vp9-svc: Fix issues with svc with periodic key frames.

Use the superframe counter to set the key frame, and force
it to the key frame on base spatial layer only.
Also, update svc frame counters under frame dropping.

Update unittest: add specific tests with short key frame period.

https://bugs.chromium.org/p/webm/issues/detail?id=1150

Change-Id: I5b1c9a09253e6e5fbfce51b4cf603ae22d422b01

1 files changed, 96 insertions, 16 deletions

diff --git a/test/datarate_test.cc b/test/datarate_test.cc
index d6b1b5247..c0796dff3 100644
--- a/test/datarate_test.cc
+++ b/test/datarate_test.cc
@@ -901,8 +901,6 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers) {
   svc_params_.scaling_factor_num[1] = 288;
   svc_params_.scaling_factor_den[1] = 288;
   cfg_.rc_dropframe_thresh = 10;
-  // TODO(marpan): another test should be added for default/small kf_max_dist
-  // once https://bugs.chromium.org/p/webm/issues/detail?id=1150 is fixed.
   cfg_.kf_max_dist = 9999;
   ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
                                        30, 1, 0, 200);
@@ -918,10 +916,90 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers) {
             << " The datarate for the file exceeds the target by too much!";
     ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
         << " The datarate for the file is lower than the target by too much!";
-    EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
+    EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
   }
 }
 
+// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and
+// 3 temporal layers. Run CIF clip with 1 thread. Use short key frame period.
+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayersSmallKf_dist) {
+  cfg_.rc_buf_initial_sz = 500;
+  cfg_.rc_buf_optimal_sz = 500;
+  cfg_.rc_buf_sz = 1000;
+  cfg_.rc_min_quantizer = 0;
+  cfg_.rc_max_quantizer = 63;
+  cfg_.rc_end_usage = VPX_CBR;
+  cfg_.g_lag_in_frames = 0;
+  cfg_.ss_number_layers = 2;
+  cfg_.ts_number_layers = 3;
+  cfg_.ts_rate_decimator[0] = 4;
+  cfg_.ts_rate_decimator[1] = 2;
+  cfg_.ts_rate_decimator[2] = 1;
+  cfg_.g_error_resilient = 1;
+  cfg_.g_threads = 1;
+  cfg_.temporal_layering_mode = 3;
+  svc_params_.scaling_factor_num[0] = 144;
+  svc_params_.scaling_factor_den[0] = 288;
+  svc_params_.scaling_factor_num[1] = 288;
+  svc_params_.scaling_factor_den[1] = 288;
+  cfg_.rc_dropframe_thresh = 10;
+  cfg_.kf_max_dist = 64;
+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
+                                       30, 1, 0, 200);
+  // TODO(wonkap/marpan): Check that effective_datarate for each layer hits the
+  // layer target_bitrate. Also check if test can pass at lower bitrate (~200k).
+  for (int i = 400; i <= 800; i += 200) {
+    cfg_.rc_target_bitrate = i;
+    ResetModel();
+    assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,
+        cfg_.ts_number_layers, cfg_.temporal_layering_mode);
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    ASSERT_GE(cfg_.rc_target_bitrate, file_datarate_ * 0.85)
+            << " The datarate for the file exceeds the target by too much!";
+    ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
+        << " The datarate for the file is lower than the target by too much!";
+    EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
+  }
+}
+
+// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and
+// 3 temporal layers. Run HD clip with 4 threads.
+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers4threads) {
+  cfg_.rc_buf_initial_sz = 500;
+  cfg_.rc_buf_optimal_sz = 500;
+  cfg_.rc_buf_sz = 1000;
+  cfg_.rc_min_quantizer = 0;
+  cfg_.rc_max_quantizer = 63;
+  cfg_.rc_end_usage = VPX_CBR;
+  cfg_.g_lag_in_frames = 0;
+  cfg_.ss_number_layers = 2;
+  cfg_.ts_number_layers = 3;
+  cfg_.ts_rate_decimator[0] = 4;
+  cfg_.ts_rate_decimator[1] = 2;
+  cfg_.ts_rate_decimator[2] = 1;
+  cfg_.g_error_resilient = 1;
+  cfg_.g_threads = 4;
+  cfg_.temporal_layering_mode = 3;
+  svc_params_.scaling_factor_num[0] = 144;
+  svc_params_.scaling_factor_den[0] = 288;
+  svc_params_.scaling_factor_num[1] = 288;
+  svc_params_.scaling_factor_den[1] = 288;
+  cfg_.rc_dropframe_thresh = 10;
+  cfg_.kf_max_dist = 9999;
+  ::libvpx_test::I420VideoSource video("niklas_1280_720_30.y4m", 1280, 720,
+                                       30, 1, 0, 300);
+  cfg_.rc_target_bitrate = 800;
+  ResetModel();
+  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,
+      cfg_.ts_number_layers, cfg_.temporal_layering_mode);
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  ASSERT_GE(cfg_.rc_target_bitrate, file_datarate_ * 0.85)
+          << " The datarate for the file exceeds the target by too much!";
+  ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
+      << " The datarate for the file is lower than the target by too much!";
+  EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
+}
+
 // Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and
 // 3 temporal layers. Run CIF clip with 1 thread.
 TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SpatialLayers) {
@@ -959,12 +1037,12 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SpatialLayers) {
           << " The datarate for the file exceeds the target by too much!";
   ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.22)
       << " The datarate for the file is lower than the target by too much!";
-  EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
+  EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
 }
 
-// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and
-// 3 temporal layers. Run HD clip with 4 threads.
-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers4threads) {
+// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and
+// 3 temporal layers. Run CIF clip with 1 thread. Use short key frame period.
+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SpatialLayersSmallKf) {
   cfg_.rc_buf_initial_sz = 500;
   cfg_.rc_buf_optimal_sz = 500;
   cfg_.rc_buf_sz = 1000;
@@ -972,32 +1050,34 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SpatialLayers4threads) {
   cfg_.rc_max_quantizer = 63;
   cfg_.rc_end_usage = VPX_CBR;
   cfg_.g_lag_in_frames = 0;
-  cfg_.ss_number_layers = 2;
+  cfg_.ss_number_layers = 3;
   cfg_.ts_number_layers = 3;
   cfg_.ts_rate_decimator[0] = 4;
   cfg_.ts_rate_decimator[1] = 2;
   cfg_.ts_rate_decimator[2] = 1;
   cfg_.g_error_resilient = 1;
-  cfg_.g_threads = 4;
+  cfg_.g_threads = 1;
   cfg_.temporal_layering_mode = 3;
-  svc_params_.scaling_factor_num[0] = 144;
+  svc_params_.scaling_factor_num[0] = 72;
   svc_params_.scaling_factor_den[0] = 288;
-  svc_params_.scaling_factor_num[1] = 288;
+  svc_params_.scaling_factor_num[1] = 144;
   svc_params_.scaling_factor_den[1] = 288;
+  svc_params_.scaling_factor_num[2] = 288;
+  svc_params_.scaling_factor_den[2] = 288;
   cfg_.rc_dropframe_thresh = 10;
-  cfg_.kf_max_dist = 9999;
+  cfg_.kf_max_dist = 32;
   ::libvpx_test::I420VideoSource video("niklas_1280_720_30.y4m", 1280, 720,
                                        30, 1, 0, 300);
   cfg_.rc_target_bitrate = 800;
   ResetModel();
   assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,
-      cfg_.ts_number_layers, cfg_.temporal_layering_mode);
+     cfg_.ts_number_layers, cfg_.temporal_layering_mode);
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   ASSERT_GE(cfg_.rc_target_bitrate, file_datarate_ * 0.85)
           << " The datarate for the file exceeds the target by too much!";
-  ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.15)
+  ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.30)
       << " The datarate for the file is lower than the target by too much!";
-  EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
+  EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
 }
 
 // Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and
@@ -1037,7 +1117,7 @@ TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SpatialLayers4threads) {
           << " The datarate for the file exceeds the target by too much!";
   ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.22)
       << " The datarate for the file is lower than the target by too much!";
-  EXPECT_EQ(GetMismatchFrames(), (unsigned int) 0);
+  EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
 }
 
 VP8_INSTANTIATE_TEST_CASE(DatarateTestLarge, ALL_TEST_MODES);