FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/mxfenc.c
Date: 2024-04-25 05:10:44
Exec Total Coverage
Lines: 1471 1854 79.3%
Functions: 75 83 90.4%
Branches: 638 912 70.0%
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 "mux.h"
64 #include "mxf.h"
65 #include "config.h"
66 #include "version.h"
67
68 extern const FFOutputFormat ff_mxf_d10_muxer;
69 extern const FFOutputFormat ff_mxf_opatom_muxer;
70
71 #define IS_D10(s) ((s)->oformat == &ff_mxf_d10_muxer.p)
72 #define IS_OPATOM(s) ((s)->oformat == &ff_mxf_opatom_muxer.p)
73
74 #define EDIT_UNITS_PER_BODY 250
75 #define KAG_SIZE 512
76
77 typedef struct MXFIndexEntry {
78 uint64_t offset;
79 unsigned slice_offset; ///< offset of audio slice
80 uint16_t temporal_ref;
81 uint8_t flags;
82 } MXFIndexEntry;
83
84 typedef struct j2k_info_t {
85 uint16_t j2k_cap; ///< j2k required decoder capabilities
86 uint16_t j2k_rsiz; ///< j2k required decoder capabilities (Rsiz)
87 uint32_t j2k_xsiz; ///< j2k width of the reference grid (Xsiz)
88 uint32_t j2k_ysiz; ///< j2k height of the reference grid (Ysiz)
89 uint32_t j2k_x0siz; ///< j2k horizontal offset from the origin of the reference grid to the left side of the image (X0siz)
90 uint32_t j2k_y0siz; ///< j2k vertical offset from the origin of the reference grid to the left side of the image (Y0siz)
91 uint32_t j2k_xtsiz; ///< j2k width of one reference tile with respect to the reference grid (XTsiz)
92 uint32_t j2k_ytsiz; ///< j2k height of one reference tile with respect to the reference grid (YTsiz)
93 uint32_t j2k_xt0siz; ///< j2k horizontal offset from the origin of the reference grid to the left side of the first tile (XT0siz)
94 uint32_t j2k_yt0siz; ///< j2k vertical offset from the origin of the reference grid to the left side of the first tile (YT0siz)
95 uint8_t j2k_comp_desc[12]; ///< j2k components descriptor (Ssiz(i), XRsiz(i), YRsiz(i))
96 } j2k_info_t;
97
98 typedef struct MXFStreamContext {
99 int64_t pkt_cnt; ///< pkt counter for muxed packets
100 UID track_essence_element_key;
101 int index; ///< index in mxf_essence_container_uls table
102 const UID *codec_ul;
103 const UID *container_ul;
104 int order; ///< interleaving order if dts are equal
105 int interlaced; ///< whether picture is interlaced
106 int field_dominance; ///< tff=1, bff=2
107 int component_depth;
108 int color_siting;
109 int signal_standard;
110 int h_chroma_sub_sample;
111 int v_chroma_sub_sample;
112 int temporal_reordering;
113 AVRational aspect_ratio; ///< display aspect ratio
114 int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
115 int video_bit_rate;
116 int slice_offset;
117 int frame_size; ///< frame size in bytes
118 int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
119 int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
120 int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
121 int low_delay; ///< low delay, used in mpeg-2 descriptor
122 int avc_intra;
123 int micro_version; ///< format micro_version, used in ffv1 descriptor
124 j2k_info_t j2k_info;
125 } MXFStreamContext;
126
127 typedef struct MXFContainerEssenceEntry {
128 UID container_ul;
129 UID element_ul;
130 UID codec_ul;
131 void (*write_desc)(AVFormatContext *, AVStream *);
132 } MXFContainerEssenceEntry;
133
134 typedef struct MXFPackage {
135 char *name;
136 enum MXFMetadataSetType type;
137 int instance;
138 struct MXFPackage *ref;
139 } MXFPackage;
140
141 enum ULIndex {
142 INDEX_MPEG2 = 0,
143 INDEX_AES3,
144 INDEX_WAV,
145 INDEX_D10_VIDEO,
146 INDEX_D10_AUDIO,
147 INDEX_DV,
148 INDEX_DNXHD,
149 INDEX_JPEG2000,
150 INDEX_H264,
151 INDEX_S436M,
152 INDEX_PRORES,
153 INDEX_FFV1,
154 };
155
156 static const struct {
157 enum AVCodecID id;
158 enum ULIndex index;
159 } mxf_essence_mappings[] = {
160 { AV_CODEC_ID_MPEG2VIDEO, INDEX_MPEG2 },
161 { AV_CODEC_ID_PCM_S24LE, INDEX_AES3 },
162 { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
163 { AV_CODEC_ID_DVVIDEO, INDEX_DV },
164 { AV_CODEC_ID_DNXHD, INDEX_DNXHD },
165 { AV_CODEC_ID_JPEG2000, INDEX_JPEG2000 },
166 { AV_CODEC_ID_H264, INDEX_H264 },
167 { AV_CODEC_ID_PRORES, INDEX_PRORES },
168 { AV_CODEC_ID_FFV1, INDEX_FFV1 },
169 { AV_CODEC_ID_NONE }
170 };
171
172 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
173 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
174 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st);
175 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st);
176 static void mxf_write_ffv1_desc(AVFormatContext *s, AVStream *st);
177 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
178 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st);
179 static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st);
180
181 static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
182 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
183 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
184 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
185 mxf_write_mpegvideo_desc },
186 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
187 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
188 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
189 mxf_write_aes3_desc },
190 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
191 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
192 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
193 mxf_write_wav_desc },
194 // D-10 Video
195 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
196 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
197 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
198 mxf_write_cdci_desc },
199 // D-10 Audio
200 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
201 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
202 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
203 mxf_write_generic_sound_desc },
204 // DV
205 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
206 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
207 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
208 mxf_write_cdci_desc },
209 // DNxHD
210 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
211 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x0C,0x00 },
212 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
213 mxf_write_cdci_desc },
214 // JPEG2000
215 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
216 { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
217 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
218 mxf_write_cdci_desc },
219 // H.264
220 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
221 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
222 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
223 mxf_write_h264_desc },
224 // S436M ANC
225 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 },
226 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 },
227 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 },
228 mxf_write_s436m_anc_desc },
229 // ProRes
230 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 },
231 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x17,0x00 },
232 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 },
233 mxf_write_cdci_desc },
234 // FFV1
235 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x23,0x01,0x00 },
236 { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x1d,0x00 },
237 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x09,0x00,0x00 },
238 mxf_write_ffv1_desc },
239 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
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 NULL },
243 };
244
245 static const UID mxf_d10_codec_uls[] = {
246 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
247 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, // D-10 525/50 NTSC 50mb/s
248 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, // D-10 625/50 PAL 40mb/s
249 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, // D-10 525/50 NTSC 40mb/s
250 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, // D-10 625/50 PAL 30mb/s
251 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, // D-10 525/50 NTSC 30mb/s
252 };
253
254 static const UID mxf_d10_container_uls[] = {
255 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
256 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, // D-10 525/50 NTSC 50mb/s
257 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, // D-10 625/50 PAL 40mb/s
258 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, // D-10 525/50 NTSC 40mb/s
259 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, // D-10 625/50 PAL 30mb/s
260 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, // D-10 525/50 NTSC 30mb/s
261 };
262
263
264 static const UID mxf_ffv1_codec_uls[] = {
265 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x01,0x00 }, // FFV1 version 0
266 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x02,0x00 }, // FFV1 version 1
267 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x03,0x00 }, // FFV1 version 2 (was only experimental)
268 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x04,0x00 }, // FFV1 version 3
269 { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x03,0x09,0x05,0x00 }, // FFV1 version 4
270 };
271
272 static const uint8_t product_uid[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd,0x00,0x0c,0x00,0x02};
273 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff };
274 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
275
276 /**
277 * complete key for operation pattern, partitions, and primer pack
278 */
279 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
280 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
281 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
282 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
283 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
284 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
285 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
286 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
287 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
288
289 /**
290 * partial key for header metadata
291 */
292 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
293 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
294
295 /**
296 * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
297 * https://smpte-ra.org/sites/default/files/Labels.xml
298 */
299 static const MXFLocalTagPair mxf_local_tag_batch[] = {
300 // preface set
301 { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
302 { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
303 { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
304 { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
305 { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
306 { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
307 { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
308 { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
309 { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
310 // Identification
311 { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
312 { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
313 { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
314 { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
315 { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
316 { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
317 { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
318 { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
319 { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
320 // Content Storage
321 { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
322 { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
323 // Essence Container Data
324 { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
325 { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
326 // Package
327 { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
328 { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
329 { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
330 { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
331 { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
332 { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
333 // Track
334 { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
335 { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
336 { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
337 { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
338 { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
339 // Sequence
340 { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
341 { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
342 { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
343 // Source Clip
344 { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
345 { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
346 { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
347 // Timecode Component
348 { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
349 { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
350 { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
351 // File Descriptor
352 { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
353 { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
354 { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
355 { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
356 { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
357 // Generic Picture Essence Descriptor
358 { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
359 { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
360 { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
361 { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
362 { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
363 { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
364 { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
365 { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
366 { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
367 { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
368 { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
369 { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
370 { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
371 { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
372 { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
373 { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
374 { 0x321A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x03,0x01,0x00}}, /* Coding Equations (color space) */
375 { 0x3219, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x04,0x01,0x02,0x01,0x01,0x06,0x01,0x00}}, /* Color Primaries */
376 { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
377 { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
378 { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
379 { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
380 { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
381 // CDCI Picture Essence Descriptor
382 { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
383 { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
384 { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
385 { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
386 { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
387 { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
388 { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
389 { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
390 // Generic Sound Essence Descriptor
391 { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
392 { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
393 { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
394 { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
395 { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
396 { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
397 // Index Table Segment
398 { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
399 { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
400 { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
401 { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
402 { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
403 { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
404 { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
405 { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
406 // MPEG video Descriptor
407 { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
408 { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
409 { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
410 { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
411 { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
412 { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
413 // Wave Audio Essence Descriptor
414 { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
415 { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
416 // mxf_user_comments_local_tag
417 { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
418 { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
419 { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
420 // mxf_avc_subdescriptor_local_tags
421 { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */
422 { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */
423 { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */
424 { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */
425 // ff_mxf_mastering_display_local_tags
426 { 0x8301, FF_MXF_MasteringDisplayPrimaries },
427 { 0x8302, FF_MXF_MasteringDisplayWhitePointChromaticity },
428 { 0x8303, FF_MXF_MasteringDisplayMaximumLuminance },
429 { 0x8304, FF_MXF_MasteringDisplayMinimumLuminance },
430 // FFV1
431 { 0xDFD9, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x0C,0x06,0x00,0x00,0x00}}, /* FFV1 Micro-version */
432 { 0xDFDA, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x0C,0x05,0x00,0x00,0x00}}, /* FFV1 Version */
433 { 0xDFDB, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x0C,0x01,0x00,0x00,0x00}}, /* FFV1 Initialization Metadata */
434 // ff_mxf_jpeg2000_local_tags
435 { 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 */
