Replace stb_vorbis with libogg+libvorbis

1 files changed, 128 insertions, 0 deletions

diff --git a/modules/ogg/ogg_packet_sequence.h b/modules/ogg/ogg_packet_sequence.h
new file mode 100644
index 0000000000..b00ada06c1
--- /dev/null
+++ b/modules/ogg/ogg_packet_sequence.h
@@ -0,0 +1,128 @@
+/*************************************************************************/
+/*  ogg_packet_sequence.h                                                */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2021 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.                */
+/*************************************************************************/
+
+#ifndef OGG_PACKET_SEQUENCE_H
+#define OGG_PACKET_SEQUENCE_H
+
+#include "core/io/resource.h"
+#include "core/object/gdvirtual.gen.inc"
+#include "core/variant/native_ptr.h"
+#include "core/variant/typed_array.h"
+#include "core/variant/variant.h"
+#include "thirdparty/libogg/ogg/ogg.h"
+
+class OGGPacketSequencePlayback;
+
+class OGGPacketSequence : public Resource {
+	GDCLASS(OGGPacketSequence, Resource);
+
+	friend class OGGPacketSequencePlayback;
+
+	// List of pages, each of which is a list of packets on that page. The innermost PackedByteArrays contain complete ogg packets.
+	Vector<Vector<PackedByteArray>> page_data;
+
+	// List of the granule position for each page.
+	Vector<uint64_t> page_granule_positions;
+
+	// The page after the current last page. Similar semantics to an end() iterator.
+	int64_t end_page = 0;
+
+	uint64_t data_version = 0;
+
+	float sampling_rate = 0;
+	float length = 0;
+
+protected:
+	static void _bind_methods();
+
+public:
+	// Pushes information about all the pages that ended on this page.
+	// This should be called for each page, even for pages that no packets ended on.
+	void push_page(int64_t p_granule_pos, const Vector<PackedByteArray> &p_data);
+
+	void set_packet_data(const Array &p_data);
+	Array get_packet_data() const;
+
+	void set_packet_granule_positions(const Array &p_granule_positions);
+	Array get_packet_granule_positions() const;
+
+	// Sets a sampling rate associated with this object. OGGPacketSequence doesn't understand codecs,
+	// so this value is naively stored as a convenience.
+	void set_sampling_rate(float p_sampling_rate);
+
+	// Returns a sampling rate previously set by set_sampling_rate().
+	float get_sampling_rate() const;
+
+	// Returns a length previously set by set_length().
+	float get_length() const;
+
+	// Returns the granule position of the last page in this sequence.
+	int64_t get_final_granule_pos() const;
+
+	Ref<OGGPacketSequencePlayback> instance_playback();
+
+	OGGPacketSequence() {}
+	virtual ~OGGPacketSequence() {}
+};
+
+class OGGPacketSequencePlayback : public RefCounted {
+	GDCLASS(OGGPacketSequencePlayback, RefCounted);
+
+	friend class OGGPacketSequence;
+
+	Ref<OGGPacketSequence> ogg_packet_sequence;
+
+	mutable int64_t page_cursor = 0;
+	mutable int32_t packet_cursor = 0;
+
+	mutable ogg_packet *packet;
+
+	uint64_t data_version;
+
+	mutable int64_t packetno = 0;
+
+	// Recursive bisection search for the correct page.
+	uint32_t seek_page_internal(int64_t granule, uint32_t after_page_inclusive, uint32_t before_page_inclusive);
+
+public:
+	// Calling functions must not modify this packet.
+	// Returns true on success, false on error or if there is no next packet.
+	bool next_ogg_packet(ogg_packet **p_packet) const;
+
+	// Seeks to the page such that the previous page has a granule position less than or equal to this value,
+	// and the current page has a granule position greater than this value.
+	// Returns true on success, false on failure.
+	bool seek_page(int64_t p_granule_pos);
+
+	OGGPacketSequencePlayback();
+	virtual ~OGGPacketSequencePlayback();
+};
+
+#endif // OGG_PACKET_SEQUENCE_H