1 /*
2  * Copyright  2019 Google LLC
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     https://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #ifndef ANDROID_FXLAB_WHITECHORUSEFFECT_H
17 #define ANDROID_FXLAB_WHITECHORUSEFFECT_H
18 
19 #include "DelayLineEffect.h"
20 #include "utils/WhiteNoise.h"
21 
22 template <class iter_type>
23 class WhiteChorusEffect : public DelayLineEffect<iter_type> {
24 public:
WhiteChorusEffect(float depth_ms,float delay_ms,float noise_pass)25     WhiteChorusEffect(float depth_ms, float delay_ms, float noise_pass):
26         DelayLineEffect<iter_type> {0.7071, 1, -0.7071f,
27             static_cast<int>(delay_ms * SAMPLE_RATE / 1000),
28             static_cast<int>(depth_ms * SAMPLE_RATE / 1000),
29             std::function<float()>{WhiteNoise{static_cast<int>(4800 * noise_pass)}}}
30     {}
31 };
32 #endif //ANDROID_FXLAB_WHITECHORUSEFFECT_H
33