workaround to call directshow drivers without actually using directshow
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30482 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Ryan Norton
parent
6d3b231a02
commit
5987f174f7
@ -83,6 +83,9 @@ public:
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// wxDXMediaCtrlImpl
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//---------------------------------------------------------------------------
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#undef wxUSE_DIRECTSHOW
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#define wxUSE_DIRECTSHOW 0
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#if wxUSE_DIRECTSHOW
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#include <dshow.h>
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@ -179,53 +182,13 @@ public:
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virtual double GetPlaybackRate();
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virtual bool SetPlaybackRate(double);
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bool MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
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MCIDEVICEID m_hDev;
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wxMediaCtrl* m_ctrl;
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bool m_bVideo;
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};
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//---------------------------------------------------------------------------
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// wxAVIFileMediaCtrlImpl
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//---------------------------------------------------------------------------
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/*
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#include <Vfw.h>
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//msvfw32.dll
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//#pragma comment(lib, "vfw32.lib")
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class wxAVIFileMediaCtrlImpl : public wxMediaCtrlImpl
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{
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public:
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wxAVIFileMediaCtrlImpl();
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~wxAVIFileMediaCtrlImpl();
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virtual bool Create(wxMediaCtrl* ctrl);
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virtual bool Play();
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virtual bool Pause();
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virtual bool Stop();
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virtual bool Load(const wxString& fileName);
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virtual bool Load(const wxURI& location);
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virtual wxMediaState GetState();
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virtual bool SetPosition(long where);
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virtual long GetPosition();
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virtual long GetDuration();
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virtual void DoMoveWindow(int x, int y, int w, int h);
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wxSize DoGetBestSize() const;
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virtual double GetPlaybackRate();
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virtual bool SetPlaybackRate(double);
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HMODULE m_hDll;
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PAVIFILE m_hAVIFile;
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wxMediaCtrl* m_ctrl;
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};
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*/
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//###########################################################################
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//
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// IMPLEMENTATION
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@ -256,10 +219,10 @@ bool wxMediaCtrl::Create(wxWindow* parent, wxWindowID id, const wxString& fileNa
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{
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delete m_imp;
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#endif
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// m_imp = new wxWMMEMediaCtrlImpl;
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// if(!m_imp->Create(this))
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m_imp = new wxWMMEMediaCtrlImpl;
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if(!m_imp->Create(this))
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{
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// delete m_imp;
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delete m_imp;
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m_imp = NULL;
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return false;
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}
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@ -294,10 +257,10 @@ bool wxMediaCtrl::Create(wxWindow* parent, wxWindowID id, const wxURI& location,
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{
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delete m_imp;
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#endif
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// m_imp = new wxWMMEMediaCtrlImpl;
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// if(!m_imp->Create(this))
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m_imp = new wxWMMEMediaCtrlImpl;
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if(!m_imp->Create(this))
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{
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// delete m_imp;
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delete m_imp;
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m_imp = NULL;
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return false;
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}
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@ -685,7 +648,10 @@ void wxDXMediaCtrlImpl::DoMoveWindow(int x, int y, int w, int h)
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wxWMMEMediaCtrlImpl::wxWMMEMediaCtrlImpl() : m_bVideo(false)
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{
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/* TCHAR sz[5000];
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mciGetErrorString(nError, sz, 5000);
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wxMessageBox(wxString::Format(_T("Error:%s"), sz));
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*/
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}
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wxWMMEMediaCtrlImpl::~wxWMMEMediaCtrlImpl()
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@ -699,10 +665,61 @@ bool wxWMMEMediaCtrlImpl::Create(wxMediaCtrl* ctrl)
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return true;
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}
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bool wxWMMEMediaCtrlImpl::Load(const wxString& fileName)
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{
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if(m_bLoaded)
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mciSendCommand(m_hDev, MCI_CLOSE, 0, 0);
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MCI_OPEN_PARMS openParms;
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MCI_SET_PARMS setParms;
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openParms.lpstrElementName = (wxChar*) fileName.c_str();
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//Here's where the trick lies - if you don't specify MCI_OPEN_TYPE,
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//then it actually automagically finds the device for you!
