From 5f45e6651864ffc14a5adfc64d8c5248e123d1a4 Mon Sep 17 00:00:00 2001
From: Ilya Nikolaevskiy <ilnik@webrtc.org>
Date: Fri, 28 Sep 2018 14:28:20 +0200
Subject: [PATCH] Fix temporal layers pattern checker for VP8 video
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Bug: webrtc:9791
Change-Id: Ie9be71d95705420397bf8053da61643ca45cceda
Reviewed-on: https://webrtc-review.googlesource.com/102620
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24910}
---
 modules/video_coding/codecs/vp8/default_temporal_layers.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/video_coding/codecs/vp8/default_temporal_layers.cc b/modules/video_coding/codecs/vp8/default_temporal_layers.cc
index b6884da8fb..0b593a58b3 100644
--- a/modules/video_coding/codecs/vp8/default_temporal_layers.cc
+++ b/modules/video_coding/codecs/vp8/default_temporal_layers.cc
@@ -504,7 +504,11 @@ std::vector<std::set<uint8_t>> GetTemporalDependencies(
     case 1:
       return {{0}};
     case 2:
-      return {{6}, {0}, {0}, {1, 2}, {2}, {3, 4}, {4}, {5, 6}};
+      if (!field_trial::IsDisabled("WebRTC-UseShortVP8TL2Pattern")) {
+        return {{2}, {0}, {0}, {1, 2}};
+      } else {
+        return {{6}, {0}, {0}, {1, 2}, {2}, {3, 4}, {4}, {5, 6}};
+      }
     case 3:
       if (field_trial::IsEnabled("WebRTC-UseShortVP8TL3Pattern")) {
         return {{0}, {0}, {0}, {0, 1, 2}};