Why Gemfury?
Push, build, and install
RubyGems
npm packages
Python packages
Maven artifacts
PHP packages
Go Modules
Debian packages
RPM packages
NuGet packages
showbox-public / ffmpeg-doc deb
Repository URL to install this package:
|
Version:
7:2.7.1-1ubuntu3 ▾
|
<!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">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>FFmpeg: libavcodec/vda.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
</head>
<body>
<div id="top"><!-- do not remove this div! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">FFmpeg
 <span id="projectnumber">2.7.1</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- Generated by Doxygen 1.7.6.1 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
<li><a href="examples.html"><span>Examples</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul>
</div>
</div>
<div class="header">
<div class="headertitle">
<div class="title">libavcodec/vda.h</div> </div>
</div><!--header-->
<div class="contents">
<a href="vda_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * VDA HW acceleration</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * copyright (c) 2011 Sebastien Zwickert</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This file is part of FFmpeg.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00010"></a>00010 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00019"></a>00019 <span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef AVCODEC_VDA_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define AVCODEC_VDA_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment">/**</span>
<a name="l00027"></a>00027 <span class="comment"> * @file</span>
<a name="l00028"></a>00028 <span class="comment"> * @ingroup lavc_codec_hwaccel_vda</span>
<a name="l00029"></a>00029 <span class="comment"> * Public libavcodec VDA header.</span>
<a name="l00030"></a>00030 <span class="comment"> */</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="libavcodec_2avcodec_8h.html" title="Libavcodec external API header.">libavcodec/avcodec.h</a>"</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor">#include <stdint.h></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="comment">// emmintrin.h is unable to compile with -std=c99 -Werror=missing-prototypes</span>
<a name="l00037"></a>00037 <span class="comment">// http://openradar.appspot.com/8026390</span>
<a name="l00038"></a>00038 <span class="preprocessor">#undef __GNUC_STDC_INLINE__</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a><a class="code" href="vda_8h.html#a63024b9f4f18a0420b1e71b49205d3ca">00040</a> <span class="preprocessor">#define Picture QuickdrawPicture</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#include <VideoDecodeAcceleration/VDADecoder.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#undef Picture</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "<a class="code" href="libavcodec_2version_8h.html" title="Libavcodec version macros.">libavcodec/version.h</a>"</span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="comment">// extra flags not defined in VDADecoder.h</span>
<a name="l00047"></a>00047 <span class="keyword">enum</span> {
<a name="l00048"></a><a class="code" href="vda_8h.html#adc29c2ff13d900c2f185ee95427fb06ca6a3d93ff5334fd34c1a863298cbc598b">00048</a> <a class="code" href="vda_8h.html#adc29c2ff13d900c2f185ee95427fb06ca6a3d93ff5334fd34c1a863298cbc598b">kVDADecodeInfo_Asynchronous</a> = 1UL << 0,
<a name="l00049"></a><a class="code" href="vda_8h.html#adc29c2ff13d900c2f185ee95427fb06ca03ffb3954e167c29e46c07251920ecbf">00049</a> <a class="code" href="vda_8h.html#adc29c2ff13d900c2f185ee95427fb06ca03ffb3954e167c29e46c07251920ecbf">kVDADecodeInfo_FrameDropped</a> = 1UL << 1
<a name="l00050"></a>00050 };
<a name="l00051"></a>00051 <span class="comment"></span>
<a name="l00052"></a>00052 <span class="comment">/**</span>
