mirror of https://github.com/AxioDL/boo.git
264 lines
9.3 KiB
C++
264 lines
9.3 KiB
C++
#include "../win/Win32Common.hpp"
|
|
#include "AudioVoiceEngine.hpp"
|
|
#include "logvisor/logvisor.hpp"
|
|
|
|
#include <Mmdeviceapi.h>
|
|
#include <Audioclient.h>
|
|
|
|
const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
|
|
const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
|
|
const IID IID_IAudioClient = __uuidof(IAudioClient);
|
|
const IID IID_IAudioRenderClient = __uuidof(IAudioRenderClient);
|
|
|
|
namespace boo
|
|
{
|
|
static logvisor::Module Log("boo::WASAPI");
|
|
|
|
struct WASAPIAudioVoiceEngine : BaseAudioVoiceEngine
|
|
{
|
|
ComPtr<IMMDevice> m_device;
|
|
ComPtr<IAudioClient> m_audClient;
|
|
ComPtr<IAudioRenderClient> m_renderClient;
|
|
|
|
WASAPIAudioVoiceEngine()
|
|
{
|
|
/* Enumerate default audio device */
|
|
ComPtr<IMMDeviceEnumerator> pEnumerator;
|
|
if (FAILED(CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr,
|
|
CLSCTX_ALL, IID_IMMDeviceEnumerator,
|
|
&pEnumerator)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to create MMDeviceEnumerator instance");
|
|
return;
|
|
}
|
|
|
|
if (FAILED(pEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &m_device)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to obtain default audio device");
|
|
m_device.Reset();
|
|
return;
|
|
}
|
|
|
|
if (FAILED(m_device->Activate(IID_IAudioClient, CLSCTX_ALL, nullptr, &m_audClient)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to create audio client from device");
|
|
m_device.Reset();
|
|
return;
|
|
}
|
|
|
|
WAVEFORMATEXTENSIBLE* pwfx;
|
|
if (FAILED(m_audClient->GetMixFormat((WAVEFORMATEX**)&pwfx)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to obtain audio mix format from device");
|
|
m_device.Reset();
|
|
return;
|
|
}
|
|
|
|
/* Get channel information */
|
|
if ((pwfx->dwChannelMask & (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT)) == (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT))
|
|
{
|
|
m_mixInfo.m_channels = AudioChannelSet::Stereo;
|
|
if ((pwfx->dwChannelMask & (SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)) == (SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT))
|
|
{
|
|
m_mixInfo.m_channels = AudioChannelSet::Quad;
|
|
if ((pwfx->dwChannelMask & (SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY)) == (SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY))
|
|
{
|
|
m_mixInfo.m_channels = AudioChannelSet::Surround51;
|
|
if ((pwfx->dwChannelMask & (SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)) == (SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT))
|
|
{
|
|
m_mixInfo.m_channels = AudioChannelSet::Surround71;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
ChannelMap& chMapOut = m_mixInfo.m_channelMap;
|
|
switch (pwfx->Format.nChannels)
|
|
{
|
|
case 2:
|
|
chMapOut.m_channelCount = 2;
|
|
chMapOut.m_channels[0] = AudioChannel::FrontLeft;
|
|
chMapOut.m_channels[1] = AudioChannel::FrontRight;
|
|
break;
|
|
case 4:
|
|
chMapOut.m_channelCount = 4;
|
|
chMapOut.m_channels[0] = AudioChannel::FrontLeft;
|
|
chMapOut.m_channels[1] = AudioChannel::FrontRight;
|
|
chMapOut.m_channels[2] = AudioChannel::RearLeft;
|
|
chMapOut.m_channels[3] = AudioChannel::RearRight;
|
|
break;
|
|
case 5:
|
|
chMapOut.m_channelCount = 5;
|
|
chMapOut.m_channels[0] = AudioChannel::FrontLeft;
|
|
chMapOut.m_channels[1] = AudioChannel::FrontRight;
|
|
chMapOut.m_channels[2] = AudioChannel::FrontCenter;
|
|
chMapOut.m_channels[3] = AudioChannel::RearLeft;
|
|
chMapOut.m_channels[4] = AudioChannel::RearRight;
|
|
break;
|
|
case 6:
|
|
chMapOut.m_channelCount = 6;
|
|
chMapOut.m_channels[0] = AudioChannel::FrontLeft;
|
|
chMapOut.m_channels[1] = AudioChannel::FrontRight;
|
|
chMapOut.m_channels[2] = AudioChannel::FrontCenter;
|
|
chMapOut.m_channels[3] = AudioChannel::LFE;
|
|
chMapOut.m_channels[4] = AudioChannel::RearLeft;
|
|
chMapOut.m_channels[5] = AudioChannel::RearRight;
|
|
break;
|
|
case 8:
|
|
chMapOut.m_channelCount = 8;
|
|
chMapOut.m_channels[0] = AudioChannel::FrontLeft;
|
|
chMapOut.m_channels[1] = AudioChannel::FrontRight;
|
|
chMapOut.m_channels[2] = AudioChannel::FrontCenter;
|
|
chMapOut.m_channels[3] = AudioChannel::LFE;
