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<a href="#define-members">Defines</a> </div>
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<div class="title">Audio channel masks</div> </div>
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<p>A channel layout is a 64-bits integer with a bit set for every channel.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#gaf9c5619f74c99ea8a8606719c01fe7df">AV_CH_FRONT_LEFT</a>   0x00000001</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga394b4b2c87790178bf7b683b45320f31">AV_CH_FRONT_RIGHT</a>   0x00000002</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga88f2868b232a89fd11ad9d6c39d502a1">AV_CH_FRONT_CENTER</a>   0x00000004</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#gab19b66e345cf1f9d50ffc26c28862bcc">AV_CH_LOW_FREQUENCY</a>   0x00000008</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#gaa3cae8c6d0eaab3dc3ce178f6af81ae2">AV_CH_BACK_LEFT</a>   0x00000010</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga7a7ab3bb418bf9672dcdf6554346e5eb">AV_CH_BACK_RIGHT</a>   0x00000020</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga6c9ea2ea60044bfe844174300b237386">AV_CH_FRONT_LEFT_OF_CENTER</a>   0x00000040</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga558dc25b0ce327d2547d3cc9e4bd6a4e">AV_CH_FRONT_RIGHT_OF_CENTER</a>   0x00000080</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga68650a364e52edb62d5984dddec4f935">AV_CH_BACK_CENTER</a>   0x00000100</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga02e55f35249dfa57a2e4edfd3acfec4f">AV_CH_SIDE_LEFT</a>   0x00000200</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga947b60ab70c428ebb07c8b9c87023b39">AV_CH_SIDE_RIGHT</a>   0x00000400</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga922199ce7638a651d66a423379b4c5dc">AV_CH_TOP_CENTER</a>   0x00000800</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga352bec66d2e1bef67efe5b7f0a4207f3">AV_CH_TOP_FRONT_LEFT</a>   0x00001000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga6b558fe85e67383a5b04e56b97b145d0">AV_CH_TOP_FRONT_CENTER</a>   0x00002000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#gabce29ea1d7e2d433263b2cbf28232360">AV_CH_TOP_FRONT_RIGHT</a>   0x00004000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#gaac082f244f37f9c5d8e4f7bf96cc76dc">AV_CH_TOP_BACK_LEFT</a>   0x00008000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga439a8664c452f9782b460f61a3908451">AV_CH_TOP_BACK_CENTER</a>   0x00010000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga8fa88c3c74339f4218a3e70286fdbdaa">AV_CH_TOP_BACK_RIGHT</a>   0x00020000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#gaea8f62dcaa4774307a8fa9b52172c688">AV_CH_STEREO_LEFT</a>   0x20000000</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Stereo downmix. <a href="#gaea8f62dcaa4774307a8fa9b52172c688"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#gab68e7edb9182b1b22898b960707143c1">AV_CH_STEREO_RIGHT</a>   0x40000000</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">See AV_CH_STEREO_LEFT. <a href="#gab68e7edb9182b1b22898b960707143c1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga11e273c4872335063b5059cca52218c0">AV_CH_WIDE_LEFT</a>   0x0000000080000000ULL</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga2c7ff738c3481d2891d052f5bca55248">AV_CH_WIDE_RIGHT</a>   0x0000000100000000ULL</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#gafc04912a8294d8788e4162092df8a549">AV_CH_SURROUND_DIRECT_LEFT</a>   0x0000000200000000ULL</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga0c9137cc9fd60d15be588e2eff3cfa23">AV_CH_SURROUND_DIRECT_RIGHT</a>   0x0000000400000000ULL</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga72d2eaef6727608379ab29859f5d5ee2">AV_CH_LOW_FREQUENCY_2</a>   0x0000000800000000ULL</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__channel__masks.html#ga7ab04ac641edef25c03de0a577eab57d">AV_CH_LAYOUT_NATIVE</a>   0x8000000000000000ULL</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Channel mask value used for <a class="el" href="structAVCodecContext.html#a9c02c458deaa58cc603da038b6acab1b" title="Request decoder to use this channel layout if it can (0 for default)">AVCodecContext.request_channel_layout</a> to indicate that the user requests the channel order of the decoder output to be the native codec channel order. <a href="#ga7ab04ac641edef25c03de0a577eab57d"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<p>A channel layout is a 64-bits integer with a bit set for every channel. </p>
