void Play(HWND hWnd)
{
//ShowWindow(hWnd, SW_SHOWNORMAL);
RECT grc;
GetClientRect(hWnd, &grc);
JIF(pVW->put_Owner((OAHWND)hWnd));
JIF(pVW->SetWindowPosition(0, 25, grc.right, grc.bottom));
pMC->Run();
::SetForegroundWindow(hWnd);
}
HRESULT CMediaPlayerDlg::RenderWMFile(LPCWSTR wFile)
{
HRESULT hr=S_OK;
IFileSourceFilter *pFS=NULL;
IBaseFilter *pReader=NULL;
// Load the improved ASF reader filter by CLSID
hr = CreateFilter(CLSID_WMAsfReader, &pReader);
if(FAILED(hr))
{
MPRetailOutput(TEXT("Failed to create WMAsfWriter filter! hr=0x%x\n"), hr);
return hr;
}
// Add the ASF reader filter to the graph. For ASF/WMV/WMA content,
// this filter is NOT the default and must be added explicitly.
hr = pGB_MP->AddFilter(pReader, L"ASF Reader");
if(FAILED(hr))
{
MPRetailOutput(TEXT("Failed to add ASF reader filter to graph! hr=0x%x\n"), hr);
pReader->Release();
return hr;
}
//
// Windows Media 9 Series (code named 'Corona') no longer requires
// a stub library. If using WMF9, we don't need to provide a CKeyProvider
// implementation, and we don't need to link with the WMStub.lib library.
//
#ifndef TARGET_WMF9
// Create the key provider that will be used to unlock the WM SDK
JIF(AddKeyProvider(pGB_MP));
#endif
// Set its source filename
JIF(pReader->QueryInterface(IID_IFileSourceFilter, (void **) &pFS));
JIF(pFS->Load(wFile, NULL));
pFS->Release();
CLEANUP:
// If there was a rendering error, make sure that the reader is released
//
// Otherwise, wince the graph is built and the filters are added to
// the graph, the WM ASF reader interface can be released.
SAFE_RELEASE(pReader);
return hr;
}
void ensureVideoPostProcess()
{
if (host.state < CodecBoxDecoderState::Metadata) return;
if (sws) return;
auto destFmt = AV_PIX_FMT_RGBA;
int align = 4;
videoLineSize = av_image_get_buffer_size(destFmt, host.width, 1, align);
int numBytes = av_image_get_buffer_size(destFmt, host.width, host.height, align);
videoBuffer = (uint8_t *) av_malloc(numBytes);
sws = sws_getContext(
videoCodecContext->width,
videoCodecContext->height,
videoCodecContext->pix_fmt,
host.width,
host.height,
AV_PIX_FMT_RGBA,
SWS_BILINEAR,
NULL,
NULL,
NULL
);
JIF(!videoBuffer || !sws, "failed to alloc video buffers.");
return;
err:
host.state = CodecBoxDecoderState::Failed;
close();
}
static AVCodecContext* createCodecContext(AVFormatContext* formatContext, int streamId)
{
AVCodecContext* codecContext = nullptr;
auto orignalContext = formatContext->streams[streamId]->codec;
auto codec = avcodec_find_decoder(orignalContext->codec_id);
JIF(codec == nullptr, "failed avcodec_find_decoder %d", orignalContext->codec_id);
codecContext = avcodec_alloc_context3(codec);
JIF(codecContext == nullptr, "failed avcodec_alloc_context3");
JIF(avcodec_copy_context(codecContext, orignalContext) != 0, "failed avcodec_copy_context");
JIF(avcodec_open2(codecContext, codec, nullptr) < 0, "failed avcodec_open2");
return codecContext;
err:
if (codecContext) avcodec_free_context(&codecContext);
return nullptr;
}
HRESULT CPlayWMV::ToggleMute(void)
{
HRESULT hr = S_OK;
if ((!m_pGB) || (!m_pBA))
return S_OK;
// Read current volume
hr = m_pBA->get_Volume(&m_lVolume);
if (hr == E_NOTIMPL)
{
// Fail quietly if this is a video-only media file
return S_OK;
}
else if (FAILED(hr))
{
Msg(TEXT("Failed to read audio volume! hr=0x%x\r\n"), hr);
return hr;
}
// Switch volume levels
if (m_lVolume == VOLUME_FULL)
m_lVolume = VOLUME_SILENCE;
else
m_lVolume = VOLUME_FULL;
// Set new volume
JIF(m_pBA->put_Volume(m_lVolume));
// UpdateMainTitle();
return hr;
}
HRESULT InitVideoWindow(int nMultiplier, int nDivider)
{
LONG lHeight, lWidth;
HRESULT hr = S_OK;
RECT rect;
if (!pBV)
return S_OK;
// Read the default video size
hr = pBV->GetVideoSize(&lWidth, &lHeight);
if (hr == E_NOINTERFACE)
return S_OK;
EnablePlaybackMenu(TRUE, VIDEO);
// Account for requests of normal, half, or double size
lWidth = lWidth * nMultiplier / nDivider;
lHeight = lHeight * nMultiplier / nDivider;
int nTitleHeight = GetSystemMetrics(SM_CYCAPTION);
int nBorderWidth = GetSystemMetrics(SM_CXBORDER);
int nBorderHeight = GetSystemMetrics(SM_CYBORDER);
