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QuicktimeGraph.cpp：源码内容
							/* 
 *	Copyright (C) 2003-2006 Gabest
 *	http://www.gabest.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *   
 *  This Program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *   
 *  You should have received a copy of the GNU General Public License
 *  along with GNU Make; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */
#include "stdafx.h"
#include <math.h>
#include "QuicktimeGraph.h"
#include "IQTVideoSurface.h"
#include "mplayerc.h"
#include "....DSUtilDSUtil.h"
//
// CQuicktimeGraph
//
#pragma warning(disable:4355) // 'this' : used in base member initializer list
using namespace QT;
CQuicktimeGraph::CQuicktimeGraph(HWND hWndParent, HRESULT& hr)
	: CBaseGraph()
	, m_wndDestFrame(this)
	, m_fQtInitialized(false)
{
	hr = S_OK;
	DWORD dwStyle = WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|WS_CLIPCHILDREN;
	AppSettings& s = AfxGetAppSettings();
	if(s.iQTVideoRendererType == VIDRNDT_QT_DX7)
	{
		if(SUCCEEDED(CreateAP7(CLSID_QT7AllocatorPresenter, hWndParent, &m_pQTAP))) 
			dwStyle &= ~WS_VISIBLE;
	}
	else if(s.iQTVideoRendererType == VIDRNDT_QT_DX9)
	{
		if(SUCCEEDED(CreateAP9(CLSID_QT9AllocatorPresenter, hWndParent, &m_pQTAP))) 
            dwStyle &= ~WS_VISIBLE;
	}
	m_fQtInitialized = false;
	if(InitializeQTML(0) != 0) {hr = E_FAIL; return;}
	if(EnterMovies() != 0) {TerminateQTML(); hr = E_FAIL; return;}
	m_fQtInitialized = true;
	if(!m_wndWindowFrame.CreateEx(WS_EX_NOPARENTNOTIFY, NULL, NULL, dwStyle, CRect(0, 0, 0, 0), CWnd::FromHandle(hWndParent), 0))
	{
		hr = E_FAIL;
		return;
	}
	if(!m_wndDestFrame.Create(NULL, NULL, dwStyle, CRect(0, 0, 0, 0), &m_wndWindowFrame, 0))
	{
		hr = E_FAIL;
		return;
	}
}
CQuicktimeGraph::~CQuicktimeGraph()
{
	m_wndDestFrame.DestroyWindow();
	m_wndWindowFrame.DestroyWindow();
	if(m_fQtInitialized)
	{
		ExitMovies();
		TerminateQTML();
	}
}
STDMETHODIMP CQuicktimeGraph::NonDelegatingQueryInterface(REFIID riid, void** ppv)
{
    CheckPointer(ppv, E_POINTER);
	return 
		QI(IVideoFrameStep)
		(m_pQTAP && (riid == __uuidof(ISubPicAllocatorPresenter) || riid == __uuidof(IQTVideoSurface))) ? m_pQTAP->QueryInterface(riid, ppv) : 
		__super::NonDelegatingQueryInterface(riid, ppv);
}
// IGraphBuilder
STDMETHODIMP CQuicktimeGraph::RenderFile(LPCWSTR lpcwstrFile, LPCWSTR lpcwstrPlayList)
{
	bool fRet = m_wndDestFrame.OpenMovie(CString(lpcwstrFile));
	if(fRet)
	{
		for(int i = 1, cnt = GetMovieTrackCount(m_wndDestFrame.theMovie); i <= cnt; i++)
		{
			Track aTrack = GetMovieIndTrack(m_wndDestFrame.theMovie, i);
			Media aMedia = GetTrackMedia(aTrack);
