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One more bounds check, though IMO the gif lib really should do this.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@21902 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2007-01-13 11:40:05 +00:00
parent 0636ab5f58
commit d359f1537c
1 changed files with 4 additions and 4 deletions
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8
libmpdemux/demux_gif.c
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@ -121,10 +121,10 @@ static int demux_gif_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds)
{ {
int y; int y;
int cnt = FFMIN(effective_map->ColorCount, 256); int cnt = FFMIN(effective_map->ColorCount, 256);
int l = FFMIN(gif->Image.Left, priv->w); int l = FFMAX(FFMIN(gif->Image.Left, priv->w), 0);
int t = FFMIN(gif->Image.Top, priv->h); int t = FFMAX(FFMIN(gif->Image.Top, priv->h), 0);
int w = FFMIN(gif->Image.Width, priv->w - l); int w = FFMAX(FFMIN(gif->Image.Width, priv->w - l), 0);
int h = FFMIN(gif->Image.Height, priv->h - t); int h = FFMAX(FFMIN(gif->Image.Height, priv->h - t), 0);
// copy the palette // copy the palette
for (y = 0; y < cnt; y++) { for (y = 0; y < cnt; y++) {