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<div class="title">ts_writer.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 2016 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/formats/mp2t/ts_writer.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/audio_stream_info.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/base/buffer_writer.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/base/stream_info.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/base/video_stream_info.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>edash_packager {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>mp2t {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">enum</span> Pid : uint8_t {</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="comment">// The pid can be 13 bits long but 8 bits is sufficient for this library.</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="comment">// This is the minimum PID that can be used for PMT.</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  kPmtPid = 0x20,</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="comment">// This is arbitrary number that is not reserved by the spec.</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  kElementaryPid = 0x50,</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</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> <span class="comment">// Program number is 16 bits but 8 bits is sufficient.</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">const</span> uint8_t kProgramNumber = 0x01;</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">const</span> uint8_t kStreamTypeH264 = 0x1B;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">const</span> uint8_t kStreamTypeAdtsAac = 0x0F;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// For all the pointer fields in the following PAT and PMTs, they are not really</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// part of PAT or PMT but it's there so that TsPacket can point to a memory</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// location that starts from pointer field.</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="keyword">const</span> uint8_t kProgramAssociationTableId = 0x00;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">const</span> uint8_t kProgramMapTableId = 0x02;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// TODO(rkuroiwa):</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// Once encryption is added, another PAT must be used for the encrypted portion</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// e.g. version number set to 1.</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// But this works for clear lead and for clear segments.</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// Write PSI generator.</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">const</span> uint8_t kPat[] = {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  0x00, <span class="comment">// pointer field</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  kProgramAssociationTableId,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  0xB0, <span class="comment">// The last 2 '00' assumes that this PAT is not very long.</span></div>
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||
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  0x0D, <span class="comment">// Length of the rest of this array.</span></div>
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||
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  0x00, 0x00, <span class="comment">// Transport stream ID is 0.</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  0xC1, <span class="comment">// version number 0, current next indicator 1.</span></div>
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||
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  0x00, <span class="comment">// section number</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  0x00, <span class="comment">// last section number</span></div>
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||
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// program number -> PMT PID mapping.</span></div>
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||
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  0x00, 0x01, <span class="comment">// program number is 1.</span></div>
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||
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  0xE0, <span class="comment">// first 3 bits is reserved.</span></div>
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||
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  kPmtPid,</div>
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||
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// CRC32.</span></div>
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||
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  0xAB, 0xB9, 0x9E, 0x9D,</div>
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||
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> };</div>
|
||
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
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||
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// Like PAT, with encryption different PMTs are required.</span></div>
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||
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// It might make sense to add a PmtGenerator class.</span></div>
|
||
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">const</span> uint8_t kPmtH264[] = {</div>
|
||
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  0x00, <span class="comment">// pointer field</span></div>
|
||
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  kProgramMapTableId,</div>
|
||
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  0xB0, <span class="comment">// assumes length is <= 256 bytes.</span></div>
|
||
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  0x12, <span class="comment">// length of the rest of this array.</span></div>
|
||
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  0x00, kProgramNumber,</div>
|
||
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  0xC1, <span class="comment">// version 0, current next indicator 1.</span></div>
|
||
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  0x00, <span class="comment">// section number</span></div>
