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R and B components are stored as a differences to G component in Fraps v5.

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This fixes roundup issue 574.

Originally committed as revision 14684 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2008-08-10 18:15:38 +00:00
parent beca9a286c
commit af1761915b
1 changed files with 17 additions and 2 deletions
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19
libavcodec/fraps.c
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@ -141,7 +141,8 @@ static int decode_frame(AVCodecContext *avctx,
const uint32_t *buf32;
uint32_t *luma1,*luma2,*cb,*cr;
uint32_t offs[4];
int i, is_chroma, planes;
int i, j, is_chroma, planes;
int R, G, B, Y, U, V;
header = AV_RL32(buf);
@ -323,11 +324,25 @@ static int decode_frame(AVCodecContext *avctx,
for(i = 0; i < planes; i++){
s->tmpbuf = av_realloc(s->tmpbuf, offs[i + 1] - offs[i] - 1024 + FF_INPUT_BUFFER_PADDING_SIZE);
if(fraps2_decode_plane(s, f->data[0] + i + (f->linesize[0] * (avctx->height - 1)), -f->linesize[0],
avctx->width, avctx->height, buf + offs[i], offs[i + 1] - offs[i], 1, 3) < 0) {
avctx->width, avctx->height, buf + offs[i], offs[i + 1] - offs[i], 0, 3) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error decoding plane %i\n", i);
return -1;
}
}
// 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;
}
}
break;
}