234 lines
14 KiB
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234 lines
14 KiB
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Shaka Packager SDK: shaka::media::Nalu Class Reference</title>
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<div id="projectname">Shaka Packager SDK
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<ul>
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<li class="navelem"><a class="el" href="../../d8/daf/namespaceshaka.html">shaka</a></li><li class="navelem"><b>media</b></li><li class="navelem"><a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html">Nalu</a></li> </ul>
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</div>
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</div><!-- top -->
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<div class="header">
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<div class="summary">
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<a href="#pub-types">Public Types</a> |
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="../../d4/d58/classshaka_1_1media_1_1Nalu-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">shaka::media::Nalu Class Reference</div> </div>
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</div><!--header-->
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<div class="contents">
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<p><code>#include <<a class="el" href="../../d4/d87/nalu__reader_8h_source.html">nalu_reader.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr class="memitem:a555313353e2e23743ad7a70a3e65574a"><td class="memItemLeft" align="right" valign="top"><a id="a555313353e2e23743ad7a70a3e65574a"></a>enum  </td><td class="memItemRight" valign="bottom"><b>H264NaluType</b> { <br />
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  <b>H264_Unspecified</b> = 0,
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<b>H264_NonIDRSlice</b> = 1,
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<b>H264_IDRSlice</b> = 5,
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<b>H264_SEIMessage</b> = 6,
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<br />
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  <b>H264_SPS</b> = 7,
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<b>H264_PPS</b> = 8,
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<b>H264_AUD</b> = 9,
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<b>H264_EOSeq</b> = 10,
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<br />
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  <b>H264_FillerData</b> = 12,
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<b>H264_SPSExtension</b> = 13,
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<b>H264_PrefixNALUnit</b> = 14,
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<b>H264_SubsetSPS</b> = 15,
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<br />
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  <b>H264_DepthParameterSet</b> = 16,
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<b>H264_Reserved17</b> = 17,
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<b>H264_Reserved18</b> = 18,
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<b>H264_CodedSliceExtension</b> = 20,
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<br />
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  <b>H264_Reserved22</b> = 22
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<br />
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}</td></tr>
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<tr class="separator:a555313353e2e23743ad7a70a3e65574a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a58c5204869bb765b965162a152ce071e"><td class="memItemLeft" align="right" valign="top"><a id="a58c5204869bb765b965162a152ce071e"></a>enum  </td><td class="memItemRight" valign="bottom"><b>H265NaluType</b> { <br />
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  <b>H265_TRAIL_N</b> = 0,
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<b>H265_TRAIL_R</b> = 1,
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<b>H265_TSA_N</b> = 2,
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<b>H265_TSA_R</b> = 3,
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<br />
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  <b>H265_STSA_N</b> = 4,
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<b>H265_STSA_R</b> = 5,
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<b>H265_RASL_R</b> = 9,
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<b>H265_RSV_VCL_N10</b> = 10,
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<br />
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  <b>H265_RSV_VCL_R15</b> = 15,
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<b>H265_BLA_W_LP</b> = 16,
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<b>H265_IDR_W_RADL</b> = 19,
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<b>H265_IDR_N_LP</b> = 20,
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<br />
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  <b>H265_CRA_NUT</b> = 21,
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<b>H265_RSV_IRAP_VCL22</b> = 22,
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<b>H265_RSV_IRAP_VCL23</b> = 23,
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<b>H265_RSV_VCL31</b> = 31,
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<br />
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  <b>H265_VPS</b> = 32,
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<b>H265_SPS</b> = 33,
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<b>H265_PPS</b> = 34,
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<b>H265_AUD</b> = 35,
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<br />
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  <b>H265_EOS</b> = 36,
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<b>H265_EOB</b> = 37,
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<b>H265_FD</b> = 38,
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<b>H265_PREFIX_SEI</b> = 39,
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<br />
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  <b>H265_RSV_NVCL41</b> = 41,
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<b>H265_RSV_NVCL44</b> = 44,
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<b>H265_UNSPEC48</b> = 48,
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<b>H265_UNSPEC55</b> = 55
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<br />
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}</td></tr>
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<tr class="separator:a58c5204869bb765b965162a152ce071e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad4e0927dbdd7c4700e56b4d1a91ce61d"><td class="memItemLeft" align="right" valign="top"><a id="ad4e0927dbdd7c4700e56b4d1a91ce61d"></a>enum  </td><td class="memItemRight" valign="bottom"><b>CodecType</b> { <b>kH264</b>,
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<b>kH265</b>
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}</td></tr>
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<tr class="separator:ad4e0927dbdd7c4700e56b4d1a91ce61d"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:aad17891432eafa58e6afd9b5d93fbdd4"><td class="memItemLeft" align="right" valign="top"><a id="aad17891432eafa58e6afd9b5d93fbdd4"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>Initialize</b> (CodecType <a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html#a7a3b4358f56619fc63fe74525f4eb92b">type</a>, const uint8_t *<a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html#a52dc6f445a09c36a64c634ccc2891489">data</a>, uint64_t size) WARN_UNUSED_RESULT</td></tr>
