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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 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 <gflags/gflags.h></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <iostream></span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/app/fixed_key_encryption_flags.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/app/libcrypto_threading.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/app/mpd_flags.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/app/muxer_flags.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/app/packager_util.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/app/stream_descriptor.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "packager/app/widevine_encryption_flags.h"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "packager/base/stl_util.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "packager/base/strings/string_split.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "packager/base/strings/stringprintf.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "packager/base/threading/simple_thread.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "packager/base/time/clock.h"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "packager/media/base/demuxer.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "packager/media/base/key_source.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "packager/media/base/muxer_options.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "packager/media/base/muxer_util.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "packager/media/event/mpd_notify_muxer_listener.h"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "packager/media/event/vod_media_info_dump_muxer_listener.h"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "packager/media/formats/mp4/mp4_muxer.h"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "packager/mpd/base/dash_iop_mpd_notifier.h"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "packager/mpd/base/mpd_builder.h"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "packager/mpd/base/simple_mpd_notifier.h"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> DEFINE_bool(use_fake_clock_for_muxer,</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">false</span>,</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="stringliteral">"Set to true to use a fake clock for muxer. With this flag set, "</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="stringliteral">"creation time and modification time in outputs are set to 0. "</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="stringliteral">"Should only be used for testing."</span>);</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kUsage[] =</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="stringliteral">"Packager driver program. Sample Usage:\n"</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="stringliteral">"%s [flags] <stream_descriptor> ...\n"</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="stringliteral">"stream_descriptor consists of comma separated field_name/value pairs:\n"</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="stringliteral">"field_name=value,[field_name=value,]...\n"</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="stringliteral">"Supported field names are as follows:\n"</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="stringliteral">" - input (in): Required input/source media file path or network stream "</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="stringliteral">"URL.\n"</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="stringliteral">" - stream_selector (stream): Required field with value 'audio', 'video', "</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="stringliteral">"or stream number (zero based).\n"</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="stringliteral">" - output (out): Required output file (single file) or initialization "</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="stringliteral">"file path (multiple file).\n"</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="stringliteral">" - segment_template (segment): Optional value which specifies the "</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="stringliteral">"naming pattern for the segment files, and that the stream should be "</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="stringliteral">"split into multiple files. Its presence should be consistent across "</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="stringliteral">"streams.\n"</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="stringliteral">" - bandwidth (bw): Optional value which contains a user-specified "</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="stringliteral">"content bit rate for the stream, in bits/sec. If specified, this value is "</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="stringliteral">"propagated to the $Bandwidth$ template parameter for segment names. "</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="stringliteral">"If not specified, its value may be estimated.\n"</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="stringliteral">" - language (lang): Optional value which contains a user-specified "</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="stringliteral">"language tag. If specified, this value overrides any language metadata "</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="stringliteral">"in the input track.\n"</span>;</div>
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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> <span class="keyword">enum</span> ExitStatus {</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  kSuccess = 0,</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  kNoArgument,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  kArgumentValidationFailed,</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  kPackagingFailed,</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  kInternalError,</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> };</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">namespace </span>edash_packager {</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// A fake clock that always return time 0 (epoch). Should only be used for</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// testing.