scummvm/engines/bladerunner/adpcm_decoder.h
2021-12-26 18:48:43 +01:00

49 lines
1.3 KiB
C++

/* 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/>.
*
*/
#ifndef BLADERUNNER_ADPCM_DECODER_H
#define BLADERUNNER_ADPCM_DECODER_H
#include "common/types.h"
namespace BladeRunner {
class ADPCMWestwoodDecoder {
int16 _stepIndex;
int32 _predictor;
public:
ADPCMWestwoodDecoder()
: _stepIndex(0), _predictor(0) {
}
void setParameters(int16 stepIndex, int32 predictor) {
_stepIndex = stepIndex;
_predictor = predictor;
}
void decode(uint8 *in, size_t size, int16 *out, bool forceLittleEndianOut);
};
} // End of namespace BladeRunner
#endif