[FFmpeg-cvslog] swscale/swscale: replace potentially slow % by &

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Jun 18 04:24:31 2014 +0200| [7f5296005c392d72f574b66324c1db8d1a7a6484] | committer: Michael Niedermayer

swscale/swscale: replace potentially slow % by &

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7f5296005c392d72f574b66324c1db8d1a7a6484
---

 libswscale/swscale.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 56fa1ee..9919d41 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -414,8 +414,8 @@ static int swscale(SwsContext *c, const uint8_t *src[],
     DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n",
                   vLumFilterSize, vLumBufSize, vChrFilterSize, vChrBufSize);
 
-    if (dstStride[0]%16 !=0 || dstStride[1]%16 !=0 ||
-        dstStride[2]%16 !=0 || dstStride[3]%16 != 0) {
+    if (dstStride[0]&15 || dstStride[1]&15 ||
+        dstStride[2]&15 || dstStride[3]&15) {
         static int warnedAlready = 0; // FIXME maybe move this into the context
         if (flags & SWS_PRINT_INFO && !warnedAlready) {
             av_log(c, AV_LOG_WARNING,
@@ -425,10 +425,10 @@ static int swscale(SwsContext *c, const uint8_t *src[],
         }
     }
 
-    if (   (uintptr_t)dst[0]%16 || (uintptr_t)dst[1]%16 || (uintptr_t)dst[2]%16
-        || (uintptr_t)src[0]%16 || (uintptr_t)src[1]%16 || (uintptr_t)src[2]%16
-        || dstStride[0]%16 || dstStride[1]%16 || dstStride[2]%16 || dstStride[3]%16
-        || srcStride[0]%16 || srcStride[1]%16 || srcStride[2]%16 || srcStride[3]%16
+    if (   (uintptr_t)dst[0]&15 || (uintptr_t)dst[1]&15 || (uintptr_t)dst[2]&15
+        || (uintptr_t)src[0]&15 || (uintptr_t)src[1]&15 || (uintptr_t)src[2]&15
+        || dstStride[0]&15 || dstStride[1]&15 || dstStride[2]&15 || dstStride[3]&15
+        || srcStride[0]&15 || srcStride[1]&15 || srcStride[2]&15 || srcStride[3]&15
     ) {
         static int warnedAlready=0;
         int cpu_flags = av_get_cpu_flags();