yading@10: /* yading@10: * This file is part of Libav. yading@10: * yading@10: * Libav is free software; you can redistribute it and/or yading@10: * modify it under the terms of the GNU Lesser General Public yading@10: * License as published by the Free Software Foundation; either yading@10: * version 2.1 of the License, or (at your option) any later version. yading@10: * yading@10: * Libav is distributed in the hope that it will be useful, yading@10: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@10: * Lesser General Public License for more details. yading@10: * yading@10: * You should have received a copy of the GNU Lesser General Public yading@10: * License along with Libav; if not, write to the Free Software yading@10: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@10: */ yading@10: yading@10: #include yading@10: yading@10: #include "libavutil/common.h" yading@10: #include "libavutil/intreadwrite.h" yading@10: #include "libavutil/log.h" yading@10: #include "libavutil/pixdesc.h" yading@10: #include "avcodec.h" yading@10: #include "dv_profile.h" yading@10: yading@10: static DVwork_chunk work_chunks_dv25pal [1*12*27]; yading@10: static DVwork_chunk work_chunks_dv25pal411[1*12*27]; yading@10: static DVwork_chunk work_chunks_dv25ntsc [1*10*27]; yading@10: static DVwork_chunk work_chunks_dv50pal [2*12*27]; yading@10: static DVwork_chunk work_chunks_dv50ntsc [2*10*27]; yading@10: static DVwork_chunk work_chunks_dv100palp [2*12*27]; yading@10: static DVwork_chunk work_chunks_dv100ntscp[2*10*27]; yading@10: static DVwork_chunk work_chunks_dv100pali [4*12*27]; yading@10: static DVwork_chunk work_chunks_dv100ntsci[4*10*27]; yading@10: yading@10: static uint32_t dv_idct_factor_sd [2*2*22*64]; yading@10: static uint32_t dv_idct_factor_hd1080[2*4*16*64]; yading@10: static uint32_t dv_idct_factor_hd720 [2*4*16*64]; yading@10: yading@10: static const uint8_t dv_audio_shuffle525[10][9] = { yading@10: { 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */ yading@10: { 6, 36, 66, 26, 56, 86, 16, 46, 76 }, yading@10: { 12, 42, 72, 2, 32, 62, 22, 52, 82 }, yading@10: { 18, 48, 78, 8, 38, 68, 28, 58, 88 }, yading@10: { 24, 54, 84, 14, 44, 74, 4, 34, 64 }, yading@10: yading@10: { 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */ yading@10: { 7, 37, 67, 27, 57, 87, 17, 47, 77 }, yading@10: { 13, 43, 73, 3, 33, 63, 23, 53, 83 }, yading@10: { 19, 49, 79, 9, 39, 69, 29, 59, 89 }, yading@10: { 25, 55, 85, 15, 45, 75, 5, 35, 65 }, yading@10: }; yading@10: yading@10: static const uint8_t dv_audio_shuffle625[12][9] = { yading@10: { 0, 36, 72, 26, 62, 98, 16, 52, 88}, /* 1st channel */ yading@10: { 6, 42, 78, 32, 68, 104, 22, 58, 94}, yading@10: { 12, 48, 84, 2, 38, 74, 28, 64, 100}, yading@10: { 18, 54, 90, 8, 44, 80, 34, 70, 106}, yading@10: { 24, 60, 96, 14, 50, 86, 4, 40, 76}, yading@10: { 30, 66, 102, 20, 56, 92, 10, 46, 82}, yading@10: yading@10: { 1, 37, 73, 27, 63, 99, 17, 53, 89}, /* 2nd channel */ yading@10: { 7, 43, 79, 33, 69, 105, 23, 59, 95}, yading@10: { 13, 49, 85, 3, 39, 75, 29, 65, 101}, yading@10: { 19, 55, 91, 9, 45, 81, 35, 71, 107}, yading@10: { 25, 61, 97, 15, 51, 87, 5, 41, 77}, yading@10: { 31, 67, 103, 21, 57, 93, 11, 47, 83}, yading@10: }; yading@10: yading@10: /* macroblock bit budgets */ yading@10: static const uint8_t block_sizes_dv2550[8] = { yading@10: 112, 112, 112, 112, 80, 80, 0, 0, yading@10: }; yading@10: yading@10: static const uint8_t block_sizes_dv100[8] = { yading@10: 80, 80, 80, 80, 80, 80, 64, 64, yading@10: }; yading@10: yading@10: static const DVprofile dv_profiles[] = { yading@10: { .dsf = 0, yading@10: .video_stype = 0x0, yading@10: .frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */ yading@10: .difseg_size = 10, yading@10: .n_difchan = 1, yading@10: .time_base = { 1001, 30000 }, yading@10: .ltc_divisor = 30, yading@10: .height = 480, yading@10: .width = 720, yading@10: .sar = {{8, 9}, {32, 27}}, yading@10: .work_chunks = &work_chunks_dv25ntsc[0], yading@10: .idct_factor = &dv_idct_factor_sd[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV411P, yading@10: .bpm = 6, yading@10: .block_sizes = block_sizes_dv2550, yading@10: .audio_stride = 90, yading@10: .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ yading@10: .audio_shuffle = dv_audio_shuffle525, yading@10: }, yading@10: { .dsf = 1, yading@10: .video_stype = 0x0, yading@10: .frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */ yading@10: .difseg_size = 12, yading@10: .n_difchan = 1, yading@10: .time_base = { 1, 25 }, yading@10: .ltc_divisor = 25, yading@10: .height = 576, yading@10: .width = 720, yading@10: .sar = {{16, 15}, {64, 45}}, yading@10: .work_chunks = &work_chunks_dv25pal[0], yading@10: .idct_factor = &dv_idct_factor_sd[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV420P, yading@10: .bpm = 6, yading@10: .block_sizes = block_sizes_dv2550, yading@10: .audio_stride = 108, yading@10: .