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  VP56RangeCoder
struct  VP56RefDc
struct  vp56_mv
struct  VP56Macroblock
struct  VP56Model
struct  vp56_context

Typedefs

typedef struct vp56_context VP56Context
typedef struct vp56_mv 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, int *golden_frame)

Functions

void vp56_init (AVCodecContext *avctx, int flip, int has_alpha)
int vp56_free (AVCodecContext *avctx)
void vp56_init_dequant (VP56Context *s, int quantizer)
int vp56_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static void vp56_init_range_decoder (VP56RangeCoder *c, const uint8_t *buf, int buf_size)
 vp56 specific range coder implementation
static int vp56_rac_get_prob (VP56RangeCoder *c, uint8_t prob)
static int vp56_rac_get (VP56RangeCoder *c)
static int vp56_rac_gets (VP56RangeCoder *c, int bits)
static int vp56_rac_gets_nn (VP56RangeCoder *c, int bits)
static int vp56_rac_get_tree (VP56RangeCoder *c, const VP56Tree *tree, const uint8_t *probs)


Detailed Description

VP5 and VP6 compatible video decoder (common features).

Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org>

This file is part of FFmpeg.

FFmpeg is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

FFmpeg is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with FFmpeg; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Definition in file vp56.h.


Typedef Documentation

typedef struct vp56_context VP56Context

Definition at line 33 of file vp56.h.

typedef void(* VP56DefaultModelsInit)(VP56Context *s)

Definition at line 42 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 38 of file vp56.h.

typedef struct vp56_mv VP56mv

Definition at line 34 of file vp56.h.

typedef void(* VP56ParseCoeff)(VP56Context *s)

Definition at line 41 of file vp56.h.

typedef int(* VP56ParseCoeffModels)(VP56Context *s)

Definition at line 44 of file vp56.h.

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

Definition at line 45 of file vp56.h.

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

Definition at line 36 of file vp56.h.

typedef void(* VP56ParseVectorModels)(VP56Context *s)

Definition at line 43 of file vp56.h.


Function Documentation

int vp56_decode_frame ( AVCodecContext avctx,
void *  data,
int *  data_size,
AVPacket avpkt 
)

Definition at line 484 of file vp56.c.

int vp56_free ( AVCodecContext avctx  ) 

Definition at line 683 of file vp56.c.

Referenced by vp6_decode_free().

void vp56_init ( AVCodecContext avctx,
int  flip,
int  has_alpha 
)

Definition at line 644 of file vp56.c.

Referenced by vp5_decode_init(), and vp6_decode_init().

void vp56_init_dequant ( VP56Context s,
int  quantizer 
)

Definition at line 31 of file vp56.c.

Referenced by vp5_parse_header(), and vp6_parse_header().

static void vp56_init_range_decoder ( VP56RangeCoder c,
const uint8_t *  buf,
int  buf_size 
) [inline, static]

vp56 specific range coder implementation

Definition at line 183 of file vp56.h.

Referenced by vp5_parse_header(), and vp6_parse_header().

static int vp56_rac_get ( VP56RangeCoder c  )  [inline, static]

static int vp56_rac_get_prob ( VP56RangeCoder c,
uint8_t  prob 
) [inline, static]

static int vp56_rac_get_tree ( VP56RangeCoder c,
const VP56Tree tree,
const uint8_t *  probs 
) [inline, static]

static int vp56_rac_gets ( VP56RangeCoder c,
int  bits 
) [inline, static]

static int vp56_rac_gets_nn ( VP56RangeCoder c,
int  bits 
) [inline, static]


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