diff options
Diffstat (limited to 'webcam/com/neave/media')
| -rwxr-xr-x | webcam/com/neave/media/NeaveCamera.as | 81 | ||||
| -rwxr-xr-x | webcam/com/neave/media/NeaveMicrophone.as | 104 |
2 files changed, 185 insertions, 0 deletions
diff --git a/webcam/com/neave/media/NeaveCamera.as b/webcam/com/neave/media/NeaveCamera.as new file mode 100755 index 0000000..f401af8 --- /dev/null +++ b/webcam/com/neave/media/NeaveCamera.as @@ -0,0 +1,81 @@ +/**
+ * Neave Camera
+ *
+ * Copyright (C) 2008 Paul Neave
+ * http://www.neave.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation at http://www.gnu.org/licenses/gpl.html
+ */
+
+package com.neave.media
+{
+ import flash.events.*;
+ import flash.media.*;
+ import flash.system.*;
+
+ public class NeaveCamera
+ {
+ /**
+ * The requested width of the camera object
+ */
+ static public var CAMERA_WIDTH:int = 320;
+
+ /**
+ * The requested height of the camera object
+ */
+ static public var CAMERA_HEIGHT:int = 240;
+
+ static private var cam:Camera;
+
+ public function NeaveCamera() { }
+
+ /**
+ * Sets up and returns the camera object
+ *
+ * @return A camera object
+ */
+ static public function getCamera():Camera
+ {
+ // Return the same camera if it has been successfully requested before
+ if (cam != null)
+ {
+ if (cam.muted) Security.showSettings(SecurityPanel.PRIVACY);
+ return cam;
+ }
+
+ // Get the camera
+ cam = Camera.getCamera();
+ if (cam != null)
+ {
+ // Set properties if a camera was found
+ cam.setMode(CAMERA_WIDTH, CAMERA_HEIGHT, 30, true);
+ cam.addEventListener(StatusEvent.STATUS, NeaveCamera.statusListener);
+ return cam;
+ }
+ else
+ {
+ // No camera found
+ Security.showSettings(SecurityPanel.CAMERA);
+ return new Camera();
+ }
+ }
+
+ /**
+ * Whether the camera object is available or not
+ */
+ static public function get muted():Boolean
+ {
+ return cam == null || cam.muted || cam.name == null || cam.width == 0;
+ }
+
+ /**
+ * Camera status response
+ */
+ static private function statusListener(e:StatusEvent):void
+ {
+ if (e.code == "Camera.Unmuted") Security.showSettings(SecurityPanel.CAMERA);
+ }
+ }
+}
\ No newline at end of file diff --git a/webcam/com/neave/media/NeaveMicrophone.as b/webcam/com/neave/media/NeaveMicrophone.as new file mode 100755 index 0000000..6a46ee7 --- /dev/null +++ b/webcam/com/neave/media/NeaveMicrophone.as @@ -0,0 +1,104 @@ +/**
+ * Neave Microphone
+ *
+ * Copyright (C) 2008 Paul Neave
+ * http://www.neave.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation at http://www.gnu.org/licenses/gpl.html
+ */
+
+package com.neave.media
+{
+ import flash.events.*;
+ import flash.media.*;
+ import flash.system.*;
+ import flash.utils.*;
+
+ public class NeaveMicrophone
+ {
+ static private var mic:Microphone;
+ static private var gainTimer:Timer;
+
+ public function NeaveMicrophone() { }
+
+ /**
+ * Sets up and returns the microphone object
+ *
+ * @return A microphone object
+ */
+ static public function getMicrophone():Microphone
+ {
+ // Return the same microphone if it has been successfully requested before
+ if (mic != null)
+ {
+ if (mic.muted) Security.showSettings(SecurityPanel.PRIVACY);
+ else NeaveMicrophone.startAutoGain();
+ return mic;
+ }
+
+ gainTimer = new Timer(100);
+
+ // Get the microphone
+ mic = Microphone.getMicrophone();
+ if (mic != null)
+ {
+ // Set properties if a microphone was found
+ mic.setLoopBack(true);
+ mic.rate = 44;
+ mic.gain = 25;
+ mic.setSilenceLevel(0);
+ mic.setUseEchoSuppression(true);
+ mic.soundTransform = new SoundTransform(0); // Mute microphone from sounding on speakers
+ mic.addEventListener(StatusEvent.STATUS, NeaveMicrophone.statusListener);
+
+ return mic;
+ }
+ else
+ {
+ // No microphone found
+ Security.showSettings(SecurityPanel.MICROPHONE);
+ return new Microphone();
+ }
+ }
+
+ /**
+ * Microphone status response
+ */
+ static private function statusListener(e:StatusEvent):void
+ {
+ if (e.code == "Microphone.Unmuted") NeaveMicrophone.startAutoGain();
+ else NeaveMicrophone.stopAutoGain();
+ }
+
+ /**
+ * Set up gain control
+ */
+ static public function startAutoGain():void
+ {
+ gainTimer.start();
+ if (!gainTimer.hasEventListener(TimerEvent.TIMER)) gainTimer.addEventListener(TimerEvent.TIMER, setGain);
+ }
+
+ /**
+ * Stop gain control
+ */
+ static public function stopAutoGain():void
+ {
+ gainTimer.stop();
+ gainTimer.reset();
+ gainTimer.removeEventListener(TimerEvent.TIMER, setGain);
+ }
+
+ /**
+ * Dynamically adjust the microphone's gain value
+ */
+ static private function setGain(e:TimerEvent):void
+ {
+ if (mic.activityLevel < 15) mic.gain = 30;
+ else if (mic.activityLevel > 90) mic.gain = 20;
+ else mic.gain = 25;
+ }
+ }
+}
\ No newline at end of file |