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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2017 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// license that can be found in the LICENSE file or at</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;packager/media/chunking/chunking_handler.h&quot;</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &quot;packager/base/logging.h&quot;</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;packager/base/threading/platform_thread.h&quot;</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/media_sample.h&quot;</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">namespace </span>{</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;int64_t kThreadIdUnset = -1;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;} <span class="comment">// namespace</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="keyword">namespace </span>media {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;ChunkingHandler::ChunkingHandler(<span class="keyword">const</span> ChunkingParams&amp; chunking_params)</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; : chunking_params_(chunking_params),</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; thread_id_(kThreadIdUnset),</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; media_sample_comparator_(this),</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; cached_media_sample_stream_data_(media_sample_comparator_) {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; CHECK_NE(chunking_params.segment_duration_in_seconds, 0u);</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;}</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;ChunkingHandler::~ChunkingHandler() {}</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a76a5f4b74da3876cc72f44301c389ebd"> 32</a></span>&#160;<a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a76a5f4b74da3876cc72f44301c389ebd">ChunkingHandler::InitializeInternal</a>() {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; segment_info_.resize(num_input_streams());</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; subsegment_info_.resize(num_input_streams());</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; time_scales_.resize(num_input_streams());</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; last_sample_end_timestamps_.resize(num_input_streams());</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; num_cached_samples_.resize(num_input_streams());</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;}</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a44c30ffd7c283be2ba4347bda7848633"> 41</a></span>&#160;<a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a44c30ffd7c283be2ba4347bda7848633">ChunkingHandler::Process</a>(std::unique_ptr&lt;StreamData&gt; stream_data) {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordflow">switch</span> (stream_data-&gt;stream_data_type) {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">case</span> StreamDataType::kStreamInfo: {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="comment">// Make sure the inputs come from the same thread.</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">const</span> int64_t thread_id =</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keyword">static_cast&lt;</span>int64_t<span class="keyword">&gt;</span>(base::PlatformThread::CurrentId());</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; int64_t expected = kThreadIdUnset;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">if</span> (!thread_id_.compare_exchange_strong(expected, thread_id) &amp;&amp;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; expected != thread_id) {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::CHUNKING_ERROR,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="stringliteral">&quot;Inputs should come from the same thread.&quot;</span>);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> time_scale = stream_data-&gt;stream_info-&gt;time_scale();</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="comment">// The video stream is treated as the main stream. If there is only one</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="comment">// stream, it is the main stream.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keyword">const</span> <span class="keywordtype">bool</span> is_main_stream =</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; main_stream_index_ == kInvalidStreamIndex &amp;&amp;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; (stream_data-&gt;stream_info-&gt;stream_type() == kStreamVideo ||</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; num_input_streams() == 1);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keywordflow">if</span> (is_main_stream) {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; main_stream_index_ = stream_data-&gt;stream_index;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; segment_duration_ =</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; chunking_params_.segment_duration_in_seconds * time_scale;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; subsegment_duration_ =</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; chunking_params_.subsegment_duration_in_seconds * time_scale;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stream_data-&gt;stream_info-&gt;stream_type() == kStreamVideo) {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::CHUNKING_ERROR,</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="stringliteral">&quot;Only one video stream is allowed per chunking handler.&quot;</span>);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; time_scales_[stream_data-&gt;stream_index] = time_scale;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">case</span> StreamDataType::kScte35Event: {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordflow">if</span> (stream_data-&gt;stream_index != main_stream_index_) {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; VLOG(3) &lt;&lt; <span class="stringliteral">&quot;Dropping scte35 event from non main stream.&quot;</span>;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; scte35_events_.push(std::move(stream_data));</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordflow">case</span> StreamDataType::kSegmentInfo:</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; VLOG(3) &lt;&lt; <span class="stringliteral">&quot;Droppping existing segment info.