generic-library/openjpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Patch by Dzonatas and Callum Lerwick. Fp/vectorization patch which basically converts most of the irreversible decode codepath to floating point, eliminating a few rounds of int/fp conversion, resulting in a vast performance improvement, and an increase in accuracy.

Browse Source
This commit is contained in:
Francois-Olivier Devaux
2007-11-13 17:35:12 +00:00
parent 014694b04f
commit dbeebe72b9
9 changed files with 624 additions and 382 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libopenjpeg/mct.h
View File

@@ -83,7 +83,7 @@ Apply an irreversible multi-component inverse transform to an image
@param c2 Samples for blue chrominance component
@param n Number of samples for each component
*/
void mct_decode_real(int *c0, int *c1, int *c2, int n);
void mct_decode_real(float* c0, float* c1, float* c2, int n);
/**
Get norm of the basis function used for the irreversible multi-component transform
@param compno Number of the component (0->Y, 1->U, 2->V)