// Account for size of title bar and borders for exact match
// of window client area to default video size
SetWindowPos(ghApp, NULL, 0, 0, lWidth + 2*nBorderWidth,
lHeight + nTitleHeight + 2*nBorderHeight,
SWP_NOMOVE | SWP_NOOWNERZORDER);
GetClientRect(ghApp, &rect);
JIF(pVW->SetWindowPosition(rect.left, rect.top, rect.right, rect.bottom));
return hr;
}
HRESULT CPlayWMV::ToggleFullScreen(void)
{
HRESULT hr = S_OK;
LONG lMode = 0;
static HWND hDrain = 0;
// Don't bother with full-screen for audio-only files
if ((m_bAudioOnly) || (!m_pVW))
return S_OK;
// Read current state
JIF(m_pVW->get_FullScreenMode(&lMode));
if (lMode == 0) /* OAFALSE */
{
// Save current message drain
LIF(m_pVW->get_MessageDrain((OAHWND *) &hDrain));
// Set message drain to application main window
LIF(m_pVW->put_MessageDrain((OAHWND) m_hWnd));
// Switch to full-screen mode
lMode = -1; /* OATRUE */
JIF(m_pVW->put_FullScreenMode(lMode));
m_bFullscreen = TRUE;
}
else
{
// Switch back to windowed mode
lMode = 0; /* OAFALSE */
JIF(m_pVW->put_FullScreenMode(lMode));
// Undo change of message drain
LIF(m_pVW->put_MessageDrain((OAHWND) hDrain));
// Reset video window
LIF(m_pVW->SetWindowForeground(-1));
// Reclaim keyboard focus for player application
UpdateWindow(m_hWnd);
SetForegroundWindow(m_hWnd);
SetFocus(m_hWnd);
m_bFullscreen = FALSE;
}
return hr;
}
HRESULT CMediaPlayerDlg::InitDirectShow(void)
{
HRESULT hr = S_OK;
g_bAudioOnly_MP = FALSE;
// Zero interfaces (sanity check)
pVW_MP = NULL;
pBV_MP = NULL;
JIF(CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC, IID_IGraphBuilder,
(void **)&pGB_MP));
JIF(pGB_MP->QueryInterface(IID_IMediaControl, (void **)&pMC_MP));
JIF(pGB_MP->QueryInterface(IID_IMediaSeeking, (void **)&pMS_MP));
JIF(pGB_MP->QueryInterface(IID_IBasicVideo, (void **)&pBV_MP));
JIF(pGB_MP->QueryInterface(IID_IVideoWindow, (void **)&pVW_MP));
JIF(pGB_MP->QueryInterface(IID_IMediaEventEx, (void **)&pME_MP));
JIF(pGB_MP->QueryInterface(IID_IBasicAudio, (void **)&pBA_MP));
return S_OK;
CLEANUP:
FreeDirectShow();
return(hr);
}
void ensureAudioPostProcess()
{
if (host.state < CodecBoxDecoderState::Metadata) return;
if (swr) return;
swr = swr_alloc();
JIF(!swr, "failed to alloc audio resampler.");
av_opt_set_channel_layout(swr, "in_channel_layout", audioCodecContext->channel_layout, 0);
av_opt_set_channel_layout(swr, "out_channel_layout", AV_CH_LAYOUT_STEREO, 0);
av_opt_set_int(swr, "in_sample_rate", audioCodecContext->sample_rate, 0);
av_opt_set_int(swr, "out_sample_rate", host.sampleRate, 0);
av_opt_set_sample_fmt(swr, "in_sample_fmt", audioCodecContext->sample_fmt, 0);
av_opt_set_sample_fmt(swr, "out_sample_fmt", AV_SAMPLE_FMT_FLT, 0);
JIF(swr_init(swr), "failed to init audio resampler.");
return;
err:
host.state = CodecBoxDecoderState::Failed;
close();
}
int InitMediaEnviront()
{
JIF( CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IGraphBuilder, (void **)&pGB));
//add filter and connect them
//hr=CoCreateInstance(INFINITEPINTEEFILTER, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&pVideorenderFilter);
JIF(CoCreateInstance(
CLSID_VideoRenderer,
NULL,
CLSCTX_INPROC_SERVER,
IID_IBaseFilter,
(void**)&pVMRFilter));
//pGB->FindFilterByName(
//hr = pGB->FindFilterByName(L"Video Renderer", &pVMRFilter) ;
JIF(CoCreateInstance(
CLSID_BouncingBall,
NULL,
CLSCTX_INPROC_SERVER,
IID_IBaseFilter,
(void**)&pSnowFilter));
//GET PINS
JIF(pGB->QueryInterface(IID_IVideoWindow,(void **)&pVW));
JIF(pGB->AddFilter(pVMRFilter,L"RENDER"));
JIF(pGB->AddFilter(pSnowFilter,L"SOURCE"));
// EnumPins(pSnowFilter);
// EnumPins(pVMRFilter);
//hr = pSnowFilter->FindPin(L"Output" , &pPinOut);
pPinOut=GetFirstPin(pSnowFilter);
//pVMRFilter
//JIF( pVMRFilter->FindPin(L"VMR Input0" , &pPinIn));
pPinIn=GetFirstPin(pVMRFilter);
//pGB->AddSourceFilter(
JIF(pGB->Connect (pPinOut,pPinIn));
JIF( pGB->QueryInterface(IID_IMediaControl, (void **)&pMC));
JIF( pGB->QueryInterface(IID_IMediaEventEx, (void **)&pME));
return 0;
}
HRESULT InitializeWindowlessVMR(IBaseFilter **ppVmr9)
{
IBaseFilter* pVmr = NULL;
if (!ppVmr9)
return E_POINTER;
*ppVmr9 = NULL;
// Create the VMR and add it to the filter graph.