436 { 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 */
437 { 0x8402, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x02,0x00,0x00,0x00}}, /* Xsiz: Width of the reference grid */
438 { 0x8403, {0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0a,0x04,0x01,0x06,0x03,0x03,0x00,0x00,0x00}}, /* Ysiz: Height of the reference grid */
439 { 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 */
440 { 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 */
441 { 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 */
442 { 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 */
443 { 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 */
444 { 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 */
445 { 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 */
446 { 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. */
447 { 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. */
448 };
449
450 #define MXF_NUM_TAGS FF_ARRAY_ELEMS(mxf_local_tag_batch)
451
452 typedef struct MXFContext {
453 AVClass *av_class;
454 int64_t footer_partition_offset;
455 int essence_container_count;
456 AVRational time_base;
457 int header_written;
458 MXFIndexEntry *index_entries;
459 unsigned edit_units_count;
460 uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
461 uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
462 int last_indexed_edit_unit;
463 uint64_t *body_partition_offset;
464 unsigned body_partitions_count;
465 int last_key_index; ///< index of last key frame
466 uint64_t duration;
467 AVTimecode tc; ///< timecode context
468 AVStream *timecode_track;
469 int timecode_base; ///< rounded time code base (25 or 30)
470 int edit_unit_byte_count; ///< fixed edit unit byte count
471 int content_package_rate; ///< content package rate in system element, see SMPTE 326M
472 uint64_t body_offset;
473 uint32_t instance_number;
474 uint8_t umid[16]; ///< unique material identifier
475 int channel_count;
476 int signal_standard;
477 uint32_t tagged_value_count;
478 AVRational audio_edit_rate;
479 int store_user_comments;
480 int track_instance_count; // used to generate MXFTrack uuids
481 int cbr_index; ///< use a constant bitrate index
482 uint8_t unused_tags[MXF_NUM_TAGS]; ///< local tags that we know will not be used
483 MXFStreamContext timecode_track_priv;
484 } MXFContext;
485
486 1754 static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
487 {
488 1754 avio_write(pb, uuid_base, 10);
489 1754 avio_wb16(pb, type);
490 1754 avio_wb32(pb, value);
491 1754 }
492
493 428 static void mxf_write_umid(AVFormatContext *s, int type)
494 {
495 428 MXFContext *mxf = s->priv_data;
496 428 avio_write(s->pb, umid_ul, 13);
497 428 avio_wb24(s->pb, mxf->instance_number);
498 428 avio_write(s->pb, mxf->umid, 15);
499 428 avio_w8(s->pb, type);
500 428 }
501
502 498 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
503 {
504 498 avio_wb32(pb, ref_count);
505 498 avio_wb32(pb, 16);
506 498 }
507
508 857 static int klv_ber_length(uint64_t len)
509 {
510
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 857 if (len < 128)
511 693 return 1;
512 else
513 164 return (av_log2(len) >> 3) + 2;
514 }
515
516 857 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
517 {
518 // Determine the best BER size
519 857 int size = klv_ber_length(len);
520
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 857 if (size == 1) {
521 //short form
522 693 avio_w8(pb, len);
523 693 return 1;
524 }
525
526 164 size --;
527 // long form
528 164 avio_w8(pb, 0x80 + size);
529
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 362 while(size) {
530 198 size--;
531 198 avio_w8(pb, len >> 8 * size & 0xff);
532 }
533 164 return 0;
534 }
535
536 2114 static void klv_encode_ber4_length(AVIOContext *pb, int len)
537 {
538 2114 avio_w8(pb, 0x80 + 3);
539 2114 avio_wb24(pb, len);
540 2114 }
541
542 6 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
543 {
544 6 avio_w8(pb, 0x80 + 8);
545 6 avio_wb64(pb, len);
546 6 }
547
548 /*
549 * Get essence container ul index
550 */
551 25 static int mxf_get_essence_container_ul_index(enum AVCodecID id)
552 {
553 int i;
554
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 73 for (i = 0; mxf_essence_mappings[i].id; i++)
555
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 73 if (mxf_essence_mappings[i].id == id)
556 25 return mxf_essence_mappings[i].index;
557 ✗ return -1;
558 }
559
560 6782 static const MXFLocalTagPair* mxf_lookup_local_tag(int tag)
561 {
562
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 306312 for (int i = 0; i < MXF_NUM_TAGS; i++) {
563
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 306312 if (mxf_local_tag_batch[i].local_tag == tag) {
564 6782 return &mxf_local_tag_batch[i];
565 }
566 }
567
568 // this assert can only be hit during development
569 ✗ av_assert0(0 && "you forgot to add your new tag to mxf_local_tag_batch");
570 return NULL;
571 }
572
573 884 static void mxf_mark_tag_unused(MXFContext *mxf, int tag)
574 {
575 884 const MXFLocalTagPair *pair = mxf_lookup_local_tag(tag);
576 884 mxf->unused_tags[pair - mxf_local_tag_batch] = 1;
577 884 }
578
579 34 static void mxf_write_primer_pack(AVFormatContext *s)
580 {
581 34 MXFContext *mxf = s->priv_data;
582 34 AVIOContext *pb = s->pb;
583 34 int local_tag_number = MXF_NUM_TAGS, i;
584 34 int will_have_avc_tags = 0, will_have_mastering_tags = 0, will_have_ffv1_tags = 0, will_have_jpeg2000_tags = 0;
585
586
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 92 for (i = 0; i < s->nb_streams; i++) {
587 58 MXFStreamContext *sc = s->streams[i]->priv_data;
588
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 58 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
589 ✗ will_have_avc_tags = 1;
590 }
591
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 58 if (av_packet_side_data_get(s->streams[i]->codecpar->coded_side_data,
592 58 s->streams[i]->codecpar->nb_coded_side_data,
593 AV_PKT_DATA_MASTERING_DISPLAY_METADATA)) {
594 2 will_have_mastering_tags = 1;
595 }
596
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 58 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_FFV1) {
597 2 will_have_ffv1_tags = 1;
598 }
599
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 58 if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_JPEG2000){
600 ✗ will_have_jpeg2000_tags = 1;
601 }
602 }
603
604
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 34 if (!mxf->store_user_comments) {
605 28 mxf_mark_tag_unused(mxf, 0x4406);
606 28 mxf_mark_tag_unused(mxf, 0x5001);
607 28 mxf_mark_tag_unused(mxf, 0x5003);
608 }
609
610
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 34 if (!will_have_avc_tags && !will_have_ffv1_tags) {
611 32 mxf_mark_tag_unused(mxf, 0x8100);
612 }
613
614
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 34 if (!will_have_avc_tags) {
615 34 mxf_mark_tag_unused(mxf, 0x8200);
616 34 mxf_mark_tag_unused(mxf, 0x8201);
617 34 mxf_mark_tag_unused(mxf, 0x8202);
618 }
619
620
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 34 if (!will_have_mastering_tags) {
621 32 mxf_mark_tag_unused(mxf, 0x8301);
622 32 mxf_mark_tag_unused(mxf, 0x8302);
623 32 mxf_mark_tag_unused(mxf, 0x8303);
624 32 mxf_mark_tag_unused(mxf, 0x8304);
625 }
626
627
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 34 if (!will_have_ffv1_tags) {
628 32 mxf_mark_tag_unused(mxf, 0xDFD9);
629 32 mxf_mark_tag_unused(mxf, 0xDFDA);
630 32 mxf_mark_tag_unused(mxf, 0xDFDB);
631 }
632
633
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 34 if (!will_have_jpeg2000_tags) {
634 34 mxf_mark_tag_unused(mxf, 0x8400);
635 34 mxf_mark_tag_unused(mxf, 0x8401);
636 34 mxf_mark_tag_unused(mxf, 0x8402);
637 34 mxf_mark_tag_unused(mxf, 0x8403);
638 34 mxf_mark_tag_unused(mxf, 0x8404);
639 34 mxf_mark_tag_unused(mxf, 0x8405);
640 34 mxf_mark_tag_unused(mxf, 0x8406);
641 34 mxf_mark_tag_unused(mxf, 0x8407);
642 34 mxf_mark_tag_unused(mxf, 0x8408);
643 34 mxf_mark_tag_unused(mxf, 0x8409);
644 34 mxf_mark_tag_unused(mxf, 0x840A);
645 34 mxf_mark_tag_unused(mxf, 0x840B);
646 34 mxf_mark_tag_unused(mxf, 0x840C);
647 }
648
649
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 4352 for (i = 0; i < MXF_NUM_TAGS; i++) {
650
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 4318 if (mxf->unused_tags[i]) {
651 884 local_tag_number--;
652 }
653 }
654
655 34 avio_write(pb, primer_pack_key, 16);
656 34 klv_encode_ber_length(pb, local_tag_number * 18 + 8);
657
658 34 avio_wb32(pb, local_tag_number); // local_tag num
659 34 avio_wb32(pb, 18); // item size, always 18 according to the specs
660
661
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 4352 for (i = 0; i < MXF_NUM_TAGS; i++) {
662
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 4318 if (mxf->unused_tags[i] == 0) {
663 3434 avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
664 3434 avio_write(pb, mxf_local_tag_batch[i].uid, 16);
665 }
666 }
667 34 }
668
669 5898 static void mxf_write_local_tag(AVFormatContext *s, int size, int tag)
670 {
671 5898 MXFContext *mxf = s->priv_data;
672 5898 AVIOContext *pb = s->pb;
673 5898 const MXFLocalTagPair *pair = mxf_lookup_local_tag(tag);
674
675 // make sure the tag was not declared unnecessary upfront
676
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 5898 av_assert0(mxf->unused_tags[pair - mxf_local_tag_batch] == 0);
677
678 5898 avio_wb16(pb, tag);
679 5898 avio_wb16(pb, size);
680 5898 }
681
682 806 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
683 {
684 806 avio_write(pb, header_metadata_key, 13);
685 806 avio_wb24(pb, value);
686 806 }
687
688 336 static const MXFCodecUL *mxf_get_codec_ul_by_id(const MXFCodecUL *uls, int id)
689 {
690
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 1266 while (uls->uid[0]) {
691
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 1184 if (id == uls->id)
692 254 break;
693 930 uls++;
694 }
695 336 return uls;
696 }
697
698 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
699 #define DESCRIPTOR_COUNT(essence_container_count) \
700 (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
701
702 100 static void mxf_write_essence_container_refs(AVFormatContext *s)
703 {
704 100 MXFContext *c = s->priv_data;
705 100 AVIOContext *pb = s->pb;
706 int i;
707
708
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 100 mxf_write_refs_count(pb, DESCRIPTOR_COUNT(c->essence_container_count));
709 100 av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
710
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 220 for (i = 0; i < s->nb_streams; i++) {
711 163 MXFStreamContext *sc = s->streams[i]->priv_data;
712 // check first track of essence container type and only write it once
713
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 163 if (sc->track_essence_element_key[15] != 0)
714 6 continue;
715 157 avio_write(pb, *sc->container_ul, 16);
716
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 157 if (c->essence_container_count == 1)
717 43 break;
718 }
719
720
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 100 if (c->essence_container_count > 1)
721 57 avio_write(pb, multiple_desc_ul, 16);
722 100 }
723
724 34 static void mxf_write_preface(AVFormatContext *s)
725 {
726 34 MXFContext *mxf = s->priv_data;
727 34 AVIOContext *pb = s->pb;
728
729 34 mxf_write_metadata_key(pb, 0x012f00);
730 PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
731
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 34 klv_encode_ber_length(pb, 138 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
732
733 // write preface set uid
734 34 mxf_write_local_tag(s, 16, 0x3C0A);
735 34 mxf_write_uuid(pb, Preface, 0);
736 PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
737
738 // last modified date
739 34 mxf_write_local_tag(s, 8, 0x3B02);
740 34 avio_wb64(pb, mxf->timestamp);
741
742 // write version
743 34 mxf_write_local_tag(s, 2, 0x3B05);
744 34 avio_wb16(pb, 259); // v1.3
745
746 // Object Model Version
747 34 mxf_write_local_tag(s, 4, 0x3B07);
748 34 avio_wb32(pb, 1);
749
750 // write identification_refs
751 34 mxf_write_local_tag(s, 16 + 8, 0x3B06);
752 34 mxf_write_refs_count(pb, 1);
753 34 mxf_write_uuid(pb, Identification, 0);
754
755 // write content_storage_refs
756 34 mxf_write_local_tag(s, 16, 0x3B03);
757 34 mxf_write_uuid(pb, ContentStorage, 0);
758
759 // operational pattern
760 34 mxf_write_local_tag(s, 16, 0x3B09);
761
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 34 if (IS_OPATOM(s))
762 6 avio_write(pb, opatom_ul, 16);
763 else
764 28 avio_write(pb, op1a_ul, 16);
765
766 // write essence_container_refs
767
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 34 mxf_write_local_tag(s, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
768 34 mxf_write_essence_container_refs(s);
769
770 // write dm_scheme_refs
771 34 mxf_write_local_tag(s, 8, 0x3B0B);
772 34 avio_wb64(pb, 0);
773 34 }
774
775 /*
776 * Returns the length of the UTF-16 string, in 16-bit characters, that would result
777 * from decoding the utf-8 string.
778 */
779 294 static uint64_t mxf_utf16len(const char *utf8_str)
780 {
781 294 const uint8_t *q = utf8_str;
782 294 uint64_t size = 0;
783
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 2160 while (*q) {
784 uint32_t ch;
785
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 1866 GET_UTF8(ch, *q++, goto invalid;)
786
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 1866 if (ch < 0x10000)
787 1866 size++;
788 else
789 ✗ size += 2;
790 1866 continue;
791 ✗ invalid:
792 ✗ av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
793 }
794 294 size += 1;
795 294 return size;
796 }
797
798 /*
799 * Returns the calculated length a local tag containing an utf-8 string as utf-16
800 */
801 218 static int mxf_utf16_local_tag_length(const char *utf8_str)
802 {
803 uint64_t size;
804
805
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 218 if (!utf8_str)
806 68 return 0;
807
808 150 size = mxf_utf16len(utf8_str);
809
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 150 if (size >= UINT16_MAX/2) {
810 ✗ av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
811 ✗ return 0;
812 }
813
814 150 return 4 + size * 2;
815 }
816
817 /*
818 * Write a local tag containing an utf-8 string as utf-16
819 */
820 144 static void mxf_write_local_tag_utf16(AVFormatContext *s, int tag, const char *value)
821 {
822 144 AVIOContext *pb = s->pb;
823 144 uint64_t size = mxf_utf16len(value);
824
825
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 144 if (size >= UINT16_MAX/2) {
826 ✗ av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
827 ✗ return;
828 }
829
830 144 mxf_write_local_tag(s, size*2, tag);
831 144 avio_put_str16be(pb, value);
832 }
833
834 68 static void store_version(AVFormatContext *s){
835 68 AVIOContext *pb = s->pb;
836
837
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 68 if (s->flags & AVFMT_FLAG_BITEXACT) {
838 68 avio_wb16(pb, 0); // major
839 68 avio_wb16(pb, 0); // minor
840 68 avio_wb16(pb, 0); // tertiary
841 } else {
842 ✗ avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
843 ✗ avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
844 ✗ avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
845 }
846 68 avio_wb16(pb, 0); // patch
847 68 avio_wb16(pb, 0); // release
848 68 }
849
850 #define PLATFORM_IDENT "Lavf " AV_STRINGIFY((OS_NAME))
851 34 static void mxf_write_identification(AVFormatContext *s)
852 {
853 34 MXFContext *mxf = s->priv_data;
854 34 AVIOContext *pb = s->pb;
855 34 AVDictionaryEntry *com_entry = av_dict_get(s->metadata, "company_name", NULL, 0);
856 34 AVDictionaryEntry *product_entry = av_dict_get(s->metadata, "product_name", NULL, 0);
857 34 AVDictionaryEntry *version_entry = av_dict_get(s->metadata, "product_version", NULL, 0);
858
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 34 const char *company = com_entry ? com_entry->value : "FFmpeg";
859
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 34 const char *product = product_entry ? product_entry->value : !IS_OPATOM(s) ? "OP1a Muxer" : "OPAtom Muxer";
860
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 34 const char *platform = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : PLATFORM_IDENT;
861
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 66 const char *version = version_entry ? version_entry->value :
862
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 32 s->flags & AVFMT_FLAG_BITEXACT ? "0.0.0" :
863 AV_STRINGIFY(LIBAVFORMAT_VERSION);
864 int length;
865
866 34 mxf_write_metadata_key(pb, 0x013000);
867 PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
868
869 34 length = 100 +mxf_utf16_local_tag_length(company) +
870 34 mxf_utf16_local_tag_length(product) +
871 34 mxf_utf16_local_tag_length(platform) +
872 34 mxf_utf16_local_tag_length(version);
873 34 klv_encode_ber_length(pb, length);
874
875 // write uid
876 34 mxf_write_local_tag(s, 16, 0x3C0A);
877 34 mxf_write_uuid(pb, Identification, 0);
878 PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
879
880 // write generation uid
881 34 mxf_write_local_tag(s, 16, 0x3C09);
882 34 mxf_write_uuid(pb, Identification, 1);
883 34 mxf_write_local_tag_utf16(s, 0x3C01, company); // Company Name
884 34 mxf_write_local_tag_utf16(s, 0x3C02, product); // Product Name
885
886 34 mxf_write_local_tag(s, 10, 0x3C03); // Product Version
887 34 store_version(s);
888
889 34 mxf_write_local_tag_utf16(s, 0x3C04, version); // Version String
890 34 mxf_write_local_tag_utf16(s, 0x3C08, platform); // Platform
891
892 // write product uid
893 34 mxf_write_local_tag(s, 16, 0x3C05);
894 34 avio_write(pb, product_uid, 16);
895
896 // modification date
897 34 mxf_write_local_tag(s, 8, 0x3C06);
898 34 avio_wb64(pb, mxf->timestamp);
899
900 34 mxf_write_local_tag(s, 10, 0x3C07); // Toolkit Version
901 34 store_version(s);
902 34 }
903
904 34 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
905 {
906 34 AVIOContext *pb = s->pb;
907 int i;
908
909 34 mxf_write_metadata_key(pb, 0x011800);
910 PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
