609 lines
12 KiB
C++
609 lines
12 KiB
C++
#include "..\e2dtool.h"
|
||
|
||
|
||
#ifndef SAFE_DELETE
|
||
#define SAFE_DELETE(p) { if (p) { delete (p); (p)=nullptr; } }
|
||
#endif
|
||
#ifndef SAFE_DELETE_ARRAY
|
||
#define SAFE_DELETE_ARRAY(p) { if (p) { delete[] (p); (p)=nullptr; } }
|
||
#endif
|
||
|
||
inline bool TraceError(wchar_t* sPrompt)
|
||
{
|
||
WARN("MusicInfo error: %s failed!", sPrompt);
|
||
return false;
|
||
}
|
||
|
||
inline bool TraceError(wchar_t* sPrompt, HRESULT hr)
|
||
{
|
||
WARN("MusicInfo error: %s (%#X)", sPrompt, hr);
|
||
return false;
|
||
}
|
||
|
||
|
||
static IXAudio2 * s_pXAudio2 = nullptr;
|
||
static IXAudio2MasteringVoice * s_pMasteringVoice = nullptr;
|
||
|
||
|
||
e2d::Music::Music()
|
||
: _opened(false)
|
||
, _playing(false)
|
||
, _wfx(nullptr)
|
||
, _hmmio(nullptr)
|
||
, _resBuffer(nullptr)
|
||
, _waveData(nullptr)
|
||
, _dwSize(0)
|
||
, _voice(nullptr)
|
||
, _voiceCallback(this)
|
||
{
|
||
}
|
||
|
||
e2d::Music::Music(const e2d::String & filePath)
|
||
: _opened(false)
|
||
, _playing(false)
|
||
, _wfx(nullptr)
|
||
, _hmmio(nullptr)
|
||
, _resBuffer(nullptr)
|
||
, _waveData(nullptr)
|
||
, _dwSize(0)
|
||
, _voice(nullptr)
|
||
, _voiceCallback(this)
|
||
{
|
||
this->open(filePath);
|
||
}
|
||
|
||
e2d::Music::Music(int resNameId, const String & resType)
|
||
: _opened(false)
|
||
, _playing(false)
|
||
, _wfx(nullptr)
|
||
, _hmmio(nullptr)
|
||
, _resBuffer(nullptr)
|
||
, _waveData(nullptr)
|
||
, _dwSize(0)
|
||
, _voice(nullptr)
|
||
, _voiceCallback(this)
|
||
{
|
||
this->open(resNameId, resType);
|
||
}
|
||
|
||
e2d::Music::~Music()
|
||
{
|
||
close();
|
||
}
|
||
|
||
bool e2d::Music::open(const e2d::String& filePath)
|
||
{
|
||
if (_opened)
|
||
{
|
||
WARN("MusicInfo can be opened only once!");
|
||
return false;
|
||
}
|
||
|
||
if (filePath.isEmpty())
|
||
{
|
||
WARN("MusicInfo::open Invalid file name.");
|
||
return false;
|
||
}
|
||
|
||
if (!s_pXAudio2)
|
||
{
|
||
WARN("IXAudio2 nullptr pointer error!");
|
||
return false;
|
||
}
|
||
|
||
// 定位 wave 文件
|
||
wchar_t pFilePath[MAX_PATH];
|
||
if (!_findMediaFileCch(pFilePath, MAX_PATH, filePath))
|
||
{
|
||
WARN("Failed to find media file: %s", pFilePath);
|
||
return false;
|
||
}
|
||
|
||
_hmmio = mmioOpen(pFilePath, nullptr, MMIO_ALLOCBUF | MMIO_READ);
|
||
|
||
if (nullptr == _hmmio)
|
||
{
|
||
return TraceError(L"mmioOpen");
|
||
}
|
||
|
||
if (!_readMMIO())
|
||
{
|
||
// 读取非 wave 文件时 ReadMMIO 调用失败
|
||
mmioClose(_hmmio, 0);
|
||
return TraceError(L"_readMMIO");
|
||
}
|
||
|
||
if (!_resetFile())
|
||
return TraceError(L"_resetFile");
|
||
|
||
