{
public:
void OnPaint(wxPaintEvent&);
- void OnMove(wxMoveEvent&);
- void OnSize(wxSizeEvent&);
void OnEraseBackground(wxEraseEvent&);
};
#ifdef __WXDEBUG__
HMODULE m_hQuartzDll;
LPAMGETERRORTEXT m_lpAMGetErrorText;
+ wxString GetErrorString(HRESULT hrdsv);
#endif
friend class wxAMMediaThread;
// Usual debugging macros
//---------------------------------------------------------------------------
#ifdef __WXDEBUG__
-#include "wx/msgdlg.h"
#define MAX_ERROR_TEXT_LEN 160
-//
-// FIXME : Just use wxASSERT_MSG here instead of msgdlg - but
-// stackwalker still crashes win2k, so do msgdlg for now...
-//
-#define wxAMVERIFY(x) \
-{ \
- HRESULT hrdsv = (x); \
- if ( FAILED(hrdsv) ) \
- { \
- wxChar szError[MAX_ERROR_TEXT_LEN]; \
- if( m_lpAMGetErrorText != NULL && \
- (*m_lpAMGetErrorText)(hrdsv, szError, MAX_ERROR_TEXT_LEN) == 0) \
- { \
- wxMessageBox( wxString::Format(wxT("DirectShow error \"%s\" \n")\
- wxT("(numeric %i)\n")\
- wxT("occured at line %i in ") \
- wxT("mediactrl.cpp"), \
- (int)hrdsv, szError, __LINE__) ); \
- wxASSERT(false);\
- } \
- else \
- { \
- wxMessageBox( wxString::Format(wxT("Unknown error (%i) ") \
- wxT("occurred at") \
- wxT(" line %i in mediactrl.cpp."), \
- (int)hrdsv, __LINE__) ); \
- wxASSERT(false);\
- } \
- } \
-}
+#include "wx/log.h" //wxLogDebug et al.
+
+//Get the error string for Active Movie
+wxString wxAMMediaBackend::GetErrorString(HRESULT hrdsv)
+{
+ wxChar szError[MAX_ERROR_TEXT_LEN];
+ if( m_lpAMGetErrorText != NULL &&
+ (*m_lpAMGetErrorText)(hrdsv, szError, MAX_ERROR_TEXT_LEN) == 0)
+ {
+ return wxString::Format(wxT("DirectShow error \"%s\" \n")
+ wxT("(numeric %i)\n")
+ wxT("occured at line %i in ")
+ wxT("mediactrl.cpp"),
+ (int)hrdsv, szError, __LINE__);
+ }
+ else
+ {
+ return wxString::Format(wxT("Unknown error (%i) ")
+ wxT("occurred at")
+ wxT(" line %i in mediactrl.cpp."),
+ (int)hrdsv, __LINE__);
+ }
+}
+
+#define wxAMFAIL(x) wxFAIL_MSG(GetErrorString(x));
#define wxVERIFY(x) wxASSERT((x))
+#define wxAMLOG(x) wxLogDebug(GetErrorString(x))
#else
#define wxAMVERIFY(x) (x)
#define wxVERIFY(x) (x)
+#define wxAMLOG(x)
+#define wxAMFAIL(x)
#endif
//---------------------------------------------------------------------------
// Sets m_hNotifyWnd to NULL to signify that we haven't loaded anything yet
//---------------------------------------------------------------------------
wxAMMediaBackend::wxAMMediaBackend() : m_state(wxMEDIASTATE_STOPPED),
-m_pVMC(NULL)
+m_pMC(NULL), m_pME(NULL), m_pMS(NULL), m_pBA(NULL), m_pGB(NULL),
+m_pVMC(NULL), m_pThread(NULL)
#ifdef __WXDEBUG__
, m_hQuartzDll(NULL)
#endif
//Make sure a valid windowless video mixing interface exists
IGraphBuilder* pGB;
- if( CoCreateInstance(CLSID_FilgraphManager, NULL,
+ if( ::CoCreateInstance(CLSID_FilgraphManager, NULL,
CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void**)&pGB) != 0 )
return false;
validator, name) )
return false;
- m_ctrl = ctrl;
-
- //
- // Connect Events
- //
- //TODO: Greg Hazel reports problems with this... but win2k seems fine on mine...
