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avfilter/avfiltergraph: assert that the heap_bubble index is valid

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-02-18 11:55:44 +01:00
parent 424ed1a83e
commit a76e91bf67
1 changed files with 4 additions and 0 deletions
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4
libavfilter/avfiltergraph.c
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@ -1280,6 +1280,8 @@ static void heap_bubble_up(AVFilterGraph *graph,
{
AVFilterLink **links = graph->sink_links;
av_assert0(index >= 0);
while (index) {
int parent = (index - 1) >> 1;
if (links[parent]->current_pts >= link->current_pts)
@ -1297,6 +1299,8 @@ static void heap_bubble_down(AVFilterGraph *graph,
{
AVFilterLink **links = graph->sink_links;
av_assert0(index >= 0);
while (1) {
int child = 2 * index + 1;
if (child >= graph->sink_links_count)