static HRESULT WINAPI IMediaSeeking_fnCheckCapabilities(IMediaSeeking* iface,DWORD* pdwCaps) { CFilterGraph_THIS(iface,mediaseeking); HRESULT hr = E_NOTIMPL; HRESULT hrFilter; DWORD n; TRACE("(%p)->()\n",This); EnterCriticalSection( &This->m_csFilters ); for ( n = 0; n < This->m_cActiveFilters; n++ ) { if ( This->m_pActiveFilters[n].pSeeking != NULL ) { hrFilter = IMediaSeeking_CheckCapabilities( This->m_pActiveFilters[n].pSeeking, pdwCaps ); if ( hr == E_NOTIMPL ) { hr = hrFilter; } else if ( hrFilter != E_NOTIMPL ) { if ( SUCCEEDED(hr) ) hr = hrFilter; } } } LeaveCriticalSection( &This->m_csFilters ); return hr; }
static HRESULT WINAPI MediaSeekingPassThru_CheckCapabilities(IMediaSeeking * iface, DWORD * pCapabilities) { PassThruImpl *This = impl_from_IMediaSeeking(iface); IMediaSeeking *seek; HRESULT hr; TRACE("(%p/%p)->(%p)\n", iface, This, pCapabilities); hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek); if (SUCCEEDED(hr)) { hr = IMediaSeeking_CheckCapabilities(seek, pCapabilities); IMediaSeeking_Release(seek); } else return E_NOTIMPL; return hr; }