			OSType aTrackType;
			GetMediaHandlerDescription(aMedia, &aTrackType, 0, 0);
			if(aTrackType == SoundMediaType)
			{
				SampleDescriptionHandle aDesc = (SampleDescriptionHandle)NewHandle(sizeof(aDesc));
				GetMediaSampleDescription(aMedia, 1, aDesc);
				if(GetMoviesError() == noErr)
				{
					SoundDescription& desc = **(SoundDescriptionHandle)aDesc;
					NotifyEvent(EC_BG_AUDIO_CHANGED, desc.numChannels, 0);
					i = cnt;
				}
				DisposeHandle((Handle)aDesc);
			}
		}
	}
	return fRet ? S_OK : E_FAIL;
}
// IMediaControl
STDMETHODIMP CQuicktimeGraph::Run()
{
	m_wndDestFrame.Run();
	return S_OK;
}
STDMETHODIMP CQuicktimeGraph::Pause()
{	
	m_wndDestFrame.Pause();
	return S_OK;
}
STDMETHODIMP CQuicktimeGraph::Stop()
{
	m_wndDestFrame.Stop();
	return S_OK;
}
STDMETHODIMP CQuicktimeGraph::GetState(LONG msTimeout, OAFilterState* pfs)
{
	// TODO: this seems to deadlock when opening from the net
	return pfs ? *pfs = m_wndDestFrame.GetState(), S_OK : E_POINTER;
}
// IMediaSeeking
STDMETHODIMP CQuicktimeGraph::GetDuration(LONGLONG* pDuration)
{
	CheckPointer(pDuration, E_POINTER);
	*pDuration = 0;
	if(!m_wndDestFrame.theMovie) return E_UNEXPECTED;
	TimeScale ts = GetMovieTimeScale(m_wndDestFrame.theMovie);
	if(ts == 0) return E_FAIL;
	*pDuration = 10000i64*GetMovieDuration(m_wndDestFrame.theMovie)/ts*1000;
	return S_OK;
}
STDMETHODIMP CQuicktimeGraph::GetCurrentPosition(LONGLONG* pCurrent)
{
	CheckPointer(pCurrent, E_POINTER);
	*pCurrent = 0;
	if(!m_wndDestFrame.theMovie) return E_UNEXPECTED;
	TimeScale ts = GetMovieTimeScale(m_wndDestFrame.theMovie);
	if(ts == 0) return E_FAIL;
	TimeRecord tr;
	*pCurrent = 10000i64*GetMovieTime(m_wndDestFrame.theMovie, &tr)/ts*1000;
	return S_OK;
}
STDMETHODIMP CQuicktimeGraph::SetPositions(LONGLONG* pCurrent, DWORD dwCurrentFlags, LONGLONG* pStop, DWORD dwStopFlags)
{
	CheckPointer(pCurrent, E_POINTER);
	if(!(dwCurrentFlags&AM_SEEKING_AbsolutePositioning)) return E_INVALIDARG;
	if(!m_wndDestFrame.theMovie) return E_UNEXPECTED;
	TimeScale ts = GetMovieTimeScale(m_wndDestFrame.theMovie);
	if(ts == 0) return E_FAIL;
	SetMovieTimeValue(m_wndDestFrame.theMovie, (TimeValue)(*pCurrent*ts/1000/10000i64));
	if(!m_wndDestFrame.theMC) 
	{
		UpdateMovie(m_wndDestFrame.theMovie);
		MoviesTask(m_wndDestFrame.theMovie, 0L);
	}
	return S_OK;
}
STDMETHODIMP CQuicktimeGraph::SetRate(double dRate)
{
	return m_wndDestFrame.theMovie ? SetMovieRate(m_wndDestFrame.theMovie, (Fixed)(dRate * 0x10000)), S_OK : E_UNEXPECTED;
}
STDMETHODIMP CQuicktimeGraph::GetRate(double* pdRate)
{
	CheckPointer(pdRate, E_POINTER);
	*pdRate = 1.0;
