_index];
2976 2 sc->index = INDEX_D10_VIDEO;
2977 2 sc->signal_standard = 1;
2978 2 sc->color_siting = 0;
2979 2 sc->frame_size = (int64_t)sc->video_bit_rate *
2980 2 mxf->time_base.num / (8*mxf->time_base.den);
2981 }
2982
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 16 if (mxf->signal_standard >= 0)
2983 ✗ sc->signal_standard = mxf->signal_standard;
2984
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 13 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2985 char bsf_arg[32];
2986
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 13 if (st->codecpar->sample_rate != 48000) {
2987 ✗ av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2988 ✗ return -1;
2989 }
2990 13 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2991
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 13 if (IS_D10(s)) {
2992
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 1 if (st->index != 1) {
2993 ✗ av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2994 ✗ return -1;
2995 }
2996
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 1 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2997 ✗ st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2998 ✗ av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2999 }
3000 1 sc->index = INDEX_D10_AUDIO;
3001 1 sc->container_ul = ((MXFStreamContext*)s->streams[0]->priv_data)->container_ul;
3002 1 sc->frame_size = 4 + 8 * av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) * 4;
3003
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 12 } else if (IS_OPATOM(s)) {
3004 1 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
3005
3006
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 1 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
3007 ✗ st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
3008 ✗ av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
3009 ✗ return AVERROR_PATCHWELCOME;
3010 }
3011
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 1 if (st->codecpar->ch_layout.nb_channels != 1) {
3012 ✗ av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
3013 ✗ return AVERROR(EINVAL);
3014 }
3015
3016 1 mxf->time_base = st->time_base;
3017
1/2
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 1 if((ret = mxf_init_timecode(s, st, tbc)) < 0)
3018 ✗ return ret;
3019
3020 1 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->ch_layout.nb_channels) >> 3;
3021 1 sc->index = INDEX_WAV;
3022 } else {
3023 11 mxf->slice_count = 1;
3024 22 sc->frame_size = st->codecpar->ch_layout.nb_channels *
3025 22 av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) *
3026 11 av_get_bits_per_sample(st->codecpar->codec_id) / 8;
3027 }
3028 13 snprintf(bsf_arg, sizeof(bsf_arg), "r=%d/%d", mxf->tc.rate.num, mxf->tc.rate.den);
3029 13 ret = ff_stream_add_bitstream_filter(st, "pcm_rechunk", bsf_arg);
3030
1/2
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 13 if (ret < 0)
3031 ✗ return ret;
3032 ✗ } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
3033 ✗ AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0);
3034 ✗ if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) {
3035 ✗ sc->index = INDEX_S436M;
3036 } else {
3037 ✗ av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i);
3038 ✗ return -1;
3039 }
3040 ✗ if (st->index != s->nb_streams - 1) {
3041 ✗ av_log(s, AV_LOG_ERROR, "data track must be placed last\n");
3042 ✗ return -1;
3043 }
3044 }
3045
3046
2/2
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 29 if (sc->index == -1) {
3047 25 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
3048
1/2
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 25 if (sc->index == -1) {
3049 ✗ av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
3050 "codec not currently supported in container\n", i);
3051 ✗ return -1;
3052 }
3053 }
3054
3055
2/2
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 29 if (!sc->codec_ul)
3056 27 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
3057
2/2
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✓ Branch 1 taken 3 times.
 29 if (!sc->container_ul)
3058 26 sc->container_ul = &mxf_essence_container_uls[sc->index].container_ul;
3059
3060 29 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
3061 29 sc->track_essence_element_key[15] = present[sc->index];
3062
4/4
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 29 if (IS_OPATOM(s) && st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
3063 // clip-wrapping requires 0x0D per ST2019-4:2009 or 0x06 per previous version ST2019-4:2008
3064 // we choose to use 0x06 instead 0x0D to be compatible with AVID systems
3065 // and produce mxf files with the most relevant flavour for opatom
3066 1 sc->track_essence_element_key[14] = 0x06;
3067 }
3068 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
3069
3070
2/2
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✓ Branch 1 taken 1 times.
