[libav-stable] ivi_common: do not call MC for intra frames when dc_transform is unset

Anton Khirnov git at libav.org
Fri Mar 8 08:15:13 CET 2013


Module: libav
Branch: master
Commit: 3ba40ebb6cc58753dc3746c718203bb31760deba

Author:    Anton Khirnov <anton at khirnov.net>
Committer: Anton Khirnov <anton at khirnov.net>
Date:      Wed Mar  6 09:41:44 2013 +0100

ivi_common: do not call MC for intra frames when dc_transform is unset

CC:libav-stable at libav.org

---

 libavcodec/ivi_common.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c
index 3d7cd13..f068e45 100644
--- a/libavcodec/ivi_common.c
+++ b/libavcodec/ivi_common.c
@@ -527,9 +527,10 @@ static int ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile
                 /* block not coded */
                 /* for intra blocks apply the dc slant transform */
                 /* for inter - perform the motion compensation without delta */
-                if (is_intra && band->dc_transform) {
-                    band->dc_transform(&prev_dc, band->buf + buf_offs,
-                                       band->pitch, blk_size);
+                if (is_intra) {
+                    if (band->dc_transform)
+                        band->dc_transform(&prev_dc, band->buf + buf_offs,
+                                           band->pitch, blk_size);
                 } else
                     mc_no_delta_func(band->buf + buf_offs,
                                      band->ref_buf + buf_offs + mv_y * band->pitch + mv_x,



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