1 |
|
|
/* |
2 |
|
|
* This file is part of FFmpeg. |
3 |
|
|
* |
4 |
|
|
* FFmpeg is free software; you can redistribute it and/or |
5 |
|
|
* modify it under the terms of the GNU Lesser General Public |
6 |
|
|
* License as published by the Free Software Foundation; either |
7 |
|
|
* version 2.1 of the License, or (at your option) any later version. |
8 |
|
|
* |
9 |
|
|
* FFmpeg is distributed in the hope that it will be useful, |
10 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 |
|
|
* Lesser General Public License for more details. |
13 |
|
|
* |
14 |
|
|
* You should have received a copy of the GNU Lesser General Public |
15 |
|
|
* License along with FFmpeg; if not, write to the Free Software |
16 |
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 |
|
|
*/ |
18 |
|
|
|
19 |
|
|
#include "config.h" |
20 |
|
|
|
21 |
|
|
#include <stdint.h> |
22 |
|
|
|
23 |
|
|
#include "libavutil/common.h" |
24 |
|
|
#include "libavutil/intreadwrite.h" |
25 |
|
|
#include "libavutil/log.h" |
26 |
|
|
#include "libavutil/pixdesc.h" |
27 |
|
|
|
28 |
|
|
#include "avcodec.h" |
29 |
|
|
#include "dv_profile.h" |
30 |
|
|
#include "dv_profile_internal.h" |
31 |
|
|
|
32 |
|
|
#if CONFIG_DVPROFILE |
33 |
|
|
|
34 |
|
|
static const uint8_t dv_audio_shuffle525[10][9] = { |
35 |
|
|
{ 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */ |
36 |
|
|
{ 6, 36, 66, 26, 56, 86, 16, 46, 76 }, |
37 |
|
|
{ 12, 42, 72, 2, 32, 62, 22, 52, 82 }, |
38 |
|
|
{ 18, 48, 78, 8, 38, 68, 28, 58, 88 }, |
39 |
|
|
{ 24, 54, 84, 14, 44, 74, 4, 34, 64 }, |
40 |
|
|
|
41 |
|
|
{ 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */ |
42 |
|
|
{ 7, 37, 67, 27, 57, 87, 17, 47, 77 }, |
43 |
|
|
{ 13, 43, 73, 3, 33, 63, 23, 53, 83 }, |
44 |
|
|
{ 19, 49, 79, 9, 39, 69, 29, 59, 89 }, |
45 |
|
|
{ 25, 55, 85, 15, 45, 75, 5, 35, 65 }, |
46 |
|
|
}; |
47 |
|
|
|
48 |
|
|
static const uint8_t dv_audio_shuffle625[12][9] = { |
49 |
|
|
{ 0, 36, 72, 26, 62, 98, 16, 52, 88 }, /* 1st channel */ |
50 |
|
|
{ 6, 42, 78, 32, 68, 104, 22, 58, 94 }, |
51 |
|
|
{ 12, 48, 84, 2, 38, 74, 28, 64, 100 }, |
52 |
|
|
{ 18, 54, 90, 8, 44, 80, 34, 70, 106 }, |
53 |
|
|
{ 24, 60, 96, 14, 50, 86, 4, 40, 76 }, |
54 |
|
|
{ 30, 66, 102, 20, 56, 92, 10, 46, 82 }, |
55 |
|
|
|
56 |
|
|
{ 1, 37, 73, 27, 63, 99, 17, 53, 89 }, /* 2nd channel */ |
57 |
|
|
{ 7, 43, 79, 33, 69, 105, 23, 59, 95 }, |
58 |
|
|
{ 13, 49, 85, 3, 39, 75, 29, 65, 101 }, |
59 |
|
|
{ 19, 55, 91, 9, 45, 81, 35, 71, 107 }, |
60 |
|
|
{ 25, 61, 97, 15, 51, 87, 5, 41, 77 }, |
61 |
|
|
{ 31, 67, 103, 21, 57, 93, 11, 47, 83 }, |
62 |
|
|
}; |
63 |
|
|
|
64 |
|
|
/* macroblock bit budgets */ |
65 |
|
|
static const uint8_t block_sizes_dv2550[8] = { |
66 |
|
|
112, 112, 112, 112, 80, 80, 0, 0, |
67 |
|
|
}; |
68 |
|
|
|