<p>The number of bits set must be equal to the number of channels. The value 0 means that the channel layout is not known. </p>
<dl class="note"><dt><b>Note:</b></dt><dd>this data structure is not powerful enough to handle channels combinations that have the same channel multiple times, such as dual-mono. </dd></dl>
<hr/><h2>Define Documentation</h2>
<a class="anchor" id="gaf9c5619f74c99ea8a8606719c01fe7df"></a><!-- doxytag: member="channel_layout.h::AV_CH_FRONT_LEFT" ref="gaf9c5619f74c99ea8a8606719c01fe7df" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#gaf9c5619f74c99ea8a8606719c01fe7df">AV_CH_FRONT_LEFT</a>   0x00000001</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00049">49</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
</div>
</div>
<a class="anchor" id="ga394b4b2c87790178bf7b683b45320f31"></a><!-- doxytag: member="channel_layout.h::AV_CH_FRONT_RIGHT" ref="ga394b4b2c87790178bf7b683b45320f31" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__channel__masks.html#ga394b4b2c87790178bf7b683b45320f31">AV_CH_FRONT_RIGHT</a>   0x00000002</td>
</tr>
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</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00050">50</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
</div>
</div>
<a class="anchor" id="ga88f2868b232a89fd11ad9d6c39d502a1"></a><!-- doxytag: member="channel_layout.h::AV_CH_FRONT_CENTER" ref="ga88f2868b232a89fd11ad9d6c39d502a1" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__channel__masks.html#ga88f2868b232a89fd11ad9d6c39d502a1">AV_CH_FRONT_CENTER</a>   0x00000004</td>
</tr>
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</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00051">51</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
</div>
</div>
<a class="anchor" id="gab19b66e345cf1f9d50ffc26c28862bcc"></a><!-- doxytag: member="channel_layout.h::AV_CH_LOW_FREQUENCY" ref="gab19b66e345cf1f9d50ffc26c28862bcc" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__channel__masks.html#gab19b66e345cf1f9d50ffc26c28862bcc">AV_CH_LOW_FREQUENCY</a>   0x00000008</td>
</tr>
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</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00052">52</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
</div>
</div>
<a class="anchor" id="gaa3cae8c6d0eaab3dc3ce178f6af81ae2"></a><!-- doxytag: member="channel_layout.h::AV_CH_BACK_LEFT" ref="gaa3cae8c6d0eaab3dc3ce178f6af81ae2" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__channel__masks.html#gaa3cae8c6d0eaab3dc3ce178f6af81ae2">AV_CH_BACK_LEFT</a>   0x00000010</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00053">53</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
</div>
</div>
<a class="anchor" id="ga7a7ab3bb418bf9672dcdf6554346e5eb"></a><!-- doxytag: member="channel_layout.h::AV_CH_BACK_RIGHT" ref="ga7a7ab3bb418bf9672dcdf6554346e5eb" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__channel__masks.html#ga7a7ab3bb418bf9672dcdf6554346e5eb">AV_CH_BACK_RIGHT</a>   0x00000020</td>
</tr>
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</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00054">54</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
</div>
</div>
<a class="anchor" id="ga6c9ea2ea60044bfe844174300b237386"></a><!-- doxytag: member="channel_layout.h::AV_CH_FRONT_LEFT_OF_CENTER" ref="ga6c9ea2ea60044bfe844174300b237386" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__channel__masks.html#ga6c9ea2ea60044bfe844174300b237386">AV_CH_FRONT_LEFT_OF_CENTER</a>   0x00000040</td>
</tr>
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</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00055">55</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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</div>
<a class="anchor" id="ga558dc25b0ce327d2547d3cc9e4bd6a4e"></a><!-- doxytag: member="channel_layout.h::AV_CH_FRONT_RIGHT_OF_CENTER" ref="ga558dc25b0ce327d2547d3cc9e4bd6a4e" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__channel__masks.html#ga558dc25b0ce327d2547d3cc9e4bd6a4e">AV_CH_FRONT_RIGHT_OF_CENTER</a>   0x00000080</td>
</tr>
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</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00056">56</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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</div>
