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<li class="navelem"><a class="el" href="../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html">packager</a></li><li class="navelem"><a class="el" href="../../dir_f99dae54fe7170f791f339b952d5067a.html">media</a></li><li class="navelem"><a class="el" href="../../dir_1338cd99faf71b6cb1609e99e3340e45.html">chunking</a></li> </ul>
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<div class="title">chunking_handler.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 2017 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/media/chunking/chunking_handler.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 <algorithm></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/logging.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/base/media_sample.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/status_macros.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><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kStreamIndex = 0;</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"> 20</span> <span class="keywordtype">bool</span> IsNewSegmentIndex(int64_t new_index, int64_t current_index) {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordflow">return</span> new_index != current_index &&</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="comment">// Index is calculated from pts, which could decrease. We do not expect</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="comment">// it to decrease by more than one segment though, which could happen</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="comment">// only if there is a big overlap in the timeline, in which case, we</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="comment">// will create a new segment and leave it to the player to handle it.</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  new_index != current_index - 1;</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> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> ChunkingHandler::ChunkingHandler(<span class="keyword">const</span> ChunkingParams& chunking_params)</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  : chunking_params_(chunking_params) {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  CHECK_NE(chunking_params.segment_duration_in_seconds, 0u);</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>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a76a5f4b74da3876cc72f44301c389ebd"> 36</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::InitializeInternal() {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">if</span> (num_input_streams() != 1 || next_output_stream_index() != 1) {</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::INVALID_ARGUMENT,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="stringliteral">"Expects exactly one input and one output."</span>);</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="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</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"><a class="line" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a44c30ffd7c283be2ba4347bda7848633"> 44</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::Process(std::unique_ptr<StreamData> stream_data) {</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">switch</span> (stream_data->stream_data_type) {</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">case</span> StreamDataType::kStreamInfo:</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> OnStreamInfo(std::move(stream_data->stream_info));</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">case</span> StreamDataType::kCueEvent:</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> OnCueEvent(std::move(stream_data->cue_event));</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">case</span> StreamDataType::kSegmentInfo:</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  VLOG(3) << <span class="stringliteral">"Droppping existing segment info."</span>;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">case</span> StreamDataType::kMediaSample:</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> OnMediaSample(std::move(stream_data->media_sample));</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  VLOG(3) << <span class="stringliteral">"Stream data type "</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  << <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(stream_data->stream_data_type) << <span class="stringliteral">" ignored."</span>;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> Dispatch(std::move(stream_data));</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> }</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
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<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#ab526bd53e4d49d7209f01d9b10b9ab52"> 62</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::OnFlushRequest(<span class="keywordtype">size_t</span> input_stream_index) {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  RETURN_IF_ERROR(EndSegmentIfStarted());</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> FlushDownstream(kStreamIndex);</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> }</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> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::OnStreamInfo(std::shared_ptr<const StreamInfo> info) {</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  time_scale_ = info->time_scale();</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  segment_duration_ =</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  chunking_params_.segment_duration_in_seconds * time_scale_;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  subsegment_duration_ =</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  chunking_params_.subsegment_duration_in_seconds * time_scale_;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> DispatchStreamInfo(kStreamIndex, std::move(info));</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>  </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::OnCueEvent(std::shared_ptr<const CueEvent> event) {</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  RETURN_IF_ERROR(EndSegmentIfStarted());</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> event_time_in_seconds = <span class="keyword">event</span>->time_in_seconds;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  RETURN_IF_ERROR(DispatchCueEvent(kStreamIndex, std::move(event)));</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="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// Force start new segment after cue event.</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  segment_start_time_ = base::nullopt;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// |cue_offset_| will be applied to sample timestamp so the segment after cue</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// point have duration ~= |segment_duration_|.