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755c65d8b5
This change adds exposure of a new transceiver method for modifying the extensions offered in the next SDP negotiation, following spec details in https://w3c.github.io/webrtc-extensions/#rtcrtptransceiver-interface. Features: - The interface allows to control the negotiated direction as per https://tools.ietf.org/html/rfc5285#page-7. - The interface allows to remove an extension from SDP negotiation by modifying the direction to RtpTransceiverDirection::kStopped. Note: support for signalling directionality of header extensions in the SDP isn't implemented yet. https://chromestatus.com/feature/5680189201711104. Intent to prototype: https://groups.google.com/a/chromium.org/g/blink-dev/c/65YdUi02yZk Tested: new unit tests in CL and manual tests with downstream project. Bug: chromium:1051821 Change-Id: I7a4c2f979a5e50e88d49598eacb76d24e81c7c7a Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/177348 Commit-Queue: Markus Handell <handellm@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31554}
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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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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#include "api/rtp_transceiver_interface.h"
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#include "rtc_base/checks.h"
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namespace webrtc {
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RtpTransceiverInit::RtpTransceiverInit() = default;
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RtpTransceiverInit::RtpTransceiverInit(const RtpTransceiverInit& rhs) = default;
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RtpTransceiverInit::~RtpTransceiverInit() = default;
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absl::optional<RtpTransceiverDirection>
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RtpTransceiverInterface::fired_direction() const {
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return absl::nullopt;
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}
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RTCError RtpTransceiverInterface::SetCodecPreferences(
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rtc::ArrayView<RtpCodecCapability>) {
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RTC_NOTREACHED() << "Not implemented";
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return {};
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}
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std::vector<RtpCodecCapability> RtpTransceiverInterface::codec_preferences()
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const {
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return {};
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}
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std::vector<RtpHeaderExtensionCapability>
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RtpTransceiverInterface::HeaderExtensionsToOffer() const {
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return {};
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}
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webrtc::RTCError RtpTransceiverInterface::SetOfferedRtpHeaderExtensions(
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rtc::ArrayView<const RtpHeaderExtensionCapability>
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header_extensions_to_offer) {
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return webrtc::RTCError(webrtc::RTCErrorType::UNSUPPORTED_OPERATION);
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}
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} // namespace webrtc
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