<a name="l00053"></a>00053 <span class="comment"> * @defgroup lavc_codec_hwaccel_vda VDA</span>
<a name="l00054"></a>00054 <span class="comment"> * @ingroup lavc_codec_hwaccel</span>
<a name="l00055"></a>00055 <span class="comment"> *</span>
<a name="l00056"></a>00056 <span class="comment"> * @{</span>
<a name="l00057"></a>00057 <span class="comment"> */</span>
<a name="l00058"></a>00058 <span class="comment"></span>
<a name="l00059"></a>00059 <span class="comment">/**</span>
<a name="l00060"></a>00060 <span class="comment"> * This structure is used to provide the necessary configurations and data</span>
<a name="l00061"></a>00061 <span class="comment"> * to the VDA FFmpeg HWAccel implementation.</span>
<a name="l00062"></a>00062 <span class="comment"> *</span>
<a name="l00063"></a>00063 <span class="comment"> * The application must make it available as AVCodecContext.hwaccel_context.</span>
<a name="l00064"></a>00064 <span class="comment"> */</span>
<a name="l00065"></a><a class="code" href="structvda__context.html">00065</a> <span class="keyword">struct </span><a class="code" href="structvda__context.html" title="This structure is used to provide the necessary configurations and data to the VDA FFmpeg HWAccel imp...">vda_context</a> {<span class="comment"></span>
<a name="l00066"></a>00066 <span class="comment"> /**</span>
<a name="l00067"></a>00067 <span class="comment"> * VDA decoder object.</span>
<a name="l00068"></a>00068 <span class="comment"> *</span>
<a name="l00069"></a>00069 <span class="comment"> * - encoding: unused</span>
<a name="l00070"></a>00070 <span class="comment"> * - decoding: Set/Unset by libavcodec.</span>
<a name="l00071"></a>00071 <span class="comment"> */</span>
<a name="l00072"></a><a class="code" href="structvda__context.html#a760651dcebd505fd9a4cdea29db99ebf">00072</a> VDADecoder <a class="code" href="structvda__context.html#a760651dcebd505fd9a4cdea29db99ebf" title="VDA decoder object.">decoder</a>;
<a name="l00073"></a>00073 <span class="comment"></span>
<a name="l00074"></a>00074 <span class="comment"> /**</span>
<a name="l00075"></a>00075 <span class="comment"> * The Core Video pixel buffer that contains the current image data.</span>
<a name="l00076"></a>00076 <span class="comment"> *</span>
<a name="l00077"></a>00077 <span class="comment"> * encoding: unused</span>
<a name="l00078"></a>00078 <span class="comment"> * decoding: Set by libavcodec. Unset by user.</span>
<a name="l00079"></a>00079 <span class="comment"> */</span>
<a name="l00080"></a><a class="code" href="structvda__context.html#af7d84ca967ed9591e45c036e7c579a6f">00080</a> CVPixelBufferRef <a class="code" href="structvda__context.html#af7d84ca967ed9591e45c036e7c579a6f" title="The Core Video pixel buffer that contains the current image data.">cv_buffer</a>;
<a name="l00081"></a>00081 <span class="comment"></span>
<a name="l00082"></a>00082 <span class="comment"> /**</span>
<a name="l00083"></a>00083 <span class="comment"> * Use the hardware decoder in synchronous mode.</span>
<a name="l00084"></a>00084 <span class="comment"> *</span>
<a name="l00085"></a>00085 <span class="comment"> * encoding: unused</span>
<a name="l00086"></a>00086 <span class="comment"> * decoding: Set by user.</span>
<a name="l00087"></a>00087 <span class="comment"> */</span>
<a name="l00088"></a><a class="code" href="structvda__context.html#a76a944387b0dfe2b1b690ff4ad9f646a">00088</a> <span class="keywordtype">int</span> <a class="code" href="structvda__context.html#a76a944387b0dfe2b1b690ff4ad9f646a" title="Use the hardware decoder in synchronous mode.">use_sync_decoding</a>;
<a name="l00089"></a>00089 <span class="comment"></span>
<a name="l00090"></a>00090 <span class="comment"> /**</span>
<a name="l00091"></a>00091 <span class="comment"> * The frame width.</span>
<a name="l00092"></a>00092 <span class="comment"> *</span>
<a name="l00093"></a>00093 <span class="comment"> * - encoding: unused</span>
