bool CXadillaXVideoPlayer::Stop()
{
{
LockScope oScope(m_CS);
/** 若未载入 */
/** If not loaded */
if(!m_bLoaded)
{
return false;
}
/** 若已暂停 */
/** If paused of stopped */
if(m_bStopped)
{
return true;
}
if(m_pMediaControl == NULL)
{
return true;
}
m_nCurPlayID = -1;
}
__Release();
return true;
}
SQBool sq_release(HSQUIRRELVM v,HSQOBJECT *po)
{
if(!ISREFCOUNTED(type(*po))) return SQTrue;
#ifdef NO_GARBAGE_COLLECTOR
__Release(po->_type,po->_unVal);
return SQFalse; //the ret val doesn't work(and cannot be fixed)
#else
return _ss(v)->_refs_table.Release(*po);
#endif
}
SQBool sq_release(HSQUIRRELVM v,HSQOBJECT *po)
{
if(!ISREFCOUNTED(sqobjtype(*po))) return SQTrue;
#ifdef NO_GARBAGE_COLLECTOR
bool ret = (po->_unVal.pRefCounted->_uiRef <= 1) ? SQTrue : SQFalse;
__Release(po->_type,po->_unVal);
return ret; //the ret val doesn't work(and cannot be fixed)
#else
return _ss(v)->_refs_table.Release(*po);
#endif
}
void SQVM::ClearStack(SQInteger last_top)
{
SQObjectType tOldType;
SQObjectValue unOldVal;
while (last_top >= _top) {
SQObjectPtr &o = _stack._vals[last_top--];
tOldType = o._type;
unOldVal = o._unVal;
o._type = OT_NULL;
o._unVal.pUserPointer = NULL;
__Release(tOldType,unOldVal);
}
}
CXadillaXVideoPlayer::~CXadillaXVideoPlayer()
{
/** 进入全局临界区 */
/** Go into the "global" critical section */
LockScope oScope(_cs);
/** 从播放器列表中删除自己（线程中会用到） */
/** delete itself from the player list. (because it will be used by thread) */
_pPlayer[m_nPlayerID] = NULL;
/** 释放资源 */
/** release resources */
__Release();
/** 退出全局临界区 */
/** leave critical section */
}
bool CXadillaXVideoPlayer::LoadFile(const char* filename, RECT rect, HWND hWnd, bool bLoop)
{
/** 释放上一次资源 */
/** release the resource of previous time */
__Release();
LockScope oScope(m_CS);
/** 创建Graph */
/** create the graph */
CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IGraphBuilder, (void**)&m_pGraph);
/** 初始化m_pGraph */
/** init the graph */
m_pGraph->QueryInterface(IID_IVideoWindow, (void**)&m_pVidWnd);
m_pGraph->QueryInterface(IID_IMediaEventEx, (void**)&m_pEvent);
m_pEvent->SetNotifyWindow((OAHWND)hWnd, WM_GRAPHNOTIFY, 0);
m_pGraph->QueryInterface(IID_IMediaControl, (void**)&m_pMediaControl);
/** 载入文件 */
/** load file */
m_hWnd = hWnd;
WCHAR szFilename[1024];
memcpy(szFilename, CA2WEX<1024>(filename), sizeof(szFilename));
HRESULT hRes = m_pGraph->RenderFile(szFilename, NULL);
/** 载入失败 */
/** load failed */
if(hRes != S_OK && hRes != VFW_S_AUDIO_NOT_RENDERED && hRes != VFW_S_DUPLICATE_NAME &&
hRes != VFW_S_PARTIAL_RENDER && hRes != VFW_S_VIDEO_NOT_RENDERED)
{
m_bLoaded = false;
m_pVidWnd->put_Visible(OAFALSE);
m_pGraph->Release();
m_pMediaControl->Release();
m_pVidWnd->Release();
m_pEvent->Release();
m_pVidWnd = NULL;
m_pGraph = NULL;
m_pMediaControl = NULL;
m_pEvent = NULL;
return false;
}
/** 播放窗口位置 */
/** position of the player window */
m_pVidWnd->SetWindowPosition(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
m_pVidWnd->put_Owner((OAHWND)hWnd);
m_pVidWnd->put_WindowStyle(WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN);
m_bPlaying = true;
m_bStopped = false;
m_bLoop = bLoop;
m_tagRect = rect;
strcpy(m_szFilename, filename);
m_bLoaded = true;
m_nCurPlayID = -1;
/** 刷新窗口，解决播放时黑屏问题 */
GetClientRect(hWnd, &rect);
InvalidateRect(hWnd, &rect, TRUE);
return true;
}