|
||
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|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  0x00, <span class="comment">// last section number.</span></div>
|
||
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|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  0xE0, <span class="comment">// first 3 bits reserved.</span></div>
|
||
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  kElementaryPid, <span class="comment">// PCR PID is the elementary streams PID.</span></div>
|
||
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  0xF0, <span class="comment">// first 4 bits reserved.</span></div>
|
||
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  0x00, <span class="comment">// No descriptor at this level.</span></div>
|
||
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|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  kStreamTypeH264, 0xE0, kElementaryPid, <span class="comment">// stream_type -> PID.</span></div>
|
||
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|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  0xF0, 0x00, <span class="comment">// Es_info_length is 0.</span></div>
|
||
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|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// CRC32.</span></div>
|
||
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|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  0x56, 0x90, 0xF4, 0xEB,</div>
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||
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> };</div>
|
||
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
|
||
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|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="keyword">const</span> uint8_t kPmtAac[] = {</div>
|
||
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  0x00, <span class="comment">// pointer field</span></div>
|
||
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  0x02, <span class="comment">// table id must be 0x02.</span></div>
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||
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  0xB0, <span class="comment">// assumes length is <= 256 bytes.</span></div>
|
||
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  0x12, <span class="comment">// length of the rest of this array.</span></div>
|
||
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  0x00, kProgramNumber,</div>
|
||
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  0xC1, <span class="comment">// version 0, current next indicator 1.</span></div>
|
||
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  0x00, <span class="comment">// section number</span></div>
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||
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  0x00, <span class="comment">// last section number.</span></div>
|
||
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  0xE0, <span class="comment">// first 3 bits reserved.</span></div>
|
||
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  kElementaryPid, <span class="comment">// PCR PID is the elementary streams PID.</span></div>
|
||
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  0xF0, <span class="comment">// first 4 bits reserved.</span></div>
|
||
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  0x00, <span class="comment">// No descriptor at this level.</span></div>
|
||
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  kStreamTypeAdtsAac, 0xE0, kElementaryPid, <span class="comment">// stream_type -> PID.</span></div>
|
||
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  0xF0, 0x00, <span class="comment">// Es_info_length is 0.</span></div>
|
||
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// CRC32.</span></div>
|
||
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  0xC3, 0xF0, 0xC5, 0xA9,</div>
|
||
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> };</div>
|
||
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
|
||
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> kHasPcr = <span class="keyword">true</span>;</div>
|
||
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> kPayloadUnitStartIndicator = <span class="keyword">true</span>;</div>
|
||
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
|
||
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">const</span> uint8_t kSyncByte = 0x47;</div>
|
||
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kPcrFieldsSize = 6;</div>
|
||
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
|
||
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</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="l00113"></a><span class="lineno"> 113</span> <span class="comment">// without adaptation field or the payload.</span></div>
|
||
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kTsPacketHeaderSize = 4;</div>
|
||
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kTsPacketSize = 188;</div>
|
||
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kTsPacketMaximumPayloadSize =</div>
|
||
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  kTsPacketSize - kTsPacketHeaderSize;</div>
|
||
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
|
||
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kMaxPesPacketLengthValue = 0xFFFF;</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="comment">// Used for adaptation field padding bytes.</span></div>
|
||
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">const</span> uint8_t kPaddingBytes[] = {</div>
|
||
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div>
|
||
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> };</div>
|
||
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> static_assert(arraysize(kPaddingBytes) >= kTsPacketMaximumPayloadSize,</div>
|
||
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="stringliteral">"Padding array is not big enough."</span>);</div>
|
||
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
|
||
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">// |remaining_data_size| is the amount of data that has to be written. This may</span></div>
|
||
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// be bigger than a TS packet size.</span></div>
|
||
