chromium/third_party/webrtc/modules/rtp_rtcp/source/rtp_sender_video_frame_transformer_delegate.h

/*
 *  Copyright (c) 2020 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 MODULES_RTP_RTCP_SOURCE_RTP_SENDER_VIDEO_FRAME_TRANSFORMER_DELEGATE_H_
#define MODULES_RTP_RTCP_SOURCE_RTP_SENDER_VIDEO_FRAME_TRANSFORMER_DELEGATE_H_

#include <memory>
#include <vector>

#include "api/frame_transformer_interface.h"
#include "api/scoped_refptr.h"
#include "api/sequence_checker.h"
#include "api/task_queue/task_queue_base.h"
#include "api/task_queue/task_queue_factory.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "api/video/encoded_image.h"
#include "api/video/video_layers_allocation.h"
#include "modules/rtp_rtcp/source/rtp_video_header.h"
#include "rtc_base/synchronization/mutex.h"

namespace webrtc {

// Interface for sending videoframes on an RTP connection, after a transform
// have been applied.
class RTPVideoFrameSenderInterface { … };

// Delegates calls to FrameTransformerInterface to transform frames, and to
// RTPSenderVideo to send the transformed frames. Ensures thread-safe access to
// the sender.
class RTPSenderVideoFrameTransformerDelegate : public TransformedFrameCallback { … };

// Method to support cloning a Sender frame from another frame
std::unique_ptr<TransformableVideoFrameInterface> CloneSenderVideoFrame(
    TransformableVideoFrameInterface* original);

}  // namespace webrtc

#endif  // MODULES_RTP_RTCP_SOURCE_RTP_SENDER_VIDEO_FRAME_TRANSFORMER_DELEGATE_H_