/*
 Copyright (c) 2013 yvt

 This file is part of OpenSpades.

 OpenSpades is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 OpenSpades is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with OpenSpades.  If not, see <http://www.gnu.org/licenses/>.

 */

#include <memory>
#include <vector>

#include "IAudioStream.h"

typedef struct OggOpusFile OggOpusFile;
typedef struct OpusFileCallbacks OpusFileCallbacks;

namespace spades {
	class OpusAudioStream : public IAudioStream {

		IStream *stream;
		bool autoClose;

		OggOpusFile *opusFile;
		std::unique_ptr<OpusFileCallbacks> opusCallback;

		int channels;

		int subsamplePosition;
		std::vector<float> currentSample;

	public:
		OpusAudioStream(IStream *, bool autoClose);
		~OpusAudioStream();

		uint64_t GetLength() override;
		int GetSamplingFrequency() override;
		SampleFormat GetSampleFormat() override;
		int GetNumChannels() override;

		int ReadByte() override;
		size_t Read(void *, size_t bytes) override;

		uint64_t GetPosition() override;
		void SetPosition(uint64_t) override;
	};
}