blob: 66505c886b4d4eb096b6f2c3bd178ace63b1d369
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 | 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; |
265 | |
266 | if(buf_size < DV_PROFILE_BYTES) |
267 | return NULL; |
268 | |
269 | dsf = (frame[3] & 0x80) >> 7; |
270 | stype = frame[80 * 5 + 48 + 3] & 0x1f; |
271 | |
272 | /* 576i50 25Mbps 4:1:1 is a special case */ |
273 | if ((dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) || |
274 | (stype == 31 && codec && codec->codec_tag==AV_RL32("SL25") && codec->coded_width==720 && codec->coded_height==576)) |
275 | return &dv_profiles[2]; |
276 | |
277 | if( stype == 0 |
278 | && codec |
279 | && (codec->codec_tag==AV_RL32("dvsd") || codec->codec_tag==AV_RL32("CDVC")) |
280 | && codec->coded_width ==720 |
281 | && codec->coded_height==576) |
282 | return &dv_profiles[1]; |
283 | |
284 | for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) |
285 | if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype) |
286 | return &dv_profiles[i]; |
287 | |
288 | /* check if old sys matches and assumes corrupted input */ |
289 | if (sys && buf_size == sys->frame_size) |
290 | return sys; |
291 | |
292 | /* hack for trac issue #217, dv files created with QuickTime 3 */ |
293 | if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff) |
294 | return &dv_profiles[dsf]; |
295 | #endif |
296 | |
297 | return NULL; |
298 | } |
299 | |
300 | const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys, |
301 | const uint8_t *frame, unsigned buf_size) |
302 | { |
303 | return ff_dv_frame_profile(NULL, sys, frame, buf_size); |
304 | } |
305 | |
306 | const AVDVProfile *av_dv_codec_profile(int width, int height, |
307 | enum AVPixelFormat pix_fmt) |
308 | { |
309 | #if CONFIG_DVPROFILE |
310 | return av_dv_codec_profile2(width, height, pix_fmt, (AVRational){0, 0}); |
311 | #endif |
312 | |
313 | return NULL; |
314 | } |
315 | |
316 | const AVDVProfile *av_dv_codec_profile2(int width, int height, |
317 | enum AVPixelFormat pix_fmt, |
318 | AVRational frame_rate) |
319 | { |
320 | const AVDVProfile *p = NULL; |
321 | #if CONFIG_DVPROFILE |
322 | int i; |
323 | /* frame rate is necessary to select between 720p50 and 720p60 profiles */ |
324 | int invalid_framerate = frame_rate.num == 0 || frame_rate.den == 0; |
325 | |
326 | for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) |
327 | if (height == dv_profiles[i].height && |
328 | pix_fmt == dv_profiles[i].pix_fmt && |
329 | width == dv_profiles[i].width) |
330 | { |
331 | if( invalid_framerate || av_div_q(dv_profiles[i].time_base, frame_rate).num == 1 ) |
332 | return &dv_profiles[i]; |
333 | |
334 | if(!p) |
335 | p = &dv_profiles[i]; |
336 | } |
337 | #endif |
338 | |
339 | return p; |
340 | } |
341 | |
342 |