| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "media/base/mac/audio_latency_mac.h" |
| #include "base/check_op.h" |
| #include "media/base/limits.h" |
| |
| namespace media { |
| |
| int GetMinAudioBufferSizeMacOS(int min_buffer_size, int sample_rate) { |
| int buffer_size = min_buffer_size; |
| if (sample_rate > 48000) { |
| // The default buffer size is too small for higher sample rates and may lead |
| // to glitching. Adjust upwards by multiples of the default size. |
| if (sample_rate <= 96000) |
| buffer_size = 2 * limits::kMinAudioBufferSize; |
| else if (sample_rate <= 192000) |
| buffer_size = 4 * limits::kMinAudioBufferSize; |
| } |
| DCHECK_EQ(limits::kMaxWebAudioBufferSize % buffer_size, 0); |
| return buffer_size; |
| } |
| |
| } // namespace media |
