Merge pull request #6830 from akien-mga/thirdparty

Move most "drivers" as toggleable "modules" and split their thirdparty libraries in an own tree

6 files changed, 700 insertions, 0 deletions

diff --git a/modules/vorbis/SCsub b/modules/vorbis/SCsub
new file mode 100644
index 0000000000..f3dbc893fc
--- /dev/null
+++ b/modules/vorbis/SCsub
@@ -0,0 +1,47 @@
+Import('env')
+Import('env_modules')
+
+env_vorbis = env_modules.Clone()
+
+# Thirdparty source files
+if (env["libvorbis"] != "system"): # builtin
+	thirdparty_dir = "#thirdparty/libvorbis/"
+	thirdparty_sources = [
+		#"analysis.c",
+		#"barkmel.c",
+		"bitrate.c",
+		"block.c",
+		"codebook.c",
+		"envelope.c",
+		"floor0.c",
+		"floor1.c",
+		"info.c",
+		"lookup.c",
+		"lpc.c",
+		"lsp.c",
+		"mapping0.c",
+		"mdct.c",
+		"psy.c",
+		#"psytune.c",
+		"registry.c",
+		"res0.c",
+		"sharedbook.c",
+		"smallft.c",
+		"synthesis.c",
+		#"tone.c",
+		#"vorbisenc.c",
+		"vorbisfile.c",
+		"window.c",
+	]
+
+	thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
+
+	env_vorbis.add_source_files(env.modules_sources, thirdparty_sources)
+	env_vorbis.Append(CPPPATH = [thirdparty_dir])
+
+	# also requires libogg
+	if (env["libogg"] != "system"): # builtin
+		env_vorbis.Append(CPPPATH = ["#thirdparty/libogg"])
+
+# Godot source files
+env_vorbis.add_source_files(env.modules_sources, "*.cpp")
diff --git a/modules/vorbis/audio_stream_ogg_vorbis.cpp b/modules/vorbis/audio_stream_ogg_vorbis.cpp
new file mode 100644
index 0000000000..4ce7940a01
--- /dev/null
+++ b/modules/vorbis/audio_stream_ogg_vorbis.cpp
@@ -0,0 +1,430 @@
+/*************************************************************************/
+/*  audio_stream_ogg_vorbis.cpp                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 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 "audio_stream_ogg_vorbis.h"
+
+
+
+size_t AudioStreamPlaybackOGGVorbis::_ov_read_func(void *p_dst,size_t p_data, size_t p_count, void *_f) {
+
+	//printf("read to %p, %i bytes, %i nmemb, %p\n",p_dst,p_data,p_count,_f);
+	FileAccess *fa=(FileAccess*)_f;
+	size_t read_total = p_data*p_count;
+
+	if (fa->eof_reached())
+		return 0;
+
+	uint8_t *dst=(uint8_t*)p_dst;
+
+	int read = fa->get_buffer(dst, read_total);
+
+	return read;
+}
+
+int AudioStreamPlaybackOGGVorbis::_ov_seek_func(void *_f,ogg_int64_t offs, int whence) {
+
+	//printf("seek to %p, offs %i, whence %i\n",_f,(int)offs,whence);
+
+#ifdef SEEK_SET
+	//printf("seek set defined\n");
+	FileAccess *fa=(FileAccess*)_f;
+
+	if (whence==SEEK_SET) {
+
+		fa->seek(offs);
+	} else if (whence==SEEK_CUR) {
+
+		fa->seek(fa->get_pos()+offs);
+	} else if (whence==SEEK_END) {
+
+		fa->seek_end(offs);
+	} else {
+
+		ERR_PRINT("BUG, wtf was whence set to?\n");
+	}
+	int ret=fa->eof_reached()?-1:0;
+	//printf("returning %i\n",ret);
+	return ret;
+
+#else
+	return -1; // no seeking
+#endif
+
+}
+int AudioStreamPlaybackOGGVorbis::_ov_close_func(void *_f) {
+
+//	printf("close %p\n",_f);
+	if (!_f)
+		return 0;
+	FileAccess *fa=(FileAccess*)_f;
+	if (fa->is_open())
+		fa->close();
+	return 0;
+}
+long AudioStreamPlaybackOGGVorbis::_ov_tell_func(void *_f) {
+
+	//printf("close %p\n",_f);
+
+	FileAccess *fa=(FileAccess*)_f;