|
|
chMapOut.m_channels[4] = AudioChannel::RearLeft;
|
|
chMapOut.m_channels[5] = AudioChannel::RearRight;
|
|
chMapOut.m_channels[6] = AudioChannel::SideLeft;
|
|
chMapOut.m_channels[7] = AudioChannel::SideRight;
|
|
break;
|
|
default:
|
|
Log.report(logvisor::Warning, "unknown channel layout %u; using stereo", pwfx->Format.nChannels);
|
|
chMapOut.m_channelCount = 2;
|
|
chMapOut.m_channels[0] = AudioChannel::FrontLeft;
|
|
chMapOut.m_channels[1] = AudioChannel::FrontRight;
|
|
break;
|
|
}
|
|
|
|
/* Initialize audio client */
|
|
if (FAILED(m_audClient->Initialize(
|
|
AUDCLNT_SHAREMODE_SHARED,
|
|
0,
|
|
1000000,
|
|
0,
|
|
(WAVEFORMATEX*)pwfx,
|
|
nullptr)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to initialize audio client");
|
|
m_device.Reset();
|
|
CoTaskMemFree(pwfx);
|
|
return;
|
|
}
|
|
m_mixInfo.m_sampleRate = pwfx->Format.nSamplesPerSec;
|
|
|
|
if (pwfx->Format.wFormatTag == WAVE_FORMAT_PCM ||
|
|
(pwfx->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE && pwfx->SubFormat == KSDATAFORMAT_SUBTYPE_PCM))
|
|
{
|
|
if (pwfx->Format.wBitsPerSample == 16)
|
|
{
|
|
m_mixInfo.m_sampleFormat = SOXR_INT16_I;
|
|
m_mixInfo.m_bitsPerSample = 16;
|
|
}
|
|
else if (pwfx->Format.wBitsPerSample == 32)
|
|
{
|
|
m_mixInfo.m_sampleFormat = SOXR_INT32_I;
|
|
m_mixInfo.m_bitsPerSample = 32;
|
|
}
|
|
else
|
|
{
|
|
Log.report(logvisor::Fatal, L"unsupported bits-per-sample %d", pwfx->Format.wBitsPerSample);
|
|
m_device.Reset();
|
|
return;
|
|
}
|
|
}
|
|
else if (pwfx->Format.wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
|
|
(pwfx->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE && pwfx->SubFormat == KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))
|
|
{
|
|
if (pwfx->Format.wBitsPerSample == 32)
|
|
{
|
|
m_mixInfo.m_sampleFormat = SOXR_FLOAT32_I;
|
|
m_mixInfo.m_bitsPerSample = 32;
|
|
}
|
|
else
|
|
{
|
|
Log.report(logvisor::Fatal, L"unsupported floating-point bits-per-sample %d", pwfx->Format.wBitsPerSample);
|
|
m_device.Reset();
|
|
return;
|
|
}
|
|
}
|
|
|
|
CoTaskMemFree(pwfx);
|
|
|
|
UINT32 bufferFrameCount;
|
|
if (FAILED(m_audClient->GetBufferSize(&bufferFrameCount)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to get audio buffer frame count");
|
|
m_device.Reset();
|
|
return;
|
|
}
|
|
m_mixInfo.m_periodFrames = bufferFrameCount;
|
|
|
|
if (FAILED(m_audClient->GetService(IID_IAudioRenderClient, &m_renderClient)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to create audio render client");
|
|
m_device.Reset();
|
|
return;
|
|
}
|
|
}
|
|
|
|
bool m_started = false;
|
|
|
|
void pumpAndMixVoices()
|
|
{
|
|
UINT32 numFramesPadding;
|
|
if (FAILED(m_audClient->GetCurrentPadding(&numFramesPadding)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to get available buffer frames");
|
|
return;
|
|
}
|
|
|
|
size_t frames = m_mixInfo.m_periodFrames - numFramesPadding;
|
|
if (frames <= 0)
|
|
return;
|
|
|
|
BYTE* bufOut;
|
|
if (FAILED(m_renderClient->GetBuffer(frames, &bufOut)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to map audio buffer");
|
|
return;
|
|
}
|
|
|
|
DWORD flags = 0;
|
|
switch (m_mixInfo.m_sampleFormat)
|
|
{
|
|
case SOXR_INT16_I:
|
|
_pumpAndMixVoices(frames, reinterpret_cast<int16_t*>(bufOut));
|
|
break;
|
|
case SOXR_INT32_I:
|
|
_pumpAndMixVoices(frames, reinterpret_cast<int32_t*>(bufOut));
|
|
break;
|
|
case SOXR_FLOAT32_I:
|
|
_pumpAndMixVoices(frames, reinterpret_cast<float*>(bufOut));
|
|
break;
|
|
default:
|
|
flags = AUDCLNT_BUFFERFLAGS_SILENT;
|
|
break;
|
|
}
|
|
|
|
if (FAILED(m_renderClient->ReleaseBuffer(frames, flags)))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to unmap audio buffer");
|
|
return;
|
|
}
|
|
|
|
if (!m_started)
|
|
{
|
|
if (FAILED(m_audClient->Start()))
|
|
{
|
|
Log.report(logvisor::Fatal, L"unable to start audio client");
|
|
m_device.Reset();
|
|
return;
|
|
}
|
|
m_started = true;
|
|
}
|
|
}
|
|
};
|
|
|
|
std::unique_ptr<IAudioVoiceEngine> NewAudioVoiceEngine()
|
|
{
|
|
std::unique_ptr<IAudioVoiceEngine> ret = std::make_unique<WASAPIAudioVoiceEngine>();
|
|
if (!static_cast<WASAPIAudioVoiceEngine&>(*ret).m_device)
|
|
return {};
|
|
return ret;
|
|
}
|
|
|
|
}
|