| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 <stddef.h> | ||
| 22 | #include <stdint.h> | ||
| 23 | |||
| 24 | #include "libavutil/intreadwrite.h" | ||
| 25 | #include "libavutil/log.h" | ||
| 26 | #include "libavutil/macros.h" | ||
| 27 | #include "libavutil/pixdesc.h" | ||
| 28 | |||
| 29 | #include "avcodec.h" | ||
| 30 | #include "dv_profile.h" | ||
| 31 | #include "dv_profile_internal.h" | ||
| 32 | |||
| 33 | #if CONFIG_DVPROFILE | ||
| 34 | |||
| 35 | static const uint8_t dv_audio_shuffle525[10][9] = { | ||
| 36 | { 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */ | ||
| 37 | { 6, 36, 66, 26, 56, 86, 16, 46, 76 }, | ||
| 38 | { 12, 42, 72, 2, 32, 62, 22, 52, 82 }, | ||
| 39 | { 18, 48, 78, 8, 38, 68, 28, 58, 88 }, | ||
| 40 | { 24, 54, 84, 14, 44, 74, 4, 34, 64 }, | ||
| 41 | |||
| 42 | { 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */ | ||
| 43 | { 7, 37, 67, 27, 57, 87, 17, 47, 77 }, | ||
| 44 | { 13, 43, 73, 3, 33, 63, 23, 53, 83 }, | ||
| 45 | { 19, 49, 79, 9, 39, 69, 29, 59, 89 }, | ||
| 46 | { 25, 55, 85, 15, 45, 75, 5, 35, 65 }, | ||
| 47 | }; | ||
| 48 | |||
| 49 | static const uint8_t dv_audio_shuffle625[12][9] = { | ||
| 50 | { 0, 36, 72, 26, 62, 98, 16, 52, 88 }, /* 1st channel */ | ||
| 51 | { 6, 42, 78, 32, 68, 104, 22, 58, 94 }, | ||
| 52 | { 12, 48, 84, 2, 38, 74, 28, 64, 100 }, | ||
| 53 | { 18, 54, 90, 8, 44, 80, 34, 70, 106 }, | ||
| 54 | { 24, 60, 96, 14, 50, 86, 4, 40, 76 }, | ||
| 55 | { 30, 66, 102, 20, 56, 92, 10, 46, 82 }, | ||
| 56 | |||
| 57 | { 1, 37, 73, 27, 63, 99, 17, 53, 89 }, /* 2nd channel */ | ||
| 58 | { 7, 43, 79, 33, 69, 105, 23, 59, 95 }, | ||
| 59 | { 13, 49, 85, 3, 39, 75, 29, 65, 101 }, | ||
| 60 | { 19, 55, 91, 9, 45, 81, 35, 71, 107 }, | ||
| 61 | { 25, 61, 97, 15, 51, 87, 5, 41, 77 }, | ||
| 62 | { 31, 67, 103, 21, 57, 93, 11, 47, 83 }, | ||
| 63 | }; | ||
| 64 | |||
| 65 | /* macroblock bit budgets */ | ||
| 66 | static const uint8_t block_sizes_dv2550[8] = { | ||
| 67 | 112, 112, 112, 112, 80, 80, 0, 0, | ||
| 68 | }; | ||
| 69 | |||
| 70 | static const uint8_t block_sizes_dv100[8] = { | ||
| 71 | 80, 80, 80, 80, 80, 80, 64, 64, | ||
| 72 | }; | ||
| 73 | |||
| 74 | static const AVDVProfile dv_profiles[] = { | ||
| 75 | { .dsf = 0, | ||
| 76 | .video_stype = 0x0, | ||
| 77 | .frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */ | ||
| 78 | .difseg_size = 10, | ||
| 79 | .n_difchan = 1, | ||
| 80 | .time_base = { 1001, 30000 }, | ||
| 81 | .ltc_divisor = 30, | ||
| 82 | .height = 480, | ||
| 83 | .width = 720, | ||
| 84 | .sar = { { 8, 9 }, { 32, 27 } }, | ||
| 85 | .pix_fmt = AV_PIX_FMT_YUV411P, | ||
| 86 | .bpm = 6, | ||
| 87 | .block_sizes = block_sizes_dv2550, | ||
| 88 | .audio_stride = 90, | ||
| 89 | .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ | ||
| 90 | .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ | ||
| 91 | .audio_shuffle = dv_audio_shuffle525, }, | ||
| 92 | { .dsf = 1, | ||
| 93 | .video_stype = 0x0, | ||
| 94 | .frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */ | ||
| 95 | .difseg_size = 12, | ||
| 96 | .n_difchan = 1, | ||
| 97 | .time_base = { 1, 25 }, | ||
| 98 | .ltc_divisor = 25, | ||
| 99 | .height = 576, | ||
| 100 | .width = 720, | ||
| 101 | .sar = { { 16, 15 }, { 64, 45 } }, | ||
| 102 | .pix_fmt = AV_PIX_FMT_YUV420P, | ||
| 103 | .bpm = 6, | ||
| 104 | .block_sizes = block_sizes_dv2550, | ||
| 105 | .audio_stride = 108, | ||
| 106 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | ||