- //-------------------------------------------------------------------------------
// My problem with this was only with a previous patch, probably the third rewrite
// fixed it as a side-effect. In fact, the erase background style of drawing not
// only works now, but is much better than paint-based updates (the paint event
// handler flickers if the wxMediaCtrl shares a sizer with another child window,
// or is on a notebook)
// - Greg Hazel
- m_ctrl->Connect(m_ctrl->GetId(), wxEVT_ERASE_BACKGROUND,
+ ctrl->Connect(ctrl->GetId(), wxEVT_ERASE_BACKGROUND,
wxEraseEventHandler(wxAMMediaEvtHandler::OnEraseBackground),
NULL, (wxEvtHandler*) this);
- //m_ctrl->Connect(m_ctrl->GetId(), wxEVT_PAINT,
- // wxPaintEventHandler(wxAMMediaEvtHandler::OnPaint),
- // NULL, (wxEvtHandler*) this);
-
- //
- // As noted below, we need to catch the Top Level Window's
- // move events because they are not sent to us if the media control
- // size remains the same but it actually moves in window coordinates
- //
- wxWindow* pTheTLW = m_ctrl->GetParent();
- while( pTheTLW->GetParent() )
- pTheTLW = pTheTLW->GetParent();
-
- //
- // FIXMEHACKFIXMEHACKFIXME
- // This is really nasty... basically the deal is not only above
- // but the repainting is messed up when the parent is maximized
- // too, so we've got to catch all 4 events!
- //
- m_ctrl->Connect(m_ctrl->GetId(), wxEVT_MOVE,
- wxMoveEventHandler(wxAMMediaEvtHandler::OnMove),
- NULL, (wxEvtHandler*) this);
- m_ctrl->Connect(m_ctrl->GetId(), wxEVT_SIZE,
- wxSizeEventHandler(wxAMMediaEvtHandler::OnSize),
- NULL, (wxEvtHandler*) this);
-
- pTheTLW->Connect(pTheTLW->GetId(), wxEVT_MOVE,
- wxMoveEventHandler(wxAMMediaEvtHandler::OnMove),
- NULL, (wxEvtHandler*) this);
- pTheTLW->Connect(pTheTLW->GetId(), wxEVT_SIZE,
- wxSizeEventHandler(wxAMMediaEvtHandler::OnSize),
- NULL, (wxEvtHandler*) this);
//
// done...
//
+ m_ctrl = ctrl;
return true;
}
bool wxAMMediaBackend::SetWindowlessMode(IGraphBuilder* pGB,
IVMRWindowlessControl** ppVMC)
{
+ HRESULT hr;
+
//
// Create and add a custom Video Mixing Render to the graph
//
IBaseFilter* pVMR;
- if( CoCreateInstance(CLSID_VideoMixingRenderer, NULL, CLSCTX_INPROC_SERVER,
- IID_IBaseFilter, (void**)&pVMR) != 0 )
+ if( ::CoCreateInstance(CLSID_VideoMixingRenderer, NULL,
+ CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&pVMR) != 0 )
return false;
- if ( pGB->AddFilter(pVMR, L"Video Mixing Renderer") != 0)
+ hr = pGB->AddFilter(pVMR, L"Video Mixing Renderer");
+ if ( hr != 0)
{
+ wxAMLOG(hr);
pVMR->Release();
return false;
}
// Set the graph to windowless mode
//
IVMRFilterConfig* pConfig;
- if( pVMR->QueryInterface(IID_IVMRFilterConfig, (void**)&pConfig) != 0 )
+ hr = pVMR->QueryInterface(IID_IVMRFilterConfig, (void**)&pConfig);
+ if( hr != 0 )
{
+ wxAMLOG(hr);
pVMR->Release();
return false;
}
- if( pConfig->SetRenderingMode(2) != 0) //2 == VMRMode_Windowless
+ hr = pConfig->SetRenderingMode(2);
+ if( hr != 0) //2 == VMRMode_Windowless
{
+ wxAMLOG(hr);
pConfig->Release();
pVMR->Release();
return false;
// Obtain the windowless control
//
IVMRWindowlessControl* pVMC;
- if( pVMR->QueryInterface(IID_IVMRWindowlessControl, (void**)&pVMC) != 0 )
+ hr = pVMR->QueryInterface(IID_IVMRWindowlessControl, (void**)&pVMC);
+ if( hr != 0 )
{
+ wxAMLOG(hr);
pVMR->Release();
return false;
}
//---------------------------------------------------------------------------
bool wxAMMediaBackend::Load(const wxString& fileName)
{
+ HRESULT hr;
+
//if previously loaded cleanup
if(m_pVMC)
Cleanup();
//Create interfaces - we already checked for success in CreateControl
- CoCreateInstance(CLSID_FilgraphManager, NULL, CLSCTX_INPROC_SERVER,
+ ::CoCreateInstance(CLSID_FilgraphManager, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void**)&m_pGB);
// Set and clip output
