gst-libs/gst/video/video.h

   1 /* GStreamer
   2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
   3  * Library       <2002> Ronald Bultje <rbultje@ronald.bitfreak.net>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef __GST_VIDEO_H__
  22 #define __GST_VIDEO_H__
  23
  24 #include <gst/gst.h>
  25
  26 G_BEGIN_DECLS
  27
  28 #define GST_VIDEO_BYTE1_MASK_32  "0xFF000000"
  29 #define GST_VIDEO_BYTE2_MASK_32  "0x00FF0000"
  30 #define GST_VIDEO_BYTE3_MASK_32  "0x0000FF00"
  31 #define GST_VIDEO_BYTE4_MASK_32  "0x000000FF"
  32
  33 #define GST_VIDEO_BYTE1_MASK_24  "0x00FF0000"
  34 #define GST_VIDEO_BYTE2_MASK_24  "0x0000FF00"
  35 #define GST_VIDEO_BYTE3_MASK_24  "0x000000FF"
  36
  37 #define GST_VIDEO_BYTE1_MASK_32_INT  0xFF000000
  38 #define GST_VIDEO_BYTE2_MASK_32_INT  0x00FF0000
  39 #define GST_VIDEO_BYTE3_MASK_32_INT  0x0000FF00
  40 #define GST_VIDEO_BYTE4_MASK_32_INT  0x000000FF
  41
  42 #define GST_VIDEO_BYTE1_MASK_24_INT  0x00FF0000
  43 #define GST_VIDEO_BYTE2_MASK_24_INT  0x0000FF00
  44 #define GST_VIDEO_BYTE3_MASK_24_INT  0x000000FF
  45
  46 #define GST_VIDEO_RED_MASK_16 "0xf800"
  47 #define GST_VIDEO_GREEN_MASK_16 "0x07e0"
  48 #define GST_VIDEO_BLUE_MASK_16 "0x001f"
  49
  50 #define GST_VIDEO_RED_MASK_15 "0x7c00"
  51 #define GST_VIDEO_GREEN_MASK_15 "0x03e0"
  52 #define GST_VIDEO_BLUE_MASK_15 "0x001f"
  53
  54 #define GST_VIDEO_RED_MASK_16_INT 0xf800
  55 #define GST_VIDEO_GREEN_MASK_16_INT 0x07e0
  56 #define GST_VIDEO_BLUE_MASK_16_INT 0x001f
  57
  58 #define GST_VIDEO_RED_MASK_15_INT 0x7c00
  59 #define GST_VIDEO_GREEN_MASK_15_INT 0x03e0
  60 #define GST_VIDEO_BLUE_MASK_15_INT 0x001f
  61
  62 #define GST_VIDEO_SIZE_RANGE "(int) [ 1, max ]"
  63 #define GST_VIDEO_FPS_RANGE "(fraction) [ 0, max ]"
  64
  65 /* consider the next 2 protected */
  66 #define __GST_VIDEO_CAPS_MAKE_32A(R, G, B, A)                           \
  67     "video/x-raw-rgb, "                                                 \
  68     "bpp = (int) 32, "                                                  \
  69     "depth = (int) 32, "                                                \
  70     "endianness = (int) BIG_ENDIAN, "                                   \
  71     "red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", "            \
  72     "green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", "          \
  73     "blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", "           \
  74     "alpha_mask = (int) " GST_VIDEO_BYTE ## A ## _MASK_32 ", "          \
  75     "width = " GST_VIDEO_SIZE_RANGE ", "                                \
  76     "height = " GST_VIDEO_SIZE_RANGE ", "                               \
  77     "framerate = " GST_VIDEO_FPS_RANGE
  78
  79 #define __GST_VIDEO_CAPS_MAKE_32(R, G, B)                               \
  80     "video/x-raw-rgb, "                                                 \
  81     "bpp = (int) 32, "                                                  \
  82     "depth = (int) 24, "                                                \
  83     "endianness = (int) BIG_ENDIAN, "                                   \
  84     "red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", "            \
  85     "green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", "          \
  86     "blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", "           \
  87     "width = " GST_VIDEO_SIZE_RANGE ", "                                \
  88     "height = " GST_VIDEO_SIZE_RANGE ", "                               \
  89     "framerate = " GST_VIDEO_FPS_RANGE
  90
  91 #define __GST_VIDEO_CAPS_MAKE_24(R, G, B)                               \
  92     "video/x-raw-rgb, "                                                 \
  93     "bpp = (int) 24, "                                                  \
  94     "depth = (int) 24, "                                                \
  95     "endianness = (int) BIG_ENDIAN, "                                   \
  96     "red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_24 ", "            \
  97     "green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_24 ", "          \