69 |
|
|
static const uint8_t block_sizes_dv100[8] = { |
70 |
|
|
80, 80, 80, 80, 80, 80, 64, 64, |
71 |
|
|
}; |
72 |
|
|
|
73 |
|
|
static const AVDVProfile dv_profiles[] = { |
74 |
|
|
{ .dsf = 0, |
75 |
|
|
.video_stype = 0x0, |
76 |
|
|
.frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */ |
77 |
|
|
.difseg_size = 10, |
78 |
|
|
.n_difchan = 1, |
79 |
|
|
.time_base = { 1001, 30000 }, |
80 |
|
|
.ltc_divisor = 30, |
81 |
|
|
.height = 480, |
82 |
|
|
.width = 720, |
83 |
|
|
.sar = { { 8, 9 }, { 32, 27 } }, |
84 |
|
|
.pix_fmt = AV_PIX_FMT_YUV411P, |
85 |
|
|
.bpm = 6, |
86 |
|
|
.block_sizes = block_sizes_dv2550, |
87 |
|
|
.audio_stride = 90, |
88 |
|
|
.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ |
89 |
|
|
.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ |
90 |
|
|
.audio_shuffle = dv_audio_shuffle525, }, |
91 |
|
|
{ .dsf = 1, |
92 |
|
|
.video_stype = 0x0, |
93 |
|
|
.frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */ |
94 |
|
|
.difseg_size = 12, |
95 |
|
|
.n_difchan = 1, |
96 |
|
|
.time_base = { 1, 25 }, |
97 |
|
|
.ltc_divisor = 25, |
98 |
|
|
.height = 576, |
99 |
|
|
.width = 720, |
100 |
|
|
.sar = { { 16, 15 }, { 64, 45 } }, |
101 |
|
|
.pix_fmt = AV_PIX_FMT_YUV420P, |
102 |
|
|
.bpm = 6, |
103 |
|
|
.block_sizes = block_sizes_dv2550, |
104 |
|
|
.audio_stride = 108, |
105 |
|
|
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ |
106 |
|
|
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, |
107 |
|
|
.audio_shuffle = dv_audio_shuffle625, }, |
108 |
|
|
{ .dsf = 1, |
109 |
|
|
.video_stype = 0x0, |
110 |
|
|
.frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */ |
111 |
|
|
.difseg_size = 12, |
112 |
|
|
.n_difchan = 1, |
113 |
|
|
.time_base = { 1, 25 }, |
114 |
|
|
.ltc_divisor = 25, |
115 |
|
|
.height = 576, |
116 |
|
|
.width = 720, |
117 |
|
|
.sar = { { 16, 15 }, { 64, 45 } }, |
118 |
|
|
.pix_fmt = AV_PIX_FMT_YUV411P, |
119 |
|
|
.bpm = 6, |
120 |
|
|
.block_sizes = block_sizes_dv2550, |
121 |
|
|
.audio_stride = 108, |
122 |
|
|
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ |
123 |
|
|
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, |
124 |
|
|
.audio_shuffle = dv_audio_shuffle625, }, |
125 |
|
|
{ .dsf = 0, |
126 |
|
|
.video_stype = 0x4, |
127 |
|
|
.frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */ |
128 |
|
|
.difseg_size = 10, /* also known as "DVCPRO50" */ |
129 |
|
|
.n_difchan = 2, |
130 |
|
|
.time_base = { 1001, 30000 }, |
131 |
|
|
.ltc_divisor = 30, |
132 |
|
|
.height = 480, |
133 |
|
|
.width = 720, |
134 |
|
|
.sar = { { 8, 9 }, { 32, 27 } }, |
135 |
|
|
.pix_fmt = AV_PIX_FMT_YUV422P, |
136 |
|
|
.bpm = 6, |
137 |
|
|
.block_sizes = block_sizes_dv2550, |
138 |
|
|
.audio_stride = 90, |
139 |
|
|
