libdiracenc.c File Reference

Dirac encoding support via libdirac library; more details about the Dirac project can be found at http://dirac.sourceforge.net/. More...

#include "libdirac_libschro.h"
#include "libdirac.h"
#include <assert.h>
#include <libdirac_encoder/dirac_encoder.h>

Go to the source code of this file.

Data Structures
struct	DiracEncoderParams
	Dirac encoder private data. More...

Typedefs
typedef struct DiracEncoderParams	DiracEncoderParams
	Dirac encoder private data.

Functions
static dirac_chroma_t	GetDiracChromaFormat (enum PixelFormat ff_pix_fmt)
	Works out Dirac-compatible chroma format.
static VideoFormat	GetDiracVideoFormatPreset (AVCodecContext *avccontext)
	Returns the video format preset matching the input video dimensions and time base.
static av_cold int	libdirac_encode_init (AVCodecContext *avccontext)
static void	DiracFreeFrame (void *data)
static int	libdirac_encode_frame (AVCodecContext *avccontext, unsigned char *frame, int buf_size, void *data)
static av_cold int	libdirac_encode_close (AVCodecContext *avccontext)

Variables
static const VideoFormat	ff_dirac_video_formats []
	Dirac video preset table.
AVCodec	ff_libdirac_encoder

Detailed Description

Dirac encoding support via libdirac library; more details about the Dirac project can be found at http://dirac.sourceforge.net/.

The libdirac_encoder library implements Dirac specification version 2.2 (http://dirac.sourceforge.net/specification.html).

Definition in file libdiracenc.c.

Typedef Documentation

typedef struct DiracEncoderParams DiracEncoderParams

Dirac encoder private data.

Function Documentation

static void DiracFreeFrame ( void *  data )

static

Definition at line 220 of file libdiracenc.c.

Referenced by libdirac_encode_close(), and libdirac_encode_frame().

static dirac_chroma_t GetDiracChromaFormat ( enum PixelFormat  ff_pix_fmt )

static

Works out Dirac-compatible chroma format.

Definition at line 76 of file libdiracenc.c.

Referenced by libdirac_encode_init().

static VideoFormat GetDiracVideoFormatPreset ( AVCodecContext *  avccontext )

static

Returns the video format preset matching the input video dimensions and time base.

Definition at line 116 of file libdiracenc.c.

Referenced by libdirac_encode_init().

static av_cold int libdirac_encode_close ( AVCodecContext *  avccontext )

static

Definition at line 372 of file libdiracenc.c.

static int libdirac_encode_frame ( AVCodecContext *  avccontext, unsigned char *  frame, int  buf_size, void *  data  )

static

Definition at line 228 of file libdiracenc.c.

static av_cold int libdirac_encode_init ( AVCodecContext *  avccontext )

static

Definition at line 127 of file libdiracenc.c.

Variable Documentation

const VideoFormat ff_dirac_video_formats[]

static

Initial value:

{
    VIDEO_FORMAT_CUSTOM           ,
    VIDEO_FORMAT_QSIF525          ,
    VIDEO_FORMAT_QCIF             ,
    VIDEO_FORMAT_SIF525           ,
    VIDEO_FORMAT_CIF              ,
    VIDEO_FORMAT_4SIF525          ,
    VIDEO_FORMAT_4CIF             ,
    VIDEO_FORMAT_SD_480I60        ,
    VIDEO_FORMAT_SD_576I50        ,
    VIDEO_FORMAT_HD_720P60        ,
    VIDEO_FORMAT_HD_720P50        ,
    VIDEO_FORMAT_HD_1080I60       ,
    VIDEO_FORMAT_HD_1080I50       ,
    VIDEO_FORMAT_HD_1080P60       ,
    VIDEO_FORMAT_HD_1080P50       ,
    VIDEO_FORMAT_DIGI_CINEMA_2K24 ,
    VIDEO_FORMAT_DIGI_CINEMA_4K24 ,
}

Dirac video preset table.

Ensure that this tables matches up correctly with the ff_dirac_schro_video_format_info table in libdirac_libschro.c.

Definition at line 92 of file libdiracenc.c.

Referenced by GetDiracVideoFormatPreset().

AVCodec ff_libdirac_encoder

Initial value:

 {
    .name           = "libdirac",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_DIRAC,
    .priv_data_size = sizeof(DiracEncoderParams),
    .init           = libdirac_encode_init,
    .encode         = libdirac_encode_frame,
    .close          = libdirac_encode_close,
   .capabilities = CODEC_CAP_DELAY,
   .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_NONE},
   .long_name = NULL_IF_CONFIG_SMALL("libdirac Dirac 2.2"),
}

Definition at line 394 of file libdiracenc.c.