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// Copyright 2014 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 CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_AUDIO_H_
#define CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_AUDIO_H_
#include <vector>
namespace base {
class FilePath;
}
namespace media {
class AudioParameters;
}
namespace test {
// Computes the average power of the audio signal seen over the entire file.
//
// The |file_parameters| pointer is filled with a copy of the audio file's
// parameters as deduced by wav_audio_handler.h (i.e. what's in the header).
//
// Returns a audio dBFS (decibels relative to full-scale) value.
// See media/audio/audio_power_monitor.h for more details.
float ComputeAudioEnergyForWavFile(const base::FilePath& wav_file_path,
media::AudioParameters* file_parameters);
} // namespace test
#endif // CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_AUDIO_H_
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