vp56.h File Reference

VP5 and VP6 compatible video decoder (common features) More...

#include "libavutil/mem_internal.h"
#include "avcodec.h"
#include "get_bits.h"
#include "hpeldsp.h"
#include "h264chroma.h"
#include "videodsp.h"
#include "vp3dsp.h"
#include "vp56dsp.h"
#include "vpx_rac.h"

Go to the source code of this file.

Data Structures
struct	VP56Tree
struct	VP56mv
struct	VP56RefDc
struct	VP56Macroblock
struct	VP56Model
struct	VP56Context

Macros
#define	VP56_SIZE_CHANGE   1

Typedefs
typedef void(*	VP56ParseVectorAdjustment) (VP56Context *s, VP56mv *vect)
typedef void(*	VP56Filter) (VP56Context *s, uint8_t *dst, uint8_t *src, int offset1, int offset2, ptrdiff_t stride, VP56mv mv, int mask, int select, int luma)
typedef int(*	VP56ParseCoeff) (VP56Context *s)
typedef void(*	VP56DefaultModelsInit) (VP56Context *s)
typedef void(*	VP56ParseVectorModels) (VP56Context *s)
typedef int(*	VP56ParseCoeffModels) (VP56Context *s)
typedef int(*	VP56ParseHeader) (VP56Context *s, const uint8_t *buf, int buf_size)

Enumerations
enum	VP56Frame { VP56_FRAME_NONE =-1 , VP56_FRAME_CURRENT = 0 , VP56_FRAME_PREVIOUS = 1 , VP56_FRAME_GOLDEN = 2 }
enum	VP56mb {   VP56_MB_INTER_NOVEC_PF = 0 , VP56_MB_INTRA = 1 , VP56_MB_INTER_DELTA_PF = 2 , VP56_MB_INTER_V1_PF = 3 ,   VP56_MB_INTER_V2_PF = 4 , VP56_MB_INTER_NOVEC_GF = 5 , VP56_MB_INTER_DELTA_GF = 6 , VP56_MB_INTER_4V = 7 ,   VP56_MB_INTER_V1_GF = 8 , VP56_MB_INTER_V2_GF = 9 }

Functions
int	ff_vp56_init_context (AVCodecContext *avctx, VP56Context *s, int flip, int has_alpha)
	Initializes an VP56Context.
int	ff_vp56_free_context (VP56Context *s)
void	ff_vp56_init_dequant (VP56Context *s, int quantizer)
int	ff_vp56_decode_frame (AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *avpkt)
static int	vp56_rac_gets (VPXRangeCoder *c, int bits)
	vp56 specific range coder implementation
static av_unused int	vp56_rac_gets_nn (VPXRangeCoder *c, int bits)
static av_always_inline int	vp56_rac_get_tree (VPXRangeCoder *c, const VP56Tree *tree, const uint8_t *probs)

Detailed Description

VP5 and VP6 compatible video decoder (common features)

Definition in file vp56.h.

Macro Definition Documentation

VP56_SIZE_CHANGE

#define VP56_SIZE_CHANGE   1

Definition at line 72 of file vp56.h.

Referenced by ff_vp56_decode_frame(), vp5_parse_header(), and vp6_parse_header().

Typedef Documentation

VP56ParseVectorAdjustment

typedef void(* VP56ParseVectorAdjustment) (VP56Context *s, VP56mv *vect)

Definition at line 74 of file vp56.h.

VP56Filter

typedef void(* VP56Filter) (VP56Context *s, uint8_t *dst, uint8_t *src, int offset1, int offset2, ptrdiff_t stride, VP56mv mv, int mask, int select, int luma)

Definition at line 76 of file vp56.h.

VP56ParseCoeff

typedef int(* VP56ParseCoeff) (VP56Context *s)

Definition at line 79 of file vp56.h.

VP56DefaultModelsInit

typedef void(* VP56DefaultModelsInit) (VP56Context *s)

Definition at line 80 of file vp56.h.

VP56ParseVectorModels

typedef void(* VP56ParseVectorModels) (VP56Context *s)

Definition at line 81 of file vp56.h.

VP56ParseCoeffModels

typedef int(* VP56ParseCoeffModels) (VP56Context *s)

Definition at line 82 of file vp56.h.

VP56ParseHeader

typedef int(* VP56ParseHeader) (VP56Context *s, const uint8_t *buf, int buf_size)

Definition at line 83 of file vp56.h.

Enumeration Type Documentation

VP56Frame

enum VP56Frame

Enumerator
VP56_FRAME_NONE
VP56_FRAME_CURRENT
VP56_FRAME_PREVIOUS
VP56_FRAME_GOLDEN

Definition at line 42 of file vp56.h.

VP56mb

enum VP56mb

Enumerator
VP56_MB_INTER_NOVEC_PF	Inter MB, no vector, from previous frame.
VP56_MB_INTRA	Intra MB.
VP56_MB_INTER_DELTA_PF	Inter MB, above/left vector + delta, from previous frame.
VP56_MB_INTER_V1_PF	Inter MB, first vector, from previous frame.
VP56_MB_INTER_V2_PF	Inter MB, second vector, from previous frame.
VP56_MB_INTER_NOVEC_GF	Inter MB, no vector, from golden frame.
VP56_MB_INTER_DELTA_GF	Inter MB, above/left vector + delta, from golden frame.
VP56_MB_INTER_4V	Inter MB, 4 vectors, from previous frame.
VP56_MB_INTER_V1_GF	Inter MB, first vector, from golden frame.
VP56_MB_INTER_V2_GF	Inter MB, second vector, from golden frame.

Definition at line 49 of file vp56.h.

Function Documentation

ff_vp56_init_context()

int ff_vp56_init_context	(	AVCodecContext *	avctx,
		VP56Context *	s,
		int	flip,
		int	has_alpha )

Initializes an VP56Context.

Expects its caller to clean up in case of error.

Definition at line 819 of file vp56.c.

Referenced by vp5_decode_init(), and vp6_decode_init_context().

ff_vp56_free_context()

int ff_vp56_free_context

(

VP56Context *

s

)

Definition at line 870 of file vp56.c.

Referenced by vp56_free(), and vp6_decode_free_context().

ff_vp56_init_dequant()

void ff_vp56_init_dequant	(	VP56Context *	s,
		int	quantizer )

Definition at line 36 of file vp56.c.

Referenced by vp5_parse_header(), and vp6_parse_header().

ff_vp56_decode_frame()

int ff_vp56_decode_frame	(	AVCodecContext *	avctx,
		AVFrame *	frame,
		int *	got_frame,
		AVPacket *	avpkt )

Definition at line 607 of file vp56.c.

vp56_rac_gets()

static int vp56_rac_gets ( VPXRangeCoder * c, int bits )

static

vp56 specific range coder implementation

Definition at line 233 of file vp56.h.

Referenced by ff_vp56_decode_mbs(), vp56_decode_4mv(), vp56_parse_mb_type_models(), vp56_rac_gets_nn(), vp5_parse_header(), vp6_parse_coeff_models(), and vp6_parse_header().

vp56_rac_gets_nn()

static av_unused int vp56_rac_gets_nn ( VPXRangeCoder * c, int bits )

static

Definition at line 245 of file vp56.h.

Referenced by vp5_parse_coeff_models(), vp5_parse_vector_models(), vp6_parse_coeff_models(), and vp6_parse_vector_models().

vp56_rac_get_tree()

static av_always_inline int vp56_rac_get_tree ( VPXRangeCoder * c, const VP56Tree * tree, const uint8_t * probs )

static

Definition at line 252 of file vp56.h.

Referenced by vp56_parse_mb_type(), vp56_parse_mb_type_models(), vp5_parse_coeff(), vp5_parse_vector_adjustment(), vp6_parse_coeff(), and vp6_parse_vector_adjustment().