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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 "packager/base/logging.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/base/strings/string_number_conversions.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/strings/string_split.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/fixed_key_source.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/base/media_handler.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/base/muxer_options.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/base/playready_key_source.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "packager/media/base/request_signer.h"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/media/base/status.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "packager/media/base/widevine_key_source.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/chunking/chunking_handler.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/crypto/encryption_handler.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/file/file.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "packager/mpd/base/mpd_options.h"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "packager/packager.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </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> FourCC GetProtectionScheme(<span class="keyword">const</span> std::string& protection_scheme) {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">if</span> (protection_scheme == <span class="stringliteral">"cenc"</span>) {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">return</span> FOURCC_cenc;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</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="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> FOURCC_cens;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</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="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">return</span> FOURCC_cbc1;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</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="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> FOURCC_cbcs;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  LOG(ERROR) << <span class="stringliteral">"Unknown protection scheme: "</span> << protection_scheme;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">return</span> FOURCC_NULL;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  }</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> }</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> std::unique_ptr<RequestSigner> CreateSigner(<span class="keyword">const</span> WidevineSigner& signer) {</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  std::unique_ptr<RequestSigner> request_signer;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">switch</span> (signer.signing_key_type) {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">case</span> WidevineSigner::SigningKeyType::kAes:</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  request_signer.reset(<a class="code" href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a8ae2058318e5894422acb95586e3c471">AesRequestSigner::CreateSigner</a>(</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  signer.signer_name, signer.aes.key, signer.aes.iv));</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">case</span> WidevineSigner::SigningKeyType::kRsa:</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  request_signer.reset(</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html#af6af635a7c0a01bb638befb71b88386c">RsaRequestSigner::CreateSigner</a>(signer.signer_name, signer.rsa.key));</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">case</span> WidevineSigner::SigningKeyType::kNone:</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (!request_signer)</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  LOG(ERROR) << <span class="stringliteral">"Failed to create the signer object."</span>;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> request_signer;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</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> std::unique_ptr<KeySource> CreateEncryptionKeySource(</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  FourCC protection_scheme,</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">const</span> EncryptionParams& encryption_params) {</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  std::unique_ptr<KeySource> encryption_key_source;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">switch</span> (encryption_params.key_provider) {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">case</span> KeyProvider::kWidevine: {</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">const</span> WidevineEncryptionParams& widevine = encryption_params.widevine;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span> (widevine.key_server_url.empty()) {</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  LOG(ERROR) << <span class="stringliteral">"'key_server_url' should not be empty."</span>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (widevine.content_id.empty()) {</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  LOG(ERROR) << <span class="stringliteral">"'content_id' should not be empty."</span>;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  std::unique_ptr<WidevineKeySource> widevine_key_source(</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">new</span> WidevineKeySource(widevine.key_server_url,</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  widevine.include_common_pssh));</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  widevine_key_source->set_protection_scheme(protection_scheme);</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (!widevine.signer.signer_name.empty()) {</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  std::unique_ptr<RequestSigner> request_signer(</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  CreateSigner(widevine.signer));</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> (!request_signer)</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  widevine_key_source->set_signer(std::move(request_signer));</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> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  Status status =</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  widevine_key_source->FetchKeys(widevine.content_id, widevine.policy);</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</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="l00096"></a><span class="lineno"> 96</span>  << status.ToString();</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</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>  encryption_key_source = std::move(widevine_key_source);</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">break</span>;</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="keywordflow">case</span> KeyProvider::kRawKey: {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> RawKeyEncryptionParams& raw_key = encryption_params.raw_key;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> std::string kDefaultTrackType;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// TODO(kqyang): Refactor FixedKeySource.