<a name="l00094"></a>00094 <span class="comment"> * - decoding: Set/Unset by user.</span>
<a name="l00095"></a>00095 <span class="comment"> */</span>
<a name="l00096"></a><a class="code" href="structvda__context.html#a1f8c3055063a3492f0066766930fbce9">00096</a> <span class="keywordtype">int</span> <a class="code" href="structvda__context.html#a1f8c3055063a3492f0066766930fbce9" title="The frame width.">width</a>;
<a name="l00097"></a>00097 <span class="comment"></span>
<a name="l00098"></a>00098 <span class="comment"> /**</span>
<a name="l00099"></a>00099 <span class="comment"> * The frame height.</span>
<a name="l00100"></a>00100 <span class="comment"> *</span>
<a name="l00101"></a>00101 <span class="comment"> * - encoding: unused</span>
<a name="l00102"></a>00102 <span class="comment"> * - decoding: Set/Unset by user.</span>
<a name="l00103"></a>00103 <span class="comment"> */</span>
<a name="l00104"></a><a class="code" href="structvda__context.html#aa404ef10a896b154cd41829be525d0e3">00104</a> <span class="keywordtype">int</span> <a class="code" href="structvda__context.html#aa404ef10a896b154cd41829be525d0e3" title="The frame height.">height</a>;
<a name="l00105"></a>00105 <span class="comment"></span>
<a name="l00106"></a>00106 <span class="comment"> /**</span>
<a name="l00107"></a>00107 <span class="comment"> * The frame format.</span>
<a name="l00108"></a>00108 <span class="comment"> *</span>
<a name="l00109"></a>00109 <span class="comment"> * - encoding: unused</span>
<a name="l00110"></a>00110 <span class="comment"> * - decoding: Set/Unset by user.</span>
<a name="l00111"></a>00111 <span class="comment"> */</span>
<a name="l00112"></a><a class="code" href="structvda__context.html#a0ea444e176f930513b19de5e0468ab0f">00112</a> <span class="keywordtype">int</span> <a class="code" href="structvda__context.html#a0ea444e176f930513b19de5e0468ab0f" title="The frame format.">format</a>;
<a name="l00113"></a>00113 <span class="comment"></span>
<a name="l00114"></a>00114 <span class="comment"> /**</span>
<a name="l00115"></a>00115 <span class="comment"> * The pixel format for output image buffers.</span>
<a name="l00116"></a>00116 <span class="comment"> *</span>
<a name="l00117"></a>00117 <span class="comment"> * - encoding: unused</span>
<a name="l00118"></a>00118 <span class="comment"> * - decoding: Set/Unset by user.</span>
<a name="l00119"></a>00119 <span class="comment"> */</span>
<a name="l00120"></a><a class="code" href="structvda__context.html#aceddeda581e0e4757ca20bff6fa75883">00120</a> OSType <a class="code" href="structvda__context.html#aceddeda581e0e4757ca20bff6fa75883" title="The pixel format for output image buffers.">cv_pix_fmt_type</a>;
<a name="l00121"></a>00121 <span class="comment"></span>
<a name="l00122"></a>00122 <span class="comment"> /**</span>
<a name="l00123"></a>00123 <span class="comment"> * unused</span>
<a name="l00124"></a>00124 <span class="comment"> */</span>
<a name="l00125"></a><a class="code" href="structvda__context.html#a46bbc8f32ea0b46e98e04bfa3a15a141">00125</a> uint8_t *<a class="code" href="structvda__context.html#a46bbc8f32ea0b46e98e04bfa3a15a141" title="unused">priv_bitstream</a>;
<a name="l00126"></a>00126 <span class="comment"></span>
<a name="l00127"></a>00127 <span class="comment"> /**</span>
<a name="l00128"></a>00128 <span class="comment"> * unused</span>
<a name="l00129"></a>00129 <span class="comment"> */</span>
<a name="l00130"></a><a class="code" href="structvda__context.html#a625ea817b807502f9fbf764c882b1bf7">00130</a> <span class="keywordtype">int</span> <a class="code" href="structvda__context.html#a625ea817b807502f9fbf764c882b1bf7" title="unused">priv_bitstream_size</a>;
<a name="l00131"></a>00131 <span class="comment"></span>
<a name="l00132"></a>00132 <span class="comment"> /**</span>
<a name="l00133"></a>00133 <span class="comment"> * unused</span>
<a name="l00134"></a>00134 <span class="comment"> */</span>
