| /* |
| * 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 |