SetWindowlessMode(m_pGB, &m_pVMC);
- if( m_pVMC->SetVideoClippingWindow((HWND)m_ctrl->GetHandle()) != 0 )
+ hr = m_pVMC->SetVideoClippingWindow((HWND)m_ctrl->GetHandle());
+
+ if(hr != 0)
{
m_bestSize.x = m_bestSize.y = 0;
- wxASSERT(false);
+ wxAMFAIL(hr);
+ return false;
}
//load the graph & render
if( m_pGB->RenderFile(fileName.wc_str(wxConvLocal), NULL) != 0 )
return false;
+ //
//Get the interfaces, all of them
- wxAMVERIFY( m_pGB->QueryInterface(IID_IMediaEvent, (void**)&m_pME) );
- wxAMVERIFY( m_pGB->QueryInterface(IID_IMediaControl, (void**)&m_pMC) );
- wxAMVERIFY( m_pGB->QueryInterface(IID_IMediaPosition, (void**)&m_pMS) );
- wxAMVERIFY( m_pGB->QueryInterface(IID_IBasicAudio, (void**)&m_pBA) );
+ //
+ hr = m_pGB->QueryInterface(IID_IMediaEvent, (void**)&m_pME);
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return false;
+ }
+
+ hr = m_pGB->QueryInterface(IID_IMediaControl, (void**)&m_pMC);
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return false;
+ }
+
+ hr = m_pGB->QueryInterface(IID_IMediaPosition, (void**)&m_pMS);
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return false;
+ }
+
+ hr = m_pGB->QueryInterface(IID_IBasicAudio, (void**)&m_pBA);
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ //not critical
+ }
+ //
// Get original video size
- if( m_pVMC->GetNativeVideoSize((LONG*)&m_bestSize.x, (LONG*)&m_bestSize.y,
- NULL, NULL) != 0 )
+ //
+ hr = m_pVMC->GetNativeVideoSize((LONG*)&m_bestSize.x, (LONG*)&m_bestSize.y,
+ NULL, NULL);
+ if(hr != 0)
{
m_bestSize.x = m_bestSize.y = 0;
- wxASSERT(false);
+ wxAMFAIL(hr);
+ return false;
}
if(m_bestSize.x == 0 && m_bestSize.y == 0)
m_ctrl->GetParent()->Update();
m_ctrl->SetSize(m_ctrl->GetSize());
+ //
+ // Create the event thread
+ //
m_pThread = new wxAMMediaThread;
m_pThread->pThis = this;
m_pThread->Create();
m_pThread->Run();
+ //
+ // done
+ //
return true;
}
return Load(location.BuildUnescapedURI());
}
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::Cleanup
+//
+// Releases all the directshow interfaces we use
+// TODO: Maybe only create one instance of IAMMultiMediaStream and reuse it
+// rather than recreating it each time?
+//---------------------------------------------------------------------------
+void wxAMMediaBackend::Cleanup()
+{
+ // RN: This could be a bad ptr if load failed after
+ // m_pVMC was created
+ if(m_pThread)
+ {
+ m_pThread->Delete();
+ m_pThread = NULL;
+ }
+
+ // Release and zero DirectShow interfaces
+ SAFE_RELEASE(m_pMC);
+ SAFE_RELEASE(m_pME);
+ SAFE_RELEASE(m_pMS);
+ SAFE_RELEASE(m_pBA);
+ SAFE_RELEASE(m_pGB);
+ SAFE_RELEASE(m_pVMC);
+}
+
+
//---------------------------------------------------------------------------
// wxAMMediaBackend::Play
//
//---------------------------------------------------------------------------
bool wxAMMediaBackend::SetPosition(wxLongLong where)
{
- return SUCCEEDED( m_pMS->put_CurrentPosition(
+ HRESULT hr = m_pMS->put_CurrentPosition(
((LONGLONG)where.GetValue()) / 1000.0
- ) );
+ );
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return false;
+ }
+
+ return true;
}
//---------------------------------------------------------------------------
wxLongLong wxAMMediaBackend::GetPosition()
{
double outCur;
- wxAMVERIFY( m_pMS->get_CurrentPosition(&outCur) );
+ HRESULT hr = m_pMS->get_CurrentPosition(&outCur);
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return 0;
+ }
//h,m,s,milli - outdur is in 1 second (double)
outCur *= 1000;
}
//---------------------------------------------------------------------------
-// wxAMMediaBackend::SetVolume
+// wxAMMediaBackend::GetVolume
//
-// Sets the volume through the IBasicAudio interface -
+// Gets the volume through the IBasicAudio interface -
// value ranges from 0 (MAX volume) to -10000 (minimum volume).
