191 lines
7.5 KiB
C++
191 lines
7.5 KiB
C++
/*************************************************************************/
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/* resource_importer_ogg_vorbis.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "resource_importer_ogg_vorbis.h"
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#include "audio_stream_ogg_vorbis.h"
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#include "core/io/file_access.h"
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#include "core/io/resource_saver.h"
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#include "scene/resources/texture.h"
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#include "thirdparty/libogg/ogg/ogg.h"
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#include "thirdparty/libvorbis/vorbis/codec.h"
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String ResourceImporterOGGVorbis::get_importer_name() const {
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return "oggvorbisstr";
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}
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String ResourceImporterOGGVorbis::get_visible_name() const {
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return "oggvorbisstr";
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}
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void ResourceImporterOGGVorbis::get_recognized_extensions(List<String> *p_extensions) const {
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p_extensions->push_back("ogg");
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}
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String ResourceImporterOGGVorbis::get_save_extension() const {
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return "oggvorbisstr";
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}
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String ResourceImporterOGGVorbis::get_resource_type() const {
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return "AudioStreamOGGVorbis";
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}
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bool ResourceImporterOGGVorbis::get_option_visibility(const String &p_option, const Map<StringName, Variant> &p_options) const {
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return true;
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}
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int ResourceImporterOGGVorbis::get_preset_count() const {
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return 0;
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}
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String ResourceImporterOGGVorbis::get_preset_name(int p_idx) const {
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return String();
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}
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void ResourceImporterOGGVorbis::get_import_options(List<ImportOption> *r_options, int p_preset) const {
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r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "loop"), true));
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r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "loop_offset"), 0));
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}
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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) {
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bool loop = p_options["loop"];
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float loop_offset = p_options["loop_offset"];
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FileAccess *f = FileAccess::open(p_source_file, FileAccess::READ);
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ERR_FAIL_COND_V_MSG(!f, ERR_CANT_OPEN, "Cannot open file '" + p_source_file + "'.");
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uint64_t len = f->get_length();
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Vector<uint8_t> file_data;
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file_data.resize(len);
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uint8_t *w = file_data.ptrw();
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f->get_buffer(w, len);
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memdelete(f);
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Ref<AudioStreamOGGVorbis> ogg_vorbis_stream;
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ogg_vorbis_stream.instantiate();
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Ref<OGGPacketSequence> ogg_packet_sequence;
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ogg_packet_sequence.instantiate();
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ogg_stream_state stream_state;
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ogg_sync_state sync_state;
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ogg_page page;
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ogg_packet packet;
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bool initialized_stream = false;
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ogg_sync_init(&sync_state);
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int err;
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size_t cursor = 0;
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size_t packet_count = 0;
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bool done = false;
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while (!done) {
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ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
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while (ogg_sync_pageout(&sync_state, &page) != 1) {
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if (cursor >= len) {
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done = true;
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break;
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}
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ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
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char *sync_buf = ogg_sync_buffer(&sync_state, OGG_SYNC_BUFFER_SIZE);
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ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
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ERR_FAIL_COND_V(cursor > len, Error::ERR_INVALID_DATA);
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size_t copy_size = len - cursor;
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if (copy_size > OGG_SYNC_BUFFER_SIZE) {
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copy_size = OGG_SYNC_BUFFER_SIZE;
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}
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memcpy(sync_buf, &file_data[cursor], copy_size);
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ogg_sync_wrote(&sync_state, copy_size);
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cursor += copy_size;
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ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
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}
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if (done) {
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break;
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}
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ERR_FAIL_COND_V_MSG((err = ogg_sync_check(&sync_state)), Error::ERR_INVALID_DATA, "Ogg sync error " + itos(err));
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// Have a page now.
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if (!initialized_stream) {
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ogg_stream_init(&stream_state, ogg_page_serialno(&page));
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ERR_FAIL_COND_V_MSG((err = ogg_stream_check(&stream_state)), Error::ERR_INVALID_DATA, "Ogg stream error " + itos(err));
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initialized_stream = true;
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}
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ERR_FAIL_COND_V_MSG((err = ogg_stream_check(&stream_state)), Error::ERR_INVALID_DATA, "Ogg stream error " + itos(err));
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ogg_stream_pagein(&stream_state, &page);
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ERR_FAIL_COND_V_MSG((err = ogg_stream_check(&stream_state)), Error::ERR_INVALID_DATA, "Ogg stream error " + itos(err));
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int desync_iters = 0;
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Vector<Vector<uint8_t>> packet_data;
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int64_t granule_pos = 0;
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while (true) {
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err = ogg_stream_packetout(&stream_state, &packet);
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if (err == -1) {
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// According to the docs this is usually recoverable, but don't sit here spinning forever.
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desync_iters++;
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ERR_FAIL_COND_V_MSG(desync_iters > 100, Error::ERR_INVALID_DATA, "Packet sync issue during ogg import");
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continue;
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} else if (err == 0) {
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// Not enough data to fully reconstruct a packet. Go on to the next page.
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break;
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}
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if (packet_count == 0 && vorbis_synthesis_idheader(&packet) == 0) {
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WARN_PRINT("Found a non-vorbis-header packet in a header position");
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// Clearly this logical stream is not a vorbis stream, so destroy it and try again with the next page.
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ogg_stream_destroy(&stream_state);
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initialized_stream = false;
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break;
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}
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granule_pos = packet.granulepos;
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PackedByteArray data;
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data.resize(packet.bytes);
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memcpy(data.ptrw(), packet.packet, packet.bytes);
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packet_data.push_back(data);
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packet_count++;
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}
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if (initialized_stream) {
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ogg_packet_sequence->push_page(granule_pos, packet_data);
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}
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}
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ogg_vorbis_stream->set_packet_sequence(ogg_packet_sequence);
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ogg_vorbis_stream->set_loop(loop);
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ogg_vorbis_stream->set_loop_offset(loop_offset);
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return ResourceSaver::save(p_save_path + ".oggvorbisstr", ogg_vorbis_stream);
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}
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ResourceImporterOGGVorbis::ResourceImporterOGGVorbis() {
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}
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