forked from mia/Aegisub
143 lines
4.5 KiB
C++
143 lines
4.5 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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#ifdef WITH_DIRECTSHOW
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#pragma warning(disable: 4995)
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#include <wx/wxprec.h>
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#ifdef __WINDOWS__
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#include <dshow.h>
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#include <atlbase.h>
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#include <atlcom.h>
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#include <atlstr.h>
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#include <atlcoll.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 "include/aegisub/video_provider.h"
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#include "videosink.h"
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#include "vfr.h"
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#include "vfw_wrap.h"
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#include "mkv_wrap.h"
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///////////////////////////////////
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// DirectShow Video Provider class
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class DirectShowVideoProvider: public VideoProvider {
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struct DF {
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public:
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REFERENCE_TIME timestamp; // DS timestamp that we used for this frame
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AegiVideoFrame frame;
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DF() : timestamp(-1) { }
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DF(AegiVideoFrame f) : timestamp(-1), frame(f) { }
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DF(const DF& f) { operator=(f); }
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DF& operator=(const DF& f) { timestamp = f.timestamp; frame = f.frame; return *this; }
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};
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private:
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Aegisub::IntArray frameTime;
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unsigned int last_fnum;
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unsigned int width;
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unsigned int height;
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unsigned int num_frames;
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double fps;
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__int64 defd;
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wxArrayInt KeyFrames;
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bool keyFramesLoaded;
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bool isVfr;
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FrameRate trueFrameRate;
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HRESULT OpenVideo(wxString _filename);
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void CloseVideo();
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static void ReadFrame(__int64 timestamp, unsigned format, unsigned bpp, const unsigned char *frame, unsigned width, unsigned height, int stride, unsigned arx, unsigned ary, void *arg);
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int NextFrame(DF &df,int &fn);
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void RegROT();
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void UnregROT();
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REFERENCE_TIME duration;
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DF rdf;
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CComPtr<IVideoSink> m_pR;
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CComPtr<IMediaControl> m_pGC;
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CComPtr<IMediaSeeking> m_pGS;
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HANDLE m_hFrameReady;
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bool m_registered;
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DWORD m_rot_cookie;
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public:
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DirectShowVideoProvider(Aegisub::String _filename, double _fps=0.0);
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~DirectShowVideoProvider();
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void RefreshSubtitles();
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const AegiVideoFrame GetFrame(int n, int formatMask);
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void GetFloatFrame(float* Buffer, int n);
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int GetPosition() { return last_fnum; };
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int GetFrameCount() { return num_frames; };
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double GetFPS() { return fps; };
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int GetWidth() { return width; };
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int GetHeight() { return height; };
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bool AreKeyFramesLoaded() { return keyFramesLoaded; };
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wxArrayInt GetKeyFrames() { return KeyFrames; };
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bool IsVFR() { return isVfr; };
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FrameRate GetTrueFrameRate() { return isVfr ? trueFrameRate : FrameRate(); };
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Aegisub::String GetDecoderName() { return L"DirectShow"; }
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bool IsNativelyByFrames() { return false; }
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void OverrideFrameTimeList(Aegisub::IntArray list);
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int GetDesiredCacheSize() { return 8; }
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};
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///////////
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// Factory
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class DirectShowVideoProviderFactory : public VideoProviderFactory {
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public:
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VideoProvider *CreateProvider(Aegisub::String video,double fps=0.0) { return new DirectShowVideoProvider(video,fps); }
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};
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#endif
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#endif
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