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Piano: Show a progress window when exporting WAV

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This exposes that the export is pretty slow, but it's much nicer than
having the GUI lock up for 20s :^)
This commit is contained in:
kleines Filmröllchen 2022-11-13 18:37:46 +01:00 • committed by Tim Flynn
parent 392dac0818
commit e127c4acdc
7 changed files with 132 additions and 3 deletions
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6
Userland/Applications/Piano/AudioPlayerLoop.cpp
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@ -47,7 +47,7 @@ struct AudioLoopDeferredInvoker final : public IPC::DeferredInvoker {
Vector<Function<void()>, INLINE_FUNCTIONS> deferred_functions;
};
AudioPlayerLoop::AudioPlayerLoop(TrackManager& track_manager, Atomic<bool>& need_to_write_wav, Threading::MutexProtected<Audio::WavWriter>& wav_writer)
AudioPlayerLoop::AudioPlayerLoop(TrackManager& track_manager, Atomic<bool>& need_to_write_wav, Atomic<int>& wav_percent_written, Threading::MutexProtected<Audio::WavWriter>& wav_writer)
: m_track_manager(track_manager)
, m_buffer(FixedArray<DSP::Sample>::must_create_but_fixme_should_propagate_errors(sample_count))
, m_pipeline_thread(Threading::Thread::construct([this]() {
@ -55,6 +55,7 @@ AudioPlayerLoop::AudioPlayerLoop(TrackManager& track_manager, Atomic<bool>& need
},
"Audio pipeline"sv))
, m_need_to_write_wav(need_to_write_wav)
, m_wav_percent_written(wav_percent_written)
, m_wav_writer(wav_writer)
{
m_audio_client = Audio::ConnectionToServer::try_create().release_value_but_fixme_should_propagate_errors();
@ -139,10 +140,13 @@ void AudioPlayerLoop::write_wav_if_needed()
m_track_manager.reset();
m_track_manager.set_should_loop(false);
do {
// FIXME: This progress detection is crude, but it works for now.
m_wav_percent_written.store(static_cast<int>(static_cast<float>(m_track_manager.transport()->time()) / roll_length * 100.0f));
m_track_manager.fill_buffer(m_buffer);
wav_writer.write_samples(m_buffer.span());
} while (m_track_manager.transport()->time());
// FIXME: Make sure that the new TrackManager APIs aren't as bad.
m_wav_percent_written.store(100);
m_track_manager.reset();
m_track_manager.set_should_loop(true);
wav_writer.finalize();