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71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef BLADERUNNER_AUD_STREAM_H
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#define BLADERUNNER_AUD_STREAM_H
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#include "bladerunner/adpcm_decoder.h"
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#include "audio/audiostream.h"
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#include "common/endian.h"
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#include "common/types.h"
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namespace BladeRunner {
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class AudioCache;
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class AudStream : public Audio::RewindableAudioStream {
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byte *_data;
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byte *_p;
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byte *_end;
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AudioCache *_cache;
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int32 _hash;
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uint16 _deafBlockRemain;
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uint16 _frequency;
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uint32 _size;
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uint32 _sizeDecompressed;
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byte _flags;
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byte _compressionType;
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int _overrideFrequency;
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ADPCMWestwoodDecoder _decoder;
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void init(byte *data);
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public:
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AudStream(byte *data, int overrideFrequency = -1);
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AudStream(AudioCache *cache, int32 hash, int overrideFrequency = -1);
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~AudStream() override;
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int readBuffer(int16 *buffer, const int numSamples) override;
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bool isStereo() const override { return false; }
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int getRate() const override { return _overrideFrequency > 0 ? _overrideFrequency : _frequency; };
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bool endOfData() const override { return _p == _end; }
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bool rewind() override;
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uint32 getLength() const;
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bool startAtSecond(uint32 startSecond);
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int getBytesPerSecond() const;
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};
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} // End of namespace BladeRunner
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#endif
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