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<div class="title">packager_util.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 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 "packager/app/packager_util.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 <gflags/gflags.h></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <iostream></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/app/fixed_key_encryption_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/playready_key_encryption_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/mpd_flags.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/muxer_flags.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/strings/string_number_conversions.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "packager/media/base/fixed_key_source.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "packager/media/base/muxer_options.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "packager/media/base/playready_key_source.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "packager/media/base/request_signer.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/widevine_key_source.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/chunking/chunking_handler.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/crypto/encryption_handler.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/file/file.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "packager/mpd/base/mpd_options.h"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> DEFINE_bool(mp4_use_decoding_timestamp_in_timeline,</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">false</span>,</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="stringliteral">"If set, decoding timestamp instead of presentation timestamp will "</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="stringliteral">"be used when generating media timeline, e.g. timestamps in sidx "</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="stringliteral">"and mpd. This is to workaround a Chromium bug that decoding "</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="stringliteral">"timestamp is used in buffered range, https://crbug.com/398130."</span>);</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> DEFINE_bool(dump_stream_info, <span class="keyword">false</span>, <span class="stringliteral">"Dump demuxed stream info."</span>);</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="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </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> FourCC GetProtectionScheme(<span class="keyword">const</span> std::string& protection_scheme) {</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (protection_scheme == <span class="stringliteral">"cenc"</span>) {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> FOURCC_cenc;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (protection_scheme == <span class="stringliteral">"cens"</span>) {</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> FOURCC_cens;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (protection_scheme == <span class="stringliteral">"cbc1"</span>) {</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> FOURCC_cbc1;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (protection_scheme == <span class="stringliteral">"cbcs"</span>) {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> FOURCC_cbcs;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  LOG(ERROR) << <span class="stringliteral">"Unknown protection scheme: "</span> << protection_scheme;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> FOURCC_NULL;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> }</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> std::unique_ptr<RequestSigner> CreateSigner() {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  std::unique_ptr<RequestSigner> signer;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (!FLAGS_aes_signing_key.empty()) {</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  signer.reset(<a class="code" href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a43f4cc9fad9901fa905805be81f7d58c">AesRequestSigner::CreateSigner</a>(</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  FLAGS_signer, FLAGS_aes_signing_key, FLAGS_aes_signing_iv));</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (!signer) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  LOG(ERROR) << <span class="stringliteral">"Cannot create an AES signer object from '"</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  << FLAGS_aes_signing_key << <span class="stringliteral">"':'"</span> << FLAGS_aes_signing_iv</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  << <span class="stringliteral">"'."</span>;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> std::unique_ptr<RequestSigner>();</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!FLAGS_rsa_signing_key_path.empty()) {</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  std::string rsa_private_key;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../d3/d61/classshaka_1_1media_1_1File.html#a622dbc8abacebb40b816aa0174ba7c60">File::ReadFileToString</a>(FLAGS_rsa_signing_key_path.c_str(),</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  &rsa_private_key)) {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  LOG(ERROR) << <span class="stringliteral">"Failed to read from '"</span> << FLAGS_rsa_signing_key_path</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  << <span class="stringliteral">"'."</span>;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> std::unique_ptr<RequestSigner>();</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  signer.reset(<a class="code" href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html#af6af635a7c0a01bb638befb71b88386c">RsaRequestSigner::CreateSigner</a>(FLAGS_signer, rsa_private_key));</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (!signer) {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  LOG(ERROR) << <span class="stringliteral">"Cannot create a RSA signer object from '"</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  << FLAGS_rsa_signing_key_path << <span class="stringliteral">"'."