2020-08-14 16:58:22 +00:00
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/*
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* Copyright 2018 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 PC_CHANNEL_INTERFACE_H_
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#define PC_CHANNEL_INTERFACE_H_
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#include <string>
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#include <vector>
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#include "api/jsep.h"
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#include "api/media_types.h"
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#include "media/base/media_channel.h"
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#include "pc/rtp_transport_internal.h"
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namespace cricket {
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class MediaContentDescription;
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// ChannelInterface contains methods common to voice, video and data channels.
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// As more methods are added to BaseChannel, they should be included in the
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// interface as well.
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class ChannelInterface {
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public:
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virtual cricket::MediaType media_type() const = 0;
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virtual MediaChannel* media_channel() const = 0;
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// TODO(deadbeef): This is redundant; remove this.
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virtual const std::string& transport_name() const = 0;
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virtual const std::string& content_name() const = 0;
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virtual bool enabled() const = 0;
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// Enables or disables this channel
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virtual bool Enable(bool enable) = 0;
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// Used for latency measurements.
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virtual sigslot::signal1<ChannelInterface*>& SignalFirstPacketReceived() = 0;
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// Channel control
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virtual bool SetLocalContent(const MediaContentDescription* content,
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webrtc::SdpType type,
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std::string* error_desc) = 0;
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virtual bool SetRemoteContent(const MediaContentDescription* content,
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webrtc::SdpType type,
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std::string* error_desc) = 0;
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2020-12-23 07:48:30 +00:00
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virtual bool SetPayloadTypeDemuxingEnabled(bool enabled) = 0;
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2020-08-14 16:58:22 +00:00
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// Access to the local and remote streams that were set on the channel.
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virtual const std::vector<StreamParams>& local_streams() const = 0;
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virtual const std::vector<StreamParams>& remote_streams() const = 0;
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// Set an RTP level transport.
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// Some examples:
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// * An RtpTransport without encryption.
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// * An SrtpTransport for SDES.
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// * A DtlsSrtpTransport for DTLS-SRTP.
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virtual bool SetRtpTransport(webrtc::RtpTransportInternal* rtp_transport) = 0;
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protected:
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virtual ~ChannelInterface() = default;
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};
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} // namespace cricket
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#endif // PC_CHANNEL_INTERFACE_H_
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