56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/* Copyright (C) 2012 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_OGG
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#define INCLUDED_OGG
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#include "lib/config2.h"
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#if CONFIG2_AUDIO
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#include "lib/external_libraries/openal.h"
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#include "lib/file/vfs/vfs.h"
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class OggStream
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{
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public:
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virtual ~OggStream() { }
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virtual ALenum Format() = 0;
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virtual ALsizei SamplingRate() = 0;
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virtual bool atFileEOF() = 0;
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virtual Status ResetFile() = 0;
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virtual Status Close() = 0;
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/**
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* @return bytes read (<= size) or a (negative) Status
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**/
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virtual Status GetNextChunk(u8* buffer, size_t size) = 0;
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};
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typedef shared_ptr<OggStream> OggStreamPtr;
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extern Status OpenOggStream(const OsPath& pathname, OggStreamPtr& stream);
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/**
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* A non-streaming OggStream (reading the whole file in advance)
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* that can cope with archived/compressed files.
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*/
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extern Status OpenOggNonstream(const PIVFS& vfs, const VfsPath& pathname, OggStreamPtr& stream);
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#endif // CONFIG2_AUDIO
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#endif // INCLUDED_OGG
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