<a class="anchor" id="ga68650a364e52edb62d5984dddec4f935"></a><!-- doxytag: member="channel_layout.h::AV_CH_BACK_CENTER" ref="ga68650a364e52edb62d5984dddec4f935" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__channel__masks.html#ga68650a364e52edb62d5984dddec4f935">AV_CH_BACK_CENTER</a>   0x00000100</td>
</tr>
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</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00057">57</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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</div>
<a class="anchor" id="ga02e55f35249dfa57a2e4edfd3acfec4f"></a><!-- doxytag: member="channel_layout.h::AV_CH_SIDE_LEFT" ref="ga02e55f35249dfa57a2e4edfd3acfec4f" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga02e55f35249dfa57a2e4edfd3acfec4f">AV_CH_SIDE_LEFT</a>   0x00000200</td>
</tr>
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<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00058">58</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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</div>
<a class="anchor" id="ga947b60ab70c428ebb07c8b9c87023b39"></a><!-- doxytag: member="channel_layout.h::AV_CH_SIDE_RIGHT" ref="ga947b60ab70c428ebb07c8b9c87023b39" args="" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga947b60ab70c428ebb07c8b9c87023b39">AV_CH_SIDE_RIGHT</a>   0x00000400</td>
</tr>
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</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00059">59</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="ga922199ce7638a651d66a423379b4c5dc"></a><!-- doxytag: member="channel_layout.h::AV_CH_TOP_CENTER" ref="ga922199ce7638a651d66a423379b4c5dc" args="" -->
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<table class="memname">
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga922199ce7638a651d66a423379b4c5dc">AV_CH_TOP_CENTER</a>   0x00000800</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00060">60</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="ga352bec66d2e1bef67efe5b7f0a4207f3"></a><!-- doxytag: member="channel_layout.h::AV_CH_TOP_FRONT_LEFT" ref="ga352bec66d2e1bef67efe5b7f0a4207f3" args="" -->
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<table class="memname">
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga352bec66d2e1bef67efe5b7f0a4207f3">AV_CH_TOP_FRONT_LEFT</a>   0x00001000</td>
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</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00061">61</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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</div>
<a class="anchor" id="ga6b558fe85e67383a5b04e56b97b145d0"></a><!-- doxytag: member="channel_layout.h::AV_CH_TOP_FRONT_CENTER" ref="ga6b558fe85e67383a5b04e56b97b145d0" args="" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga6b558fe85e67383a5b04e56b97b145d0">AV_CH_TOP_FRONT_CENTER</a>   0x00002000</td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00062">62</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="gabce29ea1d7e2d433263b2cbf28232360"></a><!-- doxytag: member="channel_layout.h::AV_CH_TOP_FRONT_RIGHT" ref="gabce29ea1d7e2d433263b2cbf28232360" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#gabce29ea1d7e2d433263b2cbf28232360">AV_CH_TOP_FRONT_RIGHT</a>   0x00004000</td>
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<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00063">63</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="gaac082f244f37f9c5d8e4f7bf96cc76dc"></a><!-- doxytag: member="channel_layout.h::AV_CH_TOP_BACK_LEFT" ref="gaac082f244f37f9c5d8e4f7bf96cc76dc" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#gaac082f244f37f9c5d8e4f7bf96cc76dc">AV_CH_TOP_BACK_LEFT</a>   0x00008000</td>
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<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00064">64</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="ga439a8664c452f9782b460f61a3908451"></a><!-- doxytag: member="channel_layout.h::AV_CH_TOP_BACK_CENTER" ref="ga439a8664c452f9782b460f61a3908451" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga439a8664c452f9782b460f61a3908451">AV_CH_TOP_BACK_CENTER</a>   0x00010000</td>
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<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00065">65</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="ga8fa88c3c74339f4218a3e70286fdbdaa"></a><!-- doxytag: member="channel_layout.h::AV_CH_TOP_BACK_RIGHT" ref="ga8fa88c3c74339f4218a3e70286fdbdaa" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga8fa88c3c74339f4218a3e70286fdbdaa">AV_CH_TOP_BACK_RIGHT</a>   0x00020000</td>
