dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-17 14:29:48 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

add -print_psnr and -print_ssim options to cwebp.

Browse Source 
These will report the 7x7-averaged PSNR or SSIM, using the
new internal function WebPPictureDistortion().
This is for information only. These flags have no encoding impact.

+misc opportunistic cosmetics

Change-Id: I64c0a7eca679134d39062e438886274b22bb643f
This commit is contained in:
Pascal Massimino
2012-01-20 07:20:56 -08:00
parent 2e3e8b2ef5
commit d61479f95b
7 changed files with 165 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/enc/vp8enci.h
View File

@ -455,9 +455,20 @@ int VP8EncFinishLayer(VP8Encoder* const enc); // finalize coding
void VP8EncDeleteLayer(VP8Encoder* enc); // reclaim memory
// in filter.c
extern void VP8InitFilter(VP8EncIterator* const it);
extern void VP8StoreFilterStats(VP8EncIterator* const it);
extern void VP8AdjustFilterStrength(VP8EncIterator* const it);
// SSIM utils
typedef struct { double w, xm, ym, xxm, xym, yym; } DistoStats;
void VP8SSIMAddStats(const DistoStats* const src, DistoStats* const dst);
void VP8SSIMAccumulatePlane(const uint8_t* src1, int stride1,
const uint8_t* src2, int stride2,
int W, int H, DistoStats* const stats);
double VP8SSIMGet(const DistoStats* const stats);
double VP8SSIMGetSquaredError(const DistoStats* const stats);
// autofilter
void VP8InitFilter(VP8EncIterator* const it);
void VP8StoreFilterStats(VP8EncIterator* const it);
void VP8AdjustFilterStrength(VP8EncIterator* const it);
//------------------------------------------------------------------------------