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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_65f7acfa8cf3a5f1edc11faa2428b914.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_3e9291fd7a18fdecc763294cb2628910.html">mp4</a></li> </ul>
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<div class="title">box_reader.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 (c) 2012 The Chromium Authors. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// found in the LICENSE file.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#ifndef MEDIA_FORMATS_MP4_BOX_READER_H_</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_MP4_BOX_READER_H_</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <map></span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/compiler_specific.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/base/buffer_reader.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/formats/mp4/fourccs.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/formats/mp4/rcheck.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>edash_packager {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>mp4 {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">struct </span>Box;</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html"> 24</a></span> <span class="keyword">class </span><a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html">BoxReader</a> : <span class="keyword">public</span> <a class="code" href="../../d9/d46/classedash__packager_1_1media_1_1BufferReader.html">BufferReader</a> {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  ~<a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html">BoxReader</a>();</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">static</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html">BoxReader</a>* <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a029ef2fe387071143c42f50ffd1a16b5">ReadTopLevelBox</a>(<span class="keyword">const</span> uint8_t* buf,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> buf_size,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">bool</span>* err);</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a61fc23759071d1445b81cbcc9564c6a4">StartTopLevelBox</a>(<span class="keyword">const</span> uint8_t* buf,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> buf_size,</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  FourCC* type,</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  uint64_t* box_size,</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">bool</span>* err) WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a8505220e522a9b74a1f40adf3a84d29f">IsValidTopLevelBox</a>(<span class="keyword">const</span> FourCC& type);</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a6c660acb6864f70ee1125c3f4c809e02">ScanChildren</a>() WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a5bc71875b0e8fe70cba17e2fe6f974fa">ChildExist</a>(<a class="code" href="../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html">Box</a>* child) WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a480fdd0a597a8b77f7613abb2e8f5629">ReadChild</a>(<a class="code" href="../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html">Box</a>* child) WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#ae697ff0b40b4aa9feecb45d303f8f6bc">TryReadChild</a>(<a class="code" href="../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html">Box</a>* child) WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a7ce20788aedb0c790e09b83954545ed3">ReadChildren</a>(std::vector<T>* children) WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a">TryReadChildren</a>(std::vector<T>* children) WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#abe53f02532597d3bd76dc46820aa0615">ReadAllChildren</a>(std::vector<T>* children) WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">bool</span> ReadFourCC(FourCC* fourcc) {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  uint32_t val;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (!Read4(&val))</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  *fourcc = <span class="keyword">static_cast<</span>FourCC<span class="keyword">></span>(val);</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  FourCC type()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> type_; }</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html">BoxReader</a>(<span class="keyword">const</span> uint8_t* buf, <span class="keywordtype">size_t</span> size);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// Must be called immediately after init. If the return is false, this</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// indicates that the box header and its contents were not available in the</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// stream or were nonsensical, and that the box must not be used further. In</span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// this case, if |*err| is false, the problem was simply a lack of data, and</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// should only be an error condition if some higher-level component knows that</span></div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// no more data is coming (i.e. EOS or end of containing box). If |*err| is</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// true, the error is unrecoverable and the stream should be aborted.</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">bool</span> ReadHeader(<span class="keywordtype">bool</span>* err);</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  FourCC type_;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">typedef</span> std::multimap<FourCC, BoxReader*> ChildMap;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// The set of child box FourCCs and their corresponding buffer readers. Only</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// valid if scanned_ is true.</span></div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  ChildMap children_;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">bool</span> scanned_;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html">BoxReader</a>);</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> };</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// Template definitions.</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a7ce20788aedb0c790e09b83954545ed3"> 133</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a7ce20788aedb0c790e09b83954545ed3">BoxReader::ReadChildren</a>(std::vector<T>* children) {</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  RCHECK(<a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a">TryReadChildren</a>(children) && !children->empty());</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a"> 139</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a">BoxReader::TryReadChildren</a>(std::vector<T>* children) {</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  DCHECK(scanned_);</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  DCHECK(children->empty());</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>  children->resize(1);</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  FourCC child_type = (*children)[0].BoxType();</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  ChildMap::iterator start_itr = children_.lower_bound(child_type);</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  ChildMap::iterator end_itr = children_.upper_bound(child_type);</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  children->resize(std::distance(start_itr, end_itr));</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">typename</span> std::vector<T>::iterator child_itr = children->begin();</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">for</span> (ChildMap::iterator itr = start_itr; itr != end_itr; ++itr) {</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  RCHECK(child_itr->Parse(itr->second));</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">delete</span> itr->second;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  ++child_itr;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  children_.erase(start_itr, end_itr);</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  DVLOG(2) << <span class="stringliteral">"Found "</span> << children->size() << <span class="stringliteral">" "</span> << FourCCToString(child_type)</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  << <span class="stringliteral">" boxes."