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avfilter/af_dynaudnorm: fix possible null pointer dereference

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2016-01-14 14:27:01 +01:00
parent 62dfe1d40d
commit 70df51112c
1 changed files with 8 additions and 4 deletions
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12
libavfilter/af_dynaudnorm.c
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@ -173,7 +173,8 @@ static cqueue *cqueue_create(int size)
static void cqueue_free(cqueue *q)
{
av_free(q->elements);
if (q)
av_free(q->elements);
av_free(q);
}
@ -684,9 +685,12 @@ static av_cold void uninit(AVFilterContext *ctx)
av_freep(&s->fade_factors[1]);
for (c = 0; c < s->channels; c++) {
cqueue_free(s->gain_history_original[c]);
cqueue_free(s->gain_history_minimum[c]);
cqueue_free(s->gain_history_smoothed[c]);
if (s->gain_history_original)
cqueue_free(s->gain_history_original[c]);
if (s->gain_history_minimum)
cqueue_free(s->gain_history_minimum[c]);
if (s->gain_history_smoothed)
cqueue_free(s->gain_history_smoothed[c]);
}
av_freep(&s->gain_history_original);