*/
/**
- * @file dvdata.h
+ * @file libavcodec/dvdata.h
* Constants for DV codec.
*/
80, 80, 80, 80, 80, 80, 64, 64,
};
-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 = {{10, 11}, {40, 33}},
- .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 = {{59, 54}, {118, 81}},
- .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 = {{59, 54}, {118, 81}},
- .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 = {{10, 11}, {40, 33}},
- .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 = {{59, 54}, {118, 81}},
- .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}, {1, 1}},
- .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}, {1, 1}},
- .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}, {1, 1}},
- .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}, {1, 1}},
- .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 = { 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,
- }
-};
-
enum dv_section_type {
dv_sect_header = 0x1f,
dv_sect_subcode = 0x3f,
*/
#define DV_MAX_BPM 8
-static inline const DVprofile* dv_frame_profile(const uint8_t* frame)
-{
- 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[5] & 0x07) {
- 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];
-
- return NULL;
-}
-
-static const DVprofile* 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];
-
- return NULL;
-}
+const DVprofile* ff_dv_frame_profile(const DVprofile *sys,
+ const uint8_t* frame, unsigned buf_size);
+const DVprofile* ff_dv_codec_profile(AVCodecContext* codec);
static inline int dv_write_dif_id(enum dv_section_type t, uint8_t chan_num,
uint8_t seq_num, uint8_t dif_num,