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment">// |remaining_data_size| matters if it is short and requires padding.</span></div>
|
||
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keywordtype">void</span> WriteAdaptationField(<span class="keywordtype">bool</span> has_pcr,</div>
|
||
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  uint64_t pcr_base,</div>
|
||
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">size_t</span> remaining_data_size,</div>
|
||
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  BufferWriter* writer) {</div>
|
||
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Special case where a TS packet requires 1 byte padding.</span></div>
|
||
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (!has_pcr && remaining_data_size == kTsPacketMaximumPayloadSize - 1) {</div>
|
||
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  writer->AppendInt(static_cast<uint8_t>(0));</div>
|
||
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span>;</div>
|
||
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</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>  <span class="comment">// The size of the field itself.</span></div>
|
||
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kAdaptationFieldLengthSize = 1;</div>
|
||
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
|
||
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// The size of all leading flags (not including the adaptation_field_length).</span></div>
|
||
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kAdaptationFieldHeaderSize = 1;</div>
|
||
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">int</span> adaptation_field_length =</div>
|
||
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  kAdaptationFieldHeaderSize + (has_pcr ? kPcrFieldsSize : 0);</div>
|
||
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (remaining_data_size < kTsPacketMaximumPayloadSize) {</div>
|
||
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> current_ts_size = kTsPacketHeaderSize + remaining_data_size +</div>
|
||
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  adaptation_field_length +</div>
|
||
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  kAdaptationFieldLengthSize;</div>
|
||
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (current_ts_size < kTsPacketSize) {</div>
|
||
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  adaptation_field_length += kTsPacketSize - current_ts_size;</div>
|
||
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
|
||
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
|
||
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
|
||
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  writer->AppendInt(static_cast<uint8_t>(adaptation_field_length));</div>
|
||
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">int</span> remaining_bytes = adaptation_field_length;</div>
|
||
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  writer->AppendInt(static_cast<uint8_t>(</div>
|
||
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// All flags except PCR_flag are 0.</span></div>
|
||
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  static_cast<uint8_t>(has_pcr) << 4));</div>
|
||
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  remaining_bytes -= 1;</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>  <span class="keywordflow">if</span> (has_pcr) {</div>
|
||
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">// program_clock_reference_extension = 0.</span></div>
|
||
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">const</span> uint32_t most_significant_32bits_pcr =</div>
|
||
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">static_cast<</span>uint32_t<span class="keyword">></span>(pcr_base >> 1);</div>
|
||
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">const</span> uint16_t pcr_last_bit_reserved_and_pcr_extension =</div>
|
||
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  ((pcr_base & 1) << 15);</div>
|
||
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  writer->AppendInt(most_significant_32bits_pcr);</div>
|
||
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  writer->AppendInt(pcr_last_bit_reserved_and_pcr_extension);</div>
|
||
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  remaining_bytes -= kPcrFieldsSize;</div>
|
||
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div>
|
||
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  DCHECK_GE(remaining_bytes, 0);</div>
|
||
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (remaining_bytes == 0)</div>
|
||
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</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"> 201</span>  DCHECK_GE(static_cast<int>(arraysize(kPaddingBytes)), remaining_bytes);</div>
|
||
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  writer->AppendArray(kPaddingBytes, remaining_bytes);</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"> 205</span> <span class="comment">// |payload| can be any payload. Most likely raw PSI tables or PES packet</span></div>
|
||
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment">// payload.</span></div>
|
||
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keywordtype">void</span> WritePayloadToBufferWriter(<span class="keyword">const</span> uint8_t* payload,</div>
|
||
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">size_t</span> payload_size,</div>
|
||
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">bool</span> payload_unit_start_indicator,</div>
|
||
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">int</span> pid,</div>
|
||
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordtype">bool</span> has_pcr,</div>
|
||
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  uint64_t pcr_base,</div>
|
||
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  ContinuityCounter* continuity_counter,</div>
|
||
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  BufferWriter* writer) {</div>
|
||
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">size_t</span> payload_bytes_written = 0;</div>
|
||
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
|
||
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">do</span> {</div>
|
||
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> must_write_adaptation_header = has_pcr;</div>
|
||
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> bytes_left = payload_size - payload_bytes_written;</div>
