From 2597a1b22c0a906023d7cb204a91bb49c2b96c64 Mon Sep 17 00:00:00 2001
From: Sergey Silkin <ssilkin@webrtc.org>
Date: Tue, 1 Sep 2020 11:40:38 +0200
Subject: [PATCH] Set initial decoder resolution from field trial.
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Bug: webrtc:11898
Change-Id: Ie1313bfa3e99abe80f00ed3067f29c775d0f6831
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/183040
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32025}
---
 video/video_receive_stream2.cc | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/video/video_receive_stream2.cc b/video/video_receive_stream2.cc
index 9e4c2ad76b..7a848cfdff 100644
--- a/video/video_receive_stream2.cc
+++ b/video/video_receive_stream2.cc
@@ -132,8 +132,19 @@ VideoCodec CreateDecoderVideoCodec(const VideoReceiveStream::Decoder& decoder) {
     return associated_codec;
   }
 
-  codec.width = 320;
-  codec.height = 180;
+  FieldTrialOptional<int> width("w");
+  FieldTrialOptional<int> height("h");
+  ParseFieldTrial(
+      {&width, &height},
+      field_trial::FindFullName("WebRTC-Video-InitialDecoderResolution"));
+  if (width && height) {
+    codec.width = width.Value();
+    codec.height = height.Value();
+  } else {
+    codec.width = 320;
+    codec.height = 180;
+  }
+
   const int kDefaultStartBitrate = 300;
   codec.startBitrate = codec.minBitrate = codec.maxBitrate =
       kDefaultStartBitrate;