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authorMichael Niedermayer <michael@niedermayer.cc>2017-01-21 01:35:52 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2017-01-21 01:35:52 +0100
commit5f2b360fc05bbb4f21e1247d1d9af303113d6c25 (patch)
tree33aa41e080050c7ac2bafb25cd6c06da4a66d1d2 /libavfilter/avfiltergraph.c
parentcf3affabb449671ce16cee61d98393c43ff171f4 (diff)
downloadffmpeg-5f2b360fc05bbb4f21e1247d1d9af303113d6c25.tar.gz
avfilter/avfiltergraph: Add assert to write down in machine readable form what is assumed about sample rates in swap_samplerates_on_filter()
Fixes CID1397292 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavfilter/avfiltergraph.c')
-rw-r--r--libavfilter/avfiltergraph.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 97f242ebec..534c6701a8 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -876,6 +876,8 @@ static void swap_samplerates_on_filter(AVFilterContext *filter)
for (j = 0; j < outlink->in_samplerates->nb_formats; j++) {
int diff = abs(sample_rate - outlink->in_samplerates->formats[j]);
+ av_assert0(diff < INT_MAX); // This would lead to the use of uninitialized best_diff but is only possible with invalid sample rates
+
if (diff < best_diff) {
best_diff = diff;
best_idx = j;