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Code Issues Releases Activity

vf_showinfo: check return code of av_image_get_linesize()

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Fixes CID703716
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-28 00:40:28 +02:00
parent 0f943ed3c8
commit 2aecfd4f20
1 changed files with 4 additions and 1 deletions
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5
libavfilter/vf_showinfo.c
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@ -52,10 +52,13 @@ static int end_frame(AVFilterLink *inlink)
int i, plane, vsub = desc->log2_chroma_h;
for (plane = 0; picref->data[plane] && plane < 4; plane++) {
size_t linesize = av_image_get_linesize(picref->format, picref->video->w, plane);
int64_t linesize = av_image_get_linesize(picref->format, picref->video->w, plane);
uint8_t *data = picref->data[plane];
int h = plane == 1 || plane == 2 ? inlink->h >> vsub : inlink->h;
if (linesize < 0)
return linesize;
for (i = 0; i < h; i++) {
plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize);
checksum = av_adler32_update(checksum, data, linesize);