long video_get_width(int id) {
get_videor(videoStruct, id, -1);
IBasicVideo *pBasicVideo;
videoStruct->pGraph->QueryInterface(IID_IBasicVideo,
(LPVOID *)&pBasicVideo);
// obtain width
long width;
pBasicVideo->get_VideoWidth(&width);
// release
pBasicVideo->Release();
return width;
}
/*
* Class: sage_DShowMediaPlayer
* Method: getVideoDimensions0
* Signature: (J)Ljava/awt/Dimension;
*/
JNIEXPORT jobject JNICALL Java_sage_DShowMediaPlayer_getVideoDimensions0
(JNIEnv *env, jobject jo, jlong dataPtr)
{
if (!dataPtr) return NULL;
CPlayerData* playData = (CPlayerData*) dataPtr;
IGraphBuilder* pGraph = playData->GetGraph();
if (!pGraph) return JNI_FALSE;
IBasicVideo* pBV = NULL;
HRESULT hr = pGraph->QueryInterface(IID_IBasicVideo, (void**)&pBV);
if (SUCCEEDED(hr))
{
long nativeWidth, nativeHeight;
hr = pBV->get_VideoWidth(&nativeWidth);
if (FAILED(hr)) { SAFE_RELEASE(pBV); return NULL; }
hr = pBV->get_VideoHeight(&nativeHeight);
if (FAILED(hr)) { SAFE_RELEASE(pBV); return NULL; }
static jclass dimClass = (jclass) env->NewGlobalRef(env->FindClass("java/awt/Dimension"));
static jmethodID constMeth = env->GetMethodID(dimClass, "<init>", "(II)V");
jobject dimObj = env->NewObject(dimClass, constMeth, nativeWidth, nativeHeight);
SAFE_RELEASE(pBV);
return dimObj;
}
return NULL;
}
HRESULT fsPartMediaPlayer::Open(HANDLE hFile, UINT64 uMaxAvail)
{
HRESULT hr;
Close ();
m_stream.Attach (hFile, uMaxAvail);
if (m_stream.Get_MediaType () == NULL)
return E_FAIL;
m_reader.Set_MediaType (m_stream.Get_MediaType ());
RIF (CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IGraphBuilder, (void**) &m_pGB));
IFilterGraph* pFG = NULL;
RIF (m_pGB->QueryInterface (IID_IFilterGraph, (void**)&pFG));
RIF (pFG->AddFilter (&m_reader, NULL));
pFG->Release ();
RIF (m_pGB->Render (m_reader.GetPin (0)));
RIF (m_pGB->QueryInterface (IID_IMediaControl, (void**)&m_pMC));
RIF (m_pGB->QueryInterface (IID_IMediaEventEx, (void**)&m_pME));
RIF (m_pGB->QueryInterface (IID_IMediaSeeking, (void**)&m_pMS));
m_pGB->QueryInterface (IID_IVideoWindow, (void**)&m_pVW);
m_pGB->QueryInterface (IID_IBasicAudio, (void**)&m_pBA);
IBasicVideo* pBV = NULL;
m_pGB->QueryInterface (IID_IBasicVideo, (void**) &pBV);
if (pBV != NULL)
{
long nW, nH;
pBV->get_VideoWidth (&nW);
pBV->get_VideoHeight (&nH);
m_fVideoRatio = (double)nW / nH;
pBV->Release ();
}
else
{
m_fVideoRatio = 1;
}
if (m_pVW)
{
if (FAILED (m_pVW->put_MessageDrain ((OAHWND)m_hOutWnd)))
{
SAFE_RELEASE (m_pVW);
}
}
RIF (m_pME->SetNotifyWindow ((OAHWND)m_hOutWnd, WM_VIDEONOTIFY, LONG(this)));
if (m_pVW)
{
m_pVW->put_Visible (OAFALSE);
m_pVW->put_WindowStyle (WS_CHILD);
m_pVW->put_Owner ((OAHWND)m_hOutWnd);
AutoSize ();
m_pVW->put_Visible (OATRUE);
m_pVW->SetWindowForeground (-1);
}
m_state = VFPS_STOPPED;
return S_OK;
}
HRESULT fsPartMediaPlayer::Open2(LPCSTR pszFile)
{
HRESULT hr;
Close ();
RIF (CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**) &m_pGB));
WCHAR wszFile [MAX_PATH];
MultiByteToWideChar (CP_ACP, 0, pszFile, -1, wszFile, MAX_PATH);
RIF (m_pGB->RenderFile (wszFile, NULL));
RIF (m_pGB->QueryInterface (IID_IMediaControl, (void**) &m_pMC));
RIF (m_pGB->QueryInterface (IID_IMediaEventEx, (void**) &m_pME));
RIF (m_pGB->QueryInterface (IID_IMediaSeeking, (void**) &m_pMS));
m_pGB->QueryInterface (IID_IVideoWindow, (void**) &m_pVW);
IBasicVideo* pBV = NULL;
m_pGB->QueryInterface (IID_IBasicVideo, (void**) &pBV);
if (pBV != NULL)
{
long nW, nH;
pBV->get_VideoWidth (&nW);
pBV->get_VideoHeight (&nH);
m_fVideoRatio = (double)nW / nH;
}
else
{
m_fVideoRatio = 1;
}
RIF (m_pGB->QueryInterface (IID_IBasicAudio, (void**) &m_pBA));
BOOL bAudioOnly = m_pVW == NULL || pBV == NULL;
if (pBV)
pBV->Release ();
if (bAudioOnly == FALSE)
{
long l;
if (FAILED (m_pVW->get_Visible (&l)))
bAudioOnly = TRUE;
}
if (m_pVW)
{
if (FAILED (m_pVW->put_MessageDrain ((OAHWND)m_hOutWnd)))
{
SAFE_RELEASE (m_pVW);
}
}
RIF (m_pME->SetNotifyWindow ((OAHWND)m_hOutWnd, WM_VIDEONOTIFY, LONG(this)));
if (m_pVW)
{
m_pVW->put_Visible (OAFALSE);
m_pVW->put_WindowStyle (WS_CHILD);
m_pVW->put_Owner ((OAHWND)m_hOutWnd);
AutoSize ();
m_pVW->put_Visible (OATRUE);
m_pVW->SetWindowForeground (-1);
}
m_state = VFPS_STOPPED;
return S_OK;
}