| 107 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | ||
| 108 | .audio_shuffle = dv_audio_shuffle625, }, | ||
| 109 | { .dsf = 1, | ||
| 110 | .video_stype = 0x0, | ||
| 111 | .frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */ | ||
| 112 | .difseg_size = 12, | ||
| 113 | .n_difchan = 1, | ||
| 114 | .time_base = { 1, 25 }, | ||
| 115 | .ltc_divisor = 25, | ||
| 116 | .height = 576, | ||
| 117 | .width = 720, | ||
| 118 | .sar = { { 16, 15 }, { 64, 45 } }, | ||
| 119 | .pix_fmt = AV_PIX_FMT_YUV411P, | ||
| 120 | .bpm = 6, | ||
| 121 | .block_sizes = block_sizes_dv2550, | ||
| 122 | .audio_stride = 108, | ||
| 123 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | ||
| 124 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | ||
| 125 | .audio_shuffle = dv_audio_shuffle625, }, | ||
| 126 | { .dsf = 0, | ||
| 127 | .video_stype = 0x4, | ||
| 128 | .frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */ | ||
| 129 | .difseg_size = 10, /* also known as "DVCPRO50" */ | ||
| 130 | .n_difchan = 2, | ||
| 131 | .time_base = { 1001, 30000 }, | ||
| 132 | .ltc_divisor = 30, | ||
| 133 | .height = 480, | ||
| 134 | .width = 720, | ||
| 135 | .sar = { { 8, 9 }, { 32, 27 } }, | ||
| 136 | .pix_fmt = AV_PIX_FMT_YUV422P, | ||
| 137 | .bpm = 6, | ||
| 138 | .block_sizes = block_sizes_dv2550, | ||
| 139 | .audio_stride = 90, | ||
| 140 | .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ | ||
| 141 | .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ | ||
| 142 | .audio_shuffle = dv_audio_shuffle525, }, | ||
| 143 | { .dsf = 1, | ||
| 144 | .video_stype = 0x4, | ||
| 145 | .frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */ | ||
| 146 | .difseg_size = 12, /* also known as "DVCPRO50" */ | ||
| 147 | .n_difchan = 2, | ||
| 148 | .time_base = { 1, 25 }, | ||
| 149 | .ltc_divisor = 25, | ||
| 150 | .height = 576, | ||
| 151 | .width = 720, | ||
| 152 | .sar = { { 16, 15 }, { 64, 45 } }, | ||
| 153 | .pix_fmt = AV_PIX_FMT_YUV422P, | ||
| 154 | .bpm = 6, | ||
| 155 | .block_sizes = block_sizes_dv2550, | ||
| 156 | .audio_stride = 108, | ||
| 157 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | ||
| 158 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | ||
| 159 | .audio_shuffle = dv_audio_shuffle625, }, | ||
| 160 | { .dsf = 0, | ||
| 161 | .video_stype = 0x14, | ||
| 162 | .frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */ | ||
| 163 | .difseg_size = 10, /* also known as "DVCPRO HD" */ | ||
| 164 | .n_difchan = 4, | ||
| 165 | .time_base = { 1001, 30000 }, | ||
| 166 | .ltc_divisor = 30, | ||
| 167 | .height = 1080, | ||
| 168 | .width = 1280, | ||
| 169 | .sar = { { 1, 1 }, { 3, 2 } }, | ||
| 170 | .pix_fmt = AV_PIX_FMT_YUV422P, | ||
| 171 | .bpm = 8, | ||
| 172 | .block_sizes = block_sizes_dv100, | ||
| 173 | .audio_stride = 90, | ||
| 174 | .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ | ||
| 175 | .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ | ||
| 176 | .audio_shuffle = dv_audio_shuffle525, }, | ||
| 177 | { .dsf = 1, | ||
| 178 | .video_stype = 0x14, | ||
| 179 | .frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */ | ||
| 180 | .difseg_size = 12, /* also known as "DVCPRO HD" */ | ||
| 181 | .n_difchan = 4, | ||
| 182 | .time_base = { 1, 25 }, | ||
| 183 | .ltc_divisor = 25, | ||
| 184 | .height = 1080, | ||
| 185 | .width = 1440, | ||
| 186 | .sar = { { 1, 1 }, { 4, 3 } }, | ||
| 187 | .pix_fmt = AV_PIX_FMT_YUV422P, | ||
| 188 | .bpm = 8, | ||
| 189 | .block_sizes = block_sizes_dv100, | ||
