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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* @file
* Sound decoder used in engines:
* - trecision
*/
#ifndef AUDIO_G711_H
#define AUDIO_G711_H
#include "common/scummsys.h"
#include "common/types.h"
namespace Common {
class SeekableReadStream;
}
namespace Audio {
class SeekableAudioStream;
/**
* Takes an input stream containing G711 A-law compressed sound data and creates
* a SeekableAudioStream from that.
*
* @param stream the SeekableReadStream from which to read the PCM data
* @param disposeAfterUse whether to delete the stream after use
* @param rate the sampling rate
* @param channels the number of channels
* @return a new SeekableAudioStream, or NULL, if an error occurred
*/
SeekableAudioStream *makeALawStream(
Common::SeekableReadStream *stream,
DisposeAfterUse::Flag disposeAfterUse,
int rate,
int channels);
/**
* Takes an input stream containing G711 μ-law compressed sound data and creates
* a SeekableAudioStream from that.
*
* @param stream the SeekableReadStream from which to read the PCM data
* @param disposeAfterUse whether to delete the stream after use
* @param rate the sampling rate
* @param channels the number of channels
* @return a new SeekableAudioStream, or NULL, if an error occurred
*/
SeekableAudioStream *makeMuLawStream(
Common::SeekableReadStream *stream,
DisposeAfterUse::Flag disposeAfterUse,
int rate,
int channels);
} // End of namespace Audio
#endif
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