 29 if (!present[sc->index])
3071 28 mxf->essence_container_count++;
3072 29 present[sc->index]++;
3073 }
3074
3075
4/4
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 17 if (IS_D10(s) || IS_OPATOM(s)) {
3076 5 mxf->essence_container_count = 1;
3077 }
3078
3079
1/2
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 17 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3080 ✗ mxf_gen_umid(s);
3081
3082
2/2
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✓ Branch 1 taken 17 times.
 46 for (i = 0; i < s->nb_streams; i++) {
3083 29 MXFStreamContext *sc = s->streams[i]->priv_data;
3084 // update element count
3085 29 sc->track_essence_element_key[13] = present[sc->index];
3086
2/2
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 29 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[INDEX_DV].element_ul, 13)) // DV
3087 3 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
3088 else
3089 26 sc->order = AV_RB32(sc->track_essence_element_key+12);
3090 }
3091
3092
1/2
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 17 if (ff_parse_creation_time_metadata(s, &timestamp, 0) > 0)
3093 ✗ mxf->timestamp = mxf_parse_timestamp(timestamp);
3094 17 mxf->duration = -1;
3095
3096 17 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
3097
1/2
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 17 if (!mxf->timecode_track)
3098 ✗ return AVERROR(ENOMEM);
3099 17 mxf->timecode_track->priv_data = &mxf->timecode_track_priv;
3100 17 mxf->timecode_track->index = -1;
3101
3102 17 return 0;
3103 }
3104
3105 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
3106 static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
3107
3108 262 static void mxf_write_system_item(AVFormatContext *s)
3109 {
3110 262 MXFContext *mxf = s->priv_data;
3111 262 AVIOContext *pb = s->pb;
3112 unsigned frame;
3113 uint32_t time_code;
3114 262 int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present
3115
3116 262 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
3117
3118 // write system metadata pack
3119 262 avio_write(pb, system_metadata_pack_key, 16);
3120 262 klv_encode_ber4_length(pb, 57);
3121
3122
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 740 for (i = 0; i < s->nb_streams; i++) {
3123
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 478 if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
3124 216 system_item_bitmap |= 0x4;
3125
1/2
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 262 else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA)
3126 ✗ system_item_bitmap |= 0x2;
3127 }
3128 262 avio_w8(pb, system_item_bitmap);
3129 262 avio_w8(pb, mxf->content_package_rate); // content package rate
3130 262 avio_w8(pb, 0x00); // content package type
3131 262 avio_wb16(pb, 0x00); // channel handle
3132 262 avio_wb16(pb, frame & 0xFFFF); // continuity count, supposed to overflow
3133
2/2
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✓ Branch 1 taken 76 times.
 262 if (mxf->essence_container_count > 1)
3134 186 avio_write(pb, multiple_desc_ul, 16);
3135 else {
3136 76 MXFStreamContext *sc = s->streams[0]->priv_data;
3137 76 avio_write(pb, *sc->container_ul, 16);
3138 }
3139 262 avio_w8(pb, 0);
3140 262 avio_wb64(pb, 0);
3141 262 avio_wb64(pb, 0); // creation date/time stamp
3142
3143 262 avio_w8(pb, 0x81); // SMPTE 12M time code
3144 262 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
3145 262 avio_wb32(pb, time_code);
3146 262 avio_wb32(pb, 0); // binary group data
3147 262 avio_wb64(pb, 0);
3148
3149 // write system metadata package set
3150 262 avio_write(pb, system_metadata_package_set_key, 16);
3151 262 klv_encode_ber4_length(pb, 35);
3152 262 avio_w8(pb, 0x83); // UMID
3153 262 avio_wb16(pb, 0x20);
3154 262 mxf_write_umid(s, 1);
3155 262 }
3156
3157 25 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
3158 {
3159 25 MXFContext *mxf = s->priv_data;
3160 25 AVIOContext *pb = s->pb;
3161 25 int frame_size = pkt->size / st->codecpar->block_align;
3162 25 const uint8_t *samples = pkt->data;
3163 25 const uint8_t *const end = pkt->data + pkt->size;
3164 int i;
3165
3166 25 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
3167
3168
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 25 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
3169 25 avio_wl16(pb, frame_size);
3170 25 avio_w8(pb, (1 << st->codecpar->ch_layout.nb_channels)-1);
3171
3172
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 48025 while (samples < end) {
3173
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 144000 for (i = 0; i < st->codecpar->ch_layout.nb_channels; i++) {
3174 uint32_t sample;
3175
1/2
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 96000 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
3176 ✗ sample = AV_RL24(samples)<< 4;
3177 ✗ samples += 3;
3178 } else {
3179 96000 sample = AV_RL16(samples)<<12;
3180 96000 samples += 2;
3181 }
3182 96000 avio_wl32(pb, sample | i);
3183 }
3184
2/2
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✓ Branch 1 taken 48000 times.
