auracaster/pyalsaaudio
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Code Issues Packages Projects Releases Wiki Activity

Version 0.9.1

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Lars Immisch
2022-05-03 21:06:28 +02:00
parent e15481ead5
commit 06e3798ef5
14 changed files with 481 additions and 285 deletions
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_static/basic.css
+85 -34
View File
@@ -4,7 +4,7 @@
* *
* Sphinx stylesheet -- basic theme. * Sphinx stylesheet -- basic theme.
* *
* :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS. * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
* :license: BSD, see LICENSE for details. * :license: BSD, see LICENSE for details.
* *
*/ */
@@ -130,7 +130,7 @@ ul.search li a {
font-weight: bold; font-weight: bold;
} }
ul.search li div.context { ul.search li p.context {
color: #888; color: #888;
margin: 2px 0 0 30px; margin: 2px 0 0 30px;
text-align: left; text-align: left;
@@ -277,25 +277,25 @@ p.rubric {
font-weight: bold; font-weight: bold;
} }
img.align-left, .figure.align-left, object.align-left { img.align-left, figure.align-left, .figure.align-left, object.align-left {
clear: left; clear: left;
float: left; float: left;
margin-right: 1em; margin-right: 1em;
} }
img.align-right, .figure.align-right, object.align-right { img.align-right, figure.align-right, .figure.align-right, object.align-right {
clear: right; clear: right;
float: right; float: right;
margin-left: 1em; margin-left: 1em;
} }
img.align-center, .figure.align-center, object.align-center { img.align-center, figure.align-center, .figure.align-center, object.align-center {
display: block; display: block;
margin-left: auto; margin-left: auto;
margin-right: auto; margin-right: auto;
} }
img.align-default, .figure.align-default { img.align-default, figure.align-default, .figure.align-default {
display: block; display: block;
margin-left: auto; margin-left: auto;
margin-right: auto; margin-right: auto;
@@ -319,7 +319,8 @@ img.align-default, .figure.align-default {
/* -- sidebars -------------------------------------------------------------- */ /* -- sidebars -------------------------------------------------------------- */
div.sidebar { div.sidebar,
aside.sidebar {
margin: 0 0 0.5em 1em; margin: 0 0 0.5em 1em;
border: 1px solid #ddb; border: 1px solid #ddb;
padding: 7px; padding: 7px;
@@ -377,12 +378,14 @@ div.body p.centered {
/* -- content of sidebars/topics/admonitions -------------------------------- */ /* -- content of sidebars/topics/admonitions -------------------------------- */
div.sidebar > :last-child, div.sidebar > :last-child,
aside.sidebar > :last-child,
div.topic > :last-child, div.topic > :last-child,
div.admonition > :last-child { div.admonition > :last-child {
margin-bottom: 0; margin-bottom: 0;
} }
div.sidebar::after, div.sidebar::after,
aside.sidebar::after,
div.topic::after, div.topic::after,
div.admonition::after, div.admonition::after,
blockquote::after { blockquote::after {
@@ -455,20 +458,22 @@ td > :last-child {
/* -- figures --------------------------------------------------------------- */ /* -- figures --------------------------------------------------------------- */
div.figure { div.figure, figure {
margin: 0.5em; margin: 0.5em;
padding: 0.5em; padding: 0.5em;
} }
div.figure p.caption { div.figure p.caption, figcaption {
padding: 0.3em; padding: 0.3em;
} }
div.figure p.caption span.caption-number { div.figure p.caption span.caption-number,
figcaption span.caption-number {
font-style: italic; font-style: italic;
} }
div.figure p.caption span.caption-text { div.figure p.caption span.caption-text,
figcaption span.caption-text {
} }
/* -- field list styles ----------------------------------------------------- */ /* -- field list styles ----------------------------------------------------- */
@@ -503,6 +508,63 @@ table.hlist td {
vertical-align: top; vertical-align: top;
} }
/* -- object description styles --------------------------------------------- */
.sig {
font-family: 'Consolas', 'Menlo', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', monospace;
}
.sig-name, code.descname {
background-color: transparent;
font-weight: bold;
}
.sig-name {
font-size: 1.1em;
}
code.descname {
font-size: 1.2em;
}
.sig-prename, code.descclassname {
background-color: transparent;
}
.optional {
font-size: 1.3em;
}
.sig-paren {
font-size: larger;
}
.sig-param.n {
font-style: italic;
}
/* C++ specific styling */
.sig-inline.c-texpr,
.sig-inline.cpp-texpr {
font-family: unset;
}
.sig.c .k, .sig.c .kt,
.sig.cpp .k, .sig.cpp .kt {
color: #0033B3;
}
.sig.c .m,
.sig.cpp .m {
color: #1750EB;
}
.sig.c .s, .sig.c .sc,
.sig.cpp .s, .sig.cpp .sc {
color: #067D17;
}
/* -- other body styles ----------------------------------------------------- */ /* -- other body styles ----------------------------------------------------- */
@@ -629,14 +691,6 @@ dl.glossary dt {
font-size: 1.1em; font-size: 1.1em;
} }
.optional {
