Aegisub/aegisub/src/video_provider_ffmpegsource.h

// Copyright (c) 2008-2009, Karl Blomster
// 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"
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// Aegisub Project http://www.aegisub.org/
//
// $Id$

/// @file video_provider_ffmpegsource.h
/// @see video_provider_ffmpegsource.cpp
/// @ingroup video_input ffms
///

///////////
// Headers
#include <wx/wxprec.h>
#ifdef WITH_FFMPEGSOURCE
#include "include/aegisub/video_provider.h"
#include "ffmpegsource_common.h"
#include "vfr.h"
#include <vector>


///////////////////////
// FFmpegSource video provider
class FFmpegSourceVideoProvider : public VideoProvider, FFmpegSourceProvider {
private:
	FFVideo *VideoSource;
	const FFVideoProperties *VideoInfo;

	int FrameNumber;
	wxArrayInt KeyFramesList;
	bool KeyFramesLoaded;
	std::vector<int> TimecodesVector;
	FrameRate Timecodes;

	AegiVideoFrame CurFrame;

	char FFMSErrMsg[1024];
	unsigned MsgSize;
	wxString ErrorMsg;

	bool COMInited;

	void LoadVideo(wxString filename);
	void Close();

protected:

public:
	FFmpegSourceVideoProvider(wxString filename);
	~FFmpegSourceVideoProvider();

	const AegiVideoFrame GetFrame(int n);
	int GetPosition();
	int GetFrameCount();

	int GetWidth();
	int GetHeight();
	double GetFPS();
	bool AreKeyFramesLoaded() { return KeyFramesLoaded; };
	wxArrayInt GetKeyFrames() { return KeyFramesList; };
	bool IsVFR() { return true; };
	FrameRate GetTrueFrameRate() { return Timecodes; };
	wxString GetDecoderName() { return L"FFmpegSource"; }
	int GetDesiredCacheSize() { return 8; }
};


///////////
// Factory
class FFmpegSourceVideoProviderFactory : public VideoProviderFactory {
public:
	VideoProvider *CreateProvider(wxString video) { return new FFmpegSourceVideoProvider(video); }
};


#endif /* WITH_FFMPEGSOURCE */