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      1 /*
      2  * Copyright (c) 2014 Philippe De Muyter <phdm (at) macqel.be>
      3  * Copyright (c) 2014 William Manley <will (at) williammanley.net>
      4  * Copyright (c) 2011 Peter Zotov <whitequark (at) whitequark.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include "defs.h"
     31 
     32 
     33 #include <stdint.h>
     34 #include <linux/ioctl.h>
     35 #include <linux/types.h>
     36 #include <linux/videodev2.h>
     37 
     38 typedef struct v4l2_buffer struct_v4l2_buffer;
     39 typedef struct v4l2_create_buffers struct_v4l2_create_buffers;
     40 typedef struct v4l2_ext_control struct_v4l2_ext_control;
     41 typedef struct v4l2_ext_controls struct_v4l2_ext_controls;
     42 typedef struct v4l2_format struct_v4l2_format;
     43 typedef struct v4l2_framebuffer struct_v4l2_framebuffer;
     44 typedef struct v4l2_input struct_v4l2_input;
     45 typedef struct v4l2_standard struct_v4l2_standard;
     46 
     47 struct_v4l2_ext_control mpers_target_var;
     48