libvpx: Pull from upstream

source/libvpx/examples/vpx_temporal_svc_encoder.c

Index: source/libvpx/examples/vpx_temporal_svc_encoder.c
diff --git a/source/libvpx/examples/vpx_temporal_svc_encoder.c b/source/libvpx/examples/vpx_temporal_svc_encoder.c
index dea29c0214c76d6c4fe5d1e1a7549182aa4a5867..d5cd46c681b1665ebb382a5cc0cf42806efdb9a1 100644
--- a/source/libvpx/examples/vpx_temporal_svc_encoder.c
+++ b/source/libvpx/examples/vpx_temporal_svc_encoder.c
@@ -677,7 +677,7 @@ int main(int argc, char **argv) {
       vpx_codec_control(&codec, VP9E_SET_AQ_MODE, 3);
       vpx_codec_control(&codec, VP9E_SET_FRAME_PERIODIC_BOOST, 0);
       vpx_codec_control(&codec, VP9E_SET_NOISE_SENSITIVITY, 0);
-      vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 0);
+      vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 1);
       vpx_codec_control(&codec, VP9E_SET_TILE_COLUMNS, (cfg.g_threads >> 1));
       if (vpx_codec_control(&codec, VP9E_SET_SVC, layering_mode > 0 ? 1: 0)) {
         die_codec(&codec, "Failed to set SVC");
@@ -712,6 +712,8 @@ int main(int argc, char **argv) {
                         layer_id.temporal_layer_id);
     }
     flags = layer_flags[frame_cnt % flag_periodicity];
+    if (layering_mode == 0)
+      flags = 0;
     frame_avail = vpx_img_read(&raw, infile);
     if (frame_avail)
       ++rc.layer_input_frames[layer_id.temporal_layer_id];