|
||
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_adaptation_field = must_write_adaptation_header ||</div>
|
||
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  bytes_left < kTsPacketMaximumPayloadSize;</div>
|
||
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
|
||
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  writer->AppendInt(kSyncByte);</div>
|
||
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  writer->AppendInt(static_cast<uint16_t>(</div>
|
||
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// transport_error_indicator and transport_priority are both '0'.</span></div>
|
||
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  static_cast<int>(payload_unit_start_indicator) << 14 | pid));</div>
|
||
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div>
|
||
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">const</span> uint8_t adaptation_field_control =</div>
|
||
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  ((has_adaptation_field ? 1 : 0) << 1) | ((bytes_left != 0) ? 1 : 0);</div>
|
||
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// transport_scrambling_control is '00'.</span></div>
|
||
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  writer->AppendInt(static_cast<uint8_t>(adaptation_field_control << 4 |</div>
|
||
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  continuity_counter->GetNext()));</div>
|
||
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div>
|
||
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (has_adaptation_field) {</div>
|
||
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> before = writer->Size();</div>
|
||
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  WriteAdaptationField(has_pcr, pcr_base, bytes_left, writer);</div>
|
||
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> bytes_for_adaptation_field = writer->Size() - before;</div>
|
||
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
|
||
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> write_bytes =</div>
|
||
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  kTsPacketMaximumPayloadSize - bytes_for_adaptation_field;</div>
|
||
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  writer->AppendArray(payload + payload_bytes_written, write_bytes);</div>
|
||
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  payload_bytes_written += write_bytes;</div>
|
||
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  } <span class="keywordflow">else</span> {</div>
|
||
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  writer->AppendArray(payload + payload_bytes_written,</div>
|
||
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  kTsPacketMaximumPayloadSize);</div>
|
||
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  payload_bytes_written += kTsPacketMaximumPayloadSize;</div>
|
||
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
|
||
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div>
|
||
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// Once written, not needed for this payload.</span></div>
|
||
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  has_pcr = <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  payload_unit_start_indicator = <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  } <span class="keywordflow">while</span> (payload_bytes_written < payload_size);</div>
|
||
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> }</div>
|
||
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div>
|
||
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="keywordtype">void</span> WritePatPmtToBuffer(<span class="keyword">const</span> uint8_t* data,</div>
|
||
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordtype">int</span> data_size,</div>
|
||
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordtype">int</span> pid,</div>
|
||
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  ContinuityCounter* continuity_counter,</div>
|
||
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  BufferWriter* writer) {</div>
|
||
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  WritePayloadToBufferWriter(data, data_size, kPayloadUnitStartIndicator, pid,</div>
|
||
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  !kHasPcr, 0, continuity_counter, writer);</div>
|
||
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> }</div>
|
||
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
|
||
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="keywordtype">void</span> WritePatToBuffer(<span class="keyword">const</span> uint8_t* pat,</div>
|
||
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordtype">int</span> pat_size,</div>
|
||
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  ContinuityCounter* continuity_counter,</div>
|
||
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  BufferWriter* writer) {</div>
|
||
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kPatPid = 0;</div>
|
||
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  WritePatPmtToBuffer(pat, pat_size, kPatPid, continuity_counter, writer);</div>
|
||
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> }</div>
|
||
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div>
|
||
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="keywordtype">void</span> WritePmtToBuffer(<span class="keyword">const</span> uint8_t* pmt,</div>
|
||
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordtype">int</span> pmt_size,</div>
|
||
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  ContinuityCounter* continuity_counter,</div>
|
||
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  BufferWriter* writer) {</div>
|
||
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  WritePatPmtToBuffer(pmt, pmt_size, kPmtPid, continuity_counter, writer);</div>
|
||
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> }</div>
|
||
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div>
|
||
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment">// The only difference between writing PTS or DTS is the leading bits.</span></div>
|
||
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="keywordtype">void</span> WritePtsOrDts(uint8_t leading_bits,</div>
|
||
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  uint64_t pts_or_dts,</div>
|
||