 336000 for (; i < 8; i++)
3185 288000 avio_wl32(pb, i);
3186 }
3187 25 }
3188
3189 6 static int mxf_write_opatom_body_partition(AVFormatContext *s)
3190 {
3191 6 MXFContext *mxf = s->priv_data;
3192 6 AVIOContext *pb = s->pb;
3193 6 AVStream *st = s->streams[0];
3194 6 MXFStreamContext *sc = st->priv_data;
3195 6 const uint8_t *key = NULL;
3196
3197 int err;
3198
3199
2/2
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 6 if (!mxf->header_written)
3200 3 key = body_partition_key;
3201
3202
1/2
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 6 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
3203 ✗ return err;
3204 6 mxf_write_klv_fill(s);
3205 6 avio_write(pb, sc->track_essence_element_key, 16);
3206 6 klv_encode_ber9_length(pb, mxf->body_offset);
3207 6 return 0;
3208 }
3209
3210 54 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
3211 {
3212 54 MXFContext *mxf = s->priv_data;
3213 54 AVIOContext *pb = s->pb;
3214
3215 int err;
3216
3217
2/2
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 54 if (!mxf->header_written) {
3218
1/2
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 3 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
3219 ✗ return err;
3220 3 mxf_write_klv_fill(s);
3221
3222
1/2
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 3 if ((err = mxf_write_opatom_body_partition(s)) < 0)
3223 ✗ return err;
3224 3 mxf->header_written = 1;
3225 }
3226
3227
2/2
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 54 if (!mxf->edit_unit_byte_count) {
3228 4 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
3229 4 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
3230 4 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
3231 }
3232 54 mxf->edit_units_count++;
3233 54 avio_write(pb, pkt->data, pkt->size);
3234 54 mxf->body_offset += pkt->size;
3235
3236 54 return 0;
3237 }
3238
3239 6 static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
3240 {
3241 6 MXFContext *mxf = s->priv_data;
3242 int i;
3243
3244
2/2
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 6 if (IS_OPATOM(s)) {
3245 1 MXFStreamContext *sc = s->streams[0]->priv_data;
3246 1 mxf->edit_unit_byte_count = sc->frame_size;
3247 1 return;
3248 }
3249
3250 5 mxf->edit_unit_byte_count = KAG_SIZE; // system element
3251
2/2
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 14 for (i = 0; i < s->nb_streams; i++) {
3252 9 AVStream *st = s->streams[i];
3253 9 MXFStreamContext *sc = st->priv_data;
3254 9 sc->slice_offset = mxf->edit_unit_byte_count;
3255 9 mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
3256 9 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
3257 }
3258 }
3259
3260 532 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
3261 {
3262 532 MXFContext *mxf = s->priv_data;
3263 532 AVIOContext *pb = s->pb;
3264 532 AVStream *st = s->streams[pkt->stream_index];
3265 532 MXFStreamContext *sc = st->priv_data;
3266 532 MXFIndexEntry ie = {0};
3267 int err;
3268
3269
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 532 if (!mxf->header_written && pkt->stream_index != 0 &&
3270 ✗ !IS_OPATOM(s)) {
3271 ✗ av_log(s, AV_LOG_ERROR, "Received non-video packet before "
3272 "header has been written\n");
3273 ✗ return AVERROR_INVALIDDATA;
3274 }
3275
3276
6/6
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 532 if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
3277
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 10 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
3278 10 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
3279 ✗ mxf->edit_units_count = 0;
3280 ✗ av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
3281 ✗ return err;
3282 }
3283 }
3284
3285
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 532 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
3286
