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avfilter/af_aphaser: reject too small delay 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-05-12 12:02:49 +00:00
parent 93cc5ca7ed
commit 94e293a83c
1 changed files with 4 additions and 0 deletions
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4
libavfilter/af_aphaser.c
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@ -206,6 +206,10 @@ static int config_output(AVFilterLink *outlink)
AVFilterLink *inlink = outlink->src->inputs[0];
p->delay_buffer_length = p->delay * 0.001 * inlink->sample_rate + 0.5;
if (p->delay_buffer_length <= 0) {
av_log(outlink->src, AV_LOG_ERROR, "delay is too small\n");
return AVERROR(EINVAL);
}
p->delay_buffer = av_calloc(p->delay_buffer_length, sizeof(*p->delay_buffer) * inlink->channels);
p->modulation_buffer_length = inlink->sample_rate / p->speed + 0.5;
p->modulation_buffer = av_malloc_array(p->modulation_buffer_length, sizeof(*p->modulation_buffer));