shithub: libvpx

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Remove dependency of intra mode search skip check on mode order

This commit refactors the vp9_rd_pick_inter_mode_sb function to
remove the intra mode early termination dependency on the mode
search order.

Change-Id: If6ac49aa7c530c7b9a5bd31b0ab84db83e192bec

--- a/vp9/encoder/vp9_rdopt.c

+++ b/vp9/encoder/vp9_rdopt.c

@@ -2674,14 +2674,6 @@

     }

   }

-  if (bsize > cpi->sf.max_intra_bsize) {

-    const int all_intra_modes = (1 << THR_DC) | (1 << THR_TM) |

-        (1 << THR_H_PRED) | (1 << THR_V_PRED) | (1 << THR_D135_PRED) |

-        (1 << THR_D207_PRED) | (1 << THR_D153_PRED) | (1 << THR_D63_PRED) |

-        (1 << THR_D117_PRED) | (1 << THR_D45_PRED);

-    mode_skip_mask |= all_intra_modes;

-  }

-

   for (mode_index = 0; mode_index < MAX_MODES; ++mode_index) {

     int mode_excluded = 0;

     int64_t this_rd = INT64_MAX;

@@ -2729,6 +2721,10 @@

       if (!(ref_frame == ALTREF_FRAME && second_ref_frame == NONE))

         continue;

     }

+

+    if (bsize > cpi->sf.max_intra_bsize)

+      if (ref_frame == INTRA_FRAME)

+        continue;

     if (mode_skip_mask & (1 << mode_index))

       continue;