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v4l2-common.h

v4l2-common.h 2.4 KB
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  1. /*
    2. 

  2.  * include/linux/v4l2-common.h
    3. 

  3.  *
    4. 

  4.  * Common V4L2 and V4L2 subdev definitions.
    5. 

  5.  *
    6. 

  6.  * Users are advised to #include this file either through videodev2.h
    7. 

  7.  * (V4L2) or through v4l2-subdev.h (V4L2 subdev) rather than to refer
    8. 

  8.  * to this file directly.
    9. 

  9.  *
    10. 

  10.  * Copyright (C) 2012 Nokia Corporation
    11. 

  11.  * Contact: Sakari Ailus <sakari.ailus@iki.fi>
    12. 

  12.  *
    13. 

  13.  * This program is free software; you can redistribute it and/or
    14. 

  14.  * modify it under the terms of the GNU General Public License
    15. 

  15.  * version 2 as published by the Free Software Foundation.
    16. 

  16.  *
    17. 

  17.  * This program is distributed in the hope that it will be useful, but
    18. 

  18.  * WITHOUT ANY WARRANTY; without even the implied warranty of
    19. 

  19.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    20. 

  20.  * General Public License for more details.
    21. 

  21.  *
    22. 

  22.  * You should have received a copy of the GNU General Public License
    23. 

  23.  * along with this program; if not, write to the Free Software
    24. 

  24.  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
    25. 

  25.  * 02110-1301 USA
    26. 

  26.  *
    27. 

  27.  */
    28. 

  28. 

  29. #ifndef __V4L2_COMMON__
    30. 

  30. #define __V4L2_COMMON__
    31. 

  31. 

  32. /*
    33. 

  33.  *
    34. 

  34.  * Selection interface definitions
    35. 

  35.  *
    36. 

  36.  */
    37. 

  37. 

  38. /* Current cropping area */
    39. 

  39. #define V4L2_SEL_TGT_CROP		0x0000
    40. 

  40. /* Default cropping area */
    41. 

  41. #define V4L2_SEL_TGT_CROP_DEFAULT	0x0001
    42. 

  42. /* Cropping bounds */
    43. 

  43. #define V4L2_SEL_TGT_CROP_BOUNDS	0x0002
    44. 

  44. /* Current composing area */
    45. 

  45. #define V4L2_SEL_TGT_COMPOSE		0x0100
    46. 

  46. /* Default composing area */
    47. 

  47. #define V4L2_SEL_TGT_COMPOSE_DEFAULT	0x0101
    48. 

  48. /* Composing bounds */
    49. 

  49. #define V4L2_SEL_TGT_COMPOSE_BOUNDS	0x0102
    50. 

  50. /* Current composing area plus all padding pixels */
    51. 

  51. #define V4L2_SEL_TGT_COMPOSE_PADDED	0x0103
    52. 

  52. 

  53. /* Backward compatibility target definitions --- to be removed. */
    54. 

  54. #define V4L2_SEL_TGT_CROP_ACTIVE	V4L2_SEL_TGT_CROP
    55. 

  55. #define V4L2_SEL_TGT_COMPOSE_ACTIVE	V4L2_SEL_TGT_COMPOSE
    56. 

  56. #define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL	V4L2_SEL_TGT_CROP
    57. 

  57. #define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
    58. 

  58. #define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS	V4L2_SEL_TGT_CROP_BOUNDS
    59. 

  59. #define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
    60. 

  60. 

  61. /* Selection flags */
    62. 

  62. #define V4L2_SEL_FLAG_GE		(1 << 0)
    63. 

  63. #define V4L2_SEL_FLAG_LE		(1 << 1)
    64. 

  64. #define V4L2_SEL_FLAG_KEEP_CONFIG	(1 << 2)
    65. 

  65. 

  66. /* Backward compatibility flag definitions --- to be removed. */
    67. 

  67. #define V4L2_SUBDEV_SEL_FLAG_SIZE_GE	V4L2_SEL_FLAG_GE
    68. 

  68. #define V4L2_SUBDEV_SEL_FLAG_SIZE_LE	V4L2_SEL_FLAG_LE
    69. 

  69. #define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
    70. 

  70. 

  71. #endif /* __V4L2_COMMON__ */
    72.