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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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98
src/frontend-common/xaudio2_audio_stream.cpp
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@ -1,6 +1,7 @@
#include "xaudio2_audio_stream.h"
#include "common/assert.h"
#include "common/log.h"
#include "common_host.h"
#include <VersionHelpers.h>
#include <xaudio2.h>
Log_SetChannel(XAudio2AudioStream);
@ -9,12 +10,15 @@ Log_SetChannel(XAudio2AudioStream);
#pragma comment(lib, "xaudio2.lib")
#endif
XAudio2AudioStream::XAudio2AudioStream() = default;
XAudio2AudioStream::XAudio2AudioStream(u32 sample_rate, u32 channels, u32 buffer_ms, AudioStretchMode stretch)
: AudioStream(sample_rate, channels, buffer_ms, stretch)
{
}
XAudio2AudioStream::~XAudio2AudioStream()
{
if (IsOpen())
XAudio2AudioStream::CloseDevice();
CloseDevice();
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
if (m_xaudio2_library)
@ -25,8 +29,20 @@ XAudio2AudioStream::~XAudio2AudioStream()
#endif
}
bool XAudio2AudioStream::Initialize()
std::unique_ptr<AudioStream> CommonHost::CreateXAudio2Stream(u32 sample_rate, u32 channels, u32 buffer_ms,
u32 latency_ms, AudioStretchMode stretch)
{
std::unique_ptr<XAudio2AudioStream> stream(
std::make_unique<XAudio2AudioStream>(sample_rate, channels, buffer_ms, stretch));
if (!stream->OpenDevice(latency_ms))
stream.reset();
return stream;
}
bool XAudio2AudioStream::OpenDevice(u32 latency_ms)
{
DebugAssert(!IsOpen());
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
m_xaudio2_library = LoadLibraryW(XAUDIO2_DLL_W);
if (!m_xaudio2_library)
@ -36,13 +52,6 @@ bool XAudio2AudioStream::Initialize()
}
#endif
return true;
}
bool XAudio2AudioStream::OpenDevice()
{
DebugAssert(!IsOpen());
HRESULT hr;
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
using PFNXAUDIO2CREATE =
@ -70,7 +79,7 @@ bool XAudio2AudioStream::OpenDevice()
return false;
}
hr = m_xaudio->CreateMasteringVoice(&m_mastering_voice, m_channels, m_output_sample_rate, 0, nullptr);
hr = m_xaudio->CreateMasteringVoice(&m_mastering_voice, m_channels, m_sample_rate, 0, nullptr);
if (FAILED(hr))
{
Log_ErrorPrintf("CreateMasteringVoice() failed: %08X", hr);
@ -79,10 +88,10 @@ bool XAudio2AudioStream::OpenDevice()
WAVEFORMATEX wf = {};
wf.cbSize = sizeof(wf);
wf.nAvgBytesPerSec = m_output_sample_rate * m_channels * sizeof(s16);
wf.nAvgBytesPerSec = m_sample_rate * m_channels * sizeof(s16);
wf.nBlockAlign = static_cast<WORD>(sizeof(s16) * m_channels);
wf.nChannels = static_cast<WORD>(m_channels);
wf.nSamplesPerSec = m_output_sample_rate;
wf.nSamplesPerSec = m_sample_rate;
wf.wBitsPerSample = sizeof(s16) * 8;
wf.wFormatTag = WAVE_FORMAT_PCM;
hr = m_xaudio->CreateSourceVoice(&m_source_voice, &wf, 0, 1.0f, this);
@ -99,13 +108,27 @@ bool XAudio2AudioStream::OpenDevice()
return false;
}
m_enqueue_buffer_size = std::max<u32>(INTERNAL_BUFFER_SIZE, GetBufferSizeForMS(m_sample_rate, latency_ms));
Log_DevPrintf("Allocating %u buffers of %u frames", NUM_BUFFERS, m_enqueue_buffer_size);
for (u32 i = 0; i < NUM_BUFFERS; i++)
m_buffers[i] = std::make_unique<SampleType[]>(m_buffer_size * m_channels);
m_enqueue_buffers[i] = std::make_unique<SampleType[]>(m_enqueue_buffer_size * m_channels);
BaseInitialize();
m_volume = 100;
m_paused = false;
hr = m_source_voice->Start(0, 0);
if (FAILED(hr))
{
Log_ErrorPrintf("Start() failed: %08X", hr);
return false;
}
EnqueueBuffer();
return true;
}
void XAudio2AudioStream::PauseDevice(bool paused)
void XAudio2AudioStream::SetPaused(bool paused)
{
if (m_paused == paused)
return;
@ -124,6 +147,9 @@ void XAudio2AudioStream::PauseDevice(bool paused)
}
m_paused = paused;
if (!m_buffer_enqueued)
EnqueueBuffer();
}
void XAudio2AudioStream::CloseDevice()
@ -139,29 +165,20 @@ void XAudio2AudioStream::CloseDevice()
m_source_voice = nullptr;
m_mastering_voice = nullptr;
m_xaudio.Reset();
m_buffers = {};
m_enqueue_buffers = {};
m_current_buffer = 0;
m_paused = true;
}
void XAudio2AudioStream::FramesAvailable()
{
if (!m_buffer_enqueued)
{
m_buffer_enqueued = true;
EnqueueBuffer();
}
}
void XAudio2AudioStream::EnqueueBuffer()
{
SampleType* samples = m_buffers[m_current_buffer].get();
ReadFrames(samples, m_buffer_size, false);
SampleType* samples = m_enqueue_buffers[m_current_buffer].get();
ReadFrames(samples, m_enqueue_buffer_size);
const XAUDIO2_BUFFER buf = {
static_cast<UINT32>(0), // flags
static_cast<UINT32>(sizeof(s16) * m_channels * m_buffer_size), // bytes
reinterpret_cast<const BYTE*>(samples) // data
static_cast<UINT32>(0), // flags
static_cast<UINT32>(sizeof(s16) * m_channels * m_enqueue_buffer_size), // bytes
reinterpret_cast<const BYTE*>(samples) // data
};
HRESULT hr = m_source_voice->SubmitSourceBuffer(&buf, nullptr);
@ -173,10 +190,14 @@ void XAudio2AudioStream::EnqueueBuffer()
void XAudio2AudioStream::SetOutputVolume(u32 volume)
{
AudioStream::SetOutputVolume(volume);
HRESULT hr = m_mastering_voice->SetVolume(static_cast<float>(m_output_volume) / 100.0f);
HRESULT hr = m_mastering_voice->SetVolume(static_cast<float>(m_volume) / 100.0f);
if (FAILED(hr))
{
Log_ErrorPrintf("SetVolume() failed: %08X", hr);
return;
}
m_volume = volume;
}
void __stdcall XAudio2AudioStream::OnVoiceProcessingPassStart(UINT32 BytesRequired) {}
@ -195,16 +216,3 @@ void __stdcall XAudio2AudioStream::OnBufferEnd(void* pBufferContext)
void __stdcall XAudio2AudioStream::OnLoopEnd(void* pBufferContext) {}
void __stdcall XAudio2AudioStream::OnVoiceError(void* pBufferContext, HRESULT Error) {}
namespace FrontendCommon {
std::unique_ptr<AudioStream> CreateXAudio2AudioStream()
{
std::unique_ptr<XAudio2AudioStream> stream = std::make_unique<XAudio2AudioStream>();
if (!stream->Initialize())
return {};
return stream;
}
} // namespace FrontendCommon