</span>;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> }</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#abe53f02532597d3bd76dc46820aa0615"> 163</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#abe53f02532597d3bd76dc46820aa0615">BoxReader::ReadAllChildren</a>(std::vector<T>* children) {</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  DCHECK(!scanned_);</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  scanned_ = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">while</span> (pos() < size()) {</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html">BoxReader</a> child_reader(&data()[pos()], size() - pos());</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">bool</span> err;</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (!child_reader.ReadHeader(&err))</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  T child;</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  RCHECK(child.Parse(&child_reader));</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  children->push_back(child);</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  RCHECK(<a class="code" href="../../d9/d46/classedash__packager_1_1media_1_1BufferReader.html#a2b7075e5a47a823b9f66c0ba702f26bf">SkipBytes</a>(child_reader.size()));</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> }</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> } <span class="comment">// namespace mp4</span></div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> } <span class="comment">// namespace edash_packager</span></div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#endif // MEDIA_FORMATS_MP4_BOX_READER_H_</span></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a7ce20788aedb0c790e09b83954545ed3"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a7ce20788aedb0c790e09b83954545ed3">edash_packager::media::mp4::BoxReader::ReadChildren</a></div><div class="ttdeci">bool ReadChildren(std::vector< T > *children) WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d92/box__reader_8h_source.html#l00133">box_reader.h:133</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a480fdd0a597a8b77f7613abb2e8f5629"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a480fdd0a597a8b77f7613abb2e8f5629">edash_packager::media::mp4::BoxReader::ReadChild</a></div><div class="ttdeci">bool ReadChild(Box *child) WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/df1/box__reader_8cc_source.html#l00123">box_reader.cc:123</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a029ef2fe387071143c42f50ffd1a16b5"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a029ef2fe387071143c42f50ffd1a16b5">edash_packager::media::mp4::BoxReader::ReadTopLevelBox</a></div><div class="ttdeci">static BoxReader * ReadTopLevelBox(const uint8_t *buf, const size_t buf_size, bool *err)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/df1/box__reader_8cc_source.html#l00037">box_reader.cc:37</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_ae697ff0b40b4aa9feecb45d303f8f6bc"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#ae697ff0b40b4aa9feecb45d303f8f6bc">edash_packager::media::mp4::BoxReader::TryReadChild</a></div><div class="ttdeci">bool TryReadChild(Box *child) WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/df1/box__reader_8cc_source.html#l00140">box_reader.cc:140</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a5bc71875b0e8fe70cba17e2fe6f974fa"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a5bc71875b0e8fe70cba17e2fe6f974fa">edash_packager::media::mp4::BoxReader::ChildExist</a></div><div class="ttdeci">bool ChildExist(Box *child) WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/df1/box__reader_8cc_source.html#l00136">box_reader.cc:136</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a8505220e522a9b74a1f40adf3a84d29f"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a8505220e522a9b74a1f40adf3a84d29f">edash_packager::media::mp4::BoxReader::IsValidTopLevelBox</a></div><div class="ttdeci">static bool IsValidTopLevelBox(const FourCC &type)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/df1/box__reader_8cc_source.html#l00078">box_reader.cc:78</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a6c660acb6864f70ee1125c3f4c809e02"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a6c660acb6864f70ee1125c3f4c809e02">edash_packager::media::mp4::BoxReader::ScanChildren</a></div><div class="ttdeci">bool ScanChildren() WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/df1/box__reader_8cc_source.html#l00103">box_reader.cc:103</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a61fc23759071d1445b81cbcc9564c6a4"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a61fc23759071d1445b81cbcc9564c6a4">edash_packager::media::mp4::BoxReader::StartTopLevelBox</a></div><div class="ttdeci">static bool StartTopLevelBox(const uint8_t *buf, const size_t buf_size, FourCC *type, uint64_t *box_size, bool *err) WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/df1/box__reader_8cc_source.html#l00060">box_reader.cc:60</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1BufferReader_html_a2b7075e5a47a823b9f66c0ba702f26bf"><div class="ttname"><a href="../../d9/d46/classedash__packager_1_1media_1_1BufferReader.html#a2b7075e5a47a823b9f66c0ba702f26bf">edash_packager::media::BufferReader::SkipBytes</a></div><div class="ttdeci">bool SkipBytes(size_t num_bytes) WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dbc/buffer__reader_8cc_source.html#l00056">buffer_reader.cc:56</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1mp4_1_1Box_html"><div class="ttname"><a href="../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html">edash_packager::media::mp4::Box</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d19/box_8h_source.html#l00028">box.h:28</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1BufferReader_html"><div class="ttname"><a href="../../d9/d46/classedash__packager_1_1media_1_1BufferReader.html">edash_packager::media::BufferReader</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/d3e/buffer__reader_8h_source.html#l00022">buffer_reader.h:22</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_abe53f02532597d3bd76dc46820aa0615"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#abe53f02532597d3bd76dc46820aa0615">edash_packager::media::mp4::BoxReader::ReadAllChildren</a></div><div class="ttdeci">bool ReadAllChildren(std::vector< T > *children) WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d92/box__reader_8h_source.html#l00163">box_reader.h:163</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a1e30404fe509e750023ae39a093b4e6a"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a">edash_packager::media::mp4::BoxReader::TryReadChildren</a></div><div class="ttdeci">bool TryReadChildren(std::vector< T > *children) WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d92/box__reader_8h_source.html#l00139">box_reader.h:139</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1BoxReader_html"><div class="ttname"><a href="../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html">edash_packager::media::mp4::BoxReader</a></div><div class="ttdoc">Class for reading MP4 boxes. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d92/box__reader_8h_source.html#l00024">box_reader.h:24</a></div></div>
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