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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="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html">ThreadedIoFile</a></li> </ul>
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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="#pro-methods">Protected Member Functions</a> |
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<a href="../../df/d46/classshaka_1_1media_1_1ThreadedIoFile-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">shaka::media::ThreadedIoFile Class Reference</div> </div>
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<p>Declaration of class which implements a thread-safe circular buffer.
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<a href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="../../d2/da6/threaded__io__file_8h_source.html">threaded_io_file.h</a>></code></p>
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<div class="dynheader">
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Inheritance diagram for shaka::media::ThreadedIoFile:</div>
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<img src="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.png" usemap="#shaka::media::ThreadedIoFile_map" alt=""/>
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<area href="../../d3/d61/classshaka_1_1media_1_1File.html" title="Define an abstract file interface. " alt="shaka::media::File" shape="rect" coords="0,0,175,24"/>
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</div></div>
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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:a831d16b60c49ad379f4eb23d0d50e6ba"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><b>Mode</b> { <b>kInputMode</b>,
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<b>kOutputMode</b>
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}</td></tr>
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<tr class="separator:a831d16b60c49ad379f4eb23d0d50e6ba"><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:a3ddd3e2e5297cbe02c8bb0e030e1612f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3ddd3e2e5297cbe02c8bb0e030e1612f"></a>
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 </td><td class="memItemRight" valign="bottom"><b>ThreadedIoFile</b> (std::unique_ptr< <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">File</a>, <a class="el" href="../../d3/d8b/structshaka_1_1media_1_1FileCloser.html">FileCloser</a> > internal_file, Mode mode, uint64_t io_cache_size, uint64_t io_block_size)</td></tr>
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<tr class="separator:a3ddd3e2e5297cbe02c8bb0e030e1612f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr><td colspan="2"><div class="groupHeader">File implementation overrides.</div></td></tr>
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<tr class="memitem:a4a85d185a7eaa1abc857540ef703ab9a"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#a4a85d185a7eaa1abc857540ef703ab9a">Close</a> () override</td></tr>
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<tr class="separator:a4a85d185a7eaa1abc857540ef703ab9a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5bd05e37779441004cd7ba0c33de1ad6"><td class="memItemLeft" align="right" valign="top">int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#a5bd05e37779441004cd7ba0c33de1ad6">Read</a> (void *buffer, uint64_t length) override</td></tr>
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<tr class="separator:a5bd05e37779441004cd7ba0c33de1ad6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa14502dd48c1c64329283f5f1340f60f"><td class="memItemLeft" align="right" valign="top">int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#aa14502dd48c1c64329283f5f1340f60f">Write</a> (const void *buffer, uint64_t length) override</td></tr>
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<tr class="separator:aa14502dd48c1c64329283f5f1340f60f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac8c1f49d9e7ff55b1484129240c065f3"><td class="memItemLeft" align="right" valign="top">int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#ac8c1f49d9e7ff55b1484129240c065f3">Size</a> () override</td></tr>
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<tr class="separator:ac8c1f49d9e7ff55b1484129240c065f3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4c8d46b1a16fba8bf4267c0a11fa856e"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#a4c8d46b1a16fba8bf4267c0a11fa856e">Flush</a> () override</td></tr>
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<tr class="separator:a4c8d46b1a16fba8bf4267c0a11fa856e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4a30faf9c8e8b367bcfebb7b642d73e7"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#a4a30faf9c8e8b367bcfebb7b642d73e7">Seek</a> (uint64_t position) override</td></tr>
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<tr class="separator:a4a30faf9c8e8b367bcfebb7b642d73e7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a23949d75527c8de9f02e749c7744f11e"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#a23949d75527c8de9f02e749c7744f11e">Tell</a> (uint64_t *position) override</td></tr>
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<tr class="separator:a23949d75527c8de9f02e749c7744f11e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_classshaka_1_1media_1_1File"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classshaka_1_1media_1_1File')"><img src="../../closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">shaka::media::File</a></td></tr>
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<tr class="memitem:abe158b9e7b1e073956a16c55a8fcf5f4 inherit pub_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">const std::string & </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#abe158b9e7b1e073956a16c55a8fcf5f4">file_name</a> () const </td></tr>
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<tr class="separator:abe158b9e7b1e073956a16c55a8fcf5f4 inherit pub_methods_classshaka_1_1media_1_1File"><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="pro-methods"></a>
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Protected Member Functions</h2></td></tr>
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<tr class="memitem:ae3db248116be393b18d70bb27f6aeb68"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae3db248116be393b18d70bb27f6aeb68"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#ae3db248116be393b18d70bb27f6aeb68">Open</a> () override</td></tr>
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<tr class="memdesc:ae3db248116be393b18d70bb27f6aeb68"><td class="mdescLeft"> </td><td class="mdescRight">Internal open. Should not be used directly. <br/></td></tr>
