FFmpeg: libavcodec/h264_direct.c File Reference

H.264 / AVC / MPEG4 part10 direct mb/block decoding. More...

#include "internal.h"
#include "avcodec.h"
#include "h264.h"
#include "mpegutils.h"
#include "rectangle.h"
#include "thread.h"
#include <assert.h>

Go to the source code of this file.

Macros
#define	MB_TYPE_16x16_OR_INTRA

Functions
static int	get_scale_factor (H264SliceContext *sl, int poc, int poc1, int i)

void	ff_h264_direct_dist_scale_factor (const H264Context const h, H264SliceContext sl)

static void	fill_colmap (const H264Context h, H264SliceContext sl, int map[2][16+32], int list, int field, int colfield, int mbafi)

void	ff_h264_direct_ref_list_init (const H264Context const h, H264SliceContext sl)

static void	await_reference_mb_row (const H264Context const h, H264Ref ref, int mb_y)

static void	pred_spatial_direct_motion (const H264Context const h, H264SliceContext sl, int *mb_type)

static void	pred_temp_direct_motion (const H264Context const h, H264SliceContext sl, int *mb_type)

void	ff_h264_pred_direct_motion (const H264Context const h, H264SliceContext sl, int *mb_type)

Detailed Description

H.264 / AVC / MPEG4 part10 direct mb/block decoding.

Author: Michael Niedermayer micha.nosp@m.elni.nosp@m.@gmx..nosp@m.at

Definition in file h264_direct.c.

Macro Definition Documentation

#define MB_TYPE_16x16_OR_INTRA

Value:

(MB_TYPE_16x16 | MB_TYPE_INTRA4x4 | \

MB_TYPE_INTRA16x16 | MB_TYPE_INTRA_PCM)

MB_TYPE_INTRA16x16

#define MB_TYPE_INTRA16x16

Definition: avcodec.h:895

MB_TYPE_INTRA4x4

#define MB_TYPE_INTRA4x4

Definition: avcodec.h:894

MB_TYPE_INTRA_PCM

#define MB_TYPE_INTRA_PCM

Definition: avcodec.h:896

#define MB_TYPE_16x16

Definition: avcodec.h:897

Referenced by pred_spatial_direct_motion(), and pred_temp_direct_motion().

Function Documentation

static int get_scale_factor	(	H264SliceContext *	sl,
		int	poc,
		int	poc1,
		int	i
	)

static

Definition at line 37 of file h264_direct.c.

Referenced by ff_h264_direct_dist_scale_factor().

void ff_h264_direct_dist_scale_factor	(	const H264Context *const	h,
		H264SliceContext *	sl
	)

Definition at line 51 of file h264_direct.c.

Referenced by ff_h264_decode_slice_header().

static void fill_colmap	(	const H264Context *	h,
		H264SliceContext *	sl,
		int	map[2][16+32],
		int	list,
		int	field,
		int	colfield,
		int	mbafi
	)

static

Definition at line 72 of file h264_direct.c.

Referenced by ff_h264_direct_ref_list_init().

void ff_h264_direct_ref_list_init	(	const H264Context *const	h,
		H264SliceContext *	sl
	)

Definition at line 110 of file h264_direct.c.

Referenced by ff_h264_decode_slice_header().

static void await_reference_mb_row	(	const H264Context *const	h,
		H264Ref *	ref,
		int	mb_y
	)

static

Definition at line 162 of file h264_direct.c.

Referenced by pred_spatial_direct_motion(), and pred_temp_direct_motion().

static void pred_spatial_direct_motion	(	const H264Context *const	h,
		H264SliceContext *	sl,
		int *	mb_type
	)

static

Definition at line 181 of file h264_direct.c.

Referenced by ff_h264_pred_direct_motion().

static void pred_temp_direct_motion	(	const H264Context *const	h,
		H264SliceContext *	sl,
		int *	mb_type
	)

static

Definition at line 468 of file h264_direct.c.

Referenced by ff_h264_pred_direct_motion().

void ff_h264_pred_direct_motion	(	const H264Context *const	h,
		H264SliceContext *	sl,
		int *	mb_type
	)

Definition at line 702 of file h264_direct.c.

Referenced by decode_mb_skip(), ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().