eessppeelllloo/processing4
1
0
Fork 0
mirror of https://github.com/processing/processing4.git synced 2026-06-16 04:26:26 +02:00
Code Issues Packages Projects Releases Wiki Activity

changing camera to capture, slight tweak to faq

Browse Source
This commit is contained in:
benfry
2005-04-19 04:33:06 +00:00
parent bce270ea2c
commit 68e3d65442
2 changed files with 43 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files
todo.txt
+5 -8
View File
@@ -7,6 +7,9 @@ X memory on external apps is a little broken
X update the script for the mailing list
X processing vs. flash item on the faq? a "why?" page?
X clean up faq page to use text A NAME tags
X rename video.Camera to video.Video ? Capture ?
X VideoInput VideoOutput, SoundInput, SoundOutput or AudioInput/AudioOutput
X need to straighten out for when audio comes along
save as... bugs
X always make sure that the sketch folder still exists
@@ -52,12 +55,7 @@ unhide "a_2"
unhide "a"
where did "a_2" go ?
pending
_ rename video.Camera to video.Video ? Capture ?
_ VideoInput VideoOutput, SoundInput, SoundOutput or AudioInput/AudioOutput
_ need to straighten out for when audio comes along
_ faq menu selection should select current page so can navigate elsewhere
X faq menu selection should select current page so can navigate elsewhere
_ also missing "founders" and "interview" pages
_ remove interview page if not already done
_ founders page is online, just integrate - info.html
@@ -65,8 +63,7 @@ _ list of changes since rev 69? run through revisions.txt
_ list of known bugs should be on the faq page
_ a bunch of stuff from revisions.txt on 84 and 82
_ how to deal with bugs, since there are so many known...
o how to deal with bugs, since there are so many known...
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
video/Camera.java → video/Capture.java
Regular → Executable
+38 -52
View File
@@ -1,7 +1,6 @@
/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Camera - whatchin shit on tv
Part of the Processing project - http://processing.org
Copyright (c) 2004-05 Ben Fry and Casey Reas
@@ -35,10 +34,12 @@ import quicktime.std.sg.*;
import quicktime.util.RawEncodedImage;
// this is the useful ref page
// http://developer.apple.com/documentation/Java/Reference/1.4.1/Java141API_QTJ/constant-values.html
public class Camera extends PImage implements Runnable {
/**
* whatchin shit on tv
* <p>
* The useful ref page for <a href="http://developer.apple.com/documentation/Java/Reference/1.4.1/Java141API_QTJ/constant-values.html">quicktime constants</a>
*/
public class Capture extends PImage implements Runnable {
// there are more, but these are all we'll provide for now
static public final int COMPOSITE = StdQTConstants.compositeIn; // 0
@@ -51,13 +52,14 @@ public class Camera extends PImage implements Runnable {
static public final int SECAM = StdQTConstants.secamIn;
PApplet parent;
Method cameraEventMethod;
Method captureEventMethod;
String name; // keep track for error messages (unused)
Thread runner;
boolean available = false;
/** Temporary storage for the raw image data read directly from the camera */
/** Temporary storage for the raw image
data read directly from the capture device */
public int data[];
public int dataWidth;
@@ -90,22 +92,22 @@ public class Camera extends PImage implements Runnable {
QTRuntimeException.registerHandler(new QTRuntimeHandler() {
public void exceptionOccurred(QTRuntimeException e,
Object obj, String s, boolean flag) {
System.err.println("Problem inside Camera");
System.err.println("Problem inside Capture");
e.printStackTrace();
}
});
}
public Camera(PApplet parent, int requestWidth, int requestHeight) {
public Capture(PApplet parent, int requestWidth, int requestHeight) {
this(parent, null, requestWidth, requestHeight, 30);
}
public Camera(PApplet parent, int reqWidth, int reqHeight, int framerate) {
public Capture(PApplet parent, int reqWidth, int reqHeight, int framerate) {
this(parent, null, reqWidth, reqHeight, framerate);
}
public Camera(PApplet parent, String name, int reqWidth, int reqHeight) {
public Capture(PApplet parent, String name, int reqWidth, int reqHeight) {
this(parent, name, reqWidth, reqHeight, 30);
}
@@ -116,11 +118,11 @@ public class Camera extends PImage implements Runnable {
* used by a QuickTime application.
* <P>
* If the following function:
* public void cameraEvent(Camera c)
* public void captureEvent(Capture c)
* is defined int the host PApplet, then it will be called every
* time a new frame is available from the camera.
* time a new frame is available from the capture device.
