Aegisub/aegisub/video_provider_dshow.h
2008-07-15 12:44:53 +00:00

143 lines
4.5 KiB
C++

// Copyright (c) 2006, Rodrigo Braz Monteiro, Mike Matsnev
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
///////////
// Headers
#ifdef WITH_DIRECTSHOW
#pragma warning(disable: 4995)
#include <wx/wxprec.h>
#ifdef __WINDOWS__
#include <dshow.h>
#include <atlbase.h>
#include <atlcom.h>
#include <atlstr.h>
#include <atlcoll.h>
#include <windows.h>
#include <tchar.h>
#include <initguid.h>
#include "include/aegisub/video_provider.h"
#include "videosink.h"
#include "vfr.h"
#include "vfw_wrap.h"
#include "mkv_wrap.h"
///////////////////////////////////
// DirectShow Video Provider class
class DirectShowVideoProvider: public VideoProvider {
struct DF {
public:
REFERENCE_TIME timestamp; // DS timestamp that we used for this frame
AegiVideoFrame frame;
DF() : timestamp(-1) { }
DF(AegiVideoFrame f) : timestamp(-1), frame(f) { }
DF(const DF& f) { operator=(f); }
DF& operator=(const DF& f) { timestamp = f.timestamp; frame = f.frame; return *this; }
};
private:
Aegisub::IntArray frameTime;
unsigned int last_fnum;
unsigned int width;
unsigned int height;
unsigned int num_frames;
double fps;
__int64 defd;
wxArrayInt KeyFrames;
bool keyFramesLoaded;
bool isVfr;
FrameRate trueFrameRate;
HRESULT OpenVideo(wxString _filename);
void CloseVideo();
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);
int NextFrame(DF &df,int &fn);
void RegROT();
void UnregROT();
REFERENCE_TIME duration;
DF rdf;
CComPtr<IVideoSink> m_pR;
CComPtr<IMediaControl> m_pGC;
CComPtr<IMediaSeeking> m_pGS;
HANDLE m_hFrameReady;
bool m_registered;
DWORD m_rot_cookie;
public:
DirectShowVideoProvider(Aegisub::String _filename, double _fps=0.0);
~DirectShowVideoProvider();
void RefreshSubtitles();
const AegiVideoFrame GetFrame(int n, int formatMask);
void GetFloatFrame(float* Buffer, int n);
int GetPosition() { return last_fnum; };
int GetFrameCount() { return num_frames; };
double GetFPS() { return fps; };
int GetWidth() { return width; };
int GetHeight() { return height; };
bool AreKeyFramesLoaded() { return keyFramesLoaded; };
wxArrayInt GetKeyFrames() { return KeyFrames; };
bool IsVFR() { return isVfr; };
FrameRate GetTrueFrameRate() { return isVfr ? trueFrameRate : FrameRate(); };
Aegisub::String GetDecoderName() { return L"DirectShow"; }
bool IsNativelyByFrames() { return false; }
void OverrideFrameTimeList(Aegisub::IntArray list);
int GetDesiredCacheSize() { return 8; }
};
///////////
// Factory
class DirectShowVideoProviderFactory : public VideoProviderFactory {
public:
VideoProvider *CreateProvider(Aegisub::String video,double fps=0.0) { return new DirectShowVideoProvider(video,fps); }
};
#endif
#endif