SherbyNet - /page/wikibook/entry.mu

Micron Document

<!DOCTYPE html>

<title>Distributed Codec Engine</title>

</head>

<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Distributed Codec Engine</span></span>

</h1>

</header>

/* start https://en.wikipedia.org/ */

.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}

/* end https://en.wikipedia.org/ */

</style><table class="infobox vevent"><tbody><tr><th colspan="2" class="infobox-above summary">libdce</th></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Repository_(version_control)" title="Repository (version control)">Repository</a></th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">

/* start https://en.wikipedia.org/ */

.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}

/* end https://en.wikipedia.org/ */

</style><div class="plainlist"><ul><li><span class="url"><a rel="nofollow" class="external text" href="https://github.com/robclark/libdce">github<wbr>.com<wbr>/robclark<wbr>/libdce</a></span> </li></ul>

</div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Written in</th><td class="infobox-data"><a href="C_(programming_language)" title="C (programming language)">C</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data"><a href="Unix-like" title="Unix-like">Unix-like</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data"><a href="Library_(computing)" title="Library (computing)">Library</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="BSD_licenses" title="BSD licenses">Revised BSD License</a> and some additional terms</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://github.com/robclark/libdce">github<wbr>.com<wbr>/robclark<wbr>/libdce</a></span></td></tr></tbody></table>

<p><b>Distributed Codec Engine (DCE)</b> is an <a href="Application_programming_interface" class="mw-redirect" title="Application programming interface">API</a> and its implementation as <a href="Library_(computing)" title="Library (computing)">software library</a> ("<i>libdce</i>") by <a href="Texas_Instruments" title="Texas Instruments">Texas Instruments</a>. The library was released under the <a href="BSD_licenses" title="BSD licenses">Revised BSD License</a> and some additional terms.

</p><p>It enables and provides remote access to hardware acceleration for audio and video decoding on the IVA-HD in <a href="OMAP" title="OMAP">OMAP4</a>-based platforms via a syslink/rcm <a href="Shim_(computing)" title="Shim (computing)">shim</a> layer accessing the OMAP's Codec Engine API codec interface on the co-processor (Ducati/M3) from the host under <a href="Linux" title="Linux">Linux</a> without needing <a href="OpenMAX" title="OpenMAX">OpenMAX</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-libdce_and_gst-ducati_2-0" class="reference"><a href="#cite_note-libdce_and_gst-ducati-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The "Ducati subsystem" comprises two <a href="ARM_Cortex-M3" class="mw-redirect" title="ARM Cortex-M3">ARM Cortex-M3</a> processors (CPUs), and the <a href="Application-specific_integrated_circuit" title="Application-specific integrated circuit">ASICs</a> IVA-HD and ISS.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>

</p>

<div class="mw-heading mw-heading2"><h2 id="Software_supporting_DCE">Software supporting DCE</h2></div>

<ul><li>gst-ducati, a <a href="GStreamer" title="GStreamer">GStreamer</a> plugin for OMAP4 using libdce<sup id="cite_ref-libdce_and_gst-ducati_2-1" class="reference"><a href="#cite_note-libdce_and_gst-ducati-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li>

<li>omapfbplay, a video player for OMAP using <a href="Video4Linux" title="Video4Linux">Video4Linux</a> (V4L)<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></li></ul>

<ul><li><a href="OMAP" title="OMAP">OMAP</a> SoC hardware by <a href="Texas_Instruments" title="Texas Instruments">Texas Instruments</a> that supports libdce</li>

<li><a href="Video_Acceleration_API" title="Video Acceleration API">Video Acceleration API (VA API)</a> – an alternative video acceleration API for Linux/UNIX operating-system.</li>

<li><a href="VDPAU" title="VDPAU">VDPAU (Video Decode and Presentation API for Unix)</a></li>

<li><a href="X-Video_Bitstream_Acceleration" title="X-Video Bitstream Acceleration">X-Video Bitstream Acceleration (XvBA)</a></li>

<li><a href="X-Video_Motion_Compensation" title="X-Video Motion Compensation">X-Video Motion Compensation</a> (XvMC)</li>

<li><a href="DirectX_Video_Acceleration" title="DirectX Video Acceleration">DirectX Video Acceleration (DxVA) API</a> - <a href="Microsoft_Windows" title="Microsoft Windows">Microsoft Windows</a> analogue</li>

<li>Video Decode Acceleration Framework is <a href="Apple_Inc." title="Apple Inc.">Apple Inc.s</a> API for hardware-accelerated decoding of H.264 on <a href="MacOS" title="MacOS">macOS</a></li>

<li>VideoToolbox is an API from <a href="Apple_Inc." title="Apple Inc.">Apple Inc.</a> for hardware-accelerated decoding on <a href="Apple_TV" title="Apple TV">Apple TV</a> and <a href="MacOS" title="MacOS">macOS</a><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></li>

<li>OpenVideo Decode (OVD) – a new open cross-platform video acceleration API from <a href="AMD" title="AMD">AMD</a>.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></li>

<li><a href="OpenMAX_IL" class="mw-redirect" title="OpenMAX IL">OpenMAX IL (Open Media Acceleration Integration Layer)</a> - a royalty-free cross-platform media abstraction API from the <a href="Khronos_Group" title="Khronos Group">Khronos Group</a></li>

<li><a href="Nvidia_PureVideo" title="Nvidia PureVideo">Nvidia PureVideo</a> - the <a href="Stream_processing" title="Stream processing">bit-stream technology</a> from <a href="NVIDIA" class="mw-redirect" title="NVIDIA">NVIDIA</a> used in their graphics chips to accelerate video decoding on hardware <a href="Graphics_processing_unit" title="Graphics processing unit">GPU</a>.</li>

<li><a href="Unified_Video_Decoder" title="Unified Video Decoder">UVD (Unified Video Decoder)</a> - the <a href="Stream_processing" title="Stream processing">bit-stream technology</a> from <a href="ATI_Technologies" title="ATI Technologies">ATI Technologies</a> used in their graphics chips to accelerate video decoding on hardware <a href="Graphics_processing_unit" title="Graphics processing unit">GPU</a>.</li></ul>

<div class="mw-heading mw-heading2"><h2 id="License">License</h2></div>

<p>It uses a custom vanity license. It does not use an established free open source software license.

</p>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

/* start https://en.wikipedia.org/ */

.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}

/* end https://en.wikipedia.org/ */

</style><div class="reflist reflist-columns references-column-width reflist-columns-2">

/* start https://en.wikipedia.org/ */

.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("./mw/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("./mw/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("./mw/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("./mw/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}

/* end https://en.wikipedia.org/ */

</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.phoronix.com/scan.php?page=news_item&px=MTAzNjY">"libdce: The Distributed Codec Engine"</a>. <i><a href="Phoronix" class="mw-redirect" title="Phoronix">Phoronix</a></i>. 2012-01-03.</cite></span>

</li>

<li id="cite_note-libdce_and_gst-ducati-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-libdce_and_gst-ducati_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-libdce_and_gst-ducati_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://bloggingthemonkey.blogspot.com/2010/11/announcing-libdce-and-gst-ducati.html">"Announcing libdce and gst-ducati"</a>. <i>Rob Clark</i>. 2010-11-27.</cite></span>

</li>

<li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external free" href="http://pandaboard.org/content/libdce">http://pandaboard.org/content/libdce</a> libdce</span>

</li>

<li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://omappedia.org/wiki/Ducati_For_Dummies">"The Ducati subsystem – Introcution"</a>.</cite></span>

</li>

<li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://github.com/robclark/gst-ducati">"gst-ducati on github"</a>. <i><a href="GitHub" title="GitHub">GitHub</a></i>.</cite></span>

</li>

<li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://git.mansr.com/?p=omapfbplay">"Video player for OMAP framebuffer"</a>.</cite></span>

</li>

<li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://developer.apple.com/documentation/videotoolbox">"VideoToolbox - Apple Developer Documentation"</a>. <i>developer.apple.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2018-08-05</span></span>.</cite></span>

</li>

<li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external free" href="http://developer.amd.com/gpu/AMDAPPSDK/assets/OpenVideo_Decode_API.PDF">http://developer.amd.com/gpu/AMDAPPSDK/assets/OpenVideo_Decode_API.PDF</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110409080000/http://developer.amd.com/gpu/AMDAPPSDK/assets/OpenVideo_Decode_API.PDF">Archived</a> 2011-04-09 at the <a href="Wayback_Machine" title="Wayback Machine">Wayback Machine</a> OpenVideo Decode (OVD) API</span>

</li>

</ol></div>

<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>

<ul><li><a rel="nofollow" class="external free" href="https://github.com/robclark/libdce">https://github.com/robclark/libdce</a></li>

<li><a rel="nofollow" class="external free" href="http://omappedia.org/wiki/DistributedCodecEngine">http://omappedia.org/wiki/DistributedCodecEngine</a></li></ul></div><div><div class="zim-footer">

This article is issued from <a class="external text" title="Last edited on 2024-03-15" href="https://en.wikipedia.org/wiki/?title=Distributed_Codec_Engine&oldid=1213904526">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.

</div>

</div></div>

</div>

</main>

</div>

</body></html>