diff options
author | Germano <germano.costa@ig.com.br> | 2018-02-01 03:11:01 +0300 |
---|---|---|
committer | Germano <germano.costa@ig.com.br> | 2018-02-01 03:11:01 +0300 |
commit | ea31f0ac3b877eb0df4c47d0c908d11d1bff33e4 (patch) | |
tree | 56e88cf2b29c33be2855d02dba41c50bceb0e685 /extern/audaspace/include/fx/IIRFilter.h | |
parent | 22faf66c8b7ebb79405b87a74edfdc78a7f26fb0 (diff) |
tmp
Diffstat (limited to 'extern/audaspace/include/fx/IIRFilter.h')
-rw-r--r-- | extern/audaspace/include/fx/IIRFilter.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/extern/audaspace/include/fx/IIRFilter.h b/extern/audaspace/include/fx/IIRFilter.h new file mode 100644 index 00000000000..74099a30dc5 --- /dev/null +++ b/extern/audaspace/include/fx/IIRFilter.h @@ -0,0 +1,63 @@ +/******************************************************************************* + * 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 IIRFilter.h + * @ingroup fx + * The IIRFilter class. + */ + +#include "fx/Effect.h" + +#include <vector> + +AUD_NAMESPACE_BEGIN + +/** + * This sound creates a IIR filter reader. + */ +class AUD_API IIRFilter : public Effect +{ +private: + /** + * Output filter coefficients. + */ + std::vector<float> m_a; + + /** + * Input filter coefficients. + */ + std::vector<float> m_b; + + // delete copy constructor and operator= + IIRFilter(const IIRFilter&) = delete; + IIRFilter& operator=(const IIRFilter&) = delete; + +public: + /** + * Creates a new IIR filter sound. + * \param sound The input sound. + * \param b The input filter coefficients. + * \param a The output filter coefficients. + */ + IIRFilter(std::shared_ptr<ISound> sound, const std::vector<float>& b, const std::vector<float>& a); + + virtual std::shared_ptr<IReader> createReader(); +}; + +AUD_NAMESPACE_END |