mirror of https://github.com/odrling/Aegisub
108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
// Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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#include <libaegisub/ass/time.h>
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#include <libaegisub/ass/smpte.h>
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#include <libaegisub/format.h>
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#include <libaegisub/util.h>
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#include <algorithm>
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#include <boost/algorithm/string/classification.hpp>
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#include <boost/algorithm/string/split.hpp>
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#include <boost/range/adaptor/filtered.hpp>
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namespace agi {
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Time::Time(int time) : time(util::mid(0, time, 10 * 60 * 60 * 1000 - 1)) { }
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Time::Time(std::string const& text) {
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int after_decimal = -1;
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int current = 0;
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for (char c : text | boost::adaptors::filtered(boost::is_any_of(",.0123456789:"))) {
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if (c == ':') {
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time = time * 60 + current;
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current = 0;
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}
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else if (c == '.' || c == ',') {
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time = (time * 60 + current) * 1000;
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current = 0;
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after_decimal = 100;
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}
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else if (after_decimal < 0) {
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current *= 10;
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current += c - '0';
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}
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else {
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time += (c - '0') * after_decimal;
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after_decimal /= 10;
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}
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}
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// Never saw a decimal, so convert now to ms
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if (after_decimal < 0)
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time = (time * 60 + current) * 1000;
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// Limit to the valid range
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time = util::mid(0, time, 10 * 60 * 60 * 1000 - 1);
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}
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std::string Time::GetAssFormatted(bool msPrecision) const {
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std::string ret(10 + msPrecision, ':');
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ret[0] = '0' + GetTimeHours();
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ret[2] = '0' + (time % (60 * 60 * 1000)) / (60 * 1000 * 10);
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ret[3] = '0' + (time % (10 * 60 * 1000)) / (60 * 1000);
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ret[5] = '0' + (time % (60 * 1000)) / (1000 * 10);
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ret[6] = '0' + (time % (10 * 1000)) / 1000;
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ret[7] = '.';
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ret[8] = '0' + (time % 1000) / 100;
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ret[9] = '0' + (time % 100) / 10;
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if (msPrecision)
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ret[10] = '0' + time % 10;
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return ret;
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}
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int Time::GetTimeHours() const { return time / 3600000; }
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int Time::GetTimeMinutes() const { return (time % 3600000) / 60000; }
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int Time::GetTimeSeconds() const { return (time % 60000) / 1000; }
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int Time::GetTimeMiliseconds() const { return (time % 1000); }
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int Time::GetTimeCentiseconds() const { return (time % 1000) / 10; }
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SmpteFormatter::SmpteFormatter(vfr::Framerate fps, std::string sep)
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: fps(std::move(fps))
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, sep(std::move(sep))
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{
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}
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std::string SmpteFormatter::ToSMPTE(Time time) const {
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int h=0, m=0, s=0, f=0;
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fps.SmpteAtTime(time, &h, &m, &s, &f);
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return format("%02d%s%02d%s%02d%s%02d", h, sep, m, sep, s, sep, f);
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}
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Time SmpteFormatter::FromSMPTE(std::string const& str) const {
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std::vector<std::string> toks;
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boost::split(toks, str, boost::is_any_of(sep));
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if (toks.size() != 4) return 0;
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int h, m, s, f;
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util::try_parse(toks[0], &h);
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util::try_parse(toks[1], &m);
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util::try_parse(toks[2], &s);
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util::try_parse(toks[3], &f);
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return fps.TimeAtSmpte(h, m, s, f);
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}
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}
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