h263dec.c File Reference

#include "config_components.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "decode.h"
#include "error_resilience.h"
#include "flvdec.h"
#include "h263.h"
#include "h263dec.h"
#include "hwaccel_internal.h"
#include "hwconfig.h"
#include "mpeg_er.h"
#include "mpeg4video.h"
#include "mpeg4videodec.h"
#include "mpeg4videodefs.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideodec.h"
#include "msmpeg4dec.h"
#include "thread.h"
#include "wmv2dec.h"

Go to the source code of this file.

Macros
#define	UNCHECKED_BITSTREAM_READER   1

Functions
static enum AVPixelFormat	h263_get_format (AVCodecContext *avctx)
av_cold int	ff_h263_decode_init (AVCodecContext *avctx)
av_cold int	ff_h263_decode_end (AVCodecContext *avctx)
static int	get_consumed_bytes (MpegEncContext *s, int buf_size)
	Return the number of bytes consumed for building the current frame. More...
static int	decode_slice (MpegEncContext *s)
int	ff_h263_decode_frame (AVCodecContext *avctx, AVFrame *pict, int *got_frame, AVPacket *avpkt)

Variables
enum AVPixelFormat	ff_h263_hwaccel_pixfmt_list_420 []
static const AVCodecHWConfigInternal *const	h263_hw_config_list []
const FFCodec	ff_h263_decoder
const FFCodec	ff_h263p_decoder

Detailed Description

H.263 decoder.

Definition in file h263dec.c.

Macro Definition Documentation

UNCHECKED_BITSTREAM_READER

#define UNCHECKED_BITSTREAM_READER   1

Definition at line 28 of file h263dec.c.

Function Documentation

h263_get_format()

static enum AVPixelFormat h263_get_format ( AVCodecContext *  avctx )

static

Definition at line 52 of file h263dec.c.

Referenced by ff_h263_decode_frame(), and ff_h263_decode_init().

ff_h263_decode_init()

av_cold int ff_h263_decode_init

(

AVCodecContext *

avctx

)

Definition at line 69 of file h263dec.c.

Referenced by ff_msmpeg4_decode_init().

ff_h263_decode_end()

av_cold int ff_h263_decode_end

(

AVCodecContext *

avctx

)

Definition at line 141 of file h263dec.c.

Referenced by wmv2_decode_end().

get_consumed_bytes()

static int get_consumed_bytes ( MpegEncContext *  s, int  buf_size  )

static

Return the number of bytes consumed for building the current frame.

Definition at line 152 of file h263dec.c.

Referenced by ff_h263_decode_frame().

decode_slice()

static int decode_slice ( MpegEncContext *  s )

static

Definition at line 172 of file h263dec.c.

Referenced by ff_h263_decode_frame().

ff_h263_decode_frame()

int ff_h263_decode_frame	(	AVCodecContext *	avctx,
		AVFrame *	pict,
		int *	got_frame,
		AVPacket *	avpkt
	)

Definition at line 402 of file h263dec.c.

Variable Documentation

ff_h263_hwaccel_pixfmt_list_420

enum AVPixelFormat ff_h263_hwaccel_pixfmt_list_420[]

Initial value:

= {
 
 
 
 
 
 
 
 
 
 
 
 
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_NONE
}

Definition at line 662 of file h263dec.c.

h263_hw_config_list

const AVCodecHWConfigInternal* const h263_hw_config_list[]

static

Initial value:

= {
 
 
 
 
 
 
 
 
 
 
 
 
    NULL
}

Definition at line 679 of file h263dec.c.

ff_h263_decoder

const FFCodec ff_h263_decoder

Initial value:

= {
    .p.name         = "h263",
    CODEC_LONG_NAME("H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_H263,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = ff_h263_decode_init,
    .close          = ff_h263_decode_end,
    FF_CODEC_DECODE_CB(ff_h263_decode_frame),
    .p.capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 |
                      AV_CODEC_CAP_DELAY,
    .caps_internal  = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
    .flush          = ff_mpeg_flush,
    .p.max_lowres   = 3,
    .p.pix_fmts     = ff_h263_hwaccel_pixfmt_list_420,
    .hw_configs     = h263_hw_config_list,
}

Definition at line 695 of file h263dec.c.

ff_h263p_decoder

const FFCodec ff_h263p_decoder

Initial value:

= {
    .p.name         = "h263p",
    CODEC_LONG_NAME("H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_H263P,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = ff_h263_decode_init,
    .close          = ff_h263_decode_end,
    FF_CODEC_DECODE_CB(ff_h263_decode_frame),
    .p.capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 |
                      AV_CODEC_CAP_DELAY,
    .caps_internal  = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
    .flush          = ff_mpeg_flush,
    .p.max_lowres   = 3,
    .p.pix_fmts     = ff_h263_hwaccel_pixfmt_list_420,
    .hw_configs     = h263_hw_config_list,
}

Definition at line 713 of file h263dec.c.