pwavfile_8h-source.html

pwlib开发文档

<a name="l00332"></a><a class="code" href="classPWAVFile.html#z493_5">00332</a>     <a class="code" href="classPWAVFile.html#z493_5">~PWAVFile</a>() { <a class="code" href="classPWAVFile.html#z495_4">Close</a>(); }
00334 
00344     <span class="keyword">virtual</span> BOOL <a class="code" href="classPWAVFile.html#z495_0">Read</a>(
00345       <span class="keywordtype">void</span> * buf,   
00346       PINDEX len    
00347     );
00348 
00356     <span class="keyword">virtual</span> BOOL <a class="code" href="classPWAVFile.html#z495_1">Write</a>(
00357       <span class="keyword">const</span> <span class="keywordtype">void</span> * buf,   
00358       PINDEX len    
00359     );
00360 
00372     <span class="keyword">virtual</span> BOOL <a class="code" href="classPWAVFile.html#z495_2">Open</a>(
00373       <a class="code" href="classPFile.html#z125_0">OpenMode</a> mode = <a class="code" href="classPFile.html#z125_0s2">ReadWrite</a>,  <span class="comment">// Mode in which to open the file.</span>
00374       <span class="keywordtype">int</span> opts = <a class="code" href="classPFile.html#z125_1s3">ModeDefault</a>      <span class="comment">// Options for open operation.</span>
00375     );
00376 
00390     <span class="keyword">virtual</span> BOOL <a class="code" href="classPWAVFile.html#z495_2">Open</a>(
00391       <span class="keyword">const</span> <a class="code" href="classPFilePath.html">PFilePath</a> &amp; name,    <span class="comment">// Name of file to open.</span>
00392       <a class="code" href="classPFile.html#z125_0">OpenMode</a> mode = <a class="code" href="classPFile.html#z125_0s2">ReadWrite</a>, <span class="comment">// Mode in which to open the file.</span>
00393       <span class="keywordtype">int</span> opts = <a class="code" href="classPFile.html#z125_1s3">ModeDefault</a>     <span class="comment">// #OpenOptions enum# for open operation.</span>
00394     );
00395 
00401     <span class="keyword">virtual</span> BOOL <a class="code" href="classPWAVFile.html#z495_4">Close</a>();
00402 
00417     <span class="keyword">virtual</span> BOOL <a class="code" href="classPWAVFile.html#z495_5">SetPosition</a>(
00418       off_t pos,                         
00419       <a class="code" href="classPFile.html#z133_0">FilePositionOrigin</a> origin = <a class="code" href="classPFile.html#z133_0s11">Start</a>  
00420     );
00421 
00429     <span class="keyword">virtual</span> off_t <a class="code" href="classPWAVFile.html#z495_6">GetPosition</a>() <span class="keyword">const</span>;
00431 
00436     <span class="keyword">virtual</span> BOOL <a class="code" href="classPWAVFile.html#z497_0">SetFormat</a>(<span class="keywordtype">unsigned</span> fmt);
00437     <span class="keyword">virtual</span> BOOL <a class="code" href="classPWAVFile.html#z497_0">SetFormat</a>(<span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; format);
00438 
00441     <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <a class="code" href="classPWAVFile.html#z497_2">GetFormat</a>() <span class="keyword">const</span>;
00442     <span class="keyword">virtual</span> <a class="code" href="classPString.html">PString</a> <a class="code" href="classPWAVFile.html#z497_3">GetFormatAsString</a>() <span class="keyword">const</span>;
00443 
00447     <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <a class="code" href="classPWAVFile.html#z497_4">GetChannels</a>() <span class="keyword">const</span>;
00448     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classPWAVFile.html#z497_5">SetChannels</a>(<span class="keywordtype">unsigned</span> v);
00449 
00452     <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <a class="code" href="classPWAVFile.html#z497_6">GetSampleRate</a>() <span class="keyword">const</span>;
