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SPU: Add audio dumping support

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This commit is contained in:
Connor McLaughlin
2020-03-15 22:04:17 +10:00
parent 198a64eb5e
commit 8e20d0d4ff
6 changed files with 113 additions and 4 deletions
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34
src/core/spu.cpp
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@ -2,6 +2,7 @@
#include "common/audio_stream.h"
#include "common/log.h"
#include "common/state_wrapper.h"
#include "common/wav_writer.h"
#include "dma.h"
#include "host_interface.h"
#include "interrupt_controller.h"
@ -631,10 +632,11 @@ void SPU::Execute(TickCount ticks)
while (remaining_frames > 0)
{
AudioStream* const output_stream = m_system->GetHostInterface()->GetAudioStream();
s16* output_frame;
s16* output_frame_start;
u32 output_frame_space;
output_stream->BeginWrite(&output_frame, &output_frame_space);
output_stream->BeginWrite(&output_frame_start, &output_frame_space);
s16* output_frame = output_frame_start;
const u32 frames_in_this_batch = std::min(remaining_frames, output_frame_space);
for (u32 i = 0; i < frames_in_this_batch; i++)
{
@ -687,6 +689,9 @@ void SPU::Execute(TickCount ticks)
IncrementCaptureBufferPosition();
}
if (m_dump_writer)
m_dump_writer->WriteFrames(output_frame_start, frames_in_this_batch);
output_stream->EndWrite(frames_in_this_batch);
remaining_frames -= frames_in_this_batch;
}
@ -725,6 +730,31 @@ void SPU::GeneratePendingSamples()
m_tick_event->InvokeEarly();
}
bool SPU::StartDumpingAudio(const char* filename)
{
if (m_dump_writer)
m_dump_writer.reset();
m_dump_writer = std::make_unique<Common::WAVWriter>();
if (!m_dump_writer->Open(filename, SAMPLE_RATE, 2))
{
Log_ErrorPrintf("Failed to open '%s'", filename);
m_dump_writer.reset();
return false;
}
return true;
}
bool SPU::StopDumpingAudio()
{
if (!m_dump_writer)
return false;
m_dump_writer.reset();
return true;
}
void SPU::Voice::KeyOn()
{
current_address = regs.adpcm_start_address;