0357b3e7b6
This change adds exposure of a new transceiver method for getting the total set of supported extensions stored as an attribute, and their direction. If the direction is kStopped, the extension is not signalled in Unified Plan SDP negotiation. Note: SDP negotiation is not modified by this change. Changes: - RtpHeaderExtensionCapability gets a new RtpTransceiverDirection, indicating either kStopped (extension available but not signalled), or other (extension signalled). - RtpTransceiver gets the new method as described above. The default value of the attribute comes from the voice and video engines as before. https://chromestatus.com/feature/5680189201711104. go/rtp-header-extension-ip Intent to prototype: https://groups.google.com/a/chromium.org/g/blink-dev/c/65YdUi02yZk Bug: chromium:1051821 Change-Id: I440443b474db5b1cfe8c6b25b6c10a3ff9c21a8c Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/170235 Commit-Queue: Markus Handell <handellm@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30800}
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/*
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* Copyright (c) 2016 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 MEDIA_ENGINE_NULL_WEBRTC_VIDEO_ENGINE_H_
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#define MEDIA_ENGINE_NULL_WEBRTC_VIDEO_ENGINE_H_
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#include <vector>
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#include "media/base/media_channel.h"
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#include "media/base/media_engine.h"
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namespace webrtc {
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class Call;
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} // namespace webrtc
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namespace cricket {
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class VideoMediaChannel;
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// Video engine implementation that does nothing and can be used in
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// CompositeMediaEngine.
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class NullWebRtcVideoEngine : public VideoEngineInterface {
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public:
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std::vector<VideoCodec> codecs() const override {
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return std::vector<VideoCodec>();
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}
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std::vector<webrtc::RtpHeaderExtensionCapability> GetRtpHeaderExtensions()
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const override {
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return {};
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}
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VideoMediaChannel* CreateMediaChannel(
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webrtc::Call* call,
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const MediaConfig& config,
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const VideoOptions& options,
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const webrtc::CryptoOptions& crypto_options,
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webrtc::VideoBitrateAllocatorFactory* video_bitrate_allocator_factory)
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override {
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return nullptr;
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}
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};
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} // namespace cricket
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#endif // MEDIA_ENGINE_NULL_WEBRTC_VIDEO_ENGINE_H_
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