vp56.h File Reference

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 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

VP56_SIZE_CHANGE

#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().

vp56_rac_get_prob

#define vp56_rac_get_prob   vp56_rac_get_prob

Definition at line 254 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

VP56ParseVectorAdjustment

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

Definition at line 73 of file vp56.h.

VP56Filter

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.

VP56ParseCoeff

typedef int(* VP56ParseCoeff) (VP56Context *s)

Definition at line 78 of file vp56.h.

VP56DefaultModelsInit

typedef void(* VP56DefaultModelsInit) (VP56Context *s)

Definition at line 79 of file vp56.h.

VP56ParseVectorModels

typedef void(* VP56ParseVectorModels) (VP56Context *s)

Definition at line 80 of file vp56.h.

VP56ParseCoeffModels

typedef int(* VP56ParseCoeffModels) (VP56Context *s)

Definition at line 81 of file vp56.h.

VP56ParseHeader

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

Definition at line 82 of file vp56.h.

Enumeration Type Documentation

VP56Frame

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.

VP56mb

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

ff_vp56_init()

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

Definition at line 752 of file vp56.c.

Referenced by vp5_decode_init(), and vp6_decode_init().

ff_vp56_init_context()

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

Definition at line 758 of file vp56.c.

Referenced by ff_vp56_init(), and vp6_decode_init().

ff_vp56_free()

int ff_vp56_free

(

AVCodecContext *

avctx

)

Definition at line 811 of file vp56.c.

Referenced by ff_vp56_init_context(), and vp6_decode_free().

ff_vp56_free_context()

int ff_vp56_free_context

(

VP56Context *

s

)

Definition at line 817 of file vp56.c.

Referenced by ff_vp56_free(), and vp6_decode_free().

ff_vp56_init_dequant()

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().

ff_vp56_decode_frame()

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

Definition at line 544 of file vp56.c.

ff_vp56_init_range_decoder()

int 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(), decode_tiles(), setup_partitions(), vp5_parse_header(), vp6_parse_header(), vp7_decode_frame_header(), vp8_decode_frame_header(), and vp9_decode_frame().

vp56_rac_renorm()

static av_always_inline unsigned int vp56_rac_renorm ( VP56RangeCoder *  c )

static

Definition at line 230 of file vp56.h.

Referenced by vp56_rac_get(), vp56_rac_get_prob(), vp56_rac_get_prob_branchy(), and vp8_decode_frame_header().

vp56_rac_get_prob()

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

static

Definition at line 255 of file vp56.h.

vp56_rac_get_prob_branchy()

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

static

Definition at line 271 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_sb(), decode_splitmvs(), decode_tiles(), 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(), vp78_update_pred16x16_pred8x8_mvc_probabilities(), vp78_update_probability_tables(), vp7_decode_mvs(), vp8_decode_mvs(), and vp9_decode_frame().

vp56_rac_get()

static av_always_inline int vp56_rac_get ( VP56RangeCoder *  c )

static

Definition at line 289 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().

vp8_rac_get()

static av_always_inline int vp8_rac_get ( VP56RangeCoder *  c )

static

Definition at line 308 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(), vp78_update_pred16x16_pred8x8_mvc_probabilities(), vp7_decode_frame_header(), vp7_get_quants(), vp8_decode_frame_header(), vp8_rac_get_sint(), and vp8_rac_get_uint().

vp56_rac_gets()

static int vp56_rac_gets ( VP56RangeCoder *  c, int  bits  )

static

Definition at line 313 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().

vp8_rac_get_uint()

static int vp8_rac_get_uint ( VP56RangeCoder *  c, int  bits  )

static

Definition at line 324 of file vp56.h.

Referenced by decode_frame_header(), parse_segment_info(), ref_to_update(), setup_partitions(), update_lf_deltas(), update_prob(), vp78_update_pred16x16_pred8x8_mvc_probabilities(), vp78_update_probability_tables(), vp7_decode_frame_header(), vp7_fade_frame(), vp7_get_quants(), vp8_decode_frame_header(), vp8_get_quants(), vp8_rac_get_nn(), and vp8_rac_get_sint().

vp8_rac_get_sint()

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

static

Definition at line 336 of file vp56.h.

Referenced by parse_segment_info(), and vp8_get_quants().

vp56_rac_gets_nn()

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

static

Definition at line 352 of file vp56.h.

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

vp8_rac_get_nn()

static av_unused int vp8_rac_get_nn ( VP56RangeCoder *  c )

static

Definition at line 358 of file vp56.h.

Referenced by vp78_update_pred16x16_pred8x8_mvc_probabilities().

vp56_rac_get_tree()

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

static

Definition at line 365 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().

vp8_rac_get_tree()

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

static

Definition at line 380 of file vp56.h.

Referenced by decode_intra4x4_modes(), decode_mb_mode(), decode_mode(), decode_sb(), ff_vp9_fill_mv(), and read_mv_component().

vp8_rac_get_coeff()

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

static

Definition at line 393 of file vp56.h.

Referenced by decode_block_coeffs_internal().

Variable Documentation

ff_vp56_norm_shift

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().