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  BufferWriter* writer) {</div>
|
||
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// First byte has 3 MSB of PTS.</span></div>
|
||
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  uint8_t first_byte =</div>
|
||
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  leading_bits << 4 | (((pts_or_dts >> 30) & 0x07) << 1) | 1;</div>
|
||
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// Second byte has the next 8 bits of pts.</span></div>
|
||
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  uint8_t second_byte = (pts_or_dts >> 22) & 0xFF;</div>
|
||
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</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="l00289"></a><span class="lineno"> 289</span>  uint8_t third_byte = (((pts_or_dts >> 15) & 0x7F) << 1) | 1;</div>
|
||
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// Fourth byte has the next 8 bits of pts.</span></div>
|
||
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  uint8_t fourth_byte = ((pts_or_dts >> 7) & 0xFF);</div>
|
||
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</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="l00293"></a><span class="lineno"> 293</span>  uint8_t fifth_byte = ((pts_or_dts & 0x7F) << 1) | 1;</div>
|
||
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  writer->AppendInt(first_byte);</div>
|
||
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  writer->AppendInt(second_byte);</div>
|
||
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  writer->AppendInt(third_byte);</div>
|
||
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  writer->AppendInt(fourth_byte);</div>
|
||
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  writer->AppendInt(fifth_byte);</div>
|
||
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> }</div>
|
||
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div>
|
||
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="keywordtype">bool</span> WritePesToFile(<span class="keyword">const</span> PesPacket& pes,</div>
|
||
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  ContinuityCounter* continuity_counter,</div>
|
||
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  File* file) {</div>
|
||
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">// The size of the length field.</span></div>
|
||
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kAdaptationFieldLengthSize = 1;</div>
|
||
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// The size of the flags field.</span></div>
|
||
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kAdaptationFieldHeaderSize = 1;</div>
|
||
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kPcrFieldSize = 6;</div>
|
||
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kTsPacketMaxPayloadWithPcr =</div>
|
||
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  kTsPacketMaximumPayloadSize - kAdaptationFieldLengthSize -</div>
|
||
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  kAdaptationFieldHeaderSize - kPcrFieldSize;</div>
|
||
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keyword">const</span> uint64_t pcr_base = pes.has_dts() ? pes.dts() : pes.pts();</div>
|
||
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> pid = kElementaryPid;</div>
|
||
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> </div>
|
||
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// This writer will hold part of PES packet after PES_packet_length field.</span></div>
|
||
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  BufferWriter pes_header_writer;</div>
|
||
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</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="l00318"></a><span class="lineno"> 318</span>  <span class="comment">// flags (bits) don't matter so they are 0.</span></div>
|
||
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  pes_header_writer.AppendInt(static_cast<uint8_t>(0x80));</div>
|
||
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  pes_header_writer.AppendInt(</div>
|
||
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  static_cast<uint8_t>(static_cast<int>(pes.has_pts()) << 7 |</div>
|
||
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  static_cast<int>(pes.has_dts()) << 6</div>
|
||
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="comment">// Other fields are all 0.</span></div>
|
||
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  ));</div>
|
||
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  uint8_t pes_header_data_length = 0;</div>
|
||
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> (pes.has_pts())</div>
|
||
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  pes_header_data_length += 5;</div>
|
||
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">if</span> (pes.has_dts())</div>
|
||
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  pes_header_data_length += 5;</div>
|
||
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  pes_header_writer.AppendInt(pes_header_data_length);</div>
|
||
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div>
|
||
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">if</span> (pes.has_pts() && pes.has_dts()) {</div>
|
||
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  WritePtsOrDts(0x03, pes.pts(), &pes_header_writer);</div>
|
||
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  WritePtsOrDts(0x01, pes.dts(), &pes_header_writer);</div>
|
||
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pes.has_pts()) {</div>
|
||
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  WritePtsOrDts(0x02, pes.pts(), &pes_header_writer);</div>
|
||
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
|
||
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div>
|
||
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</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="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// packet's header.</span></div>
|
||
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  BufferWriter first_ts_packet_buffer(kTsPacketSize);</div>
|
||
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  first_ts_packet_buffer.AppendNBytes(static_cast<uint64_t>(0x000001), 3);</div>
|
||
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  first_ts_packet_buffer.AppendInt(pes.stream_id());</div>
