[FFmpeg-devel,5/9] avcodec/gdv: Simplify first inner loop in rescale()

Submitted by Michael Niedermayer on Aug. 5, 2018, 8:29 p.m.

Details

Message ID 20180805202937.7563-5-michael@niedermayer.cc
State Accepted
Commit d021729efc1fe3480326c29f7dbb8d0e56ea4c71
Headers show

Commit Message

Michael Niedermayer Aug. 5, 2018, 8:29 p.m.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/gdv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

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diff --git a/libavcodec/gdv.c b/libavcodec/gdv.c
index 1efc64b1dc..595d8ff4e4 100644
--- a/libavcodec/gdv.c
+++ b/libavcodec/gdv.c
@@ -85,8 +85,7 @@  static void rescale(GDVContext *gdv, uint8_t *dst, int w, int h, int scale_v, in
             int y = h - j - 1;
             uint8_t *dst1 = dst + PREAMBLE_SIZE + y * w;
             uint8_t *src1 = dst + PREAMBLE_SIZE + (y>>!!gdv->scale_h) * (w>>1);
-            for (i = 0; i < w; i++) {
-                int x = w - i - 1;
+            for (x = w - 1; x >= 0; x--) {
                 dst1[x] = src1[(x>>1)];
             }
         }