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More defensively check for >0 inputs and outputs

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Noticed this through a bug in clapval.
This commit is contained in:
Robbert van der Helm 2022-06-28 22:24:57 +02:00
parent 4247c229ec
commit f309f39982
1 changed files with 6 additions and 3 deletions
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9
src/wrapper/clap/wrapper.rs
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@ -1639,7 +1639,7 @@ impl<P: ClapPlugin> Wrapper<P> {
let current_bus_config = wrapper.current_bus_config.load();
let has_main_input = current_bus_config.num_input_channels > 0;
let has_main_output = current_bus_config.num_output_channels > 0;
if !process.audio_outputs.is_null() {
if process.audio_outputs_count > 0 && !process.audio_outputs.is_null() {
for output_idx in
if has_main_output { 1 } else { 0 }..process.audio_outputs_count as isize
{
@ -1724,7 +1724,8 @@ impl<P: ClapPlugin> Wrapper<P> {
// Explicitly take plugins with no main output that does have auxiliary outputs
// into account. Shouldn't happen, but if we just start copying audio here then
// that would result in unsoundness.
if !process.audio_outputs.is_null()
if process.audio_outputs_count > 0
&& !process.audio_outputs.is_null()
&& !(*process.audio_outputs).data32.is_null()
&& !output_slices.is_empty()
{
@ -1759,8 +1760,10 @@ impl<P: ClapPlugin> Wrapper<P> {
// Some hosts process data in place, in which case we don't need to do any copying
// ourselves. If the pointers do not alias, then we'll do the copy here and then the
// plugin can just do normal in place processing.
if !process.audio_outputs.is_null()
if process.audio_outputs_count > 0
&& !process.audio_outputs.is_null()
&& !(*process.audio_outputs).data32.is_null()
&& process.audio_inputs_count > 0
&& !process.audio_inputs.is_null()
&& !(*process.audio_inputs).data32.is_null()
{