|
||
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</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="l00345"></a><span class="lineno"> 345</span>  first_ts_packet_buffer.AppendInt(static_cast<uint16_t>(</div>
|
||
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  pes_packet_length > kMaxPesPacketLengthValue ? 0 : pes_packet_length));</div>
|
||
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  first_ts_packet_buffer.AppendBuffer(pes_header_writer);</div>
|
||
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div>
|
||
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> available_payload =</div>
|
||
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  kTsPacketMaxPayloadWithPcr - first_ts_packet_buffer.Size();</div>
|
||
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> bytes_consumed =</div>
|
||
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  std::min(static_cast<int>(pes.data().size()), available_payload);</div>
|
||
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  first_ts_packet_buffer.AppendArray(pes.data().data(), bytes_consumed);</div>
|
||
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div>
|
||
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  BufferWriter output_writer;</div>
|
||
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  WritePayloadToBufferWriter(first_ts_packet_buffer.Buffer(),</div>
|
||
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  first_ts_packet_buffer.Size(),</div>
|
||
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  kPayloadUnitStartIndicator, pid, kHasPcr, pcr_base,</div>
|
||
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  continuity_counter, &output_writer);</div>
|
||
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div>
|
||
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</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="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">if</span> (remaining_pes_data_size > 0) {</div>
|
||
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  WritePayloadToBufferWriter(pes.data().data() + bytes_consumed,</div>
|
||
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  remaining_pes_data_size,</div>
|
||
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  !kPayloadUnitStartIndicator, pid, !kHasPcr, 0,</div>
|
||
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  continuity_counter, &output_writer);</div>
|
||
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div>
|
||
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">return</span> output_writer.WriteToFile(file).ok();</div>
|
||
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> }</div>
|
||
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div>
|
||
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> } <span class="comment">// namespace</span></div>
|
||
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div>
|
||
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> ContinuityCounter::ContinuityCounter() {}</div>
|
||
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> ContinuityCounter::~ContinuityCounter() {}</div>
|
||
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> </div>
|
||
|
|
<div class="line"><a name="l00376"></a><span class="lineno"><a class="line" href="../../d8/d37/classedash__packager_1_1media_1_1mp2t_1_1ContinuityCounter.html#af5d5fdfbb974a4709d727304204380d6"> 376</a></span> <span class="keywordtype">int</span> <a class="code" href="../../d8/d37/classedash__packager_1_1media_1_1mp2t_1_1ContinuityCounter.html#af5d5fdfbb974a4709d727304204380d6">ContinuityCounter::GetNext</a>() {</div>
|
||
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordtype">int</span> ret = counter_;</div>
|
||
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  ++counter_;</div>
|
||
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  counter_ %= 16;</div>
|
||
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">return</span> ret;</div>
|
||
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> }</div>
|
||
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div>
|
||
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> TsWriter::TsWriter() {}</div>
|
||
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> TsWriter::~TsWriter() {}</div>
|
||
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div>
|
||
|
|
<div class="line"><a name="l00386"></a><span class="lineno"><a class="line" href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#a17147205cdc4f959c67cc2e803e59e27"> 386</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#a17147205cdc4f959c67cc2e803e59e27">TsWriter::Initialize</a>(<span class="keyword">const</span> <a class="code" href="../../d6/d06/classedash__packager_1_1media_1_1StreamInfo.html">StreamInfo</a>& stream_info) {</div>
|
||
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// This buffer will hold PMT data after section_length field so that this</span></div>
|
||
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// can be used to get the section_length.</span></div>
|
||
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  time_scale_ = stream_info.time_scale();</div>
|
||
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (time_scale_ == 0) {</div>
|
||
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  LOG(ERROR) << <span class="stringliteral">"Timescale is 0."</span>;</div>
|
||
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  }</div>
|
||
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keyword">const</span> StreamType stream_type = stream_info.stream_type();</div>
|
||
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (stream_type != StreamType::kStreamVideo &&</div>
|
||
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  stream_type != StreamType::kStreamAudio) {</div>
|
||
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  LOG(ERROR) << <span class="stringliteral">"TsWriter cannot handle stream type "</span> << stream_type</div>
|
||
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  << <span class="stringliteral">" yet."</span>;</div>
|
||
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  }</div>
|
||
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> </div>
|
||
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keyword">const</span> uint8_t* pmt = <span class="keyword">nullptr</span>;</div>
|
||
