616 lines
13 KiB
C++
616 lines
13 KiB
C++
#include "..\e2dtool.h"
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#ifndef SAFE_DELETE
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#define SAFE_DELETE(p) { if (p) { delete (p); (p)=nullptr; } }
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#endif
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#ifndef SAFE_DELETE_ARRAY
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#define SAFE_DELETE_ARRAY(p) { if (p) { delete[] (p); (p)=nullptr; } }
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#endif
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inline bool TraceError(wchar_t* sPrompt)
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{
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WARN("MusicInfo error: %s failed!", sPrompt);
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return false;
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}
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inline bool TraceError(wchar_t* sPrompt, HRESULT hr)
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{
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WARN("MusicInfo error: %s (%#X)", sPrompt, hr);
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return false;
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}
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static IXAudio2 * s_pXAudio2 = nullptr;
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static IXAudio2MasteringVoice * s_pMasteringVoice = nullptr;
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e2d::Music::Music()
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: _opened(false)
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, _playing(false)
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, _wfx(nullptr)
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, _hmmio(nullptr)
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, _resBuffer(nullptr)
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, _waveData(nullptr)
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, _dwSize(0)
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, _voice(nullptr)
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, _voiceCallback(this)
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{
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}
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e2d::Music::Music(const e2d::String & filePath)
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: _opened(false)
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, _playing(false)
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, _wfx(nullptr)
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, _hmmio(nullptr)
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, _resBuffer(nullptr)
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, _waveData(nullptr)
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, _dwSize(0)
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, _voice(nullptr)
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, _voiceCallback(this)
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{
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this->open(filePath);
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}
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e2d::Music::Music(int resNameId, const String & resType)
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: _opened(false)
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, _playing(false)
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, _wfx(nullptr)
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, _hmmio(nullptr)
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, _resBuffer(nullptr)
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, _waveData(nullptr)
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, _dwSize(0)
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, _voice(nullptr)
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, _voiceCallback(this)
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{
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this->open(resNameId, resType);
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}
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e2d::Music::~Music()
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{
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close();
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}
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bool e2d::Music::open(const e2d::String& filePath)
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{
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if (_opened)
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{
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WARN("MusicInfo can be opened only once!");
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return false;
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}
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if (filePath.isEmpty())
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{
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WARN("MusicInfo::open Invalid file name.");
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return false;
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}
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String actualFilePath = Path::findFile(filePath);
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if (actualFilePath.isEmpty())
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{
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WARN("MusicInfo::open File not found.");
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return false;
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}
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if (!s_pXAudio2)
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{
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WARN("IXAudio2 nullptr pointer error!");
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return false;
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}
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// ¶¨Î» wave Îļþ
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wchar_t pFilePath[MAX_PATH];
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if (!_findMediaFileCch(pFilePath, MAX_PATH, (const wchar_t *)actualFilePath))
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{
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WARN("Failed to find media file: %s", pFilePath);
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return false;
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}
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_hmmio = mmioOpen(pFilePath, nullptr, MMIO_ALLOCBUF | MMIO_READ);
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if (nullptr == _hmmio)
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{
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return TraceError(L"mmioOpen");
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}
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if (!_readMMIO())
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{
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// ¶ÁÈ¡·Ç wave Îļþʱ ReadMMIO µ÷ÓÃʧ°Ü
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mmioClose(_hmmio, 0);
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return TraceError(L"_readMMIO");
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}
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if (!_resetFile())
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return TraceError(L"_resetFile");