  98     "blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_24 ", "           \
  99     "width = " GST_VIDEO_SIZE_RANGE ", "                                \
 100     "height = " GST_VIDEO_SIZE_RANGE ", "                               \
 101     "framerate = " GST_VIDEO_FPS_RANGE
 102
 103
 104 /* 24 bit */
 105
 106 #define GST_VIDEO_CAPS_RGB \
 107     __GST_VIDEO_CAPS_MAKE_24 (1, 2, 3)
 108
 109 #define GST_VIDEO_CAPS_BGR \
 110     __GST_VIDEO_CAPS_MAKE_24 (3, 2, 1)
 111
 112 /* 32 bit */
 113
 114 #define GST_VIDEO_CAPS_RGBx \
 115     __GST_VIDEO_CAPS_MAKE_32 (1, 2, 3)
 116
 117 #define GST_VIDEO_CAPS_xRGB \
 118     __GST_VIDEO_CAPS_MAKE_32 (2, 3, 4)
 119
 120 #define GST_VIDEO_CAPS_BGRx \
 121     __GST_VIDEO_CAPS_MAKE_32 (3, 2, 1)
 122
 123 #define GST_VIDEO_CAPS_xBGR \
 124     __GST_VIDEO_CAPS_MAKE_32 (4, 3, 2)
 125
 126 /* 32 bit alpha */
 127
 128 #define GST_VIDEO_CAPS_RGBA \
 129     __GST_VIDEO_CAPS_MAKE_32A (1, 2, 3, 4)
 130
 131 #define GST_VIDEO_CAPS_ARGB \
 132     __GST_VIDEO_CAPS_MAKE_32A (2, 3, 4, 1)
 133
 134 #define GST_VIDEO_CAPS_BGRA \
 135     __GST_VIDEO_CAPS_MAKE_32A (3, 2, 1, 4)
 136
 137 #define GST_VIDEO_CAPS_ABGR \
 138     __GST_VIDEO_CAPS_MAKE_32A (4, 3, 2, 1)
 139
 140 /* note: the macro name uses the order on BE systems */
 141 #if G_BYTE_ORDER == G_BIG_ENDIAN
 142   #define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
 143       GST_VIDEO_CAPS_xRGB
 144   #define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
 145       GST_VIDEO_CAPS_BGRx
 146 #else
 147   #define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
 148       GST_VIDEO_CAPS_BGRx
 149   #define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
 150       GST_VIDEO_CAPS_xRGB
 151 #endif
 152
 153 /* 15/16 bit */
 154
 155 #define GST_VIDEO_CAPS_RGB_16                                           \
 156             "video/x-raw-rgb, "                                         \
 157             "bpp = (int) 16, "                                          \
 158             "depth = (int) 16, "                                        \
 159             "endianness = (int) BYTE_ORDER, "                           \
 160             "red_mask = (int) " GST_VIDEO_RED_MASK_16 ", "              \
 161             "green_mask = (int) " GST_VIDEO_GREEN_MASK_16 ", "          \
 162             "blue_mask = (int) " GST_VIDEO_BLUE_MASK_16 ", "            \
 163             "width = " GST_VIDEO_SIZE_RANGE ", "                        \
 164             "height = " GST_VIDEO_SIZE_RANGE ", "                       \
 165             "framerate = " GST_VIDEO_FPS_RANGE
 166
 167 #define GST_VIDEO_CAPS_RGB_15                                           \
 168             "video/x-raw-rgb, "                                         \
 169             "bpp = (int) 16, "                                          \
 170             "depth = (int) 15, "                                        \
 171             "endianness = (int) BYTE_ORDER, "                           \
 172             "red_mask = (int) " GST_VIDEO_RED_MASK_15 ", "              \
 173             "green_mask = (int) " GST_VIDEO_GREEN_MASK_15 ", "          \
 174             "blue_mask = (int) " GST_VIDEO_BLUE_MASK_15 ", "            \
 175             "width = " GST_VIDEO_SIZE_RANGE ", "                        \
 176             "height = " GST_VIDEO_SIZE_RANGE ", "                       \
 177             "framerate = " GST_VIDEO_FPS_RANGE
 178
 179 #define GST_VIDEO_CAPS_YUV(fourcc)                                      \
 180         "video/x-raw-yuv, "                                             \
 181         "format = (fourcc) " fourcc ", "                                \
 182         "width = " GST_VIDEO_SIZE_RANGE ", "                            \
 183         "height = " GST_VIDEO_SIZE_RANGE ", "                           \
 184         "framerate = " GST_VIDEO_FPS_RANGE
 185
 186 /* functions */
 187 const GValue *gst_video_frame_rate (GstPad *pad);
 188 gboolean gst_video_get_size   (GstPad *pad,
 189                                gint   *width,
 190                                gint   *height);
 191
 192 G_END_DECLS
 193
 194 #endif /* __GST_VIDEO_H__ */