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<li class="navelem"><a class="el" href="../../d8/daf/namespaceshaka.html">shaka</a></li><li class="navelem"><b>media</b></li><li class="navelem"><a class="el" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html">AACAudioSpecificConfig</a></li> </ul>
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<a href="../../db/d84/classshaka_1_1media_1_1AACAudioSpecificConfig-members.html">List of all members</a> </div>
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<div class="title">shaka::media::AACAudioSpecificConfig Class Reference</div> </div>
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<p><code>#include <<a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html">aac_audio_specific_config.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a6b3deca725a42113bf7303387ab74f0f"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html#a6b3deca725a42113bf7303387ab74f0f">Parse</a> (const std::vector< uint8_t > &data)</td></tr>
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<tr class="separator:a6b3deca725a42113bf7303387ab74f0f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af0ab71e8365a6a93c63badc3150fdacd"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html#af0ab71e8365a6a93c63badc3150fdacd">ConvertToADTS</a> (std::vector< uint8_t > *buffer) const </td></tr>
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<tr class="separator:af0ab71e8365a6a93c63badc3150fdacd"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1e34ba8152e2c09452edcdd7e5eb1bcd"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html#a1e34ba8152e2c09452edcdd7e5eb1bcd">GetOutputSamplesPerSecond</a> (bool sbr_in_mimetype) const </td></tr>
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<tr class="separator:a1e34ba8152e2c09452edcdd7e5eb1bcd"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a2bacb4e7337248bca9e678268e3db491"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html#a2bacb4e7337248bca9e678268e3db491">GetNumChannels</a> (bool sbr_in_mimetype) const </td></tr>
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<tr class="separator:a2bacb4e7337248bca9e678268e3db491"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8c89c8845d90d292fad38f8caf378a63"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html#a8c89c8845d90d292fad38f8caf378a63">audio_object_type</a> () const </td></tr>
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<tr class="separator:a8c89c8845d90d292fad38f8caf378a63"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a10f2acc7fcf3ec9de2fe3598c255786d"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html#a10f2acc7fcf3ec9de2fe3598c255786d">frequency</a> () const </td></tr>
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<tr class="memitem:a95cff00eb36af9b9932a80fd64e24eae"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html#a95cff00eb36af9b9932a80fd64e24eae">num_channels</a> () const </td></tr>
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<tr class="separator:a95cff00eb36af9b9932a80fd64e24eae"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
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Static Public Attributes</h2></td></tr>
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<tr class="memitem:a233ffcb063079b9ca34863c48d4a19e1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a233ffcb063079b9ca34863c48d4a19e1"></a>
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static const size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html#a233ffcb063079b9ca34863c48d4a19e1">kADTSHeaderSize</a> = 7</td></tr>
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<tr class="memdesc:a233ffcb063079b9ca34863c48d4a19e1"><td class="mdescLeft"> </td><td class="mdescRight">Size in bytes of the ADTS header added by ConvertEsdsToADTS(). <br/></td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>This class parses the AAC information from decoder specific information embedded in the <b>esds</b> box in an ISO BMFF file. Please refer to ISO 14496 Part 3 Table 1.13 - Syntax of AudioSpecificConfig for more details. </p>
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<p>Definition at line <a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html#l00023">23</a> of file <a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html">aac_audio_specific_config.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">uint8_t shaka::media::AACAudioSpecificConfig::audio_object_type </td>
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<td>(</td>
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<dl class="section return"><dt>Returns</dt><dd>The audio object type for this AAC config. </dd></dl>
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<p>Definition at line <a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html#l00054">54</a> of file <a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html">aac_audio_specific_config.h</a>.</p>
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<td class="memname">bool shaka::media::AACAudioSpecificConfig::ConvertToADTS </td>
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<td>(</td>
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<td class="paramtype">std::vector< uint8_t > * </td>
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<td class="paramname"><em>buffer</em></td><td>)</td>
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<td> const</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Convert a raw AAC frame into an AAC frame with an ADTS header. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in,out]</td><td class="paramname">buffer</td><td>contains the raw AAC frame on input, and the converted frame on output if successful; it is untouched on failure. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
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<p>Definition at line <a class="el" href="../../d9/ded/aac__audio__specific__config_8cc_source.html#l00128">128</a> of file <a class="el" href="../../d9/ded/aac__audio__specific__config_8cc_source.html">aac_audio_specific_config.cc</a>.</p>
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<td class="memname">uint32_t shaka::media::AACAudioSpecificConfig::frequency </td>
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<dl class="section return"><dt>Returns</dt><dd>The sampling frequency for this AAC config. </dd></dl>
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<p>Definition at line <a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html#l00057">57</a> of file <a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html">aac_audio_specific_config.h</a>.</p>
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<td class="memname">uint8_t shaka::media::AACAudioSpecificConfig::GetNumChannels </td>
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<td>(</td>
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<td class="paramtype">bool </td>
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<td class="paramname"><em>sbr_in_mimetype</em></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">sbr_in_mimetype</td><td>indicates whether SBR mode is specified in the mimetype, i.e. codecs parameter contains mp4a.40.5. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Number of channels for the AAC stream. </dd></dl>
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<p>Definition at line <a class="el" href="../../d9/ded/aac__audio__specific__config_8cc_source.html#l00168">168</a> of file <a class="el" href="../../d9/ded/aac__audio__specific__config_8cc_source.html">aac_audio_specific_config.cc</a>.</p>
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<td class="memname">uint32_t shaka::media::AACAudioSpecificConfig::GetOutputSamplesPerSecond </td>
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<td class="paramname"><em>sbr_in_mimetype</em></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">sbr_in_mimetype</td><td>indicates whether SBR mode is specified in the mimetype, i.e. codecs parameter contains mp4a.40.5. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Output sample rate for the AAC stream. </dd></dl>
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<p>Definition at line <a class="el" href="../../d9/ded/aac__audio__specific__config_8cc_source.html#l00153">153</a> of file <a class="el" href="../../d9/ded/aac__audio__specific__config_8cc_source.html">aac_audio_specific_config.cc</a>.</p>
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<td class="memname">uint8_t shaka::media::AACAudioSpecificConfig::num_channels </td>
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<dl class="section return"><dt>Returns</dt><dd>Number of channels for this AAC config. </dd></dl>
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<p>Definition at line <a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html#l00060">60</a> of file <a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html">aac_audio_specific_config.h</a>.</p>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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</tr>
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</div><div class="memdoc">
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<p>Parse the AAC config from decoder specific information embedded in an <b>esds</b> box. The function will parse the data and get the ElementaryStreamDescriptor, then it will parse the ElementaryStreamDescriptor to get audio stream configurations. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">data</td><td>contains decoder specific information from an <b>esds</b> box. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>true if successful, false otherwise. </dd></dl>
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<p>Definition at line <a class="el" href="../../d9/ded/aac__audio__specific__config_8cc_source.html#l00039">39</a> of file <a class="el" href="../../d9/ded/aac__audio__specific__config_8cc_source.html">aac_audio_specific_config.cc</a>.</p>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>media/codecs/<a class="el" href="../../d2/d7e/aac__audio__specific__config_8h_source.html">aac_audio_specific_config.h</a></li>
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<li>media/codecs/<a class="el" href="../../d9/ded/aac__audio__specific__config_8cc_source.html">aac_audio_specific_config.cc</a></li>
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</ul>
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</a> 1.8.6
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