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// ÖØÖÃÎļþºó£¬wave ÎļþµÄ´óСÊÇ _ck.cksize
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_dwSize = _ck.cksize;
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// ½«Ñù±¾Êý¾Ý¶ÁÈ¡µ½ÄÚ´æÖÐ
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_waveData = new (std::nothrow) BYTE[_dwSize];
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if (!_read(_waveData, _dwSize))
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{
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TraceError(L"Failed to read WAV data");
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SAFE_DELETE_ARRAY(_waveData);
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return false;
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}
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// ´´½¨ÒôÔ´
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HRESULT hr;
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if (FAILED(hr = s_pXAudio2->CreateSourceVoice(&_voice, _wfx, 0, XAUDIO2_DEFAULT_FREQ_RATIO, &this->_voiceCallback)))
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{
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TraceError(L"Create source voice error", hr);
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SAFE_DELETE_ARRAY(_waveData);
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return false;
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}
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_opened = true;
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_playing = false;
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return true;
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}
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bool e2d::Music::open(int resNameId, const e2d::String& resType)
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{
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HRSRC hResInfo;
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HGLOBAL hResData;
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DWORD dwSize;
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void* pvRes;
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if (_opened)
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{
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WARN("MusicInfo can be opened only once!");
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return false;
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}
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if (!s_pXAudio2)
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{
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WARN("IXAudio2 nullptr pointer error!");
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return false;
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}
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if (nullptr == (hResInfo = FindResourceW(HINST_THISCOMPONENT, MAKEINTRESOURCE(resNameId), (LPCWSTR)resType)))
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return TraceError(L"FindResource");
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if (nullptr == (hResData = LoadResource(HINST_THISCOMPONENT, hResInfo)))
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return TraceError(L"LoadResource");
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if (0 == (dwSize = SizeofResource(HINST_THISCOMPONENT, hResInfo)))
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return TraceError(L"SizeofResource");
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if (nullptr == (pvRes = LockResource(hResData)))
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return TraceError(L"LockResource");
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_resBuffer = new (std::nothrow) CHAR[dwSize];
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memcpy(_resBuffer, pvRes, dwSize);
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MMIOINFO mmioInfo;
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ZeroMemory(&mmioInfo, sizeof(mmioInfo));
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mmioInfo.fccIOProc = FOURCC_MEM;
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mmioInfo.cchBuffer = dwSize;
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mmioInfo.pchBuffer = (CHAR*)_resBuffer;
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_hmmio = mmioOpen(nullptr, &mmioInfo, MMIO_ALLOCBUF | MMIO_READ);
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if (!_readMMIO())
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{
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// ¶ÁÈ¡·Ç wave Îļþʱ ReadMMIO µ÷ÓÃʧ°Ü
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mmioClose(_hmmio, 0);
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return TraceError(L"ReadMMIO");
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}
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if (!_resetFile())
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return TraceError(L"ResetFile");
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// ÖØÖÃÎļþºó£¬wave ÎļþµÄ´óСÊÇ _ck.cksize
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_dwSize = _ck.cksize;
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// ½«Ñù±¾Êý¾Ý¶ÁÈ¡µ½ÄÚ´æÖÐ
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_waveData = new (std::nothrow) BYTE[_dwSize];
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if (!_read(_waveData, _dwSize))
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{
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TraceError(L"Failed to read WAV data");
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SAFE_DELETE_ARRAY(_waveData);
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return false;
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}
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// ´´½¨ÒôÔ´
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HRESULT hr;
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if (FAILED(hr = s_pXAudio2->CreateSourceVoice(&_voice, _wfx, 0, XAUDIO2_DEFAULT_FREQ_RATIO, &this->_voiceCallback)))
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{
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TraceError(L"Create source voice error", hr);
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SAFE_DELETE_ARRAY(_waveData);
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return false;
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}
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_opened = true;
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_playing = false;
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return true;
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}
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bool e2d::Music::play(int nLoopCount)
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{
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if (!_opened)
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{
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WARN("MusicInfo::play Failed: MusicInfo must be opened first!");
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return false;
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}
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if (_voice == nullptr)
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{
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WARN("MusicInfo::play Failed: IXAudio2SourceVoice Null pointer exception!");
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return false;
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}
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if (_playing)
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{