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<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00066">66</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="gaea8f62dcaa4774307a8fa9b52172c688"></a><!-- doxytag: member="channel_layout.h::AV_CH_STEREO_LEFT" ref="gaea8f62dcaa4774307a8fa9b52172c688" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#gaea8f62dcaa4774307a8fa9b52172c688">AV_CH_STEREO_LEFT</a>   0x20000000</td>
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<p>Stereo downmix. </p>
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00067">67</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="gab68e7edb9182b1b22898b960707143c1"></a><!-- doxytag: member="channel_layout.h::AV_CH_STEREO_RIGHT" ref="gab68e7edb9182b1b22898b960707143c1" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#gab68e7edb9182b1b22898b960707143c1">AV_CH_STEREO_RIGHT</a>   0x40000000</td>
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<p>See AV_CH_STEREO_LEFT. </p>
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00068">68</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="ga11e273c4872335063b5059cca52218c0"></a><!-- doxytag: member="channel_layout.h::AV_CH_WIDE_LEFT" ref="ga11e273c4872335063b5059cca52218c0" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga11e273c4872335063b5059cca52218c0">AV_CH_WIDE_LEFT</a>   0x0000000080000000ULL</td>
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<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00069">69</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="ga2c7ff738c3481d2891d052f5bca55248"></a><!-- doxytag: member="channel_layout.h::AV_CH_WIDE_RIGHT" ref="ga2c7ff738c3481d2891d052f5bca55248" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga2c7ff738c3481d2891d052f5bca55248">AV_CH_WIDE_RIGHT</a>   0x0000000100000000ULL</td>
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<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00070">70</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="gafc04912a8294d8788e4162092df8a549"></a><!-- doxytag: member="channel_layout.h::AV_CH_SURROUND_DIRECT_LEFT" ref="gafc04912a8294d8788e4162092df8a549" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#gafc04912a8294d8788e4162092df8a549">AV_CH_SURROUND_DIRECT_LEFT</a>   0x0000000200000000ULL</td>
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<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00071">71</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="ga0c9137cc9fd60d15be588e2eff3cfa23"></a><!-- doxytag: member="channel_layout.h::AV_CH_SURROUND_DIRECT_RIGHT" ref="ga0c9137cc9fd60d15be588e2eff3cfa23" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga0c9137cc9fd60d15be588e2eff3cfa23">AV_CH_SURROUND_DIRECT_RIGHT</a>   0x0000000400000000ULL</td>
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<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00072">72</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="ga72d2eaef6727608379ab29859f5d5ee2"></a><!-- doxytag: member="channel_layout.h::AV_CH_LOW_FREQUENCY_2" ref="ga72d2eaef6727608379ab29859f5d5ee2" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga72d2eaef6727608379ab29859f5d5ee2">AV_CH_LOW_FREQUENCY_2</a>   0x0000000800000000ULL</td>
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<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00073">73</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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<a class="anchor" id="ga7ab04ac641edef25c03de0a577eab57d"></a><!-- doxytag: member="channel_layout.h::AV_CH_LAYOUT_NATIVE" ref="ga7ab04ac641edef25c03de0a577eab57d" args="" -->
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<td class="memname">#define <a class="el" href="group__channel__masks.html#ga7ab04ac641edef25c03de0a577eab57d">AV_CH_LAYOUT_NATIVE</a>   0x8000000000000000ULL</td>
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<p>Channel mask value used for <a class="el" href="structAVCodecContext.html#a9c02c458deaa58cc603da038b6acab1b" title="Request decoder to use this channel layout if it can (0 for default)">AVCodecContext.request_channel_layout</a> to indicate that the user requests the channel order of the decoder output to be the native codec channel order. </p>
<p>Definition at line <a class="el" href="channel__layout_8h_source.html#l00078">78</a> of file <a class="el" href="channel__layout_8h_source.html">channel_layout.h</a>.</p>
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