mirror of https://github.com/AxioDL/boo.git
552 lines
18 KiB
C++
552 lines
18 KiB
C++
#include "../win/Win32Common.hpp"
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#include "AudioVoiceEngine.hpp"
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#include "logvisor/logvisor.hpp"
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#include <Mmdeviceapi.h>
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#include <Audioclient.h>
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#include <mmsystem.h>
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#include <iterator>
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const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
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const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
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const IID IID_IAudioClient = __uuidof(IAudioClient);
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const IID IID_IAudioRenderClient = __uuidof(IAudioRenderClient);
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namespace boo
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{
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static logvisor::Module Log("boo::WASAPI");
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struct WASAPIAudioVoiceEngine : BaseAudioVoiceEngine
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{
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ComPtr<IMMDevice> m_device;
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ComPtr<IAudioClient> m_audClient;
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ComPtr<IAudioRenderClient> m_renderClient;
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WASAPIAudioVoiceEngine()
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{
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/* Enumerate default audio device */
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ComPtr<IMMDeviceEnumerator> pEnumerator;
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if (FAILED(CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr,
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CLSCTX_ALL, IID_IMMDeviceEnumerator,
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&pEnumerator)))
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{
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Log.report(logvisor::Fatal, L"unable to create MMDeviceEnumerator instance");
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return;
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}
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if (FAILED(pEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &m_device)))
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{
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Log.report(logvisor::Fatal, L"unable to obtain default audio device");
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m_device.Reset();
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return;
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}
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if (FAILED(m_device->Activate(IID_IAudioClient, CLSCTX_ALL, nullptr, &m_audClient)))
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{
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Log.report(logvisor::Fatal, L"unable to create audio client from device");
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m_device.Reset();
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return;
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}
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WAVEFORMATEXTENSIBLE* pwfx;
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if (FAILED(m_audClient->GetMixFormat((WAVEFORMATEX**)&pwfx)))
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{
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Log.report(logvisor::Fatal, L"unable to obtain audio mix format from device");
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m_device.Reset();
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return;
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}
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/* Get channel information */
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if ((pwfx->dwChannelMask & (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT)) == (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT))
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{
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m_mixInfo.m_channels = AudioChannelSet::Stereo;
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if ((pwfx->dwChannelMask & (SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)) == (SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT))
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{
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m_mixInfo.m_channels = AudioChannelSet::Quad;
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if ((pwfx->dwChannelMask & (SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY)) == (SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY))
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{
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m_mixInfo.m_channels = AudioChannelSet::Surround51;
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if ((pwfx->dwChannelMask & (SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)) == (SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT))
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{
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m_mixInfo.m_channels = AudioChannelSet::Surround71;
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}
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}
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}
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}
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ChannelMap& chMapOut = m_mixInfo.m_channelMap;
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switch (pwfx->Format.nChannels)
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{
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case 2:
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chMapOut.m_channelCount = 2;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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break;
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case 4:
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chMapOut.m_channelCount = 4;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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chMapOut.m_channels[2] = AudioChannel::RearLeft;
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chMapOut.m_channels[3] = AudioChannel::RearRight;
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break;
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case 5:
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chMapOut.m_channelCount = 5;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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chMapOut.m_channels[2] = AudioChannel::FrontCenter;
