commit 70c8945c15d5758da1204061415be2861c890dbb
author Per Kjellander <perkj@webrtc.org> Wed Oct 21 13:35:07 2020 +0200
committer Commit Bot <commit-bot@chromium.org> Wed Oct 21 15:40:09 2020 +0000
tree 77adbd8d25791fa8c2d80508fb0e85a01eff4fc6
parent 024d0157ab05602dd606f22b36d3a47b97e95f40

Offer VideoLayersAllocation if field trial enabled

Enable using the field trial WebRTC-VideoLayersAllocationAdvertised/Enabled/

Bug: webrtc:1200
Change-Id: I7c1d94c6051aace8d22c16e0f2e2256dd7ade7fd
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/189960
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32465}

api/rtp_parameters.cc

diff --git a/api/rtp_parameters.cc b/api/rtp_parameters.cc
index 28acb68..57aa784 100644
--- a/api/rtp_parameters.cc
+++ b/api/rtp_parameters.cc
@@ -121,6 +121,7 @@
 constexpr char RtpExtension::kVideoTimingUri[];
 constexpr char RtpExtension::kGenericFrameDescriptorUri00[];
 constexpr char RtpExtension::kDependencyDescriptorUri[];
+constexpr char RtpExtension::kVideoLayersAllocationUri[];
 constexpr char RtpExtension::kTransportSequenceNumberUri[];
 constexpr char RtpExtension::kTransportSequenceNumberV2Uri[];
 constexpr char RtpExtension::kPlayoutDelayUri[];
@@ -161,7 +162,8 @@
          uri == webrtc::RtpExtension::kDependencyDescriptorUri ||
          uri == webrtc::RtpExtension::kColorSpaceUri ||
          uri == webrtc::RtpExtension::kRidUri ||
-         uri == webrtc::RtpExtension::kRepairedRidUri;
+         uri == webrtc::RtpExtension::kRepairedRidUri ||
+         uri == webrtc::RtpExtension::kVideoLayersAllocationUri;
 }
 
 bool RtpExtension::IsEncryptionSupported(absl::string_view uri) {
@@ -183,7 +185,8 @@
          uri == webrtc::RtpExtension::kVideoContentTypeUri ||
          uri == webrtc::RtpExtension::kMidUri ||
          uri == webrtc::RtpExtension::kRidUri ||
-         uri == webrtc::RtpExtension::kRepairedRidUri;
+         uri == webrtc::RtpExtension::kRepairedRidUri ||
+         uri == webrtc::RtpExtension::kVideoLayersAllocationUri;
 }
 
 const RtpExtension* RtpExtension::FindHeaderExtensionByUri(

api/rtp_parameters.h

diff --git a/api/rtp_parameters.h b/api/rtp_parameters.h
index b667bf8..369d277 100644
--- a/api/rtp_parameters.h
+++ b/api/rtp_parameters.h
@@ -318,6 +318,10 @@
       "https://aomediacodec.github.io/av1-rtp-spec/"
       "#dependency-descriptor-rtp-header-extension";
 
+  // Experimental extension for signalling target bitrate per layer.
+  static constexpr char kVideoLayersAllocationUri[] =
+      "http://www.webrtc.org/experiments/rtp-hdrext/video-layers-allocation00";
+
   // Header extension for transport sequence number, see url for details:
   // http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions
   static constexpr char kTransportSequenceNumberUri[] =