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 161 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
3287 ✗ av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
3288 ✗ return -1;
3289 }
3290
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 371 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
3291
1/2
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 25 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
3292 ✗ av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
3293 ✗ return -1;
3294 }
3295
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 346 } else if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) {
3296
1/2
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 5 if (!mxf_parse_prores_frame(s, st, pkt)) {
3297 ✗ av_log(s, AV_LOG_ERROR, "could not get prores profile\n");
3298 ✗ return -1;
3299 }
3300
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 341 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
3301
1/2
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 75 if (!mxf_parse_dv_frame(s, st, pkt)) {
3302 ✗ av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
3303 ✗ return -1;
3304 }
3305
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 266 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
3306 ✗ if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
3307 ✗ av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
3308 ✗ return -1;
3309 }
3310
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 266 } else if (st->codecpar->codec_id == AV_CODEC_ID_FFV1) {
3311
1/2
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 25 if (!mxf_parse_ffv1_frame(s, st, pkt)) {
3312 ✗ av_log(s, AV_LOG_ERROR, "could not get ffv1 version\n");
3313 ✗ return -1;
3314 }
3315
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 241 } else if (st->codecpar->codec_id == AV_CODEC_ID_JPEG2000) {
3316 ✗ if (!mxf_parse_jpeg2000_frame(s, st, pkt)) {
3317 ✗ av_log(s, AV_LOG_ERROR, "could not get jpeg2000 profile\n");
3318 ✗ return -1;
3319 }
3320 }
3321
3322
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 532 if (mxf->cbr_index) {
3323
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 250 if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
3324 ✗ av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
3325 st->index, pkt->size, sc->frame_size);
3326 ✗ return -1;
3327 }
3328
2/2
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 250 if (!mxf->header_written)
3329 6 mxf_compute_edit_unit_byte_count(s);
3330 }
3331
3332
2/2
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 532 if (IS_OPATOM(s))
3333 54 return mxf_write_opatom_packet(s, pkt, &ie);
3334
3335
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 478 if (!mxf->header_written) {
3336
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 14 if (mxf->edit_unit_byte_count) {
3337
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 5 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
3338 ✗ return err;
3339 5 mxf_write_klv_fill(s);
3340 5 mxf_write_index_table_segment(s);
3341 } else {
3342
1/2
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✓ Branch 2 taken 9 times.
 9 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
3343 ✗ return err;
3344 }
3345 14 mxf->header_written = 1;
3346 }
3347
3348
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 478 if (st->index == 0) {
3349
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 262 if (!mxf->edit_unit_byte_count &&
3350
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 137 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
3351
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✗ Branch 1 not taken.
 9 !(ie.flags & 0x33)) { // I-frame, GOP start
3352 9 mxf_write_klv_fill(s);
3353
1/2
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✓ Branch 2 taken 9 times.