// 重置文件后，wave 文件的大小是 _ck.cksize
|
||
_dwSize = _ck.cksize;
|
||
|
||
// 将样本数据读取到内存中
|
||
_waveData = new (std::nothrow) BYTE[_dwSize];
|
||
|
||
if (!_read(_waveData, _dwSize))
|
||
{
|
||
TraceError(L"Failed to read WAV data");
|
||
SAFE_DELETE_ARRAY(_waveData);
|
||
return false;
|
||
}
|
||
|
||
// 创建音源
|
||
HRESULT hr;
|
||
if (FAILED(hr = s_pXAudio2->CreateSourceVoice(&_voice, _wfx, 0, XAUDIO2_DEFAULT_FREQ_RATIO, &this->_voiceCallback)))
|
||
{
|
||
TraceError(L"Create source voice error", hr);
|
||
SAFE_DELETE_ARRAY(_waveData);
|
||
return false;
|
||
}
|
||
|
||
_opened = true;
|
||
_playing = false;
|
||
return true;
|
||
}
|
||
|
||
bool e2d::Music::open(int resNameId, const e2d::String& resType)
|
||
{
|
||
HRSRC hResInfo;
|
||
HGLOBAL hResData;
|
||
DWORD dwSize;
|
||
void* pvRes;
|
||
|
||
if (_opened)
|
||
{
|
||
WARN("MusicInfo can be opened only once!");
|
||
return false;
|
||
}
|
||
|
||
if (!s_pXAudio2)
|
||
{
|
||
WARN("IXAudio2 nullptr pointer error!");
|
||
return false;
|
||
}
|
||
|
||
if (nullptr == (hResInfo = FindResourceW(HINST_THISCOMPONENT, MAKEINTRESOURCE(resNameId), resType)))
|
||
return TraceError(L"FindResource");
|
||
|
||
if (nullptr == (hResData = LoadResource(HINST_THISCOMPONENT, hResInfo)))
|
||
return TraceError(L"LoadResource");
|
||
|
||
if (0 == (dwSize = SizeofResource(HINST_THISCOMPONENT, hResInfo)))
|
||
return TraceError(L"SizeofResource");
|
||
|
||
if (nullptr == (pvRes = LockResource(hResData)))
|
||
return TraceError(L"LockResource");
|
||
|
||
_resBuffer = new (std::nothrow) CHAR[dwSize];
|
||
memcpy(_resBuffer, pvRes, dwSize);
|
||
|
||
MMIOINFO mmioInfo;
|
||
ZeroMemory(&mmioInfo, sizeof(mmioInfo));
|
||
mmioInfo.fccIOProc = FOURCC_MEM;
|
||
mmioInfo.cchBuffer = dwSize;
|
||
mmioInfo.pchBuffer = (CHAR*)_resBuffer;
|
||
|
||
_hmmio = mmioOpen(nullptr, &mmioInfo, MMIO_ALLOCBUF | MMIO_READ);
|
||
|
||
if (!_readMMIO())
|
||
{
|
||
// 读取非 wave 文件时 ReadMMIO 调用失败
|
||
mmioClose(_hmmio, 0);
|
||
return TraceError(L"ReadMMIO");
|
||
}
|
||
|
||
if (!_resetFile())
|
||
return TraceError(L"ResetFile");
|
||
|
||
// 重置文件后，wave 文件的大小是 _ck.cksize
|
||
_dwSize = _ck.cksize;
|
||
|
||
// 将样本数据读取到内存中
|
||
_waveData = new (std::nothrow) BYTE[_dwSize];
|
||
|
||
if (!_read(_waveData, _dwSize))
|
||
{
|
||
TraceError(L"Failed to read WAV data");
|
||
SAFE_DELETE_ARRAY(_waveData);
|
||
return false;
|
||
}
|
||
|
||
// 创建音源
|
||
HRESULT hr;
|
||
if (FAILED(hr = s_pXAudio2->CreateSourceVoice(&_voice, _wfx, 0, XAUDIO2_DEFAULT_FREQ_RATIO, &this->_voiceCallback)))
|
||
{
|
||
TraceError(L"Create source voice error", hr);
|
||
SAFE_DELETE_ARRAY(_waveData);
|
||
return false;
|
||
}
