Hello, you can see this bug with the follow steps:
- make a region, no too short otherwise `peak_env_usable' returns
"false" and the waveform is correct
- edit the created region
- from Regions view, move the slider to right. During the sliding,
when `peak_env_usable' returns "true" in snd-chn.c:1797, it starts
to display the old waveform.
The attached patch is a possible solution.
diff -ur snd-15~/snd-region.c snd-15/snd-region.c
--- snd-15~/snd-region.c 2015-03-27 19:33:23.042250004 +0100
+++ snd-15/snd-region.c 2015-03-27 19:33:29.200172589 +0100
@@ -1246,9 +1246,13 @@
for (i = 0; i < sp->nchans; i++)
{
+ chan_info *cp;
mus_float_t val;
val = channel_maxamp(sp->chans[i], AT_CURRENT_EDIT_POSITION);
if (val > r->maxamp) r->maxamp = val;
+
+ if ((cp = sp->chans[i]))
+ r->peak_envs[i] = copy_peak_env_info(cp->edits[0]->peak_env, false);
}
/* make new region temp file */
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