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/*************************************************************************/
/* resource_importer_ogg_vorbis.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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_ogg_vorbis.h"
#include "audio_stream_ogg_vorbis.h"
#include "core/io/file_access.h"
#include "core/io/resource_saver.h"
#include "scene/resources/texture.h"
#include "thirdparty/libogg/ogg/ogg.h"
#include "thirdparty/libvorbis/vorbis/codec.h"
String ResourceImporterOGGVorbis::get_importer_name() const {
return "oggvorbisstr";
}
String ResourceImporterOGGVorbis::get_visible_name() const {
return "oggvorbisstr";
}
void ResourceImporterOGGVorbis::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("ogg");
}
String ResourceImporterOGGVorbis::get_save_extension() const {
return "oggvorbisstr";
}
String ResourceImporterOGGVorbis::get_resource_type() const {
return "AudioStreamOGGVorbis";
}
bool ResourceImporterOGGVorbis::get_option_visibility(const String &p_path, const String &p_option, const Map<StringName, Variant> &p_options) const {
return true;
}
int ResourceImporterOGGVorbis::get_preset_count() const {
return 0;
}
String ResourceImporterOGGVorbis::get_preset_name(int p_idx) const {
return String();
}
void ResourceImporterOGGVorbis::get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset) const {
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "loop"), true));
r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "loop_offset"), 0));
}
Error ResourceImporterOGGVorbis::import(const String &p_source_file, const String &p_save_path, const Map<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"];
FileAccess *f = FileAccess::open(p_source_file, FileAccess::READ);
ERR_FAIL_COND_V_MSG(!f, ERR_CANT_OPEN, "Cannot open file '" + p_source_file + "'.");
uint64_t len = f->get_length();
Vector<uint8_t> file_data;
file_data.resize(len);
uint8_t *w = file_data.ptrw();
f->get_buffer(w, len);
memdelete(f);
Ref<AudioStreamOGGVorbis> ogg_vorbis_stream;
ogg_vorbis_stream.instantiate();
Ref<OGGPacketSequence> ogg_packet_sequence;
ogg_packet_sequence.instantiate();
ogg_stream_state stream_state;
ogg_sync_state sync_state;
ogg_page page;
ogg_packet packet;
bool initialized_stream = false;
ogg_sync_init(&sync_state);
int err;
size_t cursor = 0;
size_t packet_count = 0;
bool done = false;
while (!done) {
ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
while (ogg_sync_pageout(&sync_state, &page) != 1) {
if (cursor >= len) {
done = true;
break;
}
ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
char *sync_buf = ogg_sync_buffer(&sync_state, OGG_SYNC_BUFFER_SIZE);
ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
ERR_FAIL_COND_V(cursor > len, Error::ERR_INVALID_DATA);
size_t copy_size = len - cursor;
if (copy_size > OGG_SYNC_BUFFER_SIZE) {
copy_size = OGG_SYNC_BUFFER_SIZE;
}
memcpy(sync_buf, &file_data[cursor], copy_size);
ogg_sync_wrote(&sync_state, copy_size);
cursor += copy_size;
ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
}
if (done) {
break;
}
ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
// Have a page now.
if (!initialized_stream) {
ogg_stream_init(&stream_state, ogg_page_serialno(&page));
ERR_FAIL_COND_V_MSG((err = ogg_stream_check(&stream_state)), Error::ERR_INVALID_DATA, "Ogg stream error " + itos(err));
initialized_stream = true;
}
ERR_FAIL_COND_V_MSG((err = ogg_stream_check(&stream_state)), Error::ERR_INVALID_DATA, "Ogg stream error " + itos(err));
ogg_stream_pagein(&stream_state, &page);
ERR_FAIL_COND_V_MSG((err = ogg_stream_check(&stream_state)), Error::ERR_INVALID_DATA, "Ogg stream error " + itos(err));
int desync_iters = 0;
Vector<Vector<uint8_t>> packet_data;
int64_t granule_pos = 0;
while (true) {
err = ogg_stream_packetout(&stream_state, &packet);
if (err == -1) {
// According to the docs this is usually recoverable, but don't sit here spinning forever.
desync_iters++;
ERR_FAIL_COND_V_MSG(desync_iters > 100, Error::ERR_INVALID_DATA, "Packet sync issue during ogg import");
continue;
} else if (err == 0) {
// Not enough data to fully reconstruct a packet. Go on to the next page.
break;
}
if (packet_count == 0 && vorbis_synthesis_idheader(&packet) == 0) {
WARN_PRINT("Found a non-vorbis-header packet in a header position");
// Clearly this logical stream is not a vorbis stream, so destroy it and try again with the next page.
ogg_stream_destroy(&stream_state);
initialized_stream = false;
break;
}
granule_pos = packet.granulepos;
PackedByteArray data;
data.resize(packet.bytes);
memcpy(data.ptrw(), packet.packet, packet.bytes);
packet_data.push_back(data);
packet_count++;
}
if (initialized_stream) {
ogg_packet_sequence->push_page(granule_pos, packet_data);
}
}
ogg_vorbis_stream->set_packet_sequence(ogg_packet_sequence);
ogg_vorbis_stream->set_loop(loop);
ogg_vorbis_stream->set_loop_offset(loop_offset);
return ResourceSaver::save(p_save_path + ".oggvorbisstr", ogg_vorbis_stream);
}
ResourceImporterOGGVorbis::ResourceImporterOGGVorbis() {
}
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