font-size: 1.3em;
}
.sig-paren {
font-size: larger;
}
.versionmodified { .versionmodified {
font-style: italic; font-style: italic;
} }
@@ -677,8 +731,9 @@ dl.glossary dt {
.classifier:before { .classifier:before {
font-style: normal; font-style: normal;
margin: 0.5em; margin: 0 0.5em;
content: ":"; content: ":";
display: inline-block;
} }
abbr, acronym { abbr, acronym {
@@ -693,7 +748,7 @@ pre {
overflow-y: hidden; /* fixes display issues on Chrome browsers */ overflow-y: hidden; /* fixes display issues on Chrome browsers */
} }
pre, div[class|="highlight"] { pre, div[class*="highlight-"] {
clear: both; clear: both;
} }
@@ -702,9 +757,10 @@ span.pre {
-ms-hyphens: none; -ms-hyphens: none;
-webkit-hyphens: none; -webkit-hyphens: none;
hyphens: none; hyphens: none;
white-space: nowrap;
} }
div[class^="highlight-"] { div[class*="highlight-"] {
margin: 1em 0; margin: 1em 0;
} }
@@ -764,8 +820,13 @@ div.code-block-caption code {
} }
table.highlighttable td.linenos, table.highlighttable td.linenos,
div.doctest > div.highlight span.gp { /* gp: Generic.Prompt */ span.linenos,
user-select: none; div.highlight span.gp { /* gp: Generic.Prompt */
user-select: none;
-webkit-user-select: text; /* Safari fallback only */
-webkit-user-select: none; /* Chrome/Safari */
-moz-user-select: none; /* Firefox */
-ms-user-select: none; /* IE10+ */
} }
div.code-block-caption span.caption-number { div.code-block-caption span.caption-number {
@@ -780,16 +841,6 @@ div.literal-block-wrapper {
margin: 1em 0; margin: 1em 0;
} }
code.descname {
background-color: transparent;
font-weight: bold;
font-size: 1.2em;
}
code.descclassname {
background-color: transparent;
}
code.xref, a code { code.xref, a code {
background-color: transparent; background-color: transparent;
font-weight: bold; font-weight: bold;
_static/doctools.js
+63 -20
View File
@@ -4,7 +4,7 @@
* *
* Sphinx JavaScript utilities for all documentation. * Sphinx JavaScript utilities for all documentation.
* *
* :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS. * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
* :license: BSD, see LICENSE for details. * :license: BSD, see LICENSE for details.
* *
*/ */
@@ -29,9 +29,14 @@ if (!window.console || !console.firebug) {
/** /**
* small helper function to urldecode strings * small helper function to urldecode strings
*
* See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent#Decoding_query_parameters_from_a_URL
*/ */
jQuery.urldecode = function(x) { jQuery.urldecode = function(x) {
return decodeURIComponent(x).replace(/\+/g, ' '); if (!x) {
return x
}
return decodeURIComponent(x.replace(/\+/g, ' '));
}; };
/** /**
@@ -149,9 +154,7 @@ var Documentation = {
this.fixFirefoxAnchorBug(); this.fixFirefoxAnchorBug();
this.highlightSearchWords(); this.highlightSearchWords();
this.initIndexTable(); this.initIndexTable();
if (DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS) { this.initOnKeyListeners();
this.initOnKeyListeners();
}
}, },
/** /**
@@ -259,6 +262,16 @@ var Documentation = {
hideSearchWords : function() { hideSearchWords : function() {
$('#searchbox .highlight-link').fadeOut(300); $('#searchbox .highlight-link').fadeOut(300);
$('span.highlighted').removeClass('highlighted'); $('span.highlighted').removeClass('highlighted');
var url = new URL(window.location);
url.searchParams.delete('highlight');
window.history.replaceState({}, '', url);
},
/**
* helper function to focus on search bar
*/
focusSearchBar : function() {
$('input[name=q]').first().focus();
}, },
/** /**
@@ -283,24 +296,54 @@ var Documentation = {
}, },
initOnKeyListeners: function() { initOnKeyListeners: function() {
// only install a listener if it is really needed
if (!DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS &&
!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS)
return;
$(document).keydown(function(event) { $(document).keydown(function(event) {
var activeElementType = document.activeElement.tagName; var activeElementType = document.activeElement.tagName;
// don't navigate when in search box or textarea // don't navigate when in search box, textarea, dropdown or button
if (activeElementType !== 'TEXTAREA' && activeElementType !== 'INPUT' && activeElementType !== 'SELECT' if (activeElementType !== 'TEXTAREA' && activeElementType !== 'INPUT' && activeElementType !== 'SELECT'
&& !event.altKey && !event.ctrlKey && !event.metaKey && !event.shiftKey) { && activeElementType !== 'BUTTON') {
switch (event.keyCode) { if (event.altKey || event.ctrlKey || event.metaKey)
case 37: // left return;
var prevHref = $('link[rel="prev"]').prop('href');
if (prevHref) { if (!event.shiftKey) {
window.location.href = prevHref; switch (event.key) {
return false; case 'ArrowLeft':
} if (!DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS)
case 39: // right break;
var nextHref = $('link[rel="next"]').prop('href'); var prevHref = $('link[rel="prev"]').prop('href');
if (nextHref) { if (prevHref) {
