Error resilience / concealment. More...

#include <limits.h>
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "h264.h"
#include "rectangle.h"
#include "thread.h"

Macros
#define	MV_FROZEN 3

#define	MV_CHANGED 2

#define	MV_UNCHANGED 1

Functions
static void	decode_mb (MpegEncContext *s, int ref)

static void	set_mv_strides (MpegEncContext s, int mv_step, int *stride)

static void	put_dc (MpegEncContext s, uint8_t dest_y, uint8_t dest_cb, uint8_t dest_cr, int mb_x, int mb_y)
	Replace the current MB with a flat dc-only version.

static void	filter181 (int16_t *data, int width, int height, int stride)

static void	guess_dc (MpegEncContext s, int16_t dc, int w, int h, int stride, int is_luma)
	guess the dc of blocks which do not have an undamaged dc

static void	h_block_filter (MpegEncContext s, uint8_t dst, int w, int h, int stride, int is_luma)
	simple horizontal deblocking filter used for error resilience

static void	v_block_filter (MpegEncContext s, uint8_t dst, int w, int h, int stride, int is_luma)
	simple vertical deblocking filter used for error resilience

static void	guess_mv (MpegEncContext *s)

static int	is_intra_more_likely (MpegEncContext *s)

void	ff_er_frame_start (MpegEncContext *s)

void	ff_er_add_slice (MpegEncContext *s, int startx, int starty, int endx, int endy, int status)
	Add a slice.

void	ff_er_frame_end (MpegEncContext *s)

Detailed Description

Error resilience / concealment.

Definition in file error_resilience.c.

Macro Definition Documentation

#define MV_FROZEN 3

Referenced by guess_mv().

#define MV_CHANGED 2

Referenced by guess_mv().

#define MV_UNCHANGED 1

Referenced by guess_mv().

Function Documentation

static void decode_mb	(	MpegEncContext *	s,
		int	ref
	)

static

Definition at line 43 of file error_resilience.c.

Referenced by ff_er_frame_end(), and guess_mv().

static void set_mv_strides	(	MpegEncContext *	s,
		int *	mv_step,
		int *	stride
	)

static

Parameters

stride	the number of MVs to get to the next row
mv_step	the number of MVs per row or column in a macroblock

Definition at line 91 of file error_resilience.c.

Referenced by guess_mv(), h_block_filter(), and v_block_filter().

static void put_dc	(	MpegEncContext *	s,
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr,
		int	mb_x,
		int	mb_y
	)

static

Replace the current MB with a flat dc-only version.

Definition at line 107 of file error_resilience.c.

Referenced by ff_er_frame_end().

static void filter181	(	int16_t *	data,
		int	width,
		int	height,
		int	stride
	)

static

Definition at line 142 of file error_resilience.c.

Referenced by ff_er_frame_end().

static void guess_dc	(	MpegEncContext *	s,
		int16_t *	dc,
		int	w,
		int	h,
		int	stride,
		int	is_luma
	)

static

guess the dc of blocks which do not have an undamaged dc

Parameters

w	width in 8 pixel blocks
h	height in 8 pixel blocks

Definition at line 183 of file error_resilience.c.

Referenced by ff_er_frame_end().

static void h_block_filter	(	MpegEncContext *	s,
		uint8_t *	dst,
		int	w,
		int	h,
		int	stride,
		int	is_luma
	)

static

simple horizontal deblocking filter used for error resilience

Parameters

w	width in 8 pixel blocks
h	height in 8 pixel blocks

Definition at line 286 of file error_resilience.c.

Referenced by ff_er_frame_end().

static void v_block_filter	(	MpegEncContext *	s,
		uint8_t *	dst,
		int	w,
		int	h,
		int	stride,
		int	is_luma
	)

static

simple vertical deblocking filter used for error resilience

Parameters

w	width in 8 pixel blocks
h	height in 8 pixel blocks

Definition at line 354 of file error_resilience.c.

Referenced by ff_er_frame_end().

static void guess_mv ( MpegEncContext * s )

static

Definition at line 420 of file error_resilience.c.

Referenced by ff_er_frame_end().

static int is_intra_more_likely ( MpegEncContext * s )

static

Definition at line 744 of file error_resilience.c.

Referenced by ff_er_frame_end().

void ff_er_frame_start ( MpegEncContext * s )

Definition at line 820 of file error_resilience.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_h264_frame_start(), ff_rv34_decode_frame(), h261_decode_frame(), mpeg_field_start(), rv10_decode_packet(), and vc1_decode_frame().

void ff_er_add_slice	(	MpegEncContext *	s,
		int	startx,
		int	starty,
		int	endx,
		int	endy,
		int	status
	)

Add a slice.

Parameters

endx	x component of the last macroblock, can be -1 for the last of the previous line
status	the status at the end (ER_MV_END, ER_AC_ERROR, ...), it is assumed that no earlier end or error of the same type occurred

Definition at line 838 of file error_resilience.c.

Referenced by decode_chunks(), decode_slice(), ff_intrax8_decode_picture(), ff_mpeg4_decode_partitions(), rv10_decode_packet(), rv34_decode_slice(), slice_decode_thread(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().

void ff_er_frame_end ( MpegEncContext * s )

Definition at line 906 of file error_resilience.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_rv34_decode_frame(), field_end(), finish_frame(), rv10_decode_frame(), rv10_decode_packet(), slice_end(), and vc1_decode_frame().

Macros

Functions

Detailed Description

Macro Definition Documentation

Function Documentation