shithub: libvpx

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ref: 0f20c839d7f5c6944ce5eac5a391aa441991cd82
parent: 7e5f5e26ba508ef85a9dd0837031e28cc9b9e6c2
author: Johann <johannkoenig@google.com>
date: Tue Oct 29 08:05:27 EDT 2013 

decodframe.c: use vpx_memset instead of cast

Fix warning with -Wstrict-aliasing=1

Change-Id: Ic4e511af924247800e87d5f990636565f3dd91d2


--- a/vp8/decoder/decodframe.c
+++ b/vp8/decoder/decodframe.c
@@ -211,7 +211,7 @@
                             (b->qcoeff[0] * DQC[0],
                                 dst, dst_stride,
                                 dst, dst_stride);
-                        ((int *)b->qcoeff)[0] = 0;
+                        vpx_memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0]));
                     }
                 }
             }
@@ -248,14 +248,7 @@
 
                     vp8_short_inv_walsh4x4(&b->dqcoeff[0],
                         xd->qcoeff);
-                    ((int *)b->qcoeff)[0] = 0;
-                    ((int *)b->qcoeff)[1] = 0;
-                    ((int *)b->qcoeff)[2] = 0;
-                    ((int *)b->qcoeff)[3] = 0;
-                    ((int *)b->qcoeff)[4] = 0;
-                    ((int *)b->qcoeff)[5] = 0;
-                    ((int *)b->qcoeff)[6] = 0;
-                    ((int *)b->qcoeff)[7] = 0;
+                    vpx_memset(b->qcoeff, 0, 16 * sizeof(b->qcoeff[0]));
                 }
                 else
                 {
@@ -262,7 +255,7 @@
                     b->dqcoeff[0] = b->qcoeff[0] * xd->dequant_y2[0];
                     vp8_short_inv_walsh4x4_1(&b->dqcoeff[0],
                         xd->qcoeff);
-                    ((int *)b->qcoeff)[0] = 0;
+                    vpx_memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0]));
                 }
 
                 /* override the dc dequant constant in order to preserve the