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Simplify colour conversion in Fraps as suggested by Michael

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Originally committed as revision 14690 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2008-08-11 05:11:05 +00:00
parent 2967101173
commit 76c655fb8f
1 changed files with 2 additions and 10 deletions
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12
libavcodec/fraps.c
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@ -142,7 +142,6 @@ static int decode_frame(AVCodecContext *avctx,
uint32_t *luma1,*luma2,*cb,*cr;
uint32_t offs[4];
int i, j, is_chroma, planes;
int R, G, B, Y, U, V;
header = AV_RL32(buf);
@ -332,15 +331,8 @@ static int decode_frame(AVCodecContext *avctx,
// convert pseudo-YUV into real RGB
for(j = 0; j < avctx->height; j++){
for(i = 0; i < avctx->width; i++){
U = f->data[0][0 + i*3 + j*f->linesize[0]];
Y = f->data[0][1 + i*3 + j*f->linesize[0]];
V = f->data[0][2 + i*3 + j*f->linesize[0]];
R = Y + (int8_t)U;
G = Y;
B = Y + (int8_t)V;
f->data[0][0 + i*3 + j*f->linesize[0]] = R;
f->data[0][1 + i*3 + j*f->linesize[0]] = G;
f->data[0][2 + i*3 + j*f->linesize[0]] = B;
f->data[0][0 + i*3 + j*f->linesize[0]] += f->data[0][1 + i*3 + j*f->linesize[0]];
f->data[0][2 + i*3 + j*f->linesize[0]] += f->data[0][1 + i*3 + j*f->linesize[0]];
}
}
break;