Add unit tests for qp parser.

webrtc/modules/video_coding/codecs/test/videoprocessor_integrationtest.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 588 matching lines @@
       // it has been sent for encoding.
 
       if (process.hw_codec) {
         LOG(LS_WARNING) << "HW codecs should mostly be run in batch mode, "
                            "since they may be pipelining.";
       }
 
       while (frame_number < num_frames) {
         EXPECT_TRUE(processor_->ProcessFrame(frame_number));
 
+#if !defined(WEBRTC_VIDEOPROCESSOR_H264_TESTS)

[brandtr, 2017/05/26 07:18:46]

This will disable the EXPECT whenever H264 is compiled. Better to check
|codec_type| instead.

[jianj, 2017/05/26 18:20:27]

Done.

+        if (!process.hw_codec)

[brandtr, 2017/05/26 07:18:46]

{}

[jianj, 2017/05/26 18:20:27]

Done.

+          EXPECT_EQ(processor_->GetQpFromEncoder(),
+                    processor_->GetQpFromBitstream());
+#endif
+
         ++num_frames_per_update_[TemporalLayerIndexForFrame(frame_number)];
         ++num_frames_total_;
         UpdateRateControlMetrics(frame_number);
 
         ++frame_number;
 
         // If we hit another/next update, verify stats for current state and
         // update layers and codec with new rates.
         if (frame_number ==
             rate_profile.frame_index_rate_update[update_index + 1]) {
@@ skipping 200 matching lines @@
 
   // Codec and network settings.
   float packet_loss_probability_;
   int num_temporal_layers_;
 };
 
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_VIDEOPROCESSOR_INTEGRATIONTEST_H_