diff options
Diffstat (limited to 'libhb/decomb.c')
| -rw-r--r-- | libhb/decomb.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/libhb/decomb.c b/libhb/decomb.c index 4f969194d..e931db020 100644 --- a/libhb/decomb.c +++ b/libhb/decomb.c @@ -1658,15 +1658,24 @@ static void yadif_filter_line( spatial_pred = (c+e)>>1; } - // YADIF_CHECK touches pixels -3 and +3 around the current x pos - // when MODE_CUBIC is enabled - if( x >= 3 && x <= width - 4 ) + // YADIF_CHECK requires a margin to avoid invalid memory access. + // In MODE_CUBIC, margin needed is 2 + ABS(param). + // Else, the margin needed is 1 + ABS(param). + int margin = 2; + if (pv->mode & MODE_CUBIC) + margin = 3; + + if (x >= margin && x <= width - (margin + 1)) { - YADIF_CHECK(-1) YADIF_CHECK(-2) }} }} + YADIF_CHECK(-1) + if (x >= margin + 1 && x <= width - (margin + 2)) + YADIF_CHECK(-2) }} }} } - if( x >= 3 && x <= width - 4 ) + if (x >= margin && x <= width - (margin + 1)) { - YADIF_CHECK(1) YADIF_CHECK(2) }} }} + YADIF_CHECK(1) + if (x >= margin + 1 && x <= width - (margin + 2)) + YADIF_CHECK(2) }} }} } } |