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av_image_copy: check for av_image_get_linesize() failure. 

Fixes CID703722
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-31 18:57:21 +01:00
parent 6992b0bfc2
commit adc39b28a5
1 changed files with 4 additions and 0 deletions
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4
libavutil/imgutils.c
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@ -276,6 +276,10 @@ void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
for (i = 0; i < planes_nb; i++) {
int h = height;
int bwidth = av_image_get_linesize(pix_fmt, width, i);
if (bwidth < 0) {
av_log(0, AV_LOG_ERROR, "av_image_get_linesize failed\n");
return;
}
if (i == 1 || i == 2) {
h= -((-height)>>desc->log2_chroma_h);
}