</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  cue_offset_ = event_time_in_seconds * time_scale_;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</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="l00089"></a><span class="lineno"> 89</span> Status ChunkingHandler::OnMediaSample(</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  std::shared_ptr<const MediaSample> sample) {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  DCHECK_NE(time_scale_, 0u) << <span class="stringliteral">"kStreamInfo should arrive before kMediaSample"</span>;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> int64_t timestamp = sample->pts();</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">bool</span> started_new_segment = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> can_start_new_segment =</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  sample->is_key_frame() || !chunking_params_.segment_sap_aligned;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (can_start_new_segment) {</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> int64_t segment_index =</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  timestamp < cue_offset_ ? 0</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  : (timestamp - cue_offset_) / segment_duration_;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (!segment_start_time_ ||</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  IsNewSegmentIndex(segment_index, current_segment_index_)) {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  current_segment_index_ = segment_index;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// Reset subsegment index.</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  current_subsegment_index_ = 0;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  RETURN_IF_ERROR(EndSegmentIfStarted());</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  segment_start_time_ = timestamp;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  subsegment_start_time_ = timestamp;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  max_segment_time_ = timestamp + sample->duration();</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  started_new_segment = <span class="keyword">true</span>;</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="l00114"></a><span class="lineno"> 114</span>  }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (!started_new_segment && IsSubsegmentEnabled()) {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> can_start_new_subsegment =</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  sample->is_key_frame() || !chunking_params_.subsegment_sap_aligned;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (can_start_new_subsegment) {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> int64_t subsegment_index =</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  (timestamp - segment_start_time_.value()) / subsegment_duration_;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (IsNewSegmentIndex(subsegment_index, current_subsegment_index_)) {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  current_subsegment_index_ = subsegment_index;</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  RETURN_IF_ERROR(EndSubsegmentIfStarted());</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  subsegment_start_time_ = timestamp;</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>  }</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</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>  VLOG(3) << <span class="stringliteral">"Sample ts: "</span> << timestamp << <span class="stringliteral">" "</span></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  << <span class="stringliteral">" duration: "</span> << sample->duration() << <span class="stringliteral">" scale: "</span> << time_scale_</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  << (segment_start_time_ ? <span class="stringliteral">" dispatch "</span> : <span class="stringliteral">" discard "</span>);</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (!segment_start_time_) {</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  DCHECK(!subsegment_start_time_);</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// Discard samples before segment start. If the segment has started,</span></div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// |segment_start_time_| won't be null.</span></div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> Status::OK;</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>  </div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  segment_start_time_ = std::min(segment_start_time_.value(), timestamp);</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  subsegment_start_time_ = std::min(subsegment_start_time_.value(), timestamp);</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  max_segment_time_ =</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  std::max(max_segment_time_, timestamp + sample->duration());</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> DispatchMediaSample(kStreamIndex, std::move(sample));</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>  </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> Status ChunkingHandler::EndSegmentIfStarted()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (!segment_start_time_)</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">auto</span> segment_info = std::make_shared<SegmentInfo>();</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  segment_info->start_timestamp = segment_start_time_.value();</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  segment_info->duration = max_segment_time_ - segment_start_time_.value();</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span> DispatchSegmentInfo(kStreamIndex, std::move(segment_info));</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> }</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> Status ChunkingHandler::EndSubsegmentIfStarted()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> (!subsegment_start_time_)</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span> Status::OK;</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>  <span class="keyword">auto</span> subsegment_info = std::make_shared<SegmentInfo>();</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  subsegment_info->start_timestamp = subsegment_start_time_.value();</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  subsegment_info->duration =</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  max_segment_time_ - subsegment_start_time_.value();</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  subsegment_info->is_subsegment = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> DispatchSegmentInfo(kStreamIndex, std::move(subsegment_info));</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  </div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> } <span class="comment">// namespace shaka</span></div>
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<div class="ttc" id="aclassshaka_1_1Status_html"><div class="ttname"><a href="../../d2/d20/classshaka_1_1Status.html">shaka::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00110">status.h:110</a></div></div>
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<div class="ttc" id="anamespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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