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Diffstat (limited to 'engines/bladerunner/aud_decoder.h')
-rw-r--r-- | engines/bladerunner/aud_decoder.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/engines/bladerunner/aud_decoder.h b/engines/bladerunner/aud_decoder.h new file mode 100644 index 0000000000..dbf7ca1dfa --- /dev/null +++ b/engines/bladerunner/aud_decoder.h @@ -0,0 +1,50 @@ +/* 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 2 + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef BLADERUNNER_AUD_DECODER_H +#define BLADERUNNER_AUD_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); +}; + +}; + +#endif |