axmol/cocos/audio/win32/MciPlayer.cpp

236 lines
6.8 KiB
C++

#include "MciPlayer.h"
#include <tchar.h>
#include "platform/CCFileUtils.h"
#define WIN_CLASS_NAME "CocosDenshionCallbackWnd"
#define BREAK_IF(cond) if (cond) break;
namespace CocosDenshion {
static HINSTANCE s_hInstance;
static MCIERROR s_mciError;
LRESULT WINAPI _SoundPlayProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
MciPlayer::MciPlayer()
: _wnd(NULL)
, _dev(0L)
, _soundID(0)
, _times(0)
, _playing(false)
, strExt("")
{
if (! s_hInstance)
{
s_hInstance = GetModuleHandle( NULL ); // Grab An Instance For Our Window
WNDCLASS wc; // Windows Class Structure
// Redraw On Size, And Own DC For Window.
wc.style = 0;
wc.lpfnWndProc = _SoundPlayProc; // WndProc Handles Messages
wc.cbClsExtra = 0; // No Extra Window Data
wc.cbWndExtra = 0; // No Extra Window Data
wc.hInstance = s_hInstance; // Set The Instance
wc.hIcon = 0; // Load The Default Icon
wc.hCursor = LoadCursor( NULL, IDC_ARROW ); // Load The Arrow Pointer
wc.hbrBackground = NULL; // No Background Required For GL
wc.lpszMenuName = NULL; // We Don't Want A Menu
wc.lpszClassName = _T(WIN_CLASS_NAME); // Set The Class Name
if (! RegisterClass(&wc)
&& 1410 != GetLastError())
{
return;
}
}
_wnd = CreateWindowEx(
WS_EX_APPWINDOW, // Extended Style For The Window
_T(WIN_CLASS_NAME), // Class Name
NULL, // Window Title
WS_POPUPWINDOW,/*WS_OVERLAPPEDWINDOW*/ // Defined Window Style
0, 0, // Window Position
0, // Window Width
0, // Window Height
NULL, // No Parent Window
NULL, // No Menu
s_hInstance, // Instance
NULL );
if (_wnd)
{
SetWindowLongPtr(_wnd, GWLP_USERDATA, (LONG_PTR)this);
}
}
MciPlayer::~MciPlayer()
{
Close();
DestroyWindow(_wnd);
}
void MciPlayer::Open(const char* pFileName, UINT uId)
{
// WCHAR * pBuf = NULL;
do
{
BREAK_IF(! pFileName || ! _wnd);
int nLen = (int)strlen(pFileName);
BREAK_IF(! nLen);
// pBuf = new WCHAR[nLen + 1];
// BREAK_IF(! pBuf);
// MultiByteToWideChar(CP_ACP, 0, pFileName, nLen + 1, pBuf, nLen + 1);
strExt = cocos2d::FileUtils::getInstance()->getFileExtension(pFileName);
Close();
MCI_OPEN_PARMS mciOpen = {0};
MCIERROR mciError;
mciOpen.lpstrDeviceType = (LPCTSTR)MCI_ALL_DEVICE_ID;
WCHAR* fileNameWideChar = new WCHAR[nLen + 1];
BREAK_IF(! fileNameWideChar);
MultiByteToWideChar(CP_ACP, 0, pFileName, nLen + 1, fileNameWideChar, nLen + 1);
mciOpen.lpstrElementName = fileNameWideChar;
mciError = mciSendCommand(0,MCI_OPEN, MCI_OPEN_ELEMENT, reinterpret_cast<DWORD_PTR>(&mciOpen));
CC_SAFE_DELETE_ARRAY(mciOpen.lpstrElementName);
BREAK_IF(mciError);
_dev = mciOpen.wDeviceID;
_soundID = uId;
_playing = false;
} while (0);
}
void MciPlayer::Play(UINT uTimes /* = 1 */)
{
if (! _dev)
{
return;
}
MCI_PLAY_PARMS mciPlay = {0};
mciPlay.dwCallback = reinterpret_cast<DWORD_PTR>(_wnd);
s_mciError = mciSendCommand(_dev,MCI_PLAY, MCI_FROM|MCI_NOTIFY,reinterpret_cast<DWORD_PTR>(&mciPlay));
if (! s_mciError)
{
_playing = true;
_times = uTimes;
}
}
void MciPlayer::Close()
{
if (_playing)
{
Stop();
}
if (_dev)
{
_SendGenericCommand(MCI_CLOSE);
}
_dev = 0;
_playing = false;
}
void MciPlayer::Pause()
{
_SendGenericCommand(MCI_PAUSE);
}
void MciPlayer::Resume()
{
if (strExt == ".mid")
{
// midi not supprt MCI_RESUME, should get the position and use MCI_FROM
MCI_STATUS_PARMS mciStatusParms;
MCI_PLAY_PARMS mciPlayParms;
mciStatusParms.dwItem = MCI_STATUS_POSITION;
_SendGenericCommand(MCI_STATUS, MCI_STATUS_ITEM, reinterpret_cast<DWORD_PTR>(&mciStatusParms)); // MCI_STATUS
mciPlayParms.dwFrom = mciStatusParms.dwReturn; // get position
_SendGenericCommand(MCI_PLAY, MCI_FROM, reinterpret_cast<DWORD_PTR>(&mciPlayParms)); // MCI_FROM
}
else
{
_SendGenericCommand(MCI_RESUME);
}
}
void MciPlayer::Stop()
{
_SendGenericCommand(MCI_STOP);
_playing = false;
_times = 0;
}
void MciPlayer::Rewind()
{
if (! _dev)
{
return;
}
mciSendCommand(_dev, MCI_SEEK, MCI_SEEK_TO_START, 0);
MCI_PLAY_PARMS mciPlay = {0};
mciPlay.dwCallback = reinterpret_cast<DWORD_PTR>(_wnd);
_playing = mciSendCommand(_dev, MCI_PLAY, MCI_NOTIFY,reinterpret_cast<DWORD_PTR>(&mciPlay)) ? false : true;
}
bool MciPlayer::IsPlaying()
{
return _playing;
}
UINT MciPlayer::GetSoundID()
{
return _soundID;
}
//////////////////////////////////////////////////////////////////////////
// private member
//////////////////////////////////////////////////////////////////////////
void MciPlayer::_SendGenericCommand( int nCommand, DWORD_PTR param1 /*= 0*/, DWORD_PTR parma2 /*= 0*/ )
{
if (! _dev)
{
return;
}
mciSendCommand(_dev, nCommand, param1, parma2);
}
//////////////////////////////////////////////////////////////////////////
// static function
//////////////////////////////////////////////////////////////////////////
LRESULT WINAPI _SoundPlayProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
MciPlayer * pPlayer = NULL;
if (MM_MCINOTIFY == Msg
&& MCI_NOTIFY_SUCCESSFUL == wParam
&&(pPlayer = (MciPlayer *)GetWindowLongPtr(hWnd, GWLP_USERDATA)))
{
if (pPlayer->_times)
{
--pPlayer->_times;
}
if (pPlayer->_times)
{
mciSendCommand(lParam, MCI_SEEK, MCI_SEEK_TO_START, 0);
MCI_PLAY_PARMS mciPlay = {0};
mciPlay.dwCallback = reinterpret_cast<DWORD_PTR>(hWnd);
mciSendCommand(lParam, MCI_PLAY, MCI_NOTIFY,reinterpret_cast<DWORD_PTR>(&mciPlay));
}
else
{
pPlayer->_playing = false;
}
return 0;
}
return DefWindowProc(hWnd, Msg, wParam, lParam);
}
} // end of namespace CocosDenshion