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| -rw-r--r-- | Doc/lib.tex | 1 | ||||
| -rw-r--r-- | Doc/lib/lib.tex | 1 | ||||
| -rw-r--r-- | Doc/lib/libsun.tex | 111 | ||||
| -rw-r--r-- | Doc/lib/libsunaudio.tex | 109 | ||||
| -rw-r--r-- | Doc/libsun.tex | 111 | ||||
| -rw-r--r-- | Doc/libsunaudio.tex | 109 |
6 files changed, 222 insertions, 220 deletions
diff --git a/Doc/lib.tex b/Doc/lib.tex index 0d4198b..537e48c 100644 --- a/Doc/lib.tex +++ b/Doc/lib.tex @@ -218,6 +218,7 @@ add new extensions to Python and how to embed it in other applications. %\input{libpanel} \input{libsun} % SUNOS ONLY +\input{libsunaudio} \input{libundoc} diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex index 0d4198b..537e48c 100644 --- a/Doc/lib/lib.tex +++ b/Doc/lib/lib.tex @@ -218,6 +218,7 @@ add new extensions to Python and how to embed it in other applications. %\input{libpanel} \input{libsun} % SUNOS ONLY +\input{libsunaudio} \input{libundoc} diff --git a/Doc/lib/libsun.tex b/Doc/lib/libsun.tex index 68d2c8b..25826cd 100644 --- a/Doc/lib/libsun.tex +++ b/Doc/lib/libsun.tex @@ -1,115 +1,6 @@ \chapter{SunOS Specific Services} +\label{sunos} The modules described in this chapter provide interfaces to features that are unique to the SunOS operating system (versions 4 and 5; the latter is also known as Solaris version 2). - -\section{Built-in Module \sectcode{sunaudiodev}} -\label{module-sunaudiodev} -\bimodindex{sunaudiodev} - -This module allows you to access the sun audio interface. The sun -audio hardware is capable of recording and playing back audio data -in U-LAW format with a sample rate of 8K per second. A full -description can be gotten with \samp{man audio}. - -The module defines the following variables and functions: - -\setindexsubitem{(in module sunaudiodev)} -\begin{excdesc}{error} -This exception is raised on all errors. The argument is a string -describing what went wrong. -\end{excdesc} - -\begin{funcdesc}{open}{mode} -This function opens the audio device and returns a sun audio device -object. This object can then be used to do I/O on. The \var{mode} parameter -is one of \code{'r'} for record-only access, \code{'w'} for play-only -access, \code{'rw'} for both and \code{'control'} for access to the -control device. Since only one process is allowed to have the recorder -or player open at the same time it is a good idea to open the device -only for the activity needed. See the audio manpage for details. -\end{funcdesc} - -\subsection{Audio Device Objects} - -The audio device objects are returned by \code{open} define the -following methods (except \code{control} objects which only provide -getinfo, setinfo and drain): - -\setindexsubitem{(audio device method)} - -\begin{funcdesc}{close}{} -This method explicitly closes the device. It is useful in situations -where deleting the object does not immediately close it since there -are other references to it. A closed device should not be used again. -\end{funcdesc} - -\begin{funcdesc}{drain}{} -This method waits until all pending output is processed and then returns. -Calling this method is often not necessary: destroying the object will -automatically close the audio device and this will do an implicit drain. -\end{funcdesc} - -\begin{funcdesc}{flush}{} -This method discards all pending output. It can be used avoid the -slow response to a user's stop request (due to buffering of up to one -second of sound). -\end{funcdesc} - -\begin{funcdesc}{getinfo}{} -This method retrieves status information like input and output volume, -etc. and returns it in the form of -an audio status object. This object has no methods but it contains a -number of attributes describing the current device status. The names -and meanings of the attributes are described in -\file{/usr/include/sun/audioio.h} and in the audio man page. Member names -are slightly different from their C counterparts: a status object is -only a single structure. Members of the \code{play} substructure have -\samp{o_} prepended to their name and members of the \code{record} -structure have \samp{i_}. So, the C member \code{play.sample_rate} is -accessed as \code{o_sample_rate}, \code{record.gain} as \code{i_gain} -and \code{monitor_gain} plainly as \code{monitor_gain}. -\end{funcdesc} - -\begin{funcdesc}{ibufcount}{} -This method returns the number of samples that are buffered on the -recording side, i.e. -the program will not block on a \code{read} call of so many samples. -\end{funcdesc} - -\begin{funcdesc}{obufcount}{} -This method returns the number of samples buffered on the playback -side. Unfortunately, this number cannot be used to determine a number -of samples that can be written without blocking since the kernel -output queue length seems to be variable. -\end{funcdesc} - -\begin{funcdesc}{read}{size} -This method reads \var{size} samples from the audio input and returns -them as a python string. The function blocks until enough data is available. -\end{funcdesc} - -\begin{funcdesc}{setinfo}{status} -This method sets the audio device status parameters. The \var{status} -parameter is an