911 34 klv_encode_ber_length(pb, 60 + (16 * package_count));
912
913 // write uid
914 34 mxf_write_local_tag(s, 16, 0x3C0A);
915 34 mxf_write_uuid(pb, ContentStorage, 0);
916 PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
917
918 // write package reference
919 34 mxf_write_local_tag(s, 16 * package_count + 8, 0x1901);
920 34 mxf_write_refs_count(pb, package_count);
921
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 104 for (i = 0; i < package_count; i++) {
922 70 mxf_write_uuid(pb, packages[i].type, packages[i].instance);
923 }
924
925 // write essence container data
926 34 mxf_write_local_tag(s, 8 + 16, 0x1902);
927 34 mxf_write_refs_count(pb, 1);
928 34 mxf_write_uuid(pb, EssenceContainerData, 0);
929 34 }
930
931 190 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
932 {
933 190 MXFContext *mxf = s->priv_data;
934 190 AVIOContext *pb = s->pb;
935 190 MXFStreamContext *sc = st->priv_data;
936
937 190 mxf_write_metadata_key(pb, 0x013b00);
938 PRINT_KEY(s, "track key", pb->buf_ptr - 16);
939 190 klv_encode_ber_length(pb, 80);
940
941 // write track uid
942 190 mxf_write_local_tag(s, 16, 0x3C0A);
943 190 mxf_write_uuid(pb, Track, mxf->track_instance_count);
944 PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
945
946 // write track id
947 190 mxf_write_local_tag(s, 4, 0x4801);
948 190 avio_wb32(pb, st->index+2);
949
950 // write track number
951 190 mxf_write_local_tag(s, 4, 0x4804);
952
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 190 if (package->type == MaterialPackage)
953 92 avio_wb32(pb, 0); // track number of material package is 0
954 else
955 98 avio_write(pb, sc->track_essence_element_key + 12, 4);
956
957 // write edit rate
958 190 mxf_write_local_tag(s, 8, 0x4B01);
959
960
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 190 if (st == mxf->timecode_track && IS_OPATOM(s)) {
961 12 avio_wb32(pb, mxf->tc.rate.num);
962 12 avio_wb32(pb, mxf->tc.rate.den);
963 } else {
964 178 avio_wb32(pb, mxf->time_base.den);
965 178 avio_wb32(pb, mxf->time_base.num);
966 }
967
968 // write origin
969 190 mxf_write_local_tag(s, 8, 0x4B02);
970 190 avio_wb64(pb, 0);
971
972 // write sequence refs
973 190 mxf_write_local_tag(s, 16, 0x4803);
974 190 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
975 190 }
976
977 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 };
978
979 380 static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
980 {
981 380 MXFContext *mxf = s->priv_data;
982 380 AVIOContext *pb = s->pb;
983
984 // find data define uls
985 380 mxf_write_local_tag(s, 16, 0x0201);
986
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 380 if (st == mxf->timecode_track)
987 140 avio_write(pb, smpte_12m_timecode_track_data_ul, 16);
988 else {
989 240 const MXFCodecUL *data_def_ul = mxf_get_codec_ul_by_id(ff_mxf_data_definition_uls, st->codecpar->codec_type);
990 240 avio_write(pb, data_def_ul->uid, 16);
991 }
992
993 // write duration
994 380 mxf_write_local_tag(s, 8, 0x0202);
995
996
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 380 if (st != mxf->timecode_track && IS_OPATOM(s) && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
997 8 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
998 } else {
999 372 avio_wb64(pb, mxf->duration);
1000 }
1001 380 }
1002
1003 190 static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
1004 {
1005 190 MXFContext *mxf = s->priv_data;
1006 190 AVIOContext *pb = s->pb;
1007 enum MXFMetadataSetType component;
1008
1009 190 mxf_write_metadata_key(pb, 0x010f00);
1010 PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
1011 190 klv_encode_ber_length(pb, 80);
1012
1013 190 mxf_write_local_tag(s, 16, 0x3C0A);
1014 190 mxf_write_uuid(pb, Sequence, mxf->track_instance_count);
1015
1016 PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
1017 190 mxf_write_common_fields(s, st);
1018
1019 // write structural component
1020 190 mxf_write_local_tag(s, 16 + 8, 0x1001);
1021 190 mxf_write_refs_count(pb, 1);
1022
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 190 if (st == mxf->timecode_track)
1023 70 component = TimecodeComponent;
1024 else
1025 120 component = SourceClip;
1026
1027 190 mxf_write_uuid(pb, component, mxf->track_instance_count);
1028 190 }
1029
1030 70 static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1031 {
1032 70 MXFContext *mxf = s->priv_data;
1033 70 AVIOContext *pb = s->pb;
1034
1035 70 mxf_write_metadata_key(pb, 0x011400);
1036 70 klv_encode_ber_length(pb, 75);
1037
1038 // UID
1039 70 mxf_write_local_tag(s, 16, 0x3C0A);
1040 70 mxf_write_uuid(pb, TimecodeComponent, mxf->track_instance_count);
1041
1042 70 mxf_write_common_fields(s, st);
1043
1044 // Start Time Code
1045 70 mxf_write_local_tag(s, 8, 0x1501);
1046 70 avio_wb64(pb, mxf->tc.start);
1047
1048 // Rounded Time Code Base
1049 70 mxf_write_local_tag(s, 2, 0x1502);
1050 70 avio_wb16(pb, mxf->timecode_base);
1051
1052 // Drop Frame
1053 70 mxf_write_local_tag(s, 1, 0x1503);
1054 70 avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
1055 70 }
1056
1057 120 static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
1058 {
1059 120 MXFContext *mxf = s->priv_data;
1060 120 AVIOContext *pb = s->pb;
1061
1062 120 mxf_write_metadata_key(pb, 0x011100);
1063 PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
1064 120 klv_encode_ber_length(pb, 108);
1065
1066 // write uid
1067 120 mxf_write_local_tag(s, 16, 0x3C0A);
1068 120 mxf_write_uuid(pb, SourceClip, mxf->track_instance_count);
1069
1070 PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
1071 120 mxf_write_common_fields(s, st);
1072
1073 // write start_position
1074 120 mxf_write_local_tag(s, 8, 0x1201);
1075 120 avio_wb64(pb, 0);
1076
1077 // write source package uid, end of the reference
1078 120 mxf_write_local_tag(s, 32, 0x1101);
1079
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 120 if (!package->ref) {
1080 58 ffio_fill(pb, 0, 32);
1081 } else
1082 62 mxf_write_umid(s, package->ref->instance);
1083
1084 // write source track id
1085 120 mxf_write_local_tag(s, 4, 0x1102);
1086
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 120 if (package->type == SourcePackage && !package->ref)
1087 58 avio_wb32(pb, 0);
1088 else
1089 62 avio_wb32(pb, st->index+2);
1090 120 }
1091
1092 2 static void mxf_write_tape_descriptor(AVFormatContext *s)
1093 {
1094 2 AVIOContext *pb = s->pb;
1095
1096 2 mxf_write_metadata_key(pb, 0x012e00);
1097 PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
1098 2 klv_encode_ber_length(pb, 20);
1099 2 mxf_write_local_tag(s, 16, 0x3C0A);
1100 2 mxf_write_uuid(pb, TapeDescriptor, 0);
1101 PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
1102 2 }
1103
1104
1105 22 static void mxf_write_multi_descriptor(AVFormatContext *s)
1106 {
1107 22 MXFContext *mxf = s->priv_data;
1108 22 AVIOContext *pb = s->pb;
1109 const uint8_t *ul;
1110 int i;
1111
1112 22 mxf_write_metadata_key(pb, 0x014400);
1113 PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
1114 22 klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
1115
1116 22 mxf_write_local_tag(s, 16, 0x3C0A);
1117 22 mxf_write_uuid(pb, MultipleDescriptor, 0);
1118 PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
1119
1120 // write sample rate
1121 22 mxf_write_local_tag(s, 8, 0x3001);
1122 22 avio_wb32(pb, mxf->time_base.den);
1123 22 avio_wb32(pb, mxf->time_base.num);
1124
1125 // write essence container ul
1126 22 mxf_write_local_tag(s, 16, 0x3004);
1127
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 22 if (mxf->essence_container_count > 1)
1128 20 ul = multiple_desc_ul;
1129 else {
1130 2 MXFStreamContext *sc = s->streams[0]->priv_data;
1131 2 ul = *sc->container_ul;
1132 }
1133 22 avio_write(pb, ul, 16);
1134
1135 // write sub descriptor refs
1136 22 mxf_write_local_tag(s, s->nb_streams * 16 + 8, 0x3F01);
1137 22 mxf_write_refs_count(pb, s->nb_streams);
1138
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 68 for (i = 0; i < s->nb_streams; i++)
1139 46 mxf_write_uuid(pb, SubDescriptor, i);
1140 22 }
1141
1142 58 static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
1143 {
1144 58 MXFContext *mxf = s->priv_data;
1145 58 MXFStreamContext *sc = st->priv_data;
1146 58 AVIOContext *pb = s->pb;
1147 int64_t pos;
1148
1149 58 avio_write(pb, key, 16);
1150 58 klv_encode_ber4_length(pb, 0);
1151 58 pos = avio_tell(pb);
1152
1153 58 mxf_write_local_tag(s, 16, 0x3C0A);
1154 58 mxf_write_uuid(pb, SubDescriptor, st->index);
1155
1156 58 mxf_write_local_tag(s, 4, 0x3006);
1157 58 avio_wb32(pb, st->index+2);
1158
1159 58 mxf_write_local_tag(s, 8, 0x3001);
1160
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 58 if (IS_D10(s)) {
1161 6 avio_wb32(pb, mxf->time_base.den);
1162 6 avio_wb32(pb, mxf->time_base.num);
1163 } else {
1164
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 52 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1165
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 32 st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
1166 24 avio_wb32(pb, st->codecpar->sample_rate);
1167 24 avio_wb32(pb, 1);
1168 } else {
1169 28 avio_wb32(pb, mxf->time_base.den);
1170 28 avio_wb32(pb, mxf->time_base.num);
1171 }
1172 }
1173
1174 58 mxf_write_local_tag(s, 16, 0x3004);
1175 58 avio_write(pb, *sc->container_ul, 16);
1176
1177 58 return pos;
1178 }
1179
1180 static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 };
1181 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1182 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1183 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1184 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1185 static const UID mxf_rgba_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x29,0x00 };
1186 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1187
1188 static const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 };
1189 static const UID mxf_ffv1_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x81,0x03 };
1190 static const UID mxf_jpeg2000_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x5A,0x00};
1191
1192 16 static inline uint16_t rescale_mastering_chroma(AVRational q)
1193 {
1194 16 return av_clip_uint16(av_rescale(q.num, FF_MXF_MASTERING_CHROMA_DEN, q.den));
1195 }
1196
1197 4 static inline uint32_t rescale_mastering_luma(AVRational q)
1198 {
1199 4 return av_rescale(q.num, FF_MXF_MASTERING_LUMA_DEN, q.den);
1200 }
1201
1202 32 static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
1203 {
1204 32 MXFStreamContext *sc = st->priv_data;
1205 32 AVIOContext *pb = s->pb;
1206 32 int stored_width = st->codecpar->width;
1207 32 int stored_height = st->codecpar->height;
1208 int display_width;
1209 int display_height;
1210 int f1, f2;
1211 const MXFCodecUL *color_primaries_ul;
1212 const MXFCodecUL *color_trc_ul;
1213 const MXFCodecUL *color_space_ul;
1214 32 int64_t pos = mxf_write_generic_desc(s, st, key);
1215 const AVPacketSideData *side_data;
1216
1217 32 color_primaries_ul = mxf_get_codec_ul_by_id(ff_mxf_color_primaries_uls, st->codecpar->color_primaries);
1218 32 color_trc_ul = mxf_get_codec_ul_by_id(ff_mxf_color_trc_uls, st->codecpar->color_trc);
1219 32 color_space_ul = mxf_get_codec_ul_by_id(ff_mxf_color_space_uls, st->codecpar->color_space);
1220
1221
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 32 if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
1222
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 6 if (st->codecpar->height == 1080)
1223 2 stored_width = 1920;
1224
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 4 else if (st->codecpar->height == 720)
1225 ✗ stored_width = 1280;
1226 }
1227 32 display_width = stored_width;
1228
1229
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 32 switch (st->codecpar->codec_id) {
1230 20 case AV_CODEC_ID_MPEG2VIDEO:
1231 case AV_CODEC_ID_H264:
1232 //Based on 16x16 macroblocks
1233 20 stored_width = (stored_width+15)/16*16;
1234 20 stored_height = (stored_height+15)/16*16;
1235 20 break;
1236 12 default:
1237 12 break;
1238 }
1239
1240 //Stored width
1241 32 mxf_write_local_tag(s, 4, 0x3203);
1242 32 avio_wb32(pb, stored_width);
1243
1244 //Stored height
1245 32 mxf_write_local_tag(s, 4, 0x3202);
1246 32 avio_wb32(pb, stored_height>>sc->interlaced);
1247
1248
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 32 if (IS_D10(s)) {
1249 //Stored F2 Offset
1250 4 mxf_write_local_tag(s, 4, 0x3216);
1251 4 avio_wb32(pb, 0);
1252
1253 //Image Start Offset
1254 4 mxf_write_local_tag(s, 4, 0x3213);
1255 4 avio_wb32(pb, 0);
1256
1257 //Image End Offset
1258 4 mxf_write_local_tag(s, 4, 0x3214);
1259 4 avio_wb32(pb, 0);
1260 }
1261
1262 //Sampled width
1263 32 mxf_write_local_tag(s, 4, 0x3205);
1264 32 avio_wb32(pb, display_width);
1265
1266 //Samples height
1267 32 mxf_write_local_tag(s, 4, 0x3204);
1268 32 avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1269
1270 //Sampled X Offset
1271 32 mxf_write_local_tag(s, 4, 0x3206);
1272 32 avio_wb32(pb, 0);
1273
1274 //Sampled Y Offset
1275 32 mxf_write_local_tag(s, 4, 0x3207);
1276 32 avio_wb32(pb, 0);
1277
1278 //Display width
1279 32 mxf_write_local_tag(s, 4, 0x3209);
1280 32 avio_wb32(pb, display_width);
1281
1282
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 32 if (st->codecpar->height == 608) // PAL + VBI
1283 8 display_height = 576;
1284
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 24 else if (st->codecpar->height == 512) // NTSC + VBI
1285 ✗ display_height = 486;
1286 else
1287 24 display_height = st->codecpar->height;
1288
1289 //Display height
1290 32 mxf_write_local_tag(s, 4, 0x3208);
1291 32 avio_wb32(pb, display_height>>sc->interlaced);
1292
1293 // display X offset
1294 32 mxf_write_local_tag(s, 4, 0x320A);
1295 32 avio_wb32(pb, 0);
1296
1297 // display Y offset
1298 32 mxf_write_local_tag(s, 4, 0x320B);
1299 32 avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1300
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 32 if (sc->interlaced) {
1302 //Display F2 Offset
1303 14 mxf_write_local_tag(s, 4, 0x3217);
1304 14 avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1305 }
1306
1307
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 32 if (key != mxf_rgba_descriptor_key) {
1308 // component depth
1309 32 mxf_write_local_tag(s, 4, 0x3301);
1310 32 avio_wb32(pb, sc->component_depth);
1311
1312 // horizontal subsampling
1313 32 mxf_write_local_tag(s, 4, 0x3302);
1314 32 avio_wb32(pb, sc->h_chroma_sub_sample);
1315
1316 // vertical subsampling
1317 32 mxf_write_local_tag(s, 4, 0x3308);
1318 32 avio_wb32(pb, sc->v_chroma_sub_sample);
1319
1320 // color siting
1321 32 mxf_write_local_tag(s, 1, 0x3303);
1322 32 avio_w8(pb, sc->color_siting);
1323
1324 // Padding Bits
1325 32 mxf_write_local_tag(s, 2, 0x3307);
1326 32 avio_wb16(pb, 0);
1327
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 32 if (st->codecpar->color_range != AVCOL_RANGE_UNSPECIFIED) {
1329 32 int black = 0,
1330 32 white = (1<<sc->component_depth) - 1,
1331 32 color = (1<<sc->component_depth);
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 32 if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1333 32 black = 1 << (sc->component_depth - 4);
1334 32 white = 235 << (sc->component_depth - 8);
1335 32 color = (14 << (sc->component_depth - 4)) + 1;
1336 }
1337 32 mxf_write_local_tag(s, 4, 0x3304);
1338 32 avio_wb32(pb, black);
1339 32 mxf_write_local_tag(s, 4, 0x3305);
1340 32 avio_wb32(pb, white);
1341 32 mxf_write_local_tag(s, 4, 0x3306);
1342 32 avio_wb32(pb, color);
1343 }
1344 }
1345
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 32 if (sc->signal_standard) {
1347 4 mxf_write_local_tag(s, 1, 0x3215);
1348 4 avio_w8(pb, sc->signal_standard);
1349 }
1350
1351 // frame layout
1352 32 mxf_write_local_tag(s, 1, 0x320C);
1353 32 avio_w8(pb, sc->interlaced);
1354
1355 // video line map
1356
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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;
1358 8 case 608: f1 = 7; f2 = 320; break;
1359 ✗ case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1360 ✗ case 512: f1 = 7; f2 = 270; break;
1361 4 case 720: f1 = 26; f2 = 0; break; // progressive
1362 4 case 1080: f1 = 21; f2 = 584; break;
1363 8 default: f1 = 0; f2 = 0; break;
1364 }
1365
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 32 if (!sc->interlaced && f2) {
1367 6 f2 = 0;
1368 6 f1 *= 2;
1369 }
1370
1371
1372 32 mxf_write_local_tag(s, 16, 0x320D);
1373 32 avio_wb32(pb, 2);
1374 32 avio_wb32(pb, 4);
1375 32 avio_wb32(pb, f1);
1376 32 avio_wb32(pb, f2);
1377
1378 32 mxf_write_local_tag(s, 8, 0x320E);
1379 32 avio_wb32(pb, sc->aspect_ratio.num);
1380 32 avio_wb32(pb, sc->aspect_ratio.den);
1381
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 32 if (color_primaries_ul->uid[0]) {
1383 2 mxf_write_local_tag(s, 16, 0x3219);
1384 2 avio_write(pb, color_primaries_ul->uid, 16);
1385 };
1386
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 32 if (color_trc_ul->uid[0]) {
1388 10 mxf_write_local_tag(s, 16, 0x3210);
1389 10 avio_write(pb, color_trc_ul->uid, 16);
1390 };
1391
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 32 if (color_space_ul->uid[0]) {
1393 2 mxf_write_local_tag(s, 16, 0x321A);
1394 2 avio_write(pb, color_space_ul->uid, 16);
1395 };
1396
1397 32 mxf_write_local_tag(s, 16, 0x3201);
1398 32 avio_write(pb, *sc->codec_ul, 16);
1399
1400 // Mastering Display metadata
1401 32 side_data = av_packet_side_data_get(st->codecpar->coded_side_data,
1402 32 st->codecpar->nb_coded_side_data,
1403 AV_PKT_DATA_MASTERING_DISPLAY_METADATA);
1404
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 32 if (side_data) {
1405 2 const AVMasteringDisplayMetadata *metadata = (const AVMasteringDisplayMetadata*)side_data->data;
1406
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 2 if (metadata->has_primaries) {
1407 2 mxf_write_local_tag(s, 12, 0x8301);
1408 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[0][0]));
1409 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[0][1]));
1410 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[1][0]));
1411 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[1][1]));
