Add QP sum stats for received streams.

webrtc/modules/video_coding/generic_decoder.h

 /*
  *  Copyright (c) 2012 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 19 matching lines @@
   VideoRotation rotation;
 };
 
 class VCMDecodedFrameCallback : public DecodedImageCallback {
  public:
   VCMDecodedFrameCallback(VCMTiming* timing, Clock* clock);
     virtual ~VCMDecodedFrameCallback();
     void SetUserReceiveCallback(VCMReceiveCallback* receiveCallback);
     VCMReceiveCallback* UserReceiveCallback();
 
-    virtual int32_t Decoded(VideoFrame& decodedImage);  // NOLINT
-    virtual int32_t Decoded(VideoFrame& decodedImage,   // NOLINT
-                            int64_t decode_time_ms);
-    virtual int32_t ReceivedDecodedReferenceFrame(const uint64_t pictureId);
-    virtual int32_t ReceivedDecodedFrame(const uint64_t pictureId);
+    int32_t Decoded(VideoFrame& decodedImage) override;
+    int32_t Decoded(VideoFrame& decodedImage, int64_t decode_time_ms) override;
+    void Decoded(VideoFrame& decodedImage,
+                 rtc::Optional<int32_t> decode_time_ms,
+                 rtc::Optional<uint8_t> qp) override;
+    int32_t ReceivedDecodedReferenceFrame(const uint64_t pictureId) override;
+    int32_t ReceivedDecodedFrame(const uint64_t pictureId) override;
 
     uint64_t LastReceivedPictureID() const;
     void OnDecoderImplementationName(const char* implementation_name);
 
     void Map(uint32_t timestamp, VCMFrameInformation* frameInfo);
     int32_t Pop(uint32_t timestamp);
 
  private:
     // Protect |_receiveCallback| and |_timestampMap|.
     CriticalSectionWrapper* _critSect;
@@ skipping 42 matching lines @@
   uint32_t _nextFrameInfoIdx;
   VideoDecoder* const _decoder;
   VideoCodecType _codecType;
   bool _isExternal;
   bool _keyFrameDecoded;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_GENERIC_DECODER_H_