Expose codec implementation names in stats.

webrtc/modules/video_coding/include/video_coding_defines.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 44 matching lines @@
 };
 
 // Callback class used for sending data ready to be packetized
 class VCMPacketizationCallback {
  public:
   virtual int32_t SendData(uint8_t payloadType,
                            const EncodedImage& encoded_image,
                            const RTPFragmentationHeader& fragmentationHeader,
                            const RTPVideoHeader* rtpVideoHdr) = 0;
 
+  virtual void OnEncoderImplementationName(const char* implementation_name) {}
+
  protected:
   virtual ~VCMPacketizationCallback() {
   }
 };
 
 // Callback class used for passing decoded frames which are ready to be rendered.
 class VCMReceiveCallback {
  public:
   virtual int32_t FrameToRender(VideoFrame& videoFrame) = 0;
   virtual int32_t ReceivedDecodedReferenceFrame(
       const uint64_t pictureId) {
     return -1;
   }
   // Called when the current receive codec changes.
   virtual void OnIncomingPayloadType(int payload_type) {}
+  virtual void OnDecoderImplementationName(const char* implementation_name) {}
 
  protected:
   virtual ~VCMReceiveCallback() {
   }
 };
 
 // Callback class used for informing the user of the bit rate and frame rate produced by the
 // encoder.
 class VCMSendStatisticsCallback {
  public:
@@ skipping 102 matching lines @@
   virtual void RenderBufferSizeMs(int buffer_size_ms) = 0;
 
  protected:
   virtual ~VCMRenderBufferSizeCallback() {
   }
 };
 
 }  // namespace webrtc
 
 #endif // WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODING_DEFINES_H_