1412 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[2][0]));
1413 2 avio_wb16(pb, rescale_mastering_chroma(metadata->display_primaries[2][1]));
1414 2 mxf_write_local_tag(s, 4, 0x8302);
1415 2 avio_wb16(pb, rescale_mastering_chroma(metadata->white_point[0]));
1416 2 avio_wb16(pb, rescale_mastering_chroma(metadata->white_point[1]));
1417 } else {
1418 ✗ av_log(NULL, AV_LOG_VERBOSE, "Not writing mastering display primaries. Missing data.\n");
1419 }
1420
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 2 if (metadata->has_luminance) {
1421 2 mxf_write_local_tag(s, 4, 0x8303);
1422 2 avio_wb32(pb, rescale_mastering_luma(metadata->max_luminance));
1423 2 mxf_write_local_tag(s, 4, 0x8304);
1424 2 avio_wb32(pb, rescale_mastering_luma(metadata->min_luminance));
1425 } else {
1426 ✗ av_log(NULL, AV_LOG_VERBOSE, "Not writing mastering display luminances. Missing data.\n");
1427 }
1428 }
1429
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 32 if (sc->interlaced && sc->field_dominance) {
1431 8 mxf_write_local_tag(s, 1, 0x3212);
1432 8 avio_w8(pb, sc->field_dominance);
1433 }
1434
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 32 if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
1436 // write avc sub descriptor ref
1437 ✗ mxf_write_local_tag(s, 8 + 16, 0x8100);
1438 ✗ mxf_write_refs_count(pb, 1);
1439 ✗ mxf_write_uuid(pb, AVCSubDescriptor, 0);
1440 }
1441
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 32 if (st->codecpar->codec_id == AV_CODEC_ID_FFV1) {
1443 // write ffv1 sub descriptor ref
1444 2 mxf_write_local_tag(s, 8 + 16, 0x8100);
1445 2 mxf_write_refs_count(pb, 1);
1446 2 mxf_write_uuid(pb, FFV1SubDescriptor, 0);
1447 }
1448
1449 32 return pos;
1450 }
1451
1452 82 static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
1453 {
1454 82 int64_t cur_pos = avio_tell(pb);
1455 82 int size = cur_pos - pos;
1456 82 avio_seek(pb, pos - 4, SEEK_SET);
1457 82 klv_encode_ber4_length(pb, size);
1458 82 avio_seek(pb, cur_pos, SEEK_SET);
1459 82 }
1460
1461 ✗ static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st)
1462 {
1463 ✗ AVIOContext *pb = s->pb;
1464 int64_t pos;
1465
1466 ✗ avio_write(pb, mxf_avc_subdescriptor_key, 16);
1467 ✗ klv_encode_ber4_length(pb, 0);
1468 ✗ pos = avio_tell(pb);
1469
1470 ✗ mxf_write_local_tag(s, 16, 0x3C0A);
1471 ✗ mxf_write_uuid(pb, AVCSubDescriptor, 0);
1472
1473 ✗ mxf_write_local_tag(s, 1, 0x8200);
1474 ✗ avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown
1475
1476 ✗ mxf_write_local_tag(s, 1, 0x8201);
1477 ✗ avio_w8(pb, st->codecpar->profile); // AVC Profile
1478
1479 ✗ mxf_write_local_tag(s, 1, 0x8202);
1480 ✗ avio_w8(pb, st->codecpar->level); // AVC Level
1481
1482 ✗ mxf_update_klv_size(s->pb, pos);
1483 ✗ }
1484
1485 ✗ static void mxf_write_jpeg2000_subdesc(AVFormatContext *s, AVStream *st)
1486 {
1487 ✗ MXFStreamContext *sc = st->priv_data;
1488 ✗ AVIOContext *pb = s->pb;
1489 int64_t pos;
1490 ✗ int component_count = av_pix_fmt_count_planes(st->codecpar->format);
1491
1492 /* JPEG2000 subdescriptor key */
1493 ✗ avio_write(pb, mxf_jpeg2000_subdescriptor_key, 16);
1494 ✗ klv_encode_ber4_length(pb, 0);
1495 ✗ pos = avio_tell(pb);
1496
1497 ✗ mxf_write_local_tag(s, 16, 0x3C0A);
1498 ✗ mxf_write_uuid(pb, JPEG2000SubDescriptor, 0);
1499
1500 /* Value defining the decoder capabilities (rsiz) */
1501 ✗ mxf_write_local_tag(s, 2, 0x8401);
1502 ✗ avio_wb16(pb, sc->j2k_info.j2k_rsiz);
1503 /* Width of the JPEG2000 reference grid (Xsiz) */
1504 ✗ mxf_write_local_tag(s, 4, 0x8402);
1505 ✗ avio_wb32(pb, st->codecpar->width);
1506 /* Height of the JPEG2000 reference grid (Ysiz) */
1507 ✗ mxf_write_local_tag(s, 4, 0x8403);
1508 ✗ avio_wb32(pb, st->codecpar->height);
1509 /* Horizontal offset from the reference grid origin to the left side of the image area (X0siz) */
1510 ✗ mxf_write_local_tag(s, 4, 0x8404);
1511 ✗ avio_wb32(pb, sc->j2k_info.j2k_x0siz);
1512 /* Vertical offset from the reference grid origin to the left side of the image area (Y0siz) */
1513 ✗ mxf_write_local_tag(s, 4, 0x8405);
1514 ✗ avio_wb32(pb, sc->j2k_info.j2k_y0siz);
1515 /* Width of one reference tile with respect to the reference grid (XTsiz) */
1516 ✗ mxf_write_local_tag(s, 4, 0x8406);
1517 ✗ avio_wb32(pb, sc->j2k_info.j2k_xtsiz);
1518 /* Height of one reference tile with respect to the reference grid (YTsiz) */
1519 ✗ mxf_write_local_tag(s, 4, 0x8407);
1520 ✗ avio_wb32(pb, sc->j2k_info.j2k_ytsiz);
1521 /* Horizontal offset from the origin of the reference grid to the left side of the first tile (XT0siz) */
1522 ✗ mxf_write_local_tag(s, 4, 0x8408);
1523 ✗ avio_wb32(pb, sc->j2k_info.j2k_xt0siz);
1524 /* Vertical offset from the origin of the reference grid to the left side of the first tile (YT0siz) */
1525 ✗ mxf_write_local_tag(s, 4, 0x8409);
1526 ✗ avio_wb32(pb, sc->j2k_info.j2k_yt0siz);
1527 /* Image components number (Csiz) */
1528 ✗ mxf_write_local_tag(s, 2, 0x840A);
1529 ✗ avio_wb16(pb, component_count);
1530 /* Array of picture components where each component comprises 3 bytes named Ssiz(i) (Pixel bitdepth - 1),
1531 XRSiz(i) (Horizontal sampling), YRSiz(i) (Vertical sampling). The array of 3-byte groups is preceded
1532 by the array header comprising a 4-byte value of the number of components followed by a 4-byte
1533 value of 3. */
1534 ✗ mxf_write_local_tag(s, 8 + 3*component_count, 0x840B);
1535 ✗ avio_wb32(pb, component_count);
1536 ✗ avio_wb32(pb, 3);
1537 ✗ avio_write(pb, sc->j2k_info.j2k_comp_desc, 3*component_count);
1538
1539 ✗ mxf_update_klv_size(pb, pos);
1540 ✗ }
1541
1542 14 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
1543 {
1544 14 int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1545 14 mxf_update_klv_size(s->pb, pos);
1546
1547
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 14 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
1548 ✗ mxf_write_avc_subdesc(s, st);
1549 }
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 14 if (st->codecpar->codec_id == AV_CODEC_ID_JPEG2000) {
1551 ✗ mxf_write_jpeg2000_subdesc(s, st);
1552 }
1553 14 }
1554
1555 ✗ static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st)
1556 {
1557 ✗ MXFStreamContext *sc = st->priv_data;
1558 ✗ if (sc->avc_intra) {
1559 ✗ mxf_write_mpegvideo_desc(s, st);
1560 } else {
1561 ✗ int64_t pos = mxf_write_cdci_common(s, st, mxf_cdci_descriptor_key);
1562 ✗ mxf_update_klv_size(s->pb, pos);
1563 ✗ mxf_write_avc_subdesc(s, st);
1564 }
1565 ✗ }
1566
1567 2 static void mxf_write_ffv1_subdesc(AVFormatContext *s, AVStream *st)
1568 {
1569 2 AVIOContext *pb = s->pb;
1570 2 MXFStreamContext *sc = st->priv_data;
1571 int64_t pos;
1572
1573 2 avio_write(pb, mxf_ffv1_subdescriptor_key, 16);
1574 2 klv_encode_ber4_length(pb, 0);
1575 2 pos = avio_tell(pb);
1576
1577 2 mxf_write_local_tag(s, 16, 0x3C0A);
1578 2 mxf_write_uuid(pb, FFV1SubDescriptor, 0);
1579
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 2 if (st->codecpar->extradata_size) {
1581 2 mxf_write_local_tag(s, st->codecpar->extradata_size, 0xDFDB);
1582 2 avio_write(pb, st->codecpar->extradata, st->codecpar->extradata_size); // FFV1InitializationMetadata
1583 }
1584
1585 2 mxf_write_local_tag(s, 2, 0xDFDA);
1586 2 avio_wb16(pb, (*sc->codec_ul)[14]); // FFV1Version
1587
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 2 if (st->codecpar->extradata_size) {
1589 2 mxf_write_local_tag(s, 2, 0xDFD9);
1590 2 avio_wb16(pb, sc->micro_version); // FFV1MicroVersion
1591 }
1592
1593 2 mxf_update_klv_size(s->pb, pos);
1594 2 }
1595
1596 2 static void mxf_write_ffv1_desc(AVFormatContext *s, AVStream *st)
1597 {
1598 int is_rgb, pos;
1599 2 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(st->codecpar->format);
1600
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 2 av_assert0(desc);
1601 2 is_rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
1602
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 2 pos = mxf_write_cdci_common(s, st, is_rgb ? mxf_rgba_descriptor_key : mxf_cdci_descriptor_key);
1604 2 mxf_update_klv_size(s->pb, pos);
1605 2 mxf_write_ffv1_subdesc(s, st);
1606 2 }
1607
1608 ✗ static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st)
1609 {
1610 ✗ int64_t pos = mxf_write_generic_desc(s, st, mxf_s436m_anc_descriptor_key);
1611 ✗ mxf_update_klv_size(s->pb, pos);
1612 ✗ }
1613
1614 16 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
1615 {
1616 16 AVIOContext *pb = s->pb;
1617 16 MXFStreamContext *sc = st->priv_data;
1618 16 int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1619 16 int64_t pos = mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key);
1620
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 16 if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1622 // bit rate
1623 16 mxf_write_local_tag(s, 4, 0x8000);
1624 16 avio_wb32(pb, sc->video_bit_rate);
1625
1626 // profile and level
1627 16 mxf_write_local_tag(s, 1, 0x8007);
1628
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 16 if (!st->codecpar->profile)
1629 8 profile_and_level |= 0x80; // escape bit
1630 16 avio_w8(pb, profile_and_level);
1631
1632 // low delay
1633 16 mxf_write_local_tag(s, 1, 0x8003);
1634 16 avio_w8(pb, sc->low_delay);
1635
1636 // closed gop
1637 16 mxf_write_local_tag(s, 1, 0x8004);
1638 16 avio_w8(pb, sc->seq_closed_gop);
1639
1640 // max gop
1641 16 mxf_write_local_tag(s, 2, 0x8006);
1642 16 avio_wb16(pb, sc->max_gop);
1643
1644 // b picture count
1645 16 mxf_write_local_tag(s, 2, 0x8008);
1646 16 avio_wb16(pb, sc->b_picture_count);
1647 }
1648
1649 16 mxf_update_klv_size(pb, pos);
1650 16 }
1651
1652 26 static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
1653 {
1654 26 AVIOContext *pb = s->pb;
1655 26 MXFContext *mxf = s->priv_data;
1656 26 int show_warnings = !mxf->footer_partition_offset;
1657 26 int64_t pos = mxf_write_generic_desc(s, st, key);
1658
1659
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 26 if (IS_OPATOM(s)) {
1660 2 mxf_write_local_tag(s, 8, 0x3002);
1661 2 avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1662 }
1663
1664 // audio locked
1665 26 mxf_write_local_tag(s, 1, 0x3D02);
1666 26 avio_w8(pb, 1);
1667
1668 // write audio sampling rate
1669 26 mxf_write_local_tag(s, 8, 0x3D03);
1670 26 avio_wb32(pb, st->codecpar->sample_rate);
1671 26 avio_wb32(pb, 1);
1672
1673
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 26 if (IS_D10(s)) {
1674 2 mxf_write_local_tag(s, 1, 0x3D04);
1675 2 avio_w8(pb, 0);
1676 }
1677
1678 26 mxf_write_local_tag(s, 4, 0x3D07);
1679
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 26 if (mxf->channel_count == -1) {
1680
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 2 if (show_warnings && IS_D10(s) &&
1681
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 1 (st->codecpar->ch_layout.nb_channels != 4) &&
1682
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 1 (st->codecpar->ch_layout.nb_channels != 8))
1683 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");
1684 2 avio_wb32(pb, st->codecpar->ch_layout.nb_channels);
1685
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 24 } else if (IS_D10(s)) {
1686 ✗ if (show_warnings && (mxf->channel_count < st->codecpar->ch_layout.nb_channels))
1687 ✗ av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1688 ✗ if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1689 ✗ 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");
1690 ✗ avio_wb32(pb, mxf->channel_count);
1691 } else {
1692 24 avio_wb32(pb, st->codecpar->ch_layout.nb_channels);
1693 }
1694
1695 26 mxf_write_local_tag(s, 4, 0x3D01);
1696 26 avio_wb32(pb, av_get_bits_per_sample(st->codecpar->codec_id));
1697
1698 26 return pos;
1699 }
1700
1701 24 static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
1702 {
1703 24 AVIOContext *pb = s->pb;
1704 24 int64_t pos = mxf_write_generic_sound_common(s, st, key);
1705
1706 24 mxf_write_local_tag(s, 2, 0x3D0A);
1707 24 avio_wb16(pb, st->codecpar->block_align);
1708
1709 // avg bytes per sec
1710 24 mxf_write_local_tag(s, 4, 0x3D09);
1711 24 avio_wb32(pb, st->codecpar->block_align*st->codecpar->sample_rate);
1712
1713 24 return pos;
1714 }
1715
1716 2 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
1717 {
1718 2 int64_t pos = mxf_write_wav_common(s, st, mxf_wav_descriptor_key);
1719 2 mxf_update_klv_size(s->pb, pos);
1720 2 }
1721
1722 22 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
1723 {
1724 22 int64_t pos = mxf_write_wav_common(s, st, mxf_aes3_descriptor_key);
1725 22 mxf_update_klv_size(s->pb, pos);
1726 22 }
1727
1728 2 static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
1729 {
1730 2 int64_t pos = mxf_write_generic_sound_common(s, st, mxf_generic_sound_descriptor_key);
1731 2 mxf_update_klv_size(s->pb, pos);
1732 2 }
1733
1734 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 };
1735
1736 6 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1737 {
1738 6 MXFContext *mxf = s->priv_data;
1739 6 AVIOContext *pb = s->pb;
1740 6 int name_size = mxf_utf16_local_tag_length(name);
1741 6 int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1742
1743
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 6 if (!name_size || indirect_value_size == 13)
1744 ✗ return 1;
1745
1746 6 mxf_write_metadata_key(pb, 0x013f00);
1747 6 klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1748
1749 // write instance UID
1750 6 mxf_write_local_tag(s, 16, 0x3C0A);
1751 6 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count);
1752
1753 // write name
1754 6 mxf_write_local_tag_utf16(s, 0x5001, name); // Name
1755
1756 // write indirect value
1757 6 mxf_write_local_tag(s, indirect_value_size, 0x5003);
1758 6 avio_write(pb, mxf_indirect_value_utf16le, 17);
1759 6 avio_put_str16le(pb, value);
1760
1761 6 mxf->tagged_value_count++;
1762 6 return 0;
1763 }
1764
1765 6 static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
1766 {
1767 6 MXFContext *mxf = s->priv_data;
1768 6 AVDictionaryEntry *t = NULL;
1769 6 int count = 0;
1770
1771
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 12 while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1772
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 6 if (mxf->tagged_value_count >= UINT16_MAX) {
1773 ✗ av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1774 ✗ return count;
1775 }
1776
1777
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 6 if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1778 6 count++;
1779 }
1780 6 return count;
1781 }
1782
1783 70 static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
1784 {
1785 70 MXFContext *mxf = s->priv_data;
1786 70 AVIOContext *pb = s->pb;
1787 70 int i, track_count = s->nb_streams+1;
1788 70 int name_size = mxf_utf16_local_tag_length(package->name);
1789 70 int user_comment_count = 0;
1790
1791
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 70 if (package->type == MaterialPackage) {
1792
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 34 if (mxf->store_user_comments)
1793 6 user_comment_count = mxf_write_user_comments(s, s->metadata);
1794 34 mxf_write_metadata_key(pb, 0x013600);
1795 PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1796 34 klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1797 } else {
1798 36 mxf_write_metadata_key(pb, 0x013700);
1799 PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1800 36 klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1801 }
1802
1803 // write uid
1804 70 mxf_write_local_tag(s, 16, 0x3C0A);
1805 70 mxf_write_uuid(pb, package->type, package->instance);
1806 70 av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1807 PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1808
1809 // write package umid
1810 70 mxf_write_local_tag(s, 32, 0x4401);
1811 70 mxf_write_umid(s, package->instance);
1812 PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1813
1814 // package name
1815
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 70 if (name_size)
1816 2 mxf_write_local_tag_utf16(s, 0x4402, package->name);
1817
1818 // package creation date
1819 70 mxf_write_local_tag(s, 8, 0x4405);
1820 70 avio_wb64(pb, mxf->timestamp);
1821
1822 // package modified date
1823 70 mxf_write_local_tag(s, 8, 0x4404);
1824 70 avio_wb64(pb, mxf->timestamp);
1825
1826 // write track refs
1827 70 mxf_write_local_tag(s, track_count*16 + 8, 0x4403);
1828 70 mxf_write_refs_count(pb, track_count);
1829 // these are the uuids of the tracks the will be written in mxf_write_track
1830
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 260 for (i = 0; i < track_count; i++)
1831 190 mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1832
1833 // write user comment refs
1834
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 70 if (mxf->store_user_comments) {
1835 12 mxf_write_local_tag(s, user_comment_count*16 + 8, 0x4406);
1836 12 mxf_write_refs_count(pb, user_comment_count);
1837
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 18 for (i = 0; i < user_comment_count; i++)
1838 6 mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1839 }
1840
1841 // write multiple descriptor reference
1842
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 70 if (package->type == SourcePackage && package->instance == 1) {
1843 34 mxf_write_local_tag(s, 16, 0x4701);
1844
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 34 if (s->nb_streams > 1) {
1845 22 mxf_write_uuid(pb, MultipleDescriptor, 0);
1846 22 mxf_write_multi_descriptor(s);
1847 } else
1848 12 mxf_write_uuid(pb, SubDescriptor, 0);
1849
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 36 } else if (package->type == SourcePackage && package->instance == 2) {
1850 2 mxf_write_local_tag(s, 16, 0x4701);
1851 2 mxf_write_uuid(pb, TapeDescriptor, 0);
1852 2 mxf_write_tape_descriptor(s);
1853 }
1854
1855 /*
1856 * for every 1 track in a package there is 1 sequence and 1 component.
1857 * all 3 of these elements share the same instance number for generating
1858 * there instance uuids. mxf->track_instance_count stores this value.
1859 * mxf->track_instance_count is incremented after a group of all 3 of
1860 * these elements are written.