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chMapOut.m_channels[3] = AudioChannel::RearLeft;
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chMapOut.m_channels[4] = AudioChannel::RearRight;
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break;
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case 6:
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chMapOut.m_channelCount = 6;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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chMapOut.m_channels[2] = AudioChannel::FrontCenter;
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chMapOut.m_channels[3] = AudioChannel::LFE;
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chMapOut.m_channels[4] = AudioChannel::RearLeft;
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chMapOut.m_channels[5] = AudioChannel::RearRight;
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break;
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case 8:
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chMapOut.m_channelCount = 8;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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chMapOut.m_channels[2] = AudioChannel::FrontCenter;
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chMapOut.m_channels[3] = AudioChannel::LFE;
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chMapOut.m_channels[4] = AudioChannel::RearLeft;
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chMapOut.m_channels[5] = AudioChannel::RearRight;
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chMapOut.m_channels[6] = AudioChannel::SideLeft;
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chMapOut.m_channels[7] = AudioChannel::SideRight;
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break;
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default:
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Log.report(logvisor::Warning, "unknown channel layout %u; using stereo", pwfx->Format.nChannels);
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chMapOut.m_channelCount = 2;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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break;
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}
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/* Initialize audio client */
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if (FAILED(m_audClient->Initialize(
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AUDCLNT_SHAREMODE_SHARED,
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0,
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1000000,
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0,
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(WAVEFORMATEX*)pwfx,
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nullptr)))
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{
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Log.report(logvisor::Fatal, L"unable to initialize audio client");
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m_device.Reset();
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CoTaskMemFree(pwfx);
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return;
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}
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m_mixInfo.m_sampleRate = pwfx->Format.nSamplesPerSec;
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m_5msFrames = (m_mixInfo.m_sampleRate * 5 / 500 + 1) / 2;
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if (pwfx->Format.wFormatTag == WAVE_FORMAT_PCM ||
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(pwfx->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE && pwfx->SubFormat == KSDATAFORMAT_SUBTYPE_PCM))
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{
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if (pwfx->Format.wBitsPerSample == 16)
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{
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m_mixInfo.m_sampleFormat = SOXR_INT16_I;
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m_mixInfo.m_bitsPerSample = 16;
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}
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else if (pwfx->Format.wBitsPerSample == 32)
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{
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m_mixInfo.m_sampleFormat = SOXR_INT32_I;
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m_mixInfo.m_bitsPerSample = 32;
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}
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else
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{
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Log.report(logvisor::Fatal, L"unsupported bits-per-sample %d", pwfx->Format.wBitsPerSample);
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m_device.Reset();
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return;
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}
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}
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else if (pwfx->Format.wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
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(pwfx->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE && pwfx->SubFormat == KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))
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{
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if (pwfx->Format.wBitsPerSample == 32)
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{
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m_mixInfo.m_sampleFormat = SOXR_FLOAT32_I;
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m_mixInfo.m_bitsPerSample = 32;
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}
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else
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{
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Log.report(logvisor::Fatal, L"unsupported floating-point bits-per-sample %d", pwfx->Format.wBitsPerSample);
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m_device.Reset();
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return;
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}
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}
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CoTaskMemFree(pwfx);
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UINT32 bufferFrameCount;
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if (FAILED(m_audClient->GetBufferSize(&bufferFrameCount)))
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{
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Log.report(logvisor::Fatal, L"unable to get audio buffer frame count");
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m_device.Reset();
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return;
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}
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m_mixInfo.m_periodFrames = bufferFrameCount;
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if (FAILED(m_audClient->GetService(IID_IAudioRenderClient, &m_renderClient)))
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{
