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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_ACM2_CODEC_MANAGER_H_
#define WEBRTC_MODULES_AUDIO_CODING_ACM2_CODEC_MANAGER_H_
#include <map>
#include "webrtc/common_types.h"
#include "webrtc/modules/audio_coding/acm2/rent_a_codec.h"
#include "webrtc/modules/audio_coding/include/audio_coding_module.h"
#include "webrtc/modules/audio_coding/include/audio_coding_module_typedefs.h"
#include "webrtc/rtc_base/constructormagic.h"
#include "webrtc/rtc_base/optional.h"
#include "webrtc/rtc_base/thread_checker.h"
namespace webrtc {
class AudioDecoder;
class AudioEncoder;
namespace acm2 {
class CodecManager final {
public:
CodecManager();
~CodecManager();
// Parses the given specification. On success, returns true and updates the
// stored CodecInst and stack parameters; on error, returns false.
bool RegisterEncoder(const CodecInst& send_codec);
static CodecInst ForgeCodecInst(const AudioEncoder* external_speech_encoder);
const CodecInst* GetCodecInst() const {
return send_codec_inst_ ? &*send_codec_inst_ : nullptr;
}
void UnsetCodecInst() { send_codec_inst_ = rtc::Optional<CodecInst>(); }
const RentACodec::StackParameters* GetStackParams() const {
return &codec_stack_params_;
}
RentACodec::StackParameters* GetStackParams() { return &codec_stack_params_; }
bool SetCopyRed(bool enable);
bool SetVAD(bool enable, ACMVADMode mode);
bool SetCodecFEC(bool enable_codec_fec);
// Uses the provided Rent-A-Codec to create a new encoder stack, if we have a
// complete specification; if so, it is then passed to set_encoder. On error,
// returns false.
bool MakeEncoder(RentACodec* rac, AudioCodingModule* acm);
private:
rtc::ThreadChecker thread_checker_;
rtc::Optional<CodecInst> send_codec_inst_;
RentACodec::StackParameters codec_stack_params_;
bool recreate_encoder_ = true; // Need to recreate encoder?
RTC_DISALLOW_COPY_AND_ASSIGN(CodecManager);
};
} // namespace acm2
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CODING_ACM2_CODEC_MANAGER_H_