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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
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<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
<!-- END META TAG INFO -->
<!-- BEGIN TITLE -->
<title>MyRecorder - /English.lproj/MyRecorder Help/Site/MyRecorder Help.html</title>
<!-- END TITLE -->
<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
<!-- BEGIN BODY OPEN -->
<body>
<!--END BODY OPEN -->
<!-- START CENTER OPEN -->
<center>
<!-- END CENTER OPEN -->
<!-- BEGIN LOGO AND SEARCH -->
<!--#include virtual="/includes/adcnavbar"-->
<!-- END LOGO AND SEARCH -->
<!-- START BREADCRUMB -->
<div id="breadcrumb">
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td scope="row"><img width="340" height="10" src="images/1dot.gif" alt=""></td>
<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
</tr>
<tr valign="middle">
<td align="left" colspan="2">
<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/QuickTime/index.html">QuickTime</a> > <a href="../../samplecode/QuickTime/idxCocoa-date.html">Cocoa</a> > <A HREF="javascript:location.replace('index.html');">MyRecorder</A> >
</td>
</tr>
<tr>
<td colspan="2" scope="row"><img width="680" height="35" src="images/1dot.gif" alt=""></td>
</tr>
</table>
</div>
<!-- END BREADCRUMB -->
<!-- START MAIN CONTENT -->
<!-- START TITLE GRAPHIC AND INTRO-->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td><h1><div id="pagehead">MyRecorder</div></h1></td>
</tr>
</table>
<!-- END TITLE GRAPHIC AND INTRO -->
<!-- START WIDE COLUMN -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td id="scdetails">
<h2>/English.lproj/MyRecorder Help/Site/MyRecorder Help.html</h2>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/English.lproj/MyRecorder Help/MyRecorder Help.html</option>
<option value="listing2.html">/English.lproj/MyRecorder Help/Site/index.html</option>
<option value="listing3.html">/English.lproj/MyRecorder Help/Site/MyRecorder Help 2.html</option>
<option value="listing4.html">/English.lproj/MyRecorder Help/Site/MyRecorder Help 2_files/MyRecorder Help 2.css</option>
<option value="listing5.html">/English.lproj/MyRecorder Help/Site/MyRecorder Help 2_files/MyRecorder Help 2.js</option>
<option value="listing6.html">/English.lproj/MyRecorder Help/Site/MyRecorder Help 3.html</option>
<option value="listing7.html">/English.lproj/MyRecorder Help/Site/MyRecorder Help 3_files/MyRecorder Help 3.css</option>
<option value="listing8.html">/English.lproj/MyRecorder Help/Site/MyRecorder Help 3_files/MyRecorder Help 3.js</option>
<option value="listing9.html">/English.lproj/MyRecorder Help/Site/MyRecorder Help.html</option>
<option value="listing10.html">/English.lproj/MyRecorder Help/Site/MyRecorder Help_files/MyRecorder Help.css</option>
<option value="listing11.html">/English.lproj/MyRecorder Help/Site/MyRecorder Help_files/MyRecorder Help.js</option>
<option value="listing12.html">/main.m</option>
<option value="listing13.html">/MyRecorderController.h</option>
<option value="listing14.html">/MyRecorderController.m</option></select>
</p>
</form>
<p><strong><a href="MYRecorder.zip">Download Sample</a></strong> (“MYRecorder.zip”, 412.1K)<BR>
<strong><a href="MYRecorder.dmg">Download Sample</a></strong> (“MYRecorder.dmg”, 463.2K)</p>
<!--
<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
-->
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<tr>
<td scope="row"><img width="680" height="10" src="images/1dot.gif" alt=""><br>
<img height="1" width="680" src="images/1dot_919699.gif" alt=""><br>
<img width="680" height="20" src="images/1dot.gif" alt=""></td>
</tr>
<tr>
<td scope="row">
<!--googleon: index -->
<pre class="sourcecodebox"><?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta name="Generator" content="iWeb 1.1.2" />
<title>MyRecorder Help</title>
<link rel="stylesheet" type="text/css" media="screen" href="MyRecorder%20Help_files/MyRecorder%20Help.css" /><script type="text/javascript" src="MyRecorder%20Help_files/MyRecorder%20Help.js"></script>
</head>
<body style="background: #000000; margin: 0pt; " onload="onPageLoad();">
<div style="text-align: center; ">
<div style="margin-bottom: 0px; margin-left: auto; margin-right: auto; margin-top: 0px; overflow: hidden; position: relative; background: #000000; text-align: left; width: 700px; " id="body_content">
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<div style="height: 46px; left: 0px; position: absolute; top: 0px; width: 700px; z-index: 1; " class="graphic_navigationbar_style_default">
<div style="background: transparent url(MyRecorder%20Help_files/navbar_separator_0.png) no-repeat scroll center; height: 29px; left: 254px; position: absolute; top: 10px; width: 11px; z-index: 1; "></div>
<div style="background: transparent url(MyRecorder%20Help_files/navbar_separator_1.png) no-repeat scroll center; height: 29px; left: 422px; position: absolute; top: 10px; width: 11px; z-index: 1; "></div>
<div style="background: transparent url(MyRecorder%20Help_files/navbar_active.png) no-repeat scroll center; height: 36px; left: 106px; position: absolute; top: 7px; width: 152px; z-index: 1; "></div>
<div style="background: transparent url(MyRecorder%20Help_files/navbar_0_normal.png) no-repeat scroll center; height: 36px; left: 261px; position: absolute; top: 7px; width: 165px; z-index: 1; " id="navbar_0_normal"></div>
<div style="background: transparent url(MyRecorder%20Help_files/navbar_0_rollover.png) no-repeat scroll center; height: 36px; left: 261px; position: absolute; top: 7px; visibility: hidden; width: 165px; z-index: 1; " id="navbar_0_rollover"></div>
<a style="display: block; height: 29px; left: 265px; position: absolute; top: 10px; width: 158px; z-index: 2; " onmouseout="NBmouseout('0');" href="MyRecorder%20Help%202.html" onmouseover="NBmouseover('0');"></a>
<div style="background: transparent url(MyRecorder%20Help_files/navbar_1_normal.png) no-repeat scroll center; height: 36px; left: 429px; position: absolute; top: 7px; width: 165px; z-index: 1; " id="navbar_1_normal"></div>
