| /* |
| * Copyright (c) 2015 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 WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_ |
| |
| #include "webrtc/base/constructormagic.h" |
| #include "webrtc/base/scoped_ptr.h" |
| #include "webrtc/common_types.h" |
| #include "webrtc/modules/audio_coding/codecs/audio_encoder.h" |
| #include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h" |
| #include "webrtc/modules/audio_coding/main/interface/audio_coding_module_typedefs.h" |
| |
| namespace webrtc { |
| |
| class AudioDecoder; |
| |
| namespace acm2 { |
| |
| class CodecOwner { |
| public: |
| CodecOwner(); |
| ~CodecOwner(); |
| |
| void SetEncoders(const CodecInst& speech_inst, |
| int cng_payload_type, |
| ACMVADMode vad_mode, |
| int red_payload_type); |
| |
| void SetEncoders(AudioEncoderMutable* external_speech_encoder, |
| int cng_payload_type, |
| ACMVADMode vad_mode, |
| int red_payload_type); |
| |
| void ChangeCngAndRed(int cng_payload_type, |
| ACMVADMode vad_mode, |
| int red_payload_type); |
| |
| // Returns a pointer to an iSAC decoder owned by the CodecOwner. The decoder |
| // will live as long as the CodecOwner exists. |
| AudioDecoder* GetIsacDecoder(); |
| |
| AudioEncoder* Encoder(); |
| const AudioEncoder* Encoder() const; |
| AudioEncoderMutable* SpeechEncoder(); |
| const AudioEncoderMutable* SpeechEncoder() const; |
| |
| private: |
| // There are three main cases for the state of the encoder members below: |
| // 1. An external encoder is used. |external_speech_encoder_| points to it. |
| // |speech_encoder_| is null, and |isac_is_encoder_| is false. |
| // 2. The internal iSAC codec is used as encoder. |isac_codec_| points to it |
| // and |isac_is_encoder_| is true. |external_speech_encoder_| and |
| // |speech_encoder_| are null. |
| // 3. Another internal encoder is used. |speech_encoder_| points to it. |
| // |external_speech_encoder_| is null, and |isac_is_encoder_| is false. |
| // In addition to case 2, |isac_codec_| is valid when GetIsacDecoder has been |
| // called. |
| rtc::scoped_ptr<AudioEncoderMutable> speech_encoder_; |
| rtc::scoped_ptr<AudioEncoderDecoderMutableIsac> isac_codec_; |
| bool isac_is_encoder_; |
| AudioEncoderMutable* external_speech_encoder_; |
| |
| // |cng_encoder_| and |red_encoder_| are valid iff CNG or RED, respectively, |
| // are active. |
| rtc::scoped_ptr<AudioEncoder> cng_encoder_; |
| rtc::scoped_ptr<AudioEncoder> red_encoder_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CodecOwner); |
| }; |
| |
| } // namespace acm2 |
| } // namespace webrtc |
| #endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_ |