	return m_wndDestFrame.theMovie ? *pdRate = (double)GetMovieRate(m_wndDestFrame.theMovie) / 0x10000, S_OK : E_UNEXPECTED;
}
// IVideoWindow
STDMETHODIMP CQuicktimeGraph::SetWindowPosition(long Left, long Top, long Width, long Height)
{
	if(IsWindow(m_wndWindowFrame.m_hWnd))
		m_wndWindowFrame.MoveWindow(Left, Top, Width, Height);
	return S_OK;
}
// IBasicVideo
STDMETHODIMP CQuicktimeGraph::SetDestinationPosition(long Left, long Top, long Width, long Height)// {return E_NOTIMPL;}
{
	if(!m_pQTAP && IsWindow(m_wndDestFrame.m_hWnd))
	{
		m_wndDestFrame.MoveWindow(Left, Top, Width, Height);
		if(m_wndDestFrame.theMC)
		{
			Rect bounds = {0,0,(short)Height,(short)Width};
			MCPositionController(m_wndDestFrame.theMC, &bounds, NULL, mcTopLeftMovie|mcScaleMovieToFit);
		}
	}
	return S_OK;
}
STDMETHODIMP CQuicktimeGraph::GetVideoSize(long* pWidth, long* pHeight)
{
	if(!pWidth || !pHeight) return E_POINTER;
	*pWidth = m_wndDestFrame.m_size.cx;
	*pHeight = m_wndDestFrame.m_size.cy;
	return S_OK;
}
// IBasicAudio
STDMETHODIMP CQuicktimeGraph::put_Volume(long lVolume)
{
	if(m_wndDestFrame.theMovie)
	{
		lVolume = (lVolume == -10000) ? 0 : (int)pow(10.0, (double)lVolume/4152.41 + 2.41);
		SetMovieVolume(m_wndDestFrame.theMovie, (short)max(min(lVolume, 256), 0));
		return S_OK;
	}
	return E_UNEXPECTED;
}
STDMETHODIMP CQuicktimeGraph::get_Volume(long* plVolume)
{
	CheckPointer(plVolume, E_POINTER);
	if(m_wndDestFrame.theMovie)
	{
		long lVolume = (long)GetMovieVolume(m_wndDestFrame.theMovie);
		*plVolume = (int)((log10(1.0*lVolume)-2.41)*4152.41);
		*plVolume = max(min(*plVolume, 0), -10000);
		return S_OK;
	}
	return E_UNEXPECTED;
}
// IVideoFrameStep
STDMETHODIMP CQuicktimeGraph::Step(DWORD dwFrames, IUnknown* pStepObject)
{
	if(pStepObject) return E_INVALIDARG;
	if(dwFrames == 0) return S_OK;
	if(!m_wndDestFrame.theMovie) return E_UNEXPECTED;
	// w/o m_wndDestFrame.theMC
	OSType myTypes[] = {VisualMediaCharacteristic};
	TimeValue myCurrTime = GetMovieTime(m_wndDestFrame.theMovie, NULL);
	Fixed theRate = (int)dwFrames > 0 ? 0x00010000 : 0xffff0000;
	for(int nSteps = abs((int)dwFrames); nSteps > 0; nSteps--)
	{
		TimeValue myNextTime;
		GetMovieNextInterestingTime(m_wndDestFrame.theMovie, nextTimeStep, 1, myTypes, myCurrTime, theRate, &myNextTime, NULL);
		if(GetMoviesError() != noErr) return E_FAIL;
		myCurrTime = myNextTime;
	}
	if(myCurrTime >= 0 && myCurrTime < GetMovieDuration(m_wndDestFrame.theMovie))
	{
        SetMovieTimeValue(m_wndDestFrame.theMovie, myCurrTime);
		if(GetMoviesError() != noErr) return E_FAIL;
		// the rest is not needed when we also have m_wndDestFrame.theMC:
		UpdateMovie(m_wndDestFrame.theMovie);
		if(GetMoviesError() != noErr) return E_FAIL;
		MoviesTask(m_wndDestFrame.theMovie, 0L);
	}
	NotifyEvent(EC_STEP_COMPLETE);
	return S_OK;
/*
	// w/ m_wndDestFrame.theMC
	short myStep = (short)(long)dwFrames;
	return noErr == MCDoAction(m_wndDestFrame.theMC, mcActionStep, (Ptr)myStep)
		? NotifyEvent(EC_STEP_COMPLETE), S_OK : E_FAIL;
*/
}
STDMETHODIMP CQuicktimeGraph::CanStep(long bMultiple, IUnknown* pStepObject)
{
	return m_wndDestFrame.theMovie ? S_OK : S_FALSE;
}
STDMETHODIMP CQuicktimeGraph::CancelStep()
{
	return E_NOTIMPL;
}
// IGraphEngine
STDMETHODIMP_(engine_t) CQuicktimeGraph::GetEngine() {return QuickTime;}
//
// CQuicktimeWindow
//
CQuicktimeWindow::CQuicktimeWindow(CQuicktimeGraph* pGraph)
	: m_pGraph(pGraph)
	, theMovie(NULL)
	, theMC(NULL)
	, m_size(0, 0)
	, m_idEndPoller(0)
	, m_fs(State_Stopped)
	, m_offscreenGWorld(NULL)
{
}
void CQuicktimeWindow::ProcessMovieEvent(unsigned int message, unsigned int wParam, long lParam) 
{	
	if(message >= WM_MOUSEFIRST && message <= WM_MOUSELAST
	|| message >= WM_KEYFIRST && message <= WM_KEYLAST)
		return;
	// Convert the Windows event to a QTML event
	MSG				theMsg;
	EventRecord		macEvent;
	LONG			thePoints = GetMessagePos();
	theMsg.hwnd = m_hWnd;
	theMsg.message = message;
	theMsg.wParam = wParam;
	theMsg.lParam = lParam;
	theMsg.time = GetMessageTime();
	theMsg.pt.x = LOWORD(thePoints);
	theMsg.pt.y = HIWORD(thePoints);
	// tranlate a windows event to a mac event
	WinEventToMacEvent(&theMsg, &macEvent);
	// Pump messages as mac event
	MCIsPlayerEvent(theMC, (const EventRecord*)&macEvent);
}
LRESULT CQuicktimeWindow::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
	if(message == WM_ERASEBKGND)
	{
		LRESULT theResult = __super::WindowProc(message, wParam, lParam);
		ProcessMovieEvent(message, wParam, lParam);	
		return theResult;
	}
	else
	{
		ProcessMovieEvent(message, wParam, lParam);
		return __super::WindowProc(message, wParam, lParam);
	}
}
OSErr CQuicktimeWindow::MyMovieDrawingCompleteProc(Movie theMovie, long refCon)
{
	CQuicktimeWindow* pQW = (CQuicktimeWindow*)refCon;
	if(!pQW) return noErr;
	CQuicktimeGraph* pGraph = pQW->m_pGraph;
	if(!pGraph) return noErr;
	if(CComQIPtr<IQTVideoSurface> pQTVS = (IUnknown*)(INonDelegatingUnknown*)pGraph)
	{
		BITMAP bm;
		pQW->m_bm.GetObject(sizeof(bm), &bm);
		pQTVS->DoBlt(bm);
	}
	/*
	else
	{
		pQW->Invalidate();
	}*/
	return(noErr);
}
bool CQuicktimeWindow::OpenMovie(CString fn)
{
	CloseMovie();
	CComQIPtr<IQTVideoSurface> pQTVS = (IUnknown*)(INonDelegatingUnknown*)m_pGraph;
	if(!pQTVS)
	{
		// Set the port	
		SetGWorld((CGrafPtr)GetHWNDPort(m_hWnd), NULL);