 9 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
3354 ✗ return err;
3355 9 mxf_write_klv_fill(s);
3356 9 mxf_write_index_table_segment(s);
3357 }
3358
3359 262 mxf_write_klv_fill(s);
3360 262 mxf_write_system_item(s);
3361
3362
2/2
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 262 if (!mxf->edit_unit_byte_count) {
3363 137 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
3364 137 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
3365 137 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
3366 137 mxf->body_offset += KAG_SIZE; // size of system element
3367 }
3368 262 mxf->edit_units_count++;
3369
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 216 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
3370
1/2
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 111 if (!mxf->edit_units_count) {
3371 ✗ av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
3372 ✗ return AVERROR_PATCHWELCOME;
3373 }
3374 111 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
3375 111 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
3376 }
3377
3378 478 mxf_write_klv_fill(s);
3379 478 avio_write(pb, sc->track_essence_element_key, 16); // write key
3380
4/4
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 478 if (IS_D10(s) && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
3381 25 mxf_write_d10_audio_packet(s, st, pkt);
3382 } else {
3383 453 klv_encode_ber4_length(pb, pkt->size); // write length
3384 453 avio_write(pb, pkt->data, pkt->size);
3385 453 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
3386 }
3387
3388 478 return 0;
3389 }
3390
3391 17 static void mxf_write_random_index_pack(AVFormatContext *s)
3392 {
3393 17 MXFContext *mxf = s->priv_data;
3394 17 AVIOContext *pb = s->pb;
3395 17 uint64_t pos = avio_tell(pb);
3396 int i;
3397
3398 17 avio_write(pb, ff_mxf_random_index_pack_key, 16);
3399 17 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
3400
3401
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 17 if (mxf->edit_unit_byte_count && !IS_OPATOM(s))
3402 5 avio_wb32(pb, 1); // BodySID of header partition
3403 else
3404 12 avio_wb32(pb, 0);
3405 17 avio_wb64(pb, 0); // offset of header partition
3406
3407
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 29 for (i = 0; i < mxf->body_partitions_count; i++) {
3408 12 avio_wb32(pb, 1); // BodySID
3409 12 avio_wb64(pb, mxf->body_partition_offset[i]);
3410 }
3411
3412 17 avio_wb32(pb, 0); // BodySID of footer partition
3413 17 avio_wb64(pb, mxf->footer_partition_offset);
3414
3415 17 avio_wb32(pb, avio_tell(pb) - pos + 4);
3416 17 }
3417
3418 17 static int mxf_write_footer(AVFormatContext *s)
3419 {
3420 17 MXFContext *mxf = s->priv_data;
3421 17 AVIOContext *pb = s->pb;
3422 int i, err;
3423
3424
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 17 if (!mxf->header_written ||
3425
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 17 (IS_OPATOM(s) && !mxf->body_partition_offset)) {
3426 /* reason could be invalid options/not supported codec/out of memory */
3427 ✗ return AVERROR_UNKNOWN;
3428 }
3429
3430 17 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
3431
3432 17 mxf_write_klv_fill(s);
3433 17 mxf->footer_partition_offset = avio_tell(pb);
3434
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 17 if (mxf->edit_unit_byte_count && !IS_OPATOM(s)) { // no need to repeat index
3435
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 5 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
3436 ✗ return err;
3437 } else {
3438
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 12 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
3439 ✗ return err;
3440 12 mxf_write_klv_fill(s);
3441 12 mxf_write_index_table_segment(s);
3442 }
3443
3444 17 mxf_write_klv_fill(s);
3445 17 mxf_write_random_index_pack(s);
3446
3447
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 17 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
3448
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 17 if (IS_OPATOM(s)) {
3449 /* rewrite body partition to update lengths */
3450 3 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
3451
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 3 if ((err = mxf_write_opatom_body_partition(s)) < 0)
3452 ✗ return err;
3453 }
3454
3455 17 avio_seek(pb, 0, SEEK_SET);
3456
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 17 if (mxf->edit_unit_byte_count && !IS_OPATOM(s)) {
3457