|
||
|
||
_opened = true;
|
||
_playing = false;
|
||
return true;
|
||
}
|
||
|
||
bool e2d::Music::play(int nLoopCount)
|
||
{
|
||
if (!_opened)
|
||
{
|
||
WARN("MusicInfo::play Failed: MusicInfo must be opened first!");
|
||
return false;
|
||
}
|
||
|
||
if (_voice == nullptr)
|
||
{
|
||
WARN("MusicInfo::play Failed: IXAudio2SourceVoice Null pointer exception!");
|
||
return false;
|
||
}
|
||
|
||
if (_playing)
|
||
{
|
||
stop();
|
||
}
|
||
|
||
nLoopCount = min(nLoopCount, XAUDIO2_LOOP_INFINITE - 1);
|
||
nLoopCount = (nLoopCount < 0) ? XAUDIO2_LOOP_INFINITE : nLoopCount;
|
||
|
||
// 提交 wave 样本数据
|
||
XAUDIO2_BUFFER buffer = { 0 };
|
||
buffer.pAudioData = _waveData;
|
||
buffer.Flags = XAUDIO2_END_OF_STREAM;
|
||
buffer.AudioBytes = _dwSize;
|
||
buffer.LoopCount = nLoopCount;
|
||
|
||
HRESULT hr;
|
||
if (FAILED(hr = _voice->SubmitSourceBuffer(&buffer)))
|
||
{
|
||
TraceError(L"Submitting source buffer error", hr);
|
||
_voice->DestroyVoice();
|
||
SAFE_DELETE_ARRAY(_waveData);
|
||
return false;
|
||
}
|
||
|
||
if (SUCCEEDED(hr = _voice->Start(0)))
|
||
{
|
||
// 播放成功，保留这个对象
|
||
_playing = true;
|
||
}
|
||
|
||
return SUCCEEDED(hr);
|
||
}
|
||
|
||
void e2d::Music::pause()
|
||
{
|
||
if (_voice)
|
||
{
|
||
if (SUCCEEDED(_voice->Stop()))
|
||
{
|
||
_playing = false;
|
||
}
|
||
}
|
||
}
|
||
|
||
void e2d::Music::resume()
|
||
{
|
||
if (_voice)
|
||
{
|
||
if (SUCCEEDED(_voice->Start()))
|
||
{
|
||
_playing = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
void e2d::Music::stop()
|
||
{
|
||
if (_voice)
|
||
{
|
||
if (SUCCEEDED(_voice->Stop()))
|
||
{
|
||
_voice->ExitLoop();
|
||
_voice->FlushSourceBuffers();
|
||
_playing = false;
|
||
}
|
||
}
|
||
}
|
||
|
||
void e2d::Music::close()
|
||
{
|
||
if (_voice)
|
||
{
|
||
_voice->Stop();
|
||
_voice->FlushSourceBuffers();
|
||
_voice->DestroyVoice();
|
||
_voice = nullptr;
|
||
}
|
||
|
||
if (_hmmio != nullptr)
|
||
{
|
||
mmioClose(_hmmio, 0);
|
||
_hmmio = nullptr;
|
||
}
|
||
|
||
SAFE_DELETE_ARRAY(_resBuffer);
|
||
SAFE_DELETE_ARRAY(_waveData);
|
||
SAFE_DELETE_ARRAY(_wfx);
|
||
|
||
_opened = false;
|
||
_playing = false;
|
||
}
|
||
|
||
bool e2d::Music::isPlaying() const
|
||
{
|
||
if (_opened && _voice)
|
||
{
|
||
XAUDIO2_VOICE_STATE state;
|
||
_voice->GetState(&state);
|
||
|
||
if (state.BuffersQueued == 0)
|
||
{
|
||
_playing = false;
|
||
}
|
||
return _playing;
|
||
}
|
||
else
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
|
||
IXAudio2SourceVoice * e2d::Music::getIXAudio2SourceVoice() const
|
||
{
|
||
return _voice;
|
||
}
|
||
|
||
bool e2d::Music::setVolume(double volume)
|
||
{
|
||
if (_voice)
