audio_encoder_cng.h

Enable keyboard shortcuts

/*

 *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#ifndef MODULES_AUDIO_CODING_CODECS_CNG_AUDIO_ENCODER_CNG_H_

#define MODULES_AUDIO_CODING_CODECS_CNG_AUDIO_ENCODER_CNG_H_

#include <stddef.h>

#include <memory>

#include "api/audio_codecs/audio_encoder.h"

#include "common_audio/vad/include/vad.h"

namespace webrtc {

struct AudioEncoderCngConfig {

  // Moveable, not copyable.

  AudioEncoderCngConfig();

  AudioEncoderCngConfig(AudioEncoderCngConfig&&);

  ~AudioEncoderCngConfig();

  bool IsOk() const;

  size_t num_channels = 1;

  int payload_type = 13;

  std::unique_ptr<AudioEncoder> speech_encoder;

  Vad::Aggressiveness vad_mode = Vad::kVadNormal;

  int sid_frame_interval_ms = 100;

  int num_cng_coefficients = 8;

  // The Vad pointer is mainly for testing. If a NULL pointer is passed, the

  // AudioEncoderCng creates (and destroys) a Vad object internally. If an

  // object is passed, the AudioEncoderCng assumes ownership of the Vad

  // object.

  Vad* vad = nullptr;

};

std::unique_ptr<AudioEncoder> CreateComfortNoiseEncoder(

    AudioEncoderCngConfig&& config);

}  // namespace webrtc

#endif  // MODULES_AUDIO_CODING_CODECS_CNG_AUDIO_ENCODER_CNG_H_