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ab30d72b72
Bug: webrtc:12338 Change-Id: I47958800407482894ff6f17c1887dce907fdf35a Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227030 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34585}
74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/*
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* Copyright (c) 2020 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 VIDEO_RTP_VIDEO_STREAM_RECEIVER_FRAME_TRANSFORMER_DELEGATE_H_
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#define VIDEO_RTP_VIDEO_STREAM_RECEIVER_FRAME_TRANSFORMER_DELEGATE_H_
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#include <memory>
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#include "api/frame_transformer_interface.h"
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#include "api/sequence_checker.h"
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#include "modules/video_coding/frame_object.h"
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#include "rtc_base/system/no_unique_address.h"
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#include "rtc_base/thread.h"
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namespace webrtc {
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// Called back by RtpVideoStreamReceiverFrameTransformerDelegate on the network
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// thread after transformation.
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class RtpVideoFrameReceiver {
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public:
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virtual void ManageFrame(std::unique_ptr<RtpFrameObject> frame) = 0;
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protected:
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virtual ~RtpVideoFrameReceiver() = default;
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};
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// Delegates calls to FrameTransformerInterface to transform frames, and to
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// RtpVideoStreamReceiver to manage transformed frames on the `network_thread_`.
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class RtpVideoStreamReceiverFrameTransformerDelegate
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: public TransformedFrameCallback {
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public:
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RtpVideoStreamReceiverFrameTransformerDelegate(
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RtpVideoFrameReceiver* receiver,
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rtc::scoped_refptr<FrameTransformerInterface> frame_transformer,
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rtc::Thread* network_thread,
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uint32_t ssrc);
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void Init();
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void Reset();
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// Delegates the call to FrameTransformerInterface::TransformFrame.
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void TransformFrame(std::unique_ptr<RtpFrameObject> frame);
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// Implements TransformedFrameCallback. Can be called on any thread. Posts
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// the transformed frame to be managed on the `network_thread_`.
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void OnTransformedFrame(
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std::unique_ptr<TransformableFrameInterface> frame) override;
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// Delegates the call to RtpVideoFrameReceiver::ManageFrame on the
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// `network_thread_`.
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void ManageFrame(std::unique_ptr<TransformableFrameInterface> frame);
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protected:
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~RtpVideoStreamReceiverFrameTransformerDelegate() override = default;
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private:
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RTC_NO_UNIQUE_ADDRESS SequenceChecker network_sequence_checker_;
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RtpVideoFrameReceiver* receiver_ RTC_GUARDED_BY(network_sequence_checker_);
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rtc::scoped_refptr<FrameTransformerInterface> frame_transformer_
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RTC_GUARDED_BY(network_sequence_checker_);
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rtc::Thread* const network_thread_;
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const uint32_t ssrc_;
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};
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} // namespace webrtc
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#endif // VIDEO_RTP_VIDEO_STREAM_RECEIVER_FRAME_TRANSFORMER_DELEGATE_H_
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