virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-15 14:13:16 +02:00
Code Issues Releases Activity

utvideoenc: optimize and simplify mangle_rgb_planes

Browse Source 
Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-08-22 02:47:32 +02:00
parent 3699960690
commit 4fced11df7
1 changed files with 4 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
libavcodec/utvideoenc.c
View File

@@ -196,16 +196,13 @@ static void mangle_rgb_planes(uint8_t *src, int step, int stride, int width,
int height) int height)
{ {
int i, j; int i, j;
uint8_t r, g, b; unsigned g;
for (j = 0; j < height; j++) { for (j = 0; j < height; j++) {
for (i = 0; i < width * step; i += step) { for (i = 0; i < width * step; i += step) {
r = src[i]; g = src[i + 1] + 0x80;
g = src[i + 1]; src[i] -= g;
b = src[i + 2]; src[i + 2] -= g;
src[i] = r - g + 0x80;
src[i + 2] = b - g + 0x80;
} }
src += stride; src += stride;
} }