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordtype">size_t</span> pmt_size = 0u;</div>
|
||
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">if</span> (stream_info.stream_type() == StreamType::kStreamVideo) {</div>
|
||
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keyword">const</span> <a class="code" href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html">VideoStreamInfo</a>& video_stream_info =</div>
|
||
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html">VideoStreamInfo</a>&<span class="keyword">></span>(stream_info);</div>
|
||
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">if</span> (video_stream_info.codec() != VideoCodec::kCodecH264) {</div>
|
||
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  LOG(ERROR) << <span class="stringliteral">"TsWriter cannot handle video codec "</span></div>
|
||
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  << video_stream_info.codec() << <span class="stringliteral">" yet."</span>;</div>
|
||
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div>
|
||
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  pmt = kPmtH264;</div>
|
||
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  pmt_size = arraysize(kPmtH264);</div>
|
||
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  } <span class="keywordflow">else</span> {</div>
|
||
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  DCHECK_EQ(stream_type, StreamType::kStreamAudio);</div>
|
||
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keyword">const</span> <a class="code" href="../../da/d27/classedash__packager_1_1media_1_1AudioStreamInfo.html">AudioStreamInfo</a>& audio_stream_info =</div>
|
||
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="../../da/d27/classedash__packager_1_1media_1_1AudioStreamInfo.html">AudioStreamInfo</a>&<span class="keyword">></span>(stream_info);</div>
|
||
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">if</span> (audio_stream_info.codec() != AudioCodec::kCodecAAC) {</div>
|
||
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  LOG(ERROR) << <span class="stringliteral">"TsWriter cannot handle audio codec "</span></div>
|
||
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  << audio_stream_info.codec() << <span class="stringliteral">" yet."</span>;</div>
|
||
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  }</div>
|
||
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  pmt = kPmtAac;</div>
|
||
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  pmt_size = arraysize(kPmtAac);</div>
|
||
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  }</div>
|
||
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  DCHECK(pmt);</div>
|
||
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  DCHECK_GT(pmt_size, 0u);</div>
|
||
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> </div>
|
||
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="comment">// Most likely going to fit in 2 TS packets.</span></div>
|
||
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <a class="code" href="../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html">BufferWriter</a> psi_writer(kTsPacketSize * 2);</div>
|
||
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  WritePatToBuffer(kPat, arraysize(kPat), &pat_continuity_counter_,</div>
|
||
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  &psi_writer);</div>
|
||
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  WritePmtToBuffer(pmt, pmt_size, &pmt_continuity_counter_, &psi_writer);</div>
|
||
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> </div>
|
||
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  psi_writer.SwapBuffer(&psi_ts_packets_);</div>
|
||
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> }</div>
|
||
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div>
|
||
|
|
<div class="line"><a name="l00439"></a><span class="lineno"><a class="line" href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#ac4695ef9da2fa8006102d8adb61598a3"> 439</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#ac4695ef9da2fa8006102d8adb61598a3">TsWriter::NewSegment</a>(<span class="keyword">const</span> std::string& file_name) {</div>
|
||
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  DCHECK(!psi_ts_packets_.empty());</div>
|
||
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">if</span> (current_file_) {</div>
|
||
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  LOG(ERROR) << <span class="stringliteral">"File "</span> << current_file_->file_name() << <span class="stringliteral">" still open."</span>;</div>
|
||
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  }</div>
|
||
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  current_file_.reset(<a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a0933ccd7df76fcf8fbcfe12c15dbf6c5">File::Open</a>(file_name.c_str(), <span class="stringliteral">"w"</span>));</div>
|
||
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">if</span> (!current_file_) {</div>
|
||
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  LOG(ERROR) << <span class="stringliteral">"Failed to open file "</span> << file_name;</div>
|
||
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  }</div>
|
||
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> </div>
|
||
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="comment">// TODO(kqyang): Add WriteArrayToFile().</span></div>
|
||
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <a class="code" href="../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html">BufferWriter</a> psi_writer(psi_ts_packets_.size());</div>
|
||
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  psi_writer.AppendVector(psi_ts_packets_);</div>
|
||
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">if</span> (!psi_writer.WriteToFile(current_file_.get()).ok()) {</div>
|
||
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  LOG(ERROR) << <span class="stringliteral">"Failed to write PSI to file."</span>;</div>
|
||
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  }</div>
|
||
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div>
|
||
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> }</div>
|
||
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> </div>
|
||
|
|
