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do not process more blocks than we can store internally

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addresses #192
This commit is contained in:
derselbst 2017-08-18 17:53:12 +02:00
parent 1344059be4
commit d313db553f
1 changed files with 10 additions and 1 deletions
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11
fluidsynth/src/synth/fluid_synth.c
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@ -2942,7 +2942,16 @@ fluid_synth_render_blocks(fluid_synth_t* synth, int blockcount)
for (i=0; i < blockcount; i++) { for (i=0; i < blockcount; i++) {
fluid_sample_timer_process(synth); fluid_sample_timer_process(synth);
fluid_synth_add_ticks(synth, FLUID_BUFSIZE); fluid_synth_add_ticks(synth, FLUID_BUFSIZE);
if (fluid_rvoice_eventhandler_dispatch_count(synth->eventhandler)) {
/* If events have been queued waiting for fluid_rvoice_eventhandler_dispatch_all()
* (should only happen with parallel render) OR we are about to process more
* blocks than we can store internally (being at risk having already dispatched many rvoices,
* because we may not be using parallel render), stop processing and go for rendering
*/
if (fluid_rvoice_eventhandler_dispatch_count(synth->eventhandler)
|| i+1 >= FLUID_MIXER_MAX_BUFFERS_DEFAULT-1 /* there actually is one 1 too many here,
but this seems to be the only way it works */
) {
// Something has happened, we can't process more // Something has happened, we can't process more
blockcount = i+1; blockcount = i+1;
break; break;