HRESULT hr = CoCreateInstance(CLSID_VideoMixingRenderer9, NULL,
CLSCTX_INPROC, IID_IBaseFilter, (void**)&pVmr);
if (SUCCEEDED(hr))
{
hr = pGB->AddFilter(pVmr, L"Video Mixing Renderer 9");
if (SUCCEEDED(hr))
{
// Set the rendering mode and number of streams
SmartPtr <IVMRFilterConfig9> pConfig;
JIF(pVmr->QueryInterface(IID_IVMRFilterConfig9, (void**)&pConfig));
JIF(pConfig->SetRenderingMode(VMR9Mode_Windowless));
hr = pVmr->QueryInterface(IID_IVMRWindowlessControl9, (void**)&pWC);
if( SUCCEEDED(hr))
{
hr = pWC->SetVideoClippingWindow(ghApp);
hr = pWC->SetBorderColor(RGB(0,0,0));
}
// Get alpha-blended bitmap interface
hr = pVmr->QueryInterface(IID_IVMRMixerBitmap9, (void**)&pBMP);
}
// Don't release the pVmr interface because we are copying it into
// the caller's ppVmr9 pointer
*ppVmr9 = pVmr;
}
return hr;
}
CodecBoxDecoderContext(const char* filePath, CodecBoxDecoder& host_):
host(host_),
formatContext(nullptr),
videoStream(-1),
audioStream(-1),
videoCodecContext(nullptr),
audioCodecContext(nullptr),
sws(nullptr),
swr(nullptr),
decodedFrame(nullptr),
videoLineSize(0),
videoBuffer(nullptr),
audioBuffer(nullptr)
{
host.state = CodecBoxDecoderState::Init;
JIF(avformat_open_input(&formatContext, filePath, nullptr, nullptr) != 0,
"failed avformat_open_input: %s", filePath);
JIF(avformat_find_stream_info(formatContext, nullptr) < 0,
"failed avformat_find_stream_info: %s", filePath);
av_dump_format(formatContext, 0, filePath, 0);
host.duration = (double)formatContext->duration / AV_TIME_BASE;
host.startTime = (double)formatContext->start_time / AV_TIME_BASE;
for (int i = 0; i < formatContext->nb_streams; i++)
{
auto type = formatContext->streams[i]->codec->codec_type;
if (videoStream < 0 && type == AVMEDIA_TYPE_VIDEO) videoStream = i;
else if (audioStream < 0 && type == AVMEDIA_TYPE_AUDIO) audioStream = i;
}
JIF(videoStream < 0 && audioStream < 0 , "no audio/video stream found in %s", filePath);
if (videoStream >= 0)
{
videoCodecContext = createCodecContext(formatContext, videoStream);
JIF(videoCodecContext == nullptr, "video codec not supported");
host.hasVideo = true;
host.width = videoCodecContext->width;
host.height = videoCodecContext->height;
// videoCodecContext->framerate is usually not useful (0)
auto fr = formatContext->streams[videoStream]->avg_frame_rate;
host.frameRate = (double)fr.num / fr.den;
}
if (audioStream >= 0)
{
audioCodecContext = createCodecContext(formatContext, audioStream);
JIF(audioCodecContext == nullptr, "audio codec not supported");
host.hasAudio = true;
host.sampleRate = audioCodecContext->sample_rate;
host.channels = 2; // will be re-sampled as AV_CH_LAYOUT_STEREO. // audioCodecContext->channels;
}
decodedFrame = av_frame_alloc();
JIF(!decodedFrame, "faild to alloc decodedFrame");
host.state = CodecBoxDecoderState::Metadata;
return;
err:
host.state = CodecBoxDecoderState::Failed;
close();
}
HRESULT CPlayWMV::SetSize(int nLeft, int nTop, int nRight, int nBottom)
{
HRESULT hr = S_OK;
m_Rect.left = nLeft;
m_Rect.top = nTop;
m_Rect.right = nRight;
m_Rect.bottom = nBottom;
JIF(m_pVW->SetWindowPosition(m_Rect.left, m_Rect.top, m_Rect.right, m_Rect.bottom));
return hr;
}
HRESULT GetInterfaces(void)
{
HRESULT hr = S_OK;
// Instantiate filter graph interface
JIF(CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IGraphBuilder, (void **)&pGB));
// Get interfaces to control playback & screensize
JIF(pGB->QueryInterface(IID_IMediaControl, (void **)&pMC));
JIF(pGB->QueryInterface(IID_IVideoWindow, (void **)&pVW));
// Get interface to allow the app to wait for completion of playback
JIF(pGB->QueryInterface(IID_IMediaEventEx, (void **)&pME));
return S_OK;
// In case of failure, the helper macro jumps here
CLEANUP:
CleanupInterfaces();
return(hr);
}
HRESULT ConfigureMultiFileVMR9(WCHAR *wFile1, WCHAR *wFile2)
{
HRESULT hr=S_OK;
CComPtr <IBaseFilter> pVmr;
// Create the Video Mixing Renderer and add it to the graph
JIF(InitializeWindowlessVMR(&pVmr));
// Render the files programmatically to use the VMR9 as renderer
if (SUCCEEDED(hr = RenderFileToVMR9(pGB, wFile1, pVmr)))
hr = RenderFileToVMR9(pGB, wFile2, pVmr);
return hr;
}
void setSampleRate(int sr)
{
if (swr)
{