| 190 | .audio_stride = 108, | ||
| 191 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | ||
| 192 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | ||
| 193 | .audio_shuffle = dv_audio_shuffle625, }, | ||
| 194 | { .dsf = 0, | ||
| 195 | .video_stype = 0x18, | ||
| 196 | .frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */ | ||
| 197 | .difseg_size = 10, /* also known as "DVCPRO HD" */ | ||
| 198 | .n_difchan = 2, | ||
| 199 | .time_base = { 1001, 60000 }, | ||
| 200 | .ltc_divisor = 60, | ||
| 201 | .height = 720, | ||
| 202 | .width = 960, | ||
| 203 | .sar = { { 1, 1 }, { 4, 3 } }, | ||
| 204 | .pix_fmt = AV_PIX_FMT_YUV422P, | ||
| 205 | .bpm = 8, | ||
| 206 | .block_sizes = block_sizes_dv100, | ||
| 207 | .audio_stride = 90, | ||
| 208 | .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ | ||
| 209 | .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ | ||
| 210 | .audio_shuffle = dv_audio_shuffle525, }, | ||
| 211 | { .dsf = 1, | ||
| 212 | .video_stype = 0x18, | ||
| 213 | .frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */ | ||
| 214 | .difseg_size = 12, /* also known as "DVCPRO HD" */ | ||
| 215 | .n_difchan = 2, | ||
| 216 | .time_base = { 1, 50 }, | ||
| 217 | .ltc_divisor = 50, | ||
| 218 | .height = 720, | ||
| 219 | .width = 960, | ||
| 220 | .sar = { { 1, 1 }, { 4, 3 } }, | ||
| 221 | .pix_fmt = AV_PIX_FMT_YUV422P, | ||
| 222 | .bpm = 8, | ||
| 223 | .block_sizes = block_sizes_dv100, | ||
| 224 | .audio_stride = 90, | ||
| 225 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | ||
| 226 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | ||
| 227 | .audio_shuffle = dv_audio_shuffle625, }, | ||
| 228 | { .dsf = 1, | ||
| 229 | .video_stype = 0x1, | ||
| 230 | .frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */ | ||
| 231 | .difseg_size = 12, | ||
| 232 | .n_difchan = 1, | ||
| 233 | .time_base = { 1, 25 }, | ||
| 234 | .ltc_divisor = 25, | ||
| 235 | .height = 576, | ||
| 236 | .width = 720, | ||
| 237 | .sar = { { 16, 15 }, { 64, 45 } }, | ||
| 238 | .pix_fmt = AV_PIX_FMT_YUV420P, | ||
| 239 | .bpm = 6, | ||
| 240 | .block_sizes = block_sizes_dv2550, | ||
| 241 | .audio_stride = 108, | ||
| 242 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | ||
| 243 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | ||
| 244 | .audio_shuffle = dv_audio_shuffle625, } | ||
| 245 | }; | ||
| 246 | |||
| 247 | ✗ | void ff_dv_print_profiles(void *logctx, int loglevel) | |
| 248 | { | ||
| 249 | int i; | ||
| 250 | ✗ | for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) { | |
| 251 | ✗ | const AVDVProfile *p = &dv_profiles[i]; | |
| 252 | ✗ | av_log(logctx, loglevel, | |
| 253 | "Frame size: %dx%d; pixel format: %s, framerate: %d/%d\n", | ||
| 254 | ✗ | p->width, p->height, av_get_pix_fmt_name(p->pix_fmt), | |
| 255 | ✗ | p->time_base.den, p->time_base.num); | |
| 256 | } | ||
| 257 | ✗ | } | |
| 258 | |||
| 259 | #endif /* CONFIG_DVPROFILE */ | ||
| 260 | |||
| 261 | 2241 | const AVDVProfile* ff_dv_frame_profile(AVCodecContext* codec, const AVDVProfile *sys, | |
| 262 | const uint8_t *frame, unsigned buf_size) | ||
| 263 | { | ||
| 264 | #if CONFIG_DVPROFILE | ||
| 265 | int i, dsf, stype, pal; | ||
| 266 | |||
| 267 |
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2241 | if(buf_size < DV_PROFILE_BYTES) |
| 268 | ✗ | return NULL; | |
| 269 | |||
| 270 | 2241 | dsf = (frame[3] & 0x80) >> 7; | |
| 271 | 2241 | stype = frame[80 * 5 + 48 + 3] & 0x1f; | |
| 272 | 2241 | pal = !!(frame[80 * 5 + 48 + 3] & 0x20); | |
