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<a href="vaapi_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"> * Video Acceleration API (shared data between FFmpeg and the video player)</span>
<a name="l00003"></a>00003 <span class="comment"> * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2008-2009 Splitted-Desktop Systems</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * This file is part of FFmpeg.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span>
<a name="l00010"></a>00010 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00011"></a>00011 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00012"></a>00012 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00017"></a>00017 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00020"></a>00020 <span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span>
<a name="l00021"></a>00021 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00022"></a>00022 <span class="comment"> */</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#ifndef AVCODEC_VAAPI_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define AVCODEC_VAAPI_H</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment">/**</span>
<a name="l00028"></a>00028 <span class="comment"> * @file</span>
<a name="l00029"></a>00029 <span class="comment"> * @ingroup lavc_codec_hwaccel_vaapi</span>
<a name="l00030"></a>00030 <span class="comment"> * Public libavcodec VA API header.</span>
<a name="l00031"></a>00031 <span class="comment"> */</span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#include <stdint.h></span>
<a name="l00034"></a>00034 <span class="comment"></span>
<a name="l00035"></a>00035 <span class="comment">/**</span>
<a name="l00036"></a>00036 <span class="comment"> * @defgroup lavc_codec_hwaccel_vaapi VA API Decoding</span>
<a name="l00037"></a>00037 <span class="comment"> * @ingroup lavc_codec_hwaccel</span>
<a name="l00038"></a>00038 <span class="comment"> * @{</span>
<a name="l00039"></a>00039 <span class="comment"> */</span>
<a name="l00040"></a>00040 <span class="comment"></span>
<a name="l00041"></a>00041 <span class="comment">/**</span>
<a name="l00042"></a>00042 <span class="comment"> * This structure is used to share data between the FFmpeg library and</span>
<a name="l00043"></a>00043 <span class="comment"> * the client video application.</span>
<a name="l00044"></a>00044 <span class="comment"> * This shall be zero-allocated and available as</span>
<a name="l00045"></a>00045 <span class="comment"> * AVCodecContext.hwaccel_context. All user members can be set once</span>
<a name="l00046"></a>00046 <span class="comment"> * during initialization or through each AVCodecContext.get_buffer()</span>
<a name="l00047"></a>00047 <span class="comment"> * function call. In any case, they must be valid prior to calling</span>
<a name="l00048"></a>00048 <span class="comment"> * decoding functions.</span>
<a name="l00049"></a>00049 <span class="comment"> */</span>
<a name="l00050"></a><a class="code" href="structvaapi__context.html">00050</a> <span class="keyword">struct </span><a class="code" href="structvaapi__context.html" title="This structure is used to share data between the FFmpeg library and the client video application...">vaapi_context</a> {<span class="comment"></span>
<a name="l00051"></a>00051 <span class="comment"> /**</span>
<a name="l00052"></a>00052 <span class="comment"> * Window system dependent data</span>
<a name="l00053"></a>00053 <span class="comment"> *</span>
<a name="l00054"></a>00054 <span class="comment"> * - encoding: unused</span>
<a name="l00055"></a>00055 <span class="comment"> * - decoding: Set by user</span>
<a name="l00056"></a>00056 <span class="comment"> */</span>
<a name="l00057"></a><a class="code" href="structvaapi__context.html#ad16240a71f568ffdb98dc7cc7d231180">00057</a> <span class="keywordtype">void</span> *<a class="code" href="structvaapi__context.html#ad16240a71f568ffdb98dc7cc7d231180" title="Window system dependent data.">display</a>;
<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"> * Configuration ID</span>
<a name="l00061"></a>00061 <span class="comment"> *</span>
<a name="l00062"></a>00062 <span class="comment"> * - encoding: unused</span>
<a name="l00063"></a>00063 <span class="comment"> * - decoding: Set by user</span>
<a name="l00064"></a>00064 <span class="comment"> */</span>
<a name="l00065"></a><a class="code" href="structvaapi__context.html#a8523abca4746125bb1458a13bee1a1bd">00065</a> uint32_t <a class="code" href="structvaapi__context.html#a8523abca4746125bb1458a13bee1a1bd" title="Configuration ID.">config_id</a>;
<a name="l00066"></a>00066 <span class="comment"></span>
<a name="l00067"></a>00067 <span class="comment"> /**</span>
<a name="l00068"></a>00068 <span class="comment"> * Context ID (video decode pipeline)</span>
<a name="l00069"></a>00069 <span class="comment"> *</span>
