api.php

<?php
/*
* For uvcdynctrl 0.2.4
* Logitech c615 https://www.logitech.com/en-us/product/hd-webcam-c615
*/
  class Api
  {
    private function setCmd($cmd, $value)
    {
      exec("uvcdynctrl -v -d video0 --set '".$cmd."' '$value' 2>&1",$output);
      return $output[0];
    }
    public function getCmd($cmd)
    {
      exec("uvcdynctrl -v -d video0 --get '".$cmd."' 2>&1",$output);
      return $output[0];
    }

    public function disableAutoExposure()
    {
      $command = "'Exposure, Auto'";
      $options = 1;

      return SELF::setCmd($command,$options);
    }
    public function setExposure($expo)
    {
      /*
      * Values  : [ 3 .. 2047, step size: 1 ],
      * Default : 166
      */
      $command = "'Exposure (Absolute)''";
      return SELF::setCmd($command,$expo);
    }

    public function killLED()
    {
      $command = "LED1 Mode";
      return SELF::setCmd($command, 0);
    }

    public function setZoom($zoom)
    {
      /*
      * Values  : [ 1 .. 5, step size: 1 ],
      * Default : 1
      */
      $command = "Zoom, Absolute";

      return SELF::setCmd($command,$zoom);
    }

    public function setPan($pan)
    {
      /*
      * Values  : [ -36000 .. 36000, step size: 3600 ],
      * Default : 0
      */
      $command = "Pan (Absolute)";
      return SELF::setCmd($command,$pan);
    }
    public function setFocus($steps)
    {
      /*
      *  Values  : [ 0 .. 255, step size: 17 ],
      *  Default : 51
      */
      if(count($steps) == 0)
      {
        $size = 51;
      }
      else
      {
        $size = ($steps * 17);
      }

      $command =  "Focus (absolute)";
      return SELF::setCmd($command,$size);
    }
    /*
Exposure, Auto
 ID      : 0x0000000f,
 Type    : Choice,
 Flags   : { CAN_READ, CAN_WRITE },
 Values  : { 'Manual Mode'[1], 'Aperture Priority Mode'[3] },
 Default : 3
Exposure (Absolute)
 ID      : 0x00000011,
 Type    : Dword,
 Flags   : { CAN_READ, CAN_WRITE },
 Values  : [ 3 .. 2047, step size: 1 ],
 Default : 166
Exposure, Auto Priority
 ID      : 0x00000010,
 Type    : Boolean,
 Flags   : { CAN_READ, CAN_WRITE },
 Values  : [ 0 .. 1, step size: 1 ],
 Default : 0
Pan (Absolute)
 ID      : 0x0000001c,
 Type    : Dword,
 Flags   : { CAN_READ, CAN_WRITE },
 Values  : [ -36000 .. 36000, step size: 3600 ],
 Default : 0
Tilt (Absolute)
 ID      : 0x0000001e,
 Type    : Dword,
 Flags   : { CAN_READ, CAN_WRITE },
 Values  : [ -36000 .. 36000, step size: 3600 ],
 Default : 0
Focus (absolute)
 ID      : 0x00000015,
 Type    : Dword,
 Flags   : { CAN_READ, CAN_WRITE },
 Values  : [ 0 .. 255, step size: 17 ],
 Default : 51
Focus, Auto
 ID      : 0x00000014,
 Type    : Boolean,
 Flags   : { CAN_READ, CAN_WRITE },
 Values  : [ 0 .. 1, step size: 1 ],
 Default : 1
Zoom, Absolute
 ID      : 0x00000019,
 Type    : Dword,
 Flags   : { CAN_READ, CAN_WRITE },
 Values  : [ 1 .. 5, step size: 1 ],
 Default : 1
LED1 Mode
 ID      : 0x046d0003,
 Type    : Choice,
 Flags   : { CAN_READ, CAN_WRITE, IS_CUSTOM },
 Values  : { 'Off'[0], 'On'[1], 'Auto'[2] },
 Default : 0
 
uvcdynctrl -v -d video0 -c

    */



  }

 ?>