|
||
{
|
||
return SUCCEEDED(_voice->SetVolume(float(volume)));
|
||
}
|
||
return false;
|
||
}
|
||
|
||
void e2d::Music::setFuncOnEnd(const Function & func)
|
||
{
|
||
_voiceCallback.SetFuncOnStreamEnd(func);
|
||
}
|
||
|
||
void e2d::Music::setFuncOnLoopEnd(const Function & func)
|
||
{
|
||
_voiceCallback.SetFuncOnLoopEnd(func);
|
||
}
|
||
|
||
bool e2d::Music::_readMMIO()
|
||
{
|
||
MMCKINFO ckIn;
|
||
PCMWAVEFORMAT pcmWaveFormat;
|
||
|
||
memset(&ckIn, 0, sizeof(ckIn));
|
||
|
||
_wfx = nullptr;
|
||
|
||
if ((0 != mmioDescend(_hmmio, &_ckRiff, nullptr, 0)))
|
||
return TraceError(L"mmioDescend");
|
||
|
||
// 确认文件是一个合法的 wave 文件
|
||
if ((_ckRiff.ckid != FOURCC_RIFF) ||
|
||
(_ckRiff.fccType != mmioFOURCC('W', 'A', 'V', 'E')))
|
||
return TraceError(L"mmioFOURCC");
|
||
|
||
// 在输入文件中查找 'fmt' 块
|
||
ckIn.ckid = mmioFOURCC('f', 'm', 't', ' ');
|
||
if (0 != mmioDescend(_hmmio, &ckIn, &_ckRiff, MMIO_FINDCHUNK))
|
||
return TraceError(L"mmioDescend");
|
||
|
||
// 'fmt' 块至少应和 PCMWAVEFORMAT 一样大
|
||
if (ckIn.cksize < (LONG)sizeof(PCMWAVEFORMAT))
|
||
return TraceError(L"sizeof(PCMWAVEFORMAT)");
|
||
|
||
// 将 'fmt' 块读取到 pcmWaveFormat 中
|
||
if (mmioRead(_hmmio, (HPSTR)&pcmWaveFormat,
|
||
sizeof(pcmWaveFormat)) != sizeof(pcmWaveFormat))
|
||
return TraceError(L"mmioRead");
|
||
|
||
// 分配 WAVEFORMATEX，但如果它不是 PCM 格式，再读取一个 WORD 大小
|
||
// 的数据，这个数据就是额外分配的大小
|
||
if (pcmWaveFormat.wf.wFormatTag == WAVE_FORMAT_PCM)
|
||
{
|
||
_wfx = (WAVEFORMATEX*) new (std::nothrow) CHAR[sizeof(WAVEFORMATEX)];
|
||
|
||
// 拷贝数据
|
||
memcpy(_wfx, &pcmWaveFormat, sizeof(pcmWaveFormat));
|
||
_wfx->cbSize = 0;
|
||
}
|
||
else
|
||
{
|
||
// 读取额外数据的大小
|
||
WORD cbExtraBytes = 0L;
|
||
if (mmioRead(_hmmio, (CHAR*)&cbExtraBytes, sizeof(WORD)) != sizeof(WORD))
|
||
return TraceError(L"mmioRead");
|
||
|
||
_wfx = (WAVEFORMATEX*) new (std::nothrow) CHAR[sizeof(WAVEFORMATEX) + cbExtraBytes];
|
||
|
||
// 拷贝数据
|
||
memcpy(_wfx, &pcmWaveFormat, sizeof(pcmWaveFormat));
|
||
_wfx->cbSize = cbExtraBytes;
|
||
|
||
// 读取额外数据
|
||
if (mmioRead(_hmmio, (CHAR*)(((BYTE*)&(_wfx->cbSize)) + sizeof(WORD)),
|
||
cbExtraBytes) != cbExtraBytes)
|
||
{
|
||
SAFE_DELETE(_wfx);
|
||
return TraceError(L"mmioRead");
|
||
}
|
||
}
|
||
|
||
if (0 != mmioAscend(_hmmio, &ckIn, 0))
|
||
{
|
||
SAFE_DELETE(_wfx);
|
||
return TraceError(L"mmioAscend");
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
bool e2d::Music::_resetFile()
|
||
{
|
||
// Seek to the data
|
||
if (-1 == mmioSeek(_hmmio, _ckRiff.dwDataOffset + sizeof(FOURCC),
|
||
SEEK_SET))
|
||
return TraceError(L"mmioSeek");
|
||
|
||
// Search the input file for the 'data' chunk.