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Log.report(logvisor::Fatal, L"unable to create audio render client");
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m_device.Reset();
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return;
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}
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}
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bool m_started = false;
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void pumpAndMixVoices()
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{
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UINT32 numFramesPadding;
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if (FAILED(m_audClient->GetCurrentPadding(&numFramesPadding)))
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{
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Log.report(logvisor::Fatal, L"unable to get available buffer frames");
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return;
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}
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size_t frames = m_mixInfo.m_periodFrames - numFramesPadding;
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if (frames <= 0)
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return;
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BYTE* bufOut;
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if (FAILED(m_renderClient->GetBuffer(frames, &bufOut)))
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{
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Log.report(logvisor::Fatal, L"unable to map audio buffer");
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return;
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}
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DWORD flags = 0;
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switch (m_mixInfo.m_sampleFormat)
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{
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case SOXR_INT16_I:
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_pumpAndMixVoices(frames, reinterpret_cast<int16_t*>(bufOut));
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break;
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case SOXR_INT32_I:
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_pumpAndMixVoices(frames, reinterpret_cast<int32_t*>(bufOut));
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break;
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case SOXR_FLOAT32_I:
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_pumpAndMixVoices(frames, reinterpret_cast<float*>(bufOut));
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break;
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default:
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flags = AUDCLNT_BUFFERFLAGS_SILENT;
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break;
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}
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if (FAILED(m_renderClient->ReleaseBuffer(frames, flags)))
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{
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Log.report(logvisor::Fatal, L"unable to unmap audio buffer");
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return;
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}
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if (!m_started)
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{
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if (FAILED(m_audClient->Start()))
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{
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Log.report(logvisor::Fatal, L"unable to start audio client");
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m_device.Reset();
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return;
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}
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m_started = true;
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}
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}
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std::vector<std::pair<std::string, std::string>> enumerateMIDIDevices() const
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{
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std::vector<std::pair<std::string, std::string>> ret;
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UINT numInDevices = midiInGetNumDevs();
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UINT numOutDevices = midiOutGetNumDevs();
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ret.reserve(numInDevices + numOutDevices);
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for (UINT i=0 ; i<numInDevices ; ++i)
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{
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char name[256];
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snprintf(name, 256, "in%u", i);
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MIDIINCAPS caps;
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if (FAILED(midiInGetDevCaps(i, &caps, sizeof(caps))))
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continue;
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#ifdef UNICODE
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int sizeNeeded = WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, nullptr, 0, nullptr, nullptr);
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std::string strTo(sizeNeeded, 0);
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WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, &strTo[0], sizeNeeded, nullptr, nullptr);
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ret.push_back(std::make_pair(std::string(name), std::move(strTo)));
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#else
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ret.push_back(std::make_pair(std::string(name), std::string(caps.szPname)));
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#endif
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}
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for (UINT i=0 ; i<numOutDevices ; ++i)
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{
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char name[256];
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snprintf(name, 256, "out%u", i);
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MIDIOUTCAPS caps;
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if (FAILED(midiOutGetDevCaps(i, &caps, sizeof(caps))))
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continue;
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#ifdef UNICODE
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int sizeNeeded = WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, nullptr, 0, nullptr, nullptr);
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std::string strTo(sizeNeeded, 0);
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WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, &strTo[0], sizeNeeded, nullptr, nullptr);
