shaka-packager/docs/d1/d7d/webm__video__client_8cc_sou...

294 lines
34 KiB
HTML
Raw Normal View History

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.6"/>
<title>DASH Media Packaging SDK: media/formats/webm/webm_video_client.cc Source File</title>
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">DASH Media Packaging SDK
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "../../search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="../../index.html"><span>Main&#160;Page</span></a></li>
<li><a href="../../namespaces.html"><span>Namespaces</span></a></li>
<li><a href="../../annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="../../files.html"><span>Files</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="../../search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="../../search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="../../files.html"><span>File&#160;List</span></a></li>
</ul>
</div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Enumerator</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="../../dir_39dc0668bd5a501998f94e8b4e546c71.html">media</a></li><li class="navelem"><a class="el" href="../../dir_65f7acfa8cf3a5f1edc11faa2428b914.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_5039d854a18988ed1f1dbebc120ffbf7.html">webm</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">webm_video_client.cc</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 The Chromium Authors. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// found in the LICENSE file.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/webm/webm_video_client.h&quot;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;packager/base/logging.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &quot;packager/base/stl_util.h&quot;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &quot;packager/media/filters/vp_codec_configuration.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/webm/webm_constants.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment">// Timestamps are represented in double in WebM. Convert to uint64_t in us.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">const</span> uint32_t kWebMTimeScale = 1000000u;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;int64_t GetGreatestCommonDivisor(int64_t a, int64_t b) {</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; <span class="keywordflow">while</span> (b) {</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; int64_t temp = b;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; b = a % b;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; a = temp;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; }</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="keywordflow">return</span> a;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;}</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;} <span class="comment">// namespace</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">namespace </span>edash_packager {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">namespace </span>media {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;WebMVideoClient::WebMVideoClient() {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <a class="code" href="../../dc/d0c/classedash__packager_1_1media_1_1WebMVideoClient.html#a930005c28c03cc72b0f6b8d2500964a4">Reset</a>();</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;}</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;WebMVideoClient::~WebMVideoClient() {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;}</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="../../dc/d0c/classedash__packager_1_1media_1_1WebMVideoClient.html#a930005c28c03cc72b0f6b8d2500964a4"> 38</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dc/d0c/classedash__packager_1_1media_1_1WebMVideoClient.html#a930005c28c03cc72b0f6b8d2500964a4">WebMVideoClient::Reset</a>() {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; pixel_width_ = -1;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; pixel_height_ = -1;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; crop_bottom_ = -1;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; crop_top_ = -1;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; crop_left_ = -1;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; crop_right_ = -1;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; display_width_ = -1;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; display_height_ = -1;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; display_unit_ = -1;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; alpha_mode_ = -1;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;}</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="../../dc/d0c/classedash__packager_1_1media_1_1WebMVideoClient.html#ae9bd12612eca7668a8cca6c122f06065"> 51</a></span>&#160;scoped_refptr&lt;VideoStreamInfo&gt; <a class="code" href="../../dc/d0c/classedash__packager_1_1media_1_1WebMVideoClient.html#ae9bd12612eca7668a8cca6c122f06065">WebMVideoClient::GetVideoStreamInfo</a>(</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; int64_t track_num,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keyword">const</span> std::string&amp; codec_id,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; codec_private,</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordtype">bool</span> is_encrypted) {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; VideoCodec video_codec = kUnknownVideoCodec;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">if</span> (codec_id == <span class="stringliteral">&quot;V_VP8&quot;</span>) {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; video_codec = kCodecVP8;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (codec_id == <span class="stringliteral">&quot;V_VP9&quot;</span>) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; video_codec = kCodecVP9;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (codec_id == <span class="stringliteral">&quot;V_VP10&quot;</span>) {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; video_codec = kCodecVP10;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Unsupported video codec_id &quot;</span> &lt;&lt; codec_id;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">return</span> scoped_refptr&lt;VideoStreamInfo&gt;();</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">if</span> (pixel_width_ &lt;= 0 || pixel_height_ &lt;= 0)</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordflow">return</span> scoped_refptr&lt;VideoStreamInfo&gt;();</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="comment">// Set crop and display unit defaults if these elements are not present.