libavcodec/vp56.h File Reference

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

#include "vp56data.h"
#include "dsputil.h"
#include "get_bits.h"
#include "bytestream.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	vp56_context
Defines
#define	vp56_rac_get_prob   vp56_rac_get_prob
Typedefs
typedef struct vp56_context	VP56Context
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, int *golden_frame)
Functions
void	ff_vp56_init (AVCodecContext *avctx, int flip, int has_alpha)
int	ff_vp56_free (AVCodecContext *avctx)
void	ff_vp56_init_dequant (VP56Context *s, int quantizer)
int	ff_vp56_decode_frame (AVCodecContext *avctx, void *data, int *data_size, 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.

---

Define Documentation

#define vp56_rac_get_prob   vp56_rac_get_prob

Definition at line 212 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 struct vp56_context VP56Context

Definition at line 35 of file vp56.h.

typedef void(* VP56DefaultModelsInit)(VP56Context *s)

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 44 of file vp56.h.

typedef void(* VP56ParseCoeff)(VP56Context *s)

Definition at line 47 of file vp56.h.

typedef int(* VP56ParseCoeffModels)(VP56Context *s)

Definition at line 50 of file vp56.h.

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

Definition at line 51 of file vp56.h.

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

Definition at line 42 of file vp56.h.

typedef void(* VP56ParseVectorModels)(VP56Context *s)

Definition at line 49 of file vp56.h.

---

Function Documentation

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

Definition at line 489 of file vp56.c.

int ff_vp56_free

(

AVCodecContext *

avctx

)

Definition at line 702 of file vp56.c.

Referenced by vp6_decode_free().

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

Definition at line 661 of file vp56.c.

Referenced by vp5_decode_init(), and vp6_decode_init().

void ff_vp56_init_dequant	(	VP56Context *	s,
		int	quantizer
	)

Definition at line 33 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 247 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 213 of file vp56.h.

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

Definition at line 229 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 323 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 271 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 310 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 188 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 266 of file vp56.h.

Referenced by decode_block_coeffs_internal(), decode_frame_header(), parse_segment_info(), 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 351 of file vp56.h.

Referenced by decode_block_coeffs_internal().

static av_unused int vp8_rac_get_nn

(

VP56RangeCoder *

c

)

[static]

Definition at line 316 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 294 of file vp56.h.

Referenced by get_quants(), parse_segment_info(), and update_lf_deltas().

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

Definition at line 338 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 282 of file vp56.h.

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

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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().