142 lines
3.3 KiB
C++
142 lines
3.3 KiB
C++
/*
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Copyright (C) 2003 - 2018 by David White <dave@whitevine.net>
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Copyright (C) 2009 - 2018 by Iris Morelle <shadowm2006@gmail.com>
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Part of the Battle for Wesnoth Project https://www.wesnoth.org/
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY.
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See the COPYING file for more details.
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*/
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#include "sound_music_track.hpp"
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#include "config.hpp"
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#include "filesystem.hpp"
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#include "log.hpp"
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#include "serialization/string_utils.hpp"
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#if !defined(_WIN32) && !defined(__APPLE__)
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#include "vorbis/vorbisfile.h"
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#endif
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static lg::log_domain log_audio("audio");
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#define ERR_AUDIO LOG_STREAM(err, log_audio)
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#define LOG_AUDIO LOG_STREAM(info, log_audio)
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namespace sound {
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music_track::music_track() :
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id_(),
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file_path_(),
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ms_before_(0),
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ms_after_(0),
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once_(false),
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append_(false),
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immediate_(false),
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shuffle_(true)
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{
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}
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music_track::music_track(const config& node) :
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id_(node["name"]),
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file_path_(),
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title_(node["title"]),
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ms_before_(node["ms_before"]),
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ms_after_(node["ms_after"]),
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once_(node["play_once"].to_bool()),
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append_(node["append"].to_bool()),
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immediate_(node["immediate"].to_bool()),
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shuffle_(node["shuffle"].to_bool(true))
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{
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resolve();
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}
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music_track::music_track(const std::string& v_name) :
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id_(v_name),
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file_path_(),
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title_(),
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ms_before_(0),
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ms_after_(0),
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once_(false),
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append_(false),
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immediate_(false),
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shuffle_(true)
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{
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resolve();
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}
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void music_track::resolve()
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{
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if (id_.empty()) {
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LOG_AUDIO << "empty track filename specified for track identification\n";
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return;
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}
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file_path_ = filesystem::get_binary_file_location("music", id_);
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if (file_path_.empty()) {
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LOG_AUDIO << "could not find track '" << id_ << "' for track identification\n";
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return;
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}
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#if !defined(_WIN32) && !defined(__APPLE__)
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if (title_.empty()) {
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FILE* f;
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f = fopen(file_path_.c_str(), "r");
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if (f == nullptr) {
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LOG_AUDIO << "Error opening file '" << file_path_
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<< "' for track identification\n";
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return;
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}
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OggVorbis_File vf;
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if(ov_open(f, &vf, nullptr, 0) < 0) {
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LOG_AUDIO << "track does not appear to be an Ogg file '"
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<< id_ << "', cannot be identified\n";
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ov_clear(&vf);
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return;
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}
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vorbis_comment* comments = ov_comment(&vf, -1);
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char** user_comments = comments->user_comments;
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bool found = false;
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for (int i=0; i< comments->comments; i++) {
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const std::string comment_string(user_comments[i]);
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const std::vector<std::string> comment_list = utils::split(comment_string, '=');
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if (comment_list[0] == "TITLE" || comment_list[0] == "title") {
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title_ = comment_list[1];
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found = true;
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}
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}
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if (!found) {
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LOG_AUDIO << "No title for music track '" << id_ << "'\n";
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}
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ov_clear(&vf);
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}
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#endif
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LOG_AUDIO << "resolved music track '" << id_ << "' into '" << file_path_ << "'\n";
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}
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void music_track::write(config &parent_node, bool append) const
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{
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config& m = parent_node.add_child("music");
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m["name"] = id_;
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m["ms_before"] = ms_before_;
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m["ms_after"] = ms_after_;
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if(append) {
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m["append"] = true;
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}
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//default behaviour is to shuffle
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m["shuffle"] = shuffle_;
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}
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} /* end namespace sound */
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