* Constants for DV codec.
*/
-#include "libavutil/rational.h"
-#include "libavutil/intreadwrite.h"
-#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "dvdata.h"
394, 406, 418, 438, 418, 464, 464, 492,
};
-static DVwork_chunk work_chunks_dv25pal [1*12*27];
-static DVwork_chunk work_chunks_dv25pal411[1*12*27];
-static DVwork_chunk work_chunks_dv25ntsc [1*10*27];
-static DVwork_chunk work_chunks_dv50pal [2*12*27];
-static DVwork_chunk work_chunks_dv50ntsc [2*10*27];
-static DVwork_chunk work_chunks_dv100palp [2*12*27];
-static DVwork_chunk work_chunks_dv100ntscp[2*10*27];
-static DVwork_chunk work_chunks_dv100pali [4*12*27];
-static DVwork_chunk work_chunks_dv100ntsci[4*10*27];
-
-static uint32_t dv_idct_factor_sd [2*2*22*64];
-static uint32_t dv_idct_factor_hd1080[2*4*16*64];
-static uint32_t dv_idct_factor_hd720 [2*4*16*64];
-
-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 DVprofile 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}},
- .work_chunks = &work_chunks_dv25ntsc[0],
- .idct_factor = &dv_idct_factor_sd[0],
- .pix_fmt = 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}},
- .work_chunks = &work_chunks_dv25pal[0],
- .idct_factor = &dv_idct_factor_sd[0],
- .pix_fmt = 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}},
- .work_chunks = &work_chunks_dv25pal411[0],
- .idct_factor = &dv_idct_factor_sd[0],
- .pix_fmt = 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}},
- .work_chunks = &work_chunks_dv50ntsc[0],
- .idct_factor = &dv_idct_factor_sd[0],
- .pix_fmt = 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}},
- .work_chunks = &work_chunks_dv50pal[0],
- .idct_factor = &dv_idct_factor_sd[0],
- .pix_fmt = 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}},
- .work_chunks = &work_chunks_dv100ntsci[0],
- .idct_factor = &dv_idct_factor_hd1080[0],
- .pix_fmt = 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}},
- .work_chunks = &work_chunks_dv100pali[0],
- .idct_factor = &dv_idct_factor_hd1080[0],
- .pix_fmt = 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}},
- .work_chunks = &work_chunks_dv100ntscp[0],
- .idct_factor = &dv_idct_factor_hd720[0],
- .pix_fmt = 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}},
- .work_chunks = &work_chunks_dv100palp[0],
- .idct_factor = &dv_idct_factor_hd720[0],
- .pix_fmt = 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}},
- .work_chunks = &work_chunks_dv25pal[0],
- .idct_factor = &dv_idct_factor_sd[0],
- .pix_fmt = 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,
- }
-};
-
-const DVprofile* avpriv_dv_frame_profile2(AVCodecContext* codec, const DVprofile *sys,
- const uint8_t* frame, unsigned buf_size)
-{
- int i, dsf, stype;
-
- if(buf_size < DV_PROFILE_BYTES)
- return NULL;
-
- dsf = (frame[3] & 0x80) >> 7;
- stype = frame[80 * 5 + 48 + 3] & 0x1f;
-
- /* 576i50 25Mbps 4:1:1 is a special case */
- if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) {
- return &dv_profiles[2];
- }
-
- if(stype == 0 && codec && codec->codec_tag==AV_RL32("dvsd") && codec->coded_width==720 && codec->coded_height==576)
- return &dv_profiles[1];
-
- for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
- if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
- return &dv_profiles[i];
-
- /* check if old sys matches and assumes corrupted input */
- if (sys && buf_size == sys->frame_size)
- return sys;
-
- /* hack for trac issue #217, dv files created with QuickTime 3 */
- if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff)
- return &dv_profiles[dsf];
-
- return NULL;
-}
-
-const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
- const uint8_t* frame, unsigned buf_size)
-{
- return avpriv_dv_frame_profile2(NULL, sys, frame, buf_size);
-}
-
-const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec)
-{
- int i;
- int w, h;
-
- if (codec->coded_width || codec->coded_height) {
- w = codec->coded_width;
- h = codec->coded_height;
- } else {
- w = codec->width;
- h = codec->height;
- }
-
- for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)
- if (h == dv_profiles[i].height &&
- codec->pix_fmt == dv_profiles[i].pix_fmt &&
- w == dv_profiles[i].width)
- return &dv_profiles[i];
-
- return NULL;
-}
-
-void ff_dv_print_profiles(void *logctx, int loglevel)
-{
- int i;
- for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
- const DVprofile *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);
- }
-}
projects / ffmpeg / blobdiff