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">class </span>FakeClock : <span class="keyword">public</span> base::Clock {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  base::Time Now()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> base::Time(); }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> };</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment">// Demux, Mux(es) and worker thread used to remux a source file/stream.</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">class </span>RemuxJob : <span class="keyword">public</span> base::SimpleThread {</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  RemuxJob(scoped_ptr<Demuxer> demuxer)</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  : SimpleThread(<span class="stringliteral">"RemuxJob"</span>),</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  demuxer_(demuxer.Pass()) {}</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  ~RemuxJob()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  STLDeleteElements(&muxers_);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">void</span> AddMuxer(scoped_ptr<Muxer> mux) {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  muxers_.push_back(mux.release());</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  Demuxer* demuxer() { <span class="keywordflow">return</span> demuxer_.get(); }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  Status status() { <span class="keywordflow">return</span> status_; }</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">void</span> Run()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  DCHECK(demuxer_);</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  status_ = demuxer_->Run();</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  scoped_ptr<Demuxer> demuxer_;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::vector<Muxer*> muxers_;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  Status status_;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  DISALLOW_COPY_AND_ASSIGN(RemuxJob);</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> };</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keywordtype">bool</span> CreateRemuxJobs(<span class="keyword">const</span> StreamDescriptorList& stream_descriptors,</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> MuxerOptions& muxer_options,</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  FakeClock* fake_clock,</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  KeySource* key_source,</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  MpdNotifier* mpd_notifier,</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  std::vector<RemuxJob*>* remux_jobs) {</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  DCHECK(remux_jobs);</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  std::string previous_input;</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">for</span> (StreamDescriptorList::const_iterator stream_iter =</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  stream_descriptors.begin();</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  stream_iter != stream_descriptors.end();</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  ++stream_iter) {</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Process stream descriptor.</span></div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  MuxerOptions stream_muxer_options(muxer_options);</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  stream_muxer_options.output_file_name = stream_iter->output;</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (!stream_iter->segment_template.empty()) {</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (!ValidateSegmentTemplate(stream_iter->segment_template)) {</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  LOG(ERROR) << <span class="stringliteral">"ERROR: segment template with '"</span></div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  << stream_iter->segment_template << <span class="stringliteral">"' is invalid."</span>;</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  stream_muxer_options.segment_template = stream_iter->segment_template;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  stream_muxer_options.bandwidth = stream_iter->bandwidth;</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (stream_iter->input != previous_input) {</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// New remux job needed. Create demux and job thread.</span></div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  scoped_ptr<Demuxer> demuxer(<span class="keyword">new</span> Demuxer(stream_iter->input));</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (FLAGS_enable_widevine_decryption ||</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  FLAGS_enable_fixed_key_decryption) {</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  scoped_ptr<KeySource> key_source(CreateDecryptionKeySource());</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (!key_source)</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  demuxer->SetKeySource(key_source.Pass());</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>  Status status = demuxer->Initialize();</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  LOG(ERROR) << <span class="stringliteral">"Demuxer failed to initialize: "</span> << status.ToString();</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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">if</span> (FLAGS_dump_stream_info) {</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  printf(<span class="stringliteral">"\nFile \"%s\":\n"</span>, stream_iter->input.c_str());</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  DumpStreamInfo(demuxer->streams());</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (stream_iter->output.empty())</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">continue</span>; <span class="comment">// just need stream info.</span></div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  remux_jobs->push_back(<span class="keyword">new</span> RemuxJob(demuxer.Pass()));</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  previous_input = stream_iter->input;</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  DCHECK(!remux_jobs->empty());</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>  scoped_ptr<Muxer> muxer(<span class="keyword">new</span> mp4::MP4Muxer(stream_muxer_options));</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (FLAGS_use_fake_clock_for_muxer) muxer->set_clock(fake_clock);</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (key_source) {</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  muxer->SetKeySource(key_source,</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  FLAGS_max_sd_pixels,</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  FLAGS_clear_lead,</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  FLAGS_crypto_period_duration);</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>  scoped_ptr<MuxerListener> muxer_listener;</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  DCHECK(!