sound_8h-source.html

pwlib开发文档

00467 
<a name="l00469"></a><a class="code" href="classPSoundChannel.html#z391_3">00469</a>     <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <a class="code" href="classPSoundChannel.html#z391_3">GetSampleRate</a>()<span class="keyword"> const</span>
00470 <span class="keyword">    </span>{ <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? 0 : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z391_3">GetSampleRate</a>(); }
00471 
<a name="l00473"></a><a class="code" href="classPSoundChannel.html#z391_4">00473</a>     <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <a class="code" href="classPSoundChannel.html#z391_4">GetSampleSize</a>()<span class="keyword"> const </span>
00474 <span class="keyword">    </span>{ <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? 0 : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z391_4">GetSampleSize</a>(); }
00475 
<a name="l00484"></a><a class="code" href="classPSoundChannel.html#z391_5">00484</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z391_5">SetBuffers</a>(
00485       PINDEX size,      
00486       PINDEX count = 2  
00487     )
00488     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z391_5">SetBuffers</a>(size, count); }
00489 
<a name="l00495"></a><a class="code" href="classPSoundChannel.html#z391_6">00495</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z391_6">GetBuffers</a>(
00496       PINDEX &amp; size,    <span class="comment">// Size of each buffer</span>
00497       PINDEX &amp; count    <span class="comment">// Number of buffers</span>
00498     )
00499     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z391_6">GetBuffers</a>(size, count); }
00500 
00501     <span class="keyword">enum</span> {
00502       <a class="code" href="classPSoundChannel.html#z391_0s2">MaxVolume</a> = 100
00503     };
00504 
<a name="l00511"></a><a class="code" href="classPSoundChannel.html#z391_7">00511</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z391_7">SetVolume</a>(
00512       <span class="keywordtype">unsigned</span> volume   
00513     )
00514     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z391_7">SetVolume</a>(volume); }
00515 
<a name="l00522"></a><a class="code" href="classPSoundChannel.html#z391_8">00522</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z391_8">GetVolume</a>(
00523       <span class="keywordtype">unsigned</span> &amp; volume   
00524     )
00525     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z391_8">GetVolume</a>(volume); }
00527 
00530 
<a name="l00542"></a><a class="code" href="classPSoundChannel.html#z393_0">00542</a>      <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z393_0">Write</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> * buf, PINDEX len)
00543       { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z393_0">Write</a>(buf, len); }
00544 
<a name="l00545"></a><a class="code" href="classPSoundChannel.html#z393_1">00545</a>     PINDEX <a class="code" href="classPSoundChannel.html#z393_1">GetLastWriteCount</a>()<span class="keyword"> const</span>
00546 <span class="keyword">    </span>{ <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? <a class="code" href="classPChannel.html#n4">lastWriteCount</a> : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z393_1">GetLastWriteCount</a>(); }
00547 
<a name="l00564"></a><a class="code" href="classPSoundChannel.html#z393_2">00564</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z393_2">PlaySound</a>(
00565       <span class="keyword">const</span> <a class="code" href="classPSound.html">PSound</a> &amp; sound,   
00566       BOOL wait = TRUE        
00567     )
00568     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z393_2">PlaySound</a>(sound, wait); }
<a name="l00584"></a><a class="code" href="classPSoundChannel.html#z393_3">00584</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z393_3">PlayFile</a>(
00585       <span class="keyword">const</span> <a class="code" href="classPFilePath.html">PFilePath</a> &amp; file, 
00586       BOOL wait = TRUE        
00587     )
00588     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z393_3">PlayFile</a>(file, wait); }
00589 
<a name="l00596"></a><a class="code" href="classPSoundChannel.html#z393_4">00596</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z393_4">HasPlayCompleted</a>()
00597     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z393_4">HasPlayCompleted</a>(); }
00598 
<a name="l00605"></a><a class="code" href="classPSoundChannel.html#z393_5">00605</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z393_5">WaitForPlayCompletion</a>() 
00606     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z393_5">WaitForPlayCompletion</a>(); }
00607 
00609 
<a name="l00624"></a><a class="code" href="classPSoundChannel.html#z395_0">00624</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z395_0">Read</a>(
00625       <span class="keywordtype">void</span> * buf,   
00626       PINDEX len    
00627     )
00628     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z395_0">Read</a>(buf, len); }
00629 
<a name="l00630"></a><a class="code" href="classPSoundChannel.html#z395_1">00630</a>     PINDEX <a class="code" href="classPSoundChannel.html#z395_1">GetLastReadCount</a>()<span class="keyword"> const</span>
00631 <span class="keyword">    </span>{ <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? <a class="code" href="classPChannel.html#n3">lastReadCount</a> : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z395_1">GetLastReadCount</a>(); }
00632 
<a name="l00650"></a><a class="code" href="classPSoundChannel.html#z395_2">00650</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z395_2">RecordSound</a>(
00651       <a class="code" href="classPSound.html">PSound</a> &amp; sound 
00652     )
00653     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z395_2">RecordSound</a>(sound); }
00654 
<a name="l00667"></a><a class="code" href="classPSoundChannel.html#z395_3">00667</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z395_3">RecordFile</a>(
