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/*
* 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/scoped_ptr.h"
#include "webrtc/base/thread_checker.h"
#include "webrtc/modules/audio_coding/main/acm2/codec_owner.h"
#include "webrtc/modules/audio_coding/main/include/audio_coding_module_typedefs.h"
#include "webrtc/common_types.h"
namespace webrtc {
class AudioDecoder;
class AudioEncoder;
namespace acm2 {
class CodecManager final {
public:
CodecManager();
~CodecManager();
int RegisterEncoder(const CodecInst& send_codec);
void RegisterEncoder(AudioEncoder* external_speech_encoder);
int GetCodecInst(CodecInst* current_codec) const;
bool SetCopyRed(bool enable);
int SetVAD(bool enable, ACMVADMode mode);
void VAD(bool* dtx_enabled, bool* vad_enabled, ACMVADMode* mode) const;
int SetCodecFEC(bool enable_codec_fec);
// Returns a pointer to AudioDecoder of the given codec. For 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.
// If |codec| does not share an instance between encoder and decoder, returns
// null.
AudioDecoder* GetAudioDecoder(const CodecInst& codec);
bool stereo_send() const { return stereo_send_; }
bool red_enabled() const { return red_enabled_; }
bool codec_fec_enabled() const { return codec_fec_enabled_; }
AudioEncoder* CurrentEncoder() { return codec_owner_.Encoder(); }
const AudioEncoder* CurrentEncoder() const { return codec_owner_.Encoder(); }
bool CurrentEncoderIsOpus() const { return encoder_is_opus_; }
private:
int CngPayloadType(int sample_rate_hz) const;
int RedPayloadType(int sample_rate_hz) const;
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 dtx_enabled_;
ACMVADMode vad_mode_;
CodecInst send_codec_inst_;
bool red_enabled_;
bool codec_fec_enabled_;
CodecOwner codec_owner_;
bool encoder_is_opus_;
RTC_DISALLOW_COPY_AND_ASSIGN(CodecManager);
};
} // namespace acm2
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_MANAGER_H_
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