ref: 1dfc717ba88ae9ac9aebfde27cd2142d2795ed55
parent: 4ad96115cde5d18aaa274909f46742e3ceede034
parent: a5657f2cd61e48fc3db11b9fe3f175896df3ffd6
author: John Koleszar <jkoleszar@google.com>
date: Fri Jun 14 04:49:58 EDT 2013
Merge "Avoid inverse transform/recon without residual"
--- a/vp9/decoder/vp9_decodframe.c
+++ b/vp9/decoder/vp9_decodframe.c
@@ -270,6 +270,10 @@
vp9_predict_intra_block(xd, tx_ib, plane_b_size, tx_size,
b_mode, dst, xd->plane[plane].dst.stride);
+ // Early exit if there are no coefficients
+ if (xd->mode_info_context->mbmi.mb_skip_coeff)
+ return;
+
switch (ss_txfrm_size / 2) {
case TX_4X4:
tx_type = plane == 0 ? get_tx_type_4x4(xd, raster_block) : DCT_DCT;
@@ -318,8 +322,9 @@
if (!vp9_reader_has_error(r)) {
vp9_decode_tokens(pbi, xd, r, bsize);
}
+
+ foreach_transformed_block(xd, bsize, decode_block, xd);
}
- foreach_transformed_block(xd, bsize, decode_block, xd);
}
static void decode_sb_intra(VP9D_COMP *pbi, MACROBLOCKD *xd,
--
⑨