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stop();
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}
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nLoopCount = min(nLoopCount, XAUDIO2_LOOP_INFINITE - 1);
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nLoopCount = (nLoopCount < 0) ? XAUDIO2_LOOP_INFINITE : nLoopCount;
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// Ìá½» wave Ñù±¾Êý¾Ý
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XAUDIO2_BUFFER buffer = { 0 };
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buffer.pAudioData = _waveData;
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buffer.Flags = XAUDIO2_END_OF_STREAM;
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buffer.AudioBytes = _dwSize;
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buffer.LoopCount = nLoopCount;
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HRESULT hr;
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if (FAILED(hr = _voice->SubmitSourceBuffer(&buffer)))
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{
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TraceError(L"Submitting source buffer error", hr);
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_voice->DestroyVoice();
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SAFE_DELETE_ARRAY(_waveData);
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return false;
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}
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if (SUCCEEDED(hr = _voice->Start(0)))
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{
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// ²¥·Å³É¹¦£¬±£ÁôÕâ¸ö¶ÔÏó
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_playing = true;
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}
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return SUCCEEDED(hr);
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}
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void e2d::Music::pause()
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{
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if (_voice)
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{
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if (SUCCEEDED(_voice->Stop()))
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{
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_playing = false;
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}
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}
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}
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void e2d::Music::resume()
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{
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if (_voice)
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{
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if (SUCCEEDED(_voice->Start()))
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{
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_playing = true;
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}
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}
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}
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void e2d::Music::stop()
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{
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if (_voice)
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{
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if (SUCCEEDED(_voice->Stop()))
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{
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_voice->ExitLoop();
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_voice->FlushSourceBuffers();
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_playing = false;
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}
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}
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}
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void e2d::Music::close()
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{
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if (_voice)
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{
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_voice->Stop();
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_voice->FlushSourceBuffers();
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_voice->DestroyVoice();
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_voice = nullptr;
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}
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if (_hmmio != nullptr)
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{
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mmioClose(_hmmio, 0);
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_hmmio = nullptr;
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}
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SAFE_DELETE_ARRAY(_resBuffer);
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SAFE_DELETE_ARRAY(_waveData);
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SAFE_DELETE_ARRAY(_wfx);
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_opened = false;
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_playing = false;
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}
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bool e2d::Music::isPlaying() const
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{
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if (_opened && _voice)
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{
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XAUDIO2_VOICE_STATE state;
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_voice->GetState(&state);
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if (state.BuffersQueued == 0)
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{
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_playing = false;
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}
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return _playing;
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}
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else
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{
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return false;
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}
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}
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IXAudio2SourceVoice * e2d::Music::getIXAudio2SourceVoice() const
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{
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return _voice;
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}
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bool e2d::Music::setVolume(double volume)
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{
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if (_voice)
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{
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return SUCCEEDED(_voice->SetVolume(float(volume)));
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}
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return false;
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}
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void e2d::Music::setFuncOnEnd(const Function & func)
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{
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_voiceCallback.SetFuncOnStreamEnd(func);
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}
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void e2d::Music::setFuncOnLoopEnd(const Function & func)
