In screenshare mode, suppress VP8 bitrate overshoot and increase quality

webrtc/modules/video_coding/codecs/vp8/simulcast_unittest.h

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 178 matching lines @@
       return layers_->ConfigureBitrates(
           bitrate_kbit, max_bitrate_kbit, framerate, cfg);
     }
 
     void PopulateCodecSpecific(bool base_layer_sync,
                                CodecSpecificInfoVP8* vp8_info,
                                uint32_t timestamp) override {
       layers_->PopulateCodecSpecific(base_layer_sync, vp8_info, timestamp);
     }
 
-    void FrameEncoded(unsigned int size, uint32_t timestamp) override {
-      layers_->FrameEncoded(size, timestamp);
+    void FrameEncoded(unsigned int size, uint32_t timestamp, int qp) override {
+      layers_->FrameEncoded(size, timestamp, qp);
     }
 
     int CurrentLayerId() const override { return layers_->CurrentLayerId(); }
 
+    bool UpdateConfiguration(vpx_codec_enc_cfg_t* cfg) override {
+      return false;
+    }
+
     int configured_bitrate_;
     TemporalLayers* layers_;
   };
 
   class SpyingTemporalLayersFactory : public TemporalLayers::Factory {
    public:
     virtual ~SpyingTemporalLayersFactory() {}
     TemporalLayers* Create(int temporal_layers,
                            uint8_t initial_tl0_pic_idx) const override {
       SpyingTemporalLayers* layers =
@@ skipping 779 matching lines @@
   rtc::scoped_ptr<VP8Decoder> decoder_;
   MockDecodedImageCallback decoder_callback_;
   VideoCodec settings_;
   VideoFrame input_frame_;
 };
 
 }  // namespace testing
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_UNITTEST_H_