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avfilter/avf_showspectrum: avoid overwritting text 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2018-06-03 12:26:43 +02:00
parent d0bf1aa3c5
commit 9add1786ad
1 changed files with 1 additions and 1 deletions
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2
libavfilter/avf_showspectrum.c
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@ -1190,7 +1190,7 @@ static int showspectrumpic_request_frame(AVFilterLink *outlink)
for (x = 0; x < w; x+=80) {
dst[x] = 200;
}
for (x = 0; x < w; x += 80) {
for (x = 0; x < w - 79; x += 80) {
float hertz = x * (inlink->sample_rate / 2) / (float)(1 << (int)ceil(log2(w)));
char *units;