+	return fa->get_pos();
+}
+
+
+
+int AudioStreamPlaybackOGGVorbis::mix(int16_t* p_bufer,int p_frames) {
+
+	if (!playing)
+		return 0;
+
+	int total=p_frames;
+	while (true) {
+
+		int todo = p_frames;
+
+		if (todo==0 || todo<MIN_MIX) {
+			break;
+		}
+
+		//printf("to mix %i - mix me %i bytes\n",to_mix,to_mix*stream_channels*sizeof(int16_t));
+
+		#ifdef BIG_ENDIAN_ENABLED
+		long ret=ov_read(&vf,(char*)p_bufer,todo*stream_channels*sizeof(int16_t), 1, 2, 1, &current_section);
+		#else
+		long ret=ov_read(&vf,(char*)p_bufer,todo*stream_channels*sizeof(int16_t), 0, 2, 1, &current_section);
+		#endif
+
+		if (ret<0) {
+
+			playing = false;
+			ERR_EXPLAIN("Error reading OGG Vorbis File: "+file);
+			ERR_BREAK(ret<0);
+		} else if (ret==0) { // end of song, reload?
+
+			ov_clear(&vf);
+
+			_close_file();
+
+			if (!has_loop()) {
+
+				playing=false;
+				repeats=1;
+				break;
+			}
+
+			f=FileAccess::open(file,FileAccess::READ);
+
+			int errv = ov_open_callbacks(f,&vf,NULL,0,_ov_callbacks);
+			if (errv!=0) {
+				playing=false;
+				break;; // :(
+			}
+
+			if (loop_restart_time) {
+				bool ok = ov_time_seek(&vf,loop_restart_time)==0;
+				if (!ok) {
+					playing=false;
+					//ERR_EXPLAIN("loop restart time rejected");
+					ERR_PRINT("loop restart time rejected")
+				}
+
+				frames_mixed=stream_srate*loop_restart_time;
+			} else {
+
+				frames_mixed=0;
+			}
+			repeats++;
+			continue;
+
+		}
+
+		ret/=stream_channels;
+		ret/=sizeof(int16_t);
+
+		frames_mixed+=ret;
+
+		p_bufer+=ret*stream_channels;
+		p_frames-=ret;
+
+	}
+
+	return total-p_frames;
+
+}
+
+
+
+void AudioStreamPlaybackOGGVorbis::play(float p_from) {
+
+	if (playing)
+		stop();
+
+	if (_load_stream()!=OK)
+		return;
+
+
+	frames_mixed=0;
+	playing=true;
+	if (p_from>0) {
+		seek_pos(p_from);
+	}
+}
+
+void AudioStreamPlaybackOGGVorbis::_close_file() {
+
+	if (f) {
+
+		memdelete(f);
+		f=NULL;
+	}
+}
+
+bool AudioStreamPlaybackOGGVorbis::is_playing() const {
+	return playing;
+}
+void AudioStreamPlaybackOGGVorbis::stop() {
+
+	_clear_stream();
+	playing=false;
+	//_clear();
+}
+
+
+
+float AudioStreamPlaybackOGGVorbis::get_pos() const {
+
+	int32_t frames = int32_t(frames_mixed);
+	if (frames < 0)
+		frames=0;
+	return double(frames) / stream_srate;
+}
+
+void AudioStreamPlaybackOGGVorbis::seek_pos(float p_time) {
+
+
+
+	if (!playing)
+		return;
+	bool ok = ov_time_seek(&vf,p_time)==0;
+	ERR_FAIL_COND(!ok);
+	frames_mixed=stream_srate*p_time;
+}
+
+String AudioStreamPlaybackOGGVorbis::get_stream_name() const  {
+
+	return "";
+}
+
+void AudioStreamPlaybackOGGVorbis::set_loop(bool p_enable) {
+
+	loops=p_enable;
+}
+
+bool AudioStreamPlaybackOGGVorbis::has_loop() const {
+
+	return loops;
+}
+
+int AudioStreamPlaybackOGGVorbis::get_loop_count() const {
+	return repeats;
+}
+
+
+Error AudioStreamPlaybackOGGVorbis::set_file(const String& p_file) {
+
+	file=p_file;
+	stream_valid=false;
+	Error err;
+	f=FileAccess::open(file,FileAccess::READ,&err);
+
+	if (err) {
+		ERR_FAIL_COND_V( err, err );
+	}
+
+	int errv = ov_open_callbacks(f,&vf,NULL,0,_ov_callbacks);
+	switch(errv) {
+
+		case OV_EREAD: { // - A read from media returned an error.