// -100 per decibel.
//---------------------------------------------------------------------------
-bool wxAMMediaBackend::SetVolume(double dVolume)
+double wxAMMediaBackend::GetVolume()
{
- return SUCCEEDED(m_pBA->put_Volume( (long) ((dVolume-1.0) * 10000.0) ) );
+ if(m_pBA)
+ {
+ long lVolume;
+ HRESULT hr = m_pBA->get_Volume(&lVolume);
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return 0.0;
+ }
+
+ return (((double)(lVolume + 10000)) / 10000.0);
+ }
+
+ wxLogDebug(wxT("No directshow audio interface"));
+ return 0.0;
}
//---------------------------------------------------------------------------
-// wxAMMediaBackend::GetVolume
+// wxAMMediaBackend::SetVolume
//
-// Gets the volume through the IBasicAudio interface -
+// Sets the volume through the IBasicAudio interface -
// value ranges from 0 (MAX volume) to -10000 (minimum volume).
// -100 per decibel.
//---------------------------------------------------------------------------
-double wxAMMediaBackend::GetVolume()
+bool wxAMMediaBackend::SetVolume(double dVolume)
{
- long lVolume;
- if ( SUCCEEDED( m_pBA->get_Volume(&lVolume) ) )
- return (((double)(lVolume + 10000)) / 10000.0);
- return 0.0;
+ if(m_pBA)
+ {
+ HRESULT hr = m_pBA->put_Volume( (long) ((dVolume-1.0) * 10000.0) );
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return false;
+ }
+ return true;
+ }
+
+ wxLogDebug(wxT("No directshow audio interface"));
+ return false;
}
//---------------------------------------------------------------------------
wxLongLong wxAMMediaBackend::GetDuration()
{
double outDuration;
- wxAMVERIFY( m_pMS->get_Duration(&outDuration) );
+ HRESULT hr = m_pMS->get_Duration(&outDuration);
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return 0;
+ }
//h,m,s,milli - outdur is in 1 second (double)
outDuration *= 1000;
double wxAMMediaBackend::GetPlaybackRate()
{
double dRate;
- wxAMVERIFY( m_pMS->get_Rate(&dRate) );
+ HRESULT hr = m_pMS->get_Rate(&dRate);
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return 0.0;
+ }
return dRate;
}
//---------------------------------------------------------------------------
bool wxAMMediaBackend::SetPlaybackRate(double dRate)
{
- return m_pMS->put_Rate(dRate) == 0;
-}
-
-//---------------------------------------------------------------------------
-// wxAMMediaBackend::Cleanup
-//
-// Releases all the directshow interfaces we use
-// TODO: Maybe only create one instance of IAMMultiMediaStream and reuse it
-// rather than recreating it each time?
-//---------------------------------------------------------------------------
-void wxAMMediaBackend::Cleanup()
-{
- m_pThread->Delete();
- m_pThread = NULL;
+ HRESULT hr = m_pMS->put_Rate(dRate);
+ if(FAILED(hr))
+ {
+ wxAMLOG(hr);
+ return false;
+ }
- // Release and zero DirectShow interfaces
- SAFE_RELEASE(m_pMC);
- SAFE_RELEASE(m_pME);
- SAFE_RELEASE(m_pMS);
- SAFE_RELEASE(m_pBA);
- SAFE_RELEASE(m_pGB);
- SAFE_RELEASE(m_pVMC);
+ return true;
}
-
//---------------------------------------------------------------------------
// wxAMMediaBackend::GetVideoSize
//
void wxAMMediaBackend::Move(int WXUNUSED(x), int WXUNUSED(y),
int w, int h)
{
+ //don't use deferred positioning on windows
if(m_pVMC && m_bVideo)
{
RECT srcRect, destRect;
destRect.bottom = h; destRect.right = w;
//set the windowless control positions
- if( m_pVMC->SetVideoPosition(&srcRect, &destRect) != 0 )
- {
- wxASSERT_MSG(false, wxT("Could not set video position!"));
- }
-
-/*
- //oddly enough, it doesn't redraw the frame after moving...
