* Constants for DV codec.
*/
-#include "libavutil/rational.h"
#include "avcodec.h"
#include "dvdata.h"
-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 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,
- }
+/* unquant tables (not used directly) */
+const uint8_t ff_dv_quant_shifts[22][4] = {
+ { 3,3,4,4 },
+ { 3,3,4,4 },
+ { 2,3,3,4 },
+ { 2,3,3,4 },
+ { 2,2,3,3 },
+ { 2,2,3,3 },
+ { 1,2,2,3 },
+ { 1,2,2,3 },
+ { 1,1,2,2 },
+ { 1,1,2,2 },
+ { 0,1,1,2 },
+ { 0,1,1,2 },
+ { 0,0,1,1 },
+ { 0,0,1,1 },
+ { 0,0,0,1 },
+ { 0,0,0,0 },
+ { 0,0,0,0 },
+ { 0,0,0,0 },
+ { 0,0,0,0 },
+ { 0,0,0,0 },
+ { 0,0,0,0 },
+ { 0,0,0,0 },
};
-const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
- const uint8_t* frame, unsigned buf_size)
-{
- int i;
-
- int dsf = (frame[3] & 0x80) >> 7;
-
- int 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];
- }
-
- 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;
-
- return NULL;
-}
-
-const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec)
-{
- int i;
-
- for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)
- if (codec->height == dv_profiles[i].height &&
- codec->pix_fmt == dv_profiles[i].pix_fmt &&
- codec->width == dv_profiles[i].width)
- return &dv_profiles[i];
+const uint8_t ff_dv_quant_offset[4] = { 6, 3, 0, 1 };
+
+const int ff_dv_iweight_88[64] = {
+ 32768, 16710, 16710, 17735, 17015, 17735, 18197, 18079,
+ 18079, 18197, 18725, 18559, 19196, 18559, 18725, 19284,
+ 19108, 19692, 19692, 19108, 19284, 21400, 19645, 20262,
+ 20214, 20262, 19645, 21400, 22733, 21845, 20867, 20815,
+ 20815, 20867, 21845, 22733, 23173, 23173, 21400, 21400,
+ 21400, 23173, 23173, 24600, 23764, 22017, 22017, 23764,
+ 24600, 25267, 24457, 22672, 24457, 25267, 25971, 25191,
+ 25191, 25971, 26715, 27962, 26715, 29642, 29642, 31536,
+};
+const int ff_dv_iweight_248[64] = {
+ 32768, 17735, 16710, 18079, 18725, 21400, 17735, 19196,
+ 19108, 21845, 16384, 17735, 18725, 21400, 16710, 18079,
+ 20262, 23173, 18197, 19692, 18725, 20262, 20815, 23764,
+ 17735, 19196, 19108, 21845, 20262, 23173, 18197, 19692,
+ 21400, 24457, 19284, 20867, 21400, 23173, 22017, 25191,
+ 18725, 20262, 20815, 23764, 21400, 24457, 19284, 20867,
+ 24457, 27962, 22733, 24600, 25971, 29642, 21400, 23173,
+ 22017, 25191, 24457, 27962, 22733, 24600, 25971, 29642,
+};
- return NULL;
-}
+/**
+ * The "inverse" DV100 weights are actually just the spec weights (zig-zagged).
+ */
+const int ff_dv_iweight_1080_y[64] = {
+ 128, 16, 16, 17, 17, 17, 18, 18,
+ 18, 18, 18, 18, 19, 18, 18, 19,
+ 19, 19, 19, 19, 19, 42, 38, 40,
+ 40, 40, 38, 42, 44, 43, 41, 41,
+ 41, 41, 43, 44, 45, 45, 42, 42,
+ 42, 45, 45, 48, 46, 43, 43, 46,
+ 48, 49, 48, 44, 48, 49, 101, 98,
+ 98, 101, 104, 109, 104, 116, 116, 123,
+};
+const int ff_dv_iweight_1080_c[64] = {
+ 128, 16, 16, 17, 17, 17, 25, 25,
+ 25, 25, 26, 25, 26, 25, 26, 26,
+ 26, 27, 27, 26, 26, 42, 38, 40,
+ 40, 40, 38, 42, 44, 43, 41, 41,
+ 41, 41, 43, 44, 91, 91, 84, 84,
+ 84, 91, 91, 96, 93, 86, 86, 93,
+ 96, 197, 191, 177, 191, 197, 203, 197,
+ 197, 203, 209, 219, 209, 232, 232, 246,
+};
+const int ff_dv_iweight_720_y[64] = {
+ 128, 16, 16, 17, 17, 17, 18, 18,
+ 18, 18, 18, 18, 19, 18, 18, 19,
+ 19, 19, 19, 19, 19, 42, 38, 40,
+ 40, 40, 38, 42, 44, 43, 41, 41,
+ 41, 41, 43, 44, 68, 68, 63, 63,
+ 63, 68, 68, 96, 92, 86, 86, 92,
+ 96, 98, 96, 88, 96, 98, 202, 196,
+ 196, 202, 208, 218, 208, 232, 232, 246,
+};
+const int ff_dv_iweight_720_c[64] = {
+ 128, 24, 24, 26, 26, 26, 36, 36,
+ 36, 36, 36, 36, 38, 36, 36, 38,
+ 38, 38, 38, 38, 38, 84, 76, 80,
+ 80, 80, 76, 84, 88, 86, 82, 82,
+ 82, 82, 86, 88, 182, 182, 168, 168,
+ 168, 182, 182, 192, 186, 192, 172, 186,
+ 192, 394, 382, 354, 382, 394, 406, 394,
+ 394, 406, 418, 438, 418, 464, 464, 492,
+};
projects / ffmpeg / blobdiff