3f81fcd2e8
If the specification for the speech encoder hasn't changed, we should reuse it instead of recreating it. Otherwise, we lose its state. (This problem was originally discovered because AudioEncoderOpus instances would forget that they were supposed to be using DTX.) BUG=webrtc:6020, chromium:622647 Review-Url: https://codereview.webrtc.org/2089183002 Cr-Commit-Position: refs/heads/master@{#13273}
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_CODING_ACM2_CODEC_MANAGER_H_
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#define WEBRTC_MODULES_AUDIO_CODING_ACM2_CODEC_MANAGER_H_
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#include <map>
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#include "webrtc/base/constructormagic.h"
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#include "webrtc/base/optional.h"
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#include "webrtc/base/thread_checker.h"
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#include "webrtc/modules/audio_coding/acm2/rent_a_codec.h"
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#include "webrtc/modules/audio_coding/include/audio_coding_module.h"
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#include "webrtc/modules/audio_coding/include/audio_coding_module_typedefs.h"
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#include "webrtc/common_types.h"
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namespace webrtc {
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class AudioDecoder;
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class AudioEncoder;
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namespace acm2 {
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class CodecManager final {
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public:
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CodecManager();
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~CodecManager();
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// Parses the given specification. On success, returns true and updates the
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// stored CodecInst and stack parameters; on error, returns false.
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bool RegisterEncoder(const CodecInst& send_codec);
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static CodecInst ForgeCodecInst(const AudioEncoder* external_speech_encoder);
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const CodecInst* GetCodecInst() const {
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return send_codec_inst_ ? &*send_codec_inst_ : nullptr;
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}
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void UnsetCodecInst() { send_codec_inst_ = rtc::Optional<CodecInst>(); }
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const RentACodec::StackParameters* GetStackParams() const {
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return &codec_stack_params_;
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}
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RentACodec::StackParameters* GetStackParams() { return &codec_stack_params_; }
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bool SetCopyRed(bool enable);
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bool SetVAD(bool enable, ACMVADMode mode);
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bool SetCodecFEC(bool enable_codec_fec);
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// Uses the provided Rent-A-Codec to create a new encoder stack, if we have a
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// complete specification; if so, it is then passed to set_encoder. On error,
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// returns false.
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bool MakeEncoder(RentACodec* rac, AudioCodingModule* acm);
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private:
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rtc::ThreadChecker thread_checker_;
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rtc::Optional<CodecInst> send_codec_inst_;
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RentACodec::StackParameters codec_stack_params_;
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bool recreate_encoder_ = true; // Need to recreate encoder?
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RTC_DISALLOW_COPY_AND_ASSIGN(CodecManager);
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};
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} // namespace acm2
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_CODING_ACM2_CODEC_MANAGER_H_
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