ituh263dec.c File Reference

H.263 decoder. More...

#include <limits.h>
#include "libavutil/attributes.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "avcodec.h"
#include "mpegvideo.h"
#include "h263.h"
#include "h263data.h"
#include "internal.h"
#include "mathops.h"
#include "mpegutils.h"
#include "unary.h"
#include "flv.h"
#include "rv10.h"
#include "mpeg4video.h"
#include "mpegvideodata.h"

Macros
#define	UNCHECKED_BITSTREAM_READER   1
#define	MV_VLC_BITS   9
#define	H263_MBTYPE_B_VLC_BITS   6
#define	CBPC_B_VLC_BITS   3
#define	tab_size   ((signed)FF_ARRAY_ELEMS(s->direct_scale_mv[0]))
#define	tab_bias   (tab_size / 2)

Functions
void	ff_h263_show_pict_info (MpegEncContext *s)
	Print picture info if FF_DEBUG_PICT_INFO is set.
av_cold void	ff_h263_decode_init_vlc (void)
int	ff_h263_decode_mba (MpegEncContext *s)
int	ff_h263_resync (MpegEncContext *s)
	Decode the group of blocks / video packet header / slice header (MPEG-4 Studio). More...
int	ff_h263_decode_motion (MpegEncContext *s, int pred, int f_code)
int	ff_h263_decode_mb (MpegEncContext *s, int16_t block[6][64])
int	ff_h263_decode_picture_header (MpegEncContext *s)

Variables
VLC	ff_h263_intra_MCBPC_vlc
VLC	ff_h263_inter_MCBPC_vlc
VLC	ff_h263_cbpy_vlc

Detailed Description

H.263 decoder.

Function Documentation

ff_h263_resync()

int ff_h263_resync

(

MpegEncContext *

s

)

Decode the group of blocks / video packet header / slice header (MPEG-4 Studio).

Returns

bit position of the resync_marker, or <0 if none was found