mirror of https://github.com/odrling/Aegisub
326 lines
8.8 KiB
C++
326 lines
8.8 KiB
C++
// Copyright (c) 2006, Rodrigo Braz Monteiro, Mike Matsnev
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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///////////
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// Headers
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#include <wx/wxprec.h>
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#ifdef __WINDOWS__
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#ifdef USE_DIRECTSHOW
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#pragma warning(disable: 4995)
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#include <wx/image.h>
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#include <windows.h>
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#include <tchar.h>
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#include <initguid.h>
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#include "video_provider_dshow.h"
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#include "utils.h"
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#include "vfr.h"
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// CLSID for videosink: {F13D3732-96BD-4108-AFEB-E85F68FF64DC}
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DEFINE_GUID(CLSID_VideoSink, 0xf13d3732, 0x96bd, 0x4108, 0xaf, 0xeb, 0xe8, 0x5f, 0x68, 0xff, 0x64, 0xdc);
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///////////////
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// Constructor
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// Based on Haali's code for DirectShowSource2
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DirectShowVideoProvider::DirectShowVideoProvider(wxString _filename, wxString _subfilename) {
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m_hFrameReady = CreateEvent(NULL, FALSE, FALSE, NULL);
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OpenVideo(_filename);
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}
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//////////////
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// Destructor
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DirectShowVideoProvider::~DirectShowVideoProvider() {
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}
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////////////
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// Get pin
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// Code by Haali
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#define ENUM_FILTERS(graph, var) for (CComPtr<IEnumFilters> __pEF__; !__pEF__ && SUCCEEDED(graph->EnumFilters(&__pEF__)); ) for (CComPtr<IBaseFilter> var; __pEF__->Next(1, &var, NULL) == S_OK; var.Release())
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#define ENUM_PINS(filter, var) for (CComPtr<IEnumPins> __pEP__; !__pEP__ && SUCCEEDED(filter->EnumPins(&__pEP__)); ) for (CComPtr<IPin> var; __pEP__->Next(1, &var, NULL) == S_OK; var.Release())
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class MTPtr {
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AM_MEDIA_TYPE *pMT;
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MTPtr(const MTPtr&);
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MTPtr& operator=(const MTPtr&);
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public:
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MTPtr() : pMT(NULL) { }
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~MTPtr() { DeleteMediaType(pMT); }
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AM_MEDIA_TYPE *operator->() { return pMT; }
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const AM_MEDIA_TYPE *operator->() const { return pMT; }
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operator AM_MEDIA_TYPE *() { return pMT; }
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AM_MEDIA_TYPE **operator&() { DeleteMediaType(pMT); pMT = NULL; return &pMT; }
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static void FreeMediaType(AM_MEDIA_TYPE *pMT) {
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if (pMT == NULL)
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return;
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if (pMT->cbFormat > 0) {
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CoTaskMemFree(pMT->pbFormat);
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pMT->pbFormat = NULL;
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pMT->cbFormat = 0;
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}
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if (pMT->pUnk) {
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pMT->pUnk->Release();
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pMT->pUnk = NULL;
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}
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}
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static void DeleteMediaType(AM_MEDIA_TYPE *pMT) {
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if (pMT == NULL)
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return;
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if (pMT->cbFormat > 0)
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CoTaskMemFree(pMT->pbFormat);
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if (pMT->pUnk)
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pMT->pUnk->Release();
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CoTaskMemFree(pMT);
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}
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};
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#define ENUM_MT(pin, var) for (CComPtr<IEnumMediaTypes> __pEMT__; !__pEMT__ && SUCCEEDED(pin->EnumMediaTypes(&__pEMT__)); ) for (MTPtr var; __pEMT__->Next(1, &var, NULL) == S_OK; )
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CComPtr<IPin> GetPin(IBaseFilter *pF, bool include_connected, PIN_DIRECTION dir, const GUID *pMT = NULL) {
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if (pF == NULL)
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return CComPtr<IPin>();
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ENUM_PINS(pF, pP) {
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PIN_DIRECTION pd;
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if (FAILED(pP->QueryDirection(&pd)))
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continue;
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if (pd == dir) {
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if (!include_connected) {
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CComPtr<IPin> pQ;
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if (SUCCEEDED(pP->ConnectedTo(&pQ)))
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continue;
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}
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if (pMT == NULL)
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return pP;
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ENUM_MT(pP, MT)
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if (MT->majortype == *pMT)
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return pP;
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}
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}
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return CComPtr<IPin>();
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}
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////////////////////
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// More Haali stuff
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void DirectShowVideoProvider::RegROT() {
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if (!m_pGC || m_registered)
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return;
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CComPtr<IRunningObjectTable> rot;
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if (FAILED(GetRunningObjectTable(0, &rot)))
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return;
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CStringA name;
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name.Format("FilterGraph %08p pid %08x (avss)", m_pGC.p, GetCurrentProcessId());
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CComPtr<IMoniker> mk;
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if (FAILED(CreateItemMoniker(L"!", CA2W(name), &mk)))
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return;
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if (SUCCEEDED(rot->Register(ROTFLAGS_REGISTRATIONKEEPSALIVE, m_pGC, mk, &m_rot_cookie)))
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m_registered = true;
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}
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void DirectShowVideoProvider::UnregROT() {
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if (!m_registered)
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return;
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CComPtr<IRunningObjectTable> rot;
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if (FAILED(GetRunningObjectTable(0, &rot)))
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return;
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if (SUCCEEDED(rot->Revoke(m_rot_cookie)))
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m_registered = false;
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}
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//////////////
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// Open video
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HRESULT DirectShowVideoProvider::OpenVideo(wxString _filename) {
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HRESULT hr;
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// Create an instance of the Filter Graph
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CComPtr<IGraphBuilder> pG;
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if (FAILED(hr = pG.CoCreateInstance(CLSID_FilterGraph))) return hr;
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// Create an Instance of the Video Sink
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CComPtr<IBaseFilter> pR;
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CLSID CLSID_VideoSink;
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CLSIDFromString(L"{F13D3732-96BD-4108-AFEB-E85F68FF64DC}",&CLSID_VideoSink);
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if (FAILED(hr = pR.CoCreateInstance(CLSID_VideoSink))) return hr;
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// Add VideoSink to graph
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pG->AddFilter(pR, L"VideoSink");
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// Create instance of sink (??)
