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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2016 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div><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><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><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><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "packager/media/formats/mp2t/ts_writer.h"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/buffer_writer.h"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/base/media_sample.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/formats/mp2t/pes_packet.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/formats/mp2t/program_map_table_writer.h"</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "packager/media/formats/mp2t/ts_packet_writer_util.h"</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>media {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>mp2t {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>{</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// For all the pointer fields in the following PAT and PMTs, they are not really</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// part of PAT or PMT but it's there so that TsPacket can point to a memory</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// location that starts from pointer field.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">const</span> uint8_t kProgramAssociationTableId = 0x00;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// This PAT can be used for both encrypted and clear.</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">const</span> uint8_t kPat[] = {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  0x00, <span class="comment">// pointer field</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  kProgramAssociationTableId,</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  0xB0, <span class="comment">// The last 2 '00' assumes that this PAT is not very long.</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  0x0D, <span class="comment">// Length of the rest of this array.</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  0x00, 0x00, <span class="comment">// Transport stream ID is 0.</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  0xC1, <span class="comment">// version number 0, current next indicator 1.</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  0x00, <span class="comment">// section number</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  0x00, <span class="comment">// last section number</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// program number -> PMT PID mapping.</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  0x00, 0x01, <span class="comment">// program number is 1.</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  0xE0, <span class="comment">// first 3 bits is reserved.</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  ProgramMapTableWriter::kPmtPid,</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// CRC32.</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  0xF9, 0x62, 0xF5, 0x8B,</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> };</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> kHasPcr = <span class="keyword">true</span>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> kPayloadUnitStartIndicator = <span class="keyword">true</span>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// This is the size of the first few fields in a TS packet, i.e. TS packet size</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// without adaptation field or the payload.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kTsPacketHeaderSize = 4;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kTsPacketSize = 188;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kTsPacketMaximumPayloadSize =</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  kTsPacketSize - kTsPacketHeaderSize;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kMaxPesPacketLengthValue = 0xFFFF;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keywordtype">void</span> WritePatToBuffer(<span class="keyword">const</span> uint8_t* pat,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">int</span> pat_size,</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  ContinuityCounter* continuity_counter,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  BufferWriter* writer) {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kPatPid = 0;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  WritePayloadToBufferWriter(pat, pat_size, kPayloadUnitStartIndicator, kPatPid,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  !kHasPcr, 0, continuity_counter, writer);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// The only difference between writing PTS or DTS is the leading bits.</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keywordtype">void</span> WritePtsOrDts(uint8_t leading_bits,</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  uint64_t pts_or_dts,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  BufferWriter* writer) {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// First byte has 3 MSB of PTS.</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  uint8_t first_byte =</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  leading_bits << 4 | (((pts_or_dts >> 30) & 0x07) << 1) | 1;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Second byte has the next 8 bits of pts.</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  uint8_t second_byte = (pts_or_dts >> 22) & 0xFF;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// Third byte has the next 7 bits of pts followed by a marker bit.</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  uint8_t third_byte = (((pts_or_dts >> 15) & 0x7F) << 1) | 1;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// Fourth byte has the next 8 bits of pts.</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  uint8_t fourth_byte = ((pts_or_dts >> 7) & 0xFF);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// Fifth byte has the last 7 bits of pts followed by a marker bit.</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  uint8_t fifth_byte = ((pts_or_dts & 0x7F) << 1) | 1;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  writer->AppendInt(first_byte);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  writer->AppendInt(second_byte);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  writer->AppendInt(third_byte);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  writer->AppendInt(fourth_byte);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  writer->AppendInt(fifth_byte);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keywordtype">bool</span> WritePesToFile(<span class="keyword">const</span> PesPacket& pes,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  ContinuityCounter* continuity_counter,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  File* file) {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// The size of the length field.