Aegisub/core/vfr.h
2006-01-16 21:02:54 +00:00

135 lines
3.3 KiB
C++

// Copyright (c) 2005, Rodrigo Braz Monteiro
// 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
//
#pragma once
///////////
// Headers
#include <list>
#include <vector>
#include <wx/wxprec.h>
///////////////////////
// Framerate type enum
enum ASS_FrameRateType {
NONE,
CFR,
VFR
};
///////////////////////
// Base abstract class
class VFR_Base {
public:
virtual int GetFrameAtTime(int ms)=0;
virtual int GetTimeAtFrame(int frame)=0;
virtual double GetAverage()=0;
};
////////////////////////
// V1 Timecodes Classes
class VFR_v1_Range {
public:
bool isDefault;
int start;
int end;
double fps;
};
class VFR_v1 : public VFR_Base {
private:
std::list<VFR_v1_Range> Range;
double DefaultFPS;
public:
VFR_v1();
~VFR_v1();
void Clear();
void AddRange(int start,int end,double fps,bool isdefault);
int GetFrameAtTime(int ms);
int GetTimeAtFrame(int frame);
double GetAverage();
};
//////////////////////
// V2 Timecodes Class
class VFR_v2 : public VFR_Base {
public:
std::vector<double> Frame;
VFR_v2();
~VFR_v2();
void Clear();
void AddFrame(double fps);
int GetFrameAtTime(int ms);
int GetTimeAtFrame(int frame);
double GetAverage();
};
///////////////////
// Framerate class
class FrameRate {
public:
FrameRate();
~FrameRate();
wxString vfrFile;
bool loaded;
ASS_FrameRateType FrameRateType;
double AverageFrameRate;
VFR_Base *vfr;
void SetCFR(double fps,bool ifunset=false);
void Load(wxString file);
void Unload();
int GetFrameAtTime(int ms);
int GetTimeAtFrame(int frame);
int CorrectFrameAtTime(int ms,bool start);
int CorrectTimeAtFrame(int frame,bool start);
double GetTrueRate(double fps);
};
///////////
// Globals
extern FrameRate VFR_Output;
extern FrameRate VFR_Input;