/*
**  ClanLib SDK
**  Copyright (c) 1997-2020 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
*/

#pragma once

#include "API/Sound/SoundProviders/soundprovider_session.h"
#include "API/Sound/SoundProviders/soundprovider_vorbis.h"
#include "stb_vorbis.h"

namespace clan
{
	class IODevice;

	class SoundProvider_Vorbis_Session : public SoundProvider_Session
	{
	public:
		SoundProvider_Vorbis_Session(SoundProvider_Vorbis &source);
		~SoundProvider_Vorbis_Session();

		int get_num_samples() const override;
		int get_frequency() const override;
		int get_num_channels() const override;
		int get_position() const override;

		bool eof() const override;
		void stop() override;
		bool play() override;
		bool set_position(int pos) override;
		bool set_end_position(int pos) override { return false; }
		int get_data(float **data_ptr, int data_requested) override;

	private:
		SoundProvider_Vorbis source;
		int position;
		bool stream_eof;

		stb_vorbis *handle;
		stb_vorbis_info stream_info;
		int stream_byte_offset;

		float **pcm;
		int pcm_position;
		int pcm_samples;
	};
}