+			memdelete(f); f=NULL;
+			ERR_FAIL_V( ERR_FILE_CANT_READ );
+		} break;
+		case OV_EVERSION:  // - Vorbis version mismatch.
+		case OV_ENOTVORBIS: { // - Bitstream is not Vorbis data.
+			memdelete(f); f=NULL;
+			ERR_FAIL_V( ERR_FILE_UNRECOGNIZED );
+		} break;
+		case OV_EBADHEADER: { // - Invalid Vorbis bitstream header.
+			memdelete(f); f=NULL;
+			ERR_FAIL_V( ERR_FILE_CORRUPT );
+		} break;
+		case OV_EFAULT: { // - Internal logic fault; indicates a bug or heap/stack corruption.
+			memdelete(f); f=NULL;
+			ERR_FAIL_V( ERR_BUG );
+		} break;
+	}
+	const vorbis_info *vinfo=ov_info(&vf,-1);
+	stream_channels=vinfo->channels;
+	stream_srate=vinfo->rate;
+	length = ov_time_total(&vf,-1);
+	ov_clear(&vf);
+	memdelete(f);
+	f=NULL;
+	stream_valid=true;
+
+
+	return OK;
+}
+
+Error AudioStreamPlaybackOGGVorbis::_load_stream()  {
+
+	ERR_FAIL_COND_V(!stream_valid,ERR_UNCONFIGURED);
+
+	_clear_stream();
+	if (file=="")
+		return ERR_INVALID_DATA;
+
+	Error err;
+	f=FileAccess::open(file,FileAccess::READ,&err);
+	if (err) {
+		ERR_FAIL_COND_V( err, err );
+	}
+
+	int errv = ov_open_callbacks(f,&vf,NULL,0,_ov_callbacks);
+	switch(errv) {
+
+		case OV_EREAD: { // - A read from media returned an error.
+			memdelete(f); f=NULL;
+			ERR_FAIL_V( ERR_FILE_CANT_READ );
+		} break;
+		case OV_EVERSION:  // - Vorbis version mismatch.
+		case OV_ENOTVORBIS: { // - Bitstream is not Vorbis data.
+			memdelete(f); f=NULL;
+			ERR_FAIL_V( ERR_FILE_UNRECOGNIZED );
+		} break;
+		case OV_EBADHEADER: { // - Invalid Vorbis bitstream header.
+			memdelete(f); f=NULL;
+			ERR_FAIL_V( ERR_FILE_CORRUPT );
+		} break;
+		case OV_EFAULT: { // - Internal logic fault; indicates a bug or heap/stack corruption.
