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avfilter/af_afade: fix heap-buffer overflow 

Fixes #8276

(cherry picked from commit e1b89c76f6)
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Paul B Mahol 2019-10-15 16:55:13 +02:00 committed by James Almer
parent 29f1cf0c0f
commit df5e017709
1 changed files with 2 additions and 1 deletions
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3
libavfilter/af_afade.c
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@ -484,7 +484,8 @@ static int activate(AVFilterContext *ctx)
s->pts += av_rescale_q(in->nb_samples,
(AVRational){ 1, outlink->sample_rate }, outlink->time_base);
return ff_filter_frame(outlink, in);
} else if (ff_framequeue_queued_samples(&ctx->inputs[1]->fifo) >= s->nb_samples) {
} else if (ff_framequeue_queued_samples(&ctx->inputs[0]->fifo) >= s->nb_samples &&
ff_framequeue_queued_samples(&ctx->inputs[1]->fifo) >= s->nb_samples) {
if (s->overlap) {
out = ff_get_audio_buffer(outlink, s->nb_samples);
if (!out)