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ret.push_back(std::make_pair(std::string(name), std::move(strTo)));
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#else
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ret.push_back(std::make_pair(std::string(name), std::string(caps.szPname)));
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#endif
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}
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return ret;
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}
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static void MIDIReceiveProc(HMIDIIN hMidiIn,
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UINT wMsg,
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IMIDIReceiver* dwInstance,
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DWORD_PTR dwParam1,
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DWORD_PTR dwParam2)
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{
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if (wMsg == MIM_DATA)
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{
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uint8_t (&ptr)[3] = reinterpret_cast<uint8_t(&)[3]>(dwParam1);
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std::vector<uint8_t> bytes(std::cbegin(ptr), std::cend(ptr));
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dwInstance->m_receiver(std::move(bytes));
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}
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}
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struct MIDIIn : public IMIDIIn
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{
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HMIDIIN m_midi = 0;
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MIDIIn(bool virt, ReceiveFunctor&& receiver)
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: IMIDIIn(virt, std::move(receiver)) {}
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~MIDIIn()
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{
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midiInClose(m_midi);
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}
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std::string description() const
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{
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UINT id = 0;
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midiInGetID(m_midi, &id);
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MIDIINCAPS caps;
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if (FAILED(midiInGetDevCaps(id, &caps, sizeof(caps))))
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return {};
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#ifdef UNICODE
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int sizeNeeded = WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, nullptr, 0, nullptr, nullptr);
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std::string strTo(sizeNeeded, 0);
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WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, &strTo[0], sizeNeeded, nullptr, nullptr);
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return strTo;
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#else
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return caps.szPname;
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#endif
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}
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};
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struct MIDIOut : public IMIDIOut
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{
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HMIDIOUT m_midi = 0;
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HMIDISTRM m_strm = 0;
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uint8_t m_buf[512];
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MIDIHDR m_hdr = {};
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MIDIOut(bool virt) : IMIDIOut(virt) {}
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void prepare()
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{
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UINT id = 0;
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midiOutGetID(m_midi, &id);
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m_hdr.lpData = reinterpret_cast<LPSTR>(m_buf);
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m_hdr.dwBufferLength = 512;
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m_hdr.dwFlags = MHDR_ISSTRM;
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midiOutPrepareHeader(m_midi, &m_hdr, sizeof(m_hdr));
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midiStreamOpen(&m_strm, &id, 1, NULL, NULL, CALLBACK_NULL);
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}
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~MIDIOut()
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{
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midiStreamClose(m_strm);
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midiOutUnprepareHeader(m_midi, &m_hdr, sizeof(m_hdr));
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midiOutClose(m_midi);
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}
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std::string description() const
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{
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UINT id = 0;
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midiOutGetID(m_midi, &id);
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MIDIOUTCAPS caps;
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if (FAILED(midiOutGetDevCaps(id, &caps, sizeof(caps))))
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return {};
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#ifdef UNICODE
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int sizeNeeded = WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, nullptr, 0, nullptr, nullptr);
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std::string strTo(sizeNeeded, 0);
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WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, &strTo[0], sizeNeeded, nullptr, nullptr);
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return strTo;
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#else
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return caps.szPname;
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#endif
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}
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size_t send(const void* buf, size_t len) const
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{
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memcpy(((MIDIOut*)this)->m_buf, buf, std::min(len, size_t(512)));
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((MIDIOut*)this)->m_hdr.dwBytesRecorded = len;
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midiStreamOut(m_strm, LPMIDIHDR(&m_hdr), sizeof(m_hdr));
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return len;
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}
