New helper function test::ReadI420Buffer, refactor FrameReader to use it.

webrtc/modules/video_coding/codecs/test/videoprocessor_integrationtest.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 208 matching lines @@
         config_.codec_settings->codecSpecific.VP9.automaticResizeOn =
             spatial_resize_on_;
         config_.codec_settings->codecSpecific.VP9.keyFrameInterval =
             kBaseKeyFrameInterval;
         break;
       default:
         assert(false);
         break;
     }
     frame_reader_ = new webrtc::test::FrameReaderImpl(
-        config_.input_filename, config_.frame_length_in_bytes);
+        config_.input_filename, config_.codec_settings->width,
+        config_.codec_settings->height);
     frame_writer_ = new webrtc::test::FrameWriterImpl(
         config_.output_filename, config_.frame_length_in_bytes);
     ASSERT_TRUE(frame_reader_->Init());
     ASSERT_TRUE(frame_writer_->Init());
 
     packet_manipulator_ = new webrtc::test::PacketManipulatorImpl(
         &packet_reader_, config_.networking_config, config_.verbose);
     processor_ = new webrtc::test::VideoProcessorImpl(
         encoder_, decoder_, frame_reader_, frame_writer_, packet_manipulator_,
         config_, &stats_);
@@ skipping 766 matching lines @@
   QualityMetrics quality_metrics;
   SetQualityMetrics(&quality_metrics, 32.5, 30.0, 0.85, 0.80);
   // Metrics for rate control.
   RateControlMetrics rc_metrics[2];
   SetRateControlMetrics(rc_metrics, 0, 0, 20, 30, 10, 10, 0, 1);
   SetRateControlMetrics(rc_metrics, 1, 0, 0, 30, 15, 10, 0, 0);
   ProcessFramesAndVerify(quality_metrics, rate_profile, process_settings,
                          rc_metrics);
 }
 }  // namespace webrtc