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 5 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
3458 ✗ return err;
3459 5 mxf_write_klv_fill(s);
3460 5 mxf_write_index_table_segment(s);
3461 } else {
3462
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 12 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
3463 ✗ return err;
3464 }
3465 // update footer partition offset
3466
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 29 for (i = 0; i < mxf->body_partitions_count; i++) {
3467 12 avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
3468 12 avio_wb64(pb, mxf->footer_partition_offset);
3469 }
3470 }
3471
3472 17 return 0;
3473 }
3474
3475 17 static void mxf_deinit(AVFormatContext *s)
3476 {
3477 17 MXFContext *mxf = s->priv_data;
3478
3479 17 av_freep(&mxf->index_entries);
3480 17 av_freep(&mxf->body_partition_offset);
3481 17 av_freep(&mxf->timecode_track);
3482 17 }
3483
3484 1094 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, int flush)
3485 {
3486 1094 FFFormatContext *const si = ffformatcontext(s);
3487 1094 int i, stream_count = 0;
3488
3489
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 3097 for (i = 0; i < s->nb_streams; i++)
3490 2003 stream_count += !!ffstream(s->streams[i])->last_in_packet_buffer;
3491
3492
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 1094 if (stream_count && (s->nb_streams == stream_count || flush)) {
3493 532 PacketListEntry *pktl = si->packet_buffer.head;
3494
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 532 if (s->nb_streams != stream_count) {
3495 12 PacketListEntry *last = NULL;
3496 // find last packet in edit unit
3497
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 25 while (pktl) {
3498
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 14 if (!stream_count || pktl->pkt.stream_index == 0)
3499 break;
3500 // update last packet in packet buffer
3501
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 13 if (ffstream(s->streams[pktl->pkt.stream_index])->last_in_packet_buffer != pktl)
3502 1 ffstream(s->streams[pktl->pkt.stream_index])->last_in_packet_buffer = pktl;
3503 13 last = pktl;
3504 13 pktl = pktl->next;
3505 13 stream_count--;
3506 }
3507 // purge packet queue
3508
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 25 while (pktl) {
3509 13 PacketListEntry *next = pktl->next;
3510 13 av_packet_unref(&pktl->pkt);
3511 13 av_freep(&pktl);
3512 13 pktl = next;
3513 }
3514
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 12 if (last)
3515 12 last->next = NULL;
3516 else {
3517 ✗ si->packet_buffer.head = NULL;
3518 ✗ si->packet_buffer.tail = NULL;
3519 ✗ goto out;
3520 }
3521 12 pktl = si->packet_buffer.head;
3522 }
3523
3524
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 532 if (ffstream(s->streams[pktl->pkt.stream_index])->last_in_packet_buffer == pktl)
3525 345 ffstream(s->streams[pktl->pkt.stream_index])->last_in_packet_buffer = NULL;
3526 532 avpriv_packet_list_get(&si->packet_buffer, out);
3527 532 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", out->stream_index, out->dts);
3528 532 return 1;
3529 } else {
3530 562 out:
3531 562 return 0;
3532 }
3533 }
3534
3535 610 static int mxf_compare_timestamps(AVFormatContext *s, const AVPacket *next,
3536 const AVPacket *pkt)
3537 {
3538 610 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
3539 610 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3540
3541
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 1030 return next->dts > pkt->dts ||
3542
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 420 (next->dts == pkt->dts && sc->order < sc2->order);
3543 }
3544
3545 1094 static int mxf_interleave(AVFormatContext *s, AVPacket *pkt,
3546 int flush, int has_packet)
3547 {
3548 int ret;
3549
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 1094 if (has_packet) {
3550 545 MXFStreamContext *sc = s->streams[pkt->stream_index]->priv_data;
3551 545 pkt->pts = pkt->dts = sc->pkt_cnt++;
3552
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 545 if ((ret = ff_interleave_add_packet(s, pkt, mxf_compare_timestamps)) < 0)
3553 ✗ return ret;
3554 }
3555 1094 return mxf_interleave_get_packet(s, pkt, flush);
3556 }
3557
3558 26 static int mxf_check_bitstream(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
3559 {
3560
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 26 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