</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  encryption_key_source = <a class="code" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#aebde54a272565d4b81a1139ea35fab63">FixedKeySource::Create</a>(</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  raw_key.key_map.find(<span class="stringliteral">""</span>)->second.key_id,</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  raw_key.key_map.find(<span class="stringliteral">""</span>)->second.key, raw_key.pssh, raw_key.iv);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">break</span>;</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>  <span class="keywordflow">case</span> KeyProvider::kPlayready: {</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">const</span> PlayreadyEncryptionParams& playready = encryption_params.playready;</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> (!playready.key_id.empty() && !playready.key.empty()) {</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  encryption_key_source = <a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a76f18b778d83492e5b7ed90637124b2c">PlayReadyKeySource::CreateFromKeyAndKeyId</a>(</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  playready.key_id, playready.key);</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!playready.key_server_url.empty() &&</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  !playready.program_identifier.empty()) {</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  std::unique_ptr<PlayReadyKeySource> playready_key_source;</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (!playready.client_cert_file.empty() &&</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  !playready.client_cert_private_key_file.empty() &&</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  !playready.client_cert_private_key_password.empty()) {</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  playready_key_source.reset(<span class="keyword">new</span> PlayReadyKeySource(</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  playready.key_server_url, playready.client_cert_file,</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  playready.client_cert_private_key_file,</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  playready.client_cert_private_key_password));</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  playready_key_source.reset(</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">new</span> PlayReadyKeySource(playready.key_server_url));</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (!playready.ca_file.empty()) {</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  playready_key_source-><a class="code" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#adeac90b9cff39bfa259f81ff3e93679c">SetCaFile</a>(playready.ca_file);</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  playready_key_source->FetchKeysWithProgramIdentifier(</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  playready.program_identifier);</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  encryption_key_source = std::move(playready_key_source);</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  LOG(ERROR) << <span class="stringliteral">"Error creating PlayReady key source."</span>;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">case</span> KeyProvider::kNone:</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> encryption_key_source;</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> std::unique_ptr<KeySource> CreateDecryptionKeySource(</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> DecryptionParams& decryption_params) {</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  std::unique_ptr<KeySource> decryption_key_source;</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">switch</span> (decryption_params.key_provider) {</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">case</span> KeyProvider::kWidevine: {</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> WidevineDecryptionParams& widevine = decryption_params.widevine;</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (widevine.key_server_url.empty()) {</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  LOG(ERROR) << <span class="stringliteral">"'key_server_url' should not be empty."</span>;</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  std::unique_ptr<WidevineKeySource> widevine_key_source(</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">new</span> WidevineKeySource(widevine.key_server_url,</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">true</span> <span class="comment">/* commmon pssh, does not matter here */</span>));</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (!widevine.signer.signer_name.empty()) {</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  std::unique_ptr<RequestSigner> request_signer(</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  CreateSigner(widevine.signer));</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (!request_signer)</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> std::unique_ptr<KeySource>();</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  widevine_key_source->set_signer(std::move(request_signer));</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  decryption_key_source = std::move(widevine_key_source);</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">case</span> KeyProvider::kRawKey: {</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">const</span> RawKeyDecryptionParams& raw_key = decryption_params.raw_key;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">const</span> std::vector<uint8_t> kNoPssh;</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">const</span> std::vector<uint8_t> kNoIv;</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  decryption_key_source = <a class="code" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#aebde54a272565d4b81a1139ea35fab63">FixedKeySource::Create</a>(</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  raw_key.key_map.find(<span class="stringliteral">""</span>)->second.key_id,</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  raw_key.key_map.find(<span class="stringliteral">""</span>)->second.key, kNoPssh, kNoIv);</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">case</span> KeyProvider::kNone:</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">case</span> KeyProvider::kPlayready:</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> decryption_key_source;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> ChunkingOptions GetChunkingOptions(<span class="keyword">const</span> ChunkingParams& chunking_params) {</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  ChunkingOptions chunking_options;</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  chunking_options.<a class="code" href="../../db/d02/structshaka_1_1media_1_1ChunkingOptions.html#a1cdbde61303f629cc9b4cbcd98f2d711">segment_duration_in_seconds</a> =</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  chunking_params.segment_duration_in_seconds;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  chunking_options.subsegment_duration_in_seconds =</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  chunking_params.subsegment_duration_in_seconds;</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  chunking_options.segment_sap_aligned = chunking_params.segment_sap_aligned;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  chunking_options.subsegment_sap_aligned =</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  chunking_params.subsegment_sap_aligned;</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> chunking_options;</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> }</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> EncryptionOptions GetEncryptionOptions(</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">const</span> EncryptionParams& encryption_params) {</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  EncryptionOptions encryption_options;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  encryption_options.