blob: cd29ed4f849973c9e12e49082a56750457db00a1 [file] [log] [blame]
* Copyright 2018 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 <string>
#include <vector>
#include "api/jsep.h"
#include "api/media_types.h"
#include "media/base/media_channel.h"
#include "pc/rtp_transport_internal.h"
namespace cricket {
class MediaContentDescription;
// ChannelInterface contains methods common to voice, video and data channels.
// As more methods are added to BaseChannel, they should be included in the
// interface as well.
class ChannelInterface {
virtual cricket::MediaType media_type() const = 0;
virtual MediaChannel* media_channel() const = 0;
// TODO(deadbeef): This is redundant; remove this.
virtual const std::string& transport_name() const = 0;
virtual const std::string& content_name() const = 0;
virtual bool enabled() const = 0;
// Enables or disables this channel
virtual bool Enable(bool enable) = 0;
// Used for latency measurements.
virtual sigslot::signal1<ChannelInterface*>& SignalFirstPacketReceived() = 0;
// Channel control
virtual bool SetLocalContent(const MediaContentDescription* content,
webrtc::SdpType type,
std::string* error_desc) = 0;
virtual bool SetRemoteContent(const MediaContentDescription* content,
webrtc::SdpType type,
std::string* error_desc) = 0;
// Access to the local and remote streams that were set on the channel.
virtual const std::vector<StreamParams>& local_streams() const = 0;
virtual const std::vector<StreamParams>& remote_streams() const = 0;
// Set an RTP level transport.
// Some examples:
// * An RtpTransport without encryption.
// * An SrtpTransport for SDES.
// * A DtlsSrtpTransport for DTLS-SRTP.
virtual bool SetRtpTransport(webrtc::RtpTransportInternal* rtp_transport) = 0;
virtual ~ChannelInterface() = default;
} // namespace cricket