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{
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_voiceCallback.SetFuncOnLoopEnd(func);
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}
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bool e2d::Music::_readMMIO()
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{
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MMCKINFO ckIn;
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PCMWAVEFORMAT pcmWaveFormat;
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memset(&ckIn, 0, sizeof(ckIn));
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_wfx = nullptr;
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if ((0 != mmioDescend(_hmmio, &_ckRiff, nullptr, 0)))
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return TraceError(L"mmioDescend");
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// È·ÈÏÎļþÊÇÒ»¸öºÏ·¨µÄ wave Îļþ
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if ((_ckRiff.ckid != FOURCC_RIFF) ||
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(_ckRiff.fccType != mmioFOURCC('W', 'A', 'V', 'E')))
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return TraceError(L"mmioFOURCC");
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// ÔÚÊäÈëÎļþÖвéÕÒ 'fmt' ¿é
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ckIn.ckid = mmioFOURCC('f', 'm', 't', ' ');
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if (0 != mmioDescend(_hmmio, &ckIn, &_ckRiff, MMIO_FINDCHUNK))
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return TraceError(L"mmioDescend");
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// 'fmt' ¿éÖÁÉÙÓ¦ºÍ PCMWAVEFORMAT Ò»Ñù´ó
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if (ckIn.cksize < (LONG)sizeof(PCMWAVEFORMAT))
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return TraceError(L"sizeof(PCMWAVEFORMAT)");
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// ½« 'fmt' ¿é¶ÁÈ¡µ½ pcmWaveFormat ÖÐ
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if (mmioRead(_hmmio, (HPSTR)&pcmWaveFormat,
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sizeof(pcmWaveFormat)) != sizeof(pcmWaveFormat))
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return TraceError(L"mmioRead");
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// ·ÖÅä WAVEFORMATEX£¬µ«Èç¹ûËü²»ÊÇ PCM ¸ñʽ£¬ÔÙ¶ÁÈ¡Ò»¸ö WORD ´óС
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// µÄÊý¾Ý£¬Õâ¸öÊý¾Ý¾ÍÊǶîÍâ·ÖÅäµÄ´óС
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if (pcmWaveFormat.wf.wFormatTag == WAVE_FORMAT_PCM)
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{
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_wfx = (WAVEFORMATEX*) new (std::nothrow) CHAR[sizeof(WAVEFORMATEX)];
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// ¿½±´Êý¾Ý
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memcpy(_wfx, &pcmWaveFormat, sizeof(pcmWaveFormat));
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_wfx->cbSize = 0;
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}
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else
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{
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// ¶ÁÈ¡¶îÍâÊý¾ÝµÄ´óС
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WORD cbExtraBytes = 0L;
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if (mmioRead(_hmmio, (CHAR*)&cbExtraBytes, sizeof(WORD)) != sizeof(WORD))
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return TraceError(L"mmioRead");
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_wfx = (WAVEFORMATEX*) new (std::nothrow) CHAR[sizeof(WAVEFORMATEX) + cbExtraBytes];
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// ¿½±´Êý¾Ý
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memcpy(_wfx, &pcmWaveFormat, sizeof(pcmWaveFormat));
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_wfx->cbSize = cbExtraBytes;
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// ¶ÁÈ¡¶îÍâÊý¾Ý
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if (mmioRead(_hmmio, (CHAR*)(((BYTE*)&(_wfx->cbSize)) + sizeof(WORD)),
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cbExtraBytes) != cbExtraBytes)
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{
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SAFE_DELETE(_wfx);
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return TraceError(L"mmioRead");
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}
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}
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if (0 != mmioAscend(_hmmio, &ckIn, 0))
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{
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SAFE_DELETE(_wfx);
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return TraceError(L"mmioAscend");
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}
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return true;
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}
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bool e2d::Music::_resetFile()
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{
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// Seek to the data
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if (-1 == mmioSeek(_hmmio, _ckRiff.dwDataOffset + sizeof(FOURCC),
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SEEK_SET))
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return TraceError(L"mmioSeek");
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// Search the input file for the 'data' chunk.
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_ck.ckid = mmioFOURCC('d', 'a', 't', 'a');
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if (0 != mmioDescend(_hmmio, &_ck, &_ckRiff, MMIO_FINDCHUNK))
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return TraceError(L"mmioDescend");
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return true;
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}
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bool e2d::Music::_read(BYTE* pBuffer, DWORD dwSizeToRead)
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{
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MMIOINFO mmioinfoIn; // current status of _hmmio
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if (0 != mmioGetInfo(_hmmio, &mmioinfoIn, 0))
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return TraceError(L"mmioGetInfo");
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UINT cbDataIn = dwSizeToRead;
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if (cbDataIn > _ck.cksize)
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cbDataIn = _ck.cksize;
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_ck.cksize -= cbDataIn;
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for (DWORD cT = 0; cT < cbDataIn; ++cT)
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{
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// Copy the bytes from the io to the buffer.
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if (mmioinfoIn.pchNext == mmioinfoIn.pchEndRead)
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{
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if (0 != mmioAdvance(_hmmio, &mmioinfoIn, MMIO_READ))
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return TraceError(L"mmioAdvance");
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if (mmioinfoIn.pchNext == mmioinfoIn.pchEndRead)
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return TraceError(L"mmioinfoIn.pchNext");
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}
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// Actual copy.
