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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.77 [en]C-gatewaynet (Win98; U) [Netscape]">
+ <meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
<meta name="Author" content="Phil Burk">
<meta name="Description" content="PortAudio is a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
<meta name="KeyWords" content="audio, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Implementations for DirectSound</title>
+ <title>PortAudio Release Notes</title>
</head>
<body>
<p>Link to <a href="http://www.portaudio.com">PortAudio Home Page</a>
<h2>
-<b>V18 - unreleased</b></h2>
+<b>V18 - 5/6/02</b></h2>
-<blockquote>Ran most of the code through <a href="http://astyle.sourceforge.net/">AStyle</a>
+<blockquote>All source code and documentation now under <a href="http://www.portaudio.com/usingcvs.html">CVS</a>.
+<p>Ran most of the code through <a href="http://astyle.sourceforge.net/">AStyle</a>
to cleanup ragged indentation caused by using different editors. Used this
command:
-<br><tt>astyle --style=ansi -c -o --convert-tabs --indent-preprocessor
+<br><tt> astyle --style=ansi -c -o --convert-tabs --indent-preprocessor
*.c</tt></blockquote>
-<blockquote><b>WMME</b>
+<blockquote>Added "pa_common/pa_convert.c" for Mac OS X. Start of new conversion
+utilities.
+<p><b>ASIO</b>
+<ul>
+<li>
+New Pa_ASIO_Adaptor_Init function to init Callback adpatation variables,</li>
+
+<li>
+Cleanup of Pa_ASIO_Callback_Input</li>
+
+<li>
+Break apart device loading to debug random failure in Pa_ASIO_QueryDeviceInfo</li>
+
+<li>
+Deallocate all resources in PaHost_Term for cases where Pa_CloseStream
+is not called properly</li>
+
+<li>
+New Pa_ASIO_loadDriver that calls CoInitialize on each thread on Windows.
+Allows use by multiple threads.</li>
+
+<li>
+Correct error code management in PaHost_Term, removed various compiler
+warning</li>
+
+<li>
+Add Mac includes for <Devices.h> and <Timer.h></li>
+
+<li>
+Pa_ASIO_QueryDeviceInfo bug correction, memory allocation checking, better
+error handling</li>
+</ul>
+<b>Mac OS X</b>
+<ul>
+<li>
+Major cleanup and improvements.</li>
+
+<li>
+Fixed device queries for numChannels and sampleRates,</li>
+
+<li>
+Audio input works if using same CoreAudio device (some HW devices make
+separate CoreAudio devices).</li>
+
+<li>
+Added paInt16, paInt8, format using new "pa_common/pa_convert.c" file.</li>
+
+<li>
+Return error if opened in mono mode cuz not supported.</li>
+
+<li>
+Check for getenv("PA_MIN_LATEWNCY_MSEC") to set latency externally.</li>
+
+<li>
+Use getrusage() instead of gettimeofday() for CPU Load calculation.</li>
+</ul>
+<b>Windows MME</b>
<ul>
<li>
Fixed bug that caused TIMEOUT in Pa_StopStream(). Added check for past_StopSoon()
in Pa_TimeSlice(). Thanks Julien Maillard.</li>
+
+<li>
+Detect Win XP versus NT, use lower latency.</li>
+
+<li>
+Fix DBUG typo;</li>
+
+<li>
+removed init of CurrentCount which was not compiling on Borland</li>
+
+<li>
+general cleanup, factored streamData alloc and cpu usage initialization</li>
+
+<li>
+stopped counting WAVE_MAPPER when there were no audio cards plugged in</li>
+</ul>
+<b>Windows DirectSound</b>
+<ul>
+<li>
+Detect Win XP and Win 2K properly when determining latency.</li>
</ul>
<b>Unix OSS</b>
<ul>
<li>
Use high real-time priority if app is running with root priveledges. Lowers
latency.</li>
+
+<li>
+Added watch dog thread that prevents real-time thread from hogging CPU
+and hanging the computer.</li>
+
+<li>
+Check error return from read() and write().</li>
+
+<li>
+Check CPU endianness instead of assuming Little Endian.</li>
</ul>
</blockquote>
projects / portaudio / commitdiff