device status object as returned by \code{getinfo} and -possibly modified by the program. -\end{funcdesc} - -\begin{funcdesc}{write}{samples} -Write is passed a python string containing audio samples to be played. -If there is enough buffer space free it will immediately return, -otherwise it will block. -\end{funcdesc} - -There is a companion module, \code{SUNAUDIODEV}, which defines useful -symbolic constants like \code{MIN_GAIN}, \code{MAX_GAIN}, -\code{SPEAKER}, etc. The names of -the constants are the same names as used in the C include file -\file{<sun/audioio.h>}, with the leading string \samp{AUDIO_} -stripped. -\refstmodindex{SUNAUDIODEV} - -Useability of the control device is limited at the moment, since there -is no way to use the ``wait for something to happen'' feature the -device provides. diff --git a/Doc/lib/libsunaudio.tex b/Doc/lib/libsunaudio.tex new file mode 100644 index 0000000..09b87bf --- /dev/null +++ b/Doc/lib/libsunaudio.tex @@ -0,0 +1,109 @@ +\section{Built-in Module \sectcode{sunaudiodev}} +\label{module-sunaudiodev} +\bimodindex{sunaudiodev} + +This module allows you to access the sun audio interface. The sun +audio hardware is capable of recording and playing back audio data +in U-LAW format with a sample rate of 8K per second. A full +description can be gotten with \samp{man audio}. + +The module defines the following variables and functions: + +\setindexsubitem{(in module sunaudiodev)} +\begin{excdesc}{error} +This exception is raised on all errors. The argument is a string +describing what went wrong. +\end{excdesc} + +\begin{funcdesc}{open}{mode} +This function opens the audio device and returns a sun audio device +object. This object can then be used to do I/O on. The \var{mode} parameter +is one of \code{'r'} for record-only access, \code{'w'} for play-only +access, \code{'rw'} for both and \code{'control'} for access to the +control device. Since only one process is allowed to have the recorder +or player open at the same time it is a good idea to open the device +only for the activity needed. See the audio manpage for details. +\end{funcdesc} + +\subsection{Audio Device Objects} + +The audio device objects are returned by \code{open} define the +following methods (except \code{control} objects which only provide +getinfo, setinfo and drain): + +\setindexsubitem{(audio device method)} + +\begin{funcdesc}{close}{} +This method explicitly closes the device. It is useful in situations +where deleting the object does not immediately close it since there +are other references to it. A closed device should not be used again. +\end{funcdesc} + +\begin{funcdesc}{drain}{} +This method waits until all pending output is processed and then returns. +Calling this method is often not necessary: destroying the object will +automatically close the audio device and this will do an implicit drain. +\end{funcdesc} + +\begin{funcdesc}{flush}{} +This method discards all pending output. It can be used avoid the +slow response to a user's stop request (due to buffering of up to one +second of sound). +\end{funcdesc} + +\begin{funcdesc}{getinfo}{} +This method retrieves status information like input and output volume, +etc. and returns it in the form of +an audio status object. This object has no methods but it contains a +number of attributes describing the current device status. The names +and meanings of the attributes are described in +\file{/usr/include/sun/audioio.h} and in the audio man page. Member names +are slightly different from their C counterparts: a status object is +only a single structure. Members of the \code{play} substructure have +\samp{o_} prepended to their name and members of the \code{record} +structure have \samp{i_}. So, the C member \code{play.sample_rate} is +accessed as \code{o_sample_rate}, \code{record.gain} as \code{i_gain} +and \code{monitor_gain} plainly as \code{monitor_gain}. +\end{funcdesc} + +\begin{funcdesc}{ibufcount}{} +This method returns the number of samples that are buffered on the +recording side, i.e. +the program will not block on a \function{read()} call of so many samples. +\end{funcdesc} + +\begin{funcdesc}{obufcount}{} +This method returns the number of samples buffered on the playback +side. Unfortunately, this number cannot be used to determine a number +of samples that can be written without blocking since the kernel +output queue length seems to be variable. +\end{funcdesc} + +\begin{funcdesc}{read}{size} +This method reads \var{size} samples from the audio input and returns +them as a python string. The function blocks until enough data is available. +\end{funcdesc} + +\begin{funcdesc}{setinfo}{status} +This method sets the audio device status parameters. The \var{status} +parameter is an device status object as returned by \function{getinfo()} and +possibly modified by the program. +\end{funcdesc} + +\begin{funcdesc}{write}{samples} +Write is passed a python string containing audio samples to be played. +If there is enough buffer space free it will immediately return, +otherwise it will block. +\end{funcdesc} + +There is a companion