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

#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	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, 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)

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)

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 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

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, int stride, VP56mv mv, int mask, int select, int luma)

Definition at line 75 of file vp56.h.

typedef void(* 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.

Definition at line 48 of file vp56.h.

Function Documentation

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

Definition at line 682 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 688 of file vp56.c.

Referenced by ff_vp56_init(), and vp6_decode_init().

int ff_vp56_free ( AVCodecContext * avctx )

Definition at line 742 of file vp56.c.

Referenced by ff_vp56_init_context(), and vp6_decode_free().

int ff_vp56_free_context ( VP56Context * s )

Definition at line 748 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 499 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(), vp6_parse_header(), and vp9_decode_frame().

static av_always_inline unsigned int vp56_rac_renorm ( VP56RangeCoder * c )

static

Definition at line 227 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 252 of file vp56.h.

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

static

Definition at line 268 of file vp56.h.

Referenced by decode_block_coeffs(), decode_block_coeffs_internal(), decode_coeffs_b_generic(), decode_frame_header(), decode_mb_mode(), decode_mode(), decode_mvs(), decode_sb(), decode_splitmvs(), read_mv_component(), and vp9_decode_frame().

static av_always_inline int vp56_rac_get ( VP56RangeCoder * c )

static

Definition at line 286 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 305 of file vp56.h.

Referenced by decode_block_coeffs_internal(), decode_coeffs_b_generic(), decode_frame_header(), parse_segment_info(), update_lf_deltas(), update_prob(), 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 310 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 321 of file vp56.h.

Referenced by decode_frame_header(), get_quants(), parse_segment_info(), ref_to_update(), setup_partitions(), update_lf_deltas(), update_prob(), 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 333 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 349 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 355 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 362 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 377 of file vp56.h.

Referenced by decode_intra4x4_modes(), decode_mb_mode(), decode_mode(), decode_sb(), fill_mv(), and read_mv_component().

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

static

Definition at line 390 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().

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation