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<div class="textblock"><code>#include &lt;<a class="el" href="_o_m_x___types_8h_source.html">OMX_Types.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="_o_m_x___component_8h_source.html">OMX_Component.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="_o_m_x___core_8h_source.html">OMX_Core.h</a>&gt;</code><br />
<code>#include &quot;<a class="el" href="omx__base__component_8h_source.html">omx_base_component.h</a>&quot;</code><br />
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structomx__base__source___private_type.html">omx_base_source_PrivateType</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:a55be65baa6d28ac7be32e41acb1d3575"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="omx__base__source_8h.html#a55be65baa6d28ac7be32e41acb1d3575">OMX_BASE_SOURCE_OUTPUTPORT_INDEX</a>&#160;&#160;&#160;0</td></tr>
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<tr class="memitem:a7baef9e598051c09841407bcd11761a0"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="omx__base__source_8h.html#a7baef9e598051c09841407bcd11761a0">OMX_BASE_SOURCE_OUTPUTPORT_INDEX_1</a>&#160;&#160;&#160;1</td></tr>
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<tr class="memitem:a8541002d601d134b27fd3fdedd72911e"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="omx__base__source_8h.html#a8541002d601d134b27fd3fdedd72911e">OMX_BASE_SOURCE_ALLPORT_INDEX</a>&#160;&#160;&#160;-1</td></tr>
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<tr class="memitem:aee298246d0e2f129e9eca5923351784c"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="omx__base__source_8h.html#aee298246d0e2f129e9eca5923351784c">omx_base_source_PrivateType_FIELDS</a></td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:ae577f641798796f5647bfcb85a0d5cf0"><td class="memItemLeft" align="right" valign="top">typedef struct <br class="typebreak" />
<a class="el" href="structomx__base__source___private_type.html">omx_base_source_PrivateType</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="omx__base__source_8h.html#ae577f641798796f5647bfcb85a0d5cf0">omx_base_source_PrivateType</a></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a88b86cbcfe6dac3c0ee4b926c7bfd8ee"><td class="memItemLeft" align="right" valign="top"><a class="el" href="_o_m_x___core_8h.html#a4e2923ea92fd56f5bd9783a6dac7629a">OMX_ERRORTYPE</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="omx__base__source_8h.html#a88b86cbcfe6dac3c0ee4b926c7bfd8ee">omx_base_source_Constructor</a> (<a class="el" href="struct_o_m_x___c_o_m_p_o_n_e_n_t_t_y_p_e.html">OMX_COMPONENTTYPE</a> *openmaxStandComp, <a class="el" href="_o_m_x___types_8h.html#a35830b439b00948006e5ef824fef715f">OMX_STRING</a> cComponentName)</td></tr>
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<tr class="memitem:ae0bda98afec0d9c2d21f381954869372"><td class="memItemLeft" align="right" valign="top"><a class="el" href="_o_m_x___core_8h.html#a4e2923ea92fd56f5bd9783a6dac7629a">OMX_ERRORTYPE</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="omx__base__source_8h.html#ae0bda98afec0d9c2d21f381954869372">omx_base_source_Destructor</a> (<a class="el" href="struct_o_m_x___c_o_m_p_o_n_e_n_t_t_y_p_e.html">OMX_COMPONENTTYPE</a> *openmaxStandComp)</td></tr>
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<tr class="memitem:a0d19094fdb888620ea755e308dad59c1"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="omx__base__source_8h.html#a0d19094fdb888620ea755e308dad59c1">omx_base_source_BufferMgmtFunction</a> (void *param)</td></tr>
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<tr class="memitem:a4fe4d63021b431d30bc883acbf05118b"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="omx__base__source_8h.html#a4fe4d63021b431d30bc883acbf05118b">omx_base_source_twoport_BufferMgmtFunction</a> (void *param)</td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="a8541002d601d134b27fd3fdedd72911e"></a>
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          <td class="memname">#define OMX_BASE_SOURCE_ALLPORT_INDEX&#160;&#160;&#160;-1</td>
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<p>OMX_BASE_SOURCE_ALLPORT_INDEX as the standard specifies, the -1 value for port index is used to point to all the ports </p>

<p>Definition at line <a class="el" href="omx__base__source_8h_source.html#l00046">46</a> of file <a class="el" href="omx__base__source_8h_source.html">omx_base_source.h</a>.</p>

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          <td class="memname">#define OMX_BASE_SOURCE_OUTPUTPORT_INDEX&#160;&#160;&#160;0</td>
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<p><a class="el" href="omx__base__source_8h.html">src/base/omx_base_source.h</a></p>
<p>OpenMAX base source component. This component does not perform any multimedia processing. It derives from base component and contains a single port. It can be used as base class for source components.</p>
<p>Copyright (C) 2007-2009 STMicroelectronics Copyright (C) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).</p>
<p>This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.</p>
<p>This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.</p>
<p>You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USAOMX_BASE_SOURCE_OUTPUTPORT_INDEX is the index of any output port for the derived components </p>

<p>Definition at line <a class="el" href="omx__base__source_8h_source.html#l00038">38</a> of file <a class="el" href="omx__base__source_8h_source.html">omx_base_source.h</a>.</p>

<p>Referenced by <a class="el" href="omx__base__source_8c_source.html#l00068">omx_base_source_BufferMgmtFunction()</a>, and <a class="el" href="omx__base__source_8c_source.html#l00211">omx_base_source_twoport_BufferMgmtFunction()</a>.</p>

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<a class="anchor" id="a7baef9e598051c09841407bcd11761a0"></a>
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          <td class="memname">#define OMX_BASE_SOURCE_OUTPUTPORT_INDEX_1&#160;&#160;&#160;1</td>
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<p>OMX_BASE_SPLITTER_OUTPUTPORT_INDEX_1 is the index of any output port for the derived components </p>

<p>Definition at line <a class="el" href="omx__base__source_8h_source.html#l00042">42</a> of file <a class="el" href="omx__base__source_8h_source.html">omx_base_source.h</a>.</p>

<p>Referenced by <a class="el" href="omx__base__source_8c_source.html#l00211">omx_base_source_twoport_BufferMgmtFunction()</a>.</p>

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<a class="anchor" id="aee298246d0e2f129e9eca5923351784c"></a>
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          <td class="memname">#define omx_base_source_PrivateType_FIELDS</td>
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<b>Value:</b><div class="fragment"><div class="line"><a class="code" href="omx__base__component_8h.html#ae659a5005a04d6fdd8141cf2e203c97f">omx_base_component_PrivateType_FIELDS</a> \ \</div>
<div class="line">  void (*BufferMgmtCallback)(<a class="code" href="struct_o_m_x___c_o_m_p_o_n_e_n_t_t_y_p_e.html">OMX_COMPONENTTYPE</a>* openmaxStandComp, <a class="code" href="struct_o_m_x___b_u_f_f_e_r_h_e_a_d_e_r_t_y_p_e.html">OMX_BUFFERHEADERTYPE</a>* outputbuffer);</div>
<div class="ttc" id="struct_o_m_x___b_u_f_f_e_r_h_e_a_d_e_r_t_y_p_e_html"><div class="ttname"><a href="struct_o_m_x___b_u_f_f_e_r_h_e_a_d_e_r_t_y_p_e.html">OMX_BUFFERHEADERTYPE</a></div><div class="ttdef"><b>Definition:</b> <a href="_o_m_x___core_8h_source.html#l00398">OMX_Core.h:398</a></div></div>
<div class="ttc" id="omx__base__component_8h_html_ae659a5005a04d6fdd8141cf2e203c97f"><div class="ttname"><a href="omx__base__component_8h.html#ae659a5005a04d6fdd8141cf2e203c97f">omx_base_component_PrivateType_FIELDS</a></div><div class="ttdeci">#define omx_base_component_PrivateType_FIELDS</div><div class="ttdef"><b>Definition:</b> <a href="omx__base__component_8h_source.html#l00123">omx_base_component.h:123</a></div></div>
<div class="ttc" id="struct_o_m_x___c_o_m_p_o_n_e_n_t_t_y_p_e_html"><div class="ttname"><a href="struct_o_m_x___c_o_m_p_o_n_e_n_t_t_y_p_e.html">OMX_COMPONENTTYPE</a></div><div class="ttdef"><b>Definition:</b> <a href="_o_m_x___component_8h_source.html#l00307">OMX_Component.h:307</a></div></div>
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<p>Definition at line <a class="el" href="omx__base__source_8h_source.html#l00051">51</a> of file <a class="el" href="omx__base__source_8h_source.html">omx_base_source.h</a>.</p>

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<h2 class="groupheader">Typedef Documentation</h2>
<a class="anchor" id="ae577f641798796f5647bfcb85a0d5cf0"></a>
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          <td class="memname">typedef struct <a class="el" href="structomx__base__source___private_type.html">omx_base_source_PrivateType</a> <a class="el" href="structomx__base__source___private_type.html">omx_base_source_PrivateType</a></td>
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<p>base source component private structure. </p>

<p>Definition at line <a class="el" href="omx__base__source_8h_source.html#l00050">50</a> of file <a class="el" href="omx__base__source_8h_source.html">omx_base_source.h</a>.</p>

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<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a0d19094fdb888620ea755e308dad59c1"></a>
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          <td class="memname">void* omx_base_source_BufferMgmtFunction </td>
          <td>(</td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>param</em></td><td>)</td>
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<p>This is the central function for component processing. It is executed in a separate thread, is synchronized with semaphores at each port, those are released each time a new buffer is available on the given port. </p>

<p>Definition at line <a class="el" href="omx__base__source_8c_source.html#l00068">68</a> of file <a class="el" href="omx__base__source_8c_source.html">omx_base_source.c</a>.</p>

<p>References <a class="el" href="omx__base__component_8h_source.html#l00164">omx_base_component_PrivateType::callbackData</a>, <a class="el" href="omx__base__component_8h_source.html#l00164">omx_base_component_PrivateType::callbacks</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00039">DEB_LEV_ERR</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00054">DEB_LEV_FULL_SEQ</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00059">DEB_LEV_FUNCTION_NAME</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00048">DEB_LEV_SIMPLE_SEQ</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00077">DEBUG</a>, <a class="el" href="queue_8c_source.html#l00122">dequeue()</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00530">OMX_CALLBACKTYPE::EventHandler</a>, <a class="el" href="omx__base__source_8h_source.html#l00038">OMX_BASE_SOURCE_OUTPUTPORT_INDEX</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00299">OMX_BUFFERFLAG_EOS</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00485">OMX_EventBufferFlag</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00483">OMX_EventMark</a>, <a class="el" href="_o_m_x___types_8h_source.html#l00190">OMX_FALSE</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00105">OMX_StateExecuting</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00102">OMX_StateIdle</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00094">OMX_StateInvalid</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00097">OMX_StateLoaded</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00107">OMX_StatePause</a>, <a class="el" href="omx__base__component_8h_source.html#l00088">OMX_TransStateLoadedToIdle</a>, <a class="el" href="_o_m_x___types_8h_source.html#l00191">OMX_TRUE</a>, <a class="el" href="omx__base__port_8h_source.html#l00142">omx_base_PortType::pBufferQueue</a>, <a class="el" href="omx__base__port_8h_source.html#l00142">omx_base_PortType::pBufferSem</a>, <a class="el" href="_o_m_x___component_8h_source.html#l00326">OMX_COMPONENTTYPE::pComponentPrivate</a>, <a class="el" href="omx__base__port_8h_source.html#l00039">PORT_IS_BEING_FLUSHED</a>, <a class="el" href="omx__base__port_8h_source.html#l00142">omx_base_PortType::ReturnBufferFunction</a>, <a class="el" href="omx__base__component_8h_source.html#l00164">omx_base_component_PrivateType::state</a>, <a class="el" href="omx__base__component_8h_source.html#l00164">omx_base_component_PrivateType::transientState</a>, <a class="el" href="tsemaphore_8c_source.html#l00097">tsem_down()</a>, <a class="el" href="tsemaphore_8c_source.html#l00110">tsem_up()</a>, and <a class="el" href="tsemaphore_8c_source.html#l00131">tsem_wait()</a>.</p>

