84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
// Author: Torarin Hals Bakke (2012)
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// Boost Software License - Version 1.0 - August 17th, 2003
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#include "Srt.h"
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#include <fstream>
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#include <utility>
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namespace {
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unsigned int timecode_to_milliseconds(unsigned int h,
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unsigned int m,
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unsigned int s,
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unsigned int f)
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{
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return h*3600000 +
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m*60000 +
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s*1000 +
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f;
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}
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}
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template <typename T, typename U>
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T& getline(T&& input, U&& str) {
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std::getline(std::forward<T>(input), std::forward<U>(str));
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if (!str.empty() && str.back() == '\r') {
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str.resize(str.size()-1);
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}
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return input;
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}
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bool ReadSrt(const std::string& filename, std::vector<Subtitle>& subtitles) {
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std::ifstream srt(filename);
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if (!srt) return false;
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for (std::string line; getline(srt, line);) {
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unsigned int h, m, s, f, h2, m2, s2, f2;
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if (sscanf(line.c_str(), "%u:%u:%u,%u --> %u:%u:%u,%u",
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&h, &m, &s, &f, &h2, &m2, &s2, &f2)
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!= 8)
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{
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continue;
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}
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auto start = (int) timecode_to_milliseconds(h, m, s, f);
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auto stop = (int) timecode_to_milliseconds(h2, m2, s2 ,f2);
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std::vector<std::string> text_lines;
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while (getline(srt, line)) {
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if (line.empty()) break;
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text_lines.push_back(std::move(line));
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}
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if (!subtitles.empty() && subtitles.back().stop > stop)
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continue;
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subtitles.emplace_back(start, stop, std::move(text_lines));
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}
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return true;
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}
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