.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ |
140 |
|
|
.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ |
141 |
|
|
.audio_shuffle = dv_audio_shuffle525, }, |
142 |
|
|
{ .dsf = 1, |
143 |
|
|
.video_stype = 0x4, |
144 |
|
|
.frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */ |
145 |
|
|
.difseg_size = 12, /* also known as "DVCPRO50" */ |
146 |
|
|
.n_difchan = 2, |
147 |
|
|
.time_base = { 1, 25 }, |
148 |
|
|
.ltc_divisor = 25, |
149 |
|
|
.height = 576, |
150 |
|
|
.width = 720, |
151 |
|
|
.sar = { { 16, 15 }, { 64, 45 } }, |
152 |
|
|
.pix_fmt = AV_PIX_FMT_YUV422P, |
153 |
|
|
.bpm = 6, |
154 |
|
|
.block_sizes = block_sizes_dv2550, |
155 |
|
|
.audio_stride = 108, |
156 |
|
|
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ |
157 |
|
|
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, |
158 |
|
|
.audio_shuffle = dv_audio_shuffle625, }, |
159 |
|
|
{ .dsf = 0, |
160 |
|
|
.video_stype = 0x14, |
161 |
|
|
.frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */ |
162 |
|
|
.difseg_size = 10, /* also known as "DVCPRO HD" */ |
163 |
|
|
.n_difchan = 4, |
164 |
|
|
.time_base = { 1001, 30000 }, |
165 |
|
|
.ltc_divisor = 30, |
166 |
|
|
.height = 1080, |
167 |
|
|
.width = 1280, |
168 |
|
|
.sar = { { 1, 1 }, { 3, 2 } }, |
169 |
|
|
.pix_fmt = AV_PIX_FMT_YUV422P, |
170 |
|
|
.bpm = 8, |
171 |
|
|
.block_sizes = block_sizes_dv100, |
172 |
|
|
.audio_stride = 90, |
173 |
|
|
.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ |
174 |
|
|
.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ |
175 |
|
|
.audio_shuffle = dv_audio_shuffle525, }, |
176 |
|
|
{ .dsf = 1, |
177 |
|
|
.video_stype = 0x14, |
178 |
|
|
.frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */ |
179 |
|
|
.difseg_size = 12, /* also known as "DVCPRO HD" */ |
180 |
|
|
.n_difchan = 4, |
181 |
|
|
.time_base = { 1, 25 }, |
182 |
|
|
.ltc_divisor = 25, |
183 |
|
|
.height = 1080, |
184 |
|
|
.width = 1440, |
185 |
|
|
.sar = { { 1, 1 }, { 4, 3 } }, |
186 |
|
|
.pix_fmt = AV_PIX_FMT_YUV422P, |
187 |
|
|
.bpm = 8, |
188 |
|
|
.block_sizes = block_sizes_dv100, |
189 |
|
|
.audio_stride = 108, |
190 |
|
|
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ |
191 |
|
|
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, |
192 |
|
|
.audio_shuffle = dv_audio_shuffle625, }, |
193 |
|
|
{ .dsf = 0, |
194 |
|
|
.video_stype = 0x18, |
195 |
|
|
.frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */ |
196 |
|
|
.difseg_size = 10, /* also known as "DVCPRO HD" */ |
197 |
|
|
.n_difchan = 2, |
198 |
|
|
.time_base = { 1001, 60000 }, |
199 |
|
|
.ltc_divisor = 60, |
200 |
|
|
.height = 720, |
201 |
|
|
.width = 960, |
202 |
|
|
.sar = { { 1, 1 }, { 4, 3 } }, |
203 |
|
|
.pix_fmt = AV_PIX_FMT_YUV422P, |
204 |
|
|
.bpm = 8, |
205 |
|
|
