shithub: libvpx

Download patch

ref: b625feb3588e7e598fab2c0df1e28f2ea0a7b3e1
parent: 3271a7ed6c976fd6d25c144c19170bac9b57367b
parent: ad57c72b9f2e760c0e594d4711edbab39feb3b31
author: Urvang Joshi <urvang@chromium.org>
date: Fri Jan 4 18:03:57 EST 2019

Merge "VP9 firstpass: Bugfix when mi_col_start/end is odd"

--- a/vp9/encoder/vp9_firstpass.c
+++ b/vp9/encoder/vp9_firstpass.c
@@ -820,6 +820,8 @@
   VP9_COMMON *const cm = &cpi->common;
   MACROBLOCKD *const xd = &x->e_mbd;
   TileInfo tile = tile_data->tile_info;
+  const int mb_col_start = ROUND_POWER_OF_TWO(tile.mi_col_start, 1);
+  const int mb_col_end = ROUND_POWER_OF_TWO(tile.mi_col_end, 1);
   struct macroblock_plane *const p = x->plane;
   struct macroblockd_plane *const pd = xd->plane;
   const PICK_MODE_CONTEXT *ctx = &td->pc_root->none;
@@ -846,9 +848,8 @@
   assert(new_yv12 != NULL);
   assert(frame_is_intra_only(cm) || (lst_yv12 != NULL));
 
-  xd->mi = cm->mi_grid_visible + xd->mi_stride * (mb_row << 1) +
-           (tile.mi_col_start >> 1);
-  xd->mi[0] = cm->mi + xd->mi_stride * (mb_row << 1) + (tile.mi_col_start >> 1);
+  xd->mi = cm->mi_grid_visible + xd->mi_stride * (mb_row << 1) + mb_col_start;
+  xd->mi[0] = cm->mi + xd->mi_stride * (mb_row << 1) + mb_col_start;
 
   for (i = 0; i < MAX_MB_PLANE; ++i) {
     p[i].coeff = ctx->coeff_pbuf[i][1];
@@ -862,10 +863,9 @@
   uv_mb_height = 16 >> (new_yv12->y_height > new_yv12->uv_height);
 
   // Reset above block coeffs.
-  recon_yoffset =
-      (mb_row * recon_y_stride * 16) + (tile.mi_col_start >> 1) * 16;
-  recon_uvoffset = (mb_row * recon_uv_stride * uv_mb_height) +
-                   (tile.mi_col_start >> 1) * uv_mb_height;
+  recon_yoffset = (mb_row * recon_y_stride * 16) + mb_col_start * 16;
+  recon_uvoffset =
+      (mb_row * recon_uv_stride * uv_mb_height) + mb_col_start * uv_mb_height;
 
   // Set up limit values for motion vectors to prevent them extending
   // outside the UMV borders.
@@ -873,8 +873,7 @@
   x->mv_limits.row_max =
       ((cm->mb_rows - 1 - mb_row) * 16) + BORDER_MV_PIXELS_B16;
 
-  for (mb_col = tile.mi_col_start >> 1, c = 0; mb_col < (tile.mi_col_end >> 1);
-       ++mb_col, c++) {
+  for (mb_col = mb_col_start, c = 0; mb_col < mb_col_end; ++mb_col, c++) {
     int this_error;
     int this_intra_error;
     const int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
@@ -920,7 +919,7 @@
     x->skip_encode = 0;
     x->fp_src_pred = 0;
     // Do intra prediction based on source pixels for tile boundaries
-    if ((mb_col == (tile.mi_col_start >> 1)) && mb_col != 0) {
+    if (mb_col == mb_col_start && mb_col != 0) {
       xd->left_mi = &mi_left;
       x->fp_src_pred = 1;
     }
@@ -1310,7 +1309,7 @@
     recon_uvoffset += uv_mb_height;
 
     // Accumulate row level stats to the corresponding tile stats
-    if (cpi->row_mt && mb_col == (tile.mi_col_end >> 1) - 1)
+    if (cpi->row_mt && mb_col == mb_col_end - 1)
       accumulate_fp_mb_row_stat(tile_data, fp_acc_data);
 
     (*(cpi->row_mt_sync_write_ptr))(&tile_data->row_mt_sync, mb_row, c,