#include "libavutil/rational.h"
#include "avcodec.h"
Go to the source code of this file.
Data Structures | |
| struct | DVwork_chunk |
| struct | DVprofile |
Defines | |
| #define | DV_PROFILE_IS_HD(p) ((p)->video_stype & 0x10) |
| #define | DV_PROFILE_IS_1080i50(p) (((p)->video_stype == 0x14) && ((p)->dsf == 1)) |
| #define | DV_PROFILE_IS_720p50(p) (((p)->video_stype == 0x18) && ((p)->dsf == 1)) |
| #define | DV_PROFILE_BYTES (6*80) |
| #define | DV_MAX_FRAME_SIZE 576000 |
| largest possible DV frame, in bytes (1080i50) | |
| #define | DV_MAX_BPM 8 |
| maximum number of blocks per macroblock in any DV format | |
Enumerations | |
| enum | dv_section_type { dv_sect_header = 0x1f, dv_sect_subcode = 0x3f, dv_sect_vaux = 0x56, dv_sect_audio = 0x76, dv_sect_video = 0x96 } |
| enum | dv_pack_type { dv_header525 = 0x3f, dv_header625 = 0xbf, dv_timecode = 0x13, dv_audio_source = 0x50, dv_audio_control = 0x51, dv_audio_recdate = 0x52, dv_audio_rectime = 0x53, dv_video_source = 0x60, dv_video_control = 0x61, dv_video_recdate = 0x62, dv_video_rectime = 0x63, dv_unknown_pack = 0xff } |
Functions | |
| const DVprofile * | avpriv_dv_frame_profile (const DVprofile *sys, const uint8_t *frame, unsigned buf_size) |
| const DVprofile * | avpriv_dv_frame_profile2 (AVCodecContext *codec, const DVprofile *sys, const uint8_t *frame, unsigned buf_size) |
| const DVprofile * | avpriv_dv_codec_profile (AVCodecContext *codec) |
| static int | dv_write_dif_id (enum dv_section_type t, uint8_t chan_num, uint8_t seq_num, uint8_t dif_num, uint8_t *buf) |
| static int | dv_write_ssyb_id (uint8_t syb_num, uint8_t fr, uint8_t *buf) |
Variables | |
| static const uint8_t | dv_quant_shifts [22][4] |
| static const uint8_t | dv_quant_offset [4] = { 6, 3, 0, 1 } |
| static const uint8_t | dv_quant_areas [4] = { 6, 21, 43, 64 } |
| static const uint8_t | dv100_qstep [16] |
| static const int | dv_weight_bits = 18 |
| static const int | dv_weight_88 [64] |
| static const int | dv_weight_248 [64] |
| static const int | dv_iweight_bits = 14 |
| static const int | dv_iweight_88 [64] |
| static const int | dv_iweight_248 [64] |
| static const int | dv_iweight_1080_y [64] |
| The "inverse" DV100 weights are actually just the spec weights (zig-zagged). | |
| static const int | dv_iweight_1080_c [64] |
| static const int | dv_iweight_720_y [64] |
| static const int | dv_iweight_720_c [64] |
| static const uint8_t | dv_audio_shuffle525 [10][9] |
| static const uint8_t | dv_audio_shuffle625 [12][9] |
| static const av_unused int | dv_audio_frequency [3] |
| static const uint8_t | block_sizes_dv2550 [8] |
| static const uint8_t | block_sizes_dv100 [8] |
Definition in file dvdata.h.
| #define DV_MAX_BPM 8 |
maximum number of blocks per macroblock in any DV format
Definition at line 275 of file dvdata.h.
Referenced by dv_decode_video_segment(), and dv_encode_video_segment().
| #define DV_MAX_FRAME_SIZE 576000 |
| #define DV_PROFILE_BYTES (6*80) |
Definition at line 265 of file dvdata.h.
Referenced by avpriv_dv_frame_profile2(), avpriv_dv_produce_packet(), and dv_read_header().
| #define DV_PROFILE_IS_1080i50 | ( | p | ) | (((p)->video_stype == 0x14) && ((p)->dsf == 1)) |
Definition at line 260 of file dvdata.h.
Referenced by dv_init_dynamic_tables(), and dv_work_pool_size().
| #define DV_PROFILE_IS_720p50 | ( | p | ) | (((p)->video_stype == 0x18) && ((p)->dsf == 1)) |
Definition at line 261 of file dvdata.h.
Referenced by dv_init_dynamic_tables(), and dv_work_pool_size().
| #define DV_PROFILE_IS_HD | ( | p | ) | ((p)->video_stype & 0x10) |
Definition at line 259 of file dvdata.h.
Referenced by dv_decode_video_segment(), and dv_init_dynamic_tables().
| enum dv_pack_type |
| enum dv_section_type |
| const DVprofile* avpriv_dv_codec_profile | ( | AVCodecContext * | codec | ) |
Definition at line 285 of file dvdata.c.
Referenced by dv_frame_offset(), dv_init_mux(), and dvvideo_init_encoder().
| const DVprofile* avpriv_dv_frame_profile | ( | const DVprofile * | sys, | |
| const uint8_t * | frame, | |||
| unsigned | buf_size | |||
| ) |
Definition at line 279 of file dvdata.c.