(FLAGS_output_media_info && mpd_notifier));</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (FLAGS_output_media_info) {</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">const</span> std::string output_media_info_file_name =</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  stream_muxer_options.output_file_name + <span class="stringliteral">".media_info"</span>;</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  scoped_ptr<VodMediaInfoDumpMuxerListener></div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  vod_media_info_dump_muxer_listener(</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">new</span> VodMediaInfoDumpMuxerListener(output_media_info_file_name));</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  vod_media_info_dump_muxer_listener->SetContentProtectionSchemeIdUri(</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  FLAGS_scheme_id_uri);</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  muxer_listener = vod_media_info_dump_muxer_listener.Pass();</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> (mpd_notifier) {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  scoped_ptr<MpdNotifyMuxerListener> mpd_notify_muxer_listener(</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">new</span> MpdNotifyMuxerListener(mpd_notifier));</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  mpd_notify_muxer_listener->SetContentProtectionSchemeIdUri(</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  FLAGS_scheme_id_uri);</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  muxer_listener = mpd_notify_muxer_listener.Pass();</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"> 197</span>  <span class="keywordflow">if</span> (muxer_listener)</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  muxer->SetMuxerListener(muxer_listener.Pass());</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>  <span class="keywordflow">if</span> (!AddStreamToMuxer(remux_jobs->back()->demuxer()->streams(),</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  stream_iter->stream_selector,</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  stream_iter->language,</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  muxer.get()))</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  remux_jobs->back()->AddMuxer(muxer.Pass());</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> }</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> Status RunRemuxJobs(<span class="keyword">const</span> std::vector<RemuxJob*>& remux_jobs) {</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// Start the job threads.</span></div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">for</span> (std::vector<RemuxJob*>::const_iterator job_iter = remux_jobs.begin();</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  job_iter != remux_jobs.end();</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  ++job_iter) {</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  (*job_iter)->Start();</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// Wait for all jobs to complete or an error occurs.</span></div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  Status status;</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordtype">bool</span> all_joined;</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">do</span> {</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  all_joined = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">for</span> (std::vector<RemuxJob*>::const_iterator job_iter = remux_jobs.begin();</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  job_iter != remux_jobs.end();</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  ++job_iter) {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">if</span> ((*job_iter)->HasBeenJoined()) {</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  status = (*job_iter)->status();</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (!status.ok())</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  all_joined = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  (*job_iter)->Join();</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  } <span class="keywordflow">while</span> (!all_joined && status.ok());</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span> status;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keywordtype">bool</span> RunPackager(<span class="keyword">const</span> StreamDescriptorList& stream_descriptors) {</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (!AssignFlagsFromProfile())</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">if</span> (FLAGS_output_media_info && !FLAGS_mpd_output.empty()) {</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  NOTIMPLEMENTED() << <span class="stringliteral">"ERROR: --output_media_info and --mpd_output do not "</span></div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="stringliteral">"work together."</span>;</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">if</span> (FLAGS_output_media_info && !FLAGS_single_segment) {</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="comment">// TODO(rkuroiwa, kqyang): Support partial media info dump for live.</span></div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  NOTIMPLEMENTED() << <span class="stringliteral">"ERROR: --output_media_info is only supported if "</span></div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="stringliteral">"--single_segment is true."</span>;</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">// Get basic muxer options.</span></div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  MuxerOptions muxer_options;</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (!GetMuxerOptions(&muxer_options))</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  MpdOptions mpd_options;</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> (!GetMpdOptions(&mpd_options))</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">// Create encryption key source if needed.</span></div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  scoped_ptr<KeySource> encryption_key_source;</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> (FLAGS_enable_widevine_encryption || FLAGS_enable_fixed_key_encryption) {</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  encryption_key_source = CreateEncryptionKeySource();</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">if</span> (!encryption_key_source)</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  scoped_ptr<MpdNotifier> mpd_notifier;</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> (!FLAGS_mpd_output.empty()) {</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  DashProfile profile =</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  FLAGS_single_segment ? kOnDemandProfile : kLiveProfile;</div>
