godot/modules/minimp3/resource_importer_mp3.cpp

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/**************************************************************************/
/* resource_importer_mp3.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "resource_importer_mp3.h"
#include "core/io/file_access.h"
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#include "core/io/resource_saver.h"
#include "scene/resources/texture.h"
#ifdef TOOLS_ENABLED
#include "editor/import/audio_stream_import_settings.h"
#endif
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String ResourceImporterMP3::get_importer_name() const {
return "mp3";
}
String ResourceImporterMP3::get_visible_name() const {
return "MP3";
}
void ResourceImporterMP3::get_recognized_extensions(List<String> *p_extensions) const {
#ifndef MINIMP3_ONLY_MP3
p_extensions->push_back("mp1");
p_extensions->push_back("mp2");
#endif
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p_extensions->push_back("mp3");
}
String ResourceImporterMP3::get_save_extension() const {
return "mp3str";
}
String ResourceImporterMP3::get_resource_type() const {
return "AudioStreamMP3";
}
bool ResourceImporterMP3::get_option_visibility(const String &p_path, const String &p_option, const HashMap<StringName, Variant> &p_options) const {
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return true;
}
int ResourceImporterMP3::get_preset_count() const {
return 0;
}
String ResourceImporterMP3::get_preset_name(int p_idx) const {
return String();
}
void ResourceImporterMP3::get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset) const {
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "loop"), false));
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r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "loop_offset"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "bpm", PROPERTY_HINT_RANGE, "0,400,0.01,or_greater"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "beat_count", PROPERTY_HINT_RANGE, "0,512,or_greater"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "bar_beats", PROPERTY_HINT_RANGE, "2,32,or_greater"), 4));
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}
#ifdef TOOLS_ENABLED
bool ResourceImporterMP3::has_advanced_options() const {
return true;
}
void ResourceImporterMP3::show_advanced_options(const String &p_path) {
Ref<AudioStreamMP3> mp3_stream = import_mp3(p_path);
if (mp3_stream.is_valid()) {
AudioStreamImportSettings::get_singleton()->edit(p_path, "mp3", mp3_stream);
}
}
#endif
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Ref<AudioStreamMP3> ResourceImporterMP3::import_mp3(const String &p_path) {
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V(f.is_null(), Ref<AudioStreamMP3>());
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uint64_t len = f->get_length();
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Vector<uint8_t> data;
data.resize(len);
uint8_t *w = data.ptrw();
f->get_buffer(w, len);
Ref<AudioStreamMP3> mp3_stream;
mp3_stream.instantiate();
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mp3_stream->set_data(data);
ERR_FAIL_COND_V(!mp3_stream->get_data().size(), Ref<AudioStreamMP3>());
return mp3_stream;
}
Error ResourceImporterMP3::import(const String &p_source_file, const String &p_save_path, const HashMap<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files, Variant *r_metadata) {
bool loop = p_options["loop"];
float loop_offset = p_options["loop_offset"];
double bpm = p_options["bpm"];
float beat_count = p_options["beat_count"];
float bar_beats = p_options["bar_beats"];
Ref<AudioStreamMP3> mp3_stream = import_mp3(p_source_file);
if (mp3_stream.is_null()) {
return ERR_CANT_OPEN;
}
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mp3_stream->set_loop(loop);
mp3_stream->set_loop_offset(loop_offset);
mp3_stream->set_bpm(bpm);
mp3_stream->set_beat_count(beat_count);
mp3_stream->set_bar_beats(bar_beats);
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return ResourceSaver::save(mp3_stream, p_save_path + ".mp3str");
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}
ResourceImporterMP3::ResourceImporterMP3() {
}