int64_t outSampleRate;
av_opt_get_int(swr, "out_sample_rate", 0, &outSampleRate);
if (outSampleRate != host.sampleRate)
{
av_opt_set_int(swr, "out_sample_rate", host.sampleRate, 0);
swr_init(swr);
JIF(swr_init(swr), "failed to init audio resampler.");
}
}
host.sampleRate = sr;
return;
err:
host.state = CodecBoxDecoderState::Failed;
close();
}
HRESULT MPToggleFullScreen(void)
{
HRESULT hr=S_OK;
LONG lMode;
static HWND hDrain=0;
CWnd m_hWnd;
// Don't bother with full-screen for audio-only files
if ((g_bAudioOnly_MP) || (!pVW_MP))
return S_OK;
// Read current state
JIF(pVW_MP->get_FullScreenMode(&lMode));
if (lMode == OAFALSE)
{
// Save current message drain
LIF(pVW_MP->get_MessageDrain((OAHWND *) &hDrain));
// Set message drain to application main window
LIF(pVW_MP->put_MessageDrain((OAHWND) (HWND)m_hWnd));
// Switch to full-screen mode
lMode = OATRUE;
JIF(pVW_MP->put_FullScreenMode(lMode));
g_bFullScreen_MP = TRUE;
}
else
{
// Switch back to windowed mode
lMode = OAFALSE;
JIF(pVW_MP->put_FullScreenMode(lMode));
// Undo change of message drain
LIF(pVW_MP->put_MessageDrain((OAHWND) hDrain));
// Reset video window
LIF(pVW_MP->SetWindowForeground(-1));
// Reclaim keyboard focus for player application
m_hWnd.UpdateWindow();
m_hWnd.SetForegroundWindow();
m_hWnd.SetFocus();
g_bFullScreen_MP = FALSE;
}
CLEANUP:
return(hr);
}
HRESULT InitializeWindowlessVMR(IBaseFilter **ppVmr9)
{
IBaseFilter* pVmr = NULL;
if (!ppVmr9)
return E_POINTER;
*ppVmr9 = NULL;
// Create the VMR and add it to the filter graph.
HRESULT hr = CoCreateInstance(CLSID_VideoMixingRenderer9, NULL,
CLSCTX_INPROC, IID_IBaseFilter, (void**)&pVmr);
if (SUCCEEDED(hr))
{
hr = pGB->AddFilter(pVmr, L"Video Mixing Renderer 9");
if (SUCCEEDED(hr))
{
// Set the rendering mode and number of streams
SmartPtr <IVMRFilterConfig9> pConfig;
JIF(pVmr->QueryInterface(IID_IVMRFilterConfig9, (void**)&pConfig));
JIF(pConfig->SetRenderingMode(VMR9Mode_Windowless));
hr = pVmr->QueryInterface(IID_IVMRWindowlessControl9, (void**)&pWC);
if( SUCCEEDED(hr))
{
hr = pWC->SetVideoClippingWindow(ghApp);
hr = pWC->SetBorderColor(RGB(0,0,0));
}
#ifndef BILINEAR_FILTERING
// Request point filtering (instead of bilinear filtering)
// to improve the text quality. In general, if you are
// not scaling the app Image, you should use point filtering.
// This is very important if you are doing source color keying.
IVMRMixerControl9 *pMix;
hr = pVmr->QueryInterface(IID_IVMRMixerControl9, (void**)&pMix);
if( SUCCEEDED(hr))
{
DWORD dwPrefs=0;
hr = pMix->GetMixingPrefs(&dwPrefs);
if (SUCCEEDED(hr))
{
dwPrefs |= MixerPref_PointFiltering;
dwPrefs &= ~(MixerPref_BiLinearFiltering);
hr = pMix->SetMixingPrefs(dwPrefs);
}
pMix->Release();
}
#endif
// Get alpha-blended bitmap interface
hr = pVmr->QueryInterface(IID_IVMRMixerBitmap9, (void**)&pBMP);
}
else
Msg(TEXT("Failed to add VMR to graph! hr=0x%x\r\n"), hr);
// Don't release the pVmr interface because we are copying it into
// the caller's ppVmr9 pointer
*ppVmr9 = pVmr;
}
else
Msg(TEXT("Failed to create VMR! hr=0x%x\r\n"), hr);
return hr;
}
HRESULT BlendVideo(LPTSTR szFile1, LPTSTR szFile2)
{
USES_CONVERSION;
WCHAR wFile1[MAX_PATH], wFile2[MAX_PATH];
HRESULT hr;
// Check input string
if ((szFile1 == NULL) || (szFile2 == NULL))
return E_POINTER;
// Clear open dialog remnants before calling RenderFile()
UpdateWindow(ghApp);
// Convert filenames to wide character strings
wcsncpy(wFile1, T2W(szFile1), NUMELMS(wFile1)-1);
wcsncpy(wFile2, T2W(szFile2), NUMELMS(wFile2)-1);
wFile1[MAX_PATH-1] = wFile2[MAX_PATH-1] = 0;
// Get the interface for DirectShow's GraphBuilder
JIF(CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&pGB));
if(SUCCEEDED(hr))
{
// Unlike the VMR7 in Windows XP, the VMR9 is not the default renderer
// (to preserve backward compatibility). In some multifile graphs,
// the filter graph manager could decide to load the default Video Renderer
// filter during RenderFile(), even though the VMR9 is already present
// in the graph. Since the default Video Renderer has a higher merit
// than the VMR9, it would be connected instead of the VMR9, leading to
// the video streams being displayed in multiple separate windows.
