/* * Copyright (C) 2020 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. */ #include #include #include "../../../../system/media/audio_utils/include/audio_utils/primitives.h" #define LOG_ALWAYS_FATAL(...) #include <../AudioMixerOps.h> using namespace android; template static void checkVolumeRampMulti() { constexpr size_t FRAME_COUNT = 1000; constexpr size_t SAMPLE_COUNT = FRAME_COUNT * NCHAN; // data inialized to 0. float out[SAMPLE_COUNT]{}; float in[SAMPLE_COUNT]{}; float aux[FRAME_COUNT]{}; // volume initialized to 0 float vola = 0.f; float vol[2] = {0.f, 0.f}; // some volume increment float volainc = 0.01f; float volinc[2] = {0.01f, 0.01f}; // try the multi ramp code. volumeRampMulti(out, FRAME_COUNT, in, aux, vol, volinc, &vola, volainc); } // Use this to check the objdump to ensure reasonable code. int main() { checkVolumeRampMulti(); return EXIT_SUCCESS; }