1 /* 2 * Copyright 2020 The Android Open Source Project 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 * http://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 17 #ifndef MEGA_PLAYER_NOISEAUDIOSOURCE_H 18 #define MEGA_PLAYER_NOISEAUDIOSOURCE_H 19 20 #include "AudioSource.h" 21 22 class NoiseAudioSource: public AudioSource { 23 public: 24 NoiseAudioSource(); 25 26 /** 27 * Fills the specified buffer with random noise. 28 * @return The number of frames generated. Since we are generating a continuous periodic 29 * signal, this will always be <code>numFrames</code>. 30 */ 31 virtual int pull(float* buffer, int numFrames, int numChans) override; 32 33 }; 34 35 36 #endif // MEGA_PLAYER_NOISEAUDIOSOURCE_H 37