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if ( mciSendCommand(0, MCI_OPEN,
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MCI_OPEN_ELEMENT,
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(DWORD)(LPVOID)&openParms) != 0)
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return false;
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m_hDev = openParms.wDeviceID;
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setParms.dwCallback = 0;
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setParms.dwTimeFormat = MCI_FORMAT_MILLISECONDS;
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if (mciSendCommand(m_hDev, MCI_SET, MCI_SET_TIME_FORMAT,
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(DWORD)(LPVOID)&setParms) != 0)
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return false;
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MCI_DGV_WINDOW_PARMS windowParms;
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windowParms.hWnd = (HWND)m_ctrl->GetHandle();
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m_bVideo = (mciSendCommand(m_hDev, MCI_WINDOW,
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MCI_DGV_WINDOW_HWND, (DWORD)(LPVOID)&windowParms) == 0);
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m_bLoaded = true;
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//work around refresh issues
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m_ctrl->InvalidateBestSize();
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m_ctrl->GetParent()->Layout();
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m_ctrl->GetParent()->Refresh();
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m_ctrl->GetParent()->Update();
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return true;
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}
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bool wxWMMEMediaCtrlImpl::Load(const wxURI& WXUNUSED(location))
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{
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return false;
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}
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bool wxWMMEMediaCtrlImpl::Play()
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{
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return (mciSendCommand(m_hDev, MCI_PLAY, 0, 0) == 0) ||
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(mciSendCommand(m_hDev, MCI_RESUME, 0, 0) == 0);
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//the directshow driver ("mpegvideo") will crash if we don't do a playParms here
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MCI_PLAY_PARMS playParms;
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playParms.dwCallback = (WORD)(HWND)m_ctrl->GetHWND();
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bool bOK = mciSendCommand(m_hDev, MCI_PLAY, MCI_NOTIFY, (DWORD)(LPVOID)&playParms) == 0;
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return (bOK) ;/*||
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(mciSendCommand(m_hDev, MCI_RESUME, 0, 0) == 0);*/
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}
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bool wxWMMEMediaCtrlImpl::Pause()
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@ -713,70 +730,9 @@ bool wxWMMEMediaCtrlImpl::Pause()
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bool wxWMMEMediaCtrlImpl::Stop()
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{
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return (mciSendCommand(m_hDev, MCI_STOP, MCI_WAIT, 0) == 0) &&
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SetPosition(GetDuration());
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(mciSendCommand(m_hDev, MCI_SEEK, MCI_SEEK_TO_START, 0) == 0);
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}
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#include "wx/log.h"
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bool wxWMMEMediaCtrlImpl::Load(const wxString& fileName)
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{
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if(m_bLoaded)
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mciSendCommand(m_hDev, MCI_CLOSE, 0, 0);
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MCI_OPEN_PARMS openParms;
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MCI_SET_PARMS setParms;
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memset(&openParms, 0, sizeof(MCI_DGV_OPEN_PARMS));
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openParms.lpstrElementName = (wxChar*) fileName.c_str();
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bool bFound = false;
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for(size_t i = MCI_DEVTYPE_FIRST; i <= MCI_DEVTYPE_LAST; ++i)
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{
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openParms.lpstrDeviceType = (LPSTR)i;
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DWORD nError;
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if ((nError = mciSendCommand(0, MCI_OPEN,
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MCI_OPEN_ELEMENT|MCI_OPEN_ELEMENT|MCI_OPEN_TYPE|MCI_OPEN_TYPE_ID,
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(DWORD)(LPVOID)&openParms)) == 0)
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{
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bFound = true;
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break;
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}
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}
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if(!bFound)
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return false;
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m_hDev = openParms.wDeviceID;
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setParms.dwCallback = 0;
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setParms.dwTimeFormat = MCI_FORMAT_MILLISECONDS;
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if (mciSendCommand(m_hDev, MCI_SET, MCI_SET_TIME_FORMAT,
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(DWORD)(LPVOID)&setParms) != 0)
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return false;
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//TODO: Does this work?
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/*
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MCI_DGV_WINDOW_PARMS windowParms;
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windowParms.hWnd = (HWND)m_ctrl->GetHWND();
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m_bVideo = (mciSendCommand(m_hDev, MCI_WINDOW,
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MCI_DGV_WINDOW_HWND, (DWORD)(LPVOID)&windowParms) == 0);
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*/
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m_bLoaded = true;
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return true;
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}
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bool wxWMMEMediaCtrlImpl::Load(const wxURI& WXUNUSED(location))
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{
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return false;
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}
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wxMediaState wxWMMEMediaCtrlImpl::GetState()
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{
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@ -803,10 +759,6 @@ bool wxWMMEMediaCtrlImpl::SetPosition(long where)
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if( mciSendCommand(m_hDev, MCI_SEEK, MCI_TO, (DWORD)(LPVOID)&seekParms) != 0)
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return false;
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/* TCHAR sz[5000];
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mciGetErrorString(nError, sz, 5000);
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wxMessageBox(wxString::Format(_T("Error:%s"), sz));
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*/
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if (bReplay)
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return Play();
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@ -846,13 +798,10 @@ wxSize wxWMMEMediaCtrlImpl::DoGetBestSize() const
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{
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if(m_bVideo)
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{
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//TODO: Does this work?