Referenced by avpriv_dv_produce_packet(), and dv_read_header().
| const DVprofile* avpriv_dv_frame_profile2 | ( | AVCodecContext * | codec, | |
| const DVprofile * | sys, | |||
| const uint8_t * | frame, | |||
| unsigned | buf_size | |||
| ) |
| static int dv_write_dif_id | ( | enum dv_section_type | t, | |
| uint8_t | chan_num, | |||
| uint8_t | seq_num, | |||
| uint8_t | dif_num, | |||
| uint8_t * | buf | |||
| ) | [inline, static] |
| static int dv_write_ssyb_id | ( | uint8_t | syb_num, | |
| uint8_t | fr, | |||
| uint8_t * | buf | |||
| ) | [inline, static] |
const uint8_t block_sizes_dv100[8] [static] |
const uint8_t block_sizes_dv2550[8] [static] |
const uint8_t dv100_qstep[16] [static] |
Initial value:
{
1,
1,
2, 3, 4, 5, 6, 7, 8, 16, 18, 20, 22, 24, 28, 52
}
Definition at line 98 of file dvdata.h.
Referenced by dv_init_dynamic_tables().
const av_unused int dv_audio_frequency[3] [static] |
Initial value:
{
48000, 44100, 32000,
}
Definition at line 223 of file dvdata.h.
Referenced by dv_extract_audio(), and dv_extract_audio_info().
const uint8_t dv_audio_shuffle525[10][9] [static] |
Initial value:
{
{ 0, 30, 60, 20, 50, 80, 10, 40, 70 },
{ 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 },
{ 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 },
}
const uint8_t dv_audio_shuffle625[12][9] [static] |
Initial value:
{
{ 0, 36, 72, 26, 62, 98, 16, 52, 88},
{ 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},
{ 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},
}
const int dv_iweight_1080_c[64] [static] |
Initial value:
{
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,
}
Definition at line 162 of file dvdata.h.
Referenced by dv_init_dynamic_tables().
const int dv_iweight_1080_y[64] [static] |
Initial value:
{
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,
}
Definition at line 152 of file dvdata.h.
Referenced by dv_init_dynamic_tables().
const int dv_iweight_248[64] [static] |
Initial value:
{
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,
}
Definition at line 138 of file dvdata.h.
Referenced by dv_init_dynamic_tables().
const int dv_iweight_720_c[64] [static] |
Initial value:
{
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,
}
Definition at line 182 of file dvdata.h.
Referenced by dv_init_dynamic_tables().
const int dv_iweight_720_y[64] [static] |
Initial value:
{
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,
}
Definition at line 172 of file dvdata.h.
Referenced by dv_init_dynamic_tables().
const int dv_iweight_88[64] [static] |
Initial value:
{
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,
}
Definition at line 128 of file dvdata.h.
Referenced by dv_init_dynamic_tables().
const int dv_iweight_bits = 14 [static] |
const uint8_t dv_quant_areas[4] = { 6, 21, 43, 64 } [static] |
const uint8_t dv_quant_offset[4] = { 6, 3, 0, 1 } [static] |
Definition at line 94 of file dvdata.h.
Referenced by dv_decode_video_segment(), and dv_guess_qnos().
const uint8_t dv_quant_shifts[22][4] [static] |
Initial value:
{
{ 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 },
}
Definition at line 69 of file dvdata.h.
Referenced by dv_guess_qnos(), and dv_init_dynamic_tables().
const int dv_weight_248[64] [static] |
Initial value:
{
131072, 242189, 257107, 237536, 229376, 200636, 242189, 223754,
224969, 196781, 262144, 242189, 229376, 200636, 257107, 237536,
211916, 185364, 235923, 217965, 229376, 211916, 206433, 180568,
242189, 223754, 224969, 196781, 211916, 185364, 235923, 217965,
200704, 175557, 222935, 205965, 200636, 185364, 195068, 170627,
229376, 211916, 206433, 180568, 200704, 175557, 222935, 205965,
175557, 153560, 188995, 174609, 165371, 144651, 200636, 185364,
195068, 170627, 175557, 153560, 188995, 174609, 165371, 144651,
}
Definition at line 117 of file dvdata.h.
Referenced by dv_init_enc_block().
const int dv_weight_88[64] [static] |
Initial value:
{
131072, 257107, 257107, 242189, 252167, 242189, 235923, 237536,
237536, 235923, 229376, 231390, 223754, 231390, 229376, 222935,
224969, 217965, 217965, 224969, 222935, 200636, 218652, 211916,
212325, 211916, 218652, 200636, 188995, 196781, 205965, 206433,
206433, 205965, 196781, 188995, 185364, 185364, 200636, 200704,
200636, 185364, 185364, 174609, 180568, 195068, 195068, 180568,
174609, 170091, 175557, 189591, 175557, 170091, 165371, 170627,
170627, 165371, 160727, 153560, 160727, 144651, 144651, 136258,
}
Definition at line 107 of file dvdata.h.
Referenced by dv_init_enc_block().
const int dv_weight_bits = 18 [static] |
1.5.8