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| <div class="title">VAEncMacroblockParameterBufferH264 Struct Reference<div class="ingroups"><a class="el" href="group__api__enc__h264.html">H.264 encoding API</a></div></div> </div> |
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| <p>Macroblock parameter for H.264 encoding in baseline, main & high profiles. |
| <a href="structVAEncMacroblockParameterBufferH264.html#details">More...</a></p> |
| |
| <p><code>#include <<a class="el" href="va__enc__h264_8h_source.html">va_enc_h264.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:afe7d5343cf12ab4dac528c8fd38793d6"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAEncMacroblockParameterBufferH264.html#afe7d5343cf12ab4dac528c8fd38793d6">qp</a></td></tr> |
| <tr class="memdesc:afe7d5343cf12ab4dac528c8fd38793d6"><td class="mdescLeft"> </td><td class="mdescRight">Quantization parameter. <a href="#afe7d5343cf12ab4dac528c8fd38793d6">More...</a><br /></td></tr> |
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| uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAEncMacroblockParameterBufferH264.html#a455e98505ed0f66d2c5065d500ea16a2">va_reserved</a> [<a class="el" href="group__api__core.html#gaaa4fb20d1c2606379cccfa562c2ebb3b">VA_PADDING_LOW</a>]</td></tr> |
| <tr class="memdesc:a455e98505ed0f66d2c5065d500ea16a2"><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:aa0cff74d3eb1aadc7aa13fb2d9c1fc23"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAEncMacroblockParameterBufferH264.html#aa0cff74d3eb1aadc7aa13fb2d9c1fc23">pred_avail_override_flag</a>: 1</td></tr> |
| <tr class="memdesc:aa0cff74d3eb1aadc7aa13fb2d9c1fc23"><td class="mdescLeft"> </td><td class="mdescRight">Flag specified to override MB neighbour availability bits from VME stage. <a href="#aa0cff74d3eb1aadc7aa13fb2d9c1fc23">More...</a><br /></td></tr> |
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| <tr class="memitem:aa864832532ba54c727ef342ba27ffec8"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structVAEncMacroblockParameterBufferH264.html#aa864832532ba54c727ef342ba27ffec8">pred_avail_flags</a>: 8</td></tr> |
| <tr class="memdesc:aa864832532ba54c727ef342ba27ffec8"><td class="mdescLeft"> </td><td class="mdescRight">Bitwise representation of which macroblocks are available for intra prediction. <a href="#aa864832532ba54c727ef342ba27ffec8">More...</a><br /></td></tr> |
| <tr class="separator:aa864832532ba54c727ef342ba27ffec8"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr><td colspan="2"><div class="groupHeader">Data for intra macroblock</div></td></tr> |
| <tr><td colspan="2"><div class="groupHeader">Data for inter macroblock</div></td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Macroblock parameter for H.264 encoding in baseline, main & high profiles. </p> |
| <p>This structure holds per-macroblock information. The buffer must be allocated with as many elements (macroblocks) as necessary to fit the slice to be encoded. Besides, the per-macroblock records must be written in a strict raster order and with no gap. i.e. every macroblock, regardless of its type, shall have an entry. </p> |
| </div><h2 class="groupheader">Member Data Documentation</h2> |
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| <h2 class="memtitle"><span class="permalink"><a href="#aa864832532ba54c727ef342ba27ffec8">◆ </a></span>pred_avail_flags</h2> |
| |
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| <td class="memname">uint32_t VAEncMacroblockParameterBufferH264::pred_avail_flags</td> |
| </tr> |
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| </div><div class="memdoc"> |
| |
| <p>Bitwise representation of which macroblocks are available for intra prediction. </p> |
| <p>If the slice is intra-coded, this field represents the macroblocks available for intra prediction. See <a class="el" href="group__api__enc__h264.html#api_enc_h264_mb_pred_avail_bits">macroblock neighbour availability</a> bit definitions. </p> |
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| <h2 class="memtitle"><span class="permalink"><a href="#aa0cff74d3eb1aadc7aa13fb2d9c1fc23">◆ </a></span>pred_avail_override_flag</h2> |
| |
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| <td class="memname">uint32_t VAEncMacroblockParameterBufferH264::pred_avail_override_flag</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Flag specified to override MB neighbour availability bits from VME stage. </p> |
| <p>This flag specifies that macroblock neighbour availability bits from the VME stage are overriden by the <a class="el" href="structVAEncMacroblockParameterBufferH264.html#aa864832532ba54c727ef342ba27ffec8">pred_avail_flags</a> hereunder. </p> |
| |
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| <h2 class="memtitle"><span class="permalink"><a href="#afe7d5343cf12ab4dac528c8fd38793d6">◆ </a></span>qp</h2> |
| |
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| <td class="memname">uint8_t VAEncMacroblockParameterBufferH264::qp</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Quantization parameter. </p> |
| <p>Requested quantization parameter. Range: 0 to 51, inclusive. If <a class="el" href="structVAEncMacroblockParameterBufferH264.html#afe7d5343cf12ab4dac528c8fd38793d6">qp</a> is set to 0xff, then the actual value is derived from the slice-level value: <code>pic_init_qp</code> + <code>slice_qp_delta</code>. </p> |
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| <hr/>The documentation for this struct was generated from the following file:<ul> |
| <li><a class="el" href="va__enc__h264_8h_source.html">va_enc_h264.h</a></li> |
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