ardour/livetrax
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fix crash when removing synth from midi-track

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(and there are bypassed audio-plugins after said synth)
This commit is contained in:
Robin Gareus 2014-01-26 00:46:39 +01:00
parent 40d8c5ae01
commit 9a190b8d2b
1 changed files with 12 additions and 20 deletions
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32
libs/ardour/plugin_insert.cc
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@ -464,39 +464,31 @@ PluginInsert::run (BufferSet& bufs, framepos_t /*start_frame*/, framepos_t /*end
}
} else {
if (has_no_audio_inputs()) {
uint32_t in = input_streams ().n_audio ();
uint32_t out = output_streams().n_audio ();
if (has_no_audio_inputs() || in == 0) {
/* silence all (audio) outputs. Should really declick
* at the transitions of "active"
*/
uint32_t out = output_streams().n_audio ();
for (uint32_t n = 0; n < out; ++n) {
bufs.get_audio (n).silence (nframes);
}
bufs.count().set_audio (out);
} else if (out > in) {
} else {
/* not active, but something has make up for any channel count increase */
/* does this need to be done with MIDI? it appears not */
uint32_t in = input_streams ().n_audio ();
uint32_t out = output_streams().n_audio ();
if (out > in) {
/* not active, but something has make up for any channel count increase */
// TODO: option round-robin (n % in) or silence additional buffers ??
for (uint32_t n = in; n < out; ++n) {
bufs.get_audio(n).read_from(bufs.get_audio(in - 1), nframes);
}
// TODO: option round-robin (n % in) or silence additional buffers ??
// for now , simply replicate last buffer
for (uint32_t n = in; n < out; ++n) {
bufs.get_audio(n).read_from(bufs.get_audio(in - 1), nframes);
}
bufs.count().set_audio (out);
}
bufs.count().set_audio (out);
}
_active = _pending_active;