	}
	if(fn.Find(_T("://")) > 0)
	{
		Handle myHandle = NULL;
		Size mySize = fn.GetLength()+1;
		if(!(myHandle = NewHandleClear(mySize)))
			return(false);
		BlockMove((LPSTR)(LPCSTR)CStringA(fn), *myHandle, mySize);
        OSErr err = NewMovieFromDataRef(&theMovie, newMovieActive, NULL, myHandle, URLDataHandlerSubType);
		DisposeHandle(myHandle);
		if(err != noErr) return(false);
	}
	else
	{
		if(!(fn.GetLength() > 0 && fn.GetLength() < 255))
			return(false);
		CHAR buff[MAX_PATH] = {0, 0};
#ifdef UNICODE
		WideCharToMultiByte(GetACP(), 0, fn, -1, buff+1, MAX_PATH-1, 0, 0);
#else
		strcpy(buff+1, fn);
#endif
		buff[0] = strlen(buff+1);
		// Make a FSSpec with a pascal string filename
		FSSpec sfFile;
		FSMakeFSSpec(0, 0L, (BYTE*)buff, &sfFile);
		// Open the movie file
		short movieResFile;
		OSErr err = OpenMovieFile(&sfFile, &movieResFile, fsRdPerm);
		if(err == noErr)
		{
			err = NewMovieFromFile(&theMovie, movieResFile, 0, 0, newMovieActive, 0);
			CloseMovieFile(movieResFile);
		}
		if(err != noErr) return(false);
	}
	Rect rect;
	GetMovieBox(theMovie, &rect);
	MacOffsetRect(&rect, -rect.left, -rect.top);
	SetMovieBox(theMovie, &rect);
	m_size.SetSize(rect.right - rect.left, rect.bottom - rect.top);
	Rect nrect;
	GetMovieNaturalBoundsRect(theMovie, &nrect);
	if(!pQTVS)
	{
		theMC = NewMovieController(theMovie, &rect, mcTopLeftMovie|mcNotVisible);
	}
	else if(m_size.cx > 0 && m_size.cy > 0)
	{
		SetMovieDrawingCompleteProc(theMovie, 
			movieDrawingCallWhenChanged,//|movieDrawingCallAlways, 
			MyMovieDrawingCompleteProc, (long)this);
		if(CDC* pDC = GetDC())
		{
			m_dc.CreateCompatibleDC(pDC);
			ReleaseDC(pDC);
			struct
			{   
				BITMAPINFOHEADER bmiHeader;
				long bmiColors[256];
			} bmi;
			memset(&bmi, 0, sizeof(bmi));
			int bpp = m_dc.GetDeviceCaps(BITSPIXEL);
			bmi.bmiHeader.biSize		= sizeof(BITMAPINFOHEADER);
			bmi.bmiHeader.biCompression	= BI_BITFIELDS/*BI_RGB*/;
			bmi.bmiHeader.biWidth		= m_size.cx;
			bmi.bmiHeader.biHeight		= -m_size.cy;
			bmi.bmiHeader.biPlanes		= 1;
			bmi.bmiHeader.biBitCount	= 32/*bpp*/;
			bmi.bmiColors[0] = /*bpp == 16 ? 0xf800 :*/ 0xff0000;
			bmi.bmiColors[1] = /*bpp == 16 ? 0x07e0 :*/ 0x00ff00;
			bmi.bmiColors[2] = /*bpp == 16 ? 0x001f :*/ 0x0000ff;
			void* bits;
			m_bm.Attach(CreateDIBSection(m_dc, (BITMAPINFO*)&bmi, DIB_RGB_COLORS, &bits, NULL, 0));
			QDErr err = NewGWorldFromHBITMAP(&m_offscreenGWorld, NULL, NULL, 0, m_bm.m_hObject, m_dc.m_hDC);
			SetMovieGWorld(theMovie, m_offscreenGWorld, GetGWorldDevice(m_offscreenGWorld));
			BITMAP bm;
			m_bm.GetObject(sizeof(bm), &bm);
			pQTVS->BeginBlt(bm);
