shithub: libvpx

Info  •  Files  •  Log  •  Branches

Use the estimate qp to set motion search control

Set the multiplier for motion estimation using the estimate frame
quantization paramter in the temporal dependency model.

Change-Id: Ia9a843111c1504d7ae8b12113374831ee79c85b8

--- a/vp9/encoder/vp9_encoder.c

+++ b/vp9/encoder/vp9_encoder.c

@@ -5504,6 +5504,7 @@

   int alt_index = -1;

   int lst_index = -1;

   int extend_frame_count = 0;

+  int pframe_qindex = cpi->tpl_stats[2].base_qindex;

   *tpl_group_frames = 0;

@@ -5550,6 +5551,8 @@

     if (buf == NULL) break;

+    cpi->tpl_stats[frame_idx].base_qindex = pframe_qindex;

+

     gf_picture[frame_idx].frame = &buf->img;

     gf_picture[frame_idx].ref_frame[0] = gld_index;

     gf_picture[frame_idx].ref_frame[1] = lst_index;

@@ -5767,12 +5770,14 @@

   xd->mi[0] = cm->mi;

   // Get rd multiplier set up.

-  rdmult = (int)vp9_compute_rd_mult_based_on_qindex(cpi, ARNR_FILT_QINDEX);

+  rdmult =

+      (int)vp9_compute_rd_mult_based_on_qindex(cpi, tpl_frame->base_qindex);

   if (rdmult < 1) rdmult = 1;

   set_error_per_bit(&cpi->td.mb, rdmult);

-  vp9_initialize_me_consts(cpi, &cpi->td.mb, ARNR_FILT_QINDEX);

+  vp9_initialize_me_consts(cpi, &cpi->td.mb, tpl_frame->base_qindex);

   tpl_frame->is_valid = 1;

+

   for (mi_row = 0; mi_row < cm->mi_rows; mi_row += mi_height) {

     // Motion estimation row boundary

     x->mv_limits.row_min = -((mi_row * MI_SIZE) + (17 - 2 * VP9_INTERP_EXTEND));