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* Copyright 2017 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 <memory>
#include "webrtc/api/ortc/ortcrtpreceiverinterface.h"
#include "webrtc/api/rtcerror.h"
#include "webrtc/api/rtpparameters.h"
#include "webrtc/ortc/rtptransportcontrolleradapter.h"
#include "webrtc/pc/rtpreceiver.h"
#include "webrtc/rtc_base/constructormagic.h"
#include "webrtc/rtc_base/sigslot.h"
#include "webrtc/rtc_base/thread.h"
namespace webrtc {
// Implementation of OrtcRtpReceiverInterface that works with
// RtpTransportAdapter, and wraps a VideoRtpReceiver/AudioRtpReceiver that's
// normally used with the PeerConnection.
// TODO(deadbeef): When BaseChannel is split apart into separate
// "RtpReceiver"/"RtpTransceiver"/"RtpReceiver"/"RtpReceiver" objects, this
// adapter object can be removed.
class OrtcRtpReceiverAdapter : public OrtcRtpReceiverInterface {
// Wraps |wrapped_receiver| in a proxy that will safely call methods on the
// correct thread.
static std::unique_ptr<OrtcRtpReceiverInterface> CreateProxy(
std::unique_ptr<OrtcRtpReceiverAdapter> wrapped_receiver);
// Should only be called by RtpTransportControllerAdapter.
cricket::MediaType kind,
RtpTransportInterface* transport,
RtpTransportControllerAdapter* rtp_transport_controller);
~OrtcRtpReceiverAdapter() override;
// OrtcRtpReceiverInterface implementation.
rtc::scoped_refptr<MediaStreamTrackInterface> GetTrack() const override;
RTCError SetTransport(RtpTransportInterface* transport) override;
RtpTransportInterface* GetTransport() const override;
RTCError Receive(const RtpParameters& parameters) override;
RtpParameters GetParameters() const override;
cricket::MediaType GetKind() const override;
// Used so that the RtpTransportControllerAdapter knows when it can
// deallocate resources allocated for this object.
sigslot::signal0<> SignalDestroyed;
void MaybeRecreateInternalReceiver();
cricket::MediaType kind_;
RtpTransportInterface* transport_;
RtpTransportControllerAdapter* rtp_transport_controller_;
// Scoped refptr due to ref-counted interface, but we should be the only
// reference holder.
rtc::scoped_refptr<RtpReceiverInternal> internal_receiver_;
RtpParameters last_applied_parameters_;
} // namespace webrtc