forked from mia/Aegisub
103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
// Copyright (c) 2005-2006, Rodrigo Braz Monteiro, Fredrik Mellbin
|
|
// 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
|
|
//
|
|
|
|
// The FrameRate class stores all times internally as ints in ms precision
|
|
// V1 timecodes are partially expanded to v2 up until their last override line
|
|
// V2 timecodes are kept as is and if n frames beyond the end is requested a
|
|
// time is calculated by last_time+n/average_fps
|
|
|
|
#pragma once
|
|
|
|
|
|
///////////
|
|
// Headers
|
|
#include <list>
|
|
#include <vector>
|
|
#include <wx/wxprec.h>
|
|
|
|
|
|
///////////////////////
|
|
// Framerate type enum
|
|
enum ASS_FrameRateType {
|
|
NONE,
|
|
CFR,
|
|
VFR
|
|
};
|
|
|
|
///////////////////
|
|
// Framerate class
|
|
class FrameRate {
|
|
private:
|
|
double last_time;
|
|
int last_frame;
|
|
std::vector<int> Frame;
|
|
|
|
// contains the assumed fps for v1 timecodes, average for v2 and actual fps for cfr
|
|
double AverageFrameRate;
|
|
|
|
void AddFrame(int ms);
|
|
void Clear();
|
|
|
|
void CalcAverage();
|
|
int PFrameAtTime(int ms,bool useCeil=false);
|
|
int PTimeAtFrame(int frame);
|
|
|
|
ASS_FrameRateType FrameRateType;
|
|
bool loaded;
|
|
wxString vfrFile;
|
|
public:
|
|
FrameRate();
|
|
~FrameRate();
|
|
|
|
void SetCFR(double fps);
|
|
void SetVFR(std::vector<int> times);
|
|
|
|
// Loading always unloads even on failure
|
|
void Load(wxString file);
|
|
void Unload();
|
|
int GetFrameAtTime(int ms,bool start=true);
|
|
int GetTimeAtFrame(int frame,bool start=true,bool exact=false);
|
|
|
|
double GetAverage() { return AverageFrameRate; };
|
|
bool IsLoaded() { return loaded; };
|
|
ASS_FrameRateType GetFrameRateType() { return FrameRateType; };
|
|
wxString GetFilename() { return vfrFile; };
|
|
};
|
|
|
|
|
|
///////////
|
|
// Globals
|
|
extern FrameRate VFR_Output;
|
|
extern FrameRate VFR_Input;
|