readded ability to set loop offset in seconds, closes #9630

modules/stb_vorbis/audio_stream_ogg_vorbis.cpp

@@ -49,7 +49,7 @@ void AudioStreamPlaybackOGGVorbis::_mix_internal(AudioFrame *p_buffer, int p_fra
 			//end of file!
 			if (vorbis_stream->loop) {
 				//loop
-				seek_pos(0);
+				seek_pos(vorbis_stream->loop_offset);
 				loops++;
 			} else {
 				for (int i = mixed; i < p_frames; i++) {
@@ -227,6 +227,14 @@ bool AudioStreamOGGVorbis::has_loop() const {
 	return loop;
 }
 
+void AudioStreamOGGVorbis::set_loop_offset(float p_seconds) {
+	loop_offset = p_seconds;
+}
+
+float AudioStreamOGGVorbis::get_loop_offset() const {
+	return loop_offset;
+}
+
 void AudioStreamOGGVorbis::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("set_data", "data"), &AudioStreamOGGVorbis::set_data);
@@ -235,8 +243,12 @@ void AudioStreamOGGVorbis::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_loop", "enable"), &AudioStreamOGGVorbis::set_loop);
 	ClassDB::bind_method(D_METHOD("has_loop"), &AudioStreamOGGVorbis::has_loop);
 
+	ClassDB::bind_method(D_METHOD("set_loop_offset", "seconds"), &AudioStreamOGGVorbis::set_loop_offset);
+	ClassDB::bind_method(D_METHOD("get_loop_offset"), &AudioStreamOGGVorbis::get_loop_offset);
+
 	ADD_PROPERTY(PropertyInfo(Variant::POOL_BYTE_ARRAY, "data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_data", "get_data");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "loop", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_loop", "has_loop");
+	ADD_PROPERTY(PropertyInfo(Variant::REAL, "loop_offset", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_loop_offset", "get_loop_offset");
 }
 
 AudioStreamOGGVorbis::AudioStreamOGGVorbis() {
@@ -245,6 +257,7 @@ AudioStreamOGGVorbis::AudioStreamOGGVorbis() {
 	length = 0;
 	sample_rate = 1;
 	channels = 1;
+	loop_offset = 0;
 	decode_mem_size = 0;
 	loop = false;
 }

modules/stb_vorbis/audio_stream_ogg_vorbis.h

@@ -89,6 +89,7 @@ class AudioStreamOGGVorbis : public AudioStream {
 	int channels;
 	float length;
 	bool loop;
+	float loop_offset;
 
 protected:
 	static void _bind_methods();
@@ -97,6 +98,9 @@ public:
 	void set_loop(bool p_enable);
 	bool has_loop() const;
 
+	void set_loop_offset(float p_seconds);
+	float get_loop_offset() const;
+
 	virtual Ref<AudioStreamPlayback> instance_playback();
 	virtual String get_stream_name() const;
 

modules/stb_vorbis/resource_importer_ogg_vorbis.cpp

@@ -72,11 +72,13 @@ String ResourceImporterOGGVorbis::get_preset_name(int p_idx) const {
 void ResourceImporterOGGVorbis::get_import_options(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::REAL, "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) {
 
 	bool loop = p_options["loop"];
+	float loop_offset = p_options["loop_offset"];
 
 	FileAccess *f = FileAccess::open(p_source_file, FileAccess::READ);
 	if (!f) {
@@ -98,6 +100,7 @@ Error ResourceImporterOGGVorbis::import(const String &p_source_file, const Strin
 
 	ogg_stream->set_data(data);
 	ogg_stream->set_loop(loop);
+	ogg_stream->set_loop_offset(loop_offset);
 
 	return ResourceSaver::save(p_save_path + ".oggstr", ogg_stream);
 }