634977b611
See https://google.github.io/styleguide/cppguide.html#Reference_Arguments. The Bind to ProcessPacket in OnPacketReceived is safe because Bind captures arguments by value. BUG=webrtc:7013 Review-Url: https://codereview.webrtc.org/2980923002 Cr-Commit-Position: refs/heads/master@{#19028}
119 lines
3.7 KiB
C++
119 lines
3.7 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef WEBRTC_PC_RTPTRANSPORT_H_
|
|
#define WEBRTC_PC_RTPTRANSPORT_H_
|
|
|
|
#include "webrtc/api/ortc/rtptransportinterface.h"
|
|
#include "webrtc/pc/bundlefilter.h"
|
|
#include "webrtc/rtc_base/sigslot.h"
|
|
|
|
namespace rtc {
|
|
|
|
class CopyOnWriteBuffer;
|
|
struct PacketOptions;
|
|
struct PacketTime;
|
|
class PacketTransportInternal;
|
|
|
|
} // namespace rtc
|
|
|
|
namespace webrtc {
|
|
|
|
class RtpTransport : public RtpTransportInterface, public sigslot::has_slots<> {
|
|
public:
|
|
RtpTransport(const RtpTransport&) = delete;
|
|
RtpTransport& operator=(const RtpTransport&) = delete;
|
|
|
|
explicit RtpTransport(bool rtcp_mux_enabled)
|
|
: rtcp_mux_enabled_(rtcp_mux_enabled) {}
|
|
|
|
bool rtcp_mux_enabled() const { return rtcp_mux_enabled_; }
|
|
void SetRtcpMuxEnabled(bool enable);
|
|
|
|
rtc::PacketTransportInternal* rtp_packet_transport() const {
|
|
return rtp_packet_transport_;
|
|
}
|
|
void SetRtpPacketTransport(rtc::PacketTransportInternal* rtp);
|
|
|
|
rtc::PacketTransportInternal* rtcp_packet_transport() const {
|
|
return rtcp_packet_transport_;
|
|
}
|
|
void SetRtcpPacketTransport(rtc::PacketTransportInternal* rtcp);
|
|
|
|
PacketTransportInterface* GetRtpPacketTransport() const override;
|
|
PacketTransportInterface* GetRtcpPacketTransport() const override;
|
|
|
|
// TODO(zstein): Use these RtcpParameters for configuration elsewhere.
|
|
RTCError SetRtcpParameters(const RtcpParameters& parameters) override;
|
|
RtcpParameters GetRtcpParameters() const override;
|
|
|
|
// Called whenever a transport's ready-to-send state changes. The argument
|
|
// is true if all used transports are ready to send. This is more specific
|
|
// than just "writable"; it means the last send didn't return ENOTCONN.
|
|
sigslot::signal1<bool> SignalReadyToSend;
|
|
|
|
bool IsWritable(bool rtcp) const;
|
|
|
|
bool SendPacket(bool rtcp,
|
|
const rtc::CopyOnWriteBuffer* packet,
|
|
const rtc::PacketOptions& options,
|
|
int flags);
|
|
|
|
bool HandlesPayloadType(int payload_type) const;
|
|
|
|
void AddHandledPayloadType(int payload_type);
|
|
|
|
// TODO(zstein): Consider having two signals - RtcPacketReceived and
|
|
// RtcpPacketReceived.
|
|
// The first argument is true for RTCP packets and false for RTP packets.
|
|
sigslot::signal3<bool, rtc::CopyOnWriteBuffer*, const rtc::PacketTime&>
|
|
SignalPacketReceived;
|
|
|
|
protected:
|
|
// TODO(zstein): Remove this when we remove RtpTransportAdapter.
|
|
RtpTransportAdapter* GetInternal() override;
|
|
|
|
private:
|
|
bool HandlesPacket(const uint8_t* data, size_t len);
|
|
|
|
void OnReadyToSend(rtc::PacketTransportInternal* transport);
|
|
|
|
// Updates "ready to send" for an individual channel and fires
|
|
// SignalReadyToSend.
|
|
void SetReadyToSend(bool rtcp, bool ready);
|
|
|
|
void MaybeSignalReadyToSend();
|
|
|
|
void OnReadPacket(rtc::PacketTransportInternal* transport,
|
|
const char* data,
|
|
size_t len,
|
|
const rtc::PacketTime& packet_time,
|
|
int flags);
|
|
|
|
bool WantsPacket(bool rtcp, const rtc::CopyOnWriteBuffer* packet);
|
|
|
|
bool rtcp_mux_enabled_;
|
|
|
|
rtc::PacketTransportInternal* rtp_packet_transport_ = nullptr;
|
|
rtc::PacketTransportInternal* rtcp_packet_transport_ = nullptr;
|
|
|
|
bool ready_to_send_ = false;
|
|
bool rtp_ready_to_send_ = false;
|
|
bool rtcp_ready_to_send_ = false;
|
|
|
|
RtcpParameters rtcp_parameters_;
|
|
|
|
cricket::BundleFilter bundle_filter_;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_PC_RTPTRANSPORT_H_
|