h263dec.h File Reference

#include "get_bits.h"
#include "mpegvideo.h"
#include "vlc.h"
#include "libavutil/mem_internal.h"

Go to the source code of this file.

Data Structures
struct	H263DecContext

Macros
#define	H263_MV_VLC_BITS   9
#define	INTRA_MCBPC_VLC_BITS   6
#define	INTER_MCBPC_VLC_BITS   7
#define	CBPY_VLC_BITS   6
#define	TEX_VLC_BITS   9
#define	FRAME_SKIPPED   100
	Frame is not coded.
#define	SLICE_OK   0
#define	SLICE_ERROR   -1
#define	SLICE_END   -2
	end marker found
#define	SLICE_NOEND   -3
	no end marker or error found but mb count exceeded

Functions
int	ff_h263_decode_motion (H263DecContext *const h, int pred, int f_code)
int	ff_h263_decode_init (AVCodecContext *avctx)
int	ff_h263_decode_frame (AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *avpkt)
void	ff_h263_decode_init_vlc (void)
int	ff_h263_decode_picture_header (H263DecContext *const h)
int	ff_h263_decode_gob_header (H263DecContext *const h)
int	ff_h263_decode_mba (H263DecContext *const h)
void	ff_h263_show_pict_info (H263DecContext *const h, int h263_plus)
	Print picture info if FF_DEBUG_PICT_INFO is set.
int	ff_intel_h263_decode_picture_header (H263DecContext *const h)
int	ff_h263_decode_mb (H263DecContext *const h)
int	ff_h263_resync (H263DecContext *const h)
	Decode the group of blocks / video packet header / slice header (MPEG-4 Studio).

Variables
VLCElem	ff_h263_intra_MCBPC_vlc []
VLCElem	ff_h263_inter_MCBPC_vlc []
VLCElem	ff_h263_cbpy_vlc []
VLCElem	ff_h263_mv_vlc []

Macro Definition Documentation

H263_MV_VLC_BITS

#define H263_MV_VLC_BITS   9

Definition at line 32 of file h263dec.h.

Referenced by ff_h263_decode_motion(), h263_decode_init_vlc(), and msmpeg4v2_decode_motion().

INTRA_MCBPC_VLC_BITS

#define INTRA_MCBPC_VLC_BITS   6

Definition at line 33 of file h263dec.h.

Referenced by ff_h263_decode_mb(), h263_decode_init_vlc(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), and msmpeg4v12_decode_mb().

INTER_MCBPC_VLC_BITS

#define INTER_MCBPC_VLC_BITS   7

Definition at line 34 of file h263dec.h.

Referenced by ff_h263_decode_mb(), h263_decode_init_vlc(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), msmpeg4v12_decode_mb(), and preview_obmc().

CBPY_VLC_BITS

#define CBPY_VLC_BITS   6

Definition at line 35 of file h263dec.h.

Referenced by ff_h263_decode_mb(), h263_decode_init_vlc(), mpeg4_decode_mb(), mpeg4_decode_partition_b(), msmpeg4v12_decode_mb(), and preview_obmc().

TEX_VLC_BITS

#define TEX_VLC_BITS   9

Definition at line 36 of file h263dec.h.

FRAME_SKIPPED

#define FRAME_SKIPPED   100

Frame is not coded.

Definition at line 90 of file h263dec.h.

Referenced by decode_vop_header(), ff_h263_decode_frame(), ff_intel_h263_decode_picture_header(), ff_mpeg4_parse_picture_header(), and wmv2_decode_picture_header().

SLICE_OK

#define SLICE_OK   0

Definition at line 93 of file h263dec.h.

SLICE_ERROR

#define SLICE_ERROR   -1

Definition at line 94 of file h263dec.h.

SLICE_END

#define SLICE_END   -2

end marker found

Definition at line 95 of file h263dec.h.

SLICE_NOEND

#define SLICE_NOEND   -3

no end marker or error found but mb count exceeded

Definition at line 96 of file h263dec.h.

Referenced by decode_slice(), and mpeg4_decode_partitioned_mb().

Function Documentation

ff_h263_decode_motion()

int ff_h263_decode_motion	(	H263DecContext *const	h,
		int	pred,
		int	f_code )

Definition at line 279 of file ituh263dec.c.

Referenced by ff_h263_decode_mb(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), and preview_obmc().

ff_h263_decode_init()

int ff_h263_decode_init

(

AVCodecContext *

avctx

)

Definition at line 94 of file h263dec.c.

Referenced by ff_msmpeg4_decode_init(), and rv10_decode_init().

ff_h263_decode_frame()

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

Definition at line 443 of file h263dec.c.

ff_h263_decode_init_vlc()

void ff_h263_decode_init_vlc

(

void

)

Definition at line 136 of file ituh263dec.c.

Referenced by ff_h263_decode_init().

ff_h263_decode_picture_header()

int ff_h263_decode_picture_header

(

H263DecContext *const

h

)

Definition at line 1092 of file ituh263dec.c.

Referenced by ff_h263_decode_init().

ff_h263_decode_gob_header()

int ff_h263_decode_gob_header

(

H263DecContext *const

h

)

ff_h263_decode_mba()

int ff_h263_decode_mba

(

H263DecContext *const

h

)

Definition at line 142 of file ituh263dec.c.

Referenced by ff_h263_decode_picture_header(), h263_decode_gob_header(), and rv20_decode_picture_header().

ff_h263_show_pict_info()

void ff_h263_show_pict_info	(	H263DecContext *const	h,
		int	h263_plus )

Print picture info if FF_DEBUG_PICT_INFO is set.

Definition at line 80 of file ituh263dec.c.

Referenced by ff_h263_decode_picture_header(), and ff_intel_h263_decode_picture_header().

ff_intel_h263_decode_picture_header()

int ff_intel_h263_decode_picture_header

(

H263DecContext *const

h

)

Definition at line 29 of file intelh263dec.c.

Referenced by ff_h263_decode_init().

ff_h263_decode_mb()

int ff_h263_decode_mb

(

H263DecContext *const

h

)

Definition at line 784 of file ituh263dec.c.

Referenced by ff_h263_decode_init(), and rv10_decode_packet().

ff_h263_resync()

int ff_h263_resync

(

H263DecContext *const

h

)

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

Definition at line 217 of file ituh263dec.c.

Referenced by ff_h263_decode_frame().

Variable Documentation

ff_h263_intra_MCBPC_vlc

VLCElem ff_h263_intra_MCBPC_vlc[]

extern

Definition at line 102 of file ituh263dec.c.

Referenced by ff_h263_decode_mb(), h263_decode_init_vlc(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), and msmpeg4v12_decode_mb().

ff_h263_inter_MCBPC_vlc

VLCElem ff_h263_inter_MCBPC_vlc[]

extern

Definition at line 103 of file ituh263dec.c.

Referenced by ff_h263_decode_mb(), h263_decode_init_vlc(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), msmpeg4v12_decode_mb(), and preview_obmc().

ff_h263_cbpy_vlc

VLCElem ff_h263_cbpy_vlc[]

extern

Definition at line 104 of file ituh263dec.c.

Referenced by ff_h263_decode_mb(), h263_decode_init_vlc(), mpeg4_decode_mb(), mpeg4_decode_partition_b(), msmpeg4v12_decode_mb(), and preview_obmc().

ff_h263_mv_vlc

VLCElem ff_h263_mv_vlc[]

extern

Definition at line 105 of file ituh263dec.c.

Referenced by ff_h263_decode_motion(), h263_decode_init_vlc(), and msmpeg4v2_decode_motion().