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// 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_
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