Prepare for region polarity inversion (using negative gain)
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@ -447,7 +447,13 @@ AudioRegion::read_peaks (PeakData *buf, samplecnt_t npeaks, samplecnt_t offset,
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return 0;
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}
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if (_scale_amplitude != 1.0f) {
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if (_scale_amplitude < 0.f) {
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for (samplecnt_t n = 0; n < npeaks; ++n) {
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const float tmp = buf[n].max;
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buf[n].max = _scale_amplitude * buf[n].min;
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buf[n].min = _scale_amplitude * tmp;
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}
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} else if (_scale_amplitude != 1.0f) {
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for (samplecnt_t n = 0; n < npeaks; ++n) {
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buf[n].max *= _scale_amplitude;
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buf[n].min *= _scale_amplitude;
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@ -483,7 +483,7 @@ WaveView::draw_image (Cairo::RefPtr<Cairo::ImageSurface>& image, PeakData* peaks
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has been scaled by scale_amplitude() already.
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*/
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const double clip_level = _global_clip_level * req->image->props.amplitude;
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const double clip_level = _global_clip_level * fabs (req->image->props.amplitude);
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const Shape shape = req->image->props.shape;
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const bool logscaled = req->image->props.logscaled;
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