1861 */
1862
1863 // write timecode track
1864 70 mxf_write_track(s, mxf->timecode_track, package);
1865 70 mxf_write_sequence(s, mxf->timecode_track, package);
1866 70 mxf_write_timecode_component(s, mxf->timecode_track, package);
1867 70 mxf->track_instance_count++;
1868
1869
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 190 for (i = 0; i < s->nb_streams; i++) {
1870 120 AVStream *st = s->streams[i];
1871 120 mxf_write_track(s, st, package);
1872 120 mxf_write_sequence(s, st, package);
1873 120 mxf_write_structural_component(s, st, package);
1874 120 mxf->track_instance_count++;
1875
1876
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 120 if (package->type == SourcePackage && package->instance == 1) {
1877 58 MXFStreamContext *sc = st->priv_data;
1878 58 mxf_essence_container_uls[sc->index].write_desc(s, st);
1879 }
1880 }
1881 70 }
1882
1883 34 static int mxf_write_essence_container_data(AVFormatContext *s)
1884 {
1885 34 AVIOContext *pb = s->pb;
1886
1887 34 mxf_write_metadata_key(pb, 0x012300);
1888 34 klv_encode_ber_length(pb, 72);
1889
1890 34 mxf_write_local_tag(s, 16, 0x3C0A); // Instance UID
1891 34 mxf_write_uuid(pb, EssenceContainerData, 0);
1892
1893 34 mxf_write_local_tag(s, 32, 0x2701); // Linked Package UID
1894 34 mxf_write_umid(s, 1);
1895
1896 34 mxf_write_local_tag(s, 4, 0x3F07); // BodySID
1897 34 avio_wb32(pb, 1);
1898
1899 34 mxf_write_local_tag(s, 4, 0x3F06); // IndexSID
1900 34 avio_wb32(pb, 2);
1901
1902 34 return 0;
1903 }
1904
1905 34 static int mxf_write_header_metadata_sets(AVFormatContext *s)
1906 {
1907 34 MXFContext *mxf = s->priv_data;
1908 34 AVDictionaryEntry *entry = NULL;
1909 34 AVStream *st = NULL;
1910 int i;
1911 34 MXFPackage packages[3] = {{0}};
1912 34 int package_count = 2;
1913 34 packages[0].type = MaterialPackage;
1914 34 packages[1].type = SourcePackage;
1915 34 packages[1].instance = 1;
1916 34 packages[0].ref = &packages[1];
1917
1918
1919
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 34 if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1920 ✗ packages[0].name = entry->value;
1921
1922
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 34 if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1923 ✗ packages[1].name = entry->value;
1924 } else {
1925 /* check if any of the streams contain a file_package_name */
1926
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 92 for (i = 0; i < s->nb_streams; i++) {
1927 58 st = s->streams[i];
1928
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 58 if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1929 ✗ packages[1].name = entry->value;
1930 ✗ break;
1931 }
1932 }
1933 }
1934
1935 34 entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1936
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 34 if (entry) {
1937 2 packages[2].name = entry->value;
1938 2 packages[2].type = SourcePackage;
1939 2 packages[2].instance = 2;
1940 2 packages[1].ref = &packages[2];
1941 2 package_count = 3;
1942 }
1943
1944 34 mxf_write_preface(s);
1945 34 mxf_write_identification(s);
1946 34 mxf_write_content_storage(s, packages, package_count);
1947 34 mxf->track_instance_count = 0;
1948
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 104 for (i = 0; i < package_count; i++)
1949 70 mxf_write_package(s, &packages[i]);
1950 34 mxf_write_essence_container_data(s);
1951 34 return 0;
1952 }
1953
1954 1416 static unsigned klv_fill_size(uint64_t size)
1955 {
1956 1416 unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1957
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 1416 if (pad < 20) // smallest fill item possible
1958 5 return pad + KAG_SIZE;
1959 else
1960 1411 return pad & (KAG_SIZE-1);
1961 }
1962
1963 31 static void mxf_write_index_table_segment(AVFormatContext *s)
1964 {
1965 31 MXFContext *mxf = s->priv_data;
1966 31 AVIOContext *pb = s->pb;
1967 31 int i, j, temporal_reordering = 0;
1968 31 int key_index = mxf->last_key_index;
1969 31 int prev_non_b_picture = 0;
1970 31 int audio_frame_size = 0;
1971 int64_t pos;
1972
1973 31 av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1974
1975
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 31 if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1976 9 return;
1977
1978 22 avio_write(pb, index_table_segment_key, 16);
1979
1980 22 klv_encode_ber4_length(pb, 0);
1981 22 pos = avio_tell(pb);
1982
1983 // instance id
1984 22 mxf_write_local_tag(s, 16, 0x3C0A);
1985 22 mxf_write_uuid(pb, IndexTableSegment, mxf->last_indexed_edit_unit);
1986
1987 // index edit rate
1988 22 mxf_write_local_tag(s, 8, 0x3F0B);
1989 22 avio_wb32(pb, mxf->time_base.den);
1990 22 avio_wb32(pb, mxf->time_base.num);
1991
1992 // index start position
1993 22 mxf_write_local_tag(s, 8, 0x3F0C);
1994 22 avio_wb64(pb, mxf->last_indexed_edit_unit);
1995
1996 // index duration
1997 22 mxf_write_local_tag(s, 8, 0x3F0D);
1998
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 22 if (mxf->edit_unit_byte_count)
1999 12 avio_wb64(pb, 0); // index table covers whole container
2000 else
2001 10 avio_wb64(pb, mxf->edit_units_count);
2002
2003 // edit unit byte count
2004 22 mxf_write_local_tag(s, 4, 0x3F05);
2005 22 avio_wb32(pb, mxf->edit_unit_byte_count);
2006
2007 // index sid
2008 22 mxf_write_local_tag(s, 4, 0x3F06);
2009 22 avio_wb32(pb, 2);
2010
2011 // body sid
2012 22 mxf_write_local_tag(s, 4, 0x3F07);
2013 22 avio_wb32(pb, 1);
2014
2015 // real slice count - 1
2016 22 mxf_write_local_tag(s, 1, 0x3F08);
2017 22 avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
2018
2019 // delta entry array
2020 22 mxf_write_local_tag(s, 8 + (s->nb_streams+1)*6, 0x3F09);
2021 22 avio_wb32(pb, s->nb_streams+1); // num of entries
2022 22 avio_wb32(pb, 6); // size of one entry
2023 // write system item delta entry
2024 22 avio_w8(pb, 0);
2025 22 avio_w8(pb, 0); // slice entry
2026 22 avio_wb32(pb, 0); // element delta
2027 // write each stream delta entry
2028
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 60 for (i = 0; i < s->nb_streams; i++) {
2029 38 AVStream *st = s->streams[i];
2030 38 MXFStreamContext *sc = st->priv_data;
2031 38 avio_w8(pb, sc->temporal_reordering);
2032
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 38 if (sc->temporal_reordering)
2033 3 temporal_reordering = 1;
2034
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 38 if (mxf->edit_unit_byte_count) {
2035 20 avio_w8(pb, 0); // slice number
2036 20 avio_wb32(pb, sc->slice_offset);
2037
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 18 } else if (i == 0) { // video track
2038 10 avio_w8(pb, 0); // slice number
2039 10 avio_wb32(pb, KAG_SIZE); // system item size including klv fill
2040 } else { // audio or data track
2041
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 8 if (!audio_frame_size) {
2042 7 audio_frame_size = sc->frame_size;
2043 7 audio_frame_size += klv_fill_size(audio_frame_size);
2044 }
2045 8 avio_w8(pb, 1);
2046 8 avio_wb32(pb, (i-1)*audio_frame_size); // element delta
2047 }
2048 }
2049
2050
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 22 if (!mxf->edit_unit_byte_count) {
2051 10 MXFStreamContext *sc = s->streams[0]->priv_data;
2052 10 mxf_write_local_tag(s, 8 + mxf->edit_units_count*15, 0x3F0A);
2053 10 avio_wb32(pb, mxf->edit_units_count); // num of entries
2054 10 avio_wb32(pb, 15); // size of one entry
2055
2056
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 151 for (i = 0; i < mxf->edit_units_count; i++) {
2057 141 int temporal_offset = 0;
2058
2059
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 141 if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
2060 54 sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
2061 54 mxf->last_key_index = key_index;
2062 54 key_index = i;
2063 }
2064
2065
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 141 if (temporal_reordering) {
2066 80 int pic_num_in_gop = i - key_index;
2067
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 80 if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
2068
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 444 for (j = key_index; j < mxf->edit_units_count; j++) {
2069
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 444 if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
2070 77 break;
2071 }
2072
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 77 if (j == mxf->edit_units_count)
2073 ✗ av_log(s, AV_LOG_WARNING, "missing frames\n");
2074 77 temporal_offset = j - key_index - pic_num_in_gop;
2075 }
2076 }
2077 141 avio_w8(pb, temporal_offset);
2078
2079
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 141 if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
2080 51 sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
2081 51 avio_w8(pb, mxf->last_key_index - i);
2082 } else {
2083 90 avio_w8(pb, key_index - i); // key frame offset
2084
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 90 if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
2085 36 mxf->last_key_index = key_index;
2086 90 prev_non_b_picture = i;
2087 }
2088
2089
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 141 if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
2090
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 54 mxf->index_entries[i].flags & 0x40 && !temporal_offset)
2091 18 mxf->index_entries[i].flags |= 0x80; // random access
2092 141 avio_w8(pb, mxf->index_entries[i].flags);
2093 // stream offset
2094 141 avio_wb64(pb, mxf->index_entries[i].offset);
2095
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 141 if (s->nb_streams > 1)
2096 111 avio_wb32(pb, mxf->index_entries[i].slice_offset);
2097 else
2098 30 avio_wb32(pb, 0);
2099 }
2100
2101 10 mxf->last_key_index = key_index - mxf->edit_units_count;
2102 10 mxf->last_indexed_edit_unit += mxf->edit_units_count;
2103 10 mxf->edit_units_count = 0;
2104 }
2105
2106 22 mxf_update_klv_size(pb, pos);
2107 }
2108
2109 891 static void mxf_write_klv_fill(AVFormatContext *s)
2110 {
2111 891 unsigned pad = klv_fill_size(avio_tell(s->pb));
2112
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 891 if (pad) {
2113 882 avio_write(s->pb, klv_fill_key, 16);
2114 882 pad -= 16 + 4;
2115 882 klv_encode_ber4_length(s->pb, pad);
2116 882 ffio_fill(s->pb, 0, pad);
2117 av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2118 }
2119 891 }
2120
2121 66 static int mxf_write_partition(AVFormatContext *s, int bodysid,
2122 int indexsid,
2123 const uint8_t *key, int write_metadata)
2124 {
2125 66 MXFContext *mxf = s->priv_data;
2126 66 AVIOContext *pb = s->pb;
2127 int64_t header_byte_count_offset;
2128 66 unsigned index_byte_count = 0;
2129 66 uint64_t partition_offset = avio_tell(pb);
2130 int err;
2131
2132
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 66 if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
2133 10 index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
2134 10 12+mxf->edit_units_count*15;
2135
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 56 else if (mxf->edit_unit_byte_count && indexsid)
2136 12 index_byte_count = 80;
2137
2138
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 66 if (index_byte_count) {
2139 22 index_byte_count += 16 + 4; // add encoded ber4 length
2140 22 index_byte_count += klv_fill_size(index_byte_count);
2141 }
2142
2143
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 66 if (key && !memcmp(key, body_partition_key, 16)) {
2144
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 12 if ((err = av_reallocp_array(&mxf->body_partition_offset, mxf->body_partitions_count + 1,
2145 sizeof(*mxf->body_partition_offset))) < 0) {
2146 ✗ mxf->body_partitions_count = 0;
2147 ✗ return err;
2148 }
2149 12 mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
2150 }
2151
2152 // write klv
2153
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 66 if (key)
2154 63 avio_write(pb, key, 16);
2155 else
2156 3 avio_write(pb, body_partition_key, 16);
2157
2158
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 66 klv_encode_ber4_length(pb, 88 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count));
2159
2160 // write partition value
2161 66 avio_wb16(pb, 1); // majorVersion
2162 66 avio_wb16(pb, 3); // minorVersion
2163 66 avio_wb32(pb, KAG_SIZE); // KAGSize
2164
2165 66 avio_wb64(pb, partition_offset); // ThisPartition
2166
2167
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 66 if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
2168 ✗ avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
2169
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 66 else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
2170 12 avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
2171 else
2172 54 avio_wb64(pb, 0);
2173
2174 66 avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
2175
2176 // set offset
2177 66 header_byte_count_offset = avio_tell(pb);
2178 66 avio_wb64(pb, 0); // headerByteCount, update later
2179
2180 // indexTable
2181 66 avio_wb64(pb, index_byte_count); // indexByteCount
2182
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 66 avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
2183
2184 // BodyOffset
2185
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 66 if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && !IS_OPATOM(s))
2186 ✗ avio_wb64(pb, mxf->body_offset);
2187 else
2188 66 avio_wb64(pb, 0);
2189
2190 66 avio_wb32(pb, bodysid); // bodySID
2191
2192 // operational pattern
2193
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 66 if (IS_OPATOM(s))
2194 15 avio_write(pb, opatom_ul, 16);
2195 else
2196 51 avio_write(pb, op1a_ul, 16);
2197
2198 // essence container
2199 66 mxf_write_essence_container_refs(s);
2200
2201
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 66 if (write_metadata) {
2202 // mark the start of the headermetadata and calculate metadata size
2203 int64_t pos, start;
2204 unsigned header_byte_count;
2205
2206 34 mxf_write_klv_fill(s);
2207 34 start = avio_tell(s->pb);
2208 34 mxf_write_primer_pack(s);
2209 34 mxf_write_klv_fill(s);
2210 34 mxf_write_header_metadata_sets(s);
2211 34 pos = avio_tell(s->pb);
2212 34 header_byte_count = pos - start + klv_fill_size(pos);
2213
2214 // update header_byte_count
2215 34 avio_seek(pb, header_byte_count_offset, SEEK_SET);
2216 34 avio_wb64(pb, header_byte_count);
2217 34 avio_seek(pb, pos, SEEK_SET);
2218 }
2219
2220
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 66 if(key)
2221 63 avio_write_marker(pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
2222
2223 66 return 0;
2224 }
2225
2226 static const struct {
2227 int profile;
2228 UID codec_ul;
2229 } mxf_prores_codec_uls[] = {
2230 { AV_PROFILE_PRORES_PROXY, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x01,0x00 } },
2231 { AV_PROFILE_PRORES_LT, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x02,0x00 } },
2232 { AV_PROFILE_PRORES_STANDARD, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 } },
2233 { AV_PROFILE_PRORES_HQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x04,0x00 } },
2234 { AV_PROFILE_PRORES_4444, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x05,0x00 } },
2235 { AV_PROFILE_PRORES_XQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x06,0x00 } },
2236 };
2237
2238 5 static int mxf_parse_prores_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2239 {
2240 5 MXFContext *mxf = s->priv_data;
2241 5 MXFStreamContext *sc = st->priv_data;
2242 int i, profile;
2243
2244
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 5 if (mxf->header_written)
2245 4 return 1;
2246
2247 1 profile = st->codecpar->profile;
2248
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 1 for (i = 0; i < FF_ARRAY_ELEMS(mxf_prores_codec_uls); i++) {
2249
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 1 if (profile == mxf_prores_codec_uls[i].profile) {
2250 1 sc->codec_ul = &mxf_prores_codec_uls[i].codec_ul;
2251 1 break;
2252 }
2253 }
2254
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 1 if (i == FF_ARRAY_ELEMS(mxf_prores_codec_uls))
2255 ✗ return 0;
2256
2257 1 sc->frame_size = pkt->size;
2258
2259 1 return 1;
2260 }
2261
2262 static const struct {
2263 uint16_t cid;
2264 uint8_t interlaced;
2265 UID codec_ul;
2266 } mxf_dnxhd_codec_uls[] = {
2267 { 1235, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH
2268 { 1237, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED
2269 { 1238, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH
2270 { 1241, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH
2271 { 1242, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED
2272 { 1243, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH
2273 { 1244, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR
2274 { 1250, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit
2275 { 1251, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH
2276 { 1252, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED
2277 { 1253, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW
2278 { 1256, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444
2279 { 1258, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR
2280 { 1259, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR
2281 { 1260, 1, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF
2282 { 1270, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444
2283 { 1271, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX
2284 { 1272, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ
2285 { 1273, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ
2286 { 1274, 0, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB
2287 };
2288
2289 25 static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2290 {
2291 25 MXFContext *mxf = s->priv_data;
2292 25 MXFStreamContext *sc = st->priv_data;
2293 int i, cid;
2294
2295
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 25 if (mxf->header_written)
2296 24 return 1;
2297
2298
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 1 if (pkt->size < 43)
2299 ✗ return 0;
2300
2301 1 cid = AV_RB32(pkt->data + 0x28);
2302
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 11 for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
2303
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 11 if (cid == mxf_dnxhd_codec_uls[i].cid) {
2304 1 sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
2305 1 sc->interlaced = mxf_dnxhd_codec_uls[i].interlaced;
2306 1 break;
2307 }
2308 }
2309
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 1 if (i == FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls))
2310 ✗ return 0;
2311
2312 1 sc->component_depth = 0;
2313
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 1 switch (pkt->data[0x21] >> 5) {
2314 1 case 1: sc->component_depth = 8; break;
2315 ✗ case 2: sc->component_depth = 10; break;
2316 ✗ case 3: sc->component_depth = 12; break;
2317 }
2318
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 1 if (!sc->component_depth)
2319 ✗ return 0;
2320
2321
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 1 if (cid >= 1270) { // RI raster
2322 ✗ av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2323 ✗ st->codecpar->width, st->codecpar->height,
2324 INT_MAX);
2325 } else {
2326 1 sc->aspect_ratio = (AVRational){ 16, 9 };
2327 }
2328
2329 1 sc->frame_size = pkt->size;
2330
2331 1 return 1;
2332 }
2333
2334 static const struct {
2335 const UID container_ul;
2336 const UID codec_ul;
2337 } mxf_dv_uls[] = {
2338 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 }, // IEC DV25 525/60
2339 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x01,0x00 } },
2340 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 }, // IEC DV25 626/50
2341 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 } },
2342 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, // DV25 525/60
2343 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, },
2344 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, // DV25 625/50
2345 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, },
2346 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, // DV50 525/60
2347 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, },
2348 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, // DV50 625/50
2349 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, },
2350 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, // DV100 1080/60
2351 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, },
2352 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, // DV100 1080/50
2353 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, },
2354 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, // DV100 720/60
2355 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, },
2356 { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, // DV100 720/50
2357 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, },
2358 };
2359
2360 75 static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2361 {
2362 75 MXFContext *mxf = s->priv_data;
2363 75 MXFStreamContext *sc = st->priv_data;
2364 const uint8_t *vs_pack, *vsc_pack;
2365 int apt, ul_index, stype, pal;
2366
2367
