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| 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 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 ~DefaultOutputRateCalculator() override {} |
| 31 }; |
| 32 |
| 33 } // namespace webrtc |
| 34 |
| 35 #endif // WEBRTC_MODULES_AUDIO_MIXER_DEFAULT_OUTPUT_RATE_CALCULATOR_H_ |
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