00668       <span class="keyword">const</span> <a class="code" href="classPFilePath.html">PFilePath</a> &amp; file 
00669     )
00670     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z395_3">RecordFile</a>(file); }
00671 
<a name="l00678"></a><a class="code" href="classPSoundChannel.html#z395_4">00678</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z395_4">StartRecording</a>()
00679     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z395_4">StartRecording</a>(); }
00680 
<a name="l00688"></a><a class="code" href="classPSoundChannel.html#z395_5">00688</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z395_5">IsRecordBufferFull</a>() 
00689     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z395_5">IsRecordBufferFull</a>(); }
00690 
<a name="l00699"></a><a class="code" href="classPSoundChannel.html#z395_6">00699</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z395_6">AreAllRecordBuffersFull</a>() 
00700     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z395_6">AreAllRecordBuffersFull</a>(); }
00701 
<a name="l00709"></a><a class="code" href="classPSoundChannel.html#z395_7">00709</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z395_7">WaitForRecordBufferFull</a>() 
00710     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z395_7">WaitForRecordBufferFull</a>() ; }
00711 
<a name="l00720"></a><a class="code" href="classPSoundChannel.html#z395_8">00720</a>     <span class="keyword">virtual</span> BOOL <a class="code" href="classPSoundChannel.html#z395_8">WaitForAllRecordBuffersFull</a>() 
00721     { <span class="keywordflow">return</span> (<a class="code" href="classPSoundChannel.html#n0">baseChannel</a> == NULL) ? FALSE : <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>-&gt;<a class="code" href="classPSoundChannel.html#z395_8">WaitForAllRecordBuffersFull</a>() ; }
00723 
00724   <span class="keyword">protected</span>:
<a name="l00725"></a><a class="code" href="classPSoundChannel.html#n0">00725</a>     <a class="code" href="classPSoundChannel.html">PSoundChannel</a> * <a class="code" href="classPSoundChannel.html#n0">baseChannel</a>;
00726 };
00727 
00728 
00730 
00731 <span class="comment">// define the sound plugin service descriptor</span>
00732 
<a name="l00733"></a><a class="code" href="classPSoundChannelPluginServiceDescriptor.html">00733</a> <span class="keyword">class </span><a class="code" href="classPSoundChannelPluginServiceDescriptor.html">PSoundChannelPluginServiceDescriptor</a> : <span class="keyword">public</span> <a class="code" href="classPPluginServiceDescriptor.html">PPluginServiceDescriptor</a> 
00734 {
00735   <span class="keyword">public</span>:
<a name="l00736"></a><a class="code" href="classPSoundChannelPluginServiceDescriptor.html#a0">00736</a>     <a class="code" href="classPSoundChannelPluginServiceDescriptor.html#a0">PSoundChannelPluginServiceDescriptor</a>(
00737                      <span class="keywordtype">unsigned</span> (*_GetVersion)(),
00738                <a class="code" href="classPSoundChannel.html">PSoundChannel</a> *(*_CreateInstance)(),
00739                  <a class="code" href="classPStringArray.html">PStringArray</a> (*_GetDeviceNames)(<a class="code" href="classPSoundChannel.html#z387_0">PSoundChannel::Directions</a>)
00740      )
00741     : <a class="code" href="classPPluginServiceDescriptor.html">PPluginServiceDescriptor</a>(_GetVersion),
00742       <a class="code" href="classPSoundChannelPluginServiceDescriptor.html#m0">CreateInstance</a>(_CreateInstance),
00743       <a class="code" href="classPSoundChannelPluginServiceDescriptor.html#m1">GetDeviceNames</a>(_GetDeviceNames)
00744     { }
00745 
00746     <a class="code" href="classPSoundChannel.html">PSoundChannel</a> *(*CreateInstance)();
00747     <a class="code" href="classPStringArray.html">PStringArray</a> (*<a class="code" href="classPSoundChannelPluginServiceDescriptor.html#m1">GetDeviceNames</a>) (PSoundChannel::Directions);
00748 };
00749 
00750 
<a name="l00751"></a><a class="code" href="sound_8h.html#a0">00751</a> <span class="preprocessor">#define PCREATE_SOUND_SERVICE_DESCRIPTOR(className, versionFn) \</span>
00752 <span class="preprocessor">PSoundChannel * className##_CreateInstance () \</span>
00753 <span class="preprocessor">{ \</span>
00754 <span class="preprocessor">  return new className; \</span>
00755 <span class="preprocessor">} \</span>
00756 <span class="preprocessor">\</span>
00757 <span class="preprocessor">PStringArray className##_GetDeviceNames (PSoundChannel::Directions dir) \</span>
00758 <span class="preprocessor">{ \</span>
00759 <span class="preprocessor">  return className::GetDeviceNames(dir); \</span>
00760 <span class="preprocessor">} \</span>
00761 <span class="preprocessor">\</span>
00762 <span class="preprocessor">PSoundChannelPluginServiceDescriptor className##_descriptor(\</span>
00763 <span class="preprocessor">   versionFn, \</span>
00764 <span class="preprocessor">   className##_CreateInstance, \</span>
00765 <span class="preprocessor">   className##_GetDeviceNames \</span>
00766 <span class="preprocessor">); \</span>
00767 <span class="preprocessor"></span>
<a name="l00768"></a><a class="code" href="sound_8h.html#a1">00768</a> <span class="preprocessor"></span><span class="preprocessor">#define PCREATE_SOUND_PLUGIN(name, className) \</span>
00769 <span class="preprocessor">PCREATE_PLUGIN_VERSION_FN(name, PSoundChannel) \</span>
00770 <span class="preprocessor">PCREATE_SOUND_SERVICE_DESCRIPTOR(className, PPLUGIN_VERSION_FN(name, PSoundChannel)) \</span>
00771 <span class="preprocessor">PCREATE_PLUGIN(name, PSoundChannel, &amp;className##_descriptor)</span>
00772 <span class="preprocessor"></span>
00773 <span class="preprocessor">#endif</span>
00774 <span class="preprocessor"></span>
00775 <span class="comment">// End Of File ///////////////////////////////////////////////////////////////</span>
</pre></div><hr><address style="align: right;"><small>Generated on Wed Sep 29 22:44:12 2004 for PWLib by
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