X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fvideo_output%2Fvout_pictures.h;h=518e6c5cf1fd505508dabff412b26fc656b6311a;hb=146dad54bff773b990752e44b92aa35f87cbc678;hp=a636aad4d8b8031403f19fc06e9d44d6911709aa;hpb=fe087a38282e93addb25fa9598393e40ea233b09;p=vlc

diff --git a/src/video_output/vout_pictures.h b/src/video_output/vout_pictures.h
index a636aad4d8..518e6c5cf1 100644
--- a/src/video_output/vout_pictures.h
+++ b/src/video_output/vout_pictures.h
@@ -18,7 +18,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
 /*****************************************************************************
@@ -44,6 +44,9 @@
 /* Packed RGB 32bpp, usually 0x00ff0000, 0x0000ff00, 0x000000ff */
 #define FOURCC_RV32         VLC_FOURCC('R','V','3','2')
 
+/* Packed RGBA 32bpp, like RV32 with 0xff000000 used for alpha */
+#define FOURCC_RGBA         VLC_FOURCC('R','G','B','A')
+
 /* Planar YUV 4:2:0, Y:U:V */
 #define FOURCC_I420         VLC_FOURCC('I','4','2','0')
 #define FOURCC_IYUV         VLC_FOURCC('I','Y','U','V')
@@ -96,3 +99,37 @@
 
 /* Palettized YUV with palette element Y:U:V:A */
 #define FOURCC_YUVP         VLC_FOURCC('Y','U','V','P')
+
+/* 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
+}
+