<p>Referenced by <a class="el" href="omx__base__source_8c_source.html#l00032">omx_base_source_Constructor()</a>.</p>

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          <td class="memname"><a class="el" href="_o_m_x___core_8h.html#a4e2923ea92fd56f5bd9783a6dac7629a">OMX_ERRORTYPE</a> omx_base_source_Constructor </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct_o_m_x___c_o_m_p_o_n_e_n_t_t_y_p_e.html">OMX_COMPONENTTYPE</a> *&#160;</td>
          <td class="paramname"><em>openmaxStandComp</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="_o_m_x___types_8h.html#a35830b439b00948006e5ef824fef715f">OMX_STRING</a>&#160;</td>
          <td class="paramname"><em>cComponentName</em>&#160;</td>
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          <td>)</td>
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<p>Base source contructor</p>
<p><a class="el" href="omx__base__source_8c.html">src/base/omx_base_source.c</a></p>
<p>OpenMAX base source component. This component does not perform any multimedia processing. It derives from base component and contains a single output port. This class can also be used for a two port source component It can be used as base class for source components.</p>
<p>Copyright (C) 2007-2009 STMicroelectronics Copyright (C) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).</p>
<p>This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.</p>
<p>This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.</p>
<p>You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA </p>

<p>Definition at line <a class="el" href="omx__base__source_8c_source.html#l00032">32</a> of file <a class="el" href="omx__base__source_8c_source.html">omx_base_source.c</a>.</p>

<p>References <a class="el" href="omx__base__source_8h_source.html#l00054">omx_base_source_PrivateType::BufferMgmtFunction</a>, <a class="el" href="omxvolcontroltest_8c_source.html#l00034">err</a>, <a class="el" href="omx__base__component_8c_source.html#l00095">omx_base_component_Constructor()</a>, <a class="el" href="omx__base__source_8c_source.html#l00068">omx_base_source_BufferMgmtFunction()</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00131">OMX_ErrorInsufficientResources</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00128">OMX_ErrorNone</a>, and <a class="el" href="_o_m_x___component_8h_source.html#l00326">OMX_COMPONENTTYPE::pComponentPrivate</a>.</p>

<p>Referenced by <a class="el" href="omx__clocksrc__component_8c_source.html#l00035">omx_clocksrc_component_Constructor()</a>.</p>

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          <td class="memname"><a class="el" href="_o_m_x___core_8h.html#a4e2923ea92fd56f5bd9783a6dac7629a">OMX_ERRORTYPE</a> omx_base_source_Destructor </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct_o_m_x___c_o_m_p_o_n_e_n_t_t_y_p_e.html">OMX_COMPONENTTYPE</a> *&#160;</td>
          <td class="paramname"><em>openmaxStandComp</em></td><td>)</td>
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<p>The base source destructor. It simply calls the base destructor </p>

<p>Definition at line <a class="el" href="omx__base__source_8c_source.html#l00058">58</a> of file <a class="el" href="omx__base__source_8c_source.html">omx_base_source.c</a>.</p>

<p>References <a class="el" href="omx__base__component_8c_source.html#l00271">omx_base_component_Destructor()</a>.</p>

<p>Referenced by <a class="el" href="omx__clocksrc__component_8c_source.html#l00121">omx_clocksrc_component_Destructor()</a>.</p>

