292 lines
6.2 KiB
C++
292 lines
6.2 KiB
C++
// Copyright (c) 2005, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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////////////
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// Includes
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#include <fstream>
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#include <algorithm>
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#include "ass_time.h"
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#include "vfr.h"
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#include "utils.h"
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////////////////////// AssTime //////////////////////
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// AssTime constructors
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AssTime::AssTime () {
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time = 0;
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}
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////////////////////
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// Parses from ASS
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// ---------------
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// Note that this function is atomic, it won't touch the values if it's invalid.
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void AssTime::ParseASS (const wxString text) {
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// Prepare
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size_t pos = 0;
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size_t end = 0;
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long th=0,tm=0,tms=0;
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// Count the number of colons
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size_t len = text.Length();
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int colons = 0;
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for (pos=0;pos<len;pos++) if (text[pos] == _T(':')) colons++;
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pos = 0;
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// Set start so that there are only two colons at most
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if (colons > 2) {
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for (pos=0;pos<len;pos++) {
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if (text[pos] == _T(':')) {
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colons--;
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if (colons == 2) break;
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}
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}
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pos++;
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end = pos;
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}
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try {
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// Hours
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if (colons == 2) {
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while (text[end++] != _T(':'));
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th = StringToInt(text,pos,end);
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pos = end;
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}
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// Minutes
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if (colons >= 1) {
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while (text[end++] != _T(':'));
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tm = StringToInt(text,pos,end);
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pos = end;
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}
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// Miliseconds (includes seconds)
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end = text.Length();
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tms = StringToFix(text,3,pos,end);
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}
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// Something went wrong, don't change anything
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catch (...) {
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return;
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}
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// OK, set values
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time = tms + tm*60000 + th*3600000;
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}
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///////////////////
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// Parses from SRT
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void AssTime::ParseSRT (const wxString _text) {
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// Prepare
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wxString text = _text;
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text.Trim(false);
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text.Trim(true);
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long tempv;
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wxString temp;
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int ms,s,m,h;
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// Parse
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temp = text.Mid(0,2);
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temp.ToLong(&tempv);
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h = tempv;
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temp = text.Mid(3,2);
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temp.ToLong(&tempv);
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m = tempv;
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temp = text.Mid(6,2);
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temp.ToLong(&tempv);
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s = tempv;
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temp = text.Mid(9,3);
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temp.ToLong(&tempv);
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ms = tempv;
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// Set value
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time = ms + s*1000 + m*60000 + h*3600000;
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}
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//////////////////////////////////////////
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// AssTime conversion to/from miliseconds
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int AssTime::GetMS () {
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if (!UseMSPrecision) return time/10*10;
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else return time;
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}
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void AssTime::SetMS (int _ms) {
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time = _ms;
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}
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////////////////
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// ASS Formated
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wxString AssTime::GetASSFormated (bool msPrecision) {
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int h,m,s,ms;
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int _ms = time;
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// Centisecond precision
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msPrecision = msPrecision || UseMSPrecision;
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if (!msPrecision) _ms = _ms/10*10;
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// Reset
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h = m = s = ms = 0;
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if (_ms < 0) _ms = 0;
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// Hours
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while (_ms >= 3600000) {
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_ms -= 3600000;
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h++;
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}
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// Ass overflow
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if (h > 9) {
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h = 9;
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m = 59;
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s = 59;
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ms = 999;
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}
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// Minutes
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while (_ms >= 60000) {
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_ms -= 60000;
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m++;
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}
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// Seconds
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while (_ms >= 1000) {
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_ms -= 1000;
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s++;
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}
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ms = _ms;
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if (msPrecision) return wxString::Format(_T("%01i:%02i:%02i.%03i"),h,m,s,ms);
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else return wxString::Format(_T("%01i:%02i:%02i.%02i"),h,m,s,ms/10);
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}
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////////////////
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// SRT Formated
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wxString AssTime::GetSRTFormated () {
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int h,m,s,ms;
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int _ms = time;
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// Centisecond precision
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if (!UseMSPrecision) _ms = _ms/10*10;
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// Reset
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h = m = s = ms = 0;
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if (_ms < 0) _ms = 0;
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// Hours
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while (_ms >= 3600000) {
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_ms -= 3600000;
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h++;
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}
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// Ass overflow
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if (h > 9) {
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h = 9;
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m = 59;
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s = 59;
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ms = 999;
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}
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// Minutes
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while (_ms >= 60000) {
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_ms -= 60000;
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m++;
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}
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// Seconds
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while (_ms >= 1000) {
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_ms -= 1000;
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s++;
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}
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ms = _ms;
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wxString result = wxString::Format(_T("%02i:%02i:%02i,%03i"),h,m,s,ms);
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return result;
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}
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///////////////////
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// SMPTE formatted
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wxString AssTime::GetSMPTE(double fps)
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{
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int f = int(GetTimeMiliseconds() * fps / 1000.0);
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return wxString::Format(_T("%02i:%02i:%02i:%02i"),GetTimeHours(),GetTimeMinutes(),GetTimeSeconds(),f);
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}
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//////////////////////
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// AssTime comparison
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bool operator < (AssTime &t1, AssTime &t2) {
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return (t1.GetMS() < t2.GetMS());
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}
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bool operator > (AssTime &t1, AssTime &t2) {
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return (t1.GetMS() > t2.GetMS());
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}
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bool operator <= (AssTime &t1, AssTime &t2) {
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return (t1.GetMS() <= t2.GetMS());
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}
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bool operator >= (AssTime &t1, AssTime &t2) {
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return (t1.GetMS() >= t2.GetMS());
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}
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bool operator == (AssTime &t1, AssTime &t2) {
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return (t1.GetMS() == t2.GetMS());
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}
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bool operator != (AssTime &t1, AssTime &t2) {
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return (t1.GetMS() != t2.GetMS());
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}
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/////////////////
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// Static option
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bool AssTime::UseMSPrecision = false;
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///////
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// Get
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int AssTime::GetTimeHours() { return time / 3600000; }
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int AssTime::GetTimeMinutes() { return (time % 3600000)/60000; }
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int AssTime::GetTimeSeconds() { return (time % 60000)/1000; }
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int AssTime::GetTimeMiliseconds() { return (time % 1000); }
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int AssTime::GetTimeCentiseconds() { return (time % 1000)/10; }
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