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avfilter/avf_showwaves: make use of av_rescale_q

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This commit is contained in:
Paul B Mahol 2019-05-28 11:07:47 +02:00
parent cd75396897
commit 62c8707e2a
1 changed files with 1 additions and 1 deletions
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libavfilter/avf_showwaves.c
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@ -416,7 +416,7 @@ static int config_output(AVFilterLink *outlink)
showwaves->n = 1;
if (!showwaves->n)
showwaves->n = FFMAX(1, ((double)inlink->sample_rate / (showwaves->w * av_q2d(showwaves->rate))) + 0.5);
showwaves->n = FFMAX(1, av_rescale_q(inlink->sample_rate, av_make_q(1, showwaves->w), showwaves->rate));
showwaves->buf_idx = 0;
if (!(showwaves->buf_idy = av_mallocz_array(nb_channels, sizeof(*showwaves->buf_idy)))) {