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<!DOCTYPE html>
<html lang="en">
<head>
<title>Protocols Reference</title>
<link rel="stylesheet" type="text/css" href="css/jazzy.css" />
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<body>
<a name="//apple_ref/objc/Section/Protocols" class="dashAnchor"></a>
<a title="Protocols Reference"></a>
<header>
<div class="content-wrapper">
<p>
<a href="index.html">CascableCore Docs</a>
<span class="no-mobile"> (100% documented)</span>
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<a href="index.html">CascableCore</a>
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Protocols Reference
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</div>
</div>
<div class="wrapper">
<div class="article-wrapper">
<article class="main-content">
<section>
<section class="section">
<h1>Protocols</h1>
<p>The following protocols are available globally.</p>
</section>
<section class="section task-group-section">
<div class="task-group">
<ul>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraDiagnostics"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraDiagnostics" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraDiagnostics">CBLCameraDiagnostics</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Diagnostics methods for cameras.</p>
<a href="Protocols/CBLCameraDiagnostics.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraDiagnostics</span> <span class="o"><</span><span class="n"><a href="Protocols.html#/c:objc(pl)CBLCamera">CBLCamera</a></span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraDiagnostics</span> <span class="p">:</span> <span class="kt">Camera</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraAuthenticationContext"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraAuthenticationContext" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraAuthenticationContext">CBLCameraAuthenticationContext</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A camera authentication context represents a request for authentication from the camera. Responses are
submitted via this context object.</p>
<a href="Protocols/CBLCameraAuthenticationContext.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraAuthenticationContext</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraAuthenticationContext</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraConnectionWarning"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraConnectionWarning" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraConnectionWarning">CBLCameraConnectionWarning</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A non-fatal connection warning.</p>
<a href="Protocols/CBLCameraConnectionWarning.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraConnectionWarning</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">ConnectionWarning</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCamera"></a>
<a name="//apple_ref/objc/Protocol/CBLCamera" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCamera">CBLCamera</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>The catch-all protocol for a camera object in CascableCore. Functionality is broken down into sub-protocols:</p>
<ul>
<li><code><a href="Protocols/CBLCameraCore.html">CBLCameraCore</a></code> for core functionality, such as connection/disconnection, supported functionality, etc.</li>
<li><code><a href="Protocols/CBLCameraLiveView.html">CBLCameraLiveView</a></code> for operations involving live view streaming.</li>
<li><code><a href="Protocols/CBLCameraFocusAndShutter.html">CBLCameraFocusAndShutter</a></code> for operations involving shooting images.</li>
<li><code><a href="Protocols/CBLCameraProperties.html">CBLCameraProperties</a></code> for operations involving getting and setting camera settings/properties.</li>
<li><code><a href="Protocols/CBLCameraFileSystem.html">CBLCameraFileSystem</a></code> for operations involving accessing the camera’s file system.</li>
<li><code><a href="Protocols/CBLCameraVideoRecording.html">CBLCameraVideoRecording</a></code> for operations involving video recording.</li>
</ul>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCamera</span> <span class="o"><</span><span class="n">NSObject</span><span class="p">,</span> <span class="n"><a href="Protocols/CBLCameraCore.html">CBLCameraCore</a></span><span class="p">,</span> <span class="n"><a href="Protocols/CBLCameraLiveView.html">CBLCameraLiveView</a></span><span class="p">,</span>
<span class="n"><a href="Protocols/CBLCameraProperties.html">CBLCameraProperties</a></span><span class="p">,</span> <span class="n"><a href="Protocols/CBLCameraFileSystem.html">CBLCameraFileSystem</a></span><span class="p">,</span>
<span class="n"><a href="Protocols/CBLCameraFocusAndShutter.html">CBLCameraFocusAndShutter</a></span><span class="p">,</span> <span class="n"><a href="Protocols/CBLCameraVideoRecording.html">CBLCameraVideoRecording</a></span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">Camera</span> <span class="p">:</span> <span class="kt">CameraCore</span><span class="p">,</span> <span class="kt">CameraFileSystem</span><span class="p">,</span> <span class="kt">CameraFocusAndShutter</span><span class="p">,</span> <span class="kt">CameraLiveView</span><span class="p">,</span> <span class="kt">CameraProperties</span><span class="p">,</span> <span class="kt">CameraVideoRecording</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraCore"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraCore" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraCore">CBLCameraCore</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Camera connection, disconnection and status methods.</p>
<a href="Protocols/CBLCameraCore.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraCore</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraCore</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
