| /* |
| * 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 <inttypes.h> |
| #include <type_traits> |
| #include "../../../../system/media/audio_utils/include/audio_utils/primitives.h" |
| #define LOG_ALWAYS_FATAL(...) |
| |
| #include <../AudioMixerOps.h> |
| |
| using namespace android; |
| |
| template <int MIXTYPE, int NCHAN> |
| 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<MIXTYPE, NCHAN>(out, FRAME_COUNT, in, aux, vol, volinc, &vola, volainc); |
| } |
| |
| // Use this to check the objdump to ensure reasonable code. |
| int main() { |
| checkVolumeRampMulti<MIXTYPE_MULTI_STEREOVOL, 5>(); |
| return EXIT_SUCCESS; |
| } |