vp56.c File Reference

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

#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "h264chroma.h"
#include "vp56.h"
#include "vp56data.h"

Go to the source code of this file.

Macros
#define	T(x)   (x >> 3) | ((x & 7) << 3)

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, ptrdiff_t stride, int dx, int dy)
static void	vp56_mc (VP56Context *s, int b, int plane, uint8_t *src, ptrdiff_t stride, int x, int y)
static void	vp56_decode_mb (VP56Context *s, int row, int col, int is_alpha)
static int	vp56_size_changed (VP56Context *s)
static int	ff_vp56_decode_mbs (AVCodecContext *avctx, void *, int, int)
int	ff_vp56_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
av_cold int	ff_vp56_init (AVCodecContext *avctx, int flip, int has_alpha)
av_cold int	ff_vp56_init_context (AVCodecContext *avctx, VP56Context *s, int flip, int has_alpha)
av_cold int	ff_vp56_free (AVCodecContext *avctx)
av_cold int	ff_vp56_free_context (VP56Context *s)

Detailed Description

VP5 and VP6 compatible video decoder (common features)

Definition in file vp56.c.

Macro Definition Documentation

#define T

(

x

)

(x >> 3) | ((x & 7) << 3)

Function Documentation

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().

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

static

Definition at line 41 of file vp56.c.

Referenced by vp56_decode_mv().

static void vp56_parse_mb_type_models ( VP56Context *  s )

static

Definition at line 79 of file vp56.c.

Referenced by ff_vp56_decode_mbs().

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

static

Definition at line 150 of file vp56.c.

Referenced by vp56_decode_mv().

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

static

Definition at line 162 of file vp56.c.

Referenced by vp56_decode_mv().

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

static

Definition at line 207 of file vp56.c.

Referenced by vp56_decode_mb().

static void vp56_add_predictors_dc ( VP56Context *  s, VP56Frame  ref_frame  )

static

Definition at line 264 of file vp56.c.

Referenced by vp56_decode_mb().

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

static

Definition at line 305 of file vp56.c.

Referenced by vp56_mc().

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

static

Definition at line 313 of file vp56.c.

Referenced by vp56_decode_mb().

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

static

Definition at line 383 of file vp56.c.

Referenced by ff_vp56_decode_mbs().

static int vp56_size_changed ( VP56Context *  s )

static

Definition at line 455 of file vp56.c.

Referenced by ff_vp56_decode_frame().

static int ff_vp56_decode_mbs ( AVCodecContext *  avctx, void *  data, int  jobnr, int  threadnr  )

static

Definition at line 579 of file vp56.c.

Referenced by ff_vp56_decode_frame().

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

Definition at line 498 of file vp56.c.

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

Definition at line 681 of file vp56.c.

Referenced by vp5_decode_init(), and vp6_decode_init().

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

Definition at line 687 of file vp56.c.

Referenced by ff_vp56_init(), and vp6_decode_init().

av_cold int ff_vp56_free

(

AVCodecContext *

avctx

)

Definition at line 741 of file vp56.c.

Referenced by ff_vp56_init_context(), and vp6_decode_free().

av_cold int ff_vp56_free_context

(

VP56Context *

s

)

Definition at line 747 of file vp56.c.

Referenced by ff_vp56_free(), and vp6_decode_free().