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<a href="#pub-attribs">Public Attributes</a> |
<a href="structVAPictureParameterBufferHEVC-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">VAPictureParameterBufferHEVC Struct Reference<div class="ingroups"><a class="el" href="group__api__dec__hevc.html">HEVC decoding API</a></div></div> </div>
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<p>HEVC Decoding Picture Parameter Buffer Structure.
<a href="structVAPictureParameterBufferHEVC.html#details">More...</a></p>
<p><code>#include <<a class="el" href="va__dec__hevc_8h_source.html">va_dec_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:aa5937ceffb944fc8300cec7c214e1b1b"><td class="memItemLeft" align="right" valign="top"><a id="aa5937ceffb944fc8300cec7c214e1b1b"></a>
<a class="el" href="structVAPictureHEVC.html">VAPictureHEVC</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#aa5937ceffb944fc8300cec7c214e1b1b">CurrPic</a></td></tr>
<tr class="memdesc:aa5937ceffb944fc8300cec7c214e1b1b"><td class="mdescLeft"> </td><td class="mdescRight">buffer description of decoded current picture only VA_PICTURE_HEVC_FIELD_PIC and VA_PICTURE_HEVC_BOTTOM_FIELD of "flags" fields are meaningful. <br /></td></tr>
<tr class="separator:aa5937ceffb944fc8300cec7c214e1b1b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abac5f2621a6747b8e762d31934fb88fd"><td class="memItemLeft" align="right" valign="top"><a id="abac5f2621a6747b8e762d31934fb88fd"></a>
<a class="el" href="structVAPictureHEVC.html">VAPictureHEVC</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#abac5f2621a6747b8e762d31934fb88fd">ReferenceFrames</a> [15]</td></tr>
<tr class="memdesc:abac5f2621a6747b8e762d31934fb88fd"><td class="mdescLeft"> </td><td class="mdescRight">buffer description of reference frames in DPB <br /></td></tr>
<tr class="separator:abac5f2621a6747b8e762d31934fb88fd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8c258023bbc97caa85fa21d506d305ec"><td class="memItemLeft" align="right" valign="top"><a id="a8c258023bbc97caa85fa21d506d305ec"></a>
uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#a8c258023bbc97caa85fa21d506d305ec">pic_width_in_luma_samples</a></td></tr>
<tr class="memdesc:a8c258023bbc97caa85fa21d506d305ec"><td class="mdescLeft"> </td><td class="mdescRight">picture width, shall be integer multiple of minimum CB size. <br /></td></tr>
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<tr class="memitem:a644cc93bb57b7c52ed9def1b78640766"><td class="memItemLeft" align="right" valign="top"><a id="a644cc93bb57b7c52ed9def1b78640766"></a>
uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#a644cc93bb57b7c52ed9def1b78640766">pic_height_in_luma_samples</a></td></tr>
<tr class="memdesc:a644cc93bb57b7c52ed9def1b78640766"><td class="mdescLeft"> </td><td class="mdescRight">picture height, shall be integer multiple of minimum CB size. <br /></td></tr>
<tr class="separator:a644cc93bb57b7c52ed9def1b78640766"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afdcf7e67b108e5f7c514c95f57db4507"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#afdcf7e67b108e5f7c514c95f57db4507">sps_max_dec_pic_buffering_minus1</a></td></tr>
<tr class="memdesc:afdcf7e67b108e5f7c514c95f57db4507"><td class="mdescLeft"> </td><td class="mdescRight">DPB size for current temporal layer. <a href="#afdcf7e67b108e5f7c514c95f57db4507">More...</a><br /></td></tr>
<tr class="separator:afdcf7e67b108e5f7c514c95f57db4507"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aba9ba03095f4613cf1dd294887008555"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#aba9ba03095f4613cf1dd294887008555">column_width_minus1</a> [19]</td></tr>
<tr class="separator:aba9ba03095f4613cf1dd294887008555"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a27c130962ebfb481495f0872bf3987c1"><td class="memItemLeft" >union {</td></tr>
<tr class="memitem:a27c130962ebfb481495f0872bf3987c1"><td class="memItemLeft" valign="top">} </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#a27c130962ebfb481495f0872bf3987c1">slice_parsing_fields</a></td></tr>
<tr class="memdesc:a27c130962ebfb481495f0872bf3987c1"><td class="mdescLeft"> </td><td class="mdescRight">Parameters needed for parsing slice segment headers. <a href="#a27c130962ebfb481495f0872bf3987c1">More...</a><br /></td></tr>
<tr class="separator:a27c130962ebfb481495f0872bf3987c1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8d85cbfcfcf25e09179f6a78464127c6"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#a8d85cbfcfcf25e09179f6a78464127c6">log2_max_pic_order_cnt_lsb_minus4</a></td></tr>
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<tr class="memitem:ae4d914dcc3969ab65bfdffe2834da770"><td class="memItemLeft" align="right" valign="top"><a id="ae4d914dcc3969ab65bfdffe2834da770"></a>
uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#ae4d914dcc3969ab65bfdffe2834da770">st_rps_bits</a></td></tr>
<tr class="memdesc:ae4d914dcc3969ab65bfdffe2834da770"><td class="mdescLeft"> </td><td class="mdescRight">number of bits that structure short_term_ref_pic_set( num_short_term_ref_pic_sets ) takes in slice segment header when short_term_ref_pic_set_sps_flag equals 0. if short_term_ref_pic_set_sps_flag equals 1, the value should be 0. the bit count is calculated after emulation prevention bytes are removed from bit streams. This variable is used for accelorater to skip parsing the short_term_ref_pic_set( num_short_term_ref_pic_sets ) structure. <br /></td></tr>
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uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#ab777b17894e2dc9eaf39b90269eeb5b5">va_reserved</a> [VA_PADDING_MEDIUM]</td></tr>