00453     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classPWAVFile.html#z497_7">SetSampleRate</a>(<span class="keywordtype">unsigned</span> v);
00454 
00457     <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <a class="code" href="classPWAVFile.html#z497_8">GetSampleSize</a>() <span class="keyword">const</span>;
00458     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classPWAVFile.html#z497_9">SetSampleSize</a>(<span class="keywordtype">unsigned</span> v);
00459 
00462     off_t <a class="code" href="classPWAVFile.html#z497_10">GetHeaderLength</a>() <span class="keyword">const</span>;
00463 
00466     <span class="keyword">virtual</span> off_t <a class="code" href="classPWAVFile.html#z497_11">GetDataLength</a>();
00467 
<a name="l00474"></a><a class="code" href="classPWAVFile.html#z497_12">00474</a>     BOOL <a class="code" href="classPWAVFile.html#z497_12">IsValid</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classPWAVFile.html#n1">isValidWAV</a>; }
00475 
<a name="l00479"></a><a class="code" href="classPWAVFile.html#z497_13">00479</a>     <a class="code" href="classPString.html">PString</a> <a class="code" href="classPWAVFile.html#z497_13">GetFormatString</a>()<span class="keyword"> const</span>
00480 <span class="keyword">    </span>{ <span class="keywordflow">if</span> (<a class="code" href="classPWAVFile.html#n2">formatHandler</a> == NULL) <span class="keywordflow">return</span> <a class="code" href="classPString.html">PString</a>(<span class="stringliteral">"N/A"</span>); <span class="keywordflow">else</span> <span class="keywordflow">return</span> <a class="code" href="classPWAVFile.html#n2">formatHandler</a>-&gt;<a class="code" href="classPWAVFileFormat.html#a0">GetFormat</a>(); }
00481 
00485     <span class="keywordtype">void</span> <a class="code" href="classPWAVFile.html#z497_14">SetAutoconvert</a>();
00486 
00488  
<a name="l00489"></a><a class="code" href="classPWAVFile.html#l0">00489</a>     <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classPWAVFileConverter.html">PWAVFileConverter</a>;
00490 
00491     BOOL <a class="code" href="classPWAVFile.html#a0">RawRead</a>(<span class="keywordtype">void</span> * buf, PINDEX len);
00492     BOOL <a class="code" href="classPWAVFile.html#a1">RawWrite</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> * buf, PINDEX len);
00493 
00494     BOOL <a class="code" href="classPWAVFile.html#a2">FileRead</a>(<span class="keywordtype">void</span> * buf, PINDEX len);
00495     BOOL <a class="code" href="classPWAVFile.html#a3">FileWrite</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> * buf, PINDEX len);
00496 
00497     off_t <a class="code" href="classPWAVFile.html#a4">RawGetPosition</a>() <span class="keyword">const</span>;
00498     BOOL <a class="code" href="classPWAVFile.html#a5">RawSetPosition</a>(off_t pos, <a class="code" href="classPFile.html#z133_0">FilePositionOrigin</a> origin);
00499     off_t <a class="code" href="classPWAVFile.html#a6">RawGetDataLength</a>();
00500 
<a name="l00501"></a><a class="code" href="classPWAVFile.html#a7">00501</a>     <span class="keywordtype">void</span> <a class="code" href="classPWAVFile.html#a7">SetLastReadCount</a>(PINDEX v) { <a class="code" href="classPChannel.html#n3">lastReadCount</a> = v; } 
00502 
<a name="l00503"></a><a class="code" href="classPWAVFile.html#m0">00503</a>     <a class="code" href="structPWAV_1_1FMTChunk.html">PWAV::FMTChunk</a> <a class="code" href="classPWAVFile.html#m0">wavFmtChunk</a>;
<a name="l00504"></a><a class="code" href="classPWAVFile.html#m1">00504</a>     <a class="code" href="classPBYTEArray.html">PBYTEArray</a> <a class="code" href="classPWAVFile.html#m1">extendedHeader</a>;
00505 
00506   <span class="keyword">protected</span>:
00507     <span class="keywordtype">void</span> <a class="code" href="classPWAVFile.html#b0">Construct</a>();
