72 lines
2.2 KiB
C++
72 lines
2.2 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 GRIM_SCX_H
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#define GRIM_SCX_H
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namespace Common {
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class SeekableReadStream;
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}
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namespace Grim {
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// I've only ever seen up to two
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#define SCX_MAX_CHANNELS 2
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class SCXStream : public Audio::RewindableAudioStream {
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public:
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SCXStream(Common::SeekableReadStream *stream, const Audio::Timestamp *start, DisposeAfterUse::Flag disposeAfterUse);
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~SCXStream();
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bool isStereo() const override { return _channels == 2; }
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bool endOfData() const override { return _xaStreams[0]->endOfData(); }
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int getRate() const override { return _rate; }
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int readBuffer(int16 *buffer, const int numSamples) override;
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bool rewind() override;
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Audio::Timestamp getPos() const;
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private:
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int _channels;
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int _rate;
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uint16 _blockSize;
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Common::SeekableReadStream *_fileStreams[SCX_MAX_CHANNELS];
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Audio::RewindableAudioStream *_xaStreams[SCX_MAX_CHANNELS];
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};
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/**
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* Takes an input stream containing SCX sound data and creates
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* a RewindableAudioStream from that.
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*
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* @param stream the SeekableReadStream from which to read the SCX data
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* @param disposeAfterUse whether to delete the stream after use
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* @return a new RewindableAudioStream, or NULL, if an error occurred
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*/
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SCXStream *makeSCXStream(
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Common::SeekableReadStream *stream,
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const Audio::Timestamp *start,
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DisposeAfterUse::Flag disposeAfterUse = DisposeAfterUse::YES);
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} // End of namespace Grim
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#endif
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