*/
public Camera(PApplet parent, String name,
public Capture(PApplet parent, String name,
int requestWidth, int requestHeight, int framerate) {
this.parent = parent;
this.name = name;
@@ -173,9 +175,9 @@ public class Camera extends PImage implements Runnable {
parent.registerDispose(this);
try {
cameraEventMethod =
parent.getClass().getMethod("cameraEvent",
new Class[] { Camera.class });
captureEventMethod =
parent.getClass().getMethod("captureEvent",
new Class[] { Capture.class });
} catch (Exception e) {
// no such method, or an error.. which is fine, just ignore
}
@@ -185,15 +187,15 @@ public class Camera extends PImage implements Runnable {
int errorCode = qte.errorCode();
if (errorCode == Errors.couldntGetRequiredComponent) {
// this can happen when the camera isn't available or
// wasn't shut down properly
parent.die("No camera could be found, " +
// this can happen when the capture device isn't available
// or wasn't shut down properly
parent.die("No capture could be found, " +
"or the VDIG is not installed correctly.", qte);
} else {
parent.die("Error while setting up Camera", qte);
parent.die("Error while setting up Capture", qte);
}
} catch (Exception e) {
parent.die("Error while setting up Camera", e);
parent.die("Error while setting up Capture", e);
}
}
@@ -202,13 +204,13 @@ public class Camera extends PImage implements Runnable {
* True if a frame is ready to be read.
* <PRE>
* // put this somewhere inside draw
* if (camera.available()) camera.read();
* if (capture.available()) capture.read();
* </PRE>
* Alternatively, you can use cameraEvent(Camera c) to notify you
* Alternatively, you can use captureEvent(Capture c) to notify you
* whenever available() is set to true. In which case, things might
* look like this:
* <PRE>
* public void cameraEvent(Camera c) {
* public void captureEvent(Capture c) {
* c.read();
* // do something exciting now that c has been updated
* }
@@ -222,7 +224,7 @@ public class Camera extends PImage implements Runnable {
/**
* Set the video to crop from its original.
* <P>
* It seems common that cameras add lines to the top or bottom
* It seems common that captures add lines to the top or bottom
* of an image, so this can be useful for removing them.
* Internally, the pixel buffer size returned from QuickTime is
* often a different size than requested, so crop will be set
@@ -310,14 +312,14 @@ public class Camera extends PImage implements Runnable {
//read();
available = true;
if (cameraEventMethod != null) {
if (captureEventMethod != null) {
try {
cameraEventMethod.invoke(parent, new Object[] { this });
captureEventMethod.invoke(parent, new Object[] { this });
} catch (Exception e) {
System.err.println("Disabling cameraEvent() for " + name +
System.err.println("Disabling captureEvent() for " + name +
" because of an error.");
e.printStackTrace();
cameraEventMethod = null;
captureEventMethod = null;
}
}
}
@@ -335,11 +337,11 @@ public class Camera extends PImage implements Runnable {
/**
* Set the framerate for how quickly new frames are read
* from the camera.
* from the capture device.
*/
public void framerate(int iframerate) {
if (iframerate <= 0) {
System.err.println("Camera: ignoring bad framerate of " +
System.err.println("Capture: ignoring bad framerate of " +
iframerate + " fps.");
return;
}
@@ -380,7 +382,7 @@ public class Camera extends PImage implements Runnable {
* I think of something slightly more intelligent to do.
*/
protected void errorMessage(String where, Exception e) {
parent.die("Error inside Camera." + where + "()", e);
parent.die("Error inside Capture." + where + "()", e);
}
@@ -441,37 +443,21 @@ public class Camera extends PImage implements Runnable {
int errorCode = qte.errorCode();
if (errorCode != Errors.userCanceledErr) {
qte.printStackTrace();
throw new RuntimeException("error inside Camera.settings()");
throw new RuntimeException("error inside Capture.settings()");
}
}
}
/*
public String[] listInputs() {
VideoDigitizer digitizer = channel.getDigitizerComponent();
int count = digitizer.getNumberOfInputs();
String outgoing[] = new String[count];
//digitizer.setInput(2); // or something
//DigitizerInfo di = digitizer.getDigitizerInfo()
}
*/
/**
* Get a list of all available cameras as a String array.
* i.e. printarr(Camera.list()) will show you the goodies.
* Get a list of all available captures as a String array.
* i.e. println(Capture.list()) will show you the goodies.
*/
static public String[] list() {
try {
SequenceGrabber grabber = new SequenceGrabber();
SGVideoChannel channel = new SGVideoChannel(grabber);
//VideoDigitizer digitizer = channel.getDigitizerComponent();
//digitizer.setInput(2); // or something
//DigitizerInfo di = digitizer.getDigitizerInfo()
SGDeviceList deviceList = channel.getDeviceList(0); // flags is 0
String listing[] = new String[deviceList.getCount()];
for (int i = 0; i < deviceList.getCount(); i++) {