cpython-lru_cache-weakref: Doc/lib/libwave.tex annotate

annotate Doc/lib/libwave.tex @ 28646:193b8aec00ce legacy-trunk

Changes from Jonathan Riehl to allow his pgen extension (PEP 269) to work. This includes some more code that used to be part of pgen in the main parser; I'm okay with that. I'll see if the Windows build needs work next.

author	Guido van Rossum <guido@python.org>
date	Thu, 17 Apr 2003 14:55:42 +0000
parents	d7864345b1c8
children	4bbbe0c55fa2

rev	line source
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	1 % Documentations stolen and LaTeX'ed from comments in file.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	2 \section{\module{wave} ---
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	3 Read and write WAV files}
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	4
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	5 \declaremodule{standard}{wave}
15467 d7864345b1c8 Update Moshe Zadka's email address to one works and might last a while. Fred Drake <fdrake@acm.org> parents: 13625 diff changeset	6 \sectionauthor{Moshe Zadka}{moshez@zadka.site.co.il}
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	7 \modulesynopsis{Provide an interface to the WAV sound format.}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	8
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	9 The \module{wave} module provides a convenient interface to the WAV sound
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	10 format. It does not support compression/decompression, but it does support
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	11 mono/stereo.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	12
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	13 The \module{wave} module defines the following function and exception:
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	14
11613 68c259b6e6cd Document that the \|mode\| parameter to open() is optional and explain how Fred Drake <fdrake@acm.org> parents: 11002 diff changeset	15 \begin{funcdesc}{open}{file\optional{, mode}}
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	16 If \var{file} is a string, open the file by that name, other treat it
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	17 as a seekable file-like object. \var{mode} can be any of
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	18 \begin{description}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	19 \item[\code{'r'}, \code{'rb'}] Read only mode.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	20 \item[\code{'w'}, \code{'wb'}] Write only mode.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	21 \end{description}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	22 Note that it does not allow read/write WAV files.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	23
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	24 A \var{mode} of \code{'r'} or \code{'rb'} returns a \class{Wave_read}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	25 object, while a \var{mode} of \code{'w'} or \code{'wb'} returns
11613 68c259b6e6cd Document that the \|mode\| parameter to open() is optional and explain how Fred Drake <fdrake@acm.org> parents: 11002 diff changeset	26 a \class{Wave_write} object. If \var{mode} is omitted and a file-like
68c259b6e6cd Document that the \|mode\| parameter to open() is optional and explain how Fred Drake <fdrake@acm.org> parents: 11002 diff changeset	27 object is passed as \var{file}, \code{\var{file}.mode} is used as the
68c259b6e6cd Document that the \|mode\| parameter to open() is optional and explain how Fred Drake <fdrake@acm.org> parents: 11002 diff changeset	28 default value for \var{mode} (the \character{b} flag is still added if
68c259b6e6cd Document that the \|mode\| parameter to open() is optional and explain how Fred Drake <fdrake@acm.org> parents: 11002 diff changeset	29 necessary).
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	30 \end{funcdesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	31
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	32 \begin{funcdesc}{openfp}{file, mode}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	33 A synonym for \function{open()}, maintained for backwards compatibility.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	34 \end{funcdesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	35
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	36 \begin{excdesc}{Error}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	37 An error raised when something is impossible because it violates the
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	38 WAV specification or hits an implementation deficiency.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	39 \end{excdesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	40
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	41
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	42 \subsection{Wave_read Objects \label{Wave-read-objects}}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	43
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	44 Wave_read objects, as returned by \function{open()}, have the
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	45 following methods:
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	46
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	47 \begin{methoddesc}[Wave_read]{close}{}
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	48 Close the stream, and make the instance unusable. This is
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	49 called automatically on object collection.
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	50 \end{methoddesc}
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	51
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	52 \begin{methoddesc}[Wave_read]{getnchannels}{}
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	53 Returns number of audio channels (\code{1} for mono, \code{2} for
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	54 stereo).
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	55 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	56
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	57 \begin{methoddesc}[Wave_read]{getsampwidth}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	58 Returns sample width in bytes.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	59 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	60
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	61 \begin{methoddesc}[Wave_read]{getframerate}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	62 Returns sampling frequency.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	63 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	64
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	65 \begin{methoddesc}[Wave_read]{getnframes}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	66 Returns number of audio frames.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	67 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	68
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	69 \begin{methoddesc}[Wave_read]{getcomptype}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	70 Returns compression type (\code{'NONE'} is the only supported type).
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	71 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	72
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	73 \begin{methoddesc}[Wave_read]{getcompname}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	74 Human-readable version of \method{getcomptype()}.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	75 Usually \code{'not compressed'} parallels \code{'NONE'}.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	76 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	77
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	78 \begin{methoddesc}[Wave_read]{getparams}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	79 Returns a tuple
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	80 \code{(\var{nchannels}, \var{sampwidth}, \var{framerate},
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	81 \var{nframes}, \var{comptype}, \var{compname})}, equivalent to output
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	82 of the \method{get*()} methods.
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	83 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	84
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	85 \begin{methoddesc}[Wave_read]{readframes}{n}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	86 Reads and returns at most \var{n} frames of audio, as a string of bytes.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	87 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	88
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	89 \begin{methoddesc}[Wave_read]{rewind}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	90 Rewind the file pointer to the beginning of the audio stream.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	91 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	92
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	93 The following two methods are defined for compatibility with the
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	94 \refmodule{aifc} module, and don't do anything interesting.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	95
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	96 \begin{methoddesc}[Wave_read]{getmarkers}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	97 Returns \code{None}.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	98 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	99
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	100 \begin{methoddesc}[Wave_read]{getmark}{id}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	101 Raise an error.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	102 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	103
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	104 The following two methods define a term ``position'' which is compatible
13625 fdfd1049f36e Rob W. W. Hooft's spelling fixes for the Library Reference. I hope Thomas Wouters <thomas@python.org> parents: 11613 diff changeset	105 between them, and is otherwise implementation dependent.
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	106
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	107 \begin{methoddesc}[Wave_read]{setpos}{pos}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	108 Set the file pointer to the specified position.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	109 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	110
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	111 \begin{methoddesc}[Wave_read]{tell}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	112 Return current file pointer position.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	113 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	114
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	115
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	116 \subsection{Wave_write Objects \label{Wave-write-objects}}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	117
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	118 Wave_write objects, as returned by \function{open()}, have the
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	119 following methods:
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	120
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	121 \begin{methoddesc}[Wave_write]{close}{}
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	122 Make sure \var{nframes} is correct, and close the file.
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	123 This method is called upon deletion.
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	124 \end{methoddesc}
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	125
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	126 \begin{methoddesc}[Wave_write]{setnchannels}{n}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	127 Set the number of channels.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	128 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	129
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	130 \begin{methoddesc}[Wave_write]{setsampwidth}{n}
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	131 Set the sample width to \var{n} bytes.
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	132 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	133
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	134 \begin{methoddesc}[Wave_write]{setframerate}{n}
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	135 Set the frame rate to \var{n}.
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	136 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	137
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	138 \begin{methoddesc}[Wave_write]{setnframes}{n}
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	139 Set the number of frames to \var{n}. This will be changed later if
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	140 more frames are written.
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	141 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	142
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	143 \begin{methoddesc}[Wave_write]{setcomptype}{type, name}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	144 Set the compression type and description.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	145 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	146
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	147 \begin{methoddesc}[Wave_write]{setparams}{tuple}
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	148 The \var{tuple} should be \code{(\var{nchannels}, \var{sampwidth},
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	149 \var{framerate}, \var{nframes}, \var{comptype}, \var{compname})}, with
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	150 values valid for the \method{set*()} methods. Sets all parameters.
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	151 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	152
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	153 \begin{methoddesc}[Wave_write]{tell}{}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	154 Return current position in the file, with the same disclaimer for
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	155 the \method{Wave_read.tell()} and \method{Wave_read.setpos()}
e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	156 methods.
10996 84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	157 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	158
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	159 \begin{methoddesc}[Wave_write]{writeframesraw}{data}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	160 Write audio frames, without correcting \var{nframes}.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	161 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	162
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	163 \begin{methoddesc}[Wave_write]{writeframes}{data}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	164 Write audio frames and make sure \var{nframes} is correct.
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	165 \end{methoddesc}
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	166
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	167 Note that it is invalid to set any parameters after calling
84ab14d85763 New module documentation sections from Moshe Zadka <moshez@math.huji.ac.il>! Fred Drake <fdrake@acm.org> parents: diff changeset	168 \method{writeframes()} or \method{writeframesraw()}, and any attempt
11002 e52723af3cd5 Small markup and English usage nits. Fred Drake <fdrake@acm.org> parents: 10996 diff changeset	169 to do so will raise \exception{wave.Error}.

Mercurial > cpython-lru_cache-weakref

annotate Doc/lib/libwave.tex @ 28646:193b8aec00ce legacy-trunk