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<li class="navelem"><a class="el" href="../../dir_89dd766eb2df7d7257dbe806a34404af.html">mpd</a></li><li class="navelem"><a class="el" href="../../dir_2618cd273dea54f184e42d7a562af818.html">base</a></li> </ul>
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<div class="title">mpd_notifier_util.cc</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 2015 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">#include "packager/mpd/base/mpd_notifier_util.h"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "packager/base/strings/string_number_conversions.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/base/strings/string_util.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/file/file_closer.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/file/file.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/mpd/base/mpd_utils.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>shaka {</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">using</span> media::File;</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> media::FileCloser;</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="../../d8/daf/namespaceshaka.html#a7e940cda37fa0dbefef3b3cc9c802ab8"> 20</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d8/daf/namespaceshaka.html#a7e940cda37fa0dbefef3b3cc9c802ab8">WriteMpdToFile</a>(<span class="keyword">const</span> std::string& output_path, <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html">MpdBuilder</a>* mpd_builder) {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  CHECK(!output_path.empty());</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="l00023"></a><span class="lineno"> 23</span>  std::string mpd;</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">if</span> (!mpd_builder-><a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#af7eae5cc11141eed2b5451d969e57db6">ToString</a>(&mpd)) {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  LOG(ERROR) << <span class="stringliteral">"Failed to write MPD to string."</span>;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  scoped_ptr<File, FileCloser> file(File::Open(output_path.c_str(), <span class="stringliteral">"w"</span>));</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">if</span> (!file) {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  LOG(ERROR) << <span class="stringliteral">"Failed to open file for writing: "</span> << output_path;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  }</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* mpd_char_ptr = mpd.data();</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">size_t</span> mpd_bytes_left = mpd.size();</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">while</span> (mpd_bytes_left > 0) {</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  int64_t length = file->Write(mpd_char_ptr, mpd_bytes_left);</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> (length <= 0) {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  LOG(ERROR) << <span class="stringliteral">"Failed to write to file '"</span> << output_path << <span class="stringliteral">"' ("</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  << length << <span class="stringliteral">")."</span>;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  mpd_char_ptr += length;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  mpd_bytes_left -= length;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// Release the pointer because Close() destructs itself.</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> file.release()->Close();</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="../../d8/daf/namespaceshaka.html#a5ea880937da26d677ff6a48c0219d090"> 51</a></span> ContentType <a class="code" href="../../d8/daf/namespaceshaka.html#a5ea880937da26d677ff6a48c0219d090">GetContentType</a>(<span class="keyword">const</span> MediaInfo& media_info) {</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">bool</span> has_video = media_info.has_video_info();</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_audio = media_info.has_audio_info();</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_text = media_info.has_text_info();</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (MoreThanOneTrue(has_video, has_audio, has_text)) {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  NOTIMPLEMENTED() << <span class="stringliteral">"MediaInfo with more than one stream is not supported."</span>;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> kContentTypeUnknown;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (!AtLeastOneTrue(has_video, has_audio, has_text)) {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  LOG(ERROR) << <span class="stringliteral">"MediaInfo should contain one audio, video, or text stream."</span>;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> kContentTypeUnknown;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> has_video ? kContentTypeVideo</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  : (has_audio ? kContentTypeAudio : kContentTypeText);</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="l00067"></a><span class="lineno"> 67</span> </div>
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<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="../../d8/daf/namespaceshaka.html#a4c7f8f964fec2bb9543e7ee8da9cd994"> 68</a></span> std::string <a class="code" href="../../d8/daf/namespaceshaka.html#a4c7f8f964fec2bb9543e7ee8da9cd994">Uint8VectorToBase64</a>(<span class="keyword">const</span> std::vector<uint8_t>& input) {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  std::string output;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  std::string input_in_string(input.begin(), input.end());</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  base::Base64Encode(input_in_string, &output);</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> output;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> } <span class="comment">// namespace shaka</span></div>
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<div class="ttc" id="classshaka_1_1MpdBuilder_html"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html">shaka::MpdBuilder</a></div><div class="ttdoc">This class generates DASH MPDs (Media Presentation Descriptions). </div><div class="ttdef"><b>Definition:</b> <a href="../../d6/da3/mpd__builder_8h_source.html#l00058">mpd_builder.h:58</a></div></div>
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<div class="ttc" id="namespaceshaka_html_a4c7f8f964fec2bb9543e7ee8da9cd994"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html#a4c7f8f964fec2bb9543e7ee8da9cd994">shaka::Uint8VectorToBase64</a></div><div class="ttdeci">std::string Uint8VectorToBase64(const std::vector< uint8_t > &input)</div><div class="ttdoc">Converts uint8 vector into base64 encoded string. </div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d2e/mpd__notifier__util_8cc_source.html#l00068">mpd_notifier_util.cc:68</a></div></div>
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<div class="ttc" id="classshaka_1_1MpdBuilder_html_af7eae5cc11141eed2b5451d969e57db6"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#af7eae5cc11141eed2b5451d969e57db6">shaka::MpdBuilder::ToString</a></div><div class="ttdeci">virtual bool ToString(std::string *output)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00429">mpd_builder.cc:429</a></div></div>
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<div class="ttc" id="namespaceshaka_html_a5ea880937da26d677ff6a48c0219d090"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html#a5ea880937da26d677ff6a48c0219d090">shaka::GetContentType</a></div><div class="ttdeci">ContentType GetContentType(const MediaInfo &media_info)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d2e/mpd__notifier__util_8cc_source.html#l00051">mpd_notifier_util.cc:51</a></div></div>
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<div class="ttc" id="namespaceshaka_html_a7e940cda37fa0dbefef3b3cc9c802ab8"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html#a7e940cda37fa0dbefef3b3cc9c802ab8">shaka::WriteMpdToFile</a></div><div class="ttdeci">bool WriteMpdToFile(const std::string &output_path, MpdBuilder *mpd_builder)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d2e/mpd__notifier__util_8cc_source.html#l00020">mpd_notifier_util.cc:20</a></div></div>
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