Trace encoding/decoding time in a generic way.

webrtc/modules/video_coding/main/source/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.
  */
 
 #include "webrtc/base/logging.h"
+#include "webrtc/base/trace_event.h"
 #include "webrtc/modules/video_coding/main/interface/video_coding.h"
 #include "webrtc/modules/video_coding/main/source/generic_decoder.h"
 #include "webrtc/modules/video_coding/main/source/internal_defines.h"
 #include "webrtc/system_wrappers/include/clock.h"
 
 namespace webrtc {
 
 VCMDecodedFrameCallback::VCMDecodedFrameCallback(VCMTiming& timing,
                                                  Clock* clock)
 :
@@ skipping 23 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) {
+    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;
     }
 
@@ skipping 75 matching lines @@
 {
 }
 
 VCMGenericDecoder::~VCMGenericDecoder()
 {
 }
 
 int32_t VCMGenericDecoder::InitDecode(const VideoCodec* settings,
                                       int32_t numberOfCores)
 {
+    TRACE_EVENT0("webrtc", "VCMGenericDecoder::InitDecode");
     _codecType = settings->codecType;
 
     return _decoder.InitDecode(settings, numberOfCores);
 }
 
-int32_t VCMGenericDecoder::Decode(const VCMEncodedFrame& frame,
-                                        int64_t nowMs)
-{
+int32_t VCMGenericDecoder::Decode(const VCMEncodedFrame& frame, int64_t nowMs) {
+    TRACE_EVENT1("webrtc", "VCMGenericDecoder::Decode", "timestamp",
+                 frame.EncodedImage()._timeStamp);
     _frameInfos[_nextFrameInfoIdx].decodeStartTimeMs = nowMs;
     _frameInfos[_nextFrameInfoIdx].renderTimeMs = frame.RenderTimeMs();
     _frameInfos[_nextFrameInfoIdx].rotation = frame.rotation();
     _callback->Map(frame.TimeStamp(), &_frameInfos[_nextFrameInfoIdx]);
 
     _nextFrameInfoIdx = (_nextFrameInfoIdx + 1) % kDecoderFrameMemoryLength;
     int32_t ret = _decoder.Decode(frame.EncodedImage(),
                                         frame.MissingFrame(),
                                         frame.FragmentationHeader(),
                                         frame.CodecSpecific(),
@@ skipping 31 matching lines @@
     _callback = callback;
     return _decoder.RegisterDecodeCompleteCallback(callback);
 }
 
 bool VCMGenericDecoder::External() const
 {
     return _isExternal;
 }
 
 }  // namespace