libavcodec/h263dec.c File Reference

H.263 decoder. More...

#include "libavutil/cpu.h"
#include "internal.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "h263.h"
#include "h263_parser.h"
#include "mpeg4video_parser.h"
#include "msmpeg4.h"
#include "vdpau_internal.h"
#include "thread.h"
#include "flv.h"
#include "mpeg4video.h"

Go to the source code of this file.

Defines
#define	UNCHECKED_BITSTREAM_READER   1
#define	SET_QPEL_FUNC(postfix1, postfix2)
Functions
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.
static int	decode_slice (MpegEncContext *s)
int	ff_h263_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
Variables
AVCodec	ff_h263_decoder

---

Detailed Description

H.263 decoder.

Definition in file h263dec.c.

---

Define Documentation

#define SET_QPEL_FUNC	(	postfix1,
		postfix2		)

Value:

s->dsp.put_ ## postfix1 = ff_put_ ## postfix2;\
    s->dsp.put_no_rnd_ ## postfix1 = ff_put_no_rnd_ ## postfix2;\
    s->dsp.avg_ ## postfix1 = ff_avg_ ## postfix2;

Referenced by ff_h263_decode_frame().

#define UNCHECKED_BITSTREAM_READER   1

Definition at line 28 of file h263dec.c.

---

Function Documentation

static int decode_slice

(

MpegEncContext *

s

)

[static]

Definition at line 152 of file h263dec.c.

av_cold int ff_h263_decode_end

(

AVCodecContext *

avctx

)

Definition at line 123 of file h263dec.c.

Referenced by wmv2_decode_end().

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

Definition at line 340 of file h263dec.c.

av_cold int ff_h263_decode_init

(

AVCodecContext *

avctx

)

Definition at line 47 of file h263dec.c.

Referenced by decode_init(), and ff_msmpeg4_decode_init().

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 134 of file h263dec.c.

---

Variable Documentation

AVCodec ff_h263_decoder

Initial value:

 {
    .name           = "h263",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_H263,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = ff_h263_decode_init,
    .close          = ff_h263_decode_end,
    .decode         = ff_h263_decode_frame,
    .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
    .flush= ff_mpeg_flush,
    .max_lowres= 3,
    .long_name= NULL_IF_CONFIG_SMALL("H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2"),
    .pix_fmts= ff_hwaccel_pixfmt_list_420,
}

Definition at line 753 of file h263dec.c.