| /* |
| * 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_MANAGER_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_MANAGER_H_ |
| |
| #include "webrtc/base/constructormagic.h" |
| #include "webrtc/base/thread_checker.h" |
| #include "webrtc/modules/audio_coding/main/acm2/acm_codec_database.h" |
| #include "webrtc/modules/audio_coding/main/interface/audio_coding_module_typedefs.h" |
| #include "webrtc/common_types.h" |
| |
| namespace webrtc { |
| |
| class AudioDecoder; |
| |
| namespace acm2 { |
| |
| class ACMGenericCodec; |
| class AudioCodingModuleImpl; |
| |
| class CodecManager final { |
| public: |
| explicit CodecManager(AudioCodingModuleImpl* acm); |
| ~CodecManager(); |
| |
| int RegisterSendCodec(const CodecInst& send_codec); |
| |
| int SendCodec(CodecInst* current_codec) const; |
| |
| int RegisterReceiveCodec(const CodecInst& receive_codec); |
| |
| bool SetCopyRed(bool enable); |
| |
| int SetVAD(bool enable_dtx, bool enable_vad, ACMVADMode mode); |
| |
| void VAD(bool* dtx_enabled, bool* vad_enabled, ACMVADMode* mode) const; |
| |
| int SetCodecFEC(bool enable_codec_fec); |
| |
| bool stereo_send() const { return stereo_send_; } |
| |
| bool red_enabled() const { return red_enabled_; } |
| |
| bool codec_fec_enabled() const { return codec_fec_enabled_; } |
| |
| ACMGenericCodec* current_encoder() { return current_encoder_; } |
| |
| const ACMGenericCodec* current_encoder() const { return current_encoder_; } |
| |
| private: |
| void SetCngPayloadType(int sample_rate_hz, int payload_type); |
| |
| void SetRedPayloadType(int sample_rate_hz, int payload_type); |
| |
| // Get a pointer to AudioDecoder of the given codec. For some codecs, e.g. |
| // iSAC, encoding and decoding have to be performed on a shared |
| // codec-instance. By calling this method, we get the codec-instance that ACM |
| // owns, then pass that to NetEq. This way, we perform both encoding and |
| // decoding on the same codec-instance. Furthermore, ACM would have control |
| // over decoder functionality if required. If |codec| does not share an |
| // instance between encoder and decoder, the |*decoder| is set NULL. |
| // The field ACMCodecDB::CodecSettings.owns_decoder indicates that if a |
| // codec owns the decoder-instance. For such codecs |*decoder| should be a |
| // valid pointer, otherwise it will be NULL. |
| int GetAudioDecoder(const CodecInst& codec, |
| int codec_id, |
| int mirror_id, |
| AudioDecoder** decoder); |
| |
| AudioCodingModuleImpl* acm_; |
| rtc::ThreadChecker thread_checker_; |
| uint8_t cng_nb_pltype_; |
| uint8_t cng_wb_pltype_; |
| uint8_t cng_swb_pltype_; |
| uint8_t cng_fb_pltype_; |
| uint8_t red_nb_pltype_; |
| bool stereo_send_; |
| bool vad_enabled_; |
| bool dtx_enabled_; |
| ACMVADMode vad_mode_; |
| ACMGenericCodec* current_encoder_; |
| CodecInst send_codec_inst_; |
| bool red_enabled_; |
| bool codec_fec_enabled_; |
| ACMGenericCodec* codecs_[ACMCodecDB::kMaxNumCodecs]; |
| int mirror_codec_idx_[ACMCodecDB::kMaxNumCodecs]; |
| |
| DISALLOW_COPY_AND_ASSIGN(CodecManager); |
| }; |
| |
| } // namespace acm2 |
| } // namespace webrtc |
| #endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_MANAGER_H_ |