From cd8e62746fedd1f593a9d441bd3a4ea137c919bb Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 11 Apr 2017 03:37:35 +0200 Subject: avcodec/tiff: Factor constant computation out of inner loop Signed-off-by: Michael Niedermayer --- libavcodec/tiff.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index 3aaf63338d..cb1a34e73a 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -1362,10 +1362,11 @@ static int decode_frame(AVCodecContext *avctx, } if (s->photometric == TIFF_PHOTOMETRIC_WHITE_IS_ZERO) { + int c = (s->avctx->pix_fmt == AV_PIX_FMT_PAL8 ? (1<bpp) - 1 : 255); dst = p->data[plane]; for (i = 0; i < s->height; i++) { for (j = 0; j < stride; j++) - dst[j] = (s->avctx->pix_fmt == AV_PIX_FMT_PAL8 ? (1<bpp) - 1 : 255) - dst[j]; + dst[j] = c - dst[j]; dst += stride; } } -- cgit v1.2.3