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 75 if (mxf->header_written)
2368 72 return 1;
2369
2370 // Check for minimal frame size
2371
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 3 if (pkt->size < 120000)
2372 ✗ return -1;
2373
2374 3 apt = pkt->data[4] & 0x7;
2375 3 vs_pack = pkt->data + 80*5 + 48;
2376 3 vsc_pack = pkt->data + 80*5 + 53;
2377 3 stype = vs_pack[3] & 0x1f;
2378 3 pal = (vs_pack[3] >> 5) & 0x1;
2379
2380
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 3 if ((vsc_pack[2] & 0x07) == 0x02) {
2381 2 sc->aspect_ratio = (AVRational){ 16, 9 };
2382 } else {
2383 1 sc->aspect_ratio = (AVRational){ 4, 3 };
2384 }
2385
2386 3 sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2387 // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2388 // and set field dominance accordingly
2389 // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2390
2391
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 3 switch (stype) {
2392 ✗ case 0x18: // DV100 720p
2393 ✗ ul_index = 8+pal;
2394 ✗ if (sc->interlaced) {
2395 ✗ av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2396 ✗ sc->interlaced = 0;
2397 }
2398 ✗ break;
2399 1 case 0x14: // DV100 1080i
2400 1 ul_index = 6+pal;
2401 1 break;
2402 1 case 0x04: // DV50
2403 1 ul_index = 4+pal;
2404 1 break;
2405 1 default: // DV25
2406
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 1 if (!apt) { // IEC
2407 1 ul_index = 0+pal;
2408 } else {
2409 ✗ ul_index = 2+pal;
2410 }
2411 }
2412
2413 3 sc->container_ul = &mxf_dv_uls[ul_index].container_ul;
2414 3 sc->codec_ul = &mxf_dv_uls[ul_index].codec_ul;
2415
2416 3 sc->frame_size = pkt->size;
2417
2418 3 return 1;
2419 }
2420
2421 static const struct {
2422 UID uid;
2423 int frame_size;
2424 uint8_t profile;
2425 uint8_t interlaced;
2426 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
2427 } mxf_h264_codec_uls[] = {
2428 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline
2429 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2430 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2431 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2432 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10
2433 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422
2434 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444
2435 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra
2436 {{ 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
2437 {{ 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
2438 {{ 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
2439 {{ 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
2440 {{ 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
2441 {{ 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
2442 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra
2443 {{ 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
2444 {{ 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
2445 {{ 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
2446 {{ 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
2447 {{ 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
2448 {{ 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
2449 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra
2450 {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2451 };
2452
2453 ✗ static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st,
2454 AVPacket *pkt, MXFIndexEntry *e)
2455 {
2456 ✗ MXFContext *mxf = s->priv_data;
2457 ✗ MXFStreamContext *sc = st->priv_data;
2458 ✗ H264SPS seq, *const sps = &seq;
2459 GetBitContext gb;
2460 ✗ const uint8_t *buf = pkt->data;
2461 ✗ const uint8_t *buf_end = pkt->data + pkt->size;
2462 const uint8_t *nal_end;
2463 ✗ const UID *codec_ul = NULL;
2464 ✗ uint32_t state = -1;
2465 ✗ int extra_size = 512; // support AVC Intra files without SPS/PPS header
2466 ✗ int i, frame_size, slice_type, has_sps = 0, intra_only = 0, ret;
2467
2468 for (;;) {
2469 ✗ buf = avpriv_find_start_code(buf, buf_end, &state);
2470 ✗ if (buf >= buf_end)
2471 ✗ break;
2472
2473 ✗ switch (state & 0x1f) {
2474 ✗ case H264_NAL_SPS:
2475 ✗ e->flags |= 0x40;
2476
2477 ✗ if (mxf->header_written)
2478 ✗ break;
2479
2480 ✗ nal_end = ff_avc_find_startcode(buf, buf_end);
2481 ✗ ret = ff_avc_decode_sps(sps, buf, nal_end - buf);
2482 ✗ if (ret < 0) {
2483 ✗ av_log(s, AV_LOG_ERROR, "error parsing sps\n");
2484 ✗ return 0;
2485 }
2486 ✗ has_sps = 1;
2487
2488 ✗ sc->aspect_ratio.num = st->codecpar->width * sps->sar.num;
2489 ✗ sc->aspect_ratio.den = st->codecpar->height * sps->sar.den;
2490 ✗ av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2491 ✗ sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024);
2492 ✗ intra_only = (sps->constraint_set_flags >> 3) & 1;
2493 ✗ sc->interlaced = !sps->frame_mbs_only_flag;
2494 ✗ sc->component_depth = sps->bit_depth_luma;
2495
2496 ✗ buf = nal_end;
2497 ✗ break;
2498 ✗ case H264_NAL_PPS:
2499 ✗ if (e->flags & 0x40) { // sequence header present
2500 ✗ e->flags |= 0x80; // random access
2501 ✗ extra_size = 0;
2502 }
2503 ✗ break;
2504 ✗ case H264_NAL_IDR_SLICE:
2505 ✗ e->flags |= 0x04; // IDR Picture
2506 ✗ buf = buf_end;
2507 ✗ break;
2508 ✗ case H264_NAL_SLICE:
2509 ✗ init_get_bits8(&gb, buf, buf_end - buf);
2510 ✗ get_ue_golomb_long(&gb); // skip first_mb_in_slice
2511 ✗ slice_type = get_ue_golomb_31(&gb);
2512 ✗ switch (slice_type % 5) {
2513 ✗ case 0:
2514 ✗ e->flags |= 0x20; // P Picture
2515 ✗ e->flags |= 0x06; // P Picture
2516 ✗ break;
2517 ✗ case 1:
2518 ✗ e->flags |= 0x30; // B Picture
2519 ✗ e->flags |= 0x03; // non-referenced B Picture
2520 ✗ break;
2521 }
2522 ✗ buf = buf_end;
2523 ✗ break;
2524 ✗ default:
2525 ✗ break;
2526 }
2527 }
2528
2529 ✗ if (mxf->header_written)
2530 ✗ return 1;
2531
2532 ✗ if (!has_sps)
2533 ✗ sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2534 ✗ frame_size = pkt->size + extra_size;
2535
2536 ✗ for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) {
2537 ✗ if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2538 ✗ codec_ul = &mxf_h264_codec_uls[i].uid;
2539 ✗ sc->component_depth = 10; // AVC Intra is always 10 Bit
2540 ✗ sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2541 ✗ st->codecpar->profile = mxf_h264_codec_uls[i].profile;
2542 ✗ sc->avc_intra = 1;
2543 ✗ mxf->cbr_index = 1;
2544 ✗ sc->frame_size = pkt->size;
2545 ✗ if (sc->interlaced)
2546 ✗ sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2547 ✗ break;
2548 ✗ } else if (has_sps && mxf_h264_codec_uls[i].frame_size == 0 &&
2549 ✗ mxf_h264_codec_uls[i].profile == sps->profile_idc &&
2550 ✗ (mxf_h264_codec_uls[i].intra_only < 0 ||
2551 ✗ mxf_h264_codec_uls[i].intra_only == intra_only)) {
2552 ✗ codec_ul = &mxf_h264_codec_uls[i].uid;
2553 ✗ st->codecpar->profile = sps->profile_idc;
2554 ✗ st->codecpar->level = sps->level_idc;
2555 // continue to check for avc intra
2556 }
2557 }
2558
2559 ✗ if (!codec_ul) {
2560 ✗ av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2561 ✗ return 0;
2562 }
2563 ✗ sc->codec_ul = codec_ul;
2564
2565 ✗ return 1;
2566 }
2567
2568 2 static inline int get_ffv1_unsigned_symbol(RangeCoder *c, uint8_t *state) {
2569
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 2 if(get_rac(c, state+0))
2570 ✗ return 0;
2571 else{
2572 int i, e;
2573 unsigned a;
2574 2 e= 0;
2575
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 5 while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10
2576 3 e++;
2577
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 3 if (e > 31)
2578 ✗ return AVERROR_INVALIDDATA;
2579 }
2580
2581 2 a= 1;
2582
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 5 for(i=e-1; i>=0; i--){
2583
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 3 a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31
2584 }
2585
2586 2 return a;
2587 }
2588 }
2589 #define FFV1_CONTEXT_SIZE 32
2590 25 static int mxf_parse_ffv1_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2591 {
2592 25 MXFContext *mxf = s->priv_data;
2593 25 MXFStreamContext *sc = st->priv_data;
2594 uint8_t state[FFV1_CONTEXT_SIZE];
2595 RangeCoder c;
2596 unsigned v;
2597
2598 25 sc->frame_size = pkt->size;
2599
2600
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 25 if (mxf->header_written)
2601 24 return 1;
2602
2603 1 memset(state, 128, sizeof(state));
2604
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 1 if (st->codecpar->extradata) {
2605 1 ff_init_range_decoder(&c, st->codecpar->extradata, st->codecpar->extradata_size);
2606 1 ff_build_rac_states(&c, 0.05 * (1LL << 32), 256 - 8);
2607 1 v = get_ffv1_unsigned_symbol(&c, state);
2608
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 1 av_assert0(v >= 2);
2609
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 1 if (v > 4) {
2610 ✗ return 0;
2611 }
2612
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 1 if (v > 4) {
2613 ✗ av_log(s, AV_LOG_ERROR, "unsupported ffv1 version %d\n", v);
2614 ✗ return 0;
2615 }
2616 1 sc->micro_version = get_ffv1_unsigned_symbol(&c, state);
2617 } else {
2618 ✗ uint8_t keystate = 128;
2619 ✗ ff_init_range_decoder(&c, pkt->data, pkt->size);
2620 ✗ ff_build_rac_states(&c, 0.05 * (1LL << 32), 256 - 8);
2621 ✗ get_rac(&c, &keystate); // keyframe
2622 ✗ v = get_ffv1_unsigned_symbol(&c, state);
2623 ✗ av_assert0(v < 2);
2624 }
2625 1 sc->codec_ul = &mxf_ffv1_codec_uls[v];
2626
2627
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 1 if (st->codecpar->field_order > AV_FIELD_PROGRESSIVE) {
2628 ✗ sc->interlaced = 1;
2629 ✗ sc->field_dominance = st->codecpar->field_order == (st->codecpar->field_order == AV_FIELD_TT || st->codecpar->field_order == AV_FIELD_TB) ? 1 : 2;
2630 }
2631 1 sc->aspect_ratio.num = st->codecpar->width * st->codecpar->sample_aspect_ratio.num;
2632 1 sc->aspect_ratio.den = st->codecpar->height * st->codecpar->sample_aspect_ratio.den;
2633 1 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2634 1 sc->aspect_ratio.num, sc->aspect_ratio.den, INT_MAX);
2635
2636 1 return 1;
2637 }
2638
2639 ✗ static int mxf_parse_jpeg2000_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
2640 {
2641 ✗ MXFContext *mxf = s->priv_data;
2642 ✗ MXFStreamContext *sc = st->priv_data;
2643 ✗ int component_count = av_pix_fmt_count_planes(st->codecpar->format);
2644 GetByteContext g;
2645 uint32_t j2k_ncomponents;
2646
2647 ✗ if (mxf->header_written)
2648 ✗ return 1;
2649
2650 ✗ bytestream2_init(&g,pkt->data,pkt->size);
2651
2652 ✗ while (bytestream2_get_bytes_left(&g) >= 3 && bytestream2_peek_be16(&g) != JPEG2000_SOC)
2653 ✗ bytestream2_skip(&g, 1);
2654
2655 ✗ if (bytestream2_get_be16u(&g) != JPEG2000_SOC) {
2656 ✗ av_log(s, AV_LOG_ERROR, "Mandatory SOC marker is not present\n");
2657 ✗ return AVERROR_INVALIDDATA;
2658 }
2659
2660 /* Extract usefull size information from the SIZ marker */
2661 ✗ if (bytestream2_get_be16u(&g) != JPEG2000_SIZ) {
2662 ✗ av_log(s, AV_LOG_ERROR, "Mandatory SIZ marker is not present\n");
2663 ✗ return AVERROR_INVALIDDATA;
2664 }
2665 ✗ bytestream2_skip(&g, 2); // Skip Lsiz
2666 ✗ sc->j2k_info.j2k_cap = bytestream2_get_be16u(&g);
2667 ✗ sc->j2k_info.j2k_xsiz = bytestream2_get_be32u(&g);
2668 ✗ sc->j2k_info.j2k_ysiz = bytestream2_get_be32u(&g);
2669 ✗ sc->j2k_info.j2k_x0siz = bytestream2_get_be32u(&g);
2670 ✗ sc->j2k_info.j2k_y0siz = bytestream2_get_be32u(&g);
2671 ✗ sc->j2k_info.j2k_xtsiz = bytestream2_get_be32u(&g);
2672 ✗ sc->j2k_info.j2k_ytsiz = bytestream2_get_be32u(&g);
2673 ✗ sc->j2k_info.j2k_xt0siz = bytestream2_get_be32u(&g);
2674 ✗ sc->j2k_info.j2k_yt0siz = bytestream2_get_be32u(&g);
2675 ✗ j2k_ncomponents = bytestream2_get_be16u(&g);
2676 ✗ if (j2k_ncomponents != component_count) {
2677 ✗ av_log(s, AV_LOG_ERROR, "Incoherence about components image number.\n");
2678 ✗ return AVERROR_INVALIDDATA;
2679 }
2680 ✗ bytestream2_get_bufferu(&g, sc->j2k_info.j2k_comp_desc, 3 * j2k_ncomponents);
2681
2682 ✗ sc->frame_size = pkt->size;
2683
2684 ✗ return 1;
2685 }
2686
2687 static const UID mxf_mpeg2_codec_uls[] = {
2688 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2689 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2690 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2691 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2692 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2693 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2694 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2695 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2696 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2697 { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2698 };
2699
2700 111 static const UID *mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
2701 {
2702 111 int long_gop = 1;
2703
2704
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 111 if (par->profile == 4) { // Main
2705
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 81 if (par->level == 8) // Main
2706 81 return &mxf_mpeg2_codec_uls[0+long_gop];
2707 ✗ else if (par->level == 4) // High
2708 ✗ return &mxf_mpeg2_codec_uls[4+long_gop];
2709 ✗ else if (par->level == 6) // High 14
2710 ✗ return &mxf_mpeg2_codec_uls[8+long_gop];
2711
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 30 } else if (par->profile == 0) { // 422
2712
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 30 if (par->level == 5) // Main
2713 30 return &mxf_mpeg2_codec_uls[2+long_gop];
2714 ✗ else if (par->level == 2) // High
2715 ✗ return &mxf_mpeg2_codec_uls[6+long_gop];
2716 }
2717 ✗ return NULL;
2718 }
2719
2720 161 static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
2721 AVPacket *pkt, MXFIndexEntry *e)
2722 {
2723 161 MXFStreamContext *sc = st->priv_data;
2724 161 uint32_t c = -1;
2725 int i;
2726
2727
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 3941 for(i = 0; i < pkt->size - 4; i++) {
2728 3941 c = (c<<8) + pkt->data[i];
2729
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 3941 if (c == 0x1b5) {
2730
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 216 if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2731 52 st->codecpar->profile = pkt->data[i+1] & 0x07;
2732 52 st->codecpar->level = pkt->data[i+2] >> 4;
2733 52 sc->low_delay = pkt->data[i+6] >> 7;
2734
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 164 } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2735 161 sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2736
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 161 if (sc->interlaced)
2737
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 37 sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2738 161 break;
2739 }
2740
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 3725 } else if (c == 0x1b8) { // gop
2741
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 52 if (pkt->data[i+4]>>6 & 0x01) { // closed
2742
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 31 if (sc->seq_closed_gop == -1)
2743 7 sc->seq_closed_gop = 1;
2744 31 sc->closed_gop = 1;
2745
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 31 if (e->flags & 0x40) // sequence header present
2746 31 e->flags |= 0x80; // random access
2747 } else {
2748 21 sc->seq_closed_gop = 0;
2749 21 sc->closed_gop = 0;
2750 }
2751
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 3673 } else if (c == 0x1b3) { // seq
2752 52 e->flags |= 0x40;
2753
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 52 switch ((pkt->data[i+4]>>4) & 0xf) {
2754 18 case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2755 3 case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2756 ✗ case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2757 34 default:
2758 34 av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
2759 34 st->codecpar->width, st->codecpar->height, 1024*1024);
2760 }
2761
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 3621 } else if (c == 0x100) { // pic
2762 161 int pict_type = (pkt->data[i+2]>>3) & 0x07;
2763 161 e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2764
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 161 if (pict_type == 2) { // P-frame
2765 58 e->flags |= 0x22;
2766 58 sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2767
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 103 } else if (pict_type == 3) { // B-frame
2768
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 51 if (sc->closed_gop)
2769 ✗ e->flags |= 0x13; // only backward prediction
2770 else
2771 51 e->flags |= 0x33;
2772 51 sc->temporal_reordering = -1;
2773
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 52 } else if (!pict_type) {
2774 ✗ av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2775 ✗ return 0;
2776 }
2777 }
2778 }
2779
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 161 if (!IS_D10(s)) {
2780 111 const UID *codec_ul = mxf_get_mpeg2_codec_ul(st->codecpar);
2781
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 111 if (!codec_ul)
2782 ✗ return 0;
2783 111 sc->codec_ul = codec_ul;
2784 }
2785 161 return 1;
2786 }
2787
2788 ✗ static uint64_t mxf_parse_timestamp(int64_t timestamp64)
2789 {
2790 ✗ time_t timestamp = timestamp64 / 1000000;
2791 struct tm tmbuf;
2792 ✗ struct tm *time = gmtime_r(&timestamp, &tmbuf);
2793 ✗ if (!time)
2794 ✗ return 0;
2795 ✗ return (uint64_t)(time->tm_year+1900) << 48 |
2796 ✗ (uint64_t)(time->tm_mon+1) << 40 |
2797 ✗ (uint64_t) time->tm_mday << 32 |
2798 ✗ time->tm_hour << 24 |
2799 ✗ time->tm_min << 16 |
2800 ✗ time->tm_sec << 8 |
2801 ✗ (timestamp64 % 1000000) / 4000;
2802 }
2803
2804 ✗ static void mxf_gen_umid(AVFormatContext *s)
2805 {
2806 ✗ MXFContext *mxf = s->priv_data;
2807 ✗ uint32_t seed = av_get_random_seed();
2808 ✗ uint64_t umid = seed + 0x5294713400000000LL;
2809
2810 ✗ AV_WB64(mxf->umid , umid);
2811 ✗ AV_WB64(mxf->umid+8, umid>>8);
2812
2813 ✗ mxf->instance_number = seed & 0xFFFFFF;
2814 ✗ }
2815
2816 17 static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational tbc)
2817 {
2818 17 MXFContext *mxf = s->priv_data;
2819 17 AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2820
2821
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 17 if (!ff_mxf_get_content_package_rate(tbc)) {
2822 ✗ if (s->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
2823 ✗ 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);
2824 ✗ return AVERROR(EINVAL);
2825 } else {
2826 ✗ av_log(s, AV_LOG_WARNING, "Unofficial frame rate %d/%d.\n", tbc.den, tbc.num);
2827 }
2828 }
2829
2830 17 mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2831
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 17 if (!tcr)
2832 10 tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2833
2834
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 17 if (tcr)
2835 7 return av_timecode_init_from_string(&mxf->tc, av_inv_q(tbc), tcr->value, s);
2836 else
2837 10 return av_timecode_init(&mxf->tc, av_inv_q(tbc), 0, 0, s);
2838 }
2839
2840 16 static enum AVChromaLocation choose_chroma_location(AVFormatContext *s, AVStream *st)
2841 {
2842 16 AVCodecParameters *par = st->codecpar;
2843 16 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(par->format);
2844
2845
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 16 if (par->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
2846 6 return par->chroma_location;
2847
2848
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 10 if (pix_desc) {
2849
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 10 if (pix_desc->log2_chroma_h == 0) {
2850 5 return AVCHROMA_LOC_TOPLEFT;
2851
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 5 } else if (pix_desc->log2_chroma_w == 1 && pix_desc->log2_chroma_h == 1) {
2852
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 5 if (par->field_order == AV_FIELD_UNKNOWN || par->field_order == AV_FIELD_PROGRESSIVE) {
2853
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 4 switch (par->codec_id) {
2854 ✗ case AV_CODEC_ID_MJPEG:
2855 ✗ case AV_CODEC_ID_MPEG1VIDEO: return AVCHROMA_LOC_CENTER;
2856 }
2857 }
2858
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 5 if (par->field_order == AV_FIELD_UNKNOWN || par->field_order != AV_FIELD_PROGRESSIVE) {
2859
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 1 switch (par->codec_id) {
2860 ✗ case AV_CODEC_ID_MPEG2VIDEO: return AVCHROMA_LOC_LEFT;
2861 }
2862 }
2863 }
2864 }
2865
2866 5 return AVCHROMA_LOC_UNSPECIFIED;
2867 }
2868
2869 17 static int mxf_init(AVFormatContext *s)
2870 {
2871 17 MXFContext *mxf = s->priv_data;
2872 int i, ret;
2873 17 uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2874 17 int64_t timestamp = 0;
2875
2876
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 17 if (IS_OPATOM(s) && s->nb_streams != 1) {
2877 ✗ av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2878 ✗ return -1;
2879 }
2880
2881
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 17 if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2882 14 mxf->store_user_comments = 0;
2883
2884
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 46 for (i = 0; i < s->nb_streams; i++) {
2885 29 AVStream *st = s->streams[i];
2886 29 MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2887
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 29 if (!sc)