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          <td class="memname">void* omx_base_source_twoport_BufferMgmtFunction </td>
          <td>(</td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>param</em></td><td>)</td>
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<p>This is the central function for buffer processing of a two port source component. It is executed in a separate thread, is synchronized with semaphores at each port, those are released each time a new buffer is available on the given port. </p>

<p>Definition at line <a class="el" href="omx__base__source_8c_source.html#l00211">211</a> of file <a class="el" href="omx__base__source_8c_source.html">omx_base_source.c</a>.</p>

<p>References <a class="el" href="omx__base__component_8h_source.html#l00164">omx_base_component_PrivateType::bStateSem</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00039">DEB_LEV_ERR</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00054">DEB_LEV_FULL_SEQ</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00059">DEB_LEV_FUNCTION_NAME</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00048">DEB_LEV_SIMPLE_SEQ</a>, <a class="el" href="omx__comp__debug__levels_8h_source.html#l00077">DEBUG</a>, <a class="el" href="queue_8c_source.html#l00122">dequeue()</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00417">OMX_BUFFERHEADERTYPE::hMarkTargetComponent</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00405">OMX_BUFFERHEADERTYPE::nFilledLen</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00438">OMX_BUFFERHEADERTYPE::nFlags</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00474">OMX_PORT_PARAM_TYPE::nPorts</a>, <a class="el" href="omx__base__source_8h_source.html#l00038">OMX_BASE_SOURCE_OUTPUTPORT_INDEX</a>, <a class="el" href="omx__base__source_8h_source.html#l00042">OMX_BASE_SOURCE_OUTPUTPORT_INDEX_1</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00299">OMX_BUFFERFLAG_EOS</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00485">OMX_EventBufferFlag</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00483">OMX_EventMark</a>, <a class="el" href="_o_m_x___types_8h_source.html#l00190">OMX_FALSE</a>, <a class="el" href="_o_m_x___component_8h_source.html#l00051">OMX_PortDomainAudio</a>, <a class="el" href="_o_m_x___component_8h_source.html#l00053">OMX_PortDomainImage</a>, <a class="el" href="_o_m_x___component_8h_source.html#l00054">OMX_PortDomainOther</a>, <a class="el" href="_o_m_x___component_8h_source.html#l00052">OMX_PortDomainVideo</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00105">OMX_StateExecuting</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00102">OMX_StateIdle</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00094">OMX_StateInvalid</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00097">OMX_StateLoaded</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00107">OMX_StatePause</a>, <a class="el" href="omx__base__component_8h_source.html#l00088">OMX_TransStateLoadedToIdle</a>, <a class="el" href="_o_m_x___types_8h_source.html#l00191">OMX_TRUE</a>, <a class="el" href="omx__base__port_8h_source.html#l00142">omx_base_PortType::pBufferQueue</a>, <a class="el" href="omx__base__port_8h_source.html#l00142">omx_base_PortType::pBufferSem</a>, <a class="el" href="_o_m_x___component_8h_source.html#l00326">OMX_COMPONENTTYPE::pComponentPrivate</a>, <a class="el" href="_o_m_x___core_8h_source.html#l00419">OMX_BUFFERHEADERTYPE::pMarkData</a>, <a class="el" href="omx__base__port_8h_source.html#l00039">PORT_IS_BEING_FLUSHED</a>, <a class="el" href="omx__base__port_8h_source.html#l00142">omx_base_PortType::ReturnBufferFunction</a>, <a class="el" href="omx__base__component_8h_source.html#l00164">omx_base_component_PrivateType::sPortTypesParam</a>, <a class="el" href="tsemaphore_8c_source.html#l00097">tsem_down()</a>, <a class="el" href="tsemaphore_8c_source.html#l00110">tsem_up()</a>, and <a class="el" href="tsemaphore_8c_source.html#l00131">tsem_wait()</a>.</p>

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