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<tr class="separator:ae3db248116be393b18d70bb27f6aeb68"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pro_methods_classshaka_1_1media_1_1File"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classshaka_1_1media_1_1File')"><img src="../../closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">shaka::media::File</a></td></tr>
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<tr class="memitem:a476502e5ab3eaed4427fd3b8468211ce inherit pro_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a476502e5ab3eaed4427fd3b8468211ce"></a>
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 </td><td class="memItemRight" valign="bottom"><b>File</b> (const std::string &<a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#abe158b9e7b1e073956a16c55a8fcf5f4">file_name</a>)</td></tr>
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<tr class="separator:a476502e5ab3eaed4427fd3b8468211ce inherit pro_methods_classshaka_1_1media_1_1File"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aeb5c0673c6d8120d636385a1ad3b3f71 inherit pro_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#aeb5c0673c6d8120d636385a1ad3b3f71">~File</a> ()</td></tr>
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<tr class="separator:aeb5c0673c6d8120d636385a1ad3b3f71 inherit pro_methods_classshaka_1_1media_1_1File"><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="inherited"></a>
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Additional Inherited Members</h2></td></tr>
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<tr class="inherit_header pub_static_methods_classshaka_1_1media_1_1File"><td colspan="2" onclick="javascript:toggleInherit('pub_static_methods_classshaka_1_1media_1_1File')"><img src="../../closed.png" alt="-"/> Static Public Member Functions inherited from <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">shaka::media::File</a></td></tr>
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<tr class="memitem:a921efa1c8f7978e3b5aac33d648b0250 inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">File</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a921efa1c8f7978e3b5aac33d648b0250">Open</a> (const char *<a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#abe158b9e7b1e073956a16c55a8fcf5f4">file_name</a>, const char *mode)</td></tr>
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<tr class="separator:a921efa1c8f7978e3b5aac33d648b0250 inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad1e9fc834093c8b35c0f8c1957974fda inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">File</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#ad1e9fc834093c8b35c0f8c1957974fda">OpenWithNoBuffering</a> (const char *<a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#abe158b9e7b1e073956a16c55a8fcf5f4">file_name</a>, const char *mode)</td></tr>
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<tr class="separator:ad1e9fc834093c8b35c0f8c1957974fda inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a92cdfd68e6384dfcc14c78b20c98368e inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a92cdfd68e6384dfcc14c78b20c98368e">Delete</a> (const char *<a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#abe158b9e7b1e073956a16c55a8fcf5f4">file_name</a>)</td></tr>
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<tr class="memitem:a6981994874ee5832e3394744fd51fd79 inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">static int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a6981994874ee5832e3394744fd51fd79">GetFileSize</a> (const char *<a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#abe158b9e7b1e073956a16c55a8fcf5f4">file_name</a>)</td></tr>
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<tr class="memitem:a622dbc8abacebb40b816aa0174ba7c60 inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a622dbc8abacebb40b816aa0174ba7c60">ReadFileToString</a> (const char *<a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#abe158b9e7b1e073956a16c55a8fcf5f4">file_name</a>, std::string *contents)</td></tr>
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<tr class="memitem:afacdff207ba8359eaa029d8b1414c641 inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#afacdff207ba8359eaa029d8b1414c641">Copy</a> (const char *from_file_name, const char *to_file_name)</td></tr>
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<tr class="memitem:a1c218b7f815bae0f48800b385ddce67e inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">static int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a1c218b7f815bae0f48800b385ddce67e">CopyFile</a> (<a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">File</a> *source, <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">File</a> *destination)</td></tr>
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<tr class="separator:a1c218b7f815bae0f48800b385ddce67e inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9f5ebcd3bdebb7fb02a7a7adf378b344 inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memItemLeft" align="right" valign="top">static int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a9f5ebcd3bdebb7fb02a7a7adf378b344">CopyFile</a> (<a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">File</a> *source, <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html">File</a> *destination, int64_t max_copy)</td></tr>
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<tr class="separator:a9f5ebcd3bdebb7fb02a7a7adf378b344 inherit pub_static_methods_classshaka_1_1media_1_1File"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Declaration of class which implements a thread-safe circular buffer. </p>
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<p>Definition at line <a class="el" href="../../d2/da6/threaded__io__file_8h_source.html#l00021">21</a> of file <a class="el" href="../../d2/da6/threaded__io__file_8h_source.html">threaded_io_file.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">bool shaka::media::ThreadedIoFile::Close </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p><a class="el" href="../../d0/d66/classshaka_1_1media_1_1ThreadedIoFile.html#a4c8d46b1a16fba8bf4267c0a11fa856e">Flush()</a> and de-allocate resources associated with this file, and delete this <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html" title="Define an abstract file interface. ">File</a> object. THIS IS THE ONE TRUE WAY TO DEALLOCATE THIS OBJECT. </p>
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<dl class="section return"><dt>Returns</dt><dd>true on success. For writable files, returning false MAY INDICATE DATA LOSS. </dd></dl>
