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| author | Marco <marpan@google.com> | 2018-01-31 13:33:27 -0800 |
|---|---|---|
| committer | Marco <marpan@google.com> | 2018-01-31 13:49:16 -0800 |
| commit | 2c950e131cc180c8d8babbc89f24fc29eb542273 (patch) | |
| tree | 390e7f4e02706e8d244b915fea118986a3e87441 /vp9/encoder/vp9_svc_layercontext.c | |
| parent | efa786d4649cb39919170d745d4206309b463575 (diff) | |
| download | libvpx-2c950e131cc180c8d8babbc89f24fc29eb542273.tar libvpx-2c950e131cc180c8d8babbc89f24fc29eb542273.tar.gz libvpx-2c950e131cc180c8d8babbc89f24fc29eb542273.tar.bz2 libvpx-2c950e131cc180c8d8babbc89f24fc29eb542273.zip | |
vp9-svc: Fix to initialize downsampling filters.
For 3 spatial layers with 1/2 downsampling, the
downsampling filter for the middle layer was not
set for the very first frame, so it was defaulting
to the subsample filter (no averaging/phase = 0).
Its not set due to the two stage scaling that is
done for 1/4 on base layer, during which the intermediate
1/2 result is saved for the middle layer.
Fix for now is to set the default downsampling filter
to Bilinear (averaging/non-zero phase) for all layers on
init (vp9_init_layer_context):.
Change-Id: Ic7407810b34c621e7e7420682508d45478bdffcf
Diffstat (limited to 'vp9/encoder/vp9_svc_layercontext.c')
| -rw-r--r-- | vp9/encoder/vp9_svc_layercontext.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/vp9/encoder/vp9_svc_layercontext.c b/vp9/encoder/vp9_svc_layercontext.c index 54789ee70..389d48f21 100644 --- a/vp9/encoder/vp9_svc_layercontext.c +++ b/vp9/encoder/vp9_svc_layercontext.c @@ -45,8 +45,8 @@ void vp9_init_layer_context(VP9_COMP *const cpi) { svc->ext_lst_fb_idx[sl] = 0; svc->ext_gld_fb_idx[sl] = 1; svc->ext_alt_fb_idx[sl] = 2; - svc->downsample_filter_type[sl] = EIGHTTAP; - svc->downsample_filter_phase[sl] = 0; // Set to 8 for averaging filter. + svc->downsample_filter_type[sl] = BILINEAR; + svc->downsample_filter_phase[sl] = 8; // Set to 8 for averaging filter. } if (cpi->oxcf.error_resilient_mode == 0 && cpi->oxcf.pass == 2) { |