6030a129c0
We want this because otherwise the ACM uses its mutex to protect an encoder that's owned by someone else. That someone else may easily slip up and delete or otherwise touch the encoder before making sure that the ACM has stopped using it, bypassing the lock. BUG=webrtc:5028 Review URL: https://codereview.webrtc.org/1702943002 Cr-Commit-Position: refs/heads/master@{#11909}
69 lines
2.0 KiB
C++
69 lines
2.0 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_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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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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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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