[ext_tile] Fix reference frame buffer
BUG=aomedia:2311
Change-Id: I5e9a5d07c44a5554e08a6704ea29283afb56de49
diff --git a/av1/decoder/obu.c b/av1/decoder/obu.c
index 40171cf..64a1d90 100644
--- a/av1/decoder/obu.c
+++ b/av1/decoder/obu.c
@@ -510,7 +510,8 @@
cm->error.error_code = AOM_CODEC_CORRUPT_FRAME;
return 0;
}
- av1_set_reference_dec(cm, 0, 1, &pbi->ext_refs.refs[ref_idx]);
+ av1_set_reference_dec(cm, cm->remapped_ref_idx[0], 1,
+ &pbi->ext_refs.refs[ref_idx]);
pbi->dec_tile_row = aom_rb_read_literal(rb, 8);
pbi->dec_tile_col = aom_rb_read_literal(rb, 8);