</span>;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> std::unique_ptr<RequestSigner>();</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>  }</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> signer;</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> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> std::unique_ptr<KeySource> CreateEncryptionKeySource() {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  std::unique_ptr<KeySource> encryption_key_source;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (FLAGS_enable_widevine_encryption) {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  std::unique_ptr<WidevineKeySource> widevine_key_source(</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">new</span> WidevineKeySource(FLAGS_key_server_url, FLAGS_include_common_pssh));</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (!FLAGS_signer.empty()) {</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  std::unique_ptr<RequestSigner> request_signer(CreateSigner());</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (!request_signer)</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  widevine_key_source->set_signer(std::move(request_signer));</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> </div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  std::vector<uint8_t> content_id;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (!base::HexStringToBytes(FLAGS_content_id, &content_id)) {</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  LOG(ERROR) << <span class="stringliteral">"Invalid content_id hex string specified."</span>;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  Status status = widevine_key_source->FetchKeys(content_id, FLAGS_policy);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  LOG(ERROR) << <span class="stringliteral">"Widevine encryption key source failed to fetch keys: "</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  << status.ToString();</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  encryption_key_source = std::move(widevine_key_source);</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (FLAGS_enable_fixed_key_encryption) {</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  encryption_key_source = <a class="code" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a9a91ba439d785022a1e2ceeaa9ebe81a">FixedKeySource::CreateFromHexStrings</a>(</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  FLAGS_key_id, FLAGS_key, FLAGS_pssh, FLAGS_iv);</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (FLAGS_enable_playready_encryption) {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (!FLAGS_playready_key_id.empty() && !FLAGS_playready_key.empty()) {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  encryption_key_source = <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4f539e8a54fef68aea5629489669508b">PlayReadyKeySource::CreateFromKeyAndKeyId</a>(</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  FLAGS_playready_key_id, FLAGS_playready_key);</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!FLAGS_playready_server_url.empty() &&</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  !FLAGS_program_identifier.empty()) {</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  std::unique_ptr<PlayReadyKeySource> playready_key_source;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (!FLAGS_client_cert_file.empty() &&</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  !FLAGS_client_cert_private_key_file.empty() &&</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  !FLAGS_client_cert_private_key_password.empty()) {</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  playready_key_source.reset(<span class="keyword">new</span> PlayReadyKeySource(</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  FLAGS_playready_server_url,</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  FLAGS_client_cert_file,</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  FLAGS_client_cert_private_key_file,</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  FLAGS_client_cert_private_key_password));</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  playready_key_source.reset(<span class="keyword">new</span> PlayReadyKeySource(</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  FLAGS_playready_server_url));</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (!FLAGS_ca_file.empty()) {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  playready_key_source-><a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#adeac90b9cff39bfa259f81ff3e93679c">SetCaFile</a>(FLAGS_ca_file);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
|
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  playready_key_source->FetchKeysWithProgramIdentifier(FLAGS_program_identifier);</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  encryption_key_source = std::move(playready_key_source);</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  LOG(ERROR) << <span class="stringliteral">"Error creating PlayReady key source."</span>;</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> encryption_key_source;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> }</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> std::unique_ptr<KeySource> CreateDecryptionKeySource() {</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  std::unique_ptr<KeySource> decryption_key_source;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (FLAGS_enable_widevine_decryption) {</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  std::unique_ptr<WidevineKeySource> widevine_key_source(</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">new</span> WidevineKeySource(FLAGS_key_server_url, FLAGS_include_common_pssh));</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span> (!FLAGS_signer.empty()) {</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  std::unique_ptr<RequestSigner> request_signer(CreateSigner());</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (!request_signer)</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  widevine_key_source->set_signer(std::move(request_signer));</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