2888 ✗ return AVERROR(ENOMEM);
2889 29 st->priv_data = sc;
2890 29 sc->index = -1;
2891
2892
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 29 if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && !IS_OPATOM(s)) {
2893 ✗ av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2894 ✗ return -1;
2895 }
2896
2897
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 29 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2898 16 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2899 // TODO: should be avg_frame_rate
2900 16 AVRational tbc = st->time_base;
2901 // Default component depth to 8
2902 16 sc->component_depth = 8;
2903 16 sc->h_chroma_sub_sample = 2;
2904 16 sc->v_chroma_sub_sample = 2;
2905 16 sc->color_siting = 0xFF;
2906
2907
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 16 if (st->codecpar->sample_aspect_ratio.num && st->codecpar->sample_aspect_ratio.den) {
2908 11 sc->aspect_ratio = av_mul_q(st->codecpar->sample_aspect_ratio,
2909 11 av_make_q(st->codecpar->width, st->codecpar->height));
2910 }
2911
2912
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 16 if (pix_desc) {
2913 16 sc->component_depth = pix_desc->comp[0].depth;
2914 16 sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2915 16 sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2916 }
2917
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 16 switch (choose_chroma_location(s, st)) {
2918 10 case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2919 1 case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2920 ✗ case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2921 ✗ case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2922 }
2923
2924 16 mxf->content_package_rate = ff_mxf_get_content_package_rate(tbc);
2925 16 mxf->time_base = tbc;
2926 16 avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2927
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 16 if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2928 ✗ return ret;
2929
2930
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 16 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2931 10 sc->seq_closed_gop = -1; // unknown yet
2932 }
2933
2934 16 sc->video_bit_rate = st->codecpar->bit_rate;
2935
2936
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 16 if (IS_D10(s) ||
2937
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 14 st->codecpar->codec_id == AV_CODEC_ID_DNXHD ||
2938
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 13 st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO)
2939 6 mxf->cbr_index = 1;
2940
2941
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 16 if (IS_D10(s)) {
2942 2 int ntsc = mxf->time_base.den != 25;
2943 int ul_index;
2944
2945
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 2 if (st->codecpar->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
2946 ✗ av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2947 ✗ return AVERROR(EINVAL);
2948 }
2949
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 2 if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2950 ✗ ul_index = 0;
2951
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 2 } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && ntsc) {
2952 ✗ ul_index = 1;
2953
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 2 } else if (sc->video_bit_rate == 40000000) {
2954 ✗ ul_index = 2+ntsc;
2955
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 2 } else if (sc->video_bit_rate == 30000000) {
2956 2 ul_index = 4+ntsc;
2957 } else {
2958 ✗ av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2959 ✗ return -1;
2960 }
2961
2962 2 sc->codec_ul = &mxf_d10_codec_uls[ul_index];
2963 2 sc->container_ul = &mxf_d10_container_uls[ul_index];
2964 2 sc->index = INDEX_D10_VIDEO;
2965 2 sc->signal_standard = 1;
2966 2 sc->color_siting = 0;
2967 2 sc->frame_size = (int64_t)sc->video_bit_rate *
2968 2 mxf->time_base.num / (8*mxf->time_base.den);
2969 }
2970
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 16 if (mxf->signal_standard >= 0)
2971 ✗ sc->signal_standard = mxf->signal_standard;
2972
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 13 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2973 char bsf_arg[32];
2974
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 13 if (st->codecpar->sample_rate != 48000) {
2975 ✗ av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2976 ✗ return -1;
2977 }
2978 13 avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2979
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 13 if (IS_D10(s)) {
2980
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 1 if (st->index != 1) {
2981 ✗ av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2982 ✗ return -1;
2983 }
2984
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 1 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2985 ✗ st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2986 ✗ av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2987 }
2988 1 sc->index = INDEX_D10_AUDIO;
2989 1 sc->container_ul = ((MXFStreamContext*)s->streams[0]->priv_data)->container_ul;
2990 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;
2991
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 12 } else if (IS_OPATOM(s)) {
2992 1 AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2993
2994
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 1 if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2995 ✗ st->codecpar->codec_id != AV_CODEC_ID_PCM_S24LE) {
2996 ✗ av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2997 ✗ return AVERROR_PATCHWELCOME;
2998 }
2999
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 1 if (st->codecpar->ch_layout.nb_channels != 1) {
3000 ✗ av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
3001 ✗ return AVERROR(EINVAL);
3002 }
3003
3004 1 mxf->time_base = st->time_base;
3005
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 1 if((ret = mxf_init_timecode(s, st, tbc)) < 0)
3006 ✗ return ret;
3007
3008 1 mxf->edit_unit_byte_count = (av_get_bits_per_sample(st->codecpar->codec_id) * st->codecpar->ch_layout.nb_channels) >> 3;
3009 1 sc->index = INDEX_WAV;
3010 } else {
3011 11 mxf->slice_count = 1;
3012 22 sc->frame_size = st->codecpar->ch_layout.nb_channels *
3013 22 av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) *
3014 11 av_get_bits_per_sample(st->codecpar->codec_id) / 8;
3015 }
3016 13 snprintf(bsf_arg, sizeof(bsf_arg), "r=%d/%d", mxf->tc.rate.num, mxf->tc.rate.den);
3017 13 ret = ff_stream_add_bitstream_filter(st, "pcm_rechunk", bsf_arg);
3018
1/2
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 13 if (ret < 0)
3019 ✗ return ret;
3020 ✗ } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
3021 ✗ AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0);
3022 ✗ if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) {
3023 ✗ sc->index = INDEX_S436M;
3024 } else {
3025 ✗ av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i);
3026 ✗ return -1;
3027 }
3028 ✗ if (st->index != s->nb_streams - 1) {
3029 ✗ av_log(s, AV_LOG_ERROR, "data track must be placed last\n");
3030 ✗ return -1;
3031 }
3032 }
3033
3034
2/2
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 29 if (sc->index == -1) {
3035 25 sc->index = mxf_get_essence_container_ul_index(st->codecpar->codec_id);
3036
1/2
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 25 if (sc->index == -1) {
3037 ✗ av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
3038 "codec not currently supported in container\n", i);
3039 ✗ return -1;
3040 }
3041 }
3042
3043
2/2
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✓ Branch 1 taken 2 times.
 29 if (!sc->codec_ul)
3044 27 sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
3045
2/2
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✓ Branch 1 taken 3 times.
 29 if (!sc->container_ul)
3046 26 sc->container_ul = &mxf_essence_container_uls[sc->index].container_ul;
3047
3048 29 memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
3049 29 sc->track_essence_element_key[15] = present[sc->index];
3050
4/4
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 29 if (IS_OPATOM(s) && st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
3051 // clip-wrapping requires 0x0D per ST2019-4:2009 or 0x06 per previous version ST2019-4:2008
3052 // we choose to use 0x06 instead 0x0D to be compatible with AVID systems
3053 // and produce mxf files with the most relevant flavour for opatom
3054 1 sc->track_essence_element_key[14] = 0x06;
3055 }
3056 PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
3057
3058
2/2
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✓ Branch 1 taken 1 times.
 29 if (!present[sc->index])
3059 28 mxf->essence_container_count++;
3060 29 present[sc->index]++;
3061 }
3062
3063
4/4
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 17 if (IS_D10(s) || IS_OPATOM(s)) {
3064 5 mxf->essence_container_count = 1;
3065 }
3066
3067
1/2
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 17 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3068 ✗ mxf_gen_umid(s);
3069
3070
2/2
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 46 for (i = 0; i < s->nb_streams; i++) {
3071 29 MXFStreamContext *sc = s->streams[i]->priv_data;
3072 // update element count
3073 29 sc->track_essence_element_key[13] = present[sc->index];
3074
2/2
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✓ Branch 1 taken 26 times.
 29 if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[INDEX_DV].element_ul, 13)) // DV
3075 3 sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
3076 else
3077 26 sc->order = AV_RB32(sc->track_essence_element_key+12);
3078 }
3079
3080
1/2
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 17 if (ff_parse_creation_time_metadata(s, &timestamp, 0) > 0)
3081 ✗ mxf->timestamp = mxf_parse_timestamp(timestamp);
3082 17 mxf->duration = -1;
3083
3084 17 mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
3085
1/2
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 17 if (!mxf->timecode_track)
3086 ✗ return AVERROR(ENOMEM);
3087 17 mxf->timecode_track->priv_data = &mxf->timecode_track_priv;
3088 17 mxf->timecode_track->index = -1;
3089
3090 17 return 0;
3091 }
3092
3093 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
3094 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 };
3095
3096 262 static void mxf_write_system_item(AVFormatContext *s)
3097 {
3098 262 MXFContext *mxf = s->priv_data;
3099 262 AVIOContext *pb = s->pb;
3100 unsigned frame;
3101 uint32_t time_code;
3102 262 int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present
3103
3104 262 frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
3105
3106 // write system metadata pack
3107 262 avio_write(pb, system_metadata_pack_key, 16);
3108 262 klv_encode_ber4_length(pb, 57);
3109
3110
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 740 for (i = 0; i < s->nb_streams; i++) {
3111
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 478 if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
3112 216 system_item_bitmap |= 0x4;
3113
1/2
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 262 else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA)
3114 ✗ system_item_bitmap |= 0x2;
3115 }
3116 262 avio_w8(pb, system_item_bitmap);
3117 262 avio_w8(pb, mxf->content_package_rate); // content package rate
3118 262 avio_w8(pb, 0x00); // content package type
3119 262 avio_wb16(pb, 0x00); // channel handle
3120 262 avio_wb16(pb, frame & 0xFFFF); // continuity count, supposed to overflow
3121
2/2
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 262 if (mxf->essence_container_count > 1)
3122 186 avio_write(pb, multiple_desc_ul, 16);
3123 else {
3124 76 MXFStreamContext *sc = s->streams[0]->priv_data;
3125 76 avio_write(pb, *sc->container_ul, 16);
3126 }
3127 262 avio_w8(pb, 0);
3128 262 avio_wb64(pb, 0);
3129 262 avio_wb64(pb, 0); // creation date/time stamp
3130
3131 262 avio_w8(pb, 0x81); // SMPTE 12M time code
3132 262 time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
3133 262 avio_wb32(pb, time_code);
3134 262 avio_wb32(pb, 0); // binary group data
3135 262 avio_wb64(pb, 0);
3136
3137 // write system metadata package set
3138 262 avio_write(pb, system_metadata_package_set_key, 16);
3139 262 klv_encode_ber4_length(pb, 35);
3140 262 avio_w8(pb, 0x83); // UMID
3141 262 avio_wb16(pb, 0x20);
3142 262 mxf_write_umid(s, 1);
3143 262 }
3144
3145 25 static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
3146 {
3147 25 MXFContext *mxf = s->priv_data;
3148 25 AVIOContext *pb = s->pb;
3149 25 int frame_size = pkt->size / st->codecpar->block_align;
3150 25 const uint8_t *samples = pkt->data;
3151 25 const uint8_t *const end = pkt->data + pkt->size;
3152 int i;
3153
3154 25 klv_encode_ber4_length(pb, 4 + frame_size*4*8);
3155
3156
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 25 avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
3157 25 avio_wl16(pb, frame_size);
3158 25 avio_w8(pb, (1 << st->codecpar->ch_layout.nb_channels)-1);
3159
3160
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 48025 while (samples < end) {
3161
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 144000 for (i = 0; i < st->codecpar->ch_layout.nb_channels; i++) {
3162 uint32_t sample;
3163
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 96000 if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
3164 ✗ sample = AV_RL24(samples)<< 4;
3165 ✗ samples += 3;
3166 } else {
3167 96000 sample = AV_RL16(samples)<<12;
3168 96000 samples += 2;
3169 }
3170 96000 avio_wl32(pb, sample | i);
3171 }
3172
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 336000 for (; i < 8; i++)
3173 288000 avio_wl32(pb, i);
3174 }
3175 25 }
3176
3177 6 static int mxf_write_opatom_body_partition(AVFormatContext *s)
3178 {
3179 6 MXFContext *mxf = s->priv_data;
3180 6 AVIOContext *pb = s->pb;
3181 6 AVStream *st = s->streams[0];
3182 6 MXFStreamContext *sc = st->priv_data;
3183 6 const uint8_t *key = NULL;
3184
3185 int err;
3186
3187
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 6 if (!mxf->header_written)
3188 3 key = body_partition_key;
3189
3190
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 6 if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
3191 ✗ return err;
3192 6 mxf_write_klv_fill(s);
3193 6 avio_write(pb, sc->track_essence_element_key, 16);
3194 6 klv_encode_ber9_length(pb, mxf->body_offset);
3195 6 return 0;
3196 }
3197
3198 54 static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
3199 {
3200 54 MXFContext *mxf = s->priv_data;
3201 54 AVIOContext *pb = s->pb;
3202
3203 int err;
3204
3205
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 54 if (!mxf->header_written) {
3206
1/2
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 3 if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
3207 ✗ return err;
3208 3 mxf_write_klv_fill(s);
3209
3210
1/2
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 3 if ((err = mxf_write_opatom_body_partition(s)) < 0)
3211 ✗ return err;
3212 3 mxf->header_written = 1;
3213 }
3214
3215
2/2
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 54 if (!mxf->edit_unit_byte_count) {
3216 4 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
3217 4 mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
3218 4 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie->temporal_ref;
3219 }
3220 54 mxf->edit_units_count++;
3221 54 avio_write(pb, pkt->data, pkt->size);
3222 54 mxf->body_offset += pkt->size;
3223
3224 54 return 0;
3225 }
3226
3227 6 static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
3228 {
3229 6 MXFContext *mxf = s->priv_data;
3230 int i;
3231
3232
2/2
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 6 if (IS_OPATOM(s)) {
3233 1 MXFStreamContext *sc = s->streams[0]->priv_data;
3234 1 mxf->edit_unit_byte_count = sc->frame_size;
3235 1 return;
3236 }
3237
3238 5 mxf->edit_unit_byte_count = KAG_SIZE; // system element
3239
2/2
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 14 for (i = 0; i < s->nb_streams; i++) {
3240 9 AVStream *st = s->streams[i];
3241 9 MXFStreamContext *sc = st->priv_data;
3242 9 sc->slice_offset = mxf->edit_unit_byte_count;
3243 9 mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
3244 9 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
3245 }
3246 }
3247
3248 532 static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
3249 {
3250 532 MXFContext *mxf = s->priv_data;
3251 532 AVIOContext *pb = s->pb;
3252 532 AVStream *st = s->streams[pkt->stream_index];
3253 532 MXFStreamContext *sc = st->priv_data;
3254 532 MXFIndexEntry ie = {0};
3255 int err;
3256
3257
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 532 if (!mxf->header_written && pkt->stream_index != 0 &&
3258 ✗ !IS_OPATOM(s)) {
3259 ✗ av_log(s, AV_LOG_ERROR, "Received non-video packet before "
3260 "header has been written\n");
3261 ✗ return AVERROR_INVALIDDATA;
3262 }
3263
3264
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 532 if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
3265
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 10 if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
3266 10 + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
3267 ✗ mxf->edit_units_count = 0;
3268 ✗ av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
3269 ✗ return err;
3270 }
3271 }
3272
3273
2/2
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 532 if (st->codecpar->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
3274
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 161 if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
3275 ✗ av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
3276 ✗ return -1;
3277 }
3278
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 371 } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
3279
1/2
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 25 if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
3280 ✗ av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
3281 ✗ return -1;
3282 }
3283
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 346 } else if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) {
3284
1/2
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 5 if (!mxf_parse_prores_frame(s, st, pkt)) {
3285 ✗ av_log(s, AV_LOG_ERROR, "could not get prores profile\n");
3286 ✗ return -1;
3287 }
3288
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 341 } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
3289
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 75 if (!mxf_parse_dv_frame(s, st, pkt)) {
3290 ✗ av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
3291 ✗ return -1;
3292 }
3293
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 266 } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
3294 ✗ if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
3295 ✗ av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
3296 ✗ return -1;
3297 }
3298
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 266 } else if (st->codecpar->codec_id == AV_CODEC_ID_FFV1) {
3299
1/2
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 25 if (!mxf_parse_ffv1_frame(s, st, pkt)) {
3300 ✗ av_log(s, AV_LOG_ERROR, "could not get ffv1 version\n");
3301 ✗ return -1;
3302 }
3303
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 241 } else if (st->codecpar->codec_id == AV_CODEC_ID_JPEG2000) {
3304 ✗ if (!mxf_parse_jpeg2000_frame(s, st, pkt)) {
3305 ✗ av_log(s, AV_LOG_ERROR, "could not get jpeg2000 profile\n");
3306 ✗ return -1;
3307 }
3308 }
3309
3310
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 532 if (mxf->cbr_index) {
3311
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 250 if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
3312 ✗ av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
3313 st->index, pkt->size, sc->frame_size);
3314 ✗ return -1;
3315 }
3316
2/2
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 250 if (!mxf->header_written)
3317 6 mxf_compute_edit_unit_byte_count(s);
3318 }
3319
3320
2/2
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 532 if (IS_OPATOM(s))
3321 54 return mxf_write_opatom_packet(s, pkt, &ie);
3322
3323
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 478 if (!mxf->header_written) {
3324
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 14 if (mxf->edit_unit_byte_count) {
3325
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 5 if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
3326 ✗ return err;
3327 5 mxf_write_klv_fill(s);
3328 5 mxf_write_index_table_segment(s);
3329 } else {
3330
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)
3331 ✗ return err;
3332 }
3333 14 mxf->header_written = 1;
3334 }
3335
3336
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 478 if (st->index == 0) {
3337
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 262 if (!mxf->edit_unit_byte_count &&
3338
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 137 (!mxf->edit_units_count || mxf->edit_units_count > EDIT_UNITS_PER_BODY) &&
3339
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✗ Branch 1 not taken.