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<p>Implements <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a2bfb0c180840356933652a795527b5c8">shaka::media::File</a>.</p>
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<p>Definition at line <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html#l00058">58</a> of file <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html">threaded_io_file.cc</a>.</p>
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<td class="memname">bool shaka::media::ThreadedIoFile::Flush </td>
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<td>(</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Flush the file so that recently written data will survive an application crash (but not necessarily an OS crash). For instance, in <a class="el" href="../../d9/de6/classshaka_1_1media_1_1LocalFile.html" title="Implement LocalFile which deals with local storage. ">LocalFile</a> the data is flushed into the OS but not necessarily to disk. </p>
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<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
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<p>Implements <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#aba73e887fbfe2de3a679c679ddf03f4b">shaka::media::File</a>.</p>
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<p>Definition at line <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html#l00110">110</a> of file <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html">threaded_io_file.cc</a>.</p>
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<td class="memname">int64_t shaka::media::ThreadedIoFile::Read </td>
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<td>(</td>
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<td class="paramtype">void * </td>
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<td class="paramtype">uint64_t </td>
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<td class="paramname"><em>length</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Read data and return it in buffer. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[out]</td><td class="paramname">buffer</td><td>points to a block of memory with a size of at least <em>length</em> bytes. </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">length</td><td>indicates number of bytes to be read. </td></tr>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Number of bytes read, or a value < 0 on error. Zero on end-of-file, or if 'length' is zero. </dd></dl>
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<p>Implements <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#aed0c0793fd8751330583314a4d3012b9">shaka::media::File</a>.</p>
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<p>Definition at line <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html#l00072">72</a> of file <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html">threaded_io_file.cc</a>.</p>
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<a class="anchor" id="a4a30faf9c8e8b367bcfebb7b642d73e7"></a>
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<td class="memname">bool shaka::media::ThreadedIoFile::Seek </td>
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<td>(</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Seek to the specifield position in the file. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">position</td><td>is the position to seek to. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
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<p>Implements <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a3baaa3207abaeb6af1a8239ee866b5d3">shaka::media::File</a>.</p>
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<p>Definition at line <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html#l00120">120</a> of file <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html">threaded_io_file.cc</a>.</p>
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<td class="memname">int64_t shaka::media::ThreadedIoFile::Size </td>
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<dl class="section return"><dt>Returns</dt><dd>Size of the file in bytes. A return value less than zero indicates a problem getting the size. </dd></dl>
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<p>Implements <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#adffa2c3d12ae0a579704cf1f5b3bf8ab">shaka::media::File</a>.</p>
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<p>Definition at line <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html#l00104">104</a> of file <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html">threaded_io_file.cc</a>.</p>
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<td class="memname">bool shaka::media::ThreadedIoFile::Tell </td>
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<p>Get the current file position. </p>
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<dl class="section return"><dt>Returns</dt><dd>true on succcess, false otherwise. </dd></dl>
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<p>Implements <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a57dd80258b1989f85d99c154ba377db8">shaka::media::File</a>.</p>
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<p>Definition at line <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html#l00149">149</a> of file <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html">threaded_io_file.cc</a>.</p>
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<p>Write block of data. </p>
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<dl class="section return"><dt>Returns</dt><dd>Number of bytes written, or a value < 0 on error. </dd></dl>
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<p>Implements <a class="el" href="../../d3/d61/classshaka_1_1media_1_1File.html#a3149670c0d085e71f0aa085ee87fdda5">shaka::media::File</a>.</p>
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<p>Definition at line <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html#l00089">89</a> of file <a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html">threaded_io_file.cc</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>media/file/<a class="el" href="../../d2/da6/threaded__io__file_8h_source.html">threaded_io_file.h</a></li>
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<li>media/file/<a class="el" href="../../d2/d23/threaded__io__file_8cc_source.html">threaded_io_file.cc</a></li>
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</ul>
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