godot/modules/vorbis/resource_importer_ogg_vorbis.cpp
Juan Linietsky 6a87cdf6d2 Disable OGG and MP3 looping by default on import
* From Godot 4.0 onwards, proper music looping is supported which requires setting the BPM and then the loop point in beats.
* As such, importing with loop by default does not serve much of a purpose. Its annoying to disable for SFX or clips that do not loop and it also requires manual intervention to loop music.
* This way, it should work out of the box for any sound effect or non looping audio clip, and manual work is required anyway for looping music.
2023-01-22 15:45:45 +01:00

240 lines
9.2 KiB
C++

/**************************************************************************/
/* resource_importer_ogg_vorbis.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 */
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#include "resource_importer_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"
#ifdef TOOLS_ENABLED
#include "editor/import/audio_stream_import_settings.h"
#endif
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 HashMap<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"), false));
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));
}
Ref<AudioStreamOggVorbis> ResourceImporterOggVorbis::import_ogg_vorbis(const String &p_path) {
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V_MSG(f.is_null(), Ref<AudioStreamOggVorbis>(), "Cannot open file '" + p_path + "'.");
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);
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 = ogg_sync_check(&sync_state);
ERR_FAIL_COND_V_MSG(err != 0, Ref<AudioStreamOggVorbis>(), "Ogg sync error " + itos(err));
while (ogg_sync_pageout(&sync_state, &page) != 1) {
if (cursor >= len) {
done = true;
break;
}
err = ogg_sync_check(&sync_state);
ERR_FAIL_COND_V_MSG(err != 0, Ref<AudioStreamOggVorbis>(), "Ogg sync error " + itos(err));
char *sync_buf = ogg_sync_buffer(&sync_state, OGG_SYNC_BUFFER_SIZE);
err = ogg_sync_check(&sync_state);
ERR_FAIL_COND_V_MSG(err != 0, Ref<AudioStreamOggVorbis>(), "Ogg sync error " + itos(err));
ERR_FAIL_COND_V(cursor > len, Ref<AudioStreamOggVorbis>());
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 = ogg_sync_check(&sync_state);
ERR_FAIL_COND_V_MSG(err != 0, Ref<AudioStreamOggVorbis>(), "Ogg sync error " + itos(err));
}
if (done) {
break;
}
err = ogg_sync_check(&sync_state);
ERR_FAIL_COND_V_MSG(err != 0, Ref<AudioStreamOggVorbis>(), "Ogg sync error " + itos(err));
// Have a page now.
if (!initialized_stream) {
if (ogg_stream_init(&stream_state, ogg_page_serialno(&page))) {
ERR_FAIL_V_MSG(Ref<AudioStreamOggVorbis>(), "Failed allocating memory for Ogg Vorbis stream.");
}
initialized_stream = true;
}
ogg_stream_pagein(&stream_state, &page);
err = ogg_stream_check(&stream_state);
ERR_FAIL_COND_V_MSG(err != 0, Ref<AudioStreamOggVorbis>(), "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, Ref<AudioStreamOggVorbis>(), "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) {
print_verbose("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.
if (initialized_stream) {
ogg_stream_clear(&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);
}
}
if (initialized_stream) {
ogg_stream_clear(&stream_state);
}
ogg_sync_clear(&sync_state);
if (ogg_packet_sequence->get_packet_granule_positions().is_empty()) {
ERR_FAIL_V_MSG(Ref<AudioStreamOggVorbis>(), "Ogg Vorbis decoding failed. Check that your data is a valid Ogg Vorbis audio stream.");
}
ogg_vorbis_stream->set_packet_sequence(ogg_packet_sequence);
return ogg_vorbis_stream;
}
#ifdef TOOLS_ENABLED
bool ResourceImporterOggVorbis::has_advanced_options() const {
return true;
}
void ResourceImporterOggVorbis::show_advanced_options(const String &p_path) {
Ref<AudioStreamOggVorbis> ogg_stream = import_ogg_vorbis(p_path);
if (ogg_stream.is_valid()) {
AudioStreamImportSettings::get_singleton()->edit(p_path, "oggvorbisstr", ogg_stream);
}
}
#endif
Error ResourceImporterOggVorbis::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"];
int beat_count = p_options["beat_count"];
int bar_beats = p_options["bar_beats"];
Ref<AudioStreamOggVorbis> ogg_vorbis_stream = import_ogg_vorbis(p_source_file);
if (ogg_vorbis_stream.is_null()) {
return ERR_CANT_OPEN;
}
ogg_vorbis_stream->set_loop(loop);
ogg_vorbis_stream->set_loop_offset(loop_offset);
ogg_vorbis_stream->set_bpm(bpm);
ogg_vorbis_stream->set_beat_count(beat_count);
ogg_vorbis_stream->set_bar_beats(bar_beats);
return ResourceSaver::save(ogg_vorbis_stream, p_save_path + ".oggvorbisstr");
}
ResourceImporterOggVorbis::ResourceImporterOggVorbis() {
}