webrtc 适配器模式

    科技2022-08-26  103

    /* * Copyright (c) 2013 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 VIDEO_TRANSPORT_ADAPTER_H_ #define VIDEO_TRANSPORT_ADAPTER_H_ #include <atomic> #include "api/call/transport.h" #include "common_types.h" // NOLINT(build/include) namespace webrtc { namespace internal { class TransportAdapter : public Transport { public: explicit TransportAdapter(Transport* transport); bool SendRtp(const uint8_t* packet, size_t length, const PacketOptions& options) override; bool SendRtcp(const uint8_t* packet, size_t length) override; void Enable(); void Disable(); private: Transport *transport_; std::atomic<bool> enabled_; }; } // namespace internal } // namespace webrtc #endif // VIDEO_TRANSPORT_ADAPTER_H_ /* * Copyright (c) 2013 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. */ #include "video/transport_adapter.h" #include "rtc_base/checks.h" namespace webrtc { namespace internal { TransportAdapter::TransportAdapter(Transport* transport) : transport_(transport), enabled_(false) { RTC_DCHECK(nullptr != transport); } bool TransportAdapter::SendRtp(const uint8_t* packet, size_t length, const PacketOptions& options) { if (!enabled_.load()) return false; return transport_->SendRtp(packet, length, options); } bool TransportAdapter::SendRtcp(const uint8_t* packet, size_t length) { if (!enabled_.load()) return false; return transport_->SendRtcp(packet, length); } void TransportAdapter::Enable() { enabled_.store(true); } void TransportAdapter::Disable() { enabled_.store(false); } } // namespace internal } // namespace webrtc

              TransportAdapter适配了一个Transport类型的对象,在适配中,接口并没有改变,而是对能否调用adaptee的接口作出了判断

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