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renderer: generate audio waveforms in render threads

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Solves UI lag issues with long audio sequences.
This commit is contained in:
itsmattkc
2021-06-11 23:30:55 -07:00
parent 48828d6632
commit 08e2fa4d8e
9 changed files with 62 additions and 70 deletions
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app/render/renderprocessor.cpp
+10 -1
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@@ -173,7 +173,16 @@ void RenderProcessor::Run()
table = GenerateTable(texture_output.node(), texture_output.output(), time);
}
ticket_->Finish(table.Get(NodeValue::kSamples));
QVariant sample_variant = table.Get(NodeValue::kSamples);
SampleBufferPtr samples = sample_variant.value<SampleBufferPtr>();
if (samples && ticket_->property("enablewaveforms").toBool()) {
AudioVisualWaveform vis;
vis.set_channel_count(samples->audio_params().channel_count());
vis.OverwriteSamples(samples, samples->audio_params().sample_rate());
ticket_->setProperty("waveform", QVariant::fromValue(vis));
}
ticket_->Finish(sample_variant);
break;
}
case RenderManager::kTypeVideoDownload: