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authorFred Drake <fdrake@acm.org>1999-06-17 16:10:39 (GMT)
committerFred Drake <fdrake@acm.org>1999-06-17 16:10:39 (GMT)
commit7487c0220973c498ad0d79de1d8b9f3ceda6242c (patch)
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Small markup and English usage nits.
Diffstat (limited to 'Doc/lib/libwave.tex')
-rw-r--r--Doc/lib/libwave.tex59
1 files changed, 30 insertions, 29 deletions
diff --git a/Doc/lib/libwave.tex b/Doc/lib/libwave.tex
index 8510f49..44af40e 100644
--- a/Doc/lib/libwave.tex
+++ b/Doc/lib/libwave.tex
@@ -1,6 +1,6 @@
% Documentations stolen and LaTeX'ed from comments in file.
\section{\module{wave} ---
- Read and write .WAV files}
+ Read and write WAV files}
\declaremodule{standard}{wave}
\sectionauthor{Moshe Zadka}{mzadka@geocities.com}
@@ -10,7 +10,7 @@ The \module{wave} module provides a convenient interface to the WAV sound
format. It does not support compression/decompression, but it does support
mono/stereo.
-The \module{wave} module defines the following function:
+The \module{wave} module defines the following function and exception:
\begin{funcdesc}{open}{file, mode}
If \var{file} is a string, open the file by that name, other treat it
@@ -38,11 +38,17 @@ WAV specification or hits an implementation deficiency.
\subsection{Wave_read Objects \label{Wave-read-objects}}
-Wave_read objects, as returned by \function{open()} above, have the
+Wave_read objects, as returned by \function{open()}, have the
following methods:
+\begin{methoddesc}[Wave_read]{close}{}
+Close the stream, and make the instance unusable. This is
+called automatically on object collection.
+\end{methoddesc}
+
\begin{methoddesc}[Wave_read]{getnchannels}{}
-Returns number of audio channels (1 for mone, 2 for stereo).
+Returns number of audio channels (\code{1} for mono, \code{2} for
+stereo).
\end{methoddesc}
\begin{methoddesc}[Wave_read]{getsampwidth}{}
@@ -68,8 +74,9 @@ Usually \code{'not compressed'} parallels \code{'NONE'}.
\begin{methoddesc}[Wave_read]{getparams}{}
Returns a tuple
-\code{(nchannels, sampwidth, framerate, nframes, comptype, compname)},
-equivalent to output of the \code{get} methods.
+\code{(\var{nchannels}, \var{sampwidth}, \var{framerate},
+\var{nframes}, \var{comptype}, \var{compname})}, equivalent to output
+of the \method{get*()} methods.
\end{methoddesc}
\begin{methoddesc}[Wave_read]{readframes}{n}
@@ -80,7 +87,7 @@ Reads and returns at most \var{n} frames of audio, as a string of bytes.
Rewind the file pointer to the beginning of the audio stream.
\end{methoddesc}
-The following two functions are defined for compatibility with the
+The following two methods are defined for compatibility with the
\refmodule{aifc} module, and don't do anything interesting.
\begin{methoddesc}[Wave_read]{getmarkers}{}
@@ -102,32 +109,32 @@ Set the file pointer to the specified position.
Return current file pointer position.
\end{methoddesc}
-\begin{methoddesc}[Wave_read]{close}{}
-Close the stream, and make the instance unusable. (This is
-called automatically on deletion.
-\end{methoddesc}
-
\subsection{Wave_write Objects \label{Wave-write-objects}}
-Wave_write objects, as returned by \function{open()} above, have the
+Wave_write objects, as returned by \function{open()}, have the
following methods:
+\begin{methoddesc}[Wave_write]{close}{}
+Make sure \var{nframes} is correct, and close the file.
+This method is called upon deletion.
+\end{methoddesc}
+
\begin{methoddesc}[Wave_write]{setnchannels}{n}
Set the number of channels.
\end{methoddesc}
\begin{methoddesc}[Wave_write]{setsampwidth}{n}
-Set the sample width (in bytes.)
+Set the sample width to \var{n} bytes.
\end{methoddesc}
\begin{methoddesc}[Wave_write]{setframerate}{n}
-Set the frame rate.
+Set the frame rate to \var{n}.
\end{methoddesc}
\begin{methoddesc}[Wave_write]{setnframes}{n}
-Set the number of frames. This can be later changed, when and if more
-frames are written.
+Set the number of frames to \var{n}. This will be changed later if
+more frames are written.
\end{methoddesc}
\begin{methoddesc}[Wave_write]{setcomptype}{type, name}
@@ -135,15 +142,15 @@ Set the compression type and description.
\end{methoddesc}
\begin{methoddesc}[Wave_write]{setparams}{tuple}
-The \var{tuple} should be
-\code{(\var{nchannels}, \var{sampwidth}, \var{framerate},
-\var{nframes}, \var{comptype}, \var{compname})}, with values valid for
-the \code{set} methods. Set all parameters.
+The \var{tuple} should be \code{(\var{nchannels}, \var{sampwidth},
+\var{framerate}, \var{nframes}, \var{comptype}, \var{compname})}, with
+values valid for the \method{set*()} methods. Sets all parameters.
\end{methoddesc}
\begin{methoddesc}[Wave_write]{tell}{}
Return current position in the file, with the same disclaimer for
-the \method{Wave_read.tell} and \method{Wave_read.setpos} methods.
+the \method{Wave_read.tell()} and \method{Wave_read.setpos()}
+methods.
\end{methoddesc}
\begin{methoddesc}[Wave_write]{writeframesraw}{data}
@@ -154,12 +161,6 @@ Write audio frames, without correcting \var{nframes}.
Write audio frames and make sure \var{nframes} is correct.
\end{methoddesc}
-\begin{methoddesc}[Wave_write]{close}{}
-Make sure \var{nframes} is correct, and close the file.
-
-This method is called upon deletion.
-\end{methoddesc}
-
Note that it is invalid to set any parameters after calling
\method{writeframes()} or \method{writeframesraw()}, and any attempt
-to do so will raise an error.
+to do so will raise \exception{wave.Error}.