| 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 | #if FF_API_DV_FRAME_PROFILE |
| 301 | const AVDVProfile* avpriv_dv_frame_profile2(AVCodecContext* codec, const AVDVProfile *sys, |
| 302 | const uint8_t *frame, unsigned buf_size) |
| 303 | { |
| 304 | return ff_dv_frame_profile(codec, sys, frame, buf_size); |
| 305 | } |
| 306 | #endif |
| 307 | |
| 308 | const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys, |
| 309 | const uint8_t *frame, unsigned buf_size) |
| 310 | { |
| 311 | return ff_dv_frame_profile(NULL, sys, frame, buf_size); |
| 312 | } |
| 313 | |
| 314 | const AVDVProfile *av_dv_codec_profile(int width, int height, |
| 315 | enum AVPixelFormat pix_fmt) |
| 316 | { |
| 317 | #if CONFIG_DVPROFILE |
| 318 | int i; |
| 319 | |
| 320 | for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) |
| 321 | if (height == dv_profiles[i].height && |
| 322 | pix_fmt == dv_profiles[i].pix_fmt && |
| 323 | width == dv_profiles[i].width) |
| 324 | return &dv_profiles[i]; |
| 325 | #endif |
| 326 | |
| 327 | return NULL; |
| 328 | } |
| 329 | |