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};
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struct MIDIInOut : public IMIDIInOut
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{
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HMIDIIN m_midiIn = 0;
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HMIDIOUT m_midiOut = 0;
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HMIDISTRM m_strm = 0;
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uint8_t m_buf[512];
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MIDIHDR m_hdr = {};
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MIDIInOut(bool virt, ReceiveFunctor&& receiver)
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: IMIDIInOut(virt, std::move(receiver)) {}
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void prepare()
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{
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UINT id = 0;
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midiOutGetID(m_midiOut, &id);
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m_hdr.lpData = reinterpret_cast<LPSTR>(m_buf);
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m_hdr.dwBufferLength = 512;
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m_hdr.dwFlags = MHDR_ISSTRM;
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midiOutPrepareHeader(m_midiOut, &m_hdr, sizeof(m_hdr));
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midiStreamOpen(&m_strm, &id, 1, NULL, NULL, CALLBACK_NULL);
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}
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~MIDIInOut()
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{
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midiInClose(m_midiIn);
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midiStreamClose(m_strm);
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midiOutUnprepareHeader(m_midiOut, &m_hdr, sizeof(m_hdr));
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midiOutClose(m_midiOut);
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}
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std::string description() const
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{
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UINT id = 0;
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midiOutGetID(m_midiOut, &id);
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MIDIOUTCAPS caps;
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if (FAILED(midiOutGetDevCaps(id, &caps, sizeof(caps))))
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return {};
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#ifdef UNICODE
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int sizeNeeded = WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, nullptr, 0, nullptr, nullptr);
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std::string strTo(sizeNeeded, 0);
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WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, &strTo[0], sizeNeeded, nullptr, nullptr);
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return strTo;
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#else
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return caps.szPname;
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#endif
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}
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size_t send(const void* buf, size_t len) const
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{
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memcpy(((MIDIOut*)this)->m_buf, buf, std::min(len, size_t(512)));
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((MIDIOut*)this)->m_hdr.dwBytesRecorded = len;
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midiStreamOut(m_strm, LPMIDIHDR(&m_hdr), sizeof(m_hdr));
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return len;
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}
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};
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std::unique_ptr<IMIDIIn> newVirtualMIDIIn(ReceiveFunctor&& receiver)
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{
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return {};
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}
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std::unique_ptr<IMIDIOut> newVirtualMIDIOut()
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{
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return {};
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}
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std::unique_ptr<IMIDIInOut> newVirtualMIDIInOut(ReceiveFunctor&& receiver)
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{
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return {};
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}
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std::unique_ptr<IMIDIIn> newRealMIDIIn(const char* name, ReceiveFunctor&& receiver)
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{
|
|
if (strcmp(name, "in"))
|
|
return {};
|
|
long id = strtol(name + 2, nullptr, 10);
|
|
|
|
std::unique_ptr<IMIDIIn> ret = std::make_unique<MIDIIn>(false, std::move(receiver));
|
|
if (!ret)
|
|
return {};
|
|
|
|
if (FAILED(midiInOpen(&static_cast<MIDIIn&>(*ret).m_midi, id, DWORD_PTR(MIDIReceiveProc),
|
|
DWORD_PTR(static_cast<IMIDIReceiver*>(ret.get())), CALLBACK_FUNCTION)))
|
|
return {};
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::unique_ptr<IMIDIOut> newRealMIDIOut(const char* name)
|
|
{
|
|
if (strcmp(name, "out"))
|
|
return {};
|
|
long id = strtol(name + 3, nullptr, 10);
|
|
|
|
std::unique_ptr<IMIDIOut> ret = std::make_unique<MIDIOut>(false);
|
|
if (!ret)
|
|
return {};
|
|
|
|
if (FAILED(midiOutOpen(&static_cast<MIDIOut&>(*ret).m_midi, id, NULL,
|
|
NULL, CALLBACK_NULL)))
|
|
return {};
|
|
|
|
static_cast<MIDIOut&>(*ret).prepare();
|
|
return ret;
|
|
}
|
|
|
|
std::unique_ptr<IMIDIInOut> newRealMIDIInOut(const char* name, ReceiveFunctor&& receiver)
|
|
{
|
|
const char* in = strstr(name, "in");
|
|
const char* out = strstr(name, "out");
|
|
|
|
if (!in || !out)
|
|
return {};
|
|
|
|
long inId = strtol(in + 2, nullptr, 10);
|
|
long outId = strtol(out + 3, nullptr, 10);
|
|
|
|
std::unique_ptr<IMIDIInOut> ret = std::make_unique<MIDIInOut>(false, std::move(receiver));
|
|
if (!ret)
|
|
return {};
|
|
|
|
if (FAILED(midiInOpen(&static_cast<MIDIInOut&>(*ret).m_midiIn, inId, DWORD_PTR(MIDIReceiveProc),
|
|
DWORD_PTR(static_cast<IMIDIReceiver*>(ret.get())), CALLBACK_FUNCTION)))
|
|
return {};
|
|
|
|
if (FAILED(midiOutOpen(&static_cast<MIDIInOut&>(*ret).m_midiOut, outId, NULL,
|
|
NULL, CALLBACK_NULL)))
|
|
return {};
|
|
|
|
static_cast<MIDIInOut&>(*ret).prepare();
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
std::unique_ptr<IAudioVoiceEngine> NewAudioVoiceEngine()
|
|
{
|
|
std::unique_ptr<IAudioVoiceEngine> ret = std::make_unique<WASAPIAudioVoiceEngine>();
|
|
if (!static_cast<WASAPIAudioVoiceEngine&>(*ret).m_device)
|
|
return {};
|
|
return ret;
|
|
}
|
|
|
|
}
|