shithub: libvpx

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vp9-svc: Bugfix on usage of svc_force_zeromv in non-rd pickmode.

Only affects 1 pass cbr svc mode.

Change-Id: Ifc0948b4aabffa64a9701295d8dbc58a7208a30f

--- a/vp9/encoder/vp9_pickmode.c

+++ b/vp9/encoder/vp9_pickmode.c

@@ -1689,12 +1689,15 @@

   xd->mi[0]->bmi[0].as_mv[0].as_int = mi->mv[0].as_int;

   x->skip_txfm[0] = best_mode_skip_txfm;

-  // Perform intra prediction only if base layer is chosen as the reference.

+  // For spatial enhancemanent layer: perform intra prediction only if base

+  // layer is chosen as the reference. Always perform intra prediction if

+  // LAST is the only reference or is_key_frame is set.

   if (cpi->svc.spatial_layer_id) {

     perform_intra_pred =

         cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame ||

+        !(cpi->ref_frame_flags & flag_list[GOLDEN_FRAME])  ||

         (!cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame

-            && svc_force_zero_mode[best_ref_frame]);

+            && svc_force_zero_mode[best_ref_frame - 1]);

     inter_mode_thresh = (inter_mode_thresh << 1) + inter_mode_thresh;

   }

   // Perform intra prediction search, if the best SAD is above a certain