module, \module{SUNAUDIODEV}, which defines useful +symbolic constants like \constant{MIN_GAIN}, \constant{MAX_GAIN}, +\constant{SPEAKER}, etc. The names of +the constants are the same names as used in the \C{} include file +\code{<sun/audioio.h>}, with the leading string \samp{AUDIO_} +stripped. +\refstmodindex{SUNAUDIODEV} + +Useability of the control device is limited at the moment, since there +is no way to use the ``wait for something to happen'' feature the +device provides. diff --git a/Doc/libsun.tex b/Doc/libsun.tex index 68d2c8b..25826cd 100644 --- a/Doc/libsun.tex +++ b/Doc/libsun.tex @@ -1,115 +1,6 @@ \chapter{SunOS Specific Services} +\label{sunos} The modules described in this chapter provide interfaces to features that are unique to the SunOS operating system (versions 4 and 5; the latter is also known as Solaris version 2). - -\section{Built-in Module \sectcode{sunaudiodev}} -\label{module-sunaudiodev} -\bimodindex{sunaudiodev} - -This module allows you to access the sun audio interface. The sun -audio hardware is capable of recording and playing back audio data -in U-LAW format with a sample rate of 8K per second. A full -description can be gotten with \samp{man audio}. - -The module defines the following variables and functions: - -\setindexsubitem{(in module sunaudiodev)} -\begin{excdesc}{error} -This exception is raised on all errors. The argument is a string -describing what went wrong. -\end{excdesc} - -\begin{funcdesc}{open}{mode} -This function opens the audio device and returns a sun audio device -object. This object can then be used to do I/O on. The \var{mode} parameter -is one of \code{'r'} for record-only access, \code{'w'} for play-only -access, \code{'rw'} for both and \code{'control'} for access to the -control device. Since only one process is allowed to have the recorder -or player open at the same time it is a good idea to open the device -only for the activity needed. See the audio manpage for details. -\end{funcdesc} - -\subsection{Audio Device Objects} - -The audio device objects are returned by \code{open} define the -following methods (except \code{control} objects which only provide -getinfo, setinfo and drain): - -\setindexsubitem{(audio device method)} - -\begin{funcdesc}{close}{} -This method explicitly closes the device. It is useful in situations -where deleting the object does not immediately close it since there -are other references to it. A closed device should not be used again. -\end{funcdesc} - -\begin{funcdesc}{drain}{} -This method waits until all pending output is processed and then returns. -Calling this method is often not necessary: destroying the object will -automatically close the audio device and this will do an implicit drain. -\end{funcdesc} - -\begin{funcdesc}{flush}{} -This method discards all pending output. It can be used avoid the -slow response to a user's stop request (due to buffering of up to one -second of sound). -\end{funcdesc} - -\begin{funcdesc}{getinfo}{} -This method retrieves status information like input and output volume, -etc. and returns it in the form of -an audio status object. This object has no methods but it contains a -number of attributes describing the current device status. The names -and meanings of the attributes are described in -\file{/usr/include/sun/audioio.h} and in the audio man page. Member names -are slightly different from their C counterparts: a status object is -only a single structure. Members of the \code{play} substructure have -\samp{o_} prepended to their name and members of the \code{record} -structure have \samp{i_}. So, the C member \code{play.sample_rate} is -accessed as \code{o_sample_rate}, \code{record.gain} as \code{i_gain} -and \code{monitor_gain} plainly as \code{monitor_gain}. -\end{funcdesc} - -\begin{funcdesc}{ibufcount}{} -This method returns the number of samples that are buffered on the -recording side, i.e. -the program will not block on a \code{read} call of so many samples. -\end{funcdesc} - -\begin{funcdesc}{obufcount}{} -This method returns the number of samples buffered on the playback -side. Unfortunately, this number cannot be used to determine a number -of samples that can be written without blocking since the kernel -output queue length seems to be variable. -\end{funcdesc} - -\begin{funcdesc}{read}{size} -This method reads \var{size} samples from the audio input and returns -them as a python string. The function blocks until enough data is available. -\end{funcdesc} - -\begin{funcdesc}{setinfo}{status} -This method sets the audio device status parameters. The \var{status} -parameter is an device status object as returned by \code{getinfo} and -possibly modified by the program. -\end{funcdesc} - -\begin{funcdesc}{write}{samples} -Write is passed a python string containing audio samples to be played. -If there is enough buffer space free it will immediately return, -otherwise it will block. -\end{funcdesc} - -There is a companion module, \code{SUNAUDIODEV}, which defines useful -symbolic constants like \code{MIN_GAIN}, \code{MAX_GAIN}, -\code{SPEAKER}, etc. The