audio_encoder_cng.h (1535B)
1 /* 2 * Copyright (c) 2014 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 MODULES_AUDIO_CODING_CODECS_CNG_AUDIO_ENCODER_CNG_H_ 12 #define MODULES_AUDIO_CODING_CODECS_CNG_AUDIO_ENCODER_CNG_H_ 13 14 #include <stddef.h> 15 16 #include <memory> 17 18 #include "api/audio_codecs/audio_encoder.h" 19 #include "common_audio/vad/include/vad.h" 20 21 namespace webrtc { 22 23 struct AudioEncoderCngConfig { 24 // Moveable, not copyable. 25 AudioEncoderCngConfig(); 26 AudioEncoderCngConfig(AudioEncoderCngConfig&&); 27 ~AudioEncoderCngConfig(); 28 29 bool IsOk() const; 30 31 size_t num_channels = 1; 32 int payload_type = 13; 33 std::unique_ptr<AudioEncoder> speech_encoder; 34 Vad::Aggressiveness vad_mode = Vad::kVadNormal; 35 int sid_frame_interval_ms = 100; 36 int num_cng_coefficients = 8; 37 // The Vad pointer is mainly for testing. If a NULL pointer is passed, the 38 // AudioEncoderCng creates (and destroys) a Vad object internally. If an 39 // object is passed, the AudioEncoderCng assumes ownership of the Vad 40 // object. 41 Vad* vad = nullptr; 42 }; 43 44 std::unique_ptr<AudioEncoder> CreateComfortNoiseEncoder( 45 AudioEncoderCngConfig&& config); 46 47 } // namespace webrtc 48 49 #endif // MODULES_AUDIO_CODING_CODECS_CNG_AUDIO_ENCODER_CNG_H_