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Diffstat (limited to 'extern/audaspace/include/fx/Butterworth.h')
-rw-r--r-- | extern/audaspace/include/fx/Butterworth.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/extern/audaspace/include/fx/Butterworth.h b/extern/audaspace/include/fx/Butterworth.h new file mode 100644 index 00000000000..db2ad743863 --- /dev/null +++ b/extern/audaspace/include/fx/Butterworth.h @@ -0,0 +1,48 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + ******************************************************************************/ + +#pragma once + +/** + * @file Butterworth.h + * @ingroup fx + * The Butterworth class. + */ + +#include "fx/DynamicIIRFilter.h" + +AUD_NAMESPACE_BEGIN + +/** + * This sound creates a butterworth lowpass filter reader. + */ +class AUD_API Butterworth : public DynamicIIRFilter +{ +private: + // delete copy constructor and operator= + Butterworth(const Butterworth&) = delete; + Butterworth& operator=(const Butterworth&) = delete; + +public: + /** + * Creates a new butterworth sound. + * \param sound The input sound. + * \param frequency The cutoff frequency. + */ + Butterworth(std::shared_ptr<ISound> sound, float frequency); +}; + +AUD_NAMESPACE_END |