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, yading@10: .audio_shuffle = dv_audio_shuffle625, yading@10: }, yading@10: { .dsf = 1, yading@10: .video_stype = 0x0, yading@10: .frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */ yading@10: .difseg_size = 12, yading@10: .n_difchan = 1, yading@10: .time_base = { 1, 25 }, yading@10: .ltc_divisor = 25, yading@10: .height = 576, yading@10: .width = 720, yading@10: .sar = {{16, 15}, {64, 45}}, yading@10: .work_chunks = &work_chunks_dv25pal411[0], yading@10: .idct_factor = &dv_idct_factor_sd[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV411P, yading@10: .bpm = 6, yading@10: .block_sizes = block_sizes_dv2550, yading@10: .audio_stride = 108, yading@10: .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, yading@10: .audio_shuffle = dv_audio_shuffle625, yading@10: }, yading@10: { .dsf = 0, yading@10: .video_stype = 0x4, yading@10: .frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */ yading@10: .difseg_size = 10, /* also known as "DVCPRO50" */ yading@10: .n_difchan = 2, yading@10: .time_base = { 1001, 30000 }, yading@10: .ltc_divisor = 30, yading@10: .height = 480, yading@10: .width = 720, yading@10: .sar = {{8, 9}, {32, 27}}, yading@10: .work_chunks = &work_chunks_dv50ntsc[0], yading@10: .idct_factor = &dv_idct_factor_sd[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV422P, yading@10: .bpm = 6, yading@10: .block_sizes = block_sizes_dv2550, yading@10: .audio_stride = 90, yading@10: .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ yading@10: .audio_shuffle = dv_audio_shuffle525, yading@10: }, yading@10: { .dsf = 1, yading@10: .video_stype = 0x4, yading@10: .frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */ yading@10: .difseg_size = 12, /* also known as "DVCPRO50" */ yading@10: .n_difchan = 2, yading@10: .time_base = { 1, 25 }, yading@10: .ltc_divisor = 25, yading@10: .height = 576, yading@10: .width = 720, yading@10: .sar = {{16, 15}, {64, 45}}, yading@10: .work_chunks = &work_chunks_dv50pal[0], yading@10: .idct_factor = &dv_idct_factor_sd[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV422P, yading@10: .bpm = 6, yading@10: .block_sizes = block_sizes_dv2550, yading@10: .audio_stride = 108, yading@10: .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, yading@10: .audio_shuffle = dv_audio_shuffle625, yading@10: }, yading@10: { .dsf = 0, yading@10: .video_stype = 0x14, yading@10: .frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */ yading@10: .difseg_size = 10, /* also known as "DVCPRO HD" */ yading@10: .n_difchan = 4, yading@10: .time_base = { 1001, 30000 }, yading@10: .ltc_divisor = 30, yading@10: .height = 1080, yading@10: .width = 1280, yading@10: .sar = {{1, 1}, {3, 2}}, yading@10: .work_chunks = &work_chunks_dv100ntsci[0], yading@10: .idct_factor = &dv_idct_factor_hd1080[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV422P, yading@10: .bpm = 8, yading@10: .block_sizes = block_sizes_dv100, yading@10: .audio_stride = 90, yading@10: .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ yading@10: .audio_shuffle = dv_audio_shuffle525, yading@10: }, yading@10: { .dsf = 1, yading@10: .video_stype = 0x14, yading@10: .frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */ yading@10: .difseg_size = 12, /* also known as "DVCPRO HD" */ yading@10: .n_difchan = 4, yading@10: .time_base = { 1, 25 }, yading@10: .ltc_divisor = 25, yading@10: .height = 1080, yading@10: .width = 1440, yading@10: .sar = {{1, 1}, {4, 3}}, yading@10: .work_chunks = &work_chunks_dv100pali[0], yading@10: .idct_factor = &dv_idct_factor_hd1080[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV422P, yading@10: .bpm = 8, yading@10: .block_sizes = block_sizes_dv100, yading@10: .audio_stride = 108, yading@10: .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, yading@10: .audio_shuffle = dv_audio_shuffle625, yading@10: }, yading@10: { .dsf = 0, yading@10: .video_stype = 0x18, yading@10: .frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */ yading@10: .difseg_size = 10, /* also known as "DVCPRO HD" */ yading@10: .n_difchan = 2, yading@10: .time_base = { 1001, 60000 }, yading@10: .ltc_divisor = 60, yading@10: .height = 720, yading@10: .width = 960, yading@10: .sar = {{1, 1}, {4, 3}}, yading@10: .work_chunks = &work_chunks_dv100ntscp[0], yading@10: .idct_factor = &dv_idct_factor_hd720[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV422P, yading@10: .bpm = 8, yading@10: .block_sizes = block_sizes_dv100, yading@10: .audio_stride = 90, yading@10: .