window.location.href = nextHref; window.location.href = prevHref;
return false; return false;
} }
break;
case 'ArrowRight':
if (!DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS)
break;
var nextHref = $('link[rel="next"]').prop('href');
if (nextHref) {
window.location.href = nextHref;
return false;
}
break;
case 'Escape':
if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS)
break;
Documentation.hideSearchWords();
return false;
}
}
// some keyboard layouts may need Shift to get /
switch (event.key) {
case '/':
if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS)
break;
Documentation.focusSearchBar();
return false;
} }
} }
}); });
_static/pygments.css
+6 -1
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@@ -1,5 +1,10 @@
pre { line-height: 125%; margin: 0; }
td.linenos pre { color: #000000; background-color: #f0f0f0; padding: 0 5px 0 5px; }
span.linenos { color: #000000; background-color: #f0f0f0; padding: 0 5px 0 5px; }
td.linenos pre.special { color: #000000; background-color: #ffffc0; padding: 0 5px 0 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding: 0 5px 0 5px; }
.highlight .hll { background-color: #ffffcc } .highlight .hll { background-color: #ffffcc }
.highlight { background: #eeffcc; } .highlight { background: #eeffcc; }
.highlight .c { color: #408090; font-style: italic } /* Comment */ .highlight .c { color: #408090; font-style: italic } /* Comment */
.highlight .err { border: 1px solid #FF0000 } /* Error */ .highlight .err { border: 1px solid #FF0000 } /* Error */
.highlight .k { color: #007020; font-weight: bold } /* Keyword */ .highlight .k { color: #007020; font-weight: bold } /* Keyword */
_static/searchtools.js
+36 -26
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@@ -4,7 +4,7 @@
* *
* Sphinx JavaScript utilities for the full-text search. * Sphinx JavaScript utilities for the full-text search.
* *
* :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS. * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
* :license: BSD, see LICENSE for details. * :license: BSD, see LICENSE for details.
* *
*/ */
@@ -59,10 +59,10 @@ var Search = {
_pulse_status : -1, _pulse_status : -1,
htmlToText : function(htmlString) { htmlToText : function(htmlString) {
var htmlElement = document.createElement('span'); var virtualDocument = document.implementation.createHTMLDocument('virtual');
htmlElement.innerHTML = htmlString; var htmlElement = $(htmlString, virtualDocument);
$(htmlElement).find('.headerlink').remove(); htmlElement.find('.headerlink').remove();
docContent = $(htmlElement).find('[role=main]')[0]; docContent = htmlElement.find('[role=main]')[0];
if(docContent === undefined) { if(docContent === undefined) {
console.warn("Content block not found. Sphinx search tries to obtain it " + console.warn("Content block not found. Sphinx search tries to obtain it " +
"via '[role=main]'. Could you check your theme or template."); "via '[role=main]'. Could you check your theme or template.");
@@ -166,17 +166,12 @@ var Search = {
objectterms.push(tmp[i].toLowerCase()); objectterms.push(tmp[i].toLowerCase());
} }
if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i].match(/^\d+$/) || if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i] === "") {
tmp[i] === "") {
// skip this "word" // skip this "word"
continue; continue;
} }
// stem the word // stem the word
var word = stemmer.stemWord(tmp[i].toLowerCase()); var word = stemmer.stemWord(tmp[i].toLowerCase());
// prevent stemmer from cutting word smaller than two chars
if(word.length < 3 && tmp[i].length >= 3) {
word = tmp[i];
}
var toAppend; var toAppend;
// select the correct list // select the correct list
if (word[0] == '-') { if (word[0] == '-') {
@@ -249,7 +244,7 @@ var Search = {
// results left, load the summary and display it // results left, load the summary and display it
if (results.length) { if (results.length) {
var item = results.pop(); var item = results.pop();
var listItem = $('<li style="display:none"></li>'); var listItem = $('<li></li>');
var requestUrl = ""; var requestUrl = "";
var linkUrl = ""; var linkUrl = "";
if (DOCUMENTATION_OPTIONS.BUILDER === 'dirhtml') { if (DOCUMENTATION_OPTIONS.BUILDER === 'dirhtml') {
@@ -274,28 +269,31 @@ var Search = {
if (item[3]) { if (item[3]) {
listItem.append($('<span> (' + item[3] + ')</span>')); listItem.append($('<span> (' + item[3] + ')</span>'));
Search.output.append(listItem); Search.output.append(listItem);
listItem.slideDown(5, function() { setTimeout(function() {
displayNextItem(); displayNextItem();
}); }, 5);
} else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) { } else if (DOCUMENTATION_OPTIONS.SHOW_SEARCH_SUMMARY) {
$.ajax({url: requestUrl, $.ajax({url: requestUrl,
dataType: "text", dataType: "text",
complete: function(jqxhr, textstatus) { complete: function(jqxhr, textstatus) {
var data = jqxhr.responseText; var data = jqxhr.responseText;
if (data !== '' && data !== undefined) { if (