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Fixed a crash in spectrum analyzer.

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Originally committed to SVN as r1767.
This commit is contained in:
Rodrigo Braz Monteiro 2008-01-18 18:35:55 +00:00
parent f1a8d80f0d
commit e84071395a
1 changed files with 2 additions and 2 deletions
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aegisub/audio_spectrum.cpp
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@ -576,8 +576,8 @@ void AudioSpectrum::RenderRange(int64_t range_start, int64_t range_end, bool sel
// Iterate over pixels, picking a range of samples for each // Iterate over pixels, picking a range of samples for each
for (int y = 0; y < imgheight; ++y) { for (int y = 0; y < imgheight; ++y) {
int sample1 = maxband * y/imgheight + minband; int sample1 = MAX(0,maxband * y/imgheight + minband);
int sample2 = maxband * (y+1)/imgheight + minband; int sample2 = MIN(signed(line_length),maxband * (y+1)/imgheight + minband);
float maxval = 0; float maxval = 0;
for (int samp = sample1; samp <= sample2; samp++) { for (int samp = sample1; samp <= sample2; samp++) {
if (power[samp] > maxval) maxval = power[samp]; if (power[samp] > maxval) maxval = power[samp];