</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kAdaptationFieldLengthSize = 1;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// The size of the flags field.</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kAdaptationFieldHeaderSize = 1;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kPcrFieldSize = 6;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kTsPacketMaxPayloadWithPcr =</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  kTsPacketMaximumPayloadSize - kAdaptationFieldLengthSize -</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  kAdaptationFieldHeaderSize - kPcrFieldSize;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">const</span> uint64_t pcr_base = pes.has_dts() ? pes.dts() : pes.pts();</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> pid = ProgramMapTableWriter::kElementaryPid;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// This writer will hold part of PES packet after PES_packet_length field.</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  BufferWriter pes_header_writer;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// The first bit must be '10' for PES with video or audio stream id. The other</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// flags (bits) don't matter so they are 0.</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  pes_header_writer.AppendInt(static_cast<uint8_t>(0x80));</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  pes_header_writer.AppendInt(</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  static_cast<uint8_t>(static_cast<int>(pes.has_pts()) << 7 |</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  static_cast<int>(pes.has_dts()) << 6</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// Other fields are all 0.</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  ));</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  uint8_t pes_header_data_length = 0;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (pes.has_pts())</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  pes_header_data_length += 5;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (pes.has_dts())</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  pes_header_data_length += 5;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  pes_header_writer.AppendInt(pes_header_data_length);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (pes.has_pts() && pes.has_dts()) {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  WritePtsOrDts(0x03, pes.pts(), &pes_header_writer);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  WritePtsOrDts(0x01, pes.dts(), &pes_header_writer);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pes.has_pts()) {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  WritePtsOrDts(0x02, pes.pts(), &pes_header_writer);</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Put the first TS packet's payload into a buffer. This contains the PES</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// packet's header.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  BufferWriter first_ts_packet_buffer(kTsPacketSize);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  first_ts_packet_buffer.AppendNBytes(static_cast<uint64_t>(0x000001), 3);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  first_ts_packet_buffer.AppendInt(pes.stream_id());</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> pes_packet_length = pes.data().size() + pes_header_writer.Size();</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  first_ts_packet_buffer.AppendInt(static_cast<uint16_t>(</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  pes_packet_length > kMaxPesPacketLengthValue ? 0 : pes_packet_length));</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  first_ts_packet_buffer.AppendBuffer(pes_header_writer);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> available_payload =</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  kTsPacketMaxPayloadWithPcr - first_ts_packet_buffer.Size();</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> bytes_consumed = std::min(pes.data().size(), available_payload);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  first_ts_packet_buffer.AppendArray(pes.data().data(), bytes_consumed);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  BufferWriter output_writer;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  WritePayloadToBufferWriter(first_ts_packet_buffer.Buffer(),</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  first_ts_packet_buffer.Size(),</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  kPayloadUnitStartIndicator, pid, kHasPcr, pcr_base,</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  continuity_counter, &output_writer);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> remaining_pes_data_size = pes.data().size() - bytes_consumed;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (remaining_pes_data_size > 0) {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  WritePayloadToBufferWriter(pes.data().data() + bytes_consumed,</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  remaining_pes_data_size,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  !kPayloadUnitStartIndicator, pid, !kHasPcr, 0,</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  continuity_counter, &output_writer);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> output_writer.WriteToFile(file).ok();</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> TsWriter::TsWriter(std::unique_ptr<ProgramMapTableWriter> pmt_writer)</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  : pmt_writer_(<a class="code" href="../../d8/dcc/namespacestd.html">std</a>::move(pmt_writer)) {}</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> TsWriter::~TsWriter() {}</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#a9ba30b9cc1e4ae2992735709ae987c64"> 166</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#a9ba30b9cc1e4ae2992735709ae987c64">TsWriter::NewSegment</a>(<span class="keyword">const</span> std::string& file_name) {</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (current_file_) {</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  LOG(ERROR) << <span class="stringliteral">"File "</span> << current_file_->file_name() << <span class="stringliteral">" still open."</span>;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  current_file_.reset(<a class="code" href="../../d3/d73/classshaka_1_1File.html#a68a15f623c2a1601879f291f93a1f464">File::Open</a>(file_name.c_str(), <span class="stringliteral">"w"</span>));</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (!current_file_) {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  LOG(ERROR) << <span class="stringliteral">"Failed to open file "</span> << file_name;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html">BufferWriter</a> psi;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  WritePatToBuffer(kPat, arraysize(kPat), &pat_continuity_counter_, &psi);</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (encrypted_) {</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (!pmt_writer_->EncryptedSegmentPmt(&psi)) {</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (!pmt_writer_->ClearSegmentPmt(&psi)) {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (!psi.