misc image conversion routines More...

#include "avcodec.h"
#include "dsputil.h"
#include "internal.h"
#include "libavutil/colorspace.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"

Macros
#define	deinterlace_line_inplace deinterlace_line_inplace_c

#define	deinterlace_line deinterlace_line_c

Functions
void	avcodec_get_chroma_sub_sample (enum AVPixelFormat pix_fmt, int h_shift, int v_shift)

static int	is_gray (const AVPixFmtDescriptor *desc)

int	avcodec_get_pix_fmt_loss (enum AVPixelFormat dst_pix_fmt, enum AVPixelFormat src_pix_fmt, int has_alpha)
	Compute what kind of losses will occur when converting from one specific pixel format to another. More...

static enum AVPixelFormat	avcodec_find_best_pix_fmt1 (enum AVPixelFormat *pix_fmt_list, enum AVPixelFormat src_pix_fmt, int has_alpha, int loss_mask)

enum AVPixelFormat	avcodec_find_best_pix_fmt2 (enum AVPixelFormat pix_fmt_list, enum AVPixelFormat src_pix_fmt, int has_alpha, int loss_ptr)
	Find the best pixel format to convert to given a certain source pixel format. More...

void	ff_shrink22 (uint8_t dst, int dst_wrap, const uint8_t src, int src_wrap, int width, int height)

void	ff_shrink44 (uint8_t dst, int dst_wrap, const uint8_t src, int src_wrap, int width, int height)

void	ff_shrink88 (uint8_t dst, int dst_wrap, const uint8_t src, int src_wrap, int width, int height)

static int	is_yuv_planar (const AVPixFmtDescriptor *desc)

int	av_picture_crop (AVPicture dst, const AVPicture src, enum AVPixelFormat pix_fmt, int top_band, int left_band)
	Crop image top and left side. More...

int	av_picture_pad (AVPicture dst, const AVPicture src, int height, int width, enum AVPixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright, int *color)
	Pad image. More...

static void	deinterlace_line_c (uint8_t dst, const uint8_t lum_m4, const uint8_t lum_m3, const uint8_t lum_m2, const uint8_t lum_m1, const uint8_t lum, int size)

static void	deinterlace_line_inplace_c (uint8_t lum_m4, uint8_t lum_m3, uint8_t lum_m2, uint8_t lum_m1, uint8_t *lum, int size)

static void	deinterlace_bottom_field (uint8_t dst, int dst_wrap, const uint8_t src1, int src_wrap, int width, int height)

static void	deinterlace_bottom_field_inplace (uint8_t *src1, int src_wrap, int width, int height)

int	avpicture_deinterlace (AVPicture dst, const AVPicture src, enum AVPixelFormat pix_fmt, int width, int height)
	deinterlace - if not supported return -1 More...

Detailed Description

misc image conversion routines

Definition in file imgconvert.c.

Macro Definition Documentation

#define deinterlace_line deinterlace_line_c

Definition at line 50 of file imgconvert.c.

Referenced by deinterlace_bottom_field().

#define deinterlace_line_inplace deinterlace_line_inplace_c

Definition at line 49 of file imgconvert.c.

Referenced by deinterlace_bottom_field_inplace().

Function Documentation

static enum AVPixelFormat avcodec_find_best_pix_fmt1	(	enum AVPixelFormat *	pix_fmt_list,
		enum AVPixelFormat	src_pix_fmt,
		int	has_alpha,
		int	loss_mask
	)

static

Definition at line 105 of file imgconvert.c.

Referenced by avcodec_find_best_pix_fmt2().

static void deinterlace_bottom_field	(	uint8_t *	dst,
		int	dst_wrap,
		const uint8_t *	src1,
		int	src_wrap,
		int	width,
		int	height
	)

static

Definition at line 422 of file imgconvert.c.

Referenced by avpicture_deinterlace().

static void deinterlace_bottom_field_inplace	(	uint8_t *	src1,
		int	src_wrap,
		int	width,
		int	height
	)

static

Definition at line 451 of file imgconvert.c.

Referenced by avpicture_deinterlace().

static void deinterlace_line_c	(	uint8_t *	dst,
		const uint8_t *	lum_m4,
		const uint8_t *	lum_m3,
		const uint8_t *	lum_m2,
		const uint8_t *	lum_m1,
		const uint8_t *	lum,
		int	size
	)