&quot;</span>;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">case</span> StreamDataType::kMediaSample: {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> stream_index = stream_data-&gt;stream_index;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; DCHECK_NE(time_scales_[stream_index], 0u)</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; &lt;&lt; <span class="stringliteral">&quot;kStreamInfo should arrive before kMediaSample&quot;</span>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">if</span> (stream_index != main_stream_index_ &amp;&amp;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; !stream_data-&gt;media_sample-&gt;is_key_frame()) {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::CHUNKING_ERROR,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="stringliteral">&quot;All non video samples should be key frames.&quot;</span>);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="comment">// The streams are expected to be roughly synchronized, so we don&#39;t expect</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="comment">// to see a lot of samples from one stream but no samples from another</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="comment">// stream.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="comment">// The value is kind of arbitrary here. For a 24fps video, it is ~40s.</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> kMaxCachedSamplesPerStream = 1000u;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">if</span> (num_cached_samples_[stream_index] &gt;= kMaxCachedSamplesPerStream) {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Streams are not synchronized:&quot;</span>;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; num_cached_samples_.size(); ++i)</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot; [Stream &quot;</span> &lt;&lt; i &lt;&lt; <span class="stringliteral">&quot;] &quot;</span> &lt;&lt; num_cached_samples_[i];</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::CHUNKING_ERROR, <span class="stringliteral">&quot;Streams are not synchronized.&quot;</span>);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; cached_media_sample_stream_data_.push(std::move(stream_data));</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; ++num_cached_samples_[stream_index];</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="comment">// If we have cached samples from every stream, the first sample in</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="comment">// |cached_media_samples_stream_data_| is guaranteed to be the earliest</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="comment">// sample. Extract and process that sample.</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">if</span> (std::all_of(num_cached_samples_.begin(), num_cached_samples_.end(),</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; [](<span class="keywordtype">size_t</span> num_samples) { <span class="keywordflow">return</span> num_samples &gt; 0; })) {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> top_stream_index =</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; cached_media_sample_stream_data_.top()-&gt;stream_index;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status = ProcessMediaSampleStreamData(</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; *cached_media_sample_stream_data_.top());</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keywordflow">if</span> (!status.ok())</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; cached_media_sample_stream_data_.pop();</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">if</span> (--num_cached_samples_[top_stream_index] == 0)</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; }</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordflow">default</span>:</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; VLOG(3) &lt;&lt; <span class="stringliteral">&quot;Stream data type &quot;</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; &lt;&lt; <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(stream_data-&gt;stream_data_type) &lt;&lt; <span class="stringliteral">&quot; ignored.&quot;</span>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; }</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">return</span> Dispatch(std::move(stream_data));</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;}</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;</div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#ab526bd53e4d49d7209f01d9b10b9ab52"> 137</a></span>&#160;<a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#ab526bd53e4d49d7209f01d9b10b9ab52">ChunkingHandler::OnFlushRequest</a>(<span class="keywordtype">size_t</span> input_stream_index) {</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="comment">// Process all cached samples.</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">while</span> (!cached_media_sample_stream_data_.empty()) {</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status =</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; ProcessMediaSampleStreamData(*cached_media_sample_stream_data_.top());</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">if</span> (!status.ok())</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; --num_cached_samples_[cached_media_sample_stream_data_.top()-&gt;stream_index];</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; cached_media_sample_stream_data_.pop();</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; }</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordflow">if</span> (segment_info_[input_stream_index]) {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keyword">auto</span>&amp; segment_info = segment_info_[input_stream_index];</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keywordflow">if</span> (segment_info-&gt;start_timestamp != -1) {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; segment_info-&gt;duration = last_sample_end_timestamps_[input_stream_index] -</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; segment_info-&gt;start_timestamp;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status =</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; DispatchSegmentInfo(input_stream_index, std::move(segment_info));</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">if</span> (!status.ok())</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> output_stream_index = input_stream_index;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">return</span> FlushDownstream(output_stream_index);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;}</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;<a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::ProcessMainMediaSample(<span class="keyword">const</span> <a class="code" href="../../d7/d6d/classshaka_1_1media_1_1MediaSample.html">MediaSample</a>* sample) {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keyword">const</span> <span class="keywordtype">bool</span> is_key_frame = sample-&gt;is_key_frame();</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keyword">const</span> int64_t timestamp = sample-&gt;dts();</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="comment">// Check if we need to terminate the current (sub)segment.