// This could be the case with AVI files created with legacy VfW codecs
// or when two Color Space convertors must be used (each requiring its
// own allocator).
// Therefore, we render the files programmatically instead of using
// the standard IGraphBuilder::RenderFile() method.
if (FAILED(ConfigureMultiFileVMR9(wFile1, wFile2)))
return hr;
// QueryInterface for DirectShow interfaces
JIF(pGB->QueryInterface(IID_IMediaControl, (void **)&pMC));
JIF(pGB->QueryInterface(IID_IMediaEventEx, (void **)&pME));
JIF(pGB->QueryInterface(IID_IMediaSeeking, (void **)&pMS));
// Is this an audio-only file (no video component)?
if (CheckVideoVisibility())
{
JIF(InitVideoWindow(1, 1));
}
else
{
// This sample requires video clips to be loaded
Msg(TEXT("This sample requires media with a video component. ")
TEXT("Please select another file."));
return E_FAIL;
}
// Have the graph signal event via window callbacks
JIF(pME->SetNotifyWindow((OAHWND)ghApp, WM_GRAPHNOTIFY, 0));
// Complete the window setup
ShowWindow(ghApp, SW_SHOWNORMAL);
UpdateWindow(ghApp);
SetForegroundWindow(ghApp);
SetFocus(ghApp);
#ifdef REGISTER_FILTERGRAPH
if (FAILED(AddGraphToRot(pGB, &g_dwGraphRegister)))
{
Msg(TEXT("Failed to register filter graph with ROT!"));
g_dwGraphRegister = 0;
}
#endif
// Run the graph to play the media files
MoveVideoWindow();
JIF(pMC->Run());
EnableMenus(TRUE);
}
return hr;
}
HRESULT PlayMovieInWindow(LPTSTR szFile)
{
USES_CONVERSION;
WCHAR wFile[MAX_PATH];
HRESULT hr;
// Check input string
if (szFile == NULL)
return E_POINTER;
// Clear open dialog remnants before calling RenderFile()
UpdateWindow(ghApp);
// Convert filename to wide character string
wcsncpy(wFile, T2W(szFile), NUMELMS(wFile)-1);
wFile[MAX_PATH-1] = 0;
// Get the interface for DirectShow's GraphBuilder
JIF(CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&pGB));
if(SUCCEEDED(hr))
{
// Create the Video Mixing Renderer and add it to the graph
JIF(InitializeWindowlessVMR());
// Have the graph builder construct its the appropriate graph automatically
JIF(pGB->RenderFile(wFile, NULL));
// QueryInterface for DirectShow interfaces
JIF(pGB->QueryInterface(IID_IMediaControl, (void **)&pMC));
JIF(pGB->QueryInterface(IID_IMediaEventEx, (void **)&pME));
JIF(pGB->QueryInterface(IID_IMediaSeeking, (void **)&pMS));
// Is this an audio-only file (no video component)?
if (CheckVideoVisibility())
{
JIF(InitVideoWindow(1, 1));
}
else
{
// This sample requires a video clip to be loaded
Msg(TEXT("This sample requires media with a video component. ")
TEXT("Please select another file."));
return E_FAIL;
}
// Have the graph signal event via window callbacks for performance
JIF(pME->SetNotifyWindow((OAHWND)ghApp, WM_GRAPHNOTIFY, 0));
// Add the bitmap (static image or dynamic text) to the VMR's input
if (g_dwTickerFlags & MARK_STATIC_IMAGE)
{
hr = BlendApplicationImage(ghApp);
if (FAILED(hr))
PostMessage(ghApp, WM_CLOSE, 0, 0);
CheckMenuItem(ghMenu, ID_TICKER_STATIC_IMAGE, MF_CHECKED);
CheckMenuItem(ghMenu, ID_TICKER_DYNAMIC_TEXT, MF_UNCHECKED);
}
else // MARK_DYNAMIC_TEXT
{
if (!g_hFont)
g_hFont = SetTextFont(FALSE); // Don't display the Windows Font Select dialog
// If the initial blend fails, post a close message to exit the app
hr = BlendApplicationText(ghApp, g_szAppText);
if (FAILED(hr))
PostMessage(ghApp, WM_CLOSE, 0, 0);
CheckMenuItem(ghMenu, ID_TICKER_STATIC_IMAGE, MF_UNCHECKED);
CheckMenuItem(ghMenu, ID_TICKER_DYNAMIC_TEXT, MF_CHECKED);
}
// Complete the window setup
ShowWindow(ghApp, SW_SHOWNORMAL);
UpdateWindow(ghApp);
SetForegroundWindow(ghApp);
SetFocus(ghApp);
#ifdef REGISTER_FILTERGRAPH
if (FAILED(AddGraphToRot(pGB, &g_dwGraphRegister)))
{
Msg(TEXT("Failed to register filter graph with ROT!"));
g_dwGraphRegister = 0;
}
#endif
// Run the graph to play the media file
JIF(pMC->Run());
// Start animation by default
PostMessage(ghApp, WM_COMMAND, ID_SLIDE, 0);
}
return hr;
}
HRESULT CPlayWMV::PlayMovieInWindow(HWND hWnd, LPTSTR szFile)
