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

#include "avcodec.h"
#include "get_bits.h"
#include "hpeldsp.h"
#include "bytestream.h"
#include "h264chroma.h"
#include "videodsp.h"
#include "vp3dsp.h"
#include "vp56dsp.h"

Go to the source code of this file.

Data Structures
struct	VP56Tree

struct	VP56mv

struct	VP56RangeCoder

struct	VP56RefDc

struct	VP56Macroblock

struct	VP56Model

struct	VP56Context

Macros
#define	VP56_SIZE_CHANGE 1

#define	vp56_rac_get_prob vp56_rac_get_prob

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, VP56_FRAME_GOLDEN2 = 3 }

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 (AVCodecContext *avctx, int flip, int has_alpha)

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

int	ff_vp56_free (AVCodecContext *avctx)

int	ff_vp56_free_context (VP56Context *s)

void	ff_vp56_init_dequant (VP56Context *s, int quantizer)

int	ff_vp56_decode_frame (AVCodecContext avctx, void data, int got_frame, AVPacket avpkt)

int	ff_vp56_init_range_decoder (VP56RangeCoder c, const uint8_t buf, int buf_size)

static av_always_inline int	vpX_rac_is_end (VP56RangeCoder *c)
	vp5689 returns 1 if the end of the stream has been reached, 0 otherwise. More...

static av_always_inline unsigned int	vp56_rac_renorm (VP56RangeCoder *c)

static av_always_inline int	vp56_rac_get_prob (VP56RangeCoder *c, uint8_t prob)

static av_always_inline int	vp56_rac_get_prob_branchy (VP56RangeCoder *c, int prob)

static av_always_inline int	vp56_rac_get (VP56RangeCoder *c)

static av_always_inline int	vp8_rac_get (VP56RangeCoder *c)

static int	vp56_rac_gets (VP56RangeCoder *c, int bits)

static int	vp8_rac_get_uint (VP56RangeCoder *c, int bits)

static av_unused int	vp8_rac_get_sint (VP56RangeCoder *c, int bits)

static av_unused int	vp56_rac_gets_nn (VP56RangeCoder *c, int bits)

static av_unused int	vp8_rac_get_nn (VP56RangeCoder *c)

static av_always_inline int	vp56_rac_get_tree (VP56RangeCoder c, const VP56Tree tree, const uint8_t *probs)

static av_always_inline int	vp8_rac_get_tree (VP56RangeCoder c, const int8_t(tree)[2], const uint8_t *probs)

static av_always_inline int	vp8_rac_get_coeff (VP56RangeCoder c, const uint8_t prob)

Variables
const uint8_t	ff_vp56_norm_shift [256]
	vp56 specific range coder implementation More...

Detailed Description

VP5 and VP6 compatible video decoder (common features)

Definition in file vp56.h.

Macro Definition Documentation

#define VP56_SIZE_CHANGE 1

Definition at line 71 of file vp56.h.

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

#define vp56_rac_get_prob vp56_rac_get_prob

Definition at line 262 of file vp56.h.

Referenced by decode_block_coeffs_internal(), decode_coeffs_b_generic(), decode_mb_mode(), decode_mode(), decode_splitmvs(), read_mv_component(), vp5_parse_coeff(), vp5_parse_vector_adjustment(), vp6_parse_coeff(), vp6_parse_vector_adjustment(), vp8_rac_get(), vp8_rac_get_coeff(), and vp8_rac_get_tree().

Typedef Documentation

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

Definition at line 73 of file vp56.h.

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 75 of file vp56.h.

typedef int(* VP56ParseCoeff)(VP56Context *s)

Definition at line 78 of file vp56.h.

typedef void(* VP56DefaultModelsInit)(VP56Context *s)

Definition at line 79 of file vp56.h.

typedef void(* VP56ParseVectorModels)(VP56Context *s)

Definition at line 80 of file vp56.h.

typedef int(* VP56ParseCoeffModels)(VP56Context *s)

Definition at line 81 of file vp56.h.

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

Definition at line 82 of file vp56.h.

Enumeration Type Documentation

enum VP56Frame

Enumerator
VP56_FRAME_NONE
VP56_FRAME_CURRENT
VP56_FRAME_PREVIOUS
VP56_FRAME_GOLDEN
VP56_FRAME_GOLDEN2

Definition at line 40 of file vp56.h.

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.