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<li class="navelem"><a class="el" href="../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html">packager</a></li><li class="navelem"><a class="el" href="../../dir_f99dae54fe7170f791f339b952d5067a.html">media</a></li><li class="navelem"><a class="el" href="../../dir_375ba2cfd8fd5b05c50b92d996b9d386.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_51a7c7233efd277e3898c7f3689e7b5b.html">dvb</a></li> </ul>
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<div class="title">dvb_image.h</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 2020 Google LLC. 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">#ifndef PACKAGER_MEDIA_DVB_DVB_IMAGE_H_</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define PACKAGER_MEDIA_DVB_DVB_IMAGE_H_</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <type_traits></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html"> 16</a></span> <span class="keyword">struct </span><a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a> {</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  uint8_t r;</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  uint8_t g;</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  uint8_t b;</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  uint8_t a;</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a>& other)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordflow">return</span> r == other.r && g == other.g && b == other.b && a == other.a;</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="keywordtype">bool</span> operator!=(<span class="keyword">const</span> <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a>& other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !(*<span class="keyword">this</span> == other); }</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> };</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// To avoid copying, we pass an RgbaColor array as a uint8_t* pointer to libpng</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// for RGBA.</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> static_assert(std::is_pod<RgbaColor>::value, <span class="stringliteral">"RgbaColor must be POD"</span>);</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> static_assert(<span class="keyword">sizeof</span>(<a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a>) == 4, <span class="stringliteral">"RgbaColor not packed correctly"</span>);</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">enum class</span> BitDepth : uint8_t {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  k2Bit,</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  k4Bit,</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  k8Bit,</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>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html"> 47</a></span> <span class="keyword">class </span><a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">DvbImageColorSpace</a> {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">DvbImageColorSpace</a>();</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  ~<a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">DvbImageColorSpace</a>();</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">DvbImageColorSpace</a>(<span class="keyword">const</span> <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">DvbImageColorSpace</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">DvbImageColorSpace</a>& operator=(<span class="keyword">const</span> <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">DvbImageColorSpace</a>&) = <span class="keyword">delete</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>  <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a> GetColor(BitDepth bit_depth, uint8_t entry_id) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span> SetColor(BitDepth bit_depth, uint8_t entry_id, <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a> color);</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">void</span> <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html#afc8aacea2caeed42592db778482d9db7">Set2To4BitDepthMap</a>(<span class="keyword">const</span> uint8_t* map);</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html#a8731ee55d7b47980541b78783477c01c">Set2To8BitDepthMap</a>(<span class="keyword">const</span> uint8_t* map);</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">void</span> <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html#a49ca0b16ffc9d5cc6e3c8daa03bea8c7">Set4To8BitDepthMap</a>(<span class="keyword">const</span> uint8_t* map);</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a> GetColorRaw(BitDepth bit_depth, uint8_t entry_id) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// These hold the colors for each entry ID. Each value is initialized to the</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// special value kNoColor meaning there isn't a value present.</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a> color_map_2_[4];</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a> color_map_4_[16];</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a> color_map_8_[256];</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// See ETSI EN 300 743 Sections 10.4, 10.5, 10.6 for defaults.</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  uint8_t bit_depth_2_to_4_[4] = {0x0, 0x7, 0x8, 0xf};</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  uint8_t bit_depth_2_to_8_[4] = {0x0, 0x77, 0x88, 0xff};</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  uint8_t bit_depth_4_to_8_[16] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55,</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb,</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  0xcc, 0xdd, 0xee, 0xff};</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>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html"> 89</a></span> <span class="keyword">class </span><a class="code" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html">DvbImageBuilder</a> {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html">DvbImageBuilder</a>(<span class="keyword">const</span> <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">DvbImageColorSpace</a>* color_space,</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a>& default_color,</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  uint16_t max_width,</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  uint16_t max_height);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  ~<a class="code" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html">DvbImageBuilder</a>();</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html">DvbImageBuilder</a>(<span