+			memdelete(f); f=NULL;
+			ERR_FAIL_V( ERR_BUG );
+		} break;
+	}
+	repeats=0;
+	stream_loaded=true;
+
+
+	return OK;
+}
+
+
+float AudioStreamPlaybackOGGVorbis::get_length() const {
+
+	if (!stream_loaded) {
+		if (const_cast<AudioStreamPlaybackOGGVorbis*>(this)->_load_stream()!=OK)
+			return 0;
+	}
+	return length;
+}
+
+void AudioStreamPlaybackOGGVorbis::_clear_stream() {
+
+	if (!stream_loaded)
+		return;
+
+	ov_clear(&vf);
+	_close_file();
+
+	stream_loaded=false;
+	//stream_channels=1;
+	playing=false;
+}
+
+void AudioStreamPlaybackOGGVorbis::set_paused(bool p_paused) {
+
+	paused=p_paused;
+}
+
+bool AudioStreamPlaybackOGGVorbis::is_paused(bool p_paused) const {
+
+	return paused;
+}
+
+
+AudioStreamPlaybackOGGVorbis::AudioStreamPlaybackOGGVorbis() {
+
+	loops=false;
+	playing=false;
+	_ov_callbacks.read_func=_ov_read_func;
+	_ov_callbacks.seek_func=_ov_seek_func;
+	_ov_callbacks.close_func=_ov_close_func;
+	_ov_callbacks.tell_func=_ov_tell_func;
+	f = NULL;
+	stream_loaded=false;
+	stream_valid=false;
+	repeats=0;	
+	paused=true;
+	stream_channels=0;
+	stream_srate=0;
+	current_section=0;
+	length=0;
+	loop_restart_time=0;
+}
+
+
+AudioStreamPlaybackOGGVorbis::~AudioStreamPlaybackOGGVorbis() {
+
+	_clear_stream();
+
+}
+
+
+
+RES ResourceFormatLoaderAudioStreamOGGVorbis::load(const String &p_path, const String& p_original_path, Error *r_error) {
+	if (r_error)
+		*r_error=OK;
+
+	AudioStreamOGGVorbis *ogg_stream = memnew(AudioStreamOGGVorbis);
+	ogg_stream->set_file(p_path);
+	return Ref<AudioStreamOGGVorbis>(ogg_stream);
+}
+
+void ResourceFormatLoaderAudioStreamOGGVorbis::get_recognized_extensions(List<String> *p_extensions) const {
+
+	p_extensions->push_back("ogg");
+}
+String ResourceFormatLoaderAudioStreamOGGVorbis::get_resource_type(const String &p_path) const {
+
+	if (p_path.extension().to_lower()=="ogg")
+		return "AudioStreamOGGVorbis";
+	return "";
+}
+
+bool ResourceFormatLoaderAudioStreamOGGVorbis::handles_type(const String& p_type) const {
+	return (p_type=="AudioStream" || p_type=="AudioStreamOGG" || p_type=="AudioStreamOGGVorbis");
+}
+
diff --git a/modules/vorbis/audio_stream_ogg_vorbis.h b/modules/vorbis/audio_stream_ogg_vorbis.h
new file mode 100644
index 0000000000..8d8d7392b5
--- /dev/null
+++ b/modules/vorbis/audio_stream_ogg_vorbis.h
@@ -0,0 +1,142 @@
+/*************************************************************************/
+/*  audio_stream_ogg_vorbis.h                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 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.                */
+/*************************************************************************/
+#ifndef AUDIO_STREAM_OGG_VORBIS_H
+#define AUDIO_STREAM_OGG_VORBIS_H
+
+#include "io/resource_loader.h"
+#include "os/file_access.h"
+#include "os/thread_safe.h"
+#include "scene/resources/audio_stream.h"
+
+#include <vorbis/vorbisfile.h>
+
+class AudioStreamPlaybackOGGVorbis : public AudioStreamPlayback {
+
+	OBJ_TYPE(AudioStreamPlaybackOGGVorbis,AudioStreamPlayback);
+
+	enum {
+		MIN_MIX=1024
+	};
+
+	FileAccess *f;
+
+	ov_callbacks _ov_callbacks;
+	float length;
+	static size_t _ov_read_func(void *p_dst,size_t p_data, size_t p_count, void *_f);
+	static int _ov_seek_func(void *_f,ogg_int64_t offs, int whence);
+	static int _ov_close_func(void *_f);
+	static long _ov_tell_func(void *_f);
+
+	String file;
+	int64_t frames_mixed;
+
+	bool stream_loaded;
+	volatile bool playing;
+	OggVorbis_File vf;
+	int stream_channels;
+	int stream_srate;
+	int current_section;
+
+
+	bool paused;
+	bool loops;
+	int repeats;
