svc: Fix an existing unittest for flexible mode

The flag update_pattern_ was being set to 0
(because it was set before reset) instead of 1.
And the example flexible mode pattern was not setting
non-reference frame on top temporal top spatial.

Change-Id: I8aee56ce13cc4e0d614126592f9d0f691fe527b0

2 files changed, 8 insertions, 6 deletions

diff --git a/test/svc_datarate_test.cc b/test/svc_datarate_test.cc
index 3af225596..95d82ce54 100644
--- a/test/svc_datarate_test.cc
+++ b/test/svc_datarate_test.cc
@@ -153,8 +153,8 @@ class DatarateOnePassCbrSvc : public OnePassCbrSvc {
           ref_frame_config->reference_last[sl] = 1;
           ref_frame_config->reference_golden[sl] = 0;
           ref_frame_config->reference_alt_ref[sl] = 0;
-          ref_frame_config->update_buffer_slot[sl] |=
-              1 << ref_frame_config->alt_fb_idx[sl];
+          // Non reference frame on top temporal top spatial.
+          ref_frame_config->update_buffer_slot[sl] = 0;
         }
         // Force no update on all spatial layers for temporal enhancement layer
         // frames.
@@ -275,8 +275,10 @@ class DatarateOnePassCbrSvc : public OnePassCbrSvc {
       layer_id.spatial_layer_id = 0;
       layer_id.temporal_layer_id = (video->frame() % 2 != 0);
       temporal_layer_id_ = layer_id.temporal_layer_id;
-      for (int i = 0; i < number_spatial_layers_; i++)
+      for (int i = 0; i < number_spatial_layers_; i++) {
         layer_id.temporal_layer_id_per_spatial[i] = temporal_layer_id_;
+        ref_frame_config.duration[i] = 1;
+      }
       encoder->Control(VP9E_SET_SVC_LAYER_ID, &layer_id);
       set_frame_flags_bypass_mode(layer_id.temporal_layer_id,
                                   number_spatial_layers_, 0, &ref_frame_config,
@@ -750,14 +752,14 @@ TEST_P(DatarateOnePassCbrSvcSingleBR, OnePassCbrSvc3SL2TLDynamicPatternChange) {
   cfg_.g_threads = 1;
   cfg_.rc_dropframe_thresh = 30;
   cfg_.kf_max_dist = 9999;
-  // Change SVC pattern on the fly.
-  update_pattern_ = 1;
   ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,
                                        0, 400);
   top_sl_width_ = 640;
   top_sl_height_ = 480;
   cfg_.rc_target_bitrate = 800;
   ResetModel();
+  // Change SVC pattern on the fly.
+  update_pattern_ = 1;
   AssignLayerBitrates();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckLayerRateTargeting(number_spatial_layers_, number_temporal_layers_, 0.78,
diff --git a/vp9/encoder/vp9_svc_layercontext.c b/vp9/encoder/vp9_svc_layercontext.c
index b6c7c74e1..f9a0de62a 100644
--- a/vp9/encoder/vp9_svc_layercontext.c
+++ b/vp9/encoder/vp9_svc_layercontext.c
@@ -956,7 +956,7 @@ int vp9_one_pass_cbr_svc_start_layer(VP9_COMP *const cpi) {
   if (cpi->common.frame_type != KEY_FRAME && !cpi->ext_refresh_last_frame &&
       !cpi->ext_refresh_golden_frame && !cpi->ext_refresh_alt_ref_frame)
     svc->non_reference_frame = 1;
-  // For non-flexible mode, where update_buffer_slot is used, need to check if
+  // For flexible mode, where update_buffer_slot is used, need to check if
   // all buffer slots are not refreshed.
   if (svc->temporal_layering_mode == VP9E_TEMPORAL_LAYERING_MODE_BYPASS) {
     if (svc->update_buffer_slot[svc->spatial_layer_id] != 0)