diff options
Diffstat (limited to 'externals/oboe/apps/OboeTester/app/src/main/cpp/flowunits/WhiteNoise.h')
| -rw-r--r-- | externals/oboe/apps/OboeTester/app/src/main/cpp/flowunits/WhiteNoise.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/externals/oboe/apps/OboeTester/app/src/main/cpp/flowunits/WhiteNoise.h b/externals/oboe/apps/OboeTester/app/src/main/cpp/flowunits/WhiteNoise.h deleted file mode 100644 index 262ef81af0..0000000000 --- a/externals/oboe/apps/OboeTester/app/src/main/cpp/flowunits/WhiteNoise.h +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright 2022 The Android Open Source Project - * - * 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. - */ - -#ifndef FLOWGRAPH_WHITE_NOISE_H -#define FLOWGRAPH_WHITE_NOISE_H - -#include <unistd.h> - -#include "flowgraph/FlowGraphNode.h" - -#include "../analyzer/PseudoRandom.h" - -/** - * White noise with equal energy in all frequencies up to the Nyquist. - * This is a based on random numbers with a uniform distribution. - */ -class WhiteNoise : public oboe::flowgraph::FlowGraphNode { -public: - - WhiteNoise() - : oboe::flowgraph::FlowGraphNode() - , amplitude(*this, 1) - , output(*this, 1) - { - } - - virtual ~WhiteNoise() = default; - - int32_t onProcess(int32_t numFrames) override; - - /** - * Control the amplitude amplitude of the noise. - * Silence is 0.0. - * A typical full amplitude would be 1.0. - */ - oboe::flowgraph::FlowGraphPortFloatInput amplitude; - - oboe::flowgraph::FlowGraphPortFloatOutput output; - -private: - PseudoRandom mPseudoRandom; -}; - -#endif //FLOWGRAPH_WHITE_NOISE_H |
