/* * Copyright (C) 2014 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 ANDROID_AUDIO_RESAMPLER_PUBLIC_H #define ANDROID_AUDIO_RESAMPLER_PUBLIC_H // AUDIO_RESAMPLER_DOWN_RATIO_MAX is the maximum ratio between the original // audio sample rate and the target rate when downsampling, // as permitted in the audio framework, e.g. AudioTrack and AudioFlinger. // In practice, it is not recommended to downsample more than 6:1 // for best audio quality, even though the audio framework permits a larger // downsampling ratio. // TODO: replace with an API #define AUDIO_RESAMPLER_DOWN_RATIO_MAX 256 #endif // ANDROID_AUDIO_RESAMPLER_PUBLIC_H