shithub: dav1d

Download patch

ref: d18bd0d7a090109af552db32e23a607b8b63e8b7
parent: 8a015fd0f546734f42e7ac8a1046bcef4a712964
author: Ronald S. Bultje <rsbultje@gmail.com>
date: Mon Sep 24 05:16:04 EDT 2018

Fix stride in ac buffer from 32 to width in padding.

Fixes mismatch in issue #14.

--- a/include/common/dump.h
+++ b/include/common/dump.h
@@ -72,4 +72,15 @@
     }
 }
 
+static inline void ac_dump(const int16_t *buf, int w, int h, const char *what)
+{
+    printf("%s\n", what);
+    while (h--) {
+        for (int x = 0; x < w; x++)
+            printf(" %03d", buf[x]);
+        buf += w;
+        printf("\n");
+    }
+}
+
 #endif /* __DAV1D_COMMON_DUMP_H__ */
--- a/src/ipred.c
+++ b/src/ipred.c
@@ -800,7 +800,7 @@
         ypx += PXSTRIDE(stride) << ss_ver;
     }
     for (; y < height; y++) {
-        memcpy(ac, &ac[-32], width * sizeof(*ac));
+        memcpy(ac, &ac[-width], width * sizeof(*ac));
         ac += width;
     }
 
--- a/src/recon.c
+++ b/src/recon.c
@@ -884,6 +884,7 @@
                                                       b->cfl_alpha,
                                                       cbh4 * 4);
                 if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) {
+                    ac_dump(ac, 4*cbw4, 4*cbh4, "ac");
                     hex_dump(uv_dst[0], stride, cbw4 * 4, cbh4 * 4, "u-cfl-pred");
                     hex_dump(uv_dst[1], stride, cbw4 * 4, cbh4 * 4, "v-cfl-pred");
                 }