.block_sizes = block_sizes_dv100, |
206 |
|
|
.audio_stride = 90, |
207 |
|
|
.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ |
208 |
|
|
.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ |
209 |
|
|
.audio_shuffle = dv_audio_shuffle525, }, |
210 |
|
|
{ .dsf = 1, |
211 |
|
|
.video_stype = 0x18, |
212 |
|
|
.frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */ |
213 |
|
|
.difseg_size = 12, /* also known as "DVCPRO HD" */ |
214 |
|
|
.n_difchan = 2, |
215 |
|
|
.time_base = { 1, 50 }, |
216 |
|
|
.ltc_divisor = 50, |
217 |
|
|
.height = 720, |
218 |
|
|
.width = 960, |
219 |
|
|
.sar = { { 1, 1 }, { 4, 3 } }, |
220 |
|
|
.pix_fmt = AV_PIX_FMT_YUV422P, |
221 |
|
|
.bpm = 8, |
222 |
|
|
.block_sizes = block_sizes_dv100, |
223 |
|
|
.audio_stride = 90, |
224 |
|
|
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ |
225 |
|
|
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, |
226 |
|
|
.audio_shuffle = dv_audio_shuffle625, }, |
227 |
|
|
{ .dsf = 1, |
228 |
|
|
.video_stype = 0x1, |
229 |
|
|
.frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */ |
230 |
|
|
.difseg_size = 12, |
231 |
|
|
.n_difchan = 1, |
232 |
|
|
.time_base = { 1, 25 }, |
233 |
|
|
.ltc_divisor = 25, |
234 |
|
|
.height = 576, |
235 |
|
|
.width = 720, |
236 |
|
|
.sar = { { 16, 15 }, { 64, 45 } }, |
237 |
|
|
.pix_fmt = AV_PIX_FMT_YUV420P, |
238 |
|
|
.bpm = 6, |
239 |
|
|
.block_sizes = block_sizes_dv2550, |
240 |
|
|
.audio_stride = 108, |
241 |
|
|
.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ |
242 |
|
|
.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, |
243 |
|
|
.audio_shuffle = dv_audio_shuffle625, } |
244 |
|
|
}; |
245 |
|
|
|
246 |
|
|
void ff_dv_print_profiles(void *logctx, int loglevel) |
247 |
|
|
{ |
248 |
|
|
int i; |
249 |
|
|
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) { |
250 |
|
|
const AVDVProfile *p = &dv_profiles[i]; |
251 |
|
|
av_log(logctx, loglevel, |
252 |
|
|
"Frame size: %dx%d; pixel format: %s, framerate: %d/%d\n", |
253 |
|
|
p->width, p->height, av_get_pix_fmt_name(p->pix_fmt), |
254 |
|
|
p->time_base.den, p->time_base.num); |
255 |
|
|
} |
256 |
|
|
} |
257 |
|
|
|
258 |
|
|
#endif /* CONFIG_DVPROFILE */ |
259 |
|
|
|
260 |
|
2105 |
const AVDVProfile* ff_dv_frame_profile(AVCodecContext* codec, const AVDVProfile *sys, |
261 |
|
|
const uint8_t *frame, unsigned buf_size) |
262 |
|
|
{ |
263 |
|
|
#if CONFIG_DVPROFILE |
264 |
|
|
int i, dsf, stype, pal; |
265 |
|
|
|
266 |
✗✓ |
2105 |
if(buf_size < DV_PROFILE_BYTES) |
267 |
|
|
return NULL; |
268 |
|
|
|
269 |
|
2105 |
dsf = (frame[3] & 0x80) >> 7; |
270 |
|
2105 |
stype = frame[80 * 5 + 48 + 3] & 0x1f; |
271 |
|
2105 |
pal = !!(frame[80 * 5 + 48 + 3] & 0x20); |
272 |
|
|
|
273 |
|
|
/* 576i50 25Mbps 4:1:1 is a special case */ |
274 |
