dirac.c File Reference

Dirac Decoder. More...

#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "dirac.h"
#include "golomb.h"
#include "internal.h"
#include "mpeg12data.h"

Go to the source code of this file.

Functions
static int	parse_source_parameters (AVCodecContext *avctx, GetBitContext *gb, dirac_source_params *source)
int	avpriv_dirac_parse_sequence_header (AVCodecContext *avctx, GetBitContext *gb, dirac_source_params *source)

Variables
static const dirac_source_params	dirac_source_parameters_defaults []
static const AVRational	dirac_preset_aspect_ratios []
static const AVRational	dirac_frame_rate []
struct {
uint8_t   bitdepth
enum AVColorRange   color_range
}	pixel_range_presets []
static enum AVColorPrimaries	dirac_primaries []
struct {
enum AVColorPrimaries   color_primaries
enum AVColorSpace   colorspace
enum AVColorTransferCharacteristic   color_trc
}	dirac_color_presets []
static enum AVPixelFormat	dirac_pix_fmt [2][3]

Detailed Description

Dirac Decoder.

Author

Marco Gerards marco.nosp@m.@gnu.nosp@m..org, David Conrad, Jordi Ortiz nenjo.nosp@m.rdi@.nosp@m.gmail.nosp@m..com

Definition in file dirac.c.

Function Documentation

static int parse_source_parameters ( AVCodecContext *  avctx, GetBitContext *  gb, dirac_source_params *  source  )

static

Definition at line 120 of file dirac.c.

Referenced by avpriv_dirac_parse_sequence_header().

int avpriv_dirac_parse_sequence_header	(	AVCodecContext *	avctx,
		GetBitContext *	gb,
		dirac_source_params *	source
	)

Definition at line 293 of file dirac.c.

Referenced by dirac_decode_data_unit(), and dirac_header().

Variable Documentation

const dirac_source_params dirac_source_parameters_defaults[]

static

Initial value:

= {
    {  640,  480, 2, 0, 0,  1, 1,  640,  480, 0, 0, 1, 0 },
    {  176,  120, 2, 0, 0,  9, 2,  176,  120, 0, 0, 1, 1 },
    {  176,  144, 2, 0, 1, 10, 3,  176,  144, 0, 0, 1, 2 },
    {  352,  240, 2, 0, 0,  9, 2,  352,  240, 0, 0, 1, 1 },
    {  352,  288, 2, 0, 1, 10, 3,  352,  288, 0, 0, 1, 2 },
    {  704,  480, 2, 0, 0,  9, 2,  704,  480, 0, 0, 1, 1 },
    {  704,  576, 2, 0, 1, 10, 3,  704,  576, 0, 0, 1, 2 },
    {  720,  480, 1, 1, 0,  4, 2,  704,  480, 8, 0, 3, 1 },
    {  720,  576, 1, 1, 1,  3, 3,  704,  576, 8, 0, 3, 2 },

    { 1280,  720, 1, 0, 1,  7, 1, 1280,  720, 0, 0, 3, 3 },
    { 1280,  720, 1, 0, 1,  6, 1, 1280,  720, 0, 0, 3, 3 },
    { 1920, 1080, 1, 1, 1,  4, 1, 1920, 1080, 0, 0, 3, 3 },
    { 1920, 1080, 1, 1, 1,  3, 1, 1920, 1080, 0, 0, 3, 3 },
    { 1920, 1080, 1, 0, 1,  7, 1, 1920, 1080, 0, 0, 3, 3 },
    { 1920, 1080, 1, 0, 1,  6, 1, 1920, 1080, 0, 0, 3, 3 },
    { 2048, 1080, 0, 0, 1,  2, 1, 2048, 1080, 0, 0, 4, 4 },
    { 4096, 2160, 0, 0, 1,  2, 1, 4096, 2160, 0, 0, 4, 4 },

    { 3840, 2160, 1, 0, 1,  7, 1, 3840, 2160, 0, 0, 3, 3 },
    { 3840, 2160, 1, 0, 1,  6, 1, 3840, 2160, 0, 0, 3, 3 },
    { 7680, 4320, 1, 0, 1,  7, 1, 3840, 2160, 0, 0, 3, 3 },
    { 7680, 4320, 1, 0, 1,  6, 1, 3840, 2160, 0, 0, 3, 3 },
}

Definition at line 38 of file dirac.c.

const AVRational dirac_preset_aspect_ratios[]

static

Initial value:

= {
    {  1,  1 },
    { 10, 11 },
    { 12, 11 },
    { 40, 33 },
    { 16, 11 },
    {  4,  3 },
}

Definition at line 65 of file dirac.c.

const AVRational dirac_frame_rate[]

static

Initial value:

= {
    { 15000, 1001 },
    {    25,    2 },
}

Definition at line 77 of file dirac.c.

uint8_t bitdepth

Definition at line 85 of file dirac.c.

enum AVColorRange color_range

Definition at line 86 of file dirac.c.

struct { ... } pixel_range_presets[]

Initial value:

= {
    {  8, AVCOL_RANGE_JPEG },
    {  8, AVCOL_RANGE_MPEG },
    { 10, AVCOL_RANGE_MPEG },
    { 12, AVCOL_RANGE_MPEG },
}

Referenced by parse_source_parameters().

enum AVColorPrimaries dirac_primaries[]

static

Initial value:

= {
    AVCOL_PRI_BT709,
    AVCOL_PRI_SMPTE170M,
    AVCOL_PRI_BT470BG,
}

Definition at line 94 of file dirac.c.

Referenced by parse_source_parameters().

enum AVColorPrimaries color_primaries

Definition at line 101 of file dirac.c.

enum AVColorSpace colorspace

Definition at line 102 of file dirac.c.

Referenced by read_header(), sws_getCoefficients(), and yuv4_generate_header().

enum AVColorTransferCharacteristic color_trc

Definition at line 103 of file dirac.c.

struct { ... } dirac_color_presets[]

Initial value:

= {
    { AVCOL_PRI_BT709,     AVCOL_SPC_BT709,   AVCOL_TRC_BT709 },
    { AVCOL_PRI_SMPTE170M, AVCOL_SPC_BT470BG, AVCOL_TRC_BT709 },
    { AVCOL_PRI_BT470BG,   AVCOL_SPC_BT470BG, AVCOL_TRC_BT709 },
    { AVCOL_PRI_BT709,     AVCOL_SPC_BT709,   AVCOL_TRC_BT709 },
    { AVCOL_PRI_BT709,     AVCOL_SPC_BT709,   AVCOL_TRC_UNSPECIFIED  },
}

Referenced by parse_source_parameters().

enum AVPixelFormat dirac_pix_fmt[2][3]

static

Initial value:

= {
    { AV_PIX_FMT_YUV444P,  AV_PIX_FMT_YUV422P,  AV_PIX_FMT_YUV420P  },
    { AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P },
}

Definition at line 113 of file dirac.c.

Referenced by parse_source_parameters().