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lavfi/showwaves: fix floating exception with >8 channels

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-07-13 21:46:27 +00:00
parent aac57c765f
commit 6347824d53
1 changed files with 1 additions and 1 deletions
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2
libavfilter/avf_showwaves.c
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@ -169,7 +169,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
AVFrame *outpicref = showwaves->outpicref;
int linesize = outpicref ? outpicref->linesize[0] : 0;
int16_t *p = (int16_t *)insamples->data[0];
int nb_channels = av_get_channel_layout_nb_channels(insamples->channel_layout);
int nb_channels = inlink->channels;
int i, j, k, h, ret = 0;
const int n = showwaves->n;
const int x = 255 / (nb_channels * n); /* multiplication factor, pre-computed to avoid in-loop divisions */