|
||
_ck.ckid = mmioFOURCC('d', 'a', 't', 'a');
|
||
if (0 != mmioDescend(_hmmio, &_ck, &_ckRiff, MMIO_FINDCHUNK))
|
||
return TraceError(L"mmioDescend");
|
||
|
||
return true;
|
||
}
|
||
|
||
bool e2d::Music::_read(BYTE* pBuffer, DWORD dwSizeToRead)
|
||
{
|
||
MMIOINFO mmioinfoIn; // current status of _hmmio
|
||
|
||
if (0 != mmioGetInfo(_hmmio, &mmioinfoIn, 0))
|
||
return TraceError(L"mmioGetInfo");
|
||
|
||
UINT cbDataIn = dwSizeToRead;
|
||
if (cbDataIn > _ck.cksize)
|
||
cbDataIn = _ck.cksize;
|
||
|
||
_ck.cksize -= cbDataIn;
|
||
|
||
for (DWORD cT = 0; cT < cbDataIn; ++cT)
|
||
{
|
||
// Copy the bytes from the io to the buffer.
|
||
if (mmioinfoIn.pchNext == mmioinfoIn.pchEndRead)
|
||
{
|
||
if (0 != mmioAdvance(_hmmio, &mmioinfoIn, MMIO_READ))
|
||
return TraceError(L"mmioAdvance");
|
||
|
||
if (mmioinfoIn.pchNext == mmioinfoIn.pchEndRead)
|
||
return TraceError(L"mmioinfoIn.pchNext");
|
||
}
|
||
|
||
// Actual copy.
|
||
*((BYTE*)pBuffer + cT) = *((BYTE*)mmioinfoIn.pchNext);
|
||
++mmioinfoIn.pchNext;
|
||
}
|
||
|
||
if (0 != mmioSetInfo(_hmmio, &mmioinfoIn, 0))
|
||
return TraceError(L"mmioSetInfo");
|
||
|
||
return true;
|
||
}
|
||
|
||
bool e2d::Music::_findMediaFileCch(wchar_t* strDestPath, int cchDest, const wchar_t * strFilename)
|
||
{
|
||
bool bFound = false;
|
||
|
||
if (nullptr == strFilename || nullptr == strDestPath || cchDest < 10)
|
||
return false;
|
||
|
||
// Get the exe name, and exe path
|
||
wchar_t strExePath[MAX_PATH] = { 0 };
|
||
wchar_t strExeName[MAX_PATH] = { 0 };
|
||
wchar_t* strLastSlash = nullptr;
|
||
GetModuleFileName(HINST_THISCOMPONENT, strExePath, MAX_PATH);
|
||
strExePath[MAX_PATH - 1] = 0;
|
||
strLastSlash = wcsrchr(strExePath, TEXT('\\'));
|
||
if (strLastSlash)
|
||
{
|
||
wcscpy_s(strExeName, MAX_PATH, &strLastSlash[1]);
|
||
|
||
// Chop the exe name from the exe path
|
||
*strLastSlash = 0;
|
||
|
||
// Chop the .exe from the exe name
|
||
strLastSlash = wcsrchr(strExeName, TEXT('.'));
|
||
if (strLastSlash)
|
||
*strLastSlash = 0;
|
||
}
|
||
|
||
wcscpy_s(strDestPath, cchDest, strFilename);
|
||
if (GetFileAttributes(strDestPath) != 0xFFFFFFFF)
|
||
return true;
|
||
|
||
// Search all parent directories starting at .\ and using strFilename as the leaf name
|
||
wchar_t strLeafName[MAX_PATH] = { 0 };
|
||
wcscpy_s(strLeafName, MAX_PATH, strFilename);
|
||
|
||
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;
|
||
|
||
// 失败时，将文件作为路径返回，同时也返回错误代码
|
||
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);
|
||
} |