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Macros | Functions
imgconvert.c File Reference

misc image conversion routines More...

#include "avcodec.h"
#include "imgconvert.h"
#include "internal.h"
#include "mathops.h"
#include "libavutil/avassert.h"
#include "libavutil/colorspace.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"

Go to the source code of this file.

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)
 Utility function to access log2_chroma_w log2_chroma_h from the pixel format AVPixFmtDescriptor.
 
int avcodec_get_pix_fmt_loss (enum AVPixelFormat dst_pix_fmt, enum AVPixelFormat src_pix_fmt, int has_alpha)
 
enum AVPixelFormat avcodec_find_best_pix_fmt_of_2 (enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2, enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
 
enum AVPixelFormat avcodec_find_best_pix_fmt2 (enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2, enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
 
enum AVPixelFormat avcodec_find_best_pix_fmt_of_list (const 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.
 
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.
 
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.
 
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 int 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
 

Detailed Description

misc image conversion routines

Definition in file imgconvert.c.

Macro Definition Documentation

#define deinterlace_line_inplace   deinterlace_line_inplace_c

Definition at line 296 of file imgconvert.c.

Referenced by deinterlace_bottom_field_inplace().

#define deinterlace_line   deinterlace_line_c

Definition at line 297 of file imgconvert.c.

Referenced by deinterlace_bottom_field().

Function Documentation

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

Definition at line 92 of file imgconvert.c.

Referenced by ff_mpegvideoencdsp_init().

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

Definition at line 125 of file imgconvert.c.

Referenced by ff_mpegvideoencdsp_init().

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

Definition at line 156 of file imgconvert.c.

Referenced by ff_mpegvideoencdsp_init().

static int is_yuv_planar ( const AVPixFmtDescriptor desc)
inlinestatic

Definition at line 178 of file imgconvert.c.

Referenced by av_picture_crop(), and av_picture_pad().

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

Definition at line 300 of file imgconvert.c.

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

Definition at line 325 of file imgconvert.c.

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 352 of file imgconvert.c.

Referenced by avpicture_deinterlace().

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

Definition at line 381 of file imgconvert.c.

Referenced by avpicture_deinterlace().