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| <div class="title">VAQMatrixBufferHEVC Struct Reference<div class="ingroups"><a class="el" href="group__api__enc__hevc.html">HEVC encoding API</a></div></div> </div> |
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| <p>HEVC Quantization Matrix Buffer Structure. |
| <a href="structVAQMatrixBufferHEVC.html#details">More...</a></p> |
| |
| <p><code>#include <<a class="el" href="va__enc__hevc_8h_source.html">va_enc_hevc.h</a>></code></p> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a> |
| Public Attributes</h2></td></tr> |
| <tr class="memitem:a2a31d3fae0f6e37e01bff84cfc81f3d2"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAQMatrixBufferHEVC.html#a2a31d3fae0f6e37e01bff84cfc81f3d2">scaling_lists_4x4</a> [3][2][16]</td></tr> |
| <tr class="memdesc:a2a31d3fae0f6e37e01bff84cfc81f3d2"><td class="mdescLeft"> </td><td class="mdescRight">scaling lists, corresponds to same HEVC spec syntax element ScalingList[ i ][ MatrixID ][ j ]. <a href="#a2a31d3fae0f6e37e01bff84cfc81f3d2">More...</a><br /></td></tr> |
| <tr class="separator:a2a31d3fae0f6e37e01bff84cfc81f3d2"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aeac8ed87fe39d479f63e841e9c5720e5"><td class="memItemLeft" align="right" valign="top"><a id="aeac8ed87fe39d479f63e841e9c5720e5"></a> |
| uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAQMatrixBufferHEVC.html#aeac8ed87fe39d479f63e841e9c5720e5">scaling_lists_8x8</a> [3][2][64]</td></tr> |
| <tr class="memdesc:aeac8ed87fe39d479f63e841e9c5720e5"><td class="mdescLeft"> </td><td class="mdescRight">8x8 scaling, <br /></td></tr> |
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| <tr class="memitem:aef031ec09d791cb61622055cf4ddaa30"><td class="memItemLeft" align="right" valign="top"><a id="aef031ec09d791cb61622055cf4ddaa30"></a> |
| uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAQMatrixBufferHEVC.html#aef031ec09d791cb61622055cf4ddaa30">scaling_lists_16x16</a> [3][2][64]</td></tr> |
| <tr class="memdesc:aef031ec09d791cb61622055cf4ddaa30"><td class="mdescLeft"> </td><td class="mdescRight">16x16 scaling, correspongs i = 2, MatrixID is in the range of 0 to 5, inclusive. And j is in the range of 0 to 63, inclusive. <br /></td></tr> |
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| uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAQMatrixBufferHEVC.html#aba27c14d0919fff51b2ef4d5583d01e7">scaling_lists_32x32</a> [2][64]</td></tr> |
| <tr class="memdesc:aba27c14d0919fff51b2ef4d5583d01e7"><td class="mdescLeft"> </td><td class="mdescRight">32x32 scaling, correspongs i = 3, MatrixID is in the range of 0 to 1, inclusive. And j is in the range of 0 to 63, inclusive. <br /></td></tr> |
| <tr class="separator:aba27c14d0919fff51b2ef4d5583d01e7"><td class="memSeparator" colspan="2"> </td></tr> |
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| uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAQMatrixBufferHEVC.html#ae685126394a85db986e9dced62d5115e">scaling_list_dc_16x16</a> [3][2]</td></tr> |
| <tr class="memdesc:ae685126394a85db986e9dced62d5115e"><td class="mdescLeft"> </td><td class="mdescRight">DC values of the 16x16 scaling lists, corresponds to HEVC spec syntax scaling_list_dc_coef_minus8[ sizeID - 2 ][ matrixID ] + 8 with sizeID = 2 and matrixID in the range of 0 to 5, inclusive. <br /></td></tr> |
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| uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAQMatrixBufferHEVC.html#af5476d50b68ed4618ec4a0f0f2f5a03e">scaling_list_dc_32x32</a> [2]</td></tr> |
| <tr class="memdesc:af5476d50b68ed4618ec4a0f0f2f5a03e"><td class="mdescLeft"> </td><td class="mdescRight">DC values of the 32x32 scaling lists, corresponds to HEVC spec syntax scaling_list_dc_coef_minus8[ sizeID - 2 ][ matrixID ] + 8 with sizeID = 3 and matrixID in the range of 0 to 1, inclusive. <br /></td></tr> |
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| uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAQMatrixBufferHEVC.html#a150490b2581d19f4c7990e594ef3512b">va_reserved</a> [<a class="el" href="group__api__core.html#gaaa4fb20d1c2606379cccfa562c2ebb3b">VA_PADDING_LOW</a>]</td></tr> |
| <tr class="memdesc:a150490b2581d19f4c7990e594ef3512b"><td class="mdescLeft"> </td><td class="mdescRight">Reserved bytes for future use, must be zero. <br /></td></tr> |
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| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>HEVC Quantization Matrix Buffer Structure. </p> |
| <p>This structure is sent once per frame, and only when scaling_list_enabled_flag = 1 and scaling_list_data_present_flag = 1. Only when scaling_list_data_present_flag = 1, app still needs to send in this structure. When scaling_list_enabled_flag = 1 and scaling_list_data_present_flag = 0, driver is responsible to generate the default scaling list values.</p> |
| <p>Matrix entries are in raster scan order which follows HEVC spec. </p> |
| </div><h2 class="groupheader">Member Data Documentation</h2> |
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| <h2 class="memtitle"><span class="permalink"><a href="#a2a31d3fae0f6e37e01bff84cfc81f3d2">◆ </a></span>scaling_lists_4x4</h2> |
| |
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| <td class="memname">uint8_t VAQMatrixBufferHEVC::scaling_lists_4x4[3][2][16]</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>scaling lists, corresponds to same HEVC spec syntax element ScalingList[ i ][ MatrixID ][ j ]. </p> |
| <p>4x4 scaling, </p> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this struct was generated from the following file:<ul> |
| <li><a class="el" href="va__enc__hevc_8h_source.html">va_enc_hevc.h</a></li> |
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