Minor improvements to VideoProcessor and corresponding test.

webrtc/modules/video_coding/codecs/test/stats.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 32 matching lines @@
 
 FrameStatistic& Stats::NewFrame(int frame_number) {
   RTC_DCHECK_GE(frame_number, 0);
   FrameStatistic stat;
   stat.frame_number = frame_number;
   stats_.push_back(stat);
   return stats_[frame_number];
 }
 
 void Stats::PrintSummary() {
-  printf("Processing summary:\n");
   if (stats_.empty()) {
     printf("No frame statistics have been logged yet.\n");
     return;
   }
 
   // Calculate min, max, average and total encoding time.
   int total_encoding_time_in_us = 0;
   int total_decoding_time_in_us = 0;
   int total_qp = 0;
   int total_qp_count = 0;
@@ skipping 74 matching lines @@
            total_encoded_key_frames_lengths / num_keyframes, num_keyframes);
   }
   if (num_nonkeyframes > 0) {
     printf("  Average non-key frame size: %7" PRIuS " bytes (%" PRIuS
            " frames)\n",
            total_encoded_nonkey_frames_lengths / num_nonkeyframes,
            num_nonkeyframes);
   }
 
   // Bitrate stats.
-  printf("Bit rates:\n");
+  printf("Bitrates:\n");
   frame = std::min_element(stats_.begin(), stats_.end(), LessForBitRate);
-  printf("  Min bit rate: %7d kbps (frame %d)\n", frame->bit_rate_in_kbps,
+  printf("  Min bitrate: %7d kbps (frame %d)\n", frame->bit_rate_in_kbps,
          frame->frame_number);
   frame = std::max_element(stats_.begin(), stats_.end(), LessForBitRate);
-  printf("  Max bit rate: %7d kbps (frame %d)\n", frame->bit_rate_in_kbps,
+  printf("  Max bitrate: %7d kbps (frame %d)\n", frame->bit_rate_in_kbps,
          frame->frame_number);
 
-  int avg_qp = (total_qp_count > 0) ? (total_qp / total_qp_count) : -1;
-  printf("Average QP: %d\n", avg_qp);
-
   printf("\n");
   printf("Total encoding time  : %7d ms.\n", total_encoding_time_in_us / 1000);
   printf("Total decoding time  : %7d ms.\n", total_decoding_time_in_us / 1000);
   printf("Total processing time: %7d ms.\n",
          (total_encoding_time_in_us + total_decoding_time_in_us) / 1000);
+
+  int avg_qp = (total_qp_count > 0) ? (total_qp / total_qp_count) : -1;
+  printf("Average QP: %d\n", avg_qp);
 }
 
 }  // namespace test
 }  // namespace webrtc