Aegisub/aegisub/lavc_keyframes.h

// Copyright (c) 2007, 2points
// 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
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// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//

#pragma once

#include <wx/wxprec.h>
#include "lavc_file.h"
#include <vector>

struct LAVCFrameInfo {
	int64_t DTS;
	bool isKeyFrame;
	LAVCFrameInfo(int64_t ADTS, bool isAKeyFrame) : DTS(ADTS), isKeyFrame(isAKeyFrame) {};
};

typedef std::vector<LAVCFrameInfo> LAVCFrameInfoVector;

class LAVCKeyFrames {
	private:
		LAVCFile* file;					// Video file
		AVStream* stream;				// Used stream
		int streamN;					// Stream index
		int numFrames;					// number of frames in the video
	protected:
		LAVCFrameInfoVector framesData;
	public:
		LAVCKeyFrames(const Aegisub::String filename);
		~LAVCKeyFrames();
		wxArrayInt GetKeyFrames();
		int GetNumFrames();
		LAVCFrameInfoVector GetFrameData();
};