3561 ✗ if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
3562 ✗ AV_RB24(pkt->data) != 0x000001)
3563 ✗ return ff_stream_add_bitstream_filter(st, "h264_mp4toannexb", NULL);
3564 }
3565 26 return 1;
3566 }
3567
3568 #define MXF_COMMON_OPTIONS \
3569 { "signal_standard", "Force/set Signal Standard",\
3570 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3571 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3572 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3573 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3574 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3575 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3576 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3577 { "smpte274m", "SMPTE 274M (1125 line)",\
3578 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3579 { "smpte296m", "SMPTE 296M (750 line progressive)",\
3580 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3581 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3582 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3583 { "smpte428", "SMPTE 428-1 DCDM",\
3584 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},
3585
3586
3587
3588 static const AVOption mxf_options[] = {
3589 MXF_COMMON_OPTIONS
3590 { "store_user_comments", "",
3591 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3592 { NULL },
3593 };
3594
3595 static const AVClass mxf_muxer_class = {
3596 .class_name = "MXF muxer",
3597 .item_name = av_default_item_name,
3598 .option = mxf_options,
3599 .version = LIBAVUTIL_VERSION_INT,
3600 };
3601
3602 static const AVOption d10_options[] = {
3603 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3604 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3605 MXF_COMMON_OPTIONS
3606 { "store_user_comments", "",
3607 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3608 { NULL },
3609 };
3610
3611 static const AVClass mxf_d10_muxer_class = {
3612 .class_name = "MXF-D10 muxer",
3613 .item_name = av_default_item_name,
3614 .option = d10_options,
3615 .version = LIBAVUTIL_VERSION_INT,
3616 };
3617
3618 static const AVOption opatom_options[] = {
3619 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3620 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3621 MXF_COMMON_OPTIONS
3622 { "store_user_comments", "",
3623 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3624 { NULL },
3625 };
3626
3627 static const AVClass mxf_opatom_muxer_class = {
3628 .class_name = "MXF-OPAtom muxer",
3629 .item_name = av_default_item_name,
3630 .option = opatom_options,
3631 .version = LIBAVUTIL_VERSION_INT,
3632 };
3633
3634 const FFOutputFormat ff_mxf_muxer = {
3635 .p.name = "mxf",
3636 .p.long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3637 .p.mime_type = "application/mxf",
3638 .p.extensions = "mxf",
3639 .priv_data_size = sizeof(MXFContext),
3640 .p.audio_codec = AV_CODEC_ID_PCM_S16LE,
3641 .p.video_codec = AV_CODEC_ID_MPEG2VIDEO,
3642 .init = mxf_init,
3643 .write_packet = mxf_write_packet,
3644 .write_trailer = mxf_write_footer,
3645 .deinit = mxf_deinit,
3646 .p.flags = AVFMT_NOTIMESTAMPS,
3647 .interleave_packet = mxf_interleave,
3648 .p.priv_class = &mxf_muxer_class,
3649 .check_bitstream = mxf_check_bitstream,
3650 };
3651
3652 const FFOutputFormat ff_mxf_d10_muxer = {
3653 .p.name = "mxf_d10",
3654 .p.long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3655 .p.mime_type = "application/mxf",
3656 .priv_data_size = sizeof(MXFContext),
3657 .p.audio_codec = AV_CODEC_ID_PCM_S16LE,
3658 .p.video_codec = AV_CODEC_ID_MPEG2VIDEO,
3659 .init = mxf_init,
3660 .write_packet = mxf_write_packet,
3661 .write_trailer = mxf_write_footer,
3662 .deinit = mxf_deinit,
3663 .p.flags = AVFMT_NOTIMESTAMPS,
3664 .interleave_packet = mxf_interleave,
3665 .p.priv_class = &mxf_d10_muxer_class,
3666 };
3667
3668 const FFOutputFormat ff_mxf_opatom_muxer = {
3669 .p.name = "mxf_opatom",
3670 .p.long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3671 .p.mime_type = "application/mxf",
3672 .p.extensions = "mxf",
3673 .priv_data_size = sizeof(MXFContext),
3674 .p.audio_codec = AV_CODEC_ID_PCM_S16LE,
3675 .p.video_codec = AV_CODEC_ID_DNXHD,
3676 .init = mxf_init,
3677 .write_packet = mxf_write_packet,
3678 .write_trailer = mxf_write_footer,
3679 .deinit = mxf_deinit,
3680 .p.flags = AVFMT_NOTIMESTAMPS,
3681 .interleave_packet = mxf_interleave,
3682 .p.priv_class = &mxf_opatom_muxer_class,
3683 .check_bitstream = mxf_check_bitstream,
3684 };
3685