diff options
| author | Guenter Geiger <ggeiger@users.sourceforge.net> | 2003-05-09 16:04:00 +0000 |
|---|---|---|
| committer | Guenter Geiger <ggeiger@users.sourceforge.net> | 2003-05-09 16:04:00 +0000 |
| commit | 9c0e19a3be2288db79e2502e5fa450c3e20a668d (patch) | |
| tree | ca97ce615e037a533304fc4660dcf372ca3b9cd6 /pd/portaudio/docs/releases.html | |
| parent | ef50dd62804d54af7da18d8bd8413c0dccd729b8 (diff) | |
This commit was generated by cvs2svn to compensate for changes in r610,
which included commits to RCS files with non-trunk default branches.
svn path=/trunk/; revision=611
Diffstat (limited to 'pd/portaudio/docs/releases.html')
| -rw-r--r-- | pd/portaudio/docs/releases.html | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/pd/portaudio/docs/releases.html b/pd/portaudio/docs/releases.html new file mode 100644 index 00000000..aec80a1c --- /dev/null +++ b/pd/portaudio/docs/releases.html @@ -0,0 +1,339 @@ +<!doctype html public "-//w3c//dtd html 4.0 transitional//en"> +<html> +<head> + <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> + <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 Release Notes</title> +</head> +<body> + +<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" > +<tr> +<td> +<center> +<h1> +PortAudio - Release Notes</h1></center> +</td> +</tr> +</table></center> + +<p>Link to <a href="http://www.portaudio.com">PortAudio Home Page</a> +<h2> +<b>V18 - 5/6/02</b></h2> + +<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 +*.c</tt></blockquote> + +<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> + +<h2> +<b>V17 - 10/15/01</b></h2> + +<blockquote><b>Unix OSS</b> +<ul> +<li> +Set num channels back to two after device query for ALSA. This fixed a +bug in V16 that sometimes caused a failure when querying for the sample +rates. Thanks Stweart Greenhill.</li> +</ul> +</blockquote> + +<blockquote> +<h4> +<b>Macintosh Sound Manager</b></h4> + +<ul> +<li> +Use NewSndCallBackUPP() for CARBON compatibility.</li> +</ul> +</blockquote> + +<h2> +<b>V16 - 9/27/01</b></h2> + +<blockquote><b>Added Alpha implementations for ASIO, SGI, and BeOS!</b> +<br> +<li> +CPULoad is now calculated based on the time spent to generate a known number +of frames. This is more accurate than a simple percentage of real-time. +Implemented in pa_unix_oss, pa_win_wmme and pa_win_ds.</li> + +<li> +Fix dither and shift for recording PaUInt8 format data.</li> + +<li> +Added "patest_maxsines.c" which tests <tt>Pa_GetCPULoad().</tt></li> +</blockquote> + +<blockquote> +<h4> +Windows WMME</h4> + +<ul> +<li> +sDevicePtrs now allocated using <tt>GlobalAlloc()</tt>. This prevents a +crash in Pa_Terminate() on Win2000. Thanks Mike Berry for finding this. +Thanks Mike Berry.</li> + +<li> +Pass process instead of thread to <tt>SetPriorityClass</tt>(). This fixes +a bug that caused the priority to not be increased. Thanks to Alberto di +Bene for spotting this.</li> +</ul> + +<h4> +Windows DirectSound</h4> + +<ul> +<li> +Casts for compiling with __MWERKS__ CodeWarrior.</li> +</ul> + +<h4> +UNIX OSS</h4> + +<ul> +<li> +Derived from Linux OSS implementation.</li> + +<li> +Numerous patches from Heiko Purnhagen, Stephen Brandon, etc.</li> + +<li> +Improved query mechanism which often bailed out unnecessarily.</li> + +<li> +Removed sNumDevices and potential related bugs,</li> + +<li> +Use <tt>getenv("PA_MIN_LATENCY_MSEC")</tt> in code to set desired latency. +User can set by entering:</li> + +<br> <tt>export PA_MIN_LATENCY_MSEC=40</tt></ul> + +<h4> +Macintosh Sound Manager</h4> + +<ul> +<li> +Pass unused event to WaitNextEvent instead of NULL to prevent Mac OSX crash. +Thanks Dominic Mazzoni.</li> + +<li> +Use requested number of input channels.</li> + +<br> </ul> +</blockquote> + +<h2> +<b>V15 - 5/29/01</b></h2> + +<blockquote> +<ul> +<li> +<b>New Linux OSS Beta</b></li> +</ul> + +<h4> +Windows WMME</h4> + +<ul> +<li> + sDevicePtrs now allocated based on sizeof(pointer). Was allocating +too much space.</li> + +<li> + Check for excessive numbers of channels. Some drivers reported bogus +numbers.</li> + +<li> +Apply Mike Berry's changes for CodeWarrior on PC including condition including +of memory.h, and explicit typecasting on memory allocation.</li> +</ul> + +<h4> +Macintosh Sound Manager</h4> + +<ul> +<li> +ScanInputDevices was setting sDefaultOutputDeviceID instead of sDefaultInputDeviceID.</li> + +<li> +Device Scan was crashing for anything other than siBadSoundInDevice, but +some Macs may return other errors! Caused failure to init on some G4s under +OS9.</li> + +<li> +Fix TIMEOUT in record mode.</li> + +<li> +Change CARBON_COMPATIBLE to TARGET_API_MAC_CARBON</li> +</ul> +</blockquote> + +<h2> +<b>V14 - 2/6/01</b></h2> + +<blockquote> +<ul> +<li> +Added implementation for Windows MultiMedia Extensions (WMME) by Ross and +Phil</li> + +<li> +Changed Pa_StopStream() so that it waits for the buffers to drain.</li> + +<li> +Added Pa_AbortStream() that stops immediately without waiting.</li> + +<li> +Added new test: patest_stop.c to test above two mods.</li> + +<li> +Fixed Pa_StreamTime() so that it returns current play position instead +of the write position. Added "patest_sync.c" to demo audio/video sync.</li> + +<li> +Improved stability of Macintosh implementation. Added timeouts to prevent +hangs.</li> + +<li> +Added Pa_GetSampleSize( PaSampleFormat format );</li> + +<li> +Changes some "int"s to "long"s so that PA works properly on Macintosh which +often compiles using 16 bit ints.</li> + +<li> +Added Implementation Guide</li> +</ul> +</blockquote> + +<h2> +<b>V12 - 1/9/01</b></h2> + +<blockquote> +<ul> +<li> +Mac now scans for and queries all devices. But it does not yet support +selecting any other than the default device.</li> + +<li> +Blocking I/O calls renamed to separate them from the PortAudio API.</li> + +<li> +Cleaned up indentation problems with tabs versus spaces.</li> + +<li> +Now attempts to correct bogus sample rate info returned from DirectSound +device queries.</li> +</ul> +</blockquote> + +</body> +</html> |