<tr class="memdesc:ab777b17894e2dc9eaf39b90269eeb5b5"><td class="mdescLeft"> </td><td class="mdescRight">Reserved bytes for future use, must be zero. <br /></td></tr>
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<tr class="memitem:a18a82d18a1f30bfdd6a152befe12dc1e"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#a18a82d18a1f30bfdd6a152befe12dc1e">chroma_format_idc</a>: 2</td></tr>
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<tr class="memitem:ac94beaf8422a46e322782550e9e60c47"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#ac94beaf8422a46e322782550e9e60c47">NoPicReorderingFlag</a>: 1</td></tr>
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<tr class="memitem:aaaf51c07b9e75948a9e0ea4c4e7b124f"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#aaaf51c07b9e75948a9e0ea4c4e7b124f">NoBiPredFlag</a>: 1</td></tr>
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<tr class="memitem:a9e79d75a9d42fd669e90cd03f208af5a"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#a9e79d75a9d42fd669e90cd03f208af5a">lists_modification_present_flag</a>: 1</td></tr>
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<tr class="memitem:a31ec8f71dd7585a670d3f7bc12f2733b"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#a31ec8f71dd7585a670d3f7bc12f2733b">RapPicFlag</a>: 1</td></tr>
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<tr class="memitem:af3709fee79040542893ede1e5ef0403b"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#af3709fee79040542893ede1e5ef0403b">IdrPicFlag</a>: 1</td></tr>
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<tr class="memitem:a9f0605db6c5d1b2e0c1c220aeb1ae967"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAPictureParameterBufferHEVC.html#a9f0605db6c5d1b2e0c1c220aeb1ae967">IntraPicFlag</a>: 1</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>HEVC Decoding Picture Parameter Buffer Structure. </p>
<p>This structure conveys picture level parameters and should be sent once per frame. </p>
</div><h2 class="groupheader">Member Data Documentation</h2>
<a id="a18a82d18a1f30bfdd6a152befe12dc1e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a18a82d18a1f30bfdd6a152befe12dc1e">◆ </a></span>chroma_format_idc</h2>
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<p>following flags have same syntax and semantic as those in HEVC spec </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aba9ba03095f4613cf1dd294887008555">◆ </a></span>column_width_minus1</h2>
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<td class="memname">uint16_t VAPictureParameterBufferHEVC::column_width_minus1[19]</td>
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<p>when uniform_spacing_flag equals 1, application should populate column_width_minus[], and row_height_minus1[] with approperiate values. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af3709fee79040542893ede1e5ef0403b">◆ </a></span>IdrPicFlag</h2>
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<td class="memname">uint32_t VAPictureParameterBufferHEVC::IdrPicFlag</td>
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<p>current picture with NUT between 19 and 20 inclusive </p>
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<td class="memname">uint32_t VAPictureParameterBufferHEVC::IntraPicFlag</td>
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<p>current picture has only intra slices </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9e79d75a9d42fd669e90cd03f208af5a">◆ </a></span>lists_modification_present_flag</h2>
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<td class="memname">uint32_t VAPictureParameterBufferHEVC::lists_modification_present_flag</td>
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<p>following parameters have same syntax with those in HEVC spec </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8d85cbfcfcf25e09179f6a78464127c6">◆ </a></span>log2_max_pic_order_cnt_lsb_minus4</h2>
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<td class="memname">uint8_t VAPictureParameterBufferHEVC::log2_max_pic_order_cnt_lsb_minus4</td>
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<p>following parameters have same syntax with those in HEVC spec </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aaaf51c07b9e75948a9e0ea4c4e7b124f">◆ </a></span>NoBiPredFlag</h2>
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<td class="memname">uint32_t VAPictureParameterBufferHEVC::NoBiPredFlag</td>
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<p>picture has no B slices </p>
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<p>set based on sps_max_num_reorder_pics of current temporal layer. </p>
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<p>current picture with NUT between 16 and 21 inclusive </p>
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<td class="memname">union { ... } VAPictureParameterBufferHEVC::slice_parsing_fields</td>
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<p>Parameters needed for parsing slice segment headers. </p>
<p>The Following Parameters are needed for Short Slice Format Only. Only format decoding can ignore them. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#afdcf7e67b108e5f7c514c95f57db4507">◆ </a></span>sps_max_dec_pic_buffering_minus1</h2>
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<p>DPB size for current temporal layer. </p>
<p>following parameters have same syntax with those in HEVC spec </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="va__dec__hevc_8h_source.html">va_dec_hevc.h</a></li>
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