<a name="l00070"></a>00070 <span class="comment"> * - encoding: unused</span>
<a name="l00071"></a>00071 <span class="comment"> * - decoding: Set by user</span>
<a name="l00072"></a>00072 <span class="comment"> */</span>
<a name="l00073"></a><a class="code" href="structvaapi__context.html#a2574735bdd4c51910ce627a6f1ec0b63">00073</a> uint32_t <a class="code" href="structvaapi__context.html#a2574735bdd4c51910ce627a6f1ec0b63" title="Context ID (video decode pipeline)">context_id</a>;
<a name="l00074"></a>00074 <span class="comment"></span>
<a name="l00075"></a>00075 <span class="comment"> /**</span>
<a name="l00076"></a>00076 <span class="comment"> * VAPictureParameterBuffer ID</span>
<a name="l00077"></a>00077 <span class="comment"> *</span>
<a name="l00078"></a>00078 <span class="comment"> * - encoding: unused</span>
<a name="l00079"></a>00079 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00080"></a>00080 <span class="comment"> */</span>
<a name="l00081"></a><a class="code" href="structvaapi__context.html#ad674d4caefd1f4a1de37e5c05e595194">00081</a> uint32_t <a class="code" href="structvaapi__context.html#ad674d4caefd1f4a1de37e5c05e595194" title="VAPictureParameterBuffer ID.">pic_param_buf_id</a>;
<a name="l00082"></a>00082 <span class="comment"></span>
<a name="l00083"></a>00083 <span class="comment"> /**</span>
<a name="l00084"></a>00084 <span class="comment"> * VAIQMatrixBuffer ID</span>
<a name="l00085"></a>00085 <span class="comment"> *</span>
<a name="l00086"></a>00086 <span class="comment"> * - encoding: unused</span>
<a name="l00087"></a>00087 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00088"></a>00088 <span class="comment"> */</span>
<a name="l00089"></a><a class="code" href="structvaapi__context.html#a0182841a5d2ad71f35257f97eb9a2ebc">00089</a> uint32_t <a class="code" href="structvaapi__context.html#a0182841a5d2ad71f35257f97eb9a2ebc" title="VAIQMatrixBuffer ID.">iq_matrix_buf_id</a>;
<a name="l00090"></a>00090 <span class="comment"></span>
<a name="l00091"></a>00091 <span class="comment"> /**</span>
<a name="l00092"></a>00092 <span class="comment"> * VABitPlaneBuffer ID (for VC-1 decoding)</span>
<a name="l00093"></a>00093 <span class="comment"> *</span>
<a name="l00094"></a>00094 <span class="comment"> * - encoding: unused</span>
<a name="l00095"></a>00095 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00096"></a>00096 <span class="comment"> */</span>
<a name="l00097"></a><a class="code" href="structvaapi__context.html#a94c78d1c8fffa43a4d816b1a5182e31c">00097</a> uint32_t <a class="code" href="structvaapi__context.html#a94c78d1c8fffa43a4d816b1a5182e31c" title="VABitPlaneBuffer ID (for VC-1 decoding)">bitplane_buf_id</a>;
<a name="l00098"></a>00098 <span class="comment"></span>
<a name="l00099"></a>00099 <span class="comment"> /**</span>
<a name="l00100"></a>00100 <span class="comment"> * Slice parameter/data buffer IDs</span>
<a name="l00101"></a>00101 <span class="comment"> *</span>
<a name="l00102"></a>00102 <span class="comment"> * - encoding: unused</span>
<a name="l00103"></a>00103 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00104"></a>00104 <span class="comment"> */</span>
<a name="l00105"></a><a class="code" href="structvaapi__context.html#adc452028b6218a76c8ec270f8311b15f">00105</a> uint32_t *<a class="code" href="structvaapi__context.html#adc452028b6218a76c8ec270f8311b15f" title="Slice parameter/data buffer IDs.">slice_buf_ids</a>;
<a name="l00106"></a>00106 <span class="comment"></span>
<a name="l00107"></a>00107 <span class="comment"> /**</span>
<a name="l00108"></a>00108 <span class="comment"> * Number of effective slice buffer IDs to send to the HW</span>
<a name="l00109"></a>00109 <span class="comment"> *</span>
<a name="l00110"></a>00110 <span class="comment"> * - encoding: unused</span>
<a name="l00111"></a>00111 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00112"></a>00112 <span class="comment"> */</span>
<a name="l00113"></a><a class="code" href="structvaapi__context.html#aee70c2c0dab6a499d2692e46fc0c0cca">00113</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structvaapi__context.html#aee70c2c0dab6a499d2692e46fc0c0cca" title="Number of effective slice buffer IDs to send to the HW.">n_slice_buf_ids</a>;
<a name="l00114"></a>00114 <span class="comment"></span>
<a name="l00115"></a>00115 <span class="comment"> /**</span>
<a name="l00116"></a>00116 <span class="comment"> * Size of pre-allocated slice_buf_ids</span>
<a name="l00117"></a>00117 <span class="comment"> *</span>
<a name="l00118"></a>00118 <span class="comment"> * - encoding: unused</span>
<a name="l00119"></a>00119 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00120"></a>00120 <span class="comment"> */</span>
<a name="l00121"></a><a class="code" href="structvaapi__context.html#a4eb08e120d10e1ca3f0692cf9eba826a">00121</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structvaapi__context.html#a4eb08e120d10e1ca3f0692cf9eba826a" title="Size of pre-allocated slice_buf_ids.">slice_buf_ids_alloc</a>;
