Use config_GetUserDataDir() internally

[vlc] / src / video_output / vout_pictures.h

diff --git a/src/video_output/vout_pictures.h b/src/video_output/vout_pictures.h
index 511fa5665d619c4e047ccc917fb9395623922e48..518e6c5cf1fd505508dabff412b26fc656b6311a 100644 (file)
--- a/src/video_output/vout_pictures.h
+++ b/src/video_output/vout_pictures.h
@@ -102,3 +102,34 @@
 
 /* Planar 8-bit grayscale */
 #define FOURCC_GREY         VLC_FOURCC('G','R','E','Y')
+
+/* Alignment of critical dynamic data structure
+ *
+ * Not all platforms support memalign so we provide a vlc_memalign wrapper
+ * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
+ * *pp_orig is the pointer that has to be freed afterwards.
+ */
+static inline
+void *vlc_memalign (void **pp, size_t align, size_t size)
+{
+#if defined (HAVE_POSIX_MEMALIGN)
+    return posix_memalign (pp, align, size) ? NULL : *pp;
+#elif defined (HAVE_MEMALIGN)
+    return *pp = memalign (align, size);
+#else
+    unsigned char *ptr;
+
+    if (align < 1)
+        return NULL;
+
+    align--;
+    ptr = malloc (size + align);
+    if (ptr == NULL)
+        return NULL;
+
+    *pp = ptr;
+    ptr += align;
+    return (void *)(((uintptr_t)ptr) & ~align);
+#endif
+}
+