</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordtype">bool</span> new_segment = <span class="keyword">false</span>;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordtype">bool</span> new_subsegment = <span class="keyword">false</span>;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; std::shared_ptr&lt;CueEvent&gt; cue_event;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">if</span> (is_key_frame || !chunking_params_.segment_sap_aligned) {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keyword">const</span> int64_t segment_index = timestamp / segment_duration_;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">if</span> (segment_index != current_segment_index_) {</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; current_segment_index_ = segment_index;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="comment">// Reset subsegment index.</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; current_subsegment_index_ = 0;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; new_segment = <span class="keyword">true</span>;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; }</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="comment">// We use &#39;while&#39; instead of &#39;if&#39; to make sure to pop off multiple SCTE35</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="comment">// events that may be very close to each other.</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">while</span> (!scte35_events_.empty() &amp;&amp;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; (scte35_events_.top()-&gt;scte35_event-&gt;start_time &lt;= timestamp)) {</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">// For simplicity, don&#39;t change |current_segment_index_|.</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; current_subsegment_index_ = 0;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; new_segment = <span class="keyword">true</span>;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; cue_event = std::make_shared&lt;CueEvent&gt;();</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="comment">// Use PTS instead of DTS for cue event timestamp.</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; cue_event-&gt;timestamp = sample-&gt;pts();</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; cue_event-&gt;cue_data = scte35_events_.top()-&gt;scte35_event-&gt;cue_data;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; LOG(INFO) &lt;&lt; <span class="stringliteral">&quot;Chunked at &quot;</span> &lt;&lt; timestamp &lt;&lt; <span class="stringliteral">&quot; for Ad Cue.&quot;</span>;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; scte35_events_.pop();</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; }</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; }</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="keywordflow">if</span> (!new_segment &amp;&amp; subsegment_duration_ &gt; 0 &amp;&amp;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; (is_key_frame || !chunking_params_.subsegment_sap_aligned)) {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keyword">const</span> int64_t subsegment_index =</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; (timestamp - segment_info_[main_stream_index_]-&gt;start_timestamp) /</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; subsegment_duration_;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordflow">if</span> (subsegment_index != current_subsegment_index_) {</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; current_subsegment_index_ = subsegment_index;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; new_subsegment = <span class="keyword">true</span>;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; }</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="keywordflow">if</span> (new_segment) {</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; status.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(DispatchSegmentInfoForAllStreams());</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; segment_info_[main_stream_index_]-&gt;start_timestamp = timestamp;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keywordflow">if</span> (cue_event)</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; status.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(DispatchCueEventForAllStreams(std::move(cue_event)));</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; }</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keywordflow">if</span> (subsegment_duration_ &gt; 0 &amp;&amp; (new_segment || new_subsegment)) {</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; status.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(DispatchSubsegmentInfoForAllStreams());</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; subsegment_info_[main_stream_index_]-&gt;start_timestamp = timestamp;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; }</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;}</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160;<a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::ProcessMediaSampleStreamData(</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a>&amp; media_sample_stream_data) {</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> stream_index = media_sample_stream_data.stream_index;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> sample = std::move(media_sample_stream_data.media_sample);</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordflow">if</span> (stream_index == main_stream_index_) {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status = ProcessMainMediaSample(sample.get());</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="keywordflow">if</span> (!status.ok())</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; VLOG(3) &lt;&lt; <span class="stringliteral">&quot;Stream index: &quot;</span> &lt;&lt; stream_index &lt;&lt; <span class="stringliteral">&quot; &quot;</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; &lt;&lt; <span class="stringliteral">&quot;Sample ts: &quot;</span> &lt;&lt; sample-&gt;dts() &lt;&lt; <span class="stringliteral">&quot; &quot;</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; &lt;&lt; <span class="stringliteral">&quot; duration: &quot;</span> &lt;&lt; sample-&gt;duration()</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; &lt;&lt; <span class="stringliteral">&quot; scale: &quot;</span> &lt;&lt; time_scales_[stream_index] &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; &lt;&lt; <span class="stringliteral">&quot; scale: &quot;</span> &lt;&lt; time_scales_[main_stream_index_]</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; &lt;&lt; (segment_info_[stream_index] ? <span class="stringliteral">&quot; dispatch &quot;</span> : <span class="stringliteral">&quot; discard &quot;</span>);</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="comment">// Discard samples before segment start. If the segment has started,</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="comment">// |segment_info_[stream_index]| won&#39;t be null.