<div class="line"><a name="l00462"></a><span class="lineno"><a class="line" href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#a34adca8447b1692556343774f3ef2777"> 462</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#a34adca8447b1692556343774f3ef2777">TsWriter::FinalizeSegment</a>() {</div>
|
||
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">return</span> current_file_.release()->Close();</div>
|
||
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> }</div>
|
||
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div>
|
||
|
|
<div class="line"><a name="l00466"></a><span class="lineno"><a class="line" href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#a33a3c6b81d629fac0087139241bdcb69"> 466</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#a33a3c6b81d629fac0087139241bdcb69">TsWriter::AddPesPacket</a>(scoped_ptr<PesPacket> pes_packet) {</div>
|
||
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> (time_scale_ == 0) {</div>
|
||
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  LOG(ERROR) << <span class="stringliteral">"Timescale is 0."</span>;</div>
|
||
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  }</div>
|
||
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  DCHECK(current_file_);</div>
|
||
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> (!WritePesToFile(*pes_packet, &elementary_stream_continuity_counter_,</div>
|
||
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  current_file_.get())) {</div>
|
||
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  LOG(ERROR) << <span class="stringliteral">"Failed to write pes to file."</span>;</div>
|
||
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  }</div>
|
||
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> </div>
|
||
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="comment">// No need to keep pes_packet around so not passing it anywhere.</span></div>
|
||
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> }</div>
|
||
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> </div>
|
||
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> } <span class="comment">// namespace mp2t</span></div>
|
||
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> } <span class="comment">// namespace media</span></div>
|
||
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> } <span class="comment">// namespace edash_packager</span></div>
|
||
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1AudioStreamInfo_html"><div class="ttname"><a href="../../da/d27/classedash__packager_1_1media_1_1AudioStreamInfo.html">edash_packager::media::AudioStreamInfo</a></div><div class="ttdoc">Holds audio stream information. </div><div class="ttdef"><b>Definition:</b> <a href="../../df/d32/audio__stream__info_8h_source.html#l00035">audio_stream_info.h:35</a></div></div>
|
||
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1StreamInfo_html"><div class="ttname"><a href="../../d6/d06/classedash__packager_1_1media_1_1StreamInfo.html">edash_packager::media::StreamInfo</a></div><div class="ttdoc">Abstract class holds stream information. </div><div class="ttdef"><b>Definition:</b> <a href="../../d8/daa/stream__info_8h_source.html#l00026">stream_info.h:26</a></div></div>
|
||
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1mp2t_1_1TsWriter_html_a17147205cdc4f959c67cc2e803e59e27"><div class="ttname"><a href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#a17147205cdc4f959c67cc2e803e59e27">edash_packager::media::mp2t::TsWriter::Initialize</a></div><div class="ttdeci">bool Initialize(const StreamInfo &stream_info)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00386">ts_writer.cc:386</a></div></div>
|
||
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a0933ccd7df76fcf8fbcfe12c15dbf6c5"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a0933ccd7df76fcf8fbcfe12c15dbf6c5">edash_packager::media::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="classedash__packager_1_1media_1_1mp2t_1_1ContinuityCounter_html_af5d5fdfbb974a4709d727304204380d6"><div class="ttname"><a href="../../d8/d37/classedash__packager_1_1media_1_1mp2t_1_1ContinuityCounter.html#af5d5fdfbb974a4709d727304204380d6">edash_packager::media::mp2t::ContinuityCounter::GetNext</a></div><div class="ttdeci">int GetNext()</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00376">ts_writer.cc:376</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp2t_1_1TsWriter_html_ac4695ef9da2fa8006102d8adb61598a3"><div class="ttname"><a href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#ac4695ef9da2fa8006102d8adb61598a3">edash_packager::media::mp2t::TsWriter::NewSegment</a></div><div class="ttdeci">bool NewSegment(const std::string &file_name)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00439">ts_writer.cc:439</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp2t_1_1TsWriter_html_a34adca8447b1692556343774f3ef2777"><div class="ttname"><a href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#a34adca8447b1692556343774f3ef2777">edash_packager::media::mp2t::TsWriter::FinalizeSegment</a></div><div class="ttdeci">bool FinalizeSegment()</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00462">ts_writer.cc:462</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp2t_1_1TsWriter_html_a33a3c6b81d629fac0087139241bdcb69"><div class="ttname"><a href="../../d4/d26/classedash__packager_1_1media_1_1mp2t_1_1TsWriter.html#a33a3c6b81d629fac0087139241bdcb69">edash_packager::media::mp2t::TsWriter::AddPesPacket</a></div><div class="ttdeci">bool AddPesPacket(scoped_ptr< PesPacket > pes_packet)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d13/ts__writer_8cc_source.html#l00466">ts_writer.cc:466</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1VideoStreamInfo_html"><div class="ttname"><a href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html">edash_packager::media::VideoStreamInfo</a></div><div class="ttdoc">Holds video stream information. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d87/video__stream__info_8h_source.html#l00031">video_stream_info.h:31</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1BufferWriter_html"><div class="ttname"><a href="../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html">edash_packager::media::BufferWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dd2/buffer__writer_8h_source.html#l00022">buffer_writer.h:22</a></div></div>
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