vf_psnr.c File Reference

Caculate the PSNR between two input videos. More...

#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "framesync.h"
#include "internal.h"
#include "psnr.h"
#include "video.h"

Classes
struct	PSNRContext

Macros
#define	OFFSET(x)   offsetof(PSNRContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define	PF_NOALPHA(suf)   AV_PIX_FMT_YUV420##suf, AV_PIX_FMT_YUV422##suf, AV_PIX_FMT_YUV444##suf
#define	PF_ALPHA(suf)   AV_PIX_FMT_YUVA420##suf, AV_PIX_FMT_YUVA422##suf, AV_PIX_FMT_YUVA444##suf
#define	PF(suf)   PF_NOALPHA(suf), PF_ALPHA(suf)

Typedefs
typedef struct PSNRContext	PSNRContext

Functions
	FRAMESYNC_DEFINE_CLASS (psnr, PSNRContext, fs)

Variables
AVFilter	ff_vf_psnr

Detailed Description

Caculate the PSNR between two input videos.

Variable Documentation

ff_vf_psnr

AVFilter ff_vf_psnr

Initial value:

= {
    .name          = "psnr",
    .description   = NULL_IF_CONFIG_SMALL("Calculate the PSNR between two video streams."),
    .preinit       = psnr_framesync_preinit,
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .activate      = activate,
    .priv_size     = sizeof(PSNRContext),
    .priv_class    = &psnr_class,
    .inputs        = psnr_inputs,
    .outputs       = psnr_outputs,
}