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Code Issues Releases Activity

lavfi/paletteuse: check get_color return value

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Fixes CID #1420396
This commit is contained in:
Timo Rothenpieler
2017-11-08 19:17:45 +01:00
parent 8bcf5840ea
commit 237ccd8a16
1 changed files with 4 additions and 1 deletions
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5
libavfilter/vf_paletteuse.c
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@@ -380,8 +380,11 @@ static av_always_inline int get_dst_color_err(PaletteUseContext *s,
const uint8_t r = c >> 16 & 0xff;
const uint8_t g = c >> 8 & 0xff;
const uint8_t b = c & 0xff;
uint32_t dstc;
const int dstx = color_get(s, c, a, r, g, b, search_method);
const uint32_t dstc = s->palette[dstx];
if (dstx < 0)
return dstx;
dstc = s->palette[dstx];
*er = r - (dstc >> 16 & 0xff);
*eg = g - (dstc >> 8 & 0xff);
*eb = b - (dstc & 0xff);