<a class="code" href="../../d6/d82/structshaka_1_1media_1_1EncryptionOptions.html#a3d58dc01a4af0ebfb56f3c4979f745f7">clear_lead_in_seconds</a> =</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  encryption_params.clear_lead_in_seconds;</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  encryption_options.protection_scheme =</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  GetProtectionScheme(encryption_params.protection_scheme);</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  encryption_options.crypto_period_duration_in_seconds =</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  encryption_params.crypto_period_duration_in_seconds;</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  encryption_options.vp9_subsample_encryption =</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  encryption_params.vp9_subsample_encryption;</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  encryption_options.stream_label_func = encryption_params.stream_label_func;</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">return</span> encryption_options;</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> }</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> MuxerOptions GetMuxerOptions(<span class="keyword">const</span> std::string& temp_dir,</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">const</span> Mp4OutputParams& mp4_params) {</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  MuxerOptions muxer_options;</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  muxer_options.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a2db773300dadf681c40bef0b3eca3ece">num_subsegments_per_sidx</a> = mp4_params.num_subsegments_per_sidx;</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  muxer_options.mp4_include_pssh_in_stream = mp4_params.include_pssh_in_stream;</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  muxer_options.mp4_use_decoding_timestamp_in_timeline =</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  mp4_params.use_decoding_timestamp_in_timeline;</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  muxer_options.temp_dir = temp_dir;</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">return</span> muxer_options;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> }</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> MpdOptions GetMpdOptions(<span class="keywordtype">bool</span> on_demand_profile, <span class="keyword">const</span> MpdParams& mpd_params) {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  MpdOptions mpd_options;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  mpd_options.dash_profile =</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  on_demand_profile ? DashProfile::kOnDemand : DashProfile::kLive;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  mpd_options.mpd_type =</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  (on_demand_profile || mpd_params.generate_static_live_mpd)</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  ? MpdType::kStatic</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  : MpdType::kDynamic;</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  mpd_options.minimum_update_period = mpd_params.minimum_update_period;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  mpd_options.min_buffer_time = mpd_params.min_buffer_time;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  mpd_options.time_shift_buffer_depth = mpd_params.time_shift_buffer_depth;</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  mpd_options.suggested_presentation_delay =</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  mpd_params.suggested_presentation_delay;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  mpd_options.default_language = mpd_params.default_language;</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">return</span> mpd_options;</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> }</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> Status ConnectHandlers(std::vector<std::shared_ptr<MediaHandler>>& handlers) {</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordtype">size_t</span> num_handlers = handlers.size();</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  Status status;</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 1; i < num_handlers; ++i) {</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  status.<a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html#a74d29f349b4673d2eef69a47f5152fe4">Update</a>(handlers[i - 1]->AddHandler(handlers[i]));</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> status;</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> }</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</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#l00053">request_signer.cc:53</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1AesRequestSigner_html_a8ae2058318e5894422acb95586e3c471"><div class="ttname"><a href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a8ae2058318e5894422acb95586e3c471">shaka::media::AesRequestSigner::CreateSigner</a></div><div class="ttdeci">static AesRequestSigner * CreateSigner(const std::string &signer_name, const std::vector< uint8_t > &aes_key, const std::vector< uint8_t > &iv)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df5/request__signer_8cc_source.html#l00028">request_signer.cc:28</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1Status_html_a74d29f349b4673d2eef69a47f5152fe4"><div class="ttname"><a href="../../d0/d93/classshaka_1_1media_1_1Status.html#a74d29f349b4673d2eef69a47f5152fe4">shaka::media::Status::Update</a></div><div class="ttdeci">void Update(const Status &new_status)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00130">status.h:130</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#l00062">playready_key_source.h:62</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#l00026">encryption_handler.h:26</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_1FixedKeySource_html_aebde54a272565d4b81a1139ea35fab63"><div class="ttname"><a href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#aebde54a272565d4b81a1139ea35fab63">shaka::media::FixedKeySource::Create</a></div><div class="ttdeci">static std::unique_ptr< FixedKeySource > Create(const std::vector< uint8_t > &key_id, const std::vector< uint8_t > &key, const std::vector< uint8_t > &pssh_boxes, const std::vector< uint8_t > &iv)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d6b/fixed__key__source_8cc_source.html#l00078">fixed_key_source.cc:78</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1PlayReadyKeySource_html_a76f18b778d83492e5b7ed90637124b2c"><div class="ttname"><a href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a76f18b778d83492e5b7ed90637124b2c">shaka::media::PlayReadyKeySource::CreateFromKeyAndKeyId</a></div><div class="ttdeci">static std::unique_ptr< PlayReadyKeySource > CreateFromKeyAndKeyId(const std::vector< uint8_t > &key_id, const std::vector< uint8_t > &key)</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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