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authorAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2025-03-22 07:31:30 +0100
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2025-03-26 04:16:11 +0100
commit46c5466dd8e987888077b83abcfbb60a6abc43e7 (patch)
tree3d9c44f6833e92c4ffbb6a848db3768707e9264c
parentb96ba444329816f810eb6f1b8d5afac7e49cf9ff (diff)
downloadffmpeg-46c5466dd8e987888077b83abcfbb60a6abc43e7.tar.gz
avcodec/ppc/mpegvideo_altivec: Don't process unnecessarily many coeffs
Use the same number as the C version. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
-rw-r--r--libavcodec/ppc/mpegvideo_altivec.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/ppc/mpegvideo_altivec.c b/libavcodec/ppc/mpegvideo_altivec.c
index 23b7701fd6..7e3db6f76a 100644
--- a/libavcodec/ppc/mpegvideo_altivec.c
+++ b/libavcodec/ppc/mpegvideo_altivec.c
@@ -57,7 +57,10 @@ static void dct_unquantize_h263_altivec(MpegEncContext *s,
}else
qadd = 0;
i = 1;
- nCoeffs= 63; //does not always use zigzag table
+ if (s->ac_pred)
+ nCoeffs = 63;
+ else
+ nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]];
} else {
i = 0;
av_assert2(s->block_last_index[n]>=0);