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199 lines
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<li class="navelem"><a class="el" href="../../dir_39dc0668bd5a501998f94e8b4e546c71.html">media</a></li><li class="navelem"><a class="el" href="../../dir_279fd47bebb21302c25cfb685e84c359.html">file</a></li> </ul>
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<div class="title">file.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 Google Inc. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef PACKAGER_FILE_FILE_H_</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor"></span><span class="preprocessor">#define PACKAGER_FILE_FILE_H_</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <stdint.h></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/base/macros.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>edash_packager {</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* kLocalFilePrefix;</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">const</span> int64_t kWholeFile = -1;</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="../../de/d19/classedash__packager_1_1media_1_1File.html"> 23</a></span> <span class="keyword">class </span><a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a> {</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">static</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>* <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a0933ccd7df76fcf8fbcfe12c15dbf6c5">Open</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad736ca7bb8da1cec749f51275a87872c">file_name</a>, <span class="keyword">const</span> <span class="keywordtype">char</span>* mode);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">static</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>* <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a47194a7cd303640c2a8b689d18ef9701">OpenWithNoBuffering</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* file_name, <span class="keyword">const</span> <span class="keywordtype">char</span>* mode);</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a7e0fcd3c439e810e8e17baf32dcc75af">Delete</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* file_name);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a42290da768cd34316d2f4c5fc3976b38">Close</a>() = 0;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">virtual</span> int64_t <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a663547ead01b035117429c0bc757aab7">Read</a>(<span class="keywordtype">void</span>* buffer, uint64_t length) = 0;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">virtual</span> int64_t <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad82196743ff131dd81e8f806735eb818">Write</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* buffer, uint64_t length) = 0;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">virtual</span> int64_t <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a1bb2a295cb69b3e51b9cc14969848632">Size</a>() = 0;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#ace9275a79c572614ee5d068a04c76392">Flush</a>() = 0;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a28da55565be854b866bf223aa4232042">Seek</a>(uint64_t position) = 0;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a19409dd7d63022f34aee85640460428e">Tell</a>(uint64_t* position) = 0;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad736ca7bb8da1cec749f51275a87872c"> 90</a></span>  <span class="keyword">const</span> std::string& <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad736ca7bb8da1cec749f51275a87872c">file_name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> file_name_; }</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// ************************************************************</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// * Static Methods: File-on-the-filesystem status</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// ************************************************************</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">static</span> int64_t <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a239a76adb5ff5c5340c58f96d7034ec6">GetFileSize</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* file_name);</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a9a4f45dcab338be2b6843e0de87ce8f1">ReadFileToString</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* file_name, std::string* contents);</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a79b8b288ff78288bdbb8c62d5dd858e1">Copy</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* from_file_name, <span class="keyword">const</span> <span class="keywordtype">char</span>* to_file_name);</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">static</span> int64_t <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad002a97c623840303bf6934055813196">CopyFile</a>(<a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>* source, <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>* destination);</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">static</span> int64_t <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad002a97c623840303bf6934055813196">CopyFile</a>(<a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>* source, <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>* destination, int64_t max_copy);</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">explicit</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>(<span class="keyword">const</span> std::string& file_name) : file_name_(file_name) {}</div>
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<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad1a8b1df388b90def135647a0136b0f7"> 131</a></span>  <span class="keyword">virtual</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad1a8b1df388b90def135647a0136b0f7">~File</a>() {}</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a0933ccd7df76fcf8fbcfe12c15dbf6c5">Open</a>() = 0;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html">ThreadedIoFile</a>;</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// This is a file factory method, it creates a proper file, e.g.</span></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// LocalFile, MemFile based on prefix.