h263dec.c File Reference

H.263 decoder. More...

#include "libavutil/cpu.h"
#include "avcodec.h"
#include "error_resilience.h"
#include "flv.h"
#include "h263.h"
#include "h263_parser.h"
#include "hwaccel.h"
#include "internal.h"
#include "mpeg_er.h"
#include "mpeg4video.h"
#include "mpeg4video_parser.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "msmpeg4.h"
#include "qpeldsp.h"
#include "thread.h"
#include "wmv2.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, void *data, int *got_frame, AVPacket *avpkt)

Variables
enum AVPixelFormat	ff_h263_hwaccel_pixfmt_list_420 []
AVCodec	ff_h263_decoder
AVCodec	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 48 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 68 of file h263dec.c.

Referenced by decode_init(), and ff_msmpeg4_decode_init().

ff_h263_decode_end()

av_cold int ff_h263_decode_end

(

AVCodecContext *

avctx

)

Definition at line 155 of file h263dec.c.

Referenced by decode_end(), and 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 166 of file h263dec.c.

Referenced by ff_h263_decode_frame().

decode_slice()

static int decode_slice ( MpegEncContext *  s )

static

Definition at line 192 of file h263dec.c.

Referenced by ff_h263_decode_frame().

ff_h263_decode_frame()

int ff_h263_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	got_frame,
		AVPacket *	avpkt
	)

Definition at line 420 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 725 of file h263dec.c.

ff_h263_decoder

AVCodec ff_h263_decoder

Initial value:

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

Definition at line 742 of file h263dec.c.

ff_h263p_decoder

AVCodec ff_h263p_decoder

Initial value:

= {
    .name           = "h263p",
    .long_name      = NULL_IF_CONFIG_SMALL("H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_H263P,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = ff_h263_decode_init,
    .close          = ff_h263_decode_end,
    .decode         = ff_h263_decode_frame,
    .capabilities   = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 |
                      AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY,
    .caps_internal  = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
    .flush          = ff_mpeg_flush,
    .max_lowres     = 3,
    .pix_fmts       = ff_h263_hwaccel_pixfmt_list_420,
    .hw_configs     = (const AVCodecHWConfigInternal*[]) {









                        NULL
                    },
}

Definition at line 759 of file h263dec.c.