| // Copyright (c) 2012 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. |
| |
| #ifndef MEDIA_AUDIO_AUDIO_UTIL_H_ |
| #define MEDIA_AUDIO_AUDIO_UTIL_H_ |
| |
| #include "base/basictypes.h" |
| #include "build/build_config.h" |
| #include "media/base/media_export.h" |
| |
| namespace media { |
| |
| // Returns user buffer size as specified on the command line or 0 if no buffer |
| // size has been specified. |
| MEDIA_EXPORT int GetUserBufferSize(); |
| |
| // Computes a buffer size based on the given |sample_rate|. Must be used in |
| // conjunction with AUDIO_PCM_LINEAR. |
| MEDIA_EXPORT size_t GetHighLatencyOutputBufferSize(int sample_rate); |
| |
| #if defined(OS_WIN) |
| |
| // Returns number of buffers to be used by wave out. |
| MEDIA_EXPORT int NumberOfWaveOutBuffers(); |
| |
| #endif // defined(OS_WIN) |
| |
| } // namespace media |
| |
| #endif // MEDIA_AUDIO_AUDIO_UTIL_H_ |