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ yading@10: .audio_shuffle = dv_audio_shuffle525, yading@10: }, yading@10: { .dsf = 1, yading@10: .video_stype = 0x18, yading@10: .frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */ yading@10: .difseg_size = 12, /* also known as "DVCPRO HD" */ yading@10: .n_difchan = 2, yading@10: .time_base = { 1, 50 }, yading@10: .ltc_divisor = 50, yading@10: .height = 720, yading@10: .width = 960, yading@10: .sar = {{1, 1}, {4, 3}}, yading@10: .work_chunks = &work_chunks_dv100palp[0], yading@10: .idct_factor = &dv_idct_factor_hd720[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV422P, yading@10: .bpm = 8, yading@10: .block_sizes = block_sizes_dv100, yading@10: .audio_stride = 90, yading@10: .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, yading@10: .audio_shuffle = dv_audio_shuffle625, yading@10: }, yading@10: { .dsf = 1, yading@10: .video_stype = 0x1, yading@10: .frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */ yading@10: .difseg_size = 12, yading@10: .n_difchan = 1, yading@10: .time_base = { 1, 25 }, yading@10: .ltc_divisor = 25, yading@10: .height = 576, yading@10: .width = 720, yading@10: .sar = {{16, 15}, {64, 45}}, yading@10: .work_chunks = &work_chunks_dv25pal[0], yading@10: .idct_factor = &dv_idct_factor_sd[0], yading@10: .pix_fmt = AV_PIX_FMT_YUV420P, yading@10: .bpm = 6, yading@10: .block_sizes = block_sizes_dv2550, yading@10: .audio_stride = 108, yading@10: .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ yading@10: .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, yading@10: .audio_shuffle = dv_audio_shuffle625, yading@10: } yading@10: }; yading@10: yading@10: const DVprofile* avpriv_dv_frame_profile2(AVCodecContext* codec, const DVprofile *sys, yading@10: const uint8_t* frame, unsigned buf_size) yading@10: { yading@10: int i, dsf, stype; yading@10: yading@10: if(buf_size < DV_PROFILE_BYTES) yading@10: return NULL; yading@10: yading@10: dsf = (frame[3] & 0x80) >> 7; yading@10: stype = frame[80 * 5 + 48 + 3] & 0x1f; yading@10: yading@10: /* 576i50 25Mbps 4:1:1 is a special case */ yading@10: if ((dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) || yading@10: (stype == 31 && codec && codec->codec_tag==AV_RL32("SL25") && codec->coded_width==720 && codec->coded_height==576)) { yading@10: return &dv_profiles[2]; yading@10: } yading@10: yading@10: if( stype == 0 yading@10: && codec yading@10: && (codec->codec_tag==AV_RL32("dvsd") || codec->codec_tag==AV_RL32("CDVC")) yading@10: && codec->coded_width ==720 yading@10: && codec->coded_height==576) yading@10: return &dv_profiles[1]; yading@10: yading@10: for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) yading@10: if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype) yading@10: return &dv_profiles[i]; yading@10: yading@10: /* check if old sys matches and assumes corrupted input */ yading@10: if (sys && buf_size == sys->frame_size) yading@10: return sys; yading@10: yading@10: /* hack for trac issue #217, dv files created with QuickTime 3 */ yading@10: if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff) yading@10: return &dv_profiles[dsf]; yading@10: yading@10: return NULL; yading@10: } yading@10: yading@10: const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys, yading@10: const uint8_t* frame, unsigned buf_size) yading@10: { yading@10: return avpriv_dv_frame_profile2(NULL, sys, frame, buf_size); yading@10: } yading@10: yading@10: const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec) yading@10: { yading@10: int i; yading@10: int w, h; yading@10: yading@10: if (codec->coded_width || codec->coded_height) { yading@10: w = codec->coded_width; yading@10: h = codec->coded_height; yading@10: } else { yading@10: w = codec->width; yading@10: h = codec->height; yading@10: } yading@10: yading@10: for (i=0; ipix_fmt == dv_profiles[i].pix_fmt && yading@10: w == dv_profiles[i].width) yading@10: return &dv_profiles[i]; yading@10: yading@10: return NULL; yading@10: } yading@10: yading@10: void ff_dv_print_profiles(void *logctx, int loglevel) yading@10: { yading@10: int i; yading@10: for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) { yading@10: const DVprofile *p = &dv_profiles[i]; yading@10: av_log(logctx, loglevel, "Frame size: %dx%d; pixel format: %s, " yading@10: "framerate: %d/%d\n", p->width, p->height, av_get_pix_fmt_name(p->pix_fmt), yading@10: p->time_base.den, p->time_base.num); yading@10: } yading@10: }