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CComQIPtr<IVideoSink> sink(pR);
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if (!sink) return E_NOINTERFACE;
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// Create another instance of sink (??)
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CComQIPtr<IVideoSink2> sink2(pR);
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if (!sink2) return E_NOINTERFACE;
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// Set allowed types for sink
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sink->SetAllowedTypes(IVS_RGB32|IVS_YV12|IVS_YUY2);
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// I have no clue
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ResetEvent(m_hFrameReady);
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sink2->NotifyFrame(m_hFrameReady);
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// Create source filter and add it to graph
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CComPtr<IBaseFilter> pS;
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if (FAILED(hr = pG->AddSourceFilter(_filename.wc_str(), NULL, &pS))) return hr;
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// Property bag? The heck is this?
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// Is this supposed to make it "interactive", enabling some actions?
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// I have no clue.
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CComQIPtr<IPropertyBag> pPB(pS);
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if (pPB) pPB->Write(L"ui.interactive", &CComVariant(0u, VT_UI4));
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// Get source's output pin
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CComPtr<IPin> pO(GetPin(pS, false, PINDIR_OUTPUT, &MEDIATYPE_Video));
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if (!pO) pO = GetPin(pS, false, PINDIR_OUTPUT, &MEDIATYPE_Stream);
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// Get sink's input pin
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CComPtr<IPin> pI(GetPin(pR, false, PINDIR_INPUT));
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// Check if pins are ok
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if (!pO || !pI) return E_FAIL;
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// Connect pins
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if (FAILED(hr = pG->Connect(pO, pI))) return hr;
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// Add control stuff to graph
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CComQIPtr<IMediaControl> mc(pG);
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CComQIPtr<IMediaSeeking> ms(pG);
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// See if they were created correctly
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if (!mc || !ms) return E_NOINTERFACE;
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// Run MediaControl, initiating the data flow through it
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if (FAILED(hr = mc->Run())) return hr;
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// Get state from media seeking (??)
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OAFilterState fs;
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if (FAILED(hr = mc->GetState(2000, &fs))) return hr;
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// Wait up to 5 seconds for the first frame to arrive
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if (WaitForSingleObject(m_hFrameReady, 5000) != WAIT_OBJECT_0) return E_FAIL;
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// Get frame format
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long long defd;
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unsigned type, arx, ary;
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if (FAILED(hr = sink2->GetFrameFormat(&type, &width, &height, &arx, &ary, &defd))) return hr;
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// Get video duration
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REFERENCE_TIME duration;
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if (FAILED(hr = ms->GetDuration(&duration))) return hr;
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// Length of each frame? (??)
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if (defd == 0) defd = 400000;
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// No clue, either
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int avgf = 0;
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if (avgf > 0) defd = avgf;
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// Set pixel type
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//switch (type) {
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// case IVS_RGB32: m_vi.pixel_type = VideoInfo::CS_BGR32; break;
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// case IVS_YUY2: m_vi.pixel_type = VideoInfo::CS_YUY2; break;
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// case IVS_YV12: m_vi.pixel_type = VideoInfo::CS_YV12; break;
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// default: return E_FAIL;
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//}
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// Set number of frames and fps
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num_frames = duration / defd;
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fps = double(10000000) / double(defd);
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// Set frame length
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//m_avgframe = defd;
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// Store filters
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m_pR = sink;
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m_pGC = mc;
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m_pGS = ms;
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// Flag frame as ready?
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SetEvent(m_hFrameReady);
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// No idea
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RegROT();
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// Set frame count
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//m_f.SetCount(m_vi.num_frames);
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return hr;
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}
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////////////////
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// Refresh subs
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void DirectShowVideoProvider::RefreshSubtitles() {
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}
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///////////
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// Set DAR
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void DirectShowVideoProvider::SetDAR(double _dar) {
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}
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////////////
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// Set Zoom
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void DirectShowVideoProvider::SetZoom(double _zoom) {
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}
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///////////////////
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// Get float frame
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void DirectShowVideoProvider::GetFloatFrame(float* Buffer, int n) {
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}
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#endif
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#endif
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