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/* Copyright (C) 2025 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_OGGDATA_H
#define INCLUDED_OGGDATA_H
#include "lib/config2.h"
#if CONFIG2_AUDIO
#include "ogg.h"
#include "SoundData.h"
#include "lib/file/vfs/vfs_path.h"
#include <AL/al.h>
#include <array>
/*
* 50 buffers of 98304 bytes each gives us 4.9 seconds of audio, which is a good amount to have buffered at once.
*/
constexpr int OGG_DEFAULT_BUFFER_COUNT = 50;
class COggData final : public CSoundData
{
public:
COggData();
~COggData();
bool InitOggFile(const VfsPath& itemPath);
bool IsFileFinished();
bool IsOneShot() override;
bool IsStereo() override;
int FetchDataIntoBuffer(int count, ALuint* buffers);
void ResetFile();
private:
ALuint m_Format;
ALsizei m_Frequency;
protected:
OggStreamPtr m_Stream;
bool m_FileFinished;
bool m_OneShot;
std::array<ALuint, OGG_DEFAULT_BUFFER_COUNT> m_Buffer{};
int m_BuffersCount;
void SetFormatAndFreq(ALenum form, ALsizei freq);
int GetBufferCount() override;
unsigned int GetBuffer() override;
unsigned int* GetBufferPtr() override;
};
#endif // CONFIG2_AUDIO
#endif // INCLUDED_OGGDATA_H
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