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<tr class="separator:aad17891432eafa58e6afd9b5d93fbdd4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a52dc6f445a09c36a64c634ccc2891489"><td class="memItemLeft" align="right" valign="top"><a id="a52dc6f445a09c36a64c634ccc2891489"></a>
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const uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html#a52dc6f445a09c36a64c634ccc2891489">data</a> () const</td></tr>
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<tr class="memdesc:a52dc6f445a09c36a64c634ccc2891489"><td class="mdescLeft"> </td><td class="mdescRight">This is the pointer to the <a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html">Nalu</a> data, pointing to the header. <br /></td></tr>
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<tr class="separator:a52dc6f445a09c36a64c634ccc2891489"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a835d8f01a8ab94887ee3dce3b5d3721e"><td class="memItemLeft" align="right" valign="top"><a id="a835d8f01a8ab94887ee3dce3b5d3721e"></a>
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uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html#a835d8f01a8ab94887ee3dce3b5d3721e">header_size</a> () const</td></tr>
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<tr class="memdesc:a835d8f01a8ab94887ee3dce3b5d3721e"><td class="mdescLeft"> </td><td class="mdescRight">The size of the header, e.g. 1 for H.264. <br /></td></tr>
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<tr class="separator:a835d8f01a8ab94887ee3dce3b5d3721e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:abe782e4298e7add8ce0a1c33e66cfcdb"><td class="memItemLeft" align="right" valign="top"><a id="abe782e4298e7add8ce0a1c33e66cfcdb"></a>
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uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html#abe782e4298e7add8ce0a1c33e66cfcdb">payload_size</a> () const</td></tr>
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<tr class="memdesc:abe782e4298e7add8ce0a1c33e66cfcdb"><td class="mdescLeft"> </td><td class="mdescRight">Size of this <a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html">Nalu</a> minus <a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html#a835d8f01a8ab94887ee3dce3b5d3721e" title="The size of the header, e.g. 1 for H.264. ">header_size()</a>. <br /></td></tr>
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<tr class="separator:abe782e4298e7add8ce0a1c33e66cfcdb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:adb42221584298b18d8a2504fab46f9b5"><td class="memItemLeft" align="right" valign="top"><a id="adb42221584298b18d8a2504fab46f9b5"></a>
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int </td><td class="memItemRight" valign="bottom"><b>ref_idc</b> () const</td></tr>
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<tr class="separator:adb42221584298b18d8a2504fab46f9b5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3f1fdb799c239855587b08895df497e4"><td class="memItemLeft" align="right" valign="top"><a id="a3f1fdb799c239855587b08895df497e4"></a>
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int </td><td class="memItemRight" valign="bottom"><b>nuh_layer_id</b> () const</td></tr>
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<tr class="separator:a3f1fdb799c239855587b08895df497e4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad49cdbddc7ccf9b6dfd7f78ce6262d84"><td class="memItemLeft" align="right" valign="top"><a id="ad49cdbddc7ccf9b6dfd7f78ce6262d84"></a>
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int </td><td class="memItemRight" valign="bottom"><b>nuh_temporal_id</b> () const</td></tr>
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<tr class="separator:ad49cdbddc7ccf9b6dfd7f78ce6262d84"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7a3b4358f56619fc63fe74525f4eb92b"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html#a7a3b4358f56619fc63fe74525f4eb92b">type</a> () const</td></tr>
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<tr class="separator:a7a3b4358f56619fc63fe74525f4eb92b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6690e18638365057d92e159bad398593"><td class="memItemLeft" align="right" valign="top"><a id="a6690e18638365057d92e159bad398593"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>is_aud</b> () const</td></tr>
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<tr class="separator:a6690e18638365057d92e159bad398593"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad922d5f6740740acbec8fe1d290461ba"><td class="memItemLeft" align="right" valign="top"><a id="ad922d5f6740740acbec8fe1d290461ba"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>is_vcl</b> () const</td></tr>
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<tr class="separator:ad922d5f6740740acbec8fe1d290461ba"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a63f091b3dbe862fd4519c1b374dfc937"><td class="memItemLeft" align="right" valign="top"><a id="a63f091b3dbe862fd4519c1b374dfc937"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html#a63f091b3dbe862fd4519c1b374dfc937">is_video_slice</a> () const</td></tr>
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<tr class="memdesc:a63f091b3dbe862fd4519c1b374dfc937"><td class="mdescLeft"> </td><td class="mdescRight">Slice data partition NALs are not considered as slice NALs. <br /></td></tr>
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<tr class="separator:a63f091b3dbe862fd4519c1b374dfc937"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9dfd0614489c99f93807387f359cc004"><td class="memItemLeft" align="right" valign="top"><a id="a9dfd0614489c99f93807387f359cc004"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>can_start_access_unit</b> () const</td></tr>
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<tr class="separator:a9dfd0614489c99f93807387f359cc004"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>For explanations of each struct and its members, see H.264 specification at <a href="http://www.itu.int/rec/T-REC-H.264">http://www.itu.int/rec/T-REC-H.264</a>. </p>
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<p class="definition">Definition at line <a class="el" href="../../d4/d87/nalu__reader_8h_source.html#l00027">27</a> of file <a class="el" href="../../d4/d87/nalu__reader_8h_source.html">nalu_reader.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a id="a7a3b4358f56619fc63fe74525f4eb92b"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a7a3b4358f56619fc63fe74525f4eb92b">◆ </a></span>type()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">int shaka::media::Nalu::type </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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</table>
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</div><div class="memdoc">
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<p>H264NaluType and H265NaluType enums may be used to compare against the return value. </p>
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<p class="definition">Definition at line <a class="el" href="../../d4/d87/nalu__reader_8h_source.html#l00113">113</a> of file <a class="el" href="../../d4/d87/nalu__reader_8h_source.html">nalu_reader.h</a>.</p>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>packager/media/codecs/<a class="el" href="../../d4/d87/nalu__reader_8h_source.html">nalu_reader.h</a></li>
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<li>packager/media/codecs/<a class="el" href="../../d1/df5/nalu__reader_8cc_source.html">nalu_reader.cc</a></li>
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</ul>
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</div><!-- contents -->
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