libavcodec/vp56.c File Reference

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

#include "avcodec.h"
#include "bytestream.h"
#include "vp56.h"
#include "vp56data.h"

Go to the source code of this file.

Functions
void	ff_vp56_init_dequant (VP56Context *s, int quantizer)
static int	vp56_get_vectors_predictors (VP56Context *s, int row, int col, VP56Frame ref_frame)
static void	vp56_parse_mb_type_models (VP56Context *s)
static VP56mb	vp56_parse_mb_type (VP56Context *s, VP56mb prev_type, int ctx)
static void	vp56_decode_4mv (VP56Context *s, int row, int col)
static VP56mb	vp56_decode_mv (VP56Context *s, int row, int col)
static void	vp56_add_predictors_dc (VP56Context *s, VP56Frame ref_frame)
static void	vp56_deblock_filter (VP56Context *s, uint8_t *yuv, int stride, int dx, int dy)
static void	vp56_mc (VP56Context *s, int b, int plane, uint8_t *src, int stride, int x, int y)
static void	vp56_decode_mb (VP56Context *s, int row, int col, int is_alpha)
static int	vp56_size_changed (AVCodecContext *avctx)
int	ff_vp56_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
av_cold void	ff_vp56_init (AVCodecContext *avctx, int flip, int has_alpha)
av_cold int	ff_vp56_free (AVCodecContext *avctx)

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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.c.

---

Function Documentation

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

Definition at line 487 of file vp56.c.

av_cold int ff_vp56_free

(

AVCodecContext *

avctx

)

Definition at line 700 of file vp56.c.

Referenced by vp6_decode_free().

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

Definition at line 659 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 31 of file vp56.c.

Referenced by vp5_parse_header(), and vp6_parse_header().

static void vp56_add_predictors_dc	(	VP56Context *	s,
		VP56Frame	ref_frame
	)			[static]

Definition at line 262 of file vp56.c.

Referenced by vp56_decode_mb().

static void vp56_deblock_filter	(	VP56Context *	s,
		uint8_t *	yuv,
		int	stride,
		int	dx,
		int	dy
	)			[static]

Definition at line 303 of file vp56.c.

Referenced by vp56_mc().

static void vp56_decode_4mv	(	VP56Context *	s,
		int	row,
		int	col
	)			[static]

Definition at line 160 of file vp56.c.

Referenced by vp56_decode_mv().

static void vp56_decode_mb	(	VP56Context *	s,
		int	row,
		int	col,
		int	is_alpha
	)			[static]

Definition at line 381 of file vp56.c.

Referenced by ff_vp56_decode_frame().

static VP56mb vp56_decode_mv	(	VP56Context *	s,
		int	row,
		int	col
	)			[static]

Definition at line 205 of file vp56.c.

Referenced by vp56_decode_mb().

static int vp56_get_vectors_predictors	(	VP56Context *	s,
		int	row,
		int	col,
		VP56Frame	ref_frame
	)			[static]

Definition at line 39 of file vp56.c.

Referenced by vp56_decode_mv().

static void vp56_mc	(	VP56Context *	s,
		int	b,
		int	plane,
		uint8_t *	src,
		int	stride,
		int	x,
		int	y
	)			[static]

Definition at line 311 of file vp56.c.

Referenced by vp56_decode_mb().

static VP56mb vp56_parse_mb_type	(	VP56Context *	s,
		VP56mb	prev_type,
		int	ctx
	)			[static]

Definition at line 148 of file vp56.c.

Referenced by vp56_decode_mv().

static void vp56_parse_mb_type_models

(

VP56Context *

s

)

[static]

Definition at line 77 of file vp56.c.

Referenced by ff_vp56_decode_frame().

static int vp56_size_changed

(

AVCodecContext *

avctx

)

[static]

Definition at line 450 of file vp56.c.

Referenced by ff_vp56_decode_frame().