/*****************************************************************************
* vout_pictures.h : picture management definitions
*****************************************************************************
- * Copyright (C) 2002 VideoLAN
- * $Id: vout_pictures.h,v 1.1 2002/07/23 00:39:17 sam Exp $
+ * Copyright (C) 2002-2004 the VideoLAN team
+ * $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
*
* 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.
*****************************************************************************/
/*****************************************************************************
* Fourcc definitions that we can handle internally
*****************************************************************************/
-/* Packed RGB for 8bpp */
-#define FOURCC_BI_RGB VLC_FOURCC( 0 , 0 , 0 , 0 )
-#define FOURCC_RGB2 VLC_FOURCC('R','G','B','2')
-
-/* Packed RGB for 16, 24, 32bpp */
-#define FOURCC_BI_BITFIELDS VLC_FOURCC( 0 , 0 , 0 , 3 )
-
-/* Packed RGB 15bpp, 0x1f, 0x7e0, 0xf800 */
-#define FOURCC_RV15 VLC_FOURCC('R','V','1','5')
-
-/* Packed RGB 16bpp, 0x1f, 0x3e0, 0x7c00 */
-#define FOURCC_RV16 VLC_FOURCC('R','V','1','6')
-
-/* Packed RGB 24bpp, 0xff, 0xff00, 0xff0000 */
-#define FOURCC_RV24 VLC_FOURCC('R','V','2','4')
-
-/* Packed RGB 32bpp, 0xff, 0xff00, 0xff0000 */
-#define FOURCC_RV32 VLC_FOURCC('R','V','3','2')
-
-/* 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')
-
-/* Planar YUV 4:2:0, Y:V:U */
-#define FOURCC_YV12 VLC_FOURCC('Y','V','1','2')
-
-/* Packed YUV 4:2:2, U:Y:V:Y, interlaced */
-#define FOURCC_IUYV VLC_FOURCC('I','U','Y','V')
-
-/* Packed YUV 4:2:2, U:Y:V:Y */
-#define FOURCC_UYVY VLC_FOURCC('U','Y','V','Y')
-#define FOURCC_UYNV VLC_FOURCC('U','Y','N','V')
-#define FOURCC_Y422 VLC_FOURCC('Y','4','2','2')
-
-/* Packed YUV 4:2:2, U:Y:V:Y, reverted */
-#define FOURCC_cyuv VLC_FOURCC('c','y','u','v')
-
-/* Packed YUV 4:2:2, Y:U:Y:V */
-#define FOURCC_YUY2 VLC_FOURCC('Y','U','Y','2')
-#define FOURCC_YUNV VLC_FOURCC('Y','U','N','V')
-
-/* Packed YUV 4:2:2, Y:V:Y:U */
-#define FOURCC_YVYU VLC_FOURCC('Y','V','Y','U')
-
-/* Packed YUV 2:1:1, Y:U:Y:V */
-#define FOURCC_Y211 VLC_FOURCC('Y','2','1','1')
-
-/* Planar YUV 4:1:0, Y:U:V */
-#define FOURCC_I410 VLC_FOURCC('I','4','1','0')
-
-/* Planar Y, packed UV, from Matrox */
-#define FOURCC_YMGA VLC_FOURCC('Y','M','G','A')
-
-/* Planar 4:2:2, Y:U:V */
-#define FOURCC_I422 VLC_FOURCC('I','4','2','2')
-
-/* Planar 4:4:4, Y:U:V */
-#define FOURCC_I444 VLC_FOURCC('I','4','4','4')
+/* 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
+}