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SPU: Add time stretched audio output

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This commit is contained in:
Connor McLaughlin
2022-07-28 00:42:41 +10:00
parent f54e32ff01
commit 68b5dd869c
27 changed files with 1165 additions and 808 deletions
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24
src/core/spu.cpp
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@ -30,8 +30,7 @@ void SPU::Initialize()
"SPU Transfer", TRANSFER_TICKS_PER_HALFWORD, TRANSFER_TICKS_PER_HALFWORD,
[](void* param, TickCount ticks, TickCount ticks_late) { static_cast<SPU*>(param)->ExecuteTransfer(ticks); }, this,
false);
m_null_audio_stream = AudioStream::CreateNullAudioStream();
m_null_audio_stream->Reconfigure(SAMPLE_RATE, SAMPLE_RATE, NUM_CHANNELS, Settings::DEFAULT_AUDIO_BUFFER_SIZE);
m_null_audio_stream = AudioStream::CreateNullStream(SAMPLE_RATE, NUM_CHANNELS, g_settings.audio_buffer_ms);
CreateOutputStream();
Reset();
@ -39,22 +38,23 @@ void SPU::Initialize()
void SPU::CreateOutputStream()
{
Log_InfoPrintf("Creating '%s' audio stream, sample rate = %u, channels = %u, buffer size = %u",
Settings::GetAudioBackendName(g_settings.audio_backend), SAMPLE_RATE, NUM_CHANNELS,
g_settings.audio_buffer_size);
Log_InfoPrintf(
"Creating '%s' audio stream, sample rate = %u, channels = %u, buffer = %u, latency = %u, stretching = %s",
Settings::GetAudioBackendName(g_settings.audio_backend), SAMPLE_RATE, NUM_CHANNELS, g_settings.audio_buffer_ms,
g_settings.audio_output_latency_ms, AudioStream::GetStretchModeName(g_settings.audio_stretch_mode));
m_audio_stream = Host::CreateAudioStream(g_settings.audio_backend);
if (!m_audio_stream ||
!m_audio_stream->Reconfigure(SAMPLE_RATE, SAMPLE_RATE, NUM_CHANNELS, g_settings.audio_buffer_size))
m_audio_stream =
Host::CreateAudioStream(g_settings.audio_backend, SAMPLE_RATE, NUM_CHANNELS, g_settings.audio_buffer_ms,
g_settings.audio_output_latency_ms, g_settings.audio_stretch_mode);
if (!m_audio_stream)
{
Host::ReportErrorAsync("Error", "Failed to create or configure audio stream, falling back to null output.");
m_audio_stream.reset();
m_audio_stream = AudioStream::CreateNullAudioStream();
m_audio_stream->Reconfigure(SAMPLE_RATE, SAMPLE_RATE, NUM_CHANNELS, g_settings.audio_buffer_size);
m_audio_stream = AudioStream::CreateNullStream(SAMPLE_RATE, NUM_CHANNELS, g_settings.audio_buffer_ms);
}
m_audio_stream->SetOutputVolume(System::GetAudioOutputVolume());
m_audio_stream->SetPaused(System::IsPaused());
}
void SPU::RecreateOutputStream()
@ -77,7 +77,7 @@ void SPU::Shutdown()
m_tick_event.reset();
m_transfer_event.reset();
m_dump_writer.reset();
m_audio_stream = nullptr;
m_audio_stream.reset();
}
void SPU::Reset()