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Fix crop filter start_frame() for paletted formats different from

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PAL8. Shift data[1] only if the input format is not paletted.

Originally committed as revision 20488 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2009-11-09 21:00:38 +00:00
parent dd18b301f4
commit 5c3c0e3f2e
1 changed files with 5 additions and 1 deletions
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6
libavfilter/vf_crop.c
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@ -176,7 +176,11 @@ static void start_frame(AVFilterLink *link, AVFilterPicRef *picref)
ref2->data[0] += crop->y * ref2->linesize[0];
ref2->data[0] += (crop->x * crop->bpp) >> 3;
if (link->format != PIX_FMT_PAL8) {
if (link->format != PIX_FMT_PAL8 &&
link->format != PIX_FMT_BGR4_BYTE &&
link->format != PIX_FMT_RGB4_BYTE &&
link->format != PIX_FMT_BGR8 &&
link->format != PIX_FMT_RGB8) {
for (i = 1; i < 3; i ++) {
if (ref2->data[i]) {
ref2->data[i] += (crop->y >> crop->vsub) * ref2->linesize[i];