{
if(FAILED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED)))
{
Msg(TEXT("CoInitialize Failed!\r\n"));
return 0;
}
USES_CONVERSION;
WCHAR wFile[MAX_PATH];
HRESULT hr;
// Check input string
if (!szFile)
return E_POINTER;
m_hWnd = hWnd;
// Clear open dialog remnants before calling RenderFile()
UpdateWindow(m_hWnd);
// Convert filename to wide character string
wcsncpy(wFile, T2W(szFile), NUMELMS(wFile)-1);
wFile[MAX_PATH-1] = 0;
// Get the interface for DirectShow's GraphBuilder
JIF(CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&m_pGB));
// Get the media event interface before building the graph
JIF(m_pGB->QueryInterface(IID_IMediaEventEx, (void **)&m_pME));
// Have the graph builder construct the appropriate graph automatically
JIF(m_pGB->RenderFile(wFile, NULL));
if (SUCCEEDED(hr))
{
// QueryInterface for DirectShow interfaces
JIF(m_pGB->QueryInterface(IID_IMediaControl, (void **)&m_pMC));
JIF(m_pGB->QueryInterface(IID_IMediaSeeking, (void **)&m_pMS));
// Query for video interfaces, which may not be relevant for audio files
JIF(m_pGB->QueryInterface(IID_IVideoWindow, (void **)&m_pVW));
JIF(m_pGB->QueryInterface(IID_IBasicVideo, (void **)&m_pBV));
// Query for audio interfaces, which may not be relevant for video-only files
JIF(m_pGB->QueryInterface(IID_IBasicAudio, (void **)&m_pBA));
// Have the graph signal event via window callbacks for performance
JIF(m_pME->SetNotifyWindow((OAHWND)m_hWnd, WM_GRAPHNOTIFY, 0));
// Is this an audio-only file (no video component)?
CheckVisibility();
if (!m_bAudioOnly)
{
// Setup the video window
JIF(m_pVW->put_Owner((OAHWND)m_hWnd));
JIF(m_pVW->put_WindowStyle(WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN));
JIF(m_pVW->SetWindowPosition(m_Rect.left,
m_Rect.top, m_Rect.right, m_Rect.bottom));
}
else
{
// Initialize the default player window and enable playback menu items
// that don't involve manipulating video size
//JIF(InitPlayerWindow());
/*
BOOL bRet = SetWindowPos(m_hWnd, NULL, 0, 0,
DEFAULT_AUDIO_WIDTH,
DEFAULT_AUDIO_HEIGHT,
SWP_NOMOVE | SWP_NOOWNERZORDER);
*/
}
// Complete window initialization
//ShowWindow(m_hWnd, SW_SHOWNORMAL);
//UpdateWindow(m_hWnd);
//SetForegroundWindow(m_hWnd);
m_bFullscreen = FALSE;
// Run the graph to play the media file
JIF(m_pMC->Run());
m_nPlayState = Running;
SetFocus(m_hWnd);
}
return hr;
}
HRESULT PlayMovieInWindow(LPTSTR szFile)
{
USES_CONVERSION;
WCHAR wFile[MAX_PATH];
HRESULT hr;
// Clear open dialog remnants before calling RenderFile()
UpdateWindow(ghApp);
// Convert filename to wide character string
wcscpy(wFile, T2W(szFile));
// Get the interface for DirectShow's GraphBuilder
JIF(CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&pGB));
if(SUCCEEDED(hr))
{
// Have the graph builder construct its the appropriate graph automatically
JIF(pGB->RenderFile(wFile, NULL));
// QueryInterface for DirectShow interfaces
JIF(pGB->QueryInterface(IID_IMediaControl, (void **)&pMC));
JIF(pGB->QueryInterface(IID_IMediaEventEx, (void **)&pME));
JIF(pGB->QueryInterface(IID_IMediaSeeking, (void **)&pMS));
JIF(pGB->QueryInterface(IID_IMediaPosition, (void **)&pMP));
// Query for video interfaces, which may not be relevant for audio files
JIF(pGB->QueryInterface(IID_IVideoWindow, (void **)&pVW));
JIF(pGB->QueryInterface(IID_IBasicVideo, (void **)&pBV));
// Query for audio interfaces, which may not be relevant for video-only files
JIF(pGB->QueryInterface(IID_IBasicAudio, (void **)&pBA));
// Is this an audio-only file (no video component)?
CheckVisibility();
// Have the graph signal event via window callbacks for performance
JIF(pME->SetNotifyWindow((OAHWND)ghApp, WM_GRAPHNOTIFY, 0));
if (!g_bAudioOnly)
{
JIF(pVW->put_Owner((OAHWND)ghApp));
JIF(pVW->put_WindowStyle(WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN));
JIF(InitVideoWindow(1, 1));
GetFrameStepInterface();
}
else
{
JIF(InitPlayerWindow());
}
// Let's get ready to rumble!