|
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  decryption_key_source = std::move(widevine_key_source);</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (FLAGS_enable_fixed_key_decryption) {</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> kNoPssh[] = <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> kNoIv[] = <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  decryption_key_source = <a class="code" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a9a91ba439d785022a1e2ceeaa9ebe81a">FixedKeySource::CreateFromHexStrings</a>(</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  FLAGS_key_id, FLAGS_key, kNoPssh, kNoIv);</div>
|
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div>
|
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> decryption_key_source;</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div>
|
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> ChunkingOptions GetChunkingOptions() {</div>
|
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  ChunkingOptions chunking_options;</div>
|
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  chunking_options.<a class="code" href="../../db/d02/structshaka_1_1media_1_1ChunkingOptions.html#a1cdbde61303f629cc9b4cbcd98f2d711">segment_duration_in_seconds</a> = FLAGS_segment_duration;</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  chunking_options.subsegment_duration_in_seconds = FLAGS_fragment_duration;</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  chunking_options.segment_sap_aligned = FLAGS_segment_sap_aligned;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  chunking_options.subsegment_sap_aligned = FLAGS_fragment_sap_aligned;</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span> chunking_options;</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div>
|
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div>
|
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> EncryptionOptions GetEncryptionOptions() {</div>
|
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  EncryptionOptions encryption_options;</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  encryption_options.<a class="code" href="../../d6/d82/structshaka_1_1media_1_1EncryptionOptions.html#a3d58dc01a4af0ebfb56f3c4979f745f7">clear_lead_in_seconds</a> = FLAGS_clear_lead;</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  encryption_options.protection_scheme =</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  GetProtectionScheme(FLAGS_protection_scheme);</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  encryption_options.max_sd_pixels = FLAGS_max_sd_pixels;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  encryption_options.max_hd_pixels = FLAGS_max_hd_pixels;</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  encryption_options.max_uhd1_pixels = FLAGS_max_uhd1_pixels;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  encryption_options.crypto_period_duration_in_seconds =</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  FLAGS_crypto_period_duration;</div>
|
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> encryption_options;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> }</div>
|
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div>
|
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> MuxerOptions GetMuxerOptions() {</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  MuxerOptions muxer_options;</div>
|
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  muxer_options.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a2db773300dadf681c40bef0b3eca3ece">num_subsegments_per_sidx</a> = FLAGS_num_subsegments_per_sidx;</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  muxer_options.webm_subsample_encryption = FLAGS_webm_subsample_encryption;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (FLAGS_mp4_use_decoding_timestamp_in_timeline) {</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  LOG(WARNING) << <span class="stringliteral">"Flag --mp4_use_decoding_timestamp_in_timeline is set. "</span></div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="stringliteral">"Note that it is a temporary hack to workaround Chromium "</span></div>
|
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="stringliteral">"bug https://crbug.com/398130. The flag may be removed "</span></div>
|
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="stringliteral">"when the Chromium bug is fixed."</span>;</div>
|
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<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>  muxer_options.mp4_use_decoding_timestamp_in_timeline =</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  FLAGS_mp4_use_decoding_timestamp_in_timeline;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  muxer_options.temp_dir = FLAGS_temp_dir;</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> muxer_options;</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div>
|
