Add QP sum stats for received streams.

webrtc/modules/video_coding/generic_decoder.cc

 /*
  *  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 30 matching lines @@
   CriticalSectionScoped cs(_critSect);
   return _receiveCallback;
 }
 
 int32_t VCMDecodedFrameCallback::Decoded(VideoFrame& decodedImage) {
   return Decoded(decodedImage, -1);
 }
 
 int32_t VCMDecodedFrameCallback::Decoded(VideoFrame& decodedImage,
                                          int64_t decode_time_ms) {
+  return Decoded(decodedImage,
+                 decode_time_ms >= 0 ? rtc::Optional<int32_t>(decode_time_ms)
+                                     : rtc::Optional<int32_t>(),
+                 rtc::Optional<uint8_t>());
+}
+
+int32_t VCMDecodedFrameCallback::Decoded(VideoFrame& decodedImage,
+                                         rtc::Optional<int32_t> decode_time_ms,
+                                         rtc::Optional<uint8_t> qp) {
   TRACE_EVENT_INSTANT1("webrtc", "VCMDecodedFrameCallback::Decoded",
                        "timestamp", decodedImage.timestamp());
   // TODO(holmer): We should improve this so that we can handle multiple
   // callbacks from one call to Decode().
   VCMFrameInformation* frameInfo;
   VCMReceiveCallback* callback;
   {
     CriticalSectionScoped cs(_critSect);
     frameInfo = _timestampMap.Pop(decodedImage.timestamp());
     callback = _receiveCallback;
   }
 
   if (frameInfo == NULL) {
     LOG(LS_WARNING) << "Too many frames backed up in the decoder, dropping "
                        "this one.";
     return WEBRTC_VIDEO_CODEC_OK;
   }
 
   const int64_t now_ms = _clock->TimeInMilliseconds();
-  if (decode_time_ms < 0) {
-    decode_time_ms =
+  if (!decode_time_ms) {
+    *decode_time_ms =
         static_cast<int32_t>(now_ms - frameInfo->decodeStartTimeMs);
   }
-  _timing->StopDecodeTimer(decodedImage.timestamp(), decode_time_ms, now_ms,
+  _timing->StopDecodeTimer(decodedImage.timestamp(), *decode_time_ms, now_ms,
                            frameInfo->renderTimeMs);
 
   decodedImage.set_render_time_ms(frameInfo->renderTimeMs);
   decodedImage.set_rotation(frameInfo->rotation);
   // TODO(sakal): Investigate why callback is NULL sometimes and replace if
   // statement with a DCHECK.
   if (callback) {
-    callback->FrameToRender(decodedImage);
+    callback->FrameToRender(decodedImage, qp);
   } else {
     LOG(LS_WARNING) << "No callback, dropping frame.";
   }
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 int32_t VCMDecodedFrameCallback::ReceivedDecodedReferenceFrame(
     const uint64_t pictureId) {
   CriticalSectionScoped cs(_critSect);
   if (_receiveCallback != NULL) {
@@ skipping 92 matching lines @@
 
 bool VCMGenericDecoder::External() const {
   return _isExternal;
 }
 
 bool VCMGenericDecoder::PrefersLateDecoding() const {
   return _decoder->PrefersLateDecoding();
 }
 
 }  // namespace webrtc