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webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc

Index: webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc
diff --git a/webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc b/webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc
index 04bbd161ec699338a2a36ac9a6f912ee39207132..e6451aba1c0adab74a1315c38a41b41e9cf8b816 100644
--- a/webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc
+++ b/webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc
@@ -404,6 +404,13 @@ int VP9EncoderImpl::InitAndSetControlSettings(const VideoCodec* inst) {
   vpx_codec_control(encoder_, VP9E_SET_NOISE_SENSITIVITY,
                     inst->codecSpecific.VP9.denoisingOn ? 1 : 0);
 #endif
+  if (codec_.mode == kScreensharing) {
+    // Adjust internal parameters to screen content.
+    vpx_codec_control(encoder_, VP9E_SET_TUNE_CONTENT, 1);
+  }
+  // Let the encoder skip the encoding of very flat/low content blocks.
+  vpx_codec_control(encoder_, VP8E_SET_STATIC_THRESHOLD, 1);
+
   inited_ = true;
   return WEBRTC_VIDEO_CODEC_OK;
 }