</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <span class="keywordflow">if</span> (!segment_info_[stream_index])</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <span class="keywordflow">if</span> (segment_info_[stream_index]-&gt;start_timestamp == -1)</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; segment_info_[stream_index]-&gt;start_timestamp = sample-&gt;dts();</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="keywordflow">if</span> (subsegment_info_[stream_index] &amp;&amp;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; subsegment_info_[stream_index]-&gt;start_timestamp == -1) {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; subsegment_info_[stream_index]-&gt;start_timestamp = sample-&gt;dts();</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; }</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; last_sample_end_timestamps_[stream_index] =</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; sample-&gt;dts() + sample-&gt;duration();</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="keywordflow">return</span> DispatchMediaSample(stream_index, std::move(sample));</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;}</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160;</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160;<a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::DispatchSegmentInfoForAllStreams() {</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; segment_info_.size() &amp;&amp; status.ok(); ++i) {</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; <span class="keywordflow">if</span> (segment_info_[i] &amp;&amp; segment_info_[i]-&gt;start_timestamp != -1) {</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; segment_info_[i]-&gt;duration =</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; last_sample_end_timestamps_[i] - segment_info_[i]-&gt;start_timestamp;</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; status.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(DispatchSegmentInfo(i, std::move(segment_info_[i])));</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; }</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; segment_info_[i].reset(<span class="keyword">new</span> <a class="code" href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html">SegmentInfo</a>);</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; subsegment_info_[i].reset();</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; }</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160;}</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160;</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160;<a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::DispatchSubsegmentInfoForAllStreams() {</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status;</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; subsegment_info_.size() &amp;&amp; status.ok(); ++i) {</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="keywordflow">if</span> (subsegment_info_[i] &amp;&amp; subsegment_info_[i]-&gt;start_timestamp != -1) {</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; subsegment_info_[i]-&gt;duration =</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; last_sample_end_timestamps_[i] - subsegment_info_[i]-&gt;start_timestamp;</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; status.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(DispatchSegmentInfo(i, std::move(subsegment_info_[i])));</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; }</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; subsegment_info_[i].reset(<span class="keyword">new</span> <a class="code" href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html">SegmentInfo</a>);</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; subsegment_info_[i]-&gt;is_subsegment = <span class="keyword">true</span>;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; }</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;}</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160;<a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> ChunkingHandler::DispatchCueEventForAllStreams(</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; std::shared_ptr&lt;CueEvent&gt; cue_event) {</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; segment_info_.size() &amp;&amp; status.ok(); ++i) {</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; std::shared_ptr&lt;CueEvent&gt; new_cue_event(<span class="keyword">new</span> <a class="code" href="../../da/d93/structshaka_1_1media_1_1CueEvent.html">CueEvent</a>(*cue_event));</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; new_cue_event-&gt;timestamp = cue_event-&gt;timestamp * time_scales_[i] /</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; time_scales_[main_stream_index_];</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; status.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(DispatchCueEvent(i, std::move(new_cue_event)));</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; }</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160;}</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160;ChunkingHandler::MediaSampleTimestampGreater::MediaSampleTimestampGreater(</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html">ChunkingHandler</a>* <span class="keyword">const</span> chunking_handler)</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; : chunking_handler_(chunking_handler) {}</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160;</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160;<span class="keywordtype">bool</span> ChunkingHandler::MediaSampleTimestampGreater::operator()(</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; <span class="keyword">const</span> std::unique_ptr&lt;StreamData&gt;&amp; lhs,</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; <span class="keyword">const</span> std::unique_ptr&lt;StreamData&gt;&amp; rhs)<span class="keyword"> const </span>{</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; DCHECK(lhs);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; DCHECK(rhs);</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="keywordflow">return</span> GetSampleTimeInSeconds(*lhs) &gt; GetSampleTimeInSeconds(*rhs);</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160;}</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160;</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160;<span