<a name="l00135"></a><a class="code" href="structvda__context.html#a4c3ea7e9a9286d2579f41915337fe229">00135</a> <span class="keywordtype">int</span> <a class="code" href="structvda__context.html#a4c3ea7e9a9286d2579f41915337fe229" title="unused">priv_allocated_size</a>;
<a name="l00136"></a>00136 <span class="comment"></span>
<a name="l00137"></a>00137 <span class="comment"> /**</span>
<a name="l00138"></a>00138 <span class="comment"> * Use av_buffer to manage buffer.</span>
<a name="l00139"></a>00139 <span class="comment"> * When the flag is set, the CVPixelBuffers returned by the decoder will</span>
<a name="l00140"></a>00140 <span class="comment"> * be released automatically, so you have to retain them if necessary.</span>
<a name="l00141"></a>00141 <span class="comment"> * Not setting this flag may cause memory leak.</span>
<a name="l00142"></a>00142 <span class="comment"> *</span>
<a name="l00143"></a>00143 <span class="comment"> * encoding: unused</span>
<a name="l00144"></a>00144 <span class="comment"> * decoding: Set by user.</span>
<a name="l00145"></a>00145 <span class="comment"> */</span>
<a name="l00146"></a><a class="code" href="structvda__context.html#a59cd6ad473ff9041df27a7fd92dd6b5d">00146</a> <span class="keywordtype">int</span> <a class="code" href="structvda__context.html#a59cd6ad473ff9041df27a7fd92dd6b5d" title="Use av_buffer to manage buffer.">use_ref_buffer</a>;
<a name="l00147"></a>00147 };
<a name="l00148"></a>00148 <span class="comment"></span>
<a name="l00149"></a>00149 <span class="comment">/** Create the video decoder. */</span>
<a name="l00150"></a>00150 <span class="keywordtype">int</span> <a class="code" href="group__lavc__codec__hwaccel__vda.html#gac1efc3b9787748648228c97845fc4c52" title="Create the video decoder.">ff_vda_create_decoder</a>(<span class="keyword">struct</span> <a class="code" href="structvda__context.html" title="This structure is used to provide the necessary configurations and data to the VDA FFmpeg HWAccel imp...">vda_context</a> *vda_ctx,
<a name="l00151"></a>00151 uint8_t *extradata,
<a name="l00152"></a>00152 <span class="keywordtype">int</span> extradata_size);
<a name="l00153"></a>00153 <span class="comment"></span>
<a name="l00154"></a>00154 <span class="comment">/** Destroy the video decoder. */</span>
<a name="l00155"></a>00155 <span class="keywordtype">int</span> <a class="code" href="group__lavc__codec__hwaccel__vda.html#ga032d202aa5c1eea108b6305670bc3322" title="Destroy the video decoder.">ff_vda_destroy_decoder</a>(<span class="keyword">struct</span> <a class="code" href="structvda__context.html" title="This structure is used to provide the necessary configurations and data to the VDA FFmpeg HWAccel imp...">vda_context</a> *vda_ctx);
<a name="l00156"></a>00156 <span class="comment"></span>
<a name="l00157"></a>00157 <span class="comment">/**</span>
<a name="l00158"></a>00158 <span class="comment"> * This struct holds all the information that needs to be passed</span>
<a name="l00159"></a>00159 <span class="comment"> * between the caller and libavcodec for initializing VDA decoding.</span>
<a name="l00160"></a>00160 <span class="comment"> * Its size is not a part of the public ABI, it must be allocated with</span>
<a name="l00161"></a>00161 <span class="comment"> * av_vda_alloc_context() and freed with av_free().</span>
<a name="l00162"></a>00162 <span class="comment"> */</span>
<a name="l00163"></a><a class="code" href="structAVVDAContext.html">00163</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structAVVDAContext.html" title="This struct holds all the information that needs to be passed between the caller and libavcodec for i...">AVVDAContext</a> {<span class="comment"></span>
<a name="l00164"></a>00164 <span class="comment"> /**</span>
<a name="l00165"></a>00165 <span class="comment"> * VDA decoder object. Created and freed by the caller.</span>
