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<!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"/> <title>CLAM-Development: OggVorbisAudioStream.hxx 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="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">CLAM-Development  <span id="projectnumber">1.4.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.1 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</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> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_a5d6bdf71c44cd1c5b4b1c0b09df7fcb.html">audiofileio</a></li><li class="navelem"><a class="el" href="dir_dddbcaca927ef7d94ad9f59cd5fba68c.html">codecs</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">OggVorbisAudioStream.hxx</div> </div> </div><!--header--> <div class="contents"> <a href="OggVorbisAudioStream_8hxx.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * UNIVERSITAT POMPEU FABRA</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * (at your option) any later version.</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#if USE_OGGVORBIS != 1</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#error USE_OGGVORBIS was not set to 1 in your settings.cfg file, but you are including files that require this. Please fix your settings.cfg</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#ifndef __OGGVORBISAUDIOSTREAM__</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span><span class="preprocessor">#define __OGGVORBISAUDIOSTREAM__</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <string></span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <vorbis/vorbisfile.h></span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <vorbis/vorbisenc.h></span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <deque></span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <vector></span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="AudioCodecs__Stream_8hxx.html">AudioCodecs_Stream.hxx</a>"</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="DataTypes_8hxx.html">DataTypes.hxx</a>"</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>CLAM</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>AudioCodecs</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {</div> <div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html"> 42</a></span>  <span class="keyword">class </span><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html">OggVorbisAudioStream</a> : <span class="keyword">public</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1Stream.html" title="Streams provide I/O to and from an audio file of a given format.">Stream</a></div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">public</span>:</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a1fb1e6531acc5fbd2aed0017f796dbf9">OggVorbisAudioStream</a>( <span class="keyword">const</span> <a class="code" href="classCLAM_1_1AudioFile.html">AudioFile</a>& file );</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a8e4178d77718a9d0f2048c3e5e99bcf6">~OggVorbisAudioStream</a>();</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a9486a9e1f3e61547aec54a4a1bf90a57" title="Open the stream in read mode.">PrepareReading</a>();</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a6d88f9813579bf6c4d5f25c4e7604883" title="Open the stream in write mode.">PrepareWriting</a>();</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a9194442afc0dff0017914658d887ced4" title="Close the stream.">Dispose</a>();</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a0270802a2c00b666dcfe79c2fda44fc6" title="Moves the current position to framePosition. If such functionality is not supported by the stream it ...">SeekTo</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> framePosition);</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">protected</span>:</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#ae59f48bb598d56ef75b34f4f464b2028" title="Move data from the file to mInterleavedData.">DiskToMemoryTransfer</a>();</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a8c7a8938ecb3d25d830f3153f07c1bff" title="Move data from mInterleavedData to the file.">MemoryToDiskTransfer</a>();</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">private</span>:</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">void</span> VorbisI_EncoderSetup();</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">void</span> WriteBitstreamHeader();</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">void</span> DoVorbisAnalysis();</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">void</span> PushAnalysisBlocksOntoOggStream();</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">void</span> ConsumeDecodedSamples();</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">protected</span>:</div> <div class="line"><a name="l00067"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a449c40105655011dd494211ac179378f"> 67</a></span>  std::string <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a449c40105655011dd494211ac179378f">mName</a>;</div> <div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#ab7e88f6050b01727224dc8864593d5a7"> 68</a></span>  FILE* <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#ab7e88f6050b01727224dc8864593d5a7">mFileHandle</a>;</div> <div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#ad9ad2442cb191669f6362abfea92f662"> 69</a></span>  OggVorbis_File <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#ad9ad2442cb191669f6362abfea92f662">mNativeFileParams</a>;</div> <div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a2d9ab5cc2a55507d512c43a68839dc35"> 70</a></span>  <span class="keywordtype">int</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a2d9ab5cc2a55507d512c43a68839dc35">mCurrentSection</a>;</div> <div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a5d0acc22e6e2b3cc2d0cbe808a2bfec1"> 71</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a5d0acc22e6e2b3cc2d0cbe808a2bfec1">mValidFileParams</a>;</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// Structs needed for Vorbis encoding</span></div> <div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a281a207ff4b83964b86bc35e979cbfab"> 74</a></span>  vorbis_info <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a281a207ff4b83964b86bc35e979cbfab">mStreamInfo</a>;</div> <div class="line"><a name="l00075"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a1e0fa5f221a19c38f197ddf21ed1d4ea"> 75</a></span>  vorbis_comment <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a1e0fa5f221a19c38f197ddf21ed1d4ea">mFileComments</a>;</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> <div class="line"><a name="l00077"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a8a36d568474aad60fbd758965285f3e1"> 77</a></span>  ogg_stream_state <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a8a36d568474aad60fbd758965285f3e1">mOggStreamState</a>; <span class="comment">// os</span></div> <div class="line"><a name="l00078"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a8b31b59ac777f459f712261cdebaf702"> 78</a></span>  ogg_page <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a8b31b59ac777f459f712261cdebaf702">mOggPage</a>; <span class="comment">// og</span></div> <div class="line"><a name="l00079"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#afb0c48164e1e1b77713908c12ec0c7cb"> 79</a></span>  ogg_packet <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#afb0c48164e1e1b77713908c12ec0c7cb">mOggPacket</a>; <span class="comment">// op</span></div> <div class="line"><a name="l00080"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#ae94df0ed7687a710e4ac79eb9b53c1e0"> 80</a></span>  vorbis_dsp_state <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#ae94df0ed7687a710e4ac79eb9b53c1e0">mDSPState</a>; <span class="comment">// vd</span></div> <div class="line"><a name="l00081"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a34a060d47eddf597de9c17c3a73d3894"> 81</a></span>  vorbis_block <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a34a060d47eddf597de9c17c3a73d3894">mVorbisBlock</a>; <span class="comment">// vb</span></div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div> <div class="line"><a name="l00083"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a0286ed43c9279f290138f9eafea46501"> 83</a></span>  <span class="keywordtype">int</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a0286ed43c9279f290138f9eafea46501">mEncodedSampleRate</a>;</div> <div class="line"><a name="l00084"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a1eaa44800dea5cb207040e20a110cfb5"> 84</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a1eaa44800dea5cb207040e20a110cfb5">mEncoding</a>;</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div> <div class="line"><a name="l00086"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a2b6f555cca56f3520f63c521939d0d74"> 86</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a2b6f555cca56f3520f63c521939d0d74">mMaxBlockSize</a>;</div> <div class="line"><a name="l00087"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#abac8b8fd0f2495f49fe09c5590120168"> 87</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#abac8b8fd0f2495f49fe09c5590120168">mAnalysisWindowSize</a>;</div> <div class="line"><a name="l00088"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a6f05fb87cf7da6b25a86011c6dc208ce"> 88</a></span>  std::vector<TInt16> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a6f05fb87cf7da6b25a86011c6dc208ce">mBlockBuffer</a>;</div> <div class="line"><a name="l00089"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a864ceee055aea8ee253c87a53ab6e34d"> 89</a></span>  std::vector<std::deque<TData> > <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a864ceee055aea8ee253c87a53ab6e34d">mEncodeBuffer</a>;</div> <div class="line"><a name="l00090"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a0b60dc5d35805a2456a0b1d7bcdbf5c4"> 90</a></span>  std::deque<TInt16> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a0b60dc5d35805a2456a0b1d7bcdbf5c4">mDecodeBuffer</a>;</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div> <div class="line"><a name="l00092"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a31dbd91b4dc3718c24c30b7ba140c8a4"> 92</a></span>  <a class="code" href="classint.html">TSize</a> <a class="code" href="classCLAM_1_1AudioCodecs_1_1OggVorbisAudioStream.html#a31dbd91b4dc3718c24c30b7ba140c8a4">mLastBytesRead</a>;</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  };</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> }</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#endif // OggVorbisAudioStream.hxx</span></div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor"></span></div> </div><!-- fragment --></div><!-- contents --> <!-- 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