✓✓✓✓ ✓✓✗✓
|
2105 |
if ((dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) || |
275 |
|
|
(stype == 31 && codec && codec->codec_tag==AV_RL32("SL25") && codec->coded_width==720 && codec->coded_height==576)) |
276 |
|
335 |
return &dv_profiles[2]; |
277 |
|
|
|
278 |
|
|
/* hack for trac issues #8333 and #2177, PAL DV files with dsf flag 0 - detect via pal flag and buf_size */ |
279 |
✓✓✗✓ ✗✗✗✗
|
1770 |
if (dsf == 0 && pal == 1 && stype == dv_profiles[1].video_stype && buf_size == dv_profiles[1].frame_size) |
280 |
|
|
return &dv_profiles[1]; |
281 |
|
|
|
282 |
✓✗ |
9452 |
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) |
283 |
✓✓✓✓
|
9452 |
if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype) |
284 |
|
1770 |
return &dv_profiles[i]; |
285 |
|
|
|
286 |
|
|
/* check if old sys matches and assumes corrupted input */ |
287 |
|
|
if (sys && buf_size == sys->frame_size) |
288 |
|
|
return sys; |
289 |
|
|
|
290 |
|
|
/* hack for trac issue #217, dv files created with QuickTime 3 */ |
291 |
|
|
if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff) |
292 |
|
|
return &dv_profiles[dsf]; |
293 |
|
|
#endif |
294 |
|
|
|
295 |
|
|
return NULL; |
296 |
|
|
} |
297 |
|
|
|
298 |
|
1063 |
const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys, |
299 |
|
|
const uint8_t *frame, unsigned buf_size) |
300 |
|
|
{ |
301 |
|
1063 |
return ff_dv_frame_profile(NULL, sys, frame, buf_size); |
302 |
|
|
} |
303 |
|
|
|
304 |
|
|
const AVDVProfile *av_dv_codec_profile(int width, int height, |
305 |
|
|
enum AVPixelFormat pix_fmt) |
306 |
|
|
{ |
307 |
|
|
#if CONFIG_DVPROFILE |
308 |
|
|
return av_dv_codec_profile2(width, height, pix_fmt, (AVRational){0, 0}); |
309 |
|
|
#endif |
310 |
|
|
|
311 |
|
|
return NULL; |
312 |
|
|
} |
313 |
|
|
|
314 |
|
42 |
const AVDVProfile *av_dv_codec_profile2(int width, int height, |
315 |
|
|
enum AVPixelFormat pix_fmt, |
316 |
|
|
AVRational frame_rate) |
317 |
|
|
{ |
318 |
|
42 |
const AVDVProfile *p = NULL; |
319 |
|
|
#if CONFIG_DVPROFILE |
320 |
|
|
int i; |
321 |
|
|
/* frame rate is necessary to select between 720p50 and 720p60 profiles */ |
322 |
✓✗✗✓
|
42 |
int invalid_framerate = frame_rate.num == 0 || frame_rate.den == 0; |
323 |
|
|
|
324 |
✓✗ |
205 |
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) |
325 |
✓✓ |
205 |
if (height == dv_profiles[i].height && |
326 |
✓✓ |
78 |
pix_fmt == dv_profiles[i].pix_fmt && |
327 |
✓✓ |
58 |
width == dv_profiles[i].width) |
328 |
|
|
{ |
329 |
✓✗✓✓
|
50 |
if( invalid_framerate || av_div_q(dv_profiles[i].time_base, frame_rate).num == 1 ) |
330 |
|
42 |
return &dv_profiles[i]; |
331 |
|
|
|
332 |
✓✗ |
8 |
if(!p) |
333 |
|
8 |
p = &dv_profiles[i]; |
334 |
|
|
} |
335 |
|
|
#endif |
336 |
|
|
|
337 |
|
|
return p; |
338 |
|
|
} |
339 |
|
|
|