class="keyword">const</span> <a class="code" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html">DvbImageBuilder</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html">DvbImageBuilder</a>& operator=(<span class="keyword">const</span> <a class="code" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html">DvbImageBuilder</a>&) = <span class="keyword">delete</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>  uint16_t max_width()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> max_width_; }</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  uint16_t max_height()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> max_height_; }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">bool</span> AddPixel(BitDepth bit_depth, uint8_t byte_code, <span class="keywordtype">bool</span> is_top_rows);</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">void</span> NewRow(<span class="keywordtype">bool</span> is_top_rows);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> <a class="code" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html#a54dd37c2291b7b988f636527330b0d53">MirrorToBottomRows</a>();</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">bool</span> <a class="code" href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html#a4e952ceca8ca59c293936039df49c1ef">GetPixels</a>(<span class="keyword">const</span> <a class="code" href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">RgbaColor</a>** pixels,</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  uint16_t* width,</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  uint16_t* height) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">struct </span>Position {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  uint16_t x, y;</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  };</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">const</span> std::unique_ptr<RgbaColor[]> pixels_;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">const</span> <a class="code" href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">DvbImageColorSpace</a>* <span class="keyword">const</span> color_space_;</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  Position top_pos_, bottom_pos_;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> uint16_t max_width_;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> uint16_t max_height_;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  uint16_t width_;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> };</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="comment">// namespace media</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> } <span class="comment">// namespace shaka</span></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> <span class="preprocessor">#endif </span><span class="comment">// PACKAGER_MEDIA_DVB_DVB_IMAGE_H_</span></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1DvbImageBuilder_html"><div class="ttname"><a href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html">shaka::media::DvbImageBuilder</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de1/dvb__image_8h_source.html#l00089">dvb_image.h:89</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1DvbImageBuilder_html_a4e952ceca8ca59c293936039df49c1ef"><div class="ttname"><a href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html#a4e952ceca8ca59c293936039df49c1ef">shaka::media::DvbImageBuilder::GetPixels</a></div><div class="ttdeci">bool GetPixels(const RgbaColor **pixels, uint16_t *width, uint16_t *height) const</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/dcb/dvb__image_8cc_source.html#l00244">dvb_image.cc:244</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1DvbImageBuilder_html_a54dd37c2291b7b988f636527330b0d53"><div class="ttname"><a href="../../d9/d28/classshaka_1_1media_1_1DvbImageBuilder.html#a54dd37c2291b7b988f636527330b0d53">shaka::media::DvbImageBuilder::MirrorToBottomRows</a></div><div class="ttdeci">void MirrorToBottomRows()</div><div class="ttdoc">Copies the top-rows to the bottom rows.</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/dcb/dvb__image_8cc_source.html#l00232">dvb_image.cc:232</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1DvbImageColorSpace_html"><div class="ttname"><a href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html">shaka::media::DvbImageColorSpace</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de1/dvb__image_8h_source.html#l00047">dvb_image.h:47</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1DvbImageColorSpace_html_a49ca0b16ffc9d5cc6e3c8daa03bea8c7"><div class="ttname"><a href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html#a49ca0b16ffc9d5cc6e3c8daa03bea8c7">shaka::media::DvbImageColorSpace::Set4To8BitDepthMap</a></div><div class="ttdeci">void Set4To8BitDepthMap(const uint8_t *map)</div><div class="ttdoc">Must pass a 16-element array; elements are copied over.</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/dcb/dvb__image_8cc_source.html#l00175">dvb_image.cc:175</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1DvbImageColorSpace_html_a8731ee55d7b47980541b78783477c01c"><div class="ttname"><a href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html#a8731ee55d7b47980541b78783477c01c">shaka::media::DvbImageColorSpace::Set2To8BitDepthMap</a></div><div class="ttdeci">void Set2To8BitDepthMap(const uint8_t *map)</div><div class="ttdoc">Must pass a 4-element array; elements are copied over.</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/dcb/dvb__image_8cc_source.html#l00171">dvb_image.cc:171</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1DvbImageColorSpace_html_afc8aacea2caeed42592db778482d9db7"><div class="ttname"><a href="../../d8/db4/classshaka_1_1media_1_1DvbImageColorSpace.html#afc8aacea2caeed42592db778482d9db7">shaka::media::DvbImageColorSpace::Set2To4BitDepthMap</a></div><div class="ttdeci">void Set2To4BitDepthMap(const uint8_t *map)</div><div class="ttdoc">Must pass a 4-element array; elements are copied over.</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/dcb/dvb__image_8cc_source.html#l00167">dvb_image.cc:167</a></div></div>
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<div class="ttc" id="anamespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1RgbaColor_html"><div class="ttname"><a href="../../d4/dfa/structshaka_1_1media_1_1RgbaColor.html">shaka::media::RgbaColor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de1/dvb__image_8h_source.html#l00016">dvb_image.h:16</a></div></div>
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