1 /*****************************************************************************
2 * vout_pictures.h : picture management definitions
3 *****************************************************************************
4 * Copyright (C) 2002-2004 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
25 * Fourcc definitions that we can handle internally
26 *****************************************************************************/
28 /* Packed RGB for 8bpp */
29 #define FOURCC_BI_RGB 0x00000000
30 #define FOURCC_RGB2 VLC_FOURCC('R','G','B','2')
32 /* Packed RGB for 16, 24, 32bpp */
33 #define FOURCC_BI_BITFIELDS 0x00000003
35 /* Packed RGB 15bpp, usually 0x7c00, 0x03e0, 0x001f */
36 #define FOURCC_RV15 VLC_FOURCC('R','V','1','5')
38 /* Packed RGB 16bpp, usually 0xf800, 0x07e0, 0x001f */
39 #define FOURCC_RV16 VLC_FOURCC('R','V','1','6')
41 /* Packed RGB 24bpp, usually 0x00ff0000, 0x0000ff00, 0x000000ff */
42 #define FOURCC_RV24 VLC_FOURCC('R','V','2','4')
44 /* Packed RGB 32bpp, usually 0x00ff0000, 0x0000ff00, 0x000000ff */
45 #define FOURCC_RV32 VLC_FOURCC('R','V','3','2')
47 /* Packed RGBA 32bpp, like RV32 with 0xff000000 used for alpha */
48 #define FOURCC_RGBA VLC_FOURCC('R','G','B','A')
50 /* Planar YUV 4:2:0, Y:U:V */
51 #define FOURCC_I420 VLC_FOURCC('I','4','2','0')
52 #define FOURCC_IYUV VLC_FOURCC('I','Y','U','V')
53 #define FOURCC_J420 VLC_FOURCC('J','4','2','0')
55 /* Planar YUV 4:2:0, Y:V:U */
56 #define FOURCC_YV12 VLC_FOURCC('Y','V','1','2')
58 /* Packed YUV 4:2:2, U:Y:V:Y, interlaced */
59 #define FOURCC_IUYV VLC_FOURCC('I','U','Y','V')
61 /* Packed YUV 4:2:2, U:Y:V:Y */
62 #define FOURCC_UYVY VLC_FOURCC('U','Y','V','Y')
63 #define FOURCC_UYNV VLC_FOURCC('U','Y','N','V')
64 #define FOURCC_Y422 VLC_FOURCC('Y','4','2','2')
66 /* Packed YUV 4:2:2, U:Y:V:Y, reverted */
67 #define FOURCC_cyuv VLC_FOURCC('c','y','u','v')
69 /* Packed YUV 4:2:2, Y:U:Y:V */
70 #define FOURCC_YUY2 VLC_FOURCC('Y','U','Y','2')
71 #define FOURCC_YUNV VLC_FOURCC('Y','U','N','V')
73 /* Packed YUV 4:2:2, Y:V:Y:U */
74 #define FOURCC_YVYU VLC_FOURCC('Y','V','Y','U')
76 /* Packed YUV 2:1:1, Y:U:Y:V */
77 #define FOURCC_Y211 VLC_FOURCC('Y','2','1','1')
79 /* Planar YUV 4:1:1, Y:U:V */
80 #define FOURCC_I411 VLC_FOURCC('I','4','1','1')
82 /* Planar YUV 4:1:0, Y:U:V */
83 #define FOURCC_I410 VLC_FOURCC('I','4','1','0')
84 #define FOURCC_YVU9 VLC_FOURCC('Y','V','U','9')
86 /* Planar Y, packed UV, from Matrox */
87 #define FOURCC_YMGA VLC_FOURCC('Y','M','G','A')
89 /* Planar 4:2:2, Y:U:V */
90 #define FOURCC_I422 VLC_FOURCC('I','4','2','2')
91 #define FOURCC_J422 VLC_FOURCC('J','4','2','2')
93 /* Planar 4:4:4, Y:U:V */
94 #define FOURCC_I444 VLC_FOURCC('I','4','4','4')
95 #define FOURCC_J444 VLC_FOURCC('J','4','4','4')
97 /* Planar 4:4:4:4 Y:U:V:A */
98 #define FOURCC_YUVA VLC_FOURCC('Y','U','V','A')
100 /* Palettized YUV with palette element Y:U:V:A */
101 #define FOURCC_YUVP VLC_FOURCC('Y','U','V','P')
103 /* Planar 8-bit grayscale */
104 #define FOURCC_GREY VLC_FOURCC('G','R','E','Y')
106 /* Alignment of critical dynamic data structure
108 * Not all platforms support memalign so we provide a vlc_memalign wrapper
109 * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
110 * *pp_orig is the pointer that has to be freed afterwards.
113 void *vlc_memalign (void **pp, size_t align, size_t size)
115 #if defined (HAVE_POSIX_MEMALIGN)
116 return posix_memalign (pp, align, size) ? NULL : *pp;
117 #elif defined (HAVE_MEMALIGN)
118 return *pp = memalign (align, size);
126 ptr = malloc (size + align);
132 return (void *)(((uintptr_t)ptr) & ~align);