<div style="background: transparent url(MyRecorder%20Help_files/navbar_1_rollover.png) no-repeat scroll center; height: 36px; left: 429px; position: absolute; top: 7px; visibility: hidden; width: 165px; z-index: 1; " id="navbar_1_rollover"></div>
<a style="display: block; height: 29px; left: 433px; position: absolute; top: 10px; width: 158px; z-index: 2; " onmouseout="NBmouseout('1');" href="MyRecorder%20Help%203.html" onmouseover="NBmouseover('1');"></a>
</div>
</div>
<div style="margin-left: 0px; position: relative; width: 700px; z-index: 5; " id="body_layer">
<div style="height: 0px; line-height: 0px; " class="tinyText"> </div>
<img src="MyRecorder%20Help_files/shapeimage_1.jpg" alt="" style="height: 1px; left: 35px; position: absolute; top: 1px; width: 630px; z-index: 1; " />
<div class="graphic_generic_title_textbox_style_default" style="height: 49px; left: 35px; position: absolute; top: 22px; width: 630px; z-index: 1; " id="id1">
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<div>
<div class="graphic_textbox_layout_style_default">
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; padding-top: 0pt; "><span style="font-family: 'Helvetica-Bold', 'Helvetica', 'Arial', 'sans-serif'; font-size: 18px; font-weight: bold; line-height: 22px; ">How It Works</span><span style="font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 18px; line-height: 22px; "></span></div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 11px; line-height: 13px; text-decoration: none;"> </div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">All QTKit capture applications make use of three basic types of objects: capture inputs, capture</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">outputs, and a capture session. Capture inputs, which are subclasses of QTCaptureInput, provide</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">the necessary interfaces to different sources of captured media.</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px; text-decoration: none;"> </div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">A QTCaptureDeviceInput object, which is a subclass of QTCaptureInput, provides an interface to</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">capturing from various audio/video hardware, such as cameras and microphones. Capture outputs,</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">which are subclasses of QTCaptureOutput, provide the necessary interfaces to various destinations</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">for media, such as QuickTime movie files, or video and audio previews.</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">A capture session, which is a QTCaptureSession object, manages how media that is captured from</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">connected input sources is distributed to connected output destinations. Each input and output has</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">one or more connection, which represents a media stream of a certain QuickTime media type, such</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">as video or audio media. A QTCaptureSession will attempt to connect all input connections to each</div>
<div class="paragraph Free_Form" style="line-height: 20px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 17px;">of its outputs.</div>
<div class="paragraph Free_Form" style="line-height: 20px; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 17px;">The illustration below shows how a QTCaptureSession works. This is accomplished by connecting inputs to</div>
<div class="paragraph Free_Form" style="line-height: 17px; margin-bottom: 0px; margin-top: 0px; padding-bottom: 0pt; font-family: 'Helvetica', 'Arial', 'sans-serif'; font-size: 12px; line-height: 14px;">outputs in order to record and preview video from a camera.</div>
</div>
</div>
</div>
<img src="MyRecorder%20Help_files/qt_capture_chann.jpg" alt="" style="border: none; height: 355px; left: 73px; opacity: 1.00; position: absolute; top: 274px; width: 553px; z-index: 1; " />
<div class="graphic_textbox_style_default" style="height: 100px; left: 300px; position: absolute; top: 365px; width: 100px; z-index: 1; " id="id4">
<div>
<div class="graphic_textbox_layout_style_default">
<div class="paragraph Body" style="line-height: 20px; padding-bottom: 0pt; padding-top: 0pt; "><img src="MyRecorder%20Help_files/shapeimage_2.png" title="" id="id3" style="height: 1px; left: 96px; margin-bottom: 91px; margin-right: 91px; position: relative; top: 94px; width: 1px; " /><span class="tinyText"> </span></div>
</div>
<div style="clear: both; height: 0px; line-height: 0px; " class="tinyText"> </div>
</div>
</div>
<div style="height: 480px; line-height: 480px; " class="tinyText"> </div>
</div>
<div style="height: 150px; margin-left: 0px; position: relative; width: 700px; z-index: 15; " id="footer_layer">
<div style="height: 0px; line-height: 0px; " class="tinyText"> </div>
</div>
</div>
</div>
</body>
</html>
</pre>
<!--googleoff: index -->
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<table width="680" border="0" cellpadding="0" cellspacing="0">
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<td><div style="width: 100%; height: 1px; background-color: #919699; margin-top: 5px; margin-bottom: 15px"></div></td>
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<tr>
<td align="center"><br/>
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<th>Did this document help you?</th>
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<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/MYRecorder/listing9.html%3Fid%3DDTS10004263-1.5&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
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</table>
<!-- START BOTTOM APPLE NAVIGATION -->
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