| 273 | |||
| 274 | /* 576i50 25Mbps 4:1:1 is a special case */ | ||
| 275 |
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2241 | if ((dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) || |
| 276 | ✗ | (stype == 31 && codec && codec->codec_tag==AV_RL32("SL25") && codec->coded_width==720 && codec->coded_height==576)) | |
| 277 | 369 | return &dv_profiles[2]; | |
| 278 | |||
| 279 | /* hack for trac issues #8333 and #2177, PAL DV files with dsf flag 0 - detect via pal flag and buf_size */ | ||
| 280 |
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1872 | if (dsf == 0 && pal == 1 && stype == dv_profiles[1].video_stype && buf_size == dv_profiles[1].frame_size) |
| 281 | ✗ | return &dv_profiles[1]; | |
| 282 | |||
| 283 |
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9844 | for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) |
| 284 |
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9844 | if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype) |
| 285 | 1872 | return &dv_profiles[i]; | |
| 286 | |||
| 287 | /* check if old sys matches and assumes corrupted input */ | ||
| 288 | ✗ | if (sys && buf_size == sys->frame_size) | |
| 289 | ✗ | return sys; | |
| 290 | |||
| 291 | /* hack for trac issue #217, dv files created with QuickTime 3 */ | ||
| 292 | ✗ | if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff) | |
| 293 | ✗ | return &dv_profiles[dsf]; | |
| 294 | #endif | ||
| 295 | |||
| 296 | ✗ | return NULL; | |
| 297 | } | ||
| 298 | |||
| 299 | 1172 | const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys, | |
| 300 | const uint8_t *frame, unsigned buf_size) | ||
| 301 | { | ||
| 302 | 1172 | return ff_dv_frame_profile(NULL, sys, frame, buf_size); | |
| 303 | } | ||
| 304 | |||
| 305 | ✗ | const AVDVProfile *av_dv_codec_profile(int width, int height, | |
| 306 | enum AVPixelFormat pix_fmt) | ||
| 307 | { | ||
| 308 | #if CONFIG_DVPROFILE | ||
| 309 | ✗ | return av_dv_codec_profile2(width, height, pix_fmt, (AVRational){0, 0}); | |
| 310 | #endif | ||
| 311 | |||
| 312 | return NULL; | ||
| 313 | } | ||
| 314 | |||
| 315 | 43 | const AVDVProfile *av_dv_codec_profile2(int width, int height, | |
| 316 | enum AVPixelFormat pix_fmt, | ||
| 317 | AVRational frame_rate) | ||
| 318 | { | ||
| 319 | 43 | const AVDVProfile *p = NULL; | |
| 320 | #if CONFIG_DVPROFILE | ||
| 321 | int i; | ||
| 322 | /* frame rate is necessary to select between 720p50 and 720p60 profiles */ | ||
| 323 |
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43 | int invalid_framerate = frame_rate.num == 0 || frame_rate.den == 0; |
| 324 | |||
| 325 |
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212 | for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) |
| 326 |
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212 | if (height == dv_profiles[i].height && |
| 327 |
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80 | pix_fmt == dv_profiles[i].pix_fmt && |
| 328 |
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60 | width == dv_profiles[i].width) |
| 329 | { | ||
| 330 |
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51 | if( invalid_framerate || av_div_q(dv_profiles[i].time_base, frame_rate).num == 1 ) |
| 331 | 43 | return &dv_profiles[i]; | |
| 332 | |||
| 333 |
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8 | if(!p) |
| 334 | 8 | p = &dv_profiles[i]; | |
| 335 | } | ||
| 336 | #endif | ||
| 337 | |||
| 338 | ✗ | return p; | |
| 339 | } | ||
| 340 | |||
| 341 |