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<li class="navelem"><a class="el" href="dir_8d855866ba5d436d839c7fc557836cd9.html">libavutil</a></li> </ul>
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<div class="title">motion_vector.h</div> </div>
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<a href="motion__vector_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef AVUTIL_MOTION_VECTOR_H</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define AVUTIL_MOTION_VECTOR_H</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <stdint.h></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="structAVMotionVector.html"> 24</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structAVMotionVector.html">AVMotionVector</a> {<span class="comment"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * Where the current macroblock comes from; negative value when it comes</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * from the past, positive value when it comes from the future.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * XXX: set exact relative ref frame reference instead of a +/- 1 "direction".</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="structAVMotionVector.html#a0cb88b0996a7313be9f91b92b82819b7"> 30</a></span>  int32_t <a class="code" href="structAVMotionVector.html#a0cb88b0996a7313be9f91b92b82819b7">source</a>;<span class="comment"></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * Width and height of the block.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="structAVMotionVector.html#ae208462700b6b52d22ed38e9d62cf2cf"> 34</a></span>  uint8_t <a class="code" href="structAVMotionVector.html#ae208462700b6b52d22ed38e9d62cf2cf">w</a>, <a class="code" href="structAVMotionVector.html#aaa41c9b570ff085251521a1198c1de9c">h</a>;<span class="comment"></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * Absolute source position. Can be outside the frame area.</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="structAVMotionVector.html#a1b8d6c20870c520796eaf4ed05a4e8f3"> 38</a></span>  int16_t <a class="code" href="structAVMotionVector.html#af1cf3b7f185df7d95107625bc10c5c59">src_x</a>, <a class="code" href="structAVMotionVector.html#a1b8d6c20870c520796eaf4ed05a4e8f3">src_y</a>;<span class="comment"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * Absolute destination position. Can be outside the frame area.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structAVMotionVector.html#af291ce180b66e55c0f6810f11fa7caa3"> 42</a></span>  int16_t <a class="code" href="structAVMotionVector.html#a5d5d77435dccd823b781d4a9e8647eb0">dst_x</a>, <a class="code" href="structAVMotionVector.html#af291ce180b66e55c0f6810f11fa7caa3">dst_y</a>;<span class="comment"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * Extra flag information.</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * Currently unused.</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structAVMotionVector.html#a75d00ba82df36ec5e697527ddb9addcc"> 47</a></span>  uint64_t <a class="code" href="structAVMotionVector.html#a75d00ba82df36ec5e697527ddb9addcc">flags</a>;<span class="comment"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * Motion vector</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * src_x = dst_x + motion_x / motion_scale</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * src_y = dst_y + motion_y / motion_scale</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structAVMotionVector.html#a34faca3d46c62fdcf4a78e2d219cdc5f"> 53</a></span>  int32_t <a class="code" href="structAVMotionVector.html#ab3a7233188fccabc9501cd25fe8749ba">motion_x</a>, <a class="code" href="structAVMotionVector.html#a34faca3d46c62fdcf4a78e2d219cdc5f">motion_y</a>;</div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="structAVMotionVector.html#a96f5e2a1cd18fc5ce9d3c13cfb34f4c0"> 54</a></span>  uint16_t <a class="code" href="structAVMotionVector.html#a96f5e2a1cd18fc5ce9d3c13cfb34f4c0">motion_scale</a>;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> } <a class="code" href="structAVMotionVector.html">AVMotionVector</a>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#endif </span><span class="comment">/* AVUTIL_MOTION_VECTOR_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="structAVMotionVector_html_af1cf3b7f185df7d95107625bc10c5c59"><div class="ttname"><a href="structAVMotionVector.html#af1cf3b7f185df7d95107625bc10c5c59">AVMotionVector::src_x</a></div><div class="ttdeci">int16_t src_x</div><div class="ttdoc">Absolute source position. </div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00038">motion_vector.h:38</a></div></div>
