Line data    Source code

       1             : /*
       2             :  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
       3             :  *
       4             :  *  Use of this source code is governed by a BSD-style license
       5             :  *  that can be found in the LICENSE file in the root of the source
       6             :  *  tree. An additional intellectual property rights grant can be found
       7             :  *  in the file PATENTS.  All contributing project authors may
       8             :  *  be found in the AUTHORS file in the root of the source tree.
       9             :  */
      10             : 
      11             : #ifndef WEBRTC_MODULES_AUDIO_MIXER_DEFAULT_OUTPUT_RATE_CALCULATOR_H_
      12             : #define WEBRTC_MODULES_AUDIO_MIXER_DEFAULT_OUTPUT_RATE_CALCULATOR_H_
      13             : 
      14             : #include <vector>
      15             : 
      16             : #include "webrtc/modules/audio_mixer/output_rate_calculator.h"
      17             : 
      18             : namespace webrtc {
      19             : 
      20           0 : class DefaultOutputRateCalculator : public OutputRateCalculator {
      21             :  public:
      22             :   static const int kDefaultFrequency = 48000;
      23             : 
      24             :   // Produces the least native rate greater or equal to the preferred
      25             :   // sample rates. A native rate is one in
      26             :   // AudioProcessing::NativeRate. If |preferred_sample_rates| is
      27             :   // empty, returns |kDefaultFrequency|.
      28             :   int CalculateOutputRate(
      29             :       const std::vector<int>& preferred_sample_rates) override;
      30           0 :   ~DefaultOutputRateCalculator() override {}
      31             : };
      32             : 
      33             : }  // namespace webrtc
      34             : 
      35             : #endif  // WEBRTC_MODULES_AUDIO_MIXER_DEFAULT_OUTPUT_RATE_CALCULATOR_H_