|
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  std::vector<std::string> base_urls;</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  base::SplitString(FLAGS_base_urls, <span class="charliteral">','</span>, &base_urls);</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> (FLAGS_generate_dash_if_iop_compliant_mpd) {</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  mpd_notifier.reset(<span class="keyword">new</span> DashIopMpdNotifier(profile, mpd_options, base_urls,</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  FLAGS_mpd_output));</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  mpd_notifier.reset(<span class="keyword">new</span> SimpleMpdNotifier(profile, mpd_options, base_urls,</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  FLAGS_mpd_output));</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> (!mpd_notifier->Init()) {</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  LOG(ERROR) << <span class="stringliteral">"MpdNotifier failed to initialize."</span>;</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  std::vector<RemuxJob*> remux_jobs;</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  STLElementDeleter<std::vector<RemuxJob*> > scoped_jobs_deleter(&remux_jobs);</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  FakeClock fake_clock;</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span> (!CreateRemuxJobs(stream_descriptors, muxer_options, &fake_clock,</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  encryption_key_source.get(), mpd_notifier.get(),</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  &remux_jobs)) {</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  Status status = RunRemuxJobs(remux_jobs);</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  LOG(ERROR) << <span class="stringliteral">"Packaging Error: "</span> << status.ToString();</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  printf(<span class="stringliteral">"Packaging completed successfully.\n"</span>);</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> }</div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="keywordtype">int</span> PackagerMain(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv) {</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  google::SetUsageMessage(base::StringPrintf(kUsage, argv[0]));</div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  google::ParseCommandLineFlags(&argc, &argv, <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (argc < 2) {</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  google::ShowUsageWithFlags(argv[0]);</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">return</span> kNoArgument;</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../db/d09/namespaceedash__packager.html#a95bb52262b99e97fd7f8f9f0075fe1e6">ValidateWidevineCryptoFlags</a>() || !<a class="code" href="../../db/d09/namespaceedash__packager.html#a87cbb414bc89b31dc8ba8de91ac9c438">ValidateFixedCryptoFlags</a>())</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> kArgumentValidationFailed;</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="code" href="../../de/de9/classedash__packager_1_1media_1_1LibcryptoThreading.html">edash_packager::media::LibcryptoThreading</a> libcrypto_threading;</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// TODO(tinskip): Make InsertStreamDescriptor a member of</span></div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// StreamDescriptorList.</span></div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  StreamDescriptorList stream_descriptors;</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < argc; ++i) {</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">if</span> (!InsertStreamDescriptor(argv[i], &stream_descriptors))</div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">return</span> kArgumentValidationFailed;</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">return</span> RunPackager(stream_descriptors) ? kSuccess : kPackagingFailed;</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> }</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div>
|
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> } <span class="comment">// namespace edash_packager</span></div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv) {</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">return</span> edash_packager::media::PackagerMain(argc, argv);</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> }</div>
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<div class="ttc" id="namespaceedash__packager_html_a87cbb414bc89b31dc8ba8de91ac9c438"><div class="ttname"><a href="../../db/d09/namespaceedash__packager.html#a87cbb414bc89b31dc8ba8de91ac9c438">edash_packager::ValidateFixedCryptoFlags</a></div><div class="ttdeci">bool ValidateFixedCryptoFlags()</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3b/fixed__key__encryption__flags_8cc_source.html#l00029">fixed_key_encryption_flags.cc:29</a></div></div>
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<div class="ttc" id="namespaceedash__packager_html_a95bb52262b99e97fd7f8f9f0075fe1e6"><div class="ttname"><a href="../../db/d09/namespaceedash__packager.html#a95bb52262b99e97fd7f8f9f0075fe1e6">edash_packager::ValidateWidevineCryptoFlags</a></div><div class="ttdeci">bool ValidateWidevineCryptoFlags()</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d42/widevine__encryption__flags_8cc_source.html#l00055">widevine_encryption_flags.cc:55</a></div></div>
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1LibcryptoThreading_html"><div class="ttname"><a href="../../de/de9/classedash__packager_1_1media_1_1LibcryptoThreading.html">edash_packager::media::LibcryptoThreading</a></div><div class="ttdoc">Convenience class which initializes and terminates libcrypto threading. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d22/libcrypto__threading_8h_source.html#l00016">libcrypto_threading.h:16</a></div></div>
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<!-- start footer part -->
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</a> 1.8.6
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