</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">if</span> (crop_bottom_ == -1)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; crop_bottom_ = 0;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordflow">if</span> (crop_top_ == -1)</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; crop_top_ = 0;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordflow">if</span> (crop_left_ == -1)</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; crop_left_ = 0;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordflow">if</span> (crop_right_ == -1)</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; crop_right_ = 0;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">if</span> (display_unit_ == -1)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; display_unit_ = 0;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; uint16_t width_after_crop = pixel_width_ - (crop_left_ + crop_right_);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; uint16_t height_after_crop = pixel_height_ - (crop_top_ + crop_bottom_);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">if</span> (display_unit_ == 0) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordflow">if</span> (display_width_ &lt;= 0)</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; display_width_ = width_after_crop;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordflow">if</span> (display_height_ &lt;= 0)</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; display_height_ = height_after_crop;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (display_unit_ == 3) {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordflow">if</span> (display_width_ &lt;= 0 || display_height_ &lt;= 0)</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordflow">return</span> scoped_refptr&lt;VideoStreamInfo&gt;();</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Unsupported display unit type &quot;</span> &lt;&lt; display_unit_;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">return</span> scoped_refptr&lt;VideoStreamInfo&gt;();</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="comment">// Calculate sample aspect ratio.</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; int64_t sar_x = display_width_ * height_after_crop;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; int64_t sar_y = display_height_ * width_after_crop;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; int64_t gcd = GetGreatestCommonDivisor(sar_x, sar_y);</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; sar_x /= gcd;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; sar_y /= gcd;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="comment">// TODO(kqyang): Fill in the values for vp codec configuration.</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keyword">const</span> uint8_t profile = 0;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keyword">const</span> uint8_t level = 0;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keyword">const</span> uint8_t bit_depth = 8;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">const</span> uint8_t color_space = 0;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keyword">const</span> uint8_t chroma_subsampling = 0;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keyword">const</span> uint8_t transfer_function = 0;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keyword">const</span> <span class="keywordtype">bool</span> video_full_range_flag = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <a class="code" href="../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html">VPCodecConfiguration</a> vp_config(profile, level, bit_depth, color_space,</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; chroma_subsampling, transfer_function,</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; video_full_range_flag, codec_private);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; std::vector&lt;uint8_t&gt; extra_data;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; vp_config.<a class="code" href="../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a295be0ed186f54b41da39522bc0d9699">Write</a>(&amp;extra_data);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">return</span> scoped_refptr&lt;VideoStreamInfo&gt;(<span class="keyword">new</span> <a class="code" href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html">VideoStreamInfo</a>(</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; track_num, kWebMTimeScale, 0, video_codec,</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; vp_config.<a class="code" href="../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a56c474703175b9a323ef24553da42704">GetCodecString</a>(video_codec), std::string(), width_after_crop,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; height_after_crop, sar_x, sar_y, 0, 0, vector_as_array(&amp;extra_data),</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; extra_data.size(), is_encrypted));</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;}</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="keywordtype">bool</span> WebMVideoClient::OnUInt(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, int64_t val) {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; int64_t* dst = NULL;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordflow">switch</span> (<span class="keywordtype">id</span>) {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">case</span> kWebMIdPixelWidth:</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; dst = &amp;pixel_width_;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">case</span> kWebMIdPixelHeight:</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; dst = &amp;pixel_height_;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordflow">case</span> kWebMIdPixelCropTop:</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; dst = &amp;crop_top_;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">case</span> kWebMIdPixelCropBottom:</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; dst = &amp;crop_bottom_;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">case</span> kWebMIdPixelCropLeft:</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; dst = &amp;crop_left_;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keywordflow">case</span> kWebMIdPixelCropRight:</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; dst = &amp;crop_right_;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordflow">case</span> kWebMIdDisplayWidth:</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; dst = &amp;display_width_;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordflow">case</span> kWebMIdDisplayHeight:</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; dst = &amp;display_height_;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">case</span> kWebMIdDisplayUnit:</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; dst = &amp;display_unit_;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">case</span> kWebMIdAlphaMode:</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; dst = &amp;alpha_mode_;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; }</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordflow">if</span> (*dst != -1) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Multiple values for id &quot;</span> &lt;&lt; std::hex &lt;&lt; <span class="keywordtype">id</span> &lt;&lt; <span class="stringliteral">&quot; specified (&quot;</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; &lt;&lt; *dst &lt;&lt; <span class="stringliteral">&quot; and &quot;</span> &lt;&lt; val &lt;&lt; <span class="stringliteral">&quot;)&quot;</span>;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; }</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; *dst = val;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;}</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;<span class="keywordtype">bool</span> WebMVideoClient::OnBinary(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keyword">const</span> uint8_t* data, <span class="keywordtype">int</span> size) {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="comment">// Accept binary fields we don&#39;t care about for now.</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;}</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;<span class="keywordtype">bool</span> WebMVideoClient::OnFloat(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">double</span> val) {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="comment">// Accept float fields we don&#39;t care about for now.</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;}</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;} <span class="comment">// namespace edash_packager</span></div>
<div class="ttc" id="classedash__packager_1_1media_1_1VPCodecConfiguration_html_a295be0ed186f54b41da39522bc0d9699"><div class="ttname"><a href="../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a295be0ed186f54b41da39522bc0d9699">edash_packager::media::VPCodecConfiguration::Write</a></div><div class="ttdeci">void Write(std::vector&lt; uint8_t &gt; *data) const </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dda/vp__codec__configuration_8cc_source.html#l00084">vp_codec_configuration.cc:84</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1WebMVideoClient_html_ae9bd12612eca7668a8cca6c122f06065"><div class="ttname"><a href="../../dc/d0c/classedash__packager_1_1media_1_1WebMVideoClient.html#ae9bd12612eca7668a8cca6c122f06065">edash_packager::media::WebMVideoClient::GetVideoStreamInfo</a></div><div class="ttdeci">scoped_refptr&lt; VideoStreamInfo &gt; GetVideoStreamInfo(int64_t track_num, const std::string &amp;codec_id, const std::vector&lt; uint8_t &gt; &amp;codec_private, bool is_encrypted)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d7d/webm__video__client_8cc_source.html#l00051">webm_video_client.cc:51</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1VPCodecConfiguration_html_a56c474703175b9a323ef24553da42704"><div class="ttname"><a href="../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a56c474703175b9a323ef24553da42704">edash_packager::media::VPCodecConfiguration::GetCodecString</a></div><div class="ttdeci">std::string GetCodecString(VideoCodec codec) const </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dda/vp__codec__configuration_8cc_source.html#l00099">vp_codec_configuration.cc:99</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1WebMVideoClient_html_a930005c28c03cc72b0f6b8d2500964a4"><div class="ttname"><a href="../../dc/d0c/classedash__packager_1_1media_1_1WebMVideoClient.html#a930005c28c03cc72b0f6b8d2500964a4">edash_packager::media::WebMVideoClient::Reset</a></div><div class="ttdeci">void Reset()</div><div class="ttdoc">Reset this object&#39;s state so it can process a new video track element. </div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d7d/webm__video__client_8cc_source.html#l00038">webm_video_client.cc:38</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1VideoStreamInfo_html"><div class="ttname"><a href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html">edash_packager::media::VideoStreamInfo</a></div><div class="ttdoc">Holds video stream information. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d87/video__stream__info_8h_source.html#l00031">video_stream_info.h:31</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1VPCodecConfiguration_html"><div class="ttname"><a href="../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html">edash_packager::media::VPCodecConfiguration</a></div><div class="ttdoc">Class for parsing or writing VP codec configuration data. </div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d73/vp__codec__configuration_8h_source.html#l00021">vp_codec_configuration.h:21</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Fri Dec 11 2015 23:57:36 for DASH Media Packaging SDK by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="../../doxygen.png" alt="doxygen"/>
</a> 1.8.6
</small></address>
</body>
</html>