class="keywordtype">double</span> ChunkingHandler::MediaSampleTimestampGreater::GetSampleTimeInSeconds(</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a>&amp; media_sample_stream_data)<span class="keyword"> const </span>{</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> stream_index = media_sample_stream_data.stream_index;</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span>&amp; sample = media_sample_stream_data.media_sample;</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; DCHECK(sample);</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; <span class="comment">// Order main samples by left boundary and non main samples by mid-point. This</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; <span class="comment">// ensures non main samples are properly chunked, i.e. if the portion of the</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="comment">// sample in the next chunk is bigger than the portion of the sample in the</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="comment">// previous chunk, the sample is placed in the next chunk.</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="keyword">const</span> uint64_t timestamp =</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; stream_index == chunking_handler_-&gt;main_stream_index_</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; ? sample-&gt;dts()</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; : (sample-&gt;dts() + sample-&gt;duration() / 2);</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(timestamp) /</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; chunking_handler_-&gt;time_scales_[stream_index];</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160;}</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160;</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160;<span class="keywordtype">bool</span> ChunkingHandler::Scte35EventTimestampGreater::operator()(</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; <span class="keyword">const</span> std::unique_ptr&lt;StreamData&gt;&amp; lhs,</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; <span class="keyword">const</span> std::unique_ptr&lt;StreamData&gt;&amp; rhs)<span class="keyword"> const </span>{</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; DCHECK(lhs);</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; DCHECK(rhs);</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; DCHECK(lhs-&gt;scte35_event);</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; DCHECK(rhs-&gt;scte35_event);</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; <span class="keywordflow">return</span> lhs-&gt;scte35_event-&gt;start_time &gt; rhs-&gt;scte35_event-&gt;start_time;</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160;}</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160;} <span class="comment">// namespace media</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160;} <span class="comment">// namespace shaka</span></div><div class="ttc" id="classshaka_1_1media_1_1ChunkingHandler_html_a44c30ffd7c283be2ba4347bda7848633"><div class="ttname"><a href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a44c30ffd7c283be2ba4347bda7848633">shaka::media::ChunkingHandler::Process</a></div><div class="ttdeci">Status Process(std::unique_ptr&lt; StreamData &gt; stream_data) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d12/chunking__handler_8cc_source.html#l00041">chunking_handler.cc:41</a></div></div>
<div class="ttc" id="structshaka_1_1media_1_1SegmentInfo_html"><div class="ttname"><a href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html">shaka::media::SegmentInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00053">media_handler.h:53</a></div></div>
<div class="ttc" id="structshaka_1_1media_1_1StreamData_html"><div class="ttname"><a href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">shaka::media::StreamData</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00065">media_handler.h:65</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1ChunkingHandler_html_a76a5f4b74da3876cc72f44301c389ebd"><div class="ttname"><a href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#a76a5f4b74da3876cc72f44301c389ebd">shaka::media::ChunkingHandler::InitializeInternal</a></div><div class="ttdeci">Status InitializeInternal() override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d12/chunking__handler_8cc_source.html#l00032">chunking_handler.cc:32</a></div></div>
<div class="ttc" id="namespaceshaka_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>
<div class="ttc" id="structshaka_1_1media_1_1CueEvent_html"><div class="ttname"><a href="../../da/d93/structshaka_1_1media_1_1CueEvent.html">shaka::media::CueEvent</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00047">media_handler.h:47</a></div></div>
<div class="ttc" id="classshaka_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>
<div class="ttc" id="classshaka_1_1media_1_1ChunkingHandler_html_ab526bd53e4d49d7209f01d9b10b9ab52"><div class="ttname"><a href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html#ab526bd53e4d49d7209f01d9b10b9ab52">shaka::media::ChunkingHandler::OnFlushRequest</a></div><div class="ttdeci">Status OnFlushRequest(size_t input_stream_index) override</div><div class="ttdoc">Event handler for flush request at the specific input stream index. </div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d12/chunking__handler_8cc_source.html#l00137">chunking_handler.cc:137</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1MediaSample_html"><div class="ttname"><a href="../../d7/d6d/classshaka_1_1media_1_1MediaSample.html">shaka::media::MediaSample</a></div><div class="ttdoc">Class to hold a media sample. </div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d80/media__sample_8h_source.html#l00022">media_sample.h:22</a></div></div>
<div class="ttc" id="classshaka_1_1Status_html_a9c0536749c9abc21c1111e622de6b7c8"><div class="ttname"><a href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">shaka::Status::Update</a></div><div class="ttdeci">void Update(Status new_status)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dc3/status_8cc_source.html#l00076">status.cc:76</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1ChunkingHandler_html"><div class="ttname"><a href="../../d4/d43/classshaka_1_1media_1_1ChunkingHandler.html">shaka::media::ChunkingHandler</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d79/chunking__handler_8h_source.html#l00046">chunking_handler.h:46</a></div></div>
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