Add script for plotting statistics from webrtc integration test logs.

webrtc/modules/video_coding/codecs/test/plot_videoprocessor_integrationtest.cc

+/*
+ *  Copyright (c) 2017 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/modules/video_coding/codecs/test/videoprocessor_integrationtest.h"
+
+namespace webrtc {
+namespace test {
+namespace {
+// Codec settings.
+const int kBitrates[] = {30, 50, 100, 200, 300, 500, 1000};
+const int kFps = 30;
+const bool kErrorConcealmentOn = false;
+const bool kDenoisingOn = false;
+const bool kFrameDropperOn = true;
+const bool kSpatialResizeOn = false;
+const VideoCodecType kVideoCodecType = kVideoCodecVP8;
+
+// Packet loss probability [0.0, 1.0].
+const float kPacketLoss = 0.0f;
+
+const bool kVerboseLogging = true;
+}  // namespace
+
+// Tests for plotting statistics from logs.
+class PlotVideoProcessorIntegrationTest
+    : public VideoProcessorIntegrationTest,
+      public ::testing::WithParamInterface<int> {
+ protected:
+  PlotVideoProcessorIntegrationTest() {}
+  virtual ~PlotVideoProcessorIntegrationTest() {}
+
+  void SetUp() { VideoProcessorIntegrationTest::SetUp(); }

[brandtr, 2017/02/09 13:32:42]

Are these two member functions needed?

[åsapersson, 2017/02/09 16:39:37]

Removed the functions.

+  void TearDown() { VideoProcessorIntegrationTest::TearDown(); }
+
+  void RunTest(int bitrate,
+               int width,
+               int height,
+               const std::string& filename) {
+    // Bitrate and frame rate profile.
+    RateProfile rate_profile;
+    SetRateProfilePars(&rate_profile,
+                       0,  // update_index
+                       bitrate, kFps,
+                       0);  // frame_index_rate_update
+    rate_profile.frame_index_rate_update[1] = kNbrFramesLong + 1;
+    rate_profile.num_frames = kNbrFramesLong;
+    // Codec/network settings.
+    CodecConfigPars process_settings;
+    SetCodecParameters(&process_settings, kVideoCodecType, kPacketLoss,
+                       -1,  // key_frame_interval
+                       1,   // num_temporal_layers
+                       kErrorConcealmentOn, kDenoisingOn, kFrameDropperOn,
+                       kSpatialResizeOn, width, height, filename,
+                       kVerboseLogging);
+    // Metrics for expected quality (PSNR avg, PSNR min, SSIM avg, SSIM min).
+    QualityMetrics quality_metrics;
+    SetQualityMetrics(&quality_metrics, 15.0, 10.0, 0.2, 0.1);
+    // Metrics for rate control.
+    RateControlMetrics rc_metrics[1];
+    SetRateControlMetrics(rc_metrics,
+                          0,    // update_index
+                          300,  // max_num_dropped_frames,
+                          400,  // max_key_frame_size_mismatch
+                          200,  // max_delta_frame_size_mismatch
+                          100,  // max_encoding_rate_mismatch
+                          300,  // max_time_hit_target
+                          0,    // num_spatial_resizes
+                          1);   // num_key_frames
+    ProcessFramesAndVerify(quality_metrics, rate_profile, process_settings,
+                           rc_metrics);
+  }
+};
+
+INSTANTIATE_TEST_CASE_P(TestWithBitrate,
+                        PlotVideoProcessorIntegrationTest,
+                        ::testing::ValuesIn(kBitrates));
+
+TEST_P(PlotVideoProcessorIntegrationTest, ProcessSQCif) {
+  RunTest(GetParam(), 128, 96, "foreman_128x96");
+}
+
+TEST_P(PlotVideoProcessorIntegrationTest, ProcessQQVga) {
+  RunTest(GetParam(), 160, 120, "foreman_160x120");
+}
+
+TEST_P(PlotVideoProcessorIntegrationTest, ProcessQCif) {
+  RunTest(GetParam(), 176, 144, "foreman_176x144");
+}
+
+TEST_P(PlotVideoProcessorIntegrationTest, ProcessQVga) {
+  RunTest(GetParam(), 320, 240, "foreman_320x240");
+}
+
+TEST_P(PlotVideoProcessorIntegrationTest, ProcessCif) {
+  RunTest(GetParam(), 352, 288, "foreman_cif");
+}
+
+}  // namespace test
+}  // namespace webrtc