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/*
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MCI_DGV_RECT_PARMS rect;
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mciSendCommand(m_hDev, MCI_WHERE, MCI_DGV_WHERE_SOURCE, (DWORD)(LPSTR)&rect);
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return wxSize(rect.rc.right, rect.rc.bottom);
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*/
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}
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return wxSize(0,0);
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}
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@ -867,126 +816,25 @@ bool wxWMMEMediaCtrlImpl::SetPlaybackRate(double)
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return false;
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}
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//---------------------------------------------------------------------------
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//
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// wxAVIFileMediaCtrlImpl
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//
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// Functions located in msvfw32.dll
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//---------------------------------------------------------------------------
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/*
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typedef void (WINAPI *LPAVIFileInit) ();
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typedef void (WINAPI *LPAVIFileExit) ();
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typedef ULONG (WINAPI *LPAVIFileOpen) (
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PAVIFILE FAR * ppfile,
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const wxChar* szFile,
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UINT uMode,
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LPCLSID lpHandler
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);
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typedef ULONG (WINAPI *LPAVIFileRelease) (PAVIFILE pfile);
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wxAVIFileMediaCtrlImpl::wxAVIFileMediaCtrlImpl()
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bool wxWMMEMediaCtrlImpl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
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{
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}
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if(nMsg == MM_MCINOTIFY)
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{
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wxASSERT(lParam == (WXLPARAM) m_hDev);
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if(wParam == (WXWPARAM) MCI_NOTIFY_SUCCESSFUL && lParam == (WXLPARAM) m_hDev)
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{
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#ifdef __WXDEBUG__
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wxASSERT(mciSendCommand(m_hDev, MCI_SEEK, MCI_SEEK_TO_START, 0) == 0);
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#else
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mciSendCommand(m_hDev, MCI_SEEK, MCI_SEEK_TO_START, 0);
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#endif
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wxAVIFileMediaCtrlImpl::~wxAVIFileMediaCtrlImpl()
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{
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}
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bool wxAVIFileMediaCtrlImpl::Create(wxMediaCtrl* ctrl)
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{
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m_hDll = ::LoadLibrary(_T("avifil32.dll"));
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if(m_hDll == NULL)
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return false;
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LPAVIFileInit pAVIFileInit = (LPAVIFileInit) ::GetProcAddress(m_hDll, _T("AVIFileInit"));
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if(!pAVIFileInit)
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return false;
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(*pAVIFileInit)();
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m_ctrl = ctrl;
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wxMediaEvent theEvent(wxEVT_MEDIA_FINISHED, m_ctrl->GetId());
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m_ctrl->GetParent()->ProcessEvent(theEvent);
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}
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return true;
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}
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return false;
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}
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bool wxAVIFileMediaCtrlImpl::Load(const wxString& fileName)
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{
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// if( AVIFileOpen(&m_hAVIFile, fileName.c_str(), OF_SHARE_DENY_WRITE, 0L) != 0)
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return false;
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m_bLoaded = true;
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return true;
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}
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bool wxAVIFileMediaCtrlImpl::Load(const wxURI& WXUNUSED(location))
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{
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return false;
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}
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bool wxAVIFileMediaCtrlImpl::Play()
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{
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return 0;
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}
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bool wxAVIFileMediaCtrlImpl::Pause()
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{
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return 0;
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}
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bool wxAVIFileMediaCtrlImpl::Stop()
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{
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return 0;
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}
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wxMediaState wxAVIFileMediaCtrlImpl::GetState()
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{
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return wxMEDIASTATE_STOPPED;
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}
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bool wxAVIFileMediaCtrlImpl::SetPosition(long where)
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{
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return 0;
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}
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long wxAVIFileMediaCtrlImpl::GetPosition()
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{
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return 0;
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}
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long wxAVIFileMediaCtrlImpl::GetDuration()
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{
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return 0;
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}
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void wxAVIFileMediaCtrlImpl::DoMoveWindow(int, int, int, int)
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{
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}
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wxSize wxAVIFileMediaCtrlImpl::DoGetBestSize() const
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{
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return wxSize(0,0);
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}
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double wxAVIFileMediaCtrlImpl::GetPlaybackRate()
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{
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return 1.0;
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}
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bool wxAVIFileMediaCtrlImpl::SetPlaybackRate(double)
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{
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return false;
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}
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*/
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#endif //wxUSE_MEDIACTRL
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