00508     <span class="keywordtype">void</span> <a class="code" href="classPWAVFile.html#b1">SelectFormat</a>(<span class="keywordtype">unsigned</span> fmt);
00509     <span class="keywordtype">void</span> <a class="code" href="classPWAVFile.html#b1">SelectFormat</a>(<span class="keyword">const</span> <a class="code" href="classPString.html">PString</a> &amp; format);
00510 
<a name="l00511"></a><a class="code" href="classPWAVFile.html#n0">00511</a>     <a class="code" href="classPBYTEArray.html">PBYTEArray</a> <a class="code" href="classPWAVFile.html#n0">wavHeaderData</a>;
00512 
00513     BOOL <a class="code" href="classPWAVFile.html#b3">ProcessHeader</a>();
00514     BOOL <a class="code" href="classPWAVFile.html#b4">GenerateHeader</a>();
00515     BOOL <a class="code" href="classPWAVFile.html#b5">UpdateHeader</a>();
00516 
<a name="l00517"></a><a class="code" href="classPWAVFile.html#n1">00517</a>     BOOL     <a class="code" href="classPWAVFile.html#n1">isValidWAV</a>;
00518 
<a name="l00519"></a><a class="code" href="classPWAVFile.html#n2">00519</a>     <a class="code" href="classPWAVFileFormat.html">PWAVFileFormat</a> * <a class="code" href="classPWAVFile.html#n2">formatHandler</a>;
00520 
<a name="l00521"></a><a class="code" href="classPWAVFile.html#n3">00521</a>     BOOL     <a class="code" href="classPWAVFile.html#n3">autoConvert</a>;
<a name="l00522"></a><a class="code" href="classPWAVFile.html#n4">00522</a>     <a class="code" href="classPWAVFileConverter.html">PWAVFileConverter</a> * <a class="code" href="classPWAVFile.html#n4">autoConverter</a>;
00523 
<a name="l00524"></a><a class="code" href="classPWAVFile.html#n5">00524</a>     off_t <a class="code" href="classPWAVFile.html#n5">lenHeader</a>;
<a name="l00525"></a><a class="code" href="classPWAVFile.html#n6">00525</a>     off_t <a class="code" href="classPWAVFile.html#n6">lenData</a>;
00526 
<a name="l00527"></a><a class="code" href="classPWAVFile.html#n7">00527</a>     BOOL     <a class="code" href="classPWAVFile.html#n7">header_needs_updating</a>;
00528 };
00529 
00530 <span class="preprocessor">#ifdef _WIN32</span>
00531 <span class="preprocessor"></span>
00532 <span class="preprocessor">#  ifndef P_DISABLE_FACTORY_INSTANCES</span>
00533 <span class="preprocessor"></span>
00534 <span class="preprocessor">#    ifndef  P_FACTORY_INSTANCE_PWAVFileConverter</span>
00535 <span class="preprocessor"></span><span class="preprocessor">#      define P_FACTORY_INSTANCE_PWAVFileConverter 1</span>
00536 <span class="preprocessor"></span><span class="preprocessor">#        pragma message("Including PWAVFileConverter factory loader")</span>
00537 <span class="preprocessor"></span>         PLOAD_FACTORY(<a class="code" href="classPWAVFileConverter.html">PWAVFileConverter</a>, <span class="keywordtype">unsigned</span>)
00538 #    endif
00539 
00540 <span class="preprocessor">#    ifndef  P_FACTORY_INSTANCE_PWAVFileFormat</span>
00541 <span class="preprocessor"></span><span class="preprocessor">#      define P_FACTORY_INSTANCE_PWAVFileFormat 1</span>
00542 <span class="preprocessor"></span><span class="preprocessor">#        pragma message("Including PWAVFileFormat factory loader")</span>
00543 <span class="preprocessor"></span>         PLOAD_FACTORY(<a class="code" href="classPWAVFileFormat.html">PWAVFileFormat</a>, <span class="keywordtype">unsigned</span>)
00544 #    endif
00545 
00546 <span class="preprocessor"># endif</span>
00547 <span class="preprocessor"></span>
00548 <span class="preprocessor">#endif</span>
00549 <span class="preprocessor"></span>
00550 
00551 <span class="preprocessor">#endif</span>
00552 <span class="preprocessor"></span>
00553 <span class="comment">// End Of File ///////////////////////////////////////////////////////////////</span>
</pre></div><hr><address style="align: right;"><small>Generated on Wed Sep 29 22:44:11 2004 for PWLib by
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