- //TODO: Use wxClientDC?
- HDC hdc = ::GetDC((HWND)m_ctrl->GetHandle());
- if( m_pVMC->RepaintVideo((HWND)m_ctrl->GetHandle(),
- hdc) != 0 )
+ HRESULT hr = m_pVMC->SetVideoPosition(&srcRect, &destRect);
+ if(FAILED(hr))
{
- wxASSERT(false);
+ wxAMLOG(hr);
}
- ::ReleaseDC((HWND)m_ctrl->GetHandle(), hdc);
-*/
}
}
-//---------------------------------------------------------------------------
-// wxAMMediaEvtHandler::OnMove
-//
-// Oddly enough Move isn't called on MSW when the parent moves
-// and the child (us) doesn't, so we have to do it twice I guess :(
-//---------------------------------------------------------------------------
-void wxAMMediaEvtHandler::OnMove(wxMoveEvent& evt)
-{
- wxAMMediaBackend* pThis = (wxAMMediaBackend*) this;
- pThis->Move(pThis->m_ctrl->GetPosition().x,
- pThis->m_ctrl->GetPosition().y,
- pThis->m_ctrl->GetSize().x,
- pThis->m_ctrl->GetSize().y );
- evt.Skip();
-}
-void wxAMMediaEvtHandler::OnSize(wxSizeEvent& evt)
-{
- wxAMMediaBackend* pThis = (wxAMMediaBackend*) this;
- pThis->Move(pThis->m_ctrl->GetPosition().x,
- pThis->m_ctrl->GetPosition().y,
- pThis->m_ctrl->GetSize().x,
- pThis->m_ctrl->GetSize().y );
- evt.Skip();
-}
-
//---------------------------------------------------------------------------
// wxAMMediaThread::Entry
//
(LONG_PTR *) &evParam2, 0) == 0 )
{
// Cleanup memory that GetEvent allocated
- if( pThis->m_pME->FreeEventParams(evCode, evParam1, evParam2) != 0 )
+ HRESULT hr = pThis->m_pME->FreeEventParams(evCode,
+ evParam1, evParam2);
+ if(hr != 0)
{
- wxASSERT(false);
+ //Even though this makes a messagebox this
+ //is windows where we can do gui stuff in seperate
+ //threads :)
+ wxFAIL_MSG(pThis->GetErrorString(hr));
}
-
// If this is the end of the clip, notify handler
- if(1 == evCode) //EC_COMPLETE
+ else if(1 == evCode) //EC_COMPLETE
{
pThis->OnStop();
}
{
//TODO: Use wxClientDC?
HDC hdc = ::GetDC((HWND)pThis->m_ctrl->GetHandle());
- if( pThis->m_pVMC->RepaintVideo((HWND)pThis->m_ctrl->GetHandle(),
- hdc) != 0 )
+ HRESULT hr = pThis->m_pVMC->RepaintVideo((HWND)pThis->m_ctrl->GetHandle(),
+ hdc);
+ if(FAILED(hr))
{
- wxASSERT(false);
+ wxFAIL_MSG(pThis->GetErrorString(hr));
}
::ReleaseDC((HWND)pThis->m_ctrl->GetHandle(), hdc);
}
}
}
-//---------------------------------------------------------------------------
-// wxAMMediaEvtHandler::OnPaint
-//
-// Handle redrawing
-//---------------------------------------------------------------------------
-void wxAMMediaEvtHandler::OnPaint(wxPaintEvent& WXUNUSED(evt))
-{
- wxAMMediaBackend* pThis = (wxAMMediaBackend*) this;
- wxPaintDC dc(pThis->m_ctrl);
- if( pThis->m_pVMC && pThis->m_bVideo)
- {
- if( pThis->m_pVMC->RepaintVideo((HWND)pThis->m_ctrl->GetHandle(),
- (HDC)dc.GetHDC()) != 0 )
- {
- wxASSERT(false);
- }
- }
-}
-
//---------------------------------------------------------------------------
// End of wxAMMediaBackend
//---------------------------------------------------------------------------