		}
	}
	return(theMovie != NULL);
}
void CQuicktimeWindow::CloseMovie()
{
	if(theMC) DisposeMovieController(theMC), theMC = NULL;
	if(theMovie) DisposeMovie(theMovie), theMovie = NULL;
	m_size.SetSize(0, 0);
	m_fs = State_Stopped;
	if(m_offscreenGWorld) DisposeGWorld(m_offscreenGWorld), m_offscreenGWorld = NULL;
	m_dc.DeleteDC();
	m_bm.DeleteObject();
}
void CQuicktimeWindow::Run()
{
	if(theMovie)
	{
		StartMovie(theMovie);
		if(!m_idEndPoller) m_idEndPoller = SetTimer(1, 10, NULL); // 10ms -> 100fps max
	}
	m_fs = State_Running;
}
void CQuicktimeWindow::Pause()
{
	if(theMovie)
	{
		StopMovie(theMovie);
		if(m_idEndPoller) KillTimer(m_idEndPoller), m_idEndPoller = 0;
	}
	m_fs = State_Paused;	
}
void CQuicktimeWindow::Stop()
{
	if(theMovie)
	{
		StopMovie(theMovie);
		GoToBeginningOfMovie(theMovie);
		if(m_idEndPoller) KillTimer(m_idEndPoller), m_idEndPoller = 0;
	}
	m_fs = State_Stopped;
}
FILTER_STATE CQuicktimeWindow::GetState()
{
	return m_fs;
}
BEGIN_MESSAGE_MAP(CQuicktimeWindow, CPlayerWindow)
	ON_WM_CREATE()
	ON_WM_DESTROY()
	ON_WM_ERASEBKGND()
	ON_WM_TIMER()
END_MESSAGE_MAP()
int CQuicktimeWindow::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if(__super::OnCreate(lpCreateStruct) == -1)
		return -1;
	CComQIPtr<IQTVideoSurface> pQTVS = (IUnknown*)(INonDelegatingUnknown*)m_pGraph;
	if(!pQTVS)
	{
		// Create GrafPort <-> HWND association
		CreatePortAssociation(m_hWnd, NULL, 0);
	}
	return 0;
}
void CQuicktimeWindow::OnDestroy()
{
	CPlayerWindow::OnDestroy();
	// close any movies	before destroying PortAssocation
	CloseMovie();
	CComQIPtr<IQTVideoSurface> pQTVS = (IUnknown*)(INonDelegatingUnknown*)m_pGraph;
	if(!pQTVS)
	{
		// Destroy the view's GrafPort <-> HWND association
		if(m_hWnd)
			if(CGrafPtr windowPort = (CGrafPtr)GetHWNDPort(m_hWnd))
				DestroyPortAssociation(windowPort);
	}
}
BOOL CQuicktimeWindow::OnEraseBkgnd(CDC* pDC)
{
	return m_fs != State_Stopped && theMovie ? TRUE : __super::OnEraseBkgnd(pDC);
}
void CQuicktimeWindow::OnTimer(UINT nIDEvent)
{
	if(nIDEvent == m_idEndPoller && theMovie)
	{
		if(IsMovieDone(theMovie))
		{
			Pause();
			m_pGraph->NotifyEvent(EC_COMPLETE);
		}
		else if(CComQIPtr<IQTVideoSurface> pQTVS = (IUnknown*)(INonDelegatingUnknown*)m_pGraph)
		{
            MoviesTask(theMovie, 0);
/*
			long duration = 0, scale = 1000;
			OSErr err = QTGetTimeUntilNextTask(&duration, scale);
			// err is 0 but still doesn't seem to work... returns duration=0 always
			TRACE(_T("%dn"), duration);
			KillTimer(m_idEndPoller);
			m_idEndPoller = SetTimer(m_idEndPoller, duration, NULL);
*/
		}
	}
	__super::OnTimer(nIDEvent);
}

						