ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Jun 27 21:47:35 2017 +0200| [850c6db97d1f78e7607952ab8b854a93a185319e] | committer: Michael Niedermayer
avcodec/utvideodec: Factor multiply out of inner loop 0.5% faster loop Reviewed-by: Paul B Mahol <one...@gmail.com> Reviewed-by: Steven Liu <lingjiujia...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=850c6db97d1f78e7607952ab8b854a93a185319e --- libavcodec/utvideodec.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c index 22da8cda1c..40c12772b3 100644 --- a/libavcodec/utvideodec.c +++ b/libavcodec/utvideodec.c @@ -195,7 +195,8 @@ static int decode_plane10(UtvideoContext *c, int plane_no, prev = 0x200; for (j = sstart; j < send; j++) { - for (i = 0; i < width * step; i += step) { + int ws = width * step; + for (i = 0; i < ws; i += step) { pix = get_vlc2(&gb, vlc.table, VLC_BITS, 3); if (pix < 0) { av_log(c->avctx, AV_LOG_ERROR, "Decoding error\n"); @@ -299,7 +300,8 @@ static int decode_plane(UtvideoContext *c, int plane_no, prev = 0x80; for (j = sstart; j < send; j++) { - for (i = 0; i < width * step; i += step) { + int ws = width * step; + for (i = 0; i < ws; i += step) { pix = get_vlc2(&gb, vlc.table, VLC_BITS, 3); if (pix < 0) { av_log(c->avctx, AV_LOG_ERROR, "Decoding error\n"); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
