Libav
Functions
imgconvert.c File Reference

misc image conversion routines More...

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

Go to the source code of this file.

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...
 
static FF_DISABLE_DEPRECATION_WARNINGS 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)
 
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)
 

Detailed Description

misc image conversion routines

Definition in file imgconvert.c.

Function Documentation

◆ is_gray()

static int is_gray ( const AVPixFmtDescriptor desc)
static

Definition at line 45 of file imgconvert.c.

Referenced by avcodec_get_pix_fmt_loss().

◆ avcodec_find_best_pix_fmt1()

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 90 of file imgconvert.c.

Referenced by avcodec_find_best_pix_fmt2().

◆ is_yuv_planar()

static FF_DISABLE_DEPRECATION_WARNINGS int is_yuv_planar ( const AVPixFmtDescriptor desc)
inlinestatic

Definition at line 161 of file imgconvert.c.

Referenced by av_picture_crop(), and av_picture_pad().