/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "config.h" #include <stddef.h> #include <stdint.h> #include "libavutil/intreadwrite.h" #include "libavutil/log.h" #include "libavutil/macros.h" #include "libavutil/pixdesc.h" #include "avcodec.h" #include "dv_profile.h" #include "dv_profile_internal.h" #if CONFIG_DVPROFILE static const uint8_t dv_audio_shuffle525[10][9] = { { 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */ { 6, 36, 66, 26, 56, 86, 16, 46, 76 }, { 12, 42, 72, 2, 32, 62, 22, 52, 82 }, { 18, 48, 78, 8, 38, 68, 28, 58, 88 }, { 24, 54, 84, 14, 44, 74, 4, 34, 64 }, { 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */ { 7, 37, 67, 27, 57, 87, 17, 47, 77 }, { 13, 43, 73, 3, 33, 63, 23, 53, 83 }, { 19, 49, 79, 9, 39, 69, 29, 59, 89 }, { 25, 55, 85, 15, 45, 75, 5, 35, 65 }, }; static const uint8_t dv_audio_shuffle625[12][9] = { { 0, 36, 72, 26, 62, 98, 16, 52, 88 }, /* 1st channel */ { 6, 42, 78, 32, 68, 104, 22, 58, 94 }, { 12, 48, 84, 2, 38, 74, 28, 64, 100 }, { 18, 54, 90, 8, 44, 80, 34, 70, 106 }, { 24, 60, 96, 14, 50, 86, 4, 40, 76 }, { 30, 66, 102, 20, 56, 92, 10, 46, 82 }, { 1, 37, 73, 27, 63, 99, 17, 53, 89 }, /* 2nd channel */ { 7, 43, 79, 33, 69, 105, 23, 59, 95 }, { 13, 49, 85, 3, 39, 75, 29, 65, 101 }, { 19, 55, 91, 9, 45, 81, 35, 71, 107 }, { 25, 61, 97, 15, 51, 87, 5, 41, 77 }, { 31, 67, 103, 21, 57, 93, 11, 47, 83 }, }; /* macroblock bit budgets */ static const uint8_t block_sizes_dv2550[8] = { 112, 112, 112, 112, 80, 80, 0, 0, }; static const uint8_t block_sizes_dv100[8] = { 80, 80, 80, 80, 80, 80, 64, 64, }; static const AVDVProfile dv_profiles[] = { { .dsf = 0, .video_stype = 0x0, .frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */ .difseg_size = 10, .n_difchan = 1, .time_base = { 1001, 30000 }, .ltc_divisor = 30, .height = 480, .width = 720, .sar = { { 8, 9 }, { 32, 27 } }, .pix_fmt = AV_PIX_FMT_YUV411P, .bpm = 6, .block_sizes = block_sizes_dv2550, .audio_stride = 90, .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ .audio_shuffle = dv_audio_shuffle525, }, { .dsf = 1, .video_stype = 0x0, .frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */ .difseg_size = 12, .n_difchan = 1, .time_base = { 1, 25 }, .ltc_divisor = 25, .height = 576, .width = 720, .sar = { { 16, 15 }, { 64, 45 } }, .pix_fmt = AV_PIX_FMT_YUV420P, .bpm = 6, .block_sizes = block_sizes_dv2550, .audio_stride = 108, .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_shuffle = dv_audio_shuffle625, }, { .dsf = 1, .video_stype = 0x0, .frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */ .difseg_size = 12, .n_difchan = 1, .time_base = { 1, 25 }, .ltc_divisor = 25, .height = 576, .width = 720, .sar = { { 16, 15 }, { 64, 45 } }, .pix_fmt = AV_PIX_FMT_YUV411P, .bpm = 6, .block_sizes = block_sizes_dv2550, .audio_stride = 108, .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_shuffle = dv_audio_shuffle625, }, { .dsf = 0, .video_stype = 0x4, .frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */ .difseg_size = 10, /* also known as "DVCPRO50" */ .n_difchan = 2, .time_base = { 1001, 30000 }, .ltc_divisor = 30, .height = 480, .width = 720, .sar = { { 8, 9 }, { 32, 27 } }, .pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 6, .block_sizes = block_sizes_dv2550, .audio_stride = 90, .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ .audio_shuffle = dv_audio_shuffle525, }, { .dsf = 1, .video_stype = 0x4, .frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */ .difseg_size = 12, /* also known as "DVCPRO50" */ .n_difchan = 2, .time_base = { 1, 25 }, .ltc_divisor = 25, .height = 576, .width = 720, .sar = { { 16, 15 }, { 64, 45 } }, .pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 6, .block_sizes = block_sizes_dv2550, .audio_stride = 108, .