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#a868dba843fcf923dd140fdda859a3a6d">WriteToFile</a>(current_file_.get()).ok()) {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  LOG(ERROR) << <span class="stringliteral">"Failed to write PSI to file."</span>;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#afc47f61bce7cd4f8f6a6ea0ec2c96d4c"> 197</a></span> <span class="keywordtype">void</span> <a class="code" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#afc47f61bce7cd4f8f6a6ea0ec2c96d4c">TsWriter::SignalEncrypted</a>() {</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  encrypted_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#ae9979f940d7a07127709576aa1f766a1"> 201</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#ae9979f940d7a07127709576aa1f766a1">TsWriter::FinalizeSegment</a>() {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span> current_file_.release()->Close();</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"><a class="line" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#a19a7699df7ac129aedfdff074a8a18a3"> 205</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#a19a7699df7ac129aedfdff074a8a18a3">TsWriter::AddPesPacket</a>(std::unique_ptr<PesPacket> pes_packet) {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  DCHECK(current_file_);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">if</span> (!WritePesToFile(*pes_packet, &elementary_stream_continuity_counter_,</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  current_file_.get())) {</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  LOG(ERROR) << <span class="stringliteral">"Failed to write pes to file."</span>;</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// No need to keep pes_packet around so not passing it anywhere.</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00217"></a><span class="lineno"><a class="line" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#a21cc3ee32524d065d50de1dcbd0593ed"> 217</a></span> base::Optional<uint64_t> <a class="code" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#a21cc3ee32524d065d50de1dcbd0593ed">TsWriter::GetFilePosition</a>() {</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (!current_file_)</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">return</span> base::nullopt;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  uint64_t position;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">return</span> current_file_->Tell(&position) ? base::make_optional(position)</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  : base::nullopt;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> }</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> } <span class="comment">// namespace mp2t</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> } <span class="comment">// namespace media</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> } <span class="comment">// namespace shaka</span></div><div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1TsWriter_html_a9ba30b9cc1e4ae2992735709ae987c64"><div class="ttname"><a href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#a9ba30b9cc1e4ae2992735709ae987c64">shaka::media::mp2t::TsWriter::NewSegment</a></div><div class="ttdeci">virtual bool NewSegment(const std::string &file_name)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00166">ts_writer.cc:166</a></div></div>
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<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="../../d8/dcc/namespacestd.html">std</a></div><div class="ttdoc">STL namespace. </div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1TsWriter_html_a21cc3ee32524d065d50de1dcbd0593ed"><div class="ttname"><a href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#a21cc3ee32524d065d50de1dcbd0593ed">shaka::media::mp2t::TsWriter::GetFilePosition</a></div><div class="ttdeci">base::Optional< uint64_t > GetFilePosition()</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00217">ts_writer.cc:217</a></div></div>
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<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>
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<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1TsWriter_html_a19a7699df7ac129aedfdff074a8a18a3"><div class="ttname"><a href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#a19a7699df7ac129aedfdff074a8a18a3">shaka::media::mp2t::TsWriter::AddPesPacket</a></div><div class="ttdeci">virtual bool AddPesPacket(std::unique_ptr< PesPacket > pes_packet)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00205">ts_writer.cc:205</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1BufferWriter_html"><div class="ttname"><a href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html">shaka::media::BufferWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dd2/buffer__writer_8h_source.html#l00023">buffer_writer.h:23</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1TsWriter_html_ae9979f940d7a07127709576aa1f766a1"><div class="ttname"><a href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#ae9979f940d7a07127709576aa1f766a1">shaka::media::mp2t::TsWriter::FinalizeSegment</a></div><div class="ttdeci">virtual bool FinalizeSegment()</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00201">ts_writer.cc:201</a></div></div>
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<div class="ttc" id="classshaka_1_1File_html_a68a15f623c2a1601879f291f93a1f464"><div class="ttname"><a href="../../d3/d73/classshaka_1_1File.html#a68a15f623c2a1601879f291f93a1f464">shaka::File::Open</a></div><div class="ttdeci">virtual bool Open()=0</div><div class="ttdoc">Internal open. Should not be used directly. </div></div>
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<div class="ttc" id="classshaka_1_1media_1_1BufferWriter_html_a868dba843fcf923dd140fdda859a3a6d"><div class="ttname"><a href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#a868dba843fcf923dd140fdda859a3a6d">shaka::media::BufferWriter::WriteToFile</a></div><div class="ttdeci">Status WriteToFile(File *file)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dd3/buffer__writer_8cc_source.html#l00070">buffer_writer.cc:70</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1TsWriter_html_afc47f61bce7cd4f8f6a6ea0ec2c96d4c"><div class="ttname"><a href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html#afc47f61bce7cd4f8f6a6ea0ec2c96d4c">shaka::media::mp2t::TsWriter::SignalEncrypted</a></div><div class="ttdeci">virtual void SignalEncrypted()</div><div class="ttdoc">Signals the writer that the rest of the segments are encrypted. </div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00197">ts_writer.cc:197</a></div></div>
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