CheckSizeMenu(ID_FILE_SIZE_NORMAL);
ShowWindow(ghApp, SW_SHOWNORMAL);
UpdateWindow(ghApp);
SetForegroundWindow(ghApp);
SetFocus(ghApp);
g_bFullscreen = FALSE;
g_PlaybackRate = 1.0;
UpdateMainTitle();
#ifdef REGISTER_FILTERGRAPH
hr = AddGraphToRot(pGB, &g_dwGraphRegister);
if (FAILED(hr))
{
Msg(TEXT("Failed to register filter graph with ROT! hr=0x%x"), hr);
g_dwGraphRegister = 0;
}
#endif
// Run the graph to play the media file
JIF(pMC->Run());
g_psCurrent=Running;
SetFocus(ghApp);
}
return hr;
}
HRESULT HandleNoRightsEx( HRESULT hrStatus, WM_GET_LICENSE_DATA * pLicenseData )
{
HRESULT hr = S_OK;
BOOL fMonitoring = FALSE;
BSTR bstrURL = NULL;
if((NULL == pLicenseData) || (NULL == pLicenseData->wszLocalFilename))
{
return E_INVALIDARG;
}
if (FAILED(hrStatus) && (NS_E_DRM_NO_RIGHTS != hrStatus))
{
Msg(TEXT("Unable to obtain proper license!! Aborting playback...\r\n"));
hr = hrStatus;
return hr;
}
if( TRUE )
{
IServiceProvider *pServiceProvider;
JIF(g_pReader->QueryInterface(IID_IServiceProvider, (void **) &pServiceProvider));
JIF(pServiceProvider->QueryService(IID_IWMDRMReader, IID_IWMDRMReader,
(void **) &g_pDRMReader));
pServiceProvider->Release();
// do silent license acquisition
hr = g_pDRMReader->AcquireLicense(TRUE);
if (FAILED(hr))
{
Msg(TEXT("AcquireLicense Failed! hr=0x%x\n"), hr);
SAFE_RELEASE(g_pDRMReader);
return hr;
}
}
else // non-silent acquisition
{
// convert wszs to bstrs so we can pass them to core
bstrURL = SysAllocString(pLicenseData->wszLocalFilename);
if (!bstrURL)
{
hr = E_OUTOFMEMORY;
}
else
{
// start license monitoring
hr = g_pDRMReader->MonitorLicenseAcquisition();
if (FAILED(hr))
{
// wmp explicitly ignores hr here
g_pDRMReader->CancelMonitorLicenseAcquisition();
}
else
{
fMonitoring = true;
}
SysFreeString(bstrURL);
}
}
SAFE_RELEASE(g_pDRMReader);
return hr;
}
HRESULT PlayMovieInWindow(LPTSTR szFile, BOOL bReOpenAfterLicenseAcquired)
{
USES_CONVERSION;
WCHAR wFile[MAX_PATH];
HRESULT hr;
// Check input string
if (!szFile)
return E_POINTER;
// Clear open dialog remnants before calling RenderFile()
UpdateWindow(ghApp);
// Convert filename to wide character string
wcsncpy(wFile, T2W(szFile), NUMELMS(wFile)-1);
wFile[MAX_PATH-1] = 0;
// First pass of rendering the media file. If a DRM license must
// be acquired before the file can be loaded, then the reopen flag
// will be set.
if( !bReOpenAfterLicenseAcquired )
{
// Get the interface for DirectShow's GraphBuilder
JIF(CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&pGB));
JIF(pGB->QueryInterface(IID_IMediaEventEx, (void **)&pME));
if(SUCCEEDED(hr))
{
// Have the graph signal event via window callbacks
//
// Start this before we insert the reader filter, since we may need
// to monitor DRM license acquistion messages on reader creation
//
JIF(pME->SetNotifyWindow((OAHWND)ghApp, WM_GRAPHNOTIFY, 0));
// Use special handling for Windows Media files
if (IsWindowsMediaFile(szFile))
{
// Load the improved ASF reader filter by CLSID
hr = CreateFilter(CLSID_WMAsfReader, &g_pReader);
if(FAILED(hr))
{
Msg(TEXT("Failed to create WMAsfWriter filter! hr=0x%x\0"), hr);
return hr;
}
// Add the ASF reader filter to the graph. For ASF/WMV/WMA content,
// this filter is NOT the default and must be added explicitly.
hr = pGB->AddFilter(g_pReader, L"ASF Reader");
if(FAILED(hr))
{
Msg(TEXT("Failed to add ASF reader filter to graph! hr=0x%x\0"), hr);
return hr;
}
// Create the key provider that will be used to unlock the WM SDK
JIF(AddKeyProvider(pGB));
// Create the DRM license event
g_hLicenseEvent = CreateEvent( NULL, FALSE, FALSE, NULL );
if( !g_hLicenseEvent )
{
return E_OUTOFMEMORY;
}
// Set its source filename
JIF(g_pReader->QueryInterface(IID_IFileSourceFilter, (void **) &g_pFileSource));
// Attempt to load this file
hr = g_pFileSource->Load(wFile, NULL);
// Handle Digital Rights Management (DRM) errors
if(NS_E_LICENSE_REQUIRED == hr)
{
Msg(TEXT("This media file is protected by DRM and needs a license.\r\n\r\n")
TEXT("Attempting to acquire a license...\0"));
g_bWaitingForLicense = TRUE;
return hr;
}
else if(NS_E_PROTECTED_CONTENT == hr)
{
Msg(TEXT("This media file is protected by DRM and needs a license.\r\n\r\n")
TEXT("In order to play DRM-encoded content, you must acquire a DRM stub library\r\n")
TEXT("from Microsoft and link it with this application. The default version of\r\n")
TEXT("the WMStub.lib library does not support Digital Rights Management (DRM)."));
return hr;
}
else if (FAILED(hr))
{
Msg(TEXT("Failed to load file in source filter (g_pFileSource->Load())! hr=0x%x\0"), hr);
return hr;
}
// Render the output pins of the ASF reader to build the
// remainder of the graph automatically
JIF(RenderOutputPins(pGB, g_pReader));
// Since the graph is built and the filters are added to the graph,
// the WM ASF reader interface can be released.