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*((BYTE*)pBuffer + cT) = *((BYTE*)mmioinfoIn.pchNext);
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++mmioinfoIn.pchNext;
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}
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if (0 != mmioSetInfo(_hmmio, &mmioinfoIn, 0))
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return TraceError(L"mmioSetInfo");
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return true;
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}
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bool e2d::Music::_findMediaFileCch(wchar_t* strDestPath, int cchDest, const wchar_t * strFilename)
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{
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bool bFound = false;
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if (nullptr == strFilename || nullptr == strDestPath || cchDest < 10)
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return false;
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// Get the exe name, and exe path
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wchar_t strExePath[MAX_PATH] = { 0 };
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wchar_t strExeName[MAX_PATH] = { 0 };
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wchar_t* strLastSlash = nullptr;
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GetModuleFileName(HINST_THISCOMPONENT, strExePath, MAX_PATH);
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strExePath[MAX_PATH - 1] = 0;
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strLastSlash = wcsrchr(strExePath, TEXT('\\'));
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if (strLastSlash)
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{
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wcscpy_s(strExeName, MAX_PATH, &strLastSlash[1]);
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// Chop the exe name from the exe path
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*strLastSlash = 0;
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// Chop the .exe from the exe name
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strLastSlash = wcsrchr(strExeName, TEXT('.'));
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if (strLastSlash)
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*strLastSlash = 0;
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}
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wcscpy_s(strDestPath, cchDest, strFilename);
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if (GetFileAttributes(strDestPath) != 0xFFFFFFFF)
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return true;
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// Search all parent directories starting at .\ and using strFilename as the leaf name
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wchar_t strLeafName[MAX_PATH] = { 0 };
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wcscpy_s(strLeafName, MAX_PATH, strFilename);
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|
|
wchar_t strFullPath[MAX_PATH] = { 0 };
|
|
wchar_t strFullFileName[MAX_PATH] = { 0 };
|
|
wchar_t strSearch[MAX_PATH] = { 0 };
|
|
wchar_t* strFilePart = nullptr;
|
|
|
|
GetFullPathName(L".", MAX_PATH, strFullPath, &strFilePart);
|
|
if (strFilePart == nullptr)
|
|
return false;
|
|
|
|
while (strFilePart != nullptr && *strFilePart != '\0')
|
|
{
|
|
swprintf_s(strFullFileName, MAX_PATH, L"%s\\%s", strFullPath, strLeafName);
|
|
if (GetFileAttributes(strFullFileName) != 0xFFFFFFFF)
|
|
{
|
|
wcscpy_s(strDestPath, cchDest, strFullFileName);
|
|
bFound = true;
|
|
break;
|
|
}
|
|
|
|
swprintf_s(strFullFileName, MAX_PATH, L"%s\\%s\\%s", strFullPath, strExeName, strLeafName);
|
|
if (GetFileAttributes(strFullFileName) != 0xFFFFFFFF)
|
|
{
|
|
wcscpy_s(strDestPath, cchDest, strFullFileName);
|
|
bFound = true;
|
|
break;
|
|
}
|
|
|
|
swprintf_s(strSearch, MAX_PATH, L"%s\\..", strFullPath);
|
|
GetFullPathName(strSearch, MAX_PATH, strFullPath, &strFilePart);
|
|
}
|
|
if (bFound)
|
|
return true;
|
|
|
|
// ʧ°Üʱ£¬½«Îļþ×÷Ϊ·¾¶·µ»Ø£¬Í¬Ê±Ò²·µ»Ø´íÎó´úÂë
|
|
wcscpy_s(strDestPath, cchDest, strFilename);
|
|
|
|
return false;
|
|
}
|
|
|
|
IXAudio2 * e2d::Music::getIXAudio2()
|
|
{
|
|
return s_pXAudio2;
|
|
}
|
|
|
|
IXAudio2MasteringVoice * e2d::Music::getIXAudio2MasteringVoice()
|
|
{
|
|
return s_pMasteringVoice;
|
|
}
|
|
|
|
bool e2d::Music::__init()
|
|
{
|
|
HRESULT hr;
|
|
|
|
if (FAILED(hr = XAudio2Create(&s_pXAudio2, 0)))
|
|
{
|
|
WARN("Failed to init XAudio2 engine");
|
|
return false;
|
|
}
|
|
|
|
if (FAILED(hr = s_pXAudio2->CreateMasteringVoice(&s_pMasteringVoice)))
|
|
{
|
|
WARN("Failed creating mastering voice");
|
|
e2d::SafeRelease(s_pXAudio2);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void e2d::Music::__uninit()
|
|
{
|
|
if (s_pMasteringVoice)
|
|
{
|
|
s_pMasteringVoice->DestroyVoice();
|
|
}
|
|
|
|
e2d::SafeRelease(s_pXAudio2);
|
|
} |