diff options
Diffstat (limited to 'intern/audaspace/FX/AUD_AccumulatorReader.h')
-rw-r--r-- | intern/audaspace/FX/AUD_AccumulatorReader.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/intern/audaspace/FX/AUD_AccumulatorReader.h b/intern/audaspace/FX/AUD_AccumulatorReader.h new file mode 100644 index 00000000000..8ad1dda30f6 --- /dev/null +++ b/intern/audaspace/FX/AUD_AccumulatorReader.h @@ -0,0 +1,75 @@ +/* + * $Id$ + * + * ***** BEGIN LGPL LICENSE BLOCK ***** + * + * Copyright 2009 Jörg Hermann Müller + * + * This file is part of AudaSpace. + * + * AudaSpace is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * AudaSpace 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with AudaSpace. If not, see <http://www.gnu.org/licenses/>. + * + * ***** END LGPL LICENSE BLOCK ***** + */ + +#ifndef AUD_ACCUMULATORREADER +#define AUD_ACCUMULATORREADER + +#include "AUD_EffectReader.h" +class AUD_Buffer; + +/** + * This class represents an accumulator. + */ +class AUD_AccumulatorReader : public AUD_EffectReader +{ +private: + /** + * The playback buffer. + */ + AUD_Buffer *m_buffer; + + /** + * The sums of the specific channels. + */ + AUD_Buffer *m_sums; + + /** + * The previous results of the specific channels. + */ + AUD_Buffer *m_prevs; + + /** + * Whether the accumulator is additive. + */ + bool m_additive; + +public: + /** + * Creates a new accumulator reader. + * \param reader The reader to read from. + * \param additive Whether the accumulator is additive. + * \exception AUD_Exception Thrown if the reader specified is NULL. + */ + AUD_AccumulatorReader(AUD_IReader* reader, bool additive); + + /** + * Destroys the reader. + */ + virtual ~AUD_AccumulatorReader(); + + virtual void read(int & length, sample_t* & buffer); +}; + +#endif //AUD_ACCUMULATORREADER |