 9 !(ie.flags & 0x33)) { // I-frame, GOP start
3340 9 mxf_write_klv_fill(s);
3341
1/2
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 9 if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
3342 ✗ return err;
3343 9 mxf_write_klv_fill(s);
3344 9 mxf_write_index_table_segment(s);
3345 }
3346
3347 262 mxf_write_klv_fill(s);
3348 262 mxf_write_system_item(s);
3349
3350
2/2
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 262 if (!mxf->edit_unit_byte_count) {
3351 137 mxf->index_entries[mxf->edit_units_count].offset = mxf->body_offset;
3352 137 mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
3353 137 mxf->index_entries[mxf->edit_units_count].temporal_ref = ie.temporal_ref;
3354 137 mxf->body_offset += KAG_SIZE; // size of system element
3355 }
3356 262 mxf->edit_units_count++;
3357
4/4
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 216 } else if (!mxf->edit_unit_byte_count && st->index == 1) {
3358
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 111 if (!mxf->edit_units_count) {
3359 ✗ av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
3360 ✗ return AVERROR_PATCHWELCOME;
3361 }
3362 111 mxf->index_entries[mxf->edit_units_count-1].slice_offset =
3363 111 mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
3364 }
3365
3366 478 mxf_write_klv_fill(s);
3367 478 avio_write(pb, sc->track_essence_element_key, 16); // write key
3368
4/4
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 478 if (IS_D10(s) && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
3369 25 mxf_write_d10_audio_packet(s, st, pkt);
3370 } else {
3371 453 klv_encode_ber4_length(pb, pkt->size); // write length
3372 453 avio_write(pb, pkt->data, pkt->size);
3373 453 mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
3374 }
3375
3376 478 return 0;
3377 }
3378
3379 17 static void mxf_write_random_index_pack(AVFormatContext *s)
3380 {
3381 17 MXFContext *mxf = s->priv_data;
3382 17 AVIOContext *pb = s->pb;
3383 17 uint64_t pos = avio_tell(pb);
3384 int i;
3385
3386 17 avio_write(pb, ff_mxf_random_index_pack_key, 16);
3387 17 klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
3388
3389
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 17 if (mxf->edit_unit_byte_count && !IS_OPATOM(s))
3390 5 avio_wb32(pb, 1); // BodySID of header partition
3391 else
3392 12 avio_wb32(pb, 0);
3393 17 avio_wb64(pb, 0); // offset of header partition
3394
3395
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 29 for (i = 0; i < mxf->body_partitions_count; i++) {
3396 12 avio_wb32(pb, 1); // BodySID
3397 12 avio_wb64(pb, mxf->body_partition_offset[i]);
3398 }
3399
3400 17 avio_wb32(pb, 0); // BodySID of footer partition
3401 17 avio_wb64(pb, mxf->footer_partition_offset);
3402
3403 17 avio_wb32(pb, avio_tell(pb) - pos + 4);
3404 17 }
3405
3406 17 static int mxf_write_footer(AVFormatContext *s)
3407 {
3408 17 MXFContext *mxf = s->priv_data;
3409 17 AVIOContext *pb = s->pb;
3410 int i, err;
3411
3412
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 17 if (!mxf->header_written ||
3413
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 17 (IS_OPATOM(s) && !mxf->body_partition_offset)) {
3414 /* reason could be invalid options/not supported codec/out of memory */
3415 ✗ return AVERROR_UNKNOWN;
3416 }
3417
3418 17 mxf->duration = mxf->last_indexed_edit_unit + mxf->edit_units_count;
3419
3420 17 mxf_write_klv_fill(s);
3421 17 mxf->footer_partition_offset = avio_tell(pb);
3422
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 17 if (mxf->edit_unit_byte_count && !IS_OPATOM(s)) { // no need to repeat index
3423
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 5 if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
3424 ✗ return err;
3425 } else {
3426
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 12 if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
3427 ✗ return err;
3428 12 mxf_write_klv_fill(s);
3429 12 mxf_write_index_table_segment(s);
3430 }
3431
3432 17 mxf_write_klv_fill(s);
3433 17 mxf_write_random_index_pack(s);
3434
3435
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 17 if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
3436
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 17 if (IS_OPATOM(s)) {
3437 /* rewrite body partition to update lengths */
3438 3 avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
3439
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 3 if ((err = mxf_write_opatom_body_partition(s)) < 0)
3440 ✗ return err;
3441 }
3442
3443 17 avio_seek(pb, 0, SEEK_SET);
3444
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 17 if (mxf->edit_unit_byte_count && !IS_OPATOM(s)) {
3445
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 5 if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
3446 ✗ return err;
3447 5 mxf_write_klv_fill(s);
3448 5 mxf_write_index_table_segment(s);
3449 } else {
3450
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 12 if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
3451 ✗ return err;
3452 }
3453 // update footer partition offset
3454
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 29 for (i = 0; i < mxf->body_partitions_count; i++) {
3455 12 avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
3456 12 avio_wb64(pb, mxf->footer_partition_offset);
3457 }
3458 }
3459
3460 17 return 0;
3461 }
3462
3463 17 static void mxf_deinit(AVFormatContext *s)
3464 {
3465 17 MXFContext *mxf = s->priv_data;
3466
3467 17 av_freep(&mxf->index_entries);
3468 17 av_freep(&mxf->body_partition_offset);
3469 17 av_freep(&mxf->timecode_track);
3470 17 }
3471
3472 1094 static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, int flush)
3473 {
3474 1094 FFFormatContext *const si = ffformatcontext(s);
3475 1094 int i, stream_count = 0;
3476
3477
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 3097 for (i = 0; i < s->nb_streams; i++)
3478 2003 stream_count += !!ffstream(s->streams[i])->last_in_packet_buffer;
3479
3480
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 1094 if (stream_count && (s->nb_streams == stream_count || flush)) {
3481 532 PacketListEntry *pktl = si->packet_buffer.head;
3482
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 532 if (s->nb_streams != stream_count) {
3483 12 PacketListEntry *last = NULL;
3484 // find last packet in edit unit
3485
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 25 while (pktl) {
3486
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 14 if (!stream_count || pktl->pkt.stream_index == 0)
3487 break;
3488 // update last packet in packet buffer
3489
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 13 if (ffstream(s->streams[pktl->pkt.stream_index])->last_in_packet_buffer != pktl)
3490 1 ffstream(s->streams[pktl->pkt.stream_index])->last_in_packet_buffer = pktl;
3491 13 last = pktl;
3492 13 pktl = pktl->next;
3493 13 stream_count--;
3494 }
3495 // purge packet queue
3496
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 25 while (pktl) {
3497 13 PacketListEntry *next = pktl->next;
3498 13 av_packet_unref(&pktl->pkt);
3499 13 av_freep(&pktl);
3500 13 pktl = next;
3501 }
3502
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 12 if (last)
3503 12 last->next = NULL;
3504 else {
3505 ✗ si->packet_buffer.head = NULL;
3506 ✗ si->packet_buffer.tail = NULL;
3507 ✗ goto out;
3508 }
3509 12 pktl = si->packet_buffer.head;
3510 }
3511
3512
2/2
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 532 if (ffstream(s->streams[pktl->pkt.stream_index])->last_in_packet_buffer == pktl)
3513 344 ffstream(s->streams[pktl->pkt.stream_index])->last_in_packet_buffer = NULL;
3514 532 avpriv_packet_list_get(&si->packet_buffer, out);
3515 532 av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", out->stream_index, out->dts);
3516 532 return 1;
3517 } else {
3518 562 out:
3519 562 return 0;
3520 }
3521 }
3522
3523 611 static int mxf_compare_timestamps(AVFormatContext *s, const AVPacket *next,
3524 const AVPacket *pkt)
3525 {
3526 611 MXFStreamContext *sc = s->streams[pkt ->stream_index]->priv_data;
3527 611 MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3528
3529
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 1026 return next->dts > pkt->dts ||
3530
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✓ Branch 3 taken 30 times.
 415 (next->dts == pkt->dts && sc->order < sc2->order);
3531 }
3532
3533 1094 static int mxf_interleave(AVFormatContext *s, AVPacket *pkt,
3534 int flush, int has_packet)
3535 {
3536 int ret;
3537
2/2
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 1094 if (has_packet) {
3538 545 MXFStreamContext *sc = s->streams[pkt->stream_index]->priv_data;
3539 545 pkt->pts = pkt->dts = sc->pkt_cnt++;
3540
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 545 if ((ret = ff_interleave_add_packet(s, pkt, mxf_compare_timestamps)) < 0)
3541 ✗ return ret;
3542 }
3543 1094 return mxf_interleave_get_packet(s, pkt, flush);
3544 }
3545
3546 26 static int mxf_check_bitstream(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
3547 {
3548
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 26 if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
3549 ✗ if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
3550 ✗ AV_RB24(pkt->data) != 0x000001)
3551 ✗ return ff_stream_add_bitstream_filter(st, "h264_mp4toannexb", NULL);
3552 }
3553 26 return 1;
3554 }
3555
3556 #define MXF_COMMON_OPTIONS \
3557 { "signal_standard", "Force/set Signal Standard",\
3558 offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3559 { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3560 0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3561 { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3562 0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3563 { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3564 0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3565 { "smpte274m", "SMPTE 274M (1125 line)",\
3566 0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3567 { "smpte296m", "SMPTE 296M (750 line progressive)",\
3568 0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3569 { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3570 0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
3571 { "smpte428", "SMPTE 428-1 DCDM",\
3572 0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},
3573
3574
3575
3576 static const AVOption mxf_options[] = {
3577 MXF_COMMON_OPTIONS
3578 { "store_user_comments", "",
3579 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3580 { NULL },
3581 };
3582
3583 static const AVClass mxf_muxer_class = {
3584 .class_name = "MXF muxer",
3585 .item_name = av_default_item_name,
3586 .option = mxf_options,
3587 .version = LIBAVUTIL_VERSION_INT,
3588 };
3589
3590 static const AVOption d10_options[] = {
3591 { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3592 offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3593 MXF_COMMON_OPTIONS
3594 { "store_user_comments", "",
3595 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3596 { NULL },
3597 };
3598
3599 static const AVClass mxf_d10_muxer_class = {
3600 .class_name = "MXF-D10 muxer",
3601 .item_name = av_default_item_name,
3602 .option = d10_options,
3603 .version = LIBAVUTIL_VERSION_INT,
3604 };
3605
3606 static const AVOption opatom_options[] = {
3607 { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3608 offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3609 MXF_COMMON_OPTIONS
3610 { "store_user_comments", "",
3611 offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3612 { NULL },
3613 };
3614
3615 static const AVClass mxf_opatom_muxer_class = {
3616 .class_name = "MXF-OPAtom muxer",
3617 .item_name = av_default_item_name,
3618 .option = opatom_options,
3619 .version = LIBAVUTIL_VERSION_INT,
3620 };
3621
3622 const FFOutputFormat ff_mxf_muxer = {
3623 .p.name = "mxf",
3624 .p.long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3625 .p.mime_type = "application/mxf",
3626 .p.extensions = "mxf",
3627 .priv_data_size = sizeof(MXFContext),
3628 .p.audio_codec = AV_CODEC_ID_PCM_S16LE,
3629 .p.video_codec = AV_CODEC_ID_MPEG2VIDEO,
3630 .init = mxf_init,
3631 .write_packet = mxf_write_packet,
3632 .write_trailer = mxf_write_footer,
3633 .deinit = mxf_deinit,
3634 .p.flags = AVFMT_NOTIMESTAMPS,
3635 .interleave_packet = mxf_interleave,
3636 .p.priv_class = &mxf_muxer_class,
3637 .check_bitstream = mxf_check_bitstream,
3638 };
3639
3640 const FFOutputFormat ff_mxf_d10_muxer = {
3641 .p.name = "mxf_d10",
3642 .p.long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3643 .p.mime_type = "application/mxf",
3644 .priv_data_size = sizeof(MXFContext),
3645 .p.audio_codec = AV_CODEC_ID_PCM_S16LE,
3646 .p.video_codec = AV_CODEC_ID_MPEG2VIDEO,
3647 .init = mxf_init,
3648 .write_packet = mxf_write_packet,
3649 .write_trailer = mxf_write_footer,
3650 .deinit = mxf_deinit,
3651 .p.flags = AVFMT_NOTIMESTAMPS,
3652 .interleave_packet = mxf_interleave,
3653 .p.priv_class = &mxf_d10_muxer_class,
3654 };
3655
3656 const FFOutputFormat ff_mxf_opatom_muxer = {
3657 .p.name = "mxf_opatom",
3658 .p.long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3659 .p.mime_type = "application/mxf",
3660 .p.extensions = "mxf",
3661 .priv_data_size = sizeof(MXFContext),
3662 .p.audio_codec = AV_CODEC_ID_PCM_S16LE,
3663 .p.video_codec = AV_CODEC_ID_DNXHD,
3664 .init = mxf_init,
3665 .write_packet = mxf_write_packet,
3666 .write_trailer = mxf_write_footer,
3667 .deinit = mxf_deinit,
3668 .p.flags = AVFMT_NOTIMESTAMPS,
3669 .interleave_packet = mxf_interleave,
3670 .p.priv_class = &mxf_opatom_muxer_class,
3671 .check_bitstream = mxf_check_bitstream,
3672 };
3673