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/* Copyright (C) 2012 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_OGG
#define INCLUDED_OGG
#include "lib/config2.h"
#if CONFIG2_AUDIO
#include "lib/external_libraries/openal.h"
#include "lib/file/vfs/vfs.h"
class OggStream
{
public:
virtual ~OggStream() { }
virtual ALenum Format() = 0;
virtual ALsizei SamplingRate() = 0;
virtual bool atFileEOF() = 0;
virtual Status ResetFile() = 0;
virtual Status Close() = 0;
/**
* @return bytes read (<= size) or a (negative) Status
**/
virtual Status GetNextChunk(u8* buffer, size_t size) = 0;
};
typedef shared_ptr<OggStream> OggStreamPtr;
extern Status OpenOggStream(const OsPath& pathname, OggStreamPtr& stream);
/**
* A non-streaming OggStream (reading the whole file in advance)
* that can cope with archived/compressed files.
*/
extern Status OpenOggNonstream(const PIVFS& vfs, const VfsPath& pathname, OggStreamPtr& stream);
#endif // CONFIG2_AUDIO
#endif // INCLUDED_OGG
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