names of -the constants are the same names as used in the C include file -\file{<sun/audioio.h>}, with the leading string \samp{AUDIO_} -stripped. -\refstmodindex{SUNAUDIODEV} - -Useability of the control device is limited at the moment, since there -is no way to use the ``wait for something to happen'' feature the -device provides. diff --git a/Doc/libsunaudio.tex b/Doc/libsunaudio.tex new file mode 100644 index 0000000..09b87bf --- /dev/null +++ b/Doc/libsunaudio.tex @@ -0,0 +1,109 @@ +\section{Built-in Module \sectcode{sunaudiodev}} +\label{module-sunaudiodev} +\bimodindex{sunaudiodev} + +This module allows you to access the sun audio interface. The sun +audio hardware is capable of recording and playing back audio data +in U-LAW format with a sample rate of 8K per second. A full +description can be gotten with \samp{man audio}. + +The module defines the following variables and functions: + +\setindexsubitem{(in module sunaudiodev)} +\begin{excdesc}{error} +This exception is raised on all errors. The argument is a string +describing what went wrong. +\end{excdesc} + +\begin{funcdesc}{open}{mode} +This function opens the audio device and returns a sun audio device +object. This object can then be used to do I/O on. The \var{mode} parameter +is one of \code{'r'} for record-only access, \code{'w'} for play-only +access, \code{'rw'} for both and \code{'control'} for access to the +control device. Since only one process is allowed to have the recorder +or player open at the same time it is a good idea to open the device +only for the activity needed. See the audio manpage for details. +\end{funcdesc} + +\subsection{Audio Device Objects} + +The audio device objects are returned by \code{open} define the +following methods (except \code{control} objects which only provide +getinfo, setinfo and drain): + +\setindexsubitem{(audio device method)} + +\begin{funcdesc}{close}{} +This method explicitly closes the device. It is useful in situations +where deleting the object does not immediately close it since there +are other references to it. A closed device should not be used again. +\end{funcdesc} + +\begin{funcdesc}{drain}{} +This method waits until all pending output is processed and then returns. +Calling this method is often not necessary: destroying the object will +automatically close the audio device and this will do an implicit drain. +\end{funcdesc} + +\begin{funcdesc}{flush}{} +This method discards all pending output. It can be used avoid the +slow response to a user's stop request (due to buffering of up to one +second of sound). +\end{funcdesc} + +\begin{funcdesc}{getinfo}{} +This method retrieves status information like input and output volume, +etc. and returns it in the form of +an audio status object. This object has no methods but it contains a +number of attributes describing the current device status. The names +and meanings of the attributes are described in +\file{/usr/include/sun/audioio.h} and in the audio man page. Member names +are slightly different from their C counterparts: a status object is +only a single structure. Members of the \code{play} substructure have +\samp{o_} prepended to their name and members of the \code{record} +structure have \samp{i_}. So, the C member \code{play.sample_rate} is +accessed as \code{o_sample_rate}, \code{record.gain} as \code{i_gain} +and \code{monitor_gain} plainly as \code{monitor_gain}. +\end{funcdesc} + +\begin{funcdesc}{ibufcount}{} +This method returns the number of samples that are buffered on the +recording side, i.e. +the program will not block on a \function{read()} call of so many samples. +\end{funcdesc} + +\begin{funcdesc}{obufcount}{} +This method returns the number of samples buffered on the playback +side. Unfortunately, this number cannot be used to determine a number +of samples that can be written without blocking since the kernel +output queue length seems to be variable. +\end{funcdesc} + +\begin{funcdesc}{read}{size} +This method reads \var{size} samples from the audio input and returns +them as a python string. The function blocks until enough data is available. +\end{funcdesc} + +\begin{funcdesc}{setinfo}{status} +This method sets the audio device status parameters. The \var{status} +parameter is an device status object as returned by \function{getinfo()} and +possibly modified by the program. +\end{funcdesc} + +\begin{funcdesc}{write}{samples} +Write is passed a python string containing audio samples to be played. +If there is enough buffer space free it will immediately return, +otherwise it will block. +\end{funcdesc} + +There is a companion module, \module{SUNAUDIODEV}, which defines useful +symbolic constants like \constant{MIN_GAIN}, \constant{MAX_GAIN}, +\constant{SPEAKER}, etc. The names of +the constants are the same names as used in the \C{} include file +\code{<sun/audioio.h>}, with the leading string \samp{AUDIO_} +stripped. +\refstmodindex{SUNAUDIODEV} + +Useability of the control device is limited at the moment, since there +is no way to use the ``wait for something to happen'' feature the +device provides. |