+
+	Error _load_stream();
+	void _clear_stream();
+	void _close_file();
+
+	bool stream_valid;
+	float loop_restart_time;
+
+
+public:
+
+
+	Error set_file(const String& p_file);
+
+	virtual void play(float p_from=0);
+	virtual void stop();
+	virtual bool is_playing() const;
+
+	virtual void set_loop_restart_time(float p_time) { loop_restart_time=p_time; }
+
+	virtual void set_paused(bool p_paused);
+	virtual bool is_paused(bool p_paused) const;
+
+	virtual void set_loop(bool p_enable);
+	virtual bool has_loop() const;
+
+	virtual float get_length() const;
+
+	virtual String get_stream_name() const;
+
+	virtual int get_loop_count() const;
+
+	virtual float get_pos() const;
+	virtual void seek_pos(float p_time);
+
+	virtual int get_channels() const { return stream_channels; }
+	virtual int get_mix_rate() const { return stream_srate; }
+
+	virtual int get_minimum_buffer_size() const { return 0; }
+	virtual int mix(int16_t* p_bufer,int p_frames);
+
+	AudioStreamPlaybackOGGVorbis();
+	~AudioStreamPlaybackOGGVorbis();
+};
+
+
+class AudioStreamOGGVorbis : public AudioStream {
+
+	OBJ_TYPE(AudioStreamOGGVorbis,AudioStream);
+
+	String file;
+public:
+
+	Ref<AudioStreamPlayback> instance_playback() {
+		Ref<AudioStreamPlaybackOGGVorbis> pb = memnew( AudioStreamPlaybackOGGVorbis );
+		pb->set_file(file);
+		return pb;
+	}
+
+	void set_file(const String& p_file) { file=p_file; }
+
+};
+
+class ResourceFormatLoaderAudioStreamOGGVorbis : public ResourceFormatLoader {
+public:
+	virtual RES load(const String &p_path,const String& p_original_path="",Error *r_error=NULL);
+	virtual void get_recognized_extensions(List<String> *p_extensions) const;
+	virtual bool handles_type(const String& p_type) const;
+	virtual String get_resource_type(const String &p_path) const;
+};
+
+
+#endif // AUDIO_STREAM_OGG_H
diff --git a/modules/vorbis/config.py b/modules/vorbis/config.py
new file mode 100644
index 0000000000..368e97e152
--- /dev/null
+++ b/modules/vorbis/config.py
@@ -0,0 +1,6 @@
+
+def can_build(platform):
+	return True
+
+def configure(env):
+	pass
diff --git a/modules/vorbis/register_types.cpp b/modules/vorbis/register_types.cpp
new file mode 100644
index 0000000000..ae63b5af3c
--- /dev/null
+++ b/modules/vorbis/register_types.cpp
@@ -0,0 +1,45 @@
+/*************************************************************************/
+/*  register_types.cpp                                                   */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 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 "register_types.h"
+
+#include "audio_stream_ogg_vorbis.h"
+
+static ResourceFormatLoaderAudioStreamOGGVorbis *vorbis_stream_loader = NULL;
+
+void register_vorbis_types() {
+
+	vorbis_stream_loader = memnew( ResourceFormatLoaderAudioStreamOGGVorbis );
+	ResourceLoader::add_resource_format_loader(vorbis_stream_loader);
+	ObjectTypeDB::register_type<AudioStreamOGGVorbis>();
+}
+
+void unregister_vorbis_types() {
+
+	memdelete( vorbis_stream_loader );
+}
diff --git a/modules/vorbis/register_types.h b/modules/vorbis/register_types.h
new file mode 100644
index 0000000000..6baaed7ce8
--- /dev/null
+++ b/modules/vorbis/register_types.h
@@ -0,0 +1,30 @@
+/*************************************************************************/
+/*  register_types.h                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 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.                */
+/*************************************************************************/
+void register_vorbis_types();
+void unregister_vorbis_types();