<a name="l00122"></a>00122 <span class="comment"></span>
<a name="l00123"></a>00123 <span class="comment"> /**</span>
<a name="l00124"></a>00124 <span class="comment"> * Pointer to VASliceParameterBuffers</span>
<a name="l00125"></a>00125 <span class="comment"> *</span>
<a name="l00126"></a>00126 <span class="comment"> * - encoding: unused</span>
<a name="l00127"></a>00127 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00128"></a>00128 <span class="comment"> */</span>
<a name="l00129"></a><a class="code" href="structvaapi__context.html#a0d9697f059f448fa6863787ce8f03bd5">00129</a> <span class="keywordtype">void</span> *<a class="code" href="structvaapi__context.html#a0d9697f059f448fa6863787ce8f03bd5" title="Pointer to VASliceParameterBuffers.">slice_params</a>;
<a name="l00130"></a>00130 <span class="comment"></span>
<a name="l00131"></a>00131 <span class="comment"> /**</span>
<a name="l00132"></a>00132 <span class="comment"> * Size of a VASliceParameterBuffer element</span>
<a name="l00133"></a>00133 <span class="comment"> *</span>
<a name="l00134"></a>00134 <span class="comment"> * - encoding: unused</span>
<a name="l00135"></a>00135 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00136"></a>00136 <span class="comment"> */</span>
<a name="l00137"></a><a class="code" href="structvaapi__context.html#a0bad2e1063982d9c1c28964fb0cf402b">00137</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structvaapi__context.html#a0bad2e1063982d9c1c28964fb0cf402b" title="Size of a VASliceParameterBuffer element.">slice_param_size</a>;
<a name="l00138"></a>00138 <span class="comment"></span>
<a name="l00139"></a>00139 <span class="comment"> /**</span>
<a name="l00140"></a>00140 <span class="comment"> * Size of pre-allocated slice_params</span>
<a name="l00141"></a>00141 <span class="comment"> *</span>
<a name="l00142"></a>00142 <span class="comment"> * - encoding: unused</span>
<a name="l00143"></a>00143 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00144"></a>00144 <span class="comment"> */</span>
<a name="l00145"></a><a class="code" href="structvaapi__context.html#aeafe25a810ba11d4b81f12cd940d6313">00145</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structvaapi__context.html#aeafe25a810ba11d4b81f12cd940d6313" title="Size of pre-allocated slice_params.">slice_params_alloc</a>;
<a name="l00146"></a>00146 <span class="comment"></span>
<a name="l00147"></a>00147 <span class="comment"> /**</span>
<a name="l00148"></a>00148 <span class="comment"> * Number of slices currently filled in</span>
<a name="l00149"></a>00149 <span class="comment"> *</span>
<a name="l00150"></a>00150 <span class="comment"> * - encoding: unused</span>
<a name="l00151"></a>00151 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00152"></a>00152 <span class="comment"> */</span>
<a name="l00153"></a><a class="code" href="structvaapi__context.html#ab4dc6ff8af4a58cf53520f7b6435e6dd">00153</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structvaapi__context.html#ab4dc6ff8af4a58cf53520f7b6435e6dd" title="Number of slices currently filled in.">slice_count</a>;
<a name="l00154"></a>00154 <span class="comment"></span>
<a name="l00155"></a>00155 <span class="comment"> /**</span>
<a name="l00156"></a>00156 <span class="comment"> * Pointer to slice data buffer base</span>
<a name="l00157"></a>00157 <span class="comment"> * - encoding: unused</span>
<a name="l00158"></a>00158 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00159"></a>00159 <span class="comment"> */</span>
<a name="l00160"></a><a class="code" href="structvaapi__context.html#ac013038c1faa1cbaf0aa132ada52414c">00160</a> <span class="keyword">const</span> uint8_t *<a class="code" href="structvaapi__context.html#ac013038c1faa1cbaf0aa132ada52414c" title="Pointer to slice data buffer base.">slice_data</a>;
<a name="l00161"></a>00161 <span class="comment"></span>
<a name="l00162"></a>00162 <span class="comment"> /**</span>
<a name="l00163"></a>00163 <span class="comment"> * Current size of slice data</span>
<a name="l00164"></a>00164 <span class="comment"> *</span>
<a name="l00165"></a>00165 <span class="comment"> * - encoding: unused</span>
<a name="l00166"></a>00166 <span class="comment"> * - decoding: Set by libavcodec</span>
<a name="l00167"></a>00167 <span class="comment"> */</span>
<a name="l00168"></a><a class="code" href="structvaapi__context.html#ab2444cafb4a40251c026c73d049fe84a">00168</a> uint32_t <a class="code" href="structvaapi__context.html#ab2444cafb4a40251c026c73d049fe84a" title="Current size of slice data.">slice_data_size</a>;
<a name="l00169"></a>00169 };
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="comment">/* @} */</span>
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="preprocessor">#endif </span><span class="comment">/* AVCODEC_VAAPI_H */</span>
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