<div class="ttc" id="structAVMotionVector_html_a5d5d77435dccd823b781d4a9e8647eb0"><div class="ttname"><a href="structAVMotionVector.html#a5d5d77435dccd823b781d4a9e8647eb0">AVMotionVector::dst_x</a></div><div class="ttdeci">int16_t dst_x</div><div class="ttdoc">Absolute destination position. </div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00042">motion_vector.h:42</a></div></div>
<div class="ttc" id="structAVMotionVector_html_a0cb88b0996a7313be9f91b92b82819b7"><div class="ttname"><a href="structAVMotionVector.html#a0cb88b0996a7313be9f91b92b82819b7">AVMotionVector::source</a></div><div class="ttdeci">int32_t source</div><div class="ttdoc">Where the current macroblock comes from; negative value when it comes from the past, positive value when it comes from the future. </div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00030">motion_vector.h:30</a></div></div>
<div class="ttc" id="structAVMotionVector_html_ae208462700b6b52d22ed38e9d62cf2cf"><div class="ttname"><a href="structAVMotionVector.html#ae208462700b6b52d22ed38e9d62cf2cf">AVMotionVector::w</a></div><div class="ttdeci">uint8_t w</div><div class="ttdoc">Width and height of the block. </div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00034">motion_vector.h:34</a></div></div>
<div class="ttc" id="structAVMotionVector_html_ab3a7233188fccabc9501cd25fe8749ba"><div class="ttname"><a href="structAVMotionVector.html#ab3a7233188fccabc9501cd25fe8749ba">AVMotionVector::motion_x</a></div><div class="ttdeci">int32_t motion_x</div><div class="ttdoc">Motion vector src_x = dst_x + motion_x / motion_scale src_y = dst_y + motion_y / motion_scale. </div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00053">motion_vector.h:53</a></div></div>
<div class="ttc" id="structAVMotionVector_html_a1b8d6c20870c520796eaf4ed05a4e8f3"><div class="ttname"><a href="structAVMotionVector.html#a1b8d6c20870c520796eaf4ed05a4e8f3">AVMotionVector::src_y</a></div><div class="ttdeci">int16_t src_y</div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00038">motion_vector.h:38</a></div></div>
<div class="ttc" id="structAVMotionVector_html_a34faca3d46c62fdcf4a78e2d219cdc5f"><div class="ttname"><a href="structAVMotionVector.html#a34faca3d46c62fdcf4a78e2d219cdc5f">AVMotionVector::motion_y</a></div><div class="ttdeci">int32_t motion_y</div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00053">motion_vector.h:53</a></div></div>
<div class="ttc" id="structAVMotionVector_html_aaa41c9b570ff085251521a1198c1de9c"><div class="ttname"><a href="structAVMotionVector.html#aaa41c9b570ff085251521a1198c1de9c">AVMotionVector::h</a></div><div class="ttdeci">uint8_t h</div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00034">motion_vector.h:34</a></div></div>
<div class="ttc" id="structAVMotionVector_html_a96f5e2a1cd18fc5ce9d3c13cfb34f4c0"><div class="ttname"><a href="structAVMotionVector.html#a96f5e2a1cd18fc5ce9d3c13cfb34f4c0">AVMotionVector::motion_scale</a></div><div class="ttdeci">uint16_t motion_scale</div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00054">motion_vector.h:54</a></div></div>
<div class="ttc" id="structAVMotionVector_html_a75d00ba82df36ec5e697527ddb9addcc"><div class="ttname"><a href="structAVMotionVector.html#a75d00ba82df36ec5e697527ddb9addcc">AVMotionVector::flags</a></div><div class="ttdeci">uint64_t flags</div><div class="ttdoc">Extra flag information. </div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00047">motion_vector.h:47</a></div></div>
<div class="ttc" id="structAVMotionVector_html"><div class="ttname"><a href="structAVMotionVector.html">AVMotionVector</a></div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00024">motion_vector.h:24</a></div></div>
<div class="ttc" id="structAVMotionVector_html_af291ce180b66e55c0f6810f11fa7caa3"><div class="ttname"><a href="structAVMotionVector.html#af291ce180b66e55c0f6810f11fa7caa3">AVMotionVector::dst_y</a></div><div class="ttdeci">int16_t dst_y</div><div class="ttdef"><b>Definition:</b> <a href="motion__vector_8h_source.html#l00042">motion_vector.h:42</a></div></div>
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