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"

Go to the source code of this file.

Data Structures
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, 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)

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

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 46 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 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().

Typedef Documentation

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

Definition at line 48 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 void(* VP56ParseCoeff)(VP56Context *s)

Definition at line 53 of file vp56.h.

typedef void(* VP56DefaultModelsInit)(VP56Context *s)

Definition at line 54 of file vp56.h.

typedef void(* VP56ParseVectorModels)(VP56Context *s)

Definition at line 55 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.

Function Documentation

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().

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().

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().

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

Definition at line 496 of file vp56.c.

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 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 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 ( 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 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_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 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().

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_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_unused int vp8_rac_get_nn ( VP56RangeCoder *  c )

static

Definition at line 330 of file vp56.h.

Referenced by decode_frame_header().

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_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_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().

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().