vp56.h File Reference

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

#include "vp56data.h"
#include "dsputil.h"
#include "get_bits.h"
#include "hpeldsp.h"
#include "bytestream.h"
#include "h264chroma.h"
#include "videodsp.h"
#include "vp3dsp.h"
#include "vp56dsp.h"

Include dependency graph for vp56.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	VP56mv
struct	VP56RangeCoder
struct	VP56RefDc
struct	VP56Macroblock
struct	VP56Model
struct	vp56_context

Macros
#define	VP56_SIZE_CHANGE   1
#define	vp56_rac_get_prob   vp56_rac_get_prob

Typedefs
typedef struct vp56_context	VP56Context
typedef struct VP56mv	VP56mv
typedef void(*	VP56ParseVectorAdjustment) (VP56Context *s, VP56mv *vect)
typedef void(*	VP56Filter) (VP56Context *s, uint8_t *dst, uint8_t *src, int offset1, int offset2, int stride, VP56mv mv, int mask, int select, int luma)
typedef void(*	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)
typedef struct VP56RangeCoder	VP56RangeCoder
typedef struct VP56RefDc	VP56RefDc
typedef struct VP56Macroblock	VP56Macroblock
typedef struct VP56Model	VP56Model

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)
void	ff_vp56_init_range_decoder (VP56RangeCoder *c, const uint8_t *buf, int buf_size)
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 av_unused int	vp56_rac_gets (VP56RangeCoder *c, int bits)
static av_unused 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_rac_get_prob   vp56_rac_get_prob

Definition at line 226 of file vp56.h.

Referenced by decode_block_coeffs_internal(), decode_mb_mode(), decode_splitmvs(), read_mv_component(), vp56_parse_mb_type(), vp56_parse_mb_type_models(), vp56_rac_get_tree(), vp5_parse_coeff(), vp5_parse_coeff_models(), vp5_parse_vector_adjustment(), vp5_parse_vector_models(), vp6_parse_coeff(), vp6_parse_coeff_models(), vp6_parse_vector_adjustment(), vp6_parse_vector_models(), vp8_rac_get(), vp8_rac_get_coeff(), and vp8_rac_get_tree().

#define VP56_SIZE_CHANGE   1

Definition at line 46 of file vp56.h.

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

Typedef Documentation

typedef struct vp56_context VP56Context

Definition at line 39 of file vp56.h.

typedef void(* VP56DefaultModelsInit) (VP56Context *s)

Definition at line 54 of file vp56.h.

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

Definition at line 50 of file vp56.h.

typedef struct VP56Macroblock VP56Macroblock

typedef struct VP56Model VP56Model

typedef struct VP56mv VP56mv

typedef void(* VP56ParseCoeff) (VP56Context *s)

Definition at line 53 of file vp56.h.

typedef int(* VP56ParseCoeffModels) (VP56Context *s)

Definition at line 56 of file vp56.h.

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

Definition at line 57 of file vp56.h.

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

Definition at line 48 of file vp56.h.

typedef void(* VP56ParseVectorModels) (VP56Context *s)

Definition at line 55 of file vp56.h.

typedef struct VP56RangeCoder VP56RangeCoder

typedef struct VP56RefDc VP56RefDc

Function Documentation

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

Definition at line 496 of file vp56.c.

int ff_vp56_free

(

AVCodecContext *

avctx

)

Definition at line 737 of file vp56.c.

Referenced by ff_vp56_init_context(), and vp6_decode_free().

int ff_vp56_free_context

(

VP56Context *

s

)

Definition at line 743 of file vp56.c.

Referenced by ff_vp56_free(), and vp6_decode_free().

int ff_vp56_init	(	AVCodecContext *	avctx,
		int	flip,
		int	has_alpha
	)

Definition at line 678 of file vp56.c.

Referenced by vp5_decode_init(), and vp6_decode_init().

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

Definition at line 684 of file vp56.c.

Referenced by ff_vp56_init(), and vp6_decode_init().

void ff_vp56_init_dequant	(	VP56Context *	s,
		int	quantizer
	)

Definition at line 34 of file vp56.c.

Referenced by vp5_parse_header(), and vp6_parse_header().

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

Definition at line 40 of file vp56rac.c.

Referenced by decode_frame_header(), setup_partitions(), vp5_parse_header(), and vp6_parse_header().

static av_always_inline int vp56_rac_get ( VP56RangeCoder *  c )

static

Definition at line 261 of file vp56.h.

Referenced by vp56_parse_mb_type_models(), vp56_rac_gets(), vp5_parse_coeff(), vp5_parse_header(), vp6_parse_coeff(), vp6_parse_coeff_models(), and vp6_parse_header().

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

static

Definition at line 227 of file vp56.h.

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

static

Definition at line 243 of file vp56.h.

Referenced by decode_block_coeffs(), decode_block_coeffs_internal(), decode_frame_header(), decode_mb_mode(), decode_mvs(), decode_splitmvs(), and read_mv_component().

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

static

Definition at line 337 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().

static av_unused int vp56_rac_gets ( VP56RangeCoder *  c, int  bits  )

static

Definition at line 285 of file vp56.h.

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

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

static

Definition at line 324 of file vp56.h.

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

static av_always_inline unsigned int vp56_rac_renorm ( VP56RangeCoder *  c )

static

Definition at line 202 of file vp56.h.

Referenced by vp56_rac_get(), vp56_rac_get_prob(), and vp56_rac_get_prob_branchy().

static av_always_inline int vp8_rac_get ( VP56RangeCoder *  c )

static

Definition at line 280 of file vp56.h.

Referenced by decode_block_coeffs_internal(), decode_frame_header(), parse_segment_info(), update_lf_deltas(), update_refs(), vp8_rac_get_sint(), and vp8_rac_get_uint().

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

static

Definition at line 365 of file vp56.h.

Referenced by decode_block_coeffs_internal().

static av_unused int vp8_rac_get_nn ( VP56RangeCoder *  c )

static

Definition at line 330 of file vp56.h.

Referenced by decode_frame_header().

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

static

Definition at line 308 of file vp56.h.

Referenced by get_quants(), and parse_segment_info().

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

static

Definition at line 352 of file vp56.h.

Referenced by decode_intra4x4_modes(), and decode_mb_mode().

static av_unused int vp8_rac_get_uint ( VP56RangeCoder *  c, int  bits  )

static

Definition at line 296 of file vp56.h.

Referenced by decode_frame_header(), get_quants(), parse_segment_info(), ref_to_update(), setup_partitions(), update_lf_deltas(), vp8_rac_get_nn(), and vp8_rac_get_sint().

Variable Documentation

const uint8_t ff_vp56_norm_shift[256]

vp56 specific range coder implementation

Definition at line 25 of file vp56rac.c.

Referenced by vp56_rac_renorm().