</ul>
</div>
<div class="task-group">
<div class="task-name-container">
<a name="/Live%20View"></a>
<a name="//apple_ref/objc/Section/Live View" class="dashAnchor"></a>
<div class="section-name-container">
<a class="section-name-link" href="#/Live%20View"></a>
<h3 class="section-name"><span>Live View</span>
</h3>
</div>
</div>
<ul>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraLiveView"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraLiveView" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraLiveView">CBLCameraLiveView</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Camera live view methods.</p>
<a href="Protocols/CBLCameraLiveView.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraLiveView</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraLiveView</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraProperties"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraProperties" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraProperties">CBLCameraProperties</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Camera property methods.</p>
<a href="Protocols/CBLCameraProperties.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraProperties</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraProperties</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraFileSystem"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraFileSystem" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraFileSystem">CBLCameraFileSystem</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Camera filesystem methods.</p>
<a href="Protocols/CBLCameraFileSystem.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraFileSystem</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraFileSystem</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraFocusAndShutter"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraFocusAndShutter" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraFocusAndShutter">CBLCameraFocusAndShutter</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Camera focus and shutter methods.</p>
<a href="Protocols/CBLCameraFocusAndShutter.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraFocusAndShutter</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraFocusAndShutter</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLVideoTimerValue"></a>
<a name="//apple_ref/objc/Protocol/CBLVideoTimerValue" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLVideoTimerValue">CBLVideoTimerValue</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A video timer value. Only valid during video recording.</p>
<a href="Protocols/CBLVideoTimerValue.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLVideoTimerValue</span> <span class="o"><</span><span class="n">NSObject</span><span class="p">,</span> <span class="n">NSCopying</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">VideoTimerValue</span> <span class="p">:</span> <span class="kt">NSCopying</span><span class="p">,</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraVideoRecording"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraVideoRecording" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraVideoRecording">CBLCameraVideoRecording</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Video recording methods.</p>
<a href="Protocols/CBLCameraVideoRecording.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraVideoRecording</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraVideoRecording</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraDiscoveryDelegate"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraDiscoveryDelegate" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraDiscoveryDelegate">CBLCameraDiscoveryDelegate</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Camera discovery delegate methods.</p>
<a href="Protocols/CBLCameraDiscoveryDelegate.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraDiscoveryDelegate</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraDiscoveryDelegate</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraDiscoveryServiceDelegate"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraDiscoveryServiceDelegate" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraDiscoveryServiceDelegate">CBLCameraDiscoveryServiceDelegate</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>The discovery service’s delegate protocol. Typically, this should not be interfered with.</p>
<a href="Protocols/CBLCameraDiscoveryServiceDelegate.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraDiscoveryServiceDelegate</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraDiscoveryServiceDelegate</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraDiscoveryService"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraDiscoveryService" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraDiscoveryService">CBLCameraDiscoveryService</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A camera discovery service represents a camera that has been found on the network, but has not been connected to. A meta-camera, if you will.</p>
<a href="Protocols/CBLCameraDiscoveryService.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraDiscoveryService</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraDiscoveryService</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraInitiatedTransferRequest"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraInitiatedTransferRequest" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraInitiatedTransferRequest">CBLCameraInitiatedTransferRequest</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A camera-initiated transfer is a request from a camera to transfer an image file (or at least, a representation of
one such as a preview) to the connected host. This typically happens soon after a shot is taken, and can allow the
previewing and transferring of images even if the camera currently doesn’t allow access to its storage.</p>
<p>Camera-initiated transfers can be time-sensitive as the camera moves on to newer images or flushes buffers — they
should be dealt with expediently.</p>
<p>In some cases, the camera-initiated transfer to the host may be the <em>only</em> destination for an image. Commonly
referred to as “tethered shooting” (or at least a variant of it), the camera might not attempt (or not be able to)
save the image to its own storage. If this is the case, not correctly handling a camera-initiated transfer will
case data loss. Check the <code>-isOnlyDestinationForImage</code> property — if that returns <code>YES</code>, not transferring and
saving the original representation of the image will cause it to be lost.</p>
<a href="Protocols/CBLCameraInitiatedTransferRequest.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraInitiatedTransferRequest</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraInitiatedTransferRequest</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraInitiatedTransferResult"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraInitiatedTransferResult" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraInitiatedTransferResult">CBLCameraInitiatedTransferResult</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>The result of a camera-initiated transfer.</p>
<p>Result objects are stored entirely locally, and as such are not under the time pressure that the intial camera-
initiated transfer object is. However, they can be fairly resource heavy (especially when the transfer is of a
RAW image) so it’s recommended that they are dealt with reasonably quickly.</p>
<p>How this object manages its resources is an implementation detail, and any buffers of cache files it creates will
be cleaned up when the object is deallocated. To take ownership of the transfer result, use the appropriate methods
to extract representations into RAM or to disk.</p>
<a href="Protocols/CBLCameraInitiatedTransferResult.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraInitiatedTransferResult</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraInitiatedTransferResult</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraLiveViewAFArea"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraLiveViewAFArea" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraLiveViewAFArea">CBLCameraLiveViewAFArea</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Represents an autofocus area in a camera’s focus aspect. Typically rendered as a rectangle on top of the live view image.</p>
<a href="Protocols/CBLCameraLiveViewAFArea.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraLiveViewAFArea</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">LiveViewAFArea</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraLiveViewFrame"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraLiveViewFrame" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraLiveViewFrame">CBLCameraLiveViewFrame</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Represents a single frame of a streaming live view image, along with any associated metadata.</p>
<a href="Protocols/CBLCameraLiveViewFrame.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraLiveViewFrame</span> <span class="o"><</span><span class="n">NSObject</span><span class="p">,</span> <span class="n">NSCopying</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">LiveViewFrame</span> <span class="p">:</span> <span class="kt">NSCopying</span><span class="p">,</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraManualDiscovery"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraManualDiscovery" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraManualDiscovery">CBLCameraManualDiscovery</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Use the <code>CBLCameraManualDiscovery</code> object when you need to connect to a camera in situations where using
automatic discovery protocols is neither available or desired. Typically, this is paired with user interface
asking the user for the IP address and manufacturer of their camera.</p>
<p>Note that manual discovery is <em>entirely</em> separate from the automatic discovery provided by <code><a href="Classes/CBLCameraDiscovery.html">CBLCameraDiscovery</a></code>.</p>
<a href="Protocols/CBLCameraManualDiscovery.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraManualDiscovery</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraManualDiscovery</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraPropertyObservation"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraPropertyObservation" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraPropertyObservation">CBLCameraPropertyObservation</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>An object for managing property value change notifications. When you add an observer to a property, store the returned
token somewhere in order to keep the observation alive. To remove the observation, you can simply remove all strong
references to its token, or explicitly call <code>invalidate</code> on it.</p>
<a href="Protocols/CBLCameraPropertyObservation.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraPropertyObservation</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraPropertyObservation</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLCameraProperty"></a>
<a name="//apple_ref/objc/Protocol/CBLCameraProperty" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLCameraProperty">CBLCameraProperty</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>An object representing the values for a property on the camera.</p>
<a href="Protocols/CBLCameraProperty.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLCameraProperty</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">CameraProperty</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLExposureProperty"></a>
<a name="//apple_ref/objc/Protocol/CBLExposureProperty" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLExposureProperty">CBLExposureProperty</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A property that exposes its values as universal exposure values.</p>
<a href="Protocols/CBLExposureProperty.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLExposureProperty</span> <span class="o"><</span><span class="n"><a href="Protocols/CBLCameraProperty.html">CBLCameraProperty</a></span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">ExposureProperty</span> <span class="p">:</span> <span class="kt">CameraProperty</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLVideoFormatProperty"></a>
<a name="//apple_ref/objc/Protocol/CBLVideoFormatProperty" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLVideoFormatProperty">CBLVideoFormatProperty</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A property that exposes its values as universal video format description values.</p>
<a href="Protocols/CBLVideoFormatProperty.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLVideoFormatProperty</span> <span class="o"><</span><span class="n"><a href="Protocols/CBLCameraProperty.html">CBLCameraProperty</a></span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">VideoFormatProperty</span> <span class="p">:</span> <span class="kt">CameraProperty</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLLiveViewZoomLevelProperty"></a>
<a name="//apple_ref/objc/Protocol/CBLLiveViewZoomLevelProperty" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLLiveViewZoomLevelProperty">CBLLiveViewZoomLevelProperty</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A property that exposes its values as universal live view zoom level values.</p>
<a href="Protocols/CBLLiveViewZoomLevelProperty.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLLiveViewZoomLevelProperty</span> <span class="o"><</span><span class="n"><a href="Protocols/CBLCameraProperty.html">CBLCameraProperty</a></span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">LiveViewZoomLevelProperty</span> <span class="p">:</span> <span class="kt">CameraProperty</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLPropertyValue"></a>
<a name="//apple_ref/objc/Protocol/CBLPropertyValue" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLPropertyValue">CBLPropertyValue</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A property value. This could either be the current value of a property, or something in the list of values that can be set.</p>
<a href="Protocols/CBLPropertyValue.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLPropertyValue</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
</div>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">PropertyValue</span> <span class="p">:</span> <span class="kt">NSObjectProtocol</span></code></pre>
</div>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/c:objc(pl)CBLExposurePropertyValue"></a>
<a name="//apple_ref/objc/Protocol/CBLExposurePropertyValue" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLExposurePropertyValue">CBLExposurePropertyValue</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>A property value that exposes its values as universal exposure values.</p>
<a href="Protocols/CBLExposurePropertyValue.html" class="slightly-smaller">See more</a>
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<h4>Declaration</h4>
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<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLExposurePropertyValue</span> <span class="o"><</span><span class="n"><a href="Protocols/CBLPropertyValue.html">CBLPropertyValue</a></span><span class="o">></span></code></pre>
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<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">ExposurePropertyValue</span> <span class="p">:</span> <span class="kt">PropertyValue</span></code></pre>
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<code>
<a name="/c:objc(pl)CBLVideoFormatPropertyValue"></a>
<a name="//apple_ref/objc/Protocol/CBLVideoFormatPropertyValue" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLVideoFormatPropertyValue">CBLVideoFormatPropertyValue</a>
</code>
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<div class="abstract">
<p>A property value that represents a video format description.</p>
<a href="Protocols/CBLVideoFormatPropertyValue.html" class="slightly-smaller">See more</a>
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<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Objective-C</p>
<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">CBLVideoFormatPropertyValue</span> <span class="o"><</span><span class="n"><a href="Protocols/CBLPropertyValue.html">CBLPropertyValue</a></span><span class="o">></span></code></pre>
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<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight swift"><code><span class="kd">protocol</span> <span class="kt">VideoFormatPropertyValue</span> <span class="p">:</span> <span class="kt">PropertyValue</span></code></pre>
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<code>
<a name="/c:objc(pl)CBLLiveViewZoomLevelPropertyValue"></a>
<a name="//apple_ref/objc/Protocol/CBLLiveViewZoomLevelPropertyValue" class="dashAnchor"></a>
<a class="token" href="#/c:objc(pl)CBLLiveViewZoomLevelPropertyValue">CBLLiveViewZoomLevelPropertyValue</a>
</code>
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