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<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> MpdOptions GetMpdOptions(<span class="keywordtype">bool</span> on_demand_profile) {</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  MpdOptions mpd_options;</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  mpd_options.dash_profile =</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  on_demand_profile ? DashProfile::kOnDemand : DashProfile::kLive;</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  mpd_options.mpd_type = (on_demand_profile || FLAGS_generate_static_mpd)</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  ? MpdType::kStatic</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  : MpdType::kDynamic;</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  mpd_options.availability_time_offset = FLAGS_availability_time_offset;</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  mpd_options.minimum_update_period = FLAGS_minimum_update_period;</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  mpd_options.min_buffer_time = FLAGS_min_buffer_time;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  mpd_options.time_shift_buffer_depth = FLAGS_time_shift_buffer_depth;</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  mpd_options.suggested_presentation_delay = FLAGS_suggested_presentation_delay;</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  mpd_options.default_language = FLAGS_default_language;</div>
|
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">return</span> mpd_options;</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> }</div>
|
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
|
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> } <span class="comment">// namespace shaka</span></div>
|
|
<div class="ttc" id="classshaka_1_1media_1_1RsaRequestSigner_html_af6af635a7c0a01bb638befb71b88386c"><div class="ttname"><a href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html#af6af635a7c0a01bb638befb71b88386c">shaka::media::RsaRequestSigner::CreateSigner</a></div><div class="ttdeci">static RsaRequestSigner * CreateSigner(const std::string &signer_name, const std::string &pkcs1_rsa_key)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df5/request__signer_8cc_source.html#l00064">request_signer.cc:64</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1AesRequestSigner_html_a43f4cc9fad9901fa905805be81f7d58c"><div class="ttname"><a href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a43f4cc9fad9901fa905805be81f7d58c">shaka::media::AesRequestSigner::CreateSigner</a></div><div class="ttdeci">static AesRequestSigner * CreateSigner(const std::string &signer_name, const std::string &aes_key_hex, const std::string &iv_hex)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df5/request__signer_8cc_source.html#l00029">request_signer.cc:29</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1FixedKeySource_html_a9a91ba439d785022a1e2ceeaa9ebe81a"><div class="ttname"><a href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a9a91ba439d785022a1e2ceeaa9ebe81a">shaka::media::FixedKeySource::CreateFromHexStrings</a></div><div class="ttdeci">static std::unique_ptr< FixedKeySource > CreateFromHexStrings(const std::string &key_id_hex, const std::string &key_hex, const std::string &pssh_boxes_hex, const std::string &iv_hex)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d6b/fixed__key__source_8cc_source.html#l00087">fixed_key_source.cc:87</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1PlayReadyKeySource_html_adeac90b9cff39bfa259f81ff3e93679c"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#adeac90b9cff39bfa259f81ff3e93679c">shaka::media::PlayReadyKeySource::SetCaFile</a></div><div class="ttdeci">void SetCaFile(const std::string &ca_file)</div><div class="ttdoc">Sets the Certificate Authority file for validating self-signed certificates. </div><div class="ttdef"><b>Definition:</b> <a href="../../df/d00/playready__key__source_8h_source.html#l00065">playready_key_source.h:65</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1MuxerOptions_html_a2db773300dadf681c40bef0b3eca3ece"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a2db773300dadf681c40bef0b3eca3ece">shaka::media::MuxerOptions::num_subsegments_per_sidx</a></div><div class="ttdeci">int num_subsegments_per_sidx</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00027">muxer_options.h:27</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1EncryptionOptions_html_a3d58dc01a4af0ebfb56f3c4979f745f7"><div class="ttname"><a href="../../d6/d82/structshaka_1_1media_1_1EncryptionOptions.html#a3d58dc01a4af0ebfb56f3c4979f745f7">shaka::media::EncryptionOptions::clear_lead_in_seconds</a></div><div class="ttdeci">double clear_lead_in_seconds</div><div class="ttdoc">Clear lead duration in seconds. </div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dbc/encryption__handler_8h_source.html#l00025">encryption_handler.h:25</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1ChunkingOptions_html_a1cdbde61303f629cc9b4cbcd98f2d711"><div class="ttname"><a href="../../db/d02/structshaka_1_1media_1_1ChunkingOptions.html#a1cdbde61303f629cc9b4cbcd98f2d711">shaka::media::ChunkingOptions::segment_duration_in_seconds</a></div><div class="ttdeci">double segment_duration_in_seconds</div><div class="ttdoc">Segment duration in seconds. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d79/chunking__handler_8h_source.html#l00019">chunking_handler.h:19</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1File_html_a622dbc8abacebb40b816aa0174ba7c60"><div class="ttname"><a href="../../d3/d61/classshaka_1_1media_1_1File.html#a622dbc8abacebb40b816aa0174ba7c60">shaka::media::File::ReadFileToString</a></div><div class="ttdeci">static bool ReadFileToString(const char *file_name, std::string *contents)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00185">file.cc:185</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1PlayReadyKeySource_html_a4f539e8a54fef68aea5629489669508b"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4f539e8a54fef68aea5629489669508b">shaka::media::PlayReadyKeySource::CreateFromKeyAndKeyId</a></div><div class="ttdeci">static std::unique_ptr< PlayReadyKeySource > CreateFromKeyAndKeyId(const std::string &key_id_hex, const std::string &key_hex)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd0/playready__key__source_8cc_source.html#l00184">playready_key_source.cc:184</a></div></div>
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