消除了类型转换时的一些警告

This commit is contained in:
Nomango 2017-10-08 19:13:52 +08:00
parent 1b026cd02b
commit 9fc1483b19
1 changed files with 3 additions and 3 deletions

View File

@ -62,7 +62,7 @@ void MciPlayer::open(TString pFileName, UINT uId)
// 设置 MCI_OPEN_PARMS 参数
MCI_OPEN_PARMS mciOpen = { 0 };
mciOpen.lpstrDeviceType = (LPCTSTR)MCI_ALL_DEVICE_ID;
mciOpen.lpstrDeviceType = (LPCTSTR)-1; // device ID for "all devices"
mciOpen.lpstrElementName = pFileName.c_str();
// 打开这个文件
@ -133,7 +133,7 @@ void MciPlayer::resume()
_sendCommand(MCI_STATUS, MCI_STATUS_ITEM, reinterpret_cast<DWORD_PTR>(&mciStatusParms));
// 设置播放起始位置,并开始播放
MCI_PLAY_PARMS mciPlayParms;
mciPlayParms.dwFrom = mciStatusParms.dwReturn;
mciPlayParms.dwFrom = (DWORD)mciStatusParms.dwReturn;
_sendCommand(MCI_PLAY, MCI_FROM, reinterpret_cast<DWORD_PTR>(&mciPlayParms));
}
else
@ -171,7 +171,7 @@ void MciPlayer::setVolume(float volume)
MCI_DGV_SETAUDIO_PARMS mciSetAudioPara = { 0 };
mciSetAudioPara.dwItem = MCI_DGV_SETAUDIO_VOLUME;
mciSetAudioPara.dwValue = DWORD(1000 * volume);
mciSendCommand(m_dev, MCI_SETAUDIO, MCI_DGV_SETAUDIO_VALUE | MCI_DGV_SETAUDIO_ITEM, (DWORD)(LPVOID)&mciSetAudioPara);
mciSendCommand(m_dev, MCI_SETAUDIO, MCI_DGV_SETAUDIO_VALUE | MCI_DGV_SETAUDIO_ITEM, (DWORD_PTR)&mciSetAudioPara);
}
bool MciPlayer::isPlaying()