rv34.h File Reference

RV30 and RV40 decoder common data declarations. More...

#include "avcodec.h"
#include "mpegvideo.h"
#include "h264pred.h"
#include "rv34dsp.h"

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Data Structures
struct	RV34VLC
	VLC tables used by the decoder. More...
struct	SliceInfo
	essential slice information More...
struct	RV34DecContext
	decoder context More...

Macros
#define	MB_TYPE_SEPARATE_DC   0x01000000
#define	IS_SEPARATE_DC(a)   ((a) & MB_TYPE_SEPARATE_DC)

Typedefs
typedef struct RV34VLC	RV34VLC
	VLC tables used by the decoder. More...
typedef struct SliceInfo	SliceInfo
	essential slice information More...
typedef struct RV34DecContext	RV34DecContext
	decoder context More...

Enumerations
enum	RV40BlockTypes {   RV34_MB_TYPE_INTRA, RV34_MB_TYPE_INTRA16x16, RV34_MB_P_16x16, RV34_MB_P_8x8,   RV34_MB_B_FORWARD, RV34_MB_B_BACKWARD, RV34_MB_SKIP, RV34_MB_B_DIRECT,   RV34_MB_P_16x8, RV34_MB_P_8x16, RV34_MB_B_BIDIR, RV34_MB_P_MIX16x16,   RV34_MB_TYPES }
	RV30 and RV40 Macroblock types. More...

Functions
int	ff_rv34_get_start_offset (GetBitContext *gb, int blocks)
	common decoding functions More...
int	ff_rv34_decode_init (AVCodecContext *avctx)
	Initialize decoder. More...
int	ff_rv34_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
int	ff_rv34_decode_end (AVCodecContext *avctx)
int	ff_rv34_decode_init_thread_copy (AVCodecContext *avctx)
int	ff_rv34_decode_update_thread_context (AVCodecContext *dst, const AVCodecContext *src)

Detailed Description

RV30 and RV40 decoder common data declarations.

Definition in file rv34.h.

Macro Definition Documentation

#define IS_SEPARATE_DC

(

a

)

((a) & MB_TYPE_SEPARATE_DC)

Definition at line 37 of file rv34.h.

Referenced by rv30_loop_filter(), and rv40_loop_filter().

#define MB_TYPE_SEPARATE_DC   0x01000000

Definition at line 36 of file rv34.h.

Typedef Documentation

typedef struct RV34DecContext RV34DecContext

decoder context

typedef struct RV34VLC RV34VLC

VLC tables used by the decoder.

Intra frame VLC sets do not contain some of those tables.

typedef struct SliceInfo SliceInfo

essential slice information

Enumeration Type Documentation

enum RV40BlockTypes

RV30 and RV40 Macroblock types.

Enumerator
RV34_MB_TYPE_INTRA	Intra macroblock.
RV34_MB_TYPE_INTRA16x16	Intra macroblock with DCs in a separate 4x4 block.
RV34_MB_P_16x16	P-frame macroblock, one motion frame.
RV34_MB_P_8x8	P-frame macroblock, 8x8 motion compensation partitions.
RV34_MB_B_FORWARD	B-frame macroblock, forward prediction.
RV34_MB_B_BACKWARD	B-frame macroblock, backward prediction.
RV34_MB_SKIP	Skipped block.
RV34_MB_B_DIRECT	Bidirectionally predicted B-frame macroblock, no motion vectors.
RV34_MB_P_16x8	P-frame macroblock, 16x8 motion compensation partitions.
RV34_MB_P_8x16	P-frame macroblock, 8x16 motion compensation partitions.
RV34_MB_B_BIDIR	Bidirectionally predicted B-frame macroblock, two motion vectors.
RV34_MB_P_MIX16x16	P-frame macroblock with DCs in a separate 4x4 block, one motion vector.
RV34_MB_TYPES

Definition at line 42 of file rv34.h.

Function Documentation

int ff_rv34_decode_end

(

AVCodecContext *

avctx

)

Definition at line 1813 of file rv34.c.

int ff_rv34_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	got_frame,
		AVPacket *	avpkt
	)

Definition at line 1610 of file rv34.c.

int ff_rv34_decode_init

(

AVCodecContext *

avctx

)

Initialize decoder.

Definition at line 1470 of file rv34.c.

Referenced by rv30_decode_init(), and rv40_decode_init().

int ff_rv34_decode_init_thread_copy

(

AVCodecContext *

avctx

)

Definition at line 1516 of file rv34.c.

int ff_rv34_decode_update_thread_context	(	AVCodecContext *	dst,
		const AVCodecContext *	src
	)

Definition at line 1534 of file rv34.c.

int ff_rv34_get_start_offset	(	GetBitContext *	gb,
		int	mb_size
	)

common decoding functions

common decoding functions

Todo:

Maybe replace with ff_h263_decode_mba() ?

Definition at line 329 of file rv34.c.

Referenced by rv30_parse_slice_header(), and rv40_parse_slice_header().