g_pReader->Release();
g_pReader = NULL;
}
// Not a Windows Media file, so just render the standard way
else
{
// Have the graph builder construct the appropriate graph automatically
JIF(pGB->RenderFile(wFile, NULL));
}
}
}
else
{
hr = g_pFileSource->Load(wFile, NULL);
if( SUCCEEDED( hr ) )
{
Msg(TEXT("Successfully loaded file after DRM license acquisition!"));
// Render the output pins of the ASF reader to build the
// remainder of the graph automatically
JIF(RenderOutputPins(pGB, g_pReader));
// Since the graph is built and the filters are added to the graph,
// the WM ASF reader interface can be released.
g_pReader->Release(); // not really necessary
g_pReader = NULL;
}
else
{
Msg(TEXT("Failed to Load file after acquiring license! hr=0x%x\0"), hr);
}
}
if( SUCCEEDED( hr ) )
{
// QueryInterface for DirectShow interfaces
JIF(pGB->QueryInterface(IID_IMediaControl, (void **)&pMC));
JIF(pGB->QueryInterface(IID_IMediaSeeking, (void **)&pMS));
// Query for video interfaces, which may not be relevant for audio files
JIF(pGB->QueryInterface(IID_IVideoWindow, (void **)&pVW));
JIF(pGB->QueryInterface(IID_IBasicVideo, (void **)&pBV));
// Query for audio interfaces, which may not be relevant for video-only files
JIF(pGB->QueryInterface(IID_IBasicAudio, (void **)&pBA));
// Is this an audio-only file (no video component)?
CheckVisibility();
if (!g_bAudioOnly)
{
// Setup the video window
JIF(pVW->put_Owner((OAHWND)ghApp));
JIF(pVW->put_WindowStyle(WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN));
JIF(InitVideoWindow(1, 1));
GetFrameStepInterface();
}
else
{
// Initialize the default player size and enable playback menu items
JIF(InitPlayerWindow());
EnablePlaybackMenu(TRUE, AUDIO);
}
// Complete window initialization
CheckSizeMenu(ID_FILE_SIZE_NORMAL);
ShowWindow(ghApp, SW_SHOWNORMAL);
UpdateWindow(ghApp);
SetForegroundWindow(ghApp);
g_bFullscreen = FALSE;
UpdateMainTitle();
#ifdef REGISTER_FILTERGRAPH
hr = AddGraphToRot(pGB, &g_dwGraphRegister);
if (FAILED(hr))
{
Msg(TEXT("Failed to register filter graph with ROT! hr=0x%x"), hr);
g_dwGraphRegister = 0;
}
#endif
// Run the graph to play the media file
JIF(pMC->Run());
g_psCurrent=Running;
SetFocus(ghApp);
}
return hr;
}
HRESULT PlayMovieInWindow(LPTSTR szFile)
{
HRESULT hr;
// Check input string
if (szFile == NULL)
return E_POINTER;
// Clear open dialog remnants before calling RenderFile()
UpdateWindow(ghApp);
// Get the interface for DirectShow's GraphBuilder
JIF(CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&pGB));
if(SUCCEEDED(hr))
{
SmartPtr <IBaseFilter> pVmr;
// Create the Video Mixing Renderer and add it to the graph
JIF(InitializeWindowlessVMR(&pVmr));
// Render the file programmatically to use the VMR9 as renderer.
// Pass TRUE to create an audio renderer also.
if (FAILED(hr = RenderFileToVideoRenderer(pGB, szFile, TRUE)))
return hr;
// QueryInterface for DirectShow interfaces
JIF(pGB->QueryInterface(IID_IMediaControl, (void **)&pMC));
JIF(pGB->QueryInterface(IID_IMediaEventEx, (void **)&pME));
JIF(pGB->QueryInterface(IID_IMediaSeeking, (void **)&pMS));
JIF(pGB->QueryInterface(IID_IBasicAudio, (void **)&pBA));
// Is this an audio-only file (no video component)?
if (CheckVideoVisibility())
{
JIF(InitVideoWindow(1, 1));
}
else
{
// This sample requires a video clip to be loaded
Msg(TEXT("This sample requires media with a video component. ")
TEXT("Please select another file."));
return E_FAIL;
}
// Add the bitmap to the VMR's input
BlendApplicationImage(ghApp);
// Have the graph signal event via window callbacks for performance
JIF(pME->SetNotifyWindow((OAHWND)ghApp, WM_GRAPHNOTIFY, 0));
// Complete the window setup
ShowWindow(ghApp, SW_SHOWNORMAL);
UpdateWindow(ghApp);
SetForegroundWindow(ghApp);
SetFocus(ghApp);
UpdateMainTitle();
#ifdef REGISTER_FILTERGRAPH
hr = AddGraphToRot(pGB, &g_dwGraphRegister);
if (FAILED(hr))
{
Msg(TEXT("Failed to register filter graph with ROT! hr=0x%x"), hr);
g_dwGraphRegister = 0;
}
#endif
// Run the graph to play the media file
JIF(pMC->Run());
g_psCurrent=Running;
}
return hr;
}
