libavcodec/dv_profile.c File Reference

#include <stdint.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "dv_profile.h"

Go to the source code of this file.

Functions
const DVprofile *	avpriv_dv_frame_profile2 (AVCodecContext *codec, const DVprofile *sys, const uint8_t *frame, unsigned buf_size)
const DVprofile *	avpriv_dv_frame_profile (const DVprofile *sys, const uint8_t *frame, unsigned buf_size)
const DVprofile *	avpriv_dv_codec_profile (AVCodecContext *codec)
void	ff_dv_print_profiles (void *logctx, int loglevel)
	Print all allowed DV profiles into logctx at specified logging level.
Variables
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]
static const uint8_t	dv_audio_shuffle625 [12][9]
static const uint8_t	block_sizes_dv2550 [8]
static const uint8_t	block_sizes_dv100 [8]
static const DVprofile	dv_profiles []

---

Function Documentation

const DVprofile* avpriv_dv_codec_profile

(

AVCodecContext *

codec

)

Definition at line 324 of file dv_profile.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 318 of file dv_profile.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
	)

Definition at line 283 of file dv_profile.c.

Referenced by avpriv_dv_frame_profile(), and dvvideo_decode_frame().

void ff_dv_print_profiles	(	void *	logctx,
		int	loglevel
	)

Print all allowed DV profiles into logctx at specified logging level.

Definition at line 346 of file dv_profile.c.

Referenced by dvvideo_init_encoder().

---

Variable Documentation

const uint8_t block_sizes_dv100[8] [static]

Initial value:

 {
    80, 80, 80, 80, 80, 80, 64, 64,
}

Definition at line 76 of file dv_profile.c.

const uint8_t block_sizes_dv2550[8] [static]

Initial value:

 {
    112, 112, 112, 112, 80, 80, 0, 0,
}

Definition at line 72 of file dv_profile.c.

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 },
}

Definition at line 41 of file dv_profile.c.

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},
}

Definition at line 55 of file dv_profile.c.

uint32_t dv_idct_factor_hd1080[2 *4 *16 *64] [static]

Definition at line 38 of file dv_profile.c.

uint32_t dv_idct_factor_hd720[2 *4 *16 *64] [static]

Definition at line 39 of file dv_profile.c.

uint32_t dv_idct_factor_sd[2 *2 *22 *64] [static]

Definition at line 37 of file dv_profile.c.

const DVprofile dv_profiles[] [static]

Definition at line 80 of file dv_profile.c.

DVwork_chunk work_chunks_dv100ntsci[4 *10 *27] [static]

Definition at line 35 of file dv_profile.c.

DVwork_chunk work_chunks_dv100ntscp[2 *10 *27] [static]

Definition at line 33 of file dv_profile.c.

DVwork_chunk work_chunks_dv100pali[4 *12 *27] [static]

Definition at line 34 of file dv_profile.c.

DVwork_chunk work_chunks_dv100palp[2 *12 *27] [static]

Definition at line 32 of file dv_profile.c.

DVwork_chunk work_chunks_dv25ntsc[1 *10 *27] [static]

Definition at line 29 of file dv_profile.c.

DVwork_chunk work_chunks_dv25pal[1 *12 *27] [static]

Definition at line 27 of file dv_profile.c.

DVwork_chunk work_chunks_dv25pal411[1 *12 *27] [static]

Definition at line 28 of file dv_profile.c.

DVwork_chunk work_chunks_dv50ntsc[2 *10 *27] [static]

Definition at line 31 of file dv_profile.c.

DVwork_chunk work_chunks_dv50pal[2 *12 *27] [static]

Definition at line 30 of file dv_profile.c.