</span></div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">static</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>* Create(<span class="keyword">const</span> <span class="keywordtype">char</span>* file_name, <span class="keyword">const</span> <span class="keywordtype">char</span>* mode);</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">static</span> <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>* CreateInternalFile(<span class="keyword">const</span> <span class="keywordtype">char</span>* file_name, <span class="keyword">const</span> <span class="keywordtype">char</span>* mode);</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  std::string file_name_;</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html">File</a>);</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> };</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> } <span class="comment">// namespace edash_packager</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#endif // PACKAGER_FILE_FILE_H_</span></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a9a4f45dcab338be2b6843e0de87ce8f1"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a9a4f45dcab338be2b6843e0de87ce8f1">edash_packager::media::File::ReadFileToString</a></div><div class="ttdeci">static bool ReadFileToString(const char *file_name, std::string *contents)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00184">file.cc:184</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a42290da768cd34316d2f4c5fc3976b38"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a42290da768cd34316d2f4c5fc3976b38">edash_packager::media::File::Close</a></div><div class="ttdeci">virtual bool Close()=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a28da55565be854b866bf223aa4232042"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a28da55565be854b866bf223aa4232042">edash_packager::media::File::Seek</a></div><div class="ttdeci">virtual bool Seek(uint64_t position)=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a663547ead01b035117429c0bc757aab7"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a663547ead01b035117429c0bc757aab7">edash_packager::media::File::Read</a></div><div class="ttdeci">virtual int64_t Read(void *buffer, uint64_t length)=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a7e0fcd3c439e810e8e17baf32dcc75af"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a7e0fcd3c439e810e8e17baf32dcc75af">edash_packager::media::File::Delete</a></div><div class="ttdeci">static bool Delete(const char *file_name)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00162">file.cc:162</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_ad002a97c623840303bf6934055813196"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad002a97c623840303bf6934055813196">edash_packager::media::File::CopyFile</a></div><div class="ttdeci">static int64_t CopyFile(File *source, File *destination)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00232">file.cc:232</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html">edash_packager::media::File</a></div><div class="ttdoc">Define an abstract file interface. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d4d/file_8h_source.html#l00023">file.h:23</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a0933ccd7df76fcf8fbcfe12c15dbf6c5"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a0933ccd7df76fcf8fbcfe12c15dbf6c5">edash_packager::media::File::Open</a></div><div class="ttdeci">virtual bool Open()=0</div><div class="ttdoc">Internal open. Should not be used directly. </div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_ad736ca7bb8da1cec749f51275a87872c"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad736ca7bb8da1cec749f51275a87872c">edash_packager::media::File::file_name</a></div><div class="ttdeci">const std::string & file_name() const </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d4d/file_8h_source.html#l00090">file.h:90</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a19409dd7d63022f34aee85640460428e"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a19409dd7d63022f34aee85640460428e">edash_packager::media::File::Tell</a></div><div class="ttdeci">virtual bool Tell(uint64_t *position)=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a1bb2a295cb69b3e51b9cc14969848632"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a1bb2a295cb69b3e51b9cc14969848632">edash_packager::media::File::Size</a></div><div class="ttdeci">virtual int64_t Size()=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_ad1a8b1df388b90def135647a0136b0f7"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad1a8b1df388b90def135647a0136b0f7">edash_packager::media::File::~File</a></div><div class="ttdeci">virtual ~File()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d4d/file_8h_source.html#l00131">file.h:131</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1ThreadedIoFile_html"><div class="ttname"><a href="../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html">edash_packager::media::ThreadedIoFile</a></div><div class="ttdoc">Declaration of class which implements a thread-safe circular buffer. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da6/threaded__io__file_8h_source.html#l00024">threaded_io_file.h:24</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_ace9275a79c572614ee5d068a04c76392"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#ace9275a79c572614ee5d068a04c76392">edash_packager::media::File::Flush</a></div><div class="ttdeci">virtual bool Flush()=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a79b8b288ff78288bdbb8c62d5dd858e1"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a79b8b288ff78288bdbb8c62d5dd858e1">edash_packager::media::File::Copy</a></div><div class="ttdeci">static bool Copy(const char *from_file_name, const char *to_file_name)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00202">file.cc:202</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_ad82196743ff131dd81e8f806735eb818"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#ad82196743ff131dd81e8f806735eb818">edash_packager::media::File::Write</a></div><div class="ttdeci">virtual int64_t Write(const void *buffer, uint64_t length)=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a239a76adb5ff5c5340c58f96d7034ec6"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a239a76adb5ff5c5340c58f96d7034ec6">edash_packager::media::File::GetFileSize</a></div><div class="ttdeci">static int64_t GetFileSize(const char *file_name)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00175">file.cc:175</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a47194a7cd303640c2a8b689d18ef9701"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a47194a7cd303640c2a8b689d18ef9701">edash_packager::media::File::OpenWithNoBuffering</a></div><div class="ttdeci">static File * OpenWithNoBuffering(const char *file_name, const char *mode)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00151">file.cc:151</a></div></div>
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Generated on Fri Jan 8 2016 19:17:52 for DASH Media Packaging SDK by  <a href="http://www.doxygen.org/index.html">
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