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_shuffle = dv_audio_shuffle625, }, { .dsf = 0, .video_stype = 0x14, .frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */ .difseg_size = 10, /* also known as "DVCPRO HD" */ .n_difchan = 4, .time_base = { 1001, 30000 }, .ltc_divisor = 30, .height = 1080, .width = 1280, .sar = { { 1, 1 }, { 3, 2 } }, .pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 8, .block_sizes = block_sizes_dv100, .audio_stride = 90, .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ .audio_shuffle = dv_audio_shuffle525, }, { .dsf = 1, .video_stype = 0x14, .frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */ .difseg_size = 12, /* also known as "DVCPRO HD" */ .n_difchan = 4, .time_base = { 1, 25 }, .ltc_divisor = 25, .height = 1080, .width = 1440, .sar = { { 1, 1 }, { 4, 3 } }, .pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 8, .block_sizes = block_sizes_dv100, .audio_stride = 108, .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_shuffle = dv_audio_shuffle625, }, { .dsf = 0, .video_stype = 0x18, .frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */ .difseg_size = 10, /* also known as "DVCPRO HD" */ .n_difchan = 2, .time_base = { 1001, 60000 }, .ltc_divisor = 60, .height = 720, .width = 960, .sar = { { 1, 1 }, { 4, 3 } }, .pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 8, .block_sizes = block_sizes_dv100, .audio_stride = 90, .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ .audio_shuffle = dv_audio_shuffle525, }, { .dsf = 1, .video_stype = 0x18, .frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */ .difseg_size = 12, /* also known as "DVCPRO HD" */ .n_difchan = 2, .time_base = { 1, 50 }, .ltc_divisor = 50, .height = 720, .width = 960, .sar = { { 1, 1 }, { 4, 3 } }, .pix_fmt = AV_PIX_FMT_YUV422P, .bpm = 8, .block_sizes = block_sizes_dv100, .audio_stride = 90, .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_shuffle = dv_audio_shuffle625, }, { .dsf = 1, .video_stype = 0x1, .frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */ .difseg_size = 12, .n_difchan = 1, .time_base = { 1, 25 }, .ltc_divisor = 25, .height = 576, .width = 720, .sar = { { 16, 15 }, { 64, 45 } }, .pix_fmt = AV_PIX_FMT_YUV420P, .bpm = 6, .block_sizes = block_sizes_dv2550, .audio_stride = 108, .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, .audio_shuffle = dv_audio_shuffle625, } }; void ff_dv_print_profiles(void *logctx, int loglevel) { int i; for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) { const AVDVProfile *p = &dv_profiles[i]; av_log(logctx, loglevel, "Frame size: %dx%d; pixel format: %s, framerate: %d/%d\n", p->width, p->height, av_get_pix_fmt_name(p->pix_fmt), p->time_base.den, p->time_base.num); } } #endif /* CONFIG_DVPROFILE */ const AVDVProfile* ff_dv_frame_profile(AVCodecContext* codec, const AVDVProfile *sys, const uint8_t *frame, unsigned buf_size) { … } const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys, const uint8_t *frame, unsigned buf_size) { … } const AVDVProfile *av_dv_codec_profile(int width, int height, enum AVPixelFormat pix_fmt) { … } const AVDVProfile *av_dv_codec_profile2(int width, int height, enum AVPixelFormat pix_fmt, AVRational frame_rate) { … }
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