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CEF4Delphi/docs/html/uCEFAudioHandler.TCefAudioHandlerOwn.html
Salvador Díaz Fau 7093cc9a6a Update to CEF 122.1.8
2024-02-24 12:01:31 +01:00

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<title>cef4delphi: uCEFAudioHandler: Class TCefAudioHandlerOwn</title>
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<span id="TCefAudioHandlerOwn"></span><h1 class="cio">Class TCefAudioHandlerOwn</h1>
<div class="sections">
<div class="one_section"><a class="section" href="#PasDoc-Description">Description</a></div><div class="one_section"><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></div><div class="one_section">Fields</div><div class="one_section"><a class="section" href="#PasDoc-Methods">Methods</a></div><div class="one_section">Properties</div></div>
<span id="PasDoc-Description"></span><h2 class="unit">Unit</h2>
<p class="unitlink">
<a href="uCEFAudioHandler.html">uCEFAudioHandler</a></p>
<h2 class="declaration">Declaration</h2>
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<code>type TCefAudioHandlerOwn = class(<a class="normal" href="uCEFBaseRefCounted.TCefBaseRefCountedOwn.html">TCefBaseRefCountedOwn</a>, <a class="normal" href="uCEFInterfaces.ICefAudioHandler.html">ICefAudioHandler</a>)</code></p>
<h2 class="description">Description</h2>
<p class="nodescription">This item has no description.</p><span id="PasDoc-Hierarchy"></span><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">TInterfacedObject</li>
<li class="ancestor"><a class="normal" href="uCEFBaseRefCounted.TCefBaseRefCountedOwn.html">TCefBaseRefCountedOwn</a></li>
<li class="thisitem">TCefAudioHandlerOwn</li></ul><h2 class="overview">Overview</h2>
<span id="PasDoc-Methods"></span><h3 class="summary">Methods</h3>
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<td class="itemcode"><code>procedure <strong><a href="uCEFAudioHandler.TCefAudioHandlerOwn.html#OnGetAudioParameters-ICefBrowser-TCefAudioParameters-boolean-">OnGetAudioParameters</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; var params: <a href="uCEFTypes.TCefAudioParameters.html">TCefAudioParameters</a>; var aResult: boolean); virtual;</code></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFAudioHandler.TCefAudioHandlerOwn.html#OnAudioStreamStarted-ICefBrowser-TCefAudioParameters-integer-">OnAudioStreamStarted</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const params: <a href="uCEFTypes.TCefAudioParameters.html">TCefAudioParameters</a>; channels: integer); virtual;</code></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFAudioHandler.TCefAudioHandlerOwn.html#OnAudioStreamPacket-ICefBrowser-PPSingle-integer-int64-">OnAudioStreamPacket</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const data : <a href="uCEFTypes.html#PPSingle">PPSingle</a>; frames: integer; pts: int64); virtual;</code></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFAudioHandler.TCefAudioHandlerOwn.html#OnAudioStreamStopped-ICefBrowser-">OnAudioStreamStopped</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>); virtual;</code></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFAudioHandler.TCefAudioHandlerOwn.html#OnAudioStreamError-ICefBrowser-ustring-">OnAudioStreamError</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const message_: <a href="uCEFTypes.html#ustring">ustring</a>); virtual;</code></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFAudioHandler.TCefAudioHandlerOwn.html#RemoveReferences">RemoveReferences</a></strong>; virtual;</code></td>
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<td class="itemcode"><code>constructor <strong><a href="uCEFAudioHandler.TCefAudioHandlerOwn.html#Create">Create</a></strong>; virtual;</code></td>
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<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
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<td class="itemcode"><span id="OnGetAudioParameters-ICefBrowser-TCefAudioParameters-boolean-"></span><code>procedure <strong>OnGetAudioParameters</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; var params: <a href="uCEFTypes.TCefAudioParameters.html">TCefAudioParameters</a>; var aResult: boolean); virtual;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefAudioHandler.html#OnGetAudioParameters-ICefBrowser-TCefAudioParameters-boolean-">ICefAudioHandler.OnGetAudioParameters</a>.</p><p>
Called on the UI thread to allow configuration of audio stream parameters. Return true (1) to proceed with audio stream capture, or false (0) to cancel it. All members of |params| can optionally be configured here, but they are also pre-filled with some sensible defaults. </p>
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<td class="itemcode"><span id="OnAudioStreamStarted-ICefBrowser-TCefAudioParameters-integer-"></span><code>procedure <strong>OnAudioStreamStarted</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const params: <a href="uCEFTypes.TCefAudioParameters.html">TCefAudioParameters</a>; channels: integer); virtual;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefAudioHandler.html#OnAudioStreamStarted-ICefBrowser-TCefAudioParameters-integer-">ICefAudioHandler.OnAudioStreamStarted</a>.</p><p>
Called on a browser audio capture thread when the browser starts streaming audio. OnAudioStreamStopped will always be called after OnAudioStreamStarted; both functions may be called multiple times for the same browser. |params| contains the audio parameters like sample rate and channel layout. |channels| is the number of channels. </p>
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<td class="itemcode"><span id="OnAudioStreamPacket-ICefBrowser-PPSingle-integer-int64-"></span><code>procedure <strong>OnAudioStreamPacket</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const data : <a href="uCEFTypes.html#PPSingle">PPSingle</a>; frames: integer; pts: int64); virtual;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefAudioHandler.html#OnAudioStreamPacket-ICefBrowser-PPSingle-integer-int64-">ICefAudioHandler.OnAudioStreamPacket</a>.</p><p>
Called on the audio stream thread when a PCM packet is received for the stream. |data| is an array representing the raw PCM data as a floating point type, i.e. 4-byte value(s). |frames| is the number of frames in the PCM packet. |pts| is the presentation timestamp (in milliseconds since the Unix Epoch) and represents the time at which the decompressed packet should be presented to the user. Based on |frames| and the |channel_layout| value passed to OnAudioStreamStarted you can calculate the size of the |data| array in bytes. </p>
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<td class="itemcode"><span id="OnAudioStreamStopped-ICefBrowser-"></span><code>procedure <strong>OnAudioStreamStopped</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>); virtual;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefAudioHandler.html#OnAudioStreamStopped-ICefBrowser-">ICefAudioHandler.OnAudioStreamStopped</a>.</p><p>
Called on the UI thread when the stream has stopped. OnAudioSteamStopped will always be called after OnAudioStreamStarted; both functions may be called multiple times for the same stream. </p>
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<td class="itemcode"><span id="OnAudioStreamError-ICefBrowser-ustring-"></span><code>procedure <strong>OnAudioStreamError</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const message_: <a href="uCEFTypes.html#ustring">ustring</a>); virtual;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefAudioHandler.html#OnAudioStreamError-ICefBrowser-ustring-">ICefAudioHandler.OnAudioStreamError</a>.</p><p>
Called on the UI or audio stream thread when an error occurred. During the stream creation phase this callback will be called on the UI thread while in the capturing phase it will be called on the audio stream thread. The stream will be stopped immediately. </p>
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<td class="itemcode"><span id="RemoveReferences"></span><code>procedure <strong>RemoveReferences</strong>; virtual;</code></td>
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<p class="inheritdescription">This item has no description. Showing description inherited from <a class="normal" href="uCEFInterfaces.ICefAudioHandler.html#RemoveReferences">ICefAudioHandler.RemoveReferences</a>.</p><p>
Custom procedure to clear all references. </p>
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<td class="itemcode"><span id="Create"></span><code>constructor <strong>Create</strong>; virtual;</code></td>
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