<a name="l00166"></a>00166 <span class="comment"> */</span>
<a name="l00167"></a><a class="code" href="structAVVDAContext.html#a49170ce635bd3e9920c7b16e1cfc2949">00167</a> VDADecoder <a class="code" href="structAVVDAContext.html#a49170ce635bd3e9920c7b16e1cfc2949" title="VDA decoder object.">decoder</a>;
<a name="l00168"></a>00168 <span class="comment"></span>
<a name="l00169"></a>00169 <span class="comment"> /**</span>
<a name="l00170"></a>00170 <span class="comment"> * The output callback that must be passed to VDADecoderCreate.</span>
<a name="l00171"></a>00171 <span class="comment"> * Set by av_vda_alloc_context().</span>
<a name="l00172"></a>00172 <span class="comment"> */</span>
<a name="l00173"></a><a class="code" href="structAVVDAContext.html#ada9b5570a8479ed382a2055eafffebe4">00173</a> VDADecoderOutputCallback <a class="code" href="structAVVDAContext.html#ada9b5570a8479ed382a2055eafffebe4" title="The output callback that must be passed to VDADecoderCreate.">output_callback</a>;
<a name="l00174"></a>00174 <span class="comment"></span>
<a name="l00175"></a>00175 <span class="comment"> /**</span>
<a name="l00176"></a>00176 <span class="comment"> * CVPixelBuffer Format Type that VDA will use for decoded frames; set by</span>
<a name="l00177"></a>00177 <span class="comment"> * the caller.</span>
<a name="l00178"></a>00178 <span class="comment"> */</span>
<a name="l00179"></a><a class="code" href="structAVVDAContext.html#aa2b792a9af32234b5c10f114ae777698">00179</a> OSType <a class="code" href="structAVVDAContext.html#aa2b792a9af32234b5c10f114ae777698" title="CVPixelBuffer Format Type that VDA will use for decoded frames; set by the caller.">cv_pix_fmt_type</a>;
<a name="l00180"></a>00180 } <a class="code" href="structAVVDAContext.html" title="This struct holds all the information that needs to be passed between the caller and libavcodec for i...">AVVDAContext</a>;
<a name="l00181"></a>00181 <span class="comment"></span>
<a name="l00182"></a>00182 <span class="comment">/**</span>
<a name="l00183"></a>00183 <span class="comment"> * Allocate and initialize a VDA context.</span>
<a name="l00184"></a>00184 <span class="comment"> *</span>
<a name="l00185"></a>00185 <span class="comment"> * This function should be called from the get_format() callback when the caller</span>
<a name="l00186"></a>00186 <span class="comment"> * selects the AV_PIX_FMT_VDA format. The caller must then create the decoder</span>
<a name="l00187"></a>00187 <span class="comment"> * object (using the output callback provided by libavcodec) that will be used</span>
<a name="l00188"></a>00188 <span class="comment"> * for VDA-accelerated decoding.</span>
<a name="l00189"></a>00189 <span class="comment"> *</span>
<a name="l00190"></a>00190 <span class="comment"> * When decoding with VDA is finished, the caller must destroy the decoder</span>
<a name="l00191"></a>00191 <span class="comment"> * object and free the VDA context using av_free().</span>
<a name="l00192"></a>00192 <span class="comment"> *</span>
<a name="l00193"></a>00193 <span class="comment"> * @return the newly allocated context or NULL on failure</span>
<a name="l00194"></a>00194 <span class="comment"> */</span>
<a name="l00195"></a>00195 <a class="code" href="structAVVDAContext.html" title="This struct holds all the information that needs to be passed between the caller and libavcodec for i...">AVVDAContext</a> *<a class="code" href="group__lavc__codec__hwaccel__vda.html#ga406d1f99d8c74fbeb2bb6992817d02b3" title="Allocate and initialize a VDA context.">av_vda_alloc_context</a>(<span class="keywordtype">void</span>);
<a name="l00196"></a>00196 <span class="comment"></span>
<a name="l00197"></a>00197 <span class="comment">/**</span>
<a name="l00198"></a>00198 <span class="comment"> * This is a convenience function that creates and sets up the VDA context using</span>
<a name="l00199"></a>00199 <span class="comment"> * an internal implementation.</span>
<a name="l00200"></a>00200 <span class="comment"> *</span>
<a name="l00201"></a>00201 <span class="comment"> * @param avctx the corresponding codec context</span>
<a name="l00202"></a>00202 <span class="comment"> *</span>
<a name="l00203"></a>00203 <span class="comment"> * @return >= 0 on success, a negative AVERROR code on failure</span>
<a name="l00204"></a>00204 <span class="comment"> */</span>
<a name="l00205"></a>00205 <span class="keywordtype">int</span> <a class="code" href="group__lavc__codec__hwaccel__vda.html#ga50f5cd66fd40a76ffb1d419475c04cd4" title="This is a convenience function that creates and sets up the VDA context using an internal implementat...">av_vda_default_init</a>(<a class="code" href="structAVCodecContext.html" title="main external API structure.">AVCodecContext</a> *avctx);
<a name="l00206"></a>00206 <span class="comment"></span>
<a name="l00207"></a>00207 <span class="comment">/**</span>
<a name="l00208"></a>00208 <span class="comment"> * This is a convenience function that creates and sets up the VDA context using</span>
<a name="l00209"></a>00209 <span class="comment"> * an internal implementation.</span>
<a name="l00210"></a>00210 <span class="comment"> *</span>
<a name="l00211"></a>00211 <span class="comment"> * @param avctx the corresponding codec context</span>
<a name="l00212"></a>00212 <span class="comment"> * @param vdactx the VDA context to use</span>
<a name="l00213"></a>00213 <span class="comment"> *</span>
<a name="l00214"></a>00214 <span class="comment"> * @return >= 0 on success, a negative AVERROR code on failure</span>
<a name="l00215"></a>00215 <span class="comment"> */</span>
<a name="l00216"></a>00216 <span class="keywordtype">int</span> <a class="code" href="group__lavc__codec__hwaccel__vda.html#ga6df74ab297f8ed873d7d06f75736fb6e" title="This is a convenience function that creates and sets up the VDA context using an internal implementat...">av_vda_default_init2</a>(<a class="code" href="structAVCodecContext.html" title="main external API structure.">AVCodecContext</a> *avctx, <a class="code" href="structAVVDAContext.html" title="This struct holds all the information that needs to be passed between the caller and libavcodec for i...">AVVDAContext</a> *vdactx);
<a name="l00217"></a>00217 <span class="comment"></span>
<a name="l00218"></a>00218 <span class="comment">/**</span>
<a name="l00219"></a>00219 <span class="comment"> * This function must be called to free the VDA context initialized with</span>
<a name="l00220"></a>00220 <span class="comment"> * av_vda_default_init().</span>
<a name="l00221"></a>00221 <span class="comment"> *</span>
<a name="l00222"></a>00222 <span class="comment"> * @param avctx the corresponding codec context</span>
<a name="l00223"></a>00223 <span class="comment"> */</span>
<a name="l00224"></a>00224 <span class="keywordtype">void</span> <a class="code" href="group__lavc__codec__hwaccel__vda.html#ga322e94626395443ebb900e4034ec5096" title="This function must be called to free the VDA context initialized with av_vda_default_init().">av_vda_default_free</a>(<a class="code" href="structAVCodecContext.html" title="main external API structure.">AVCodecContext</a> *avctx);
<a name="l00225"></a>00225 <span class="comment"></span>
<a name="l00226"></a>00226 <span class="comment">/**</span>
<a name="l00227"></a>00227 <span class="comment"> * @}</span>
<a name="l00228"></a>00228 <span class="comment"> */</span>
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <span class="preprocessor">#endif </span><span class="comment">/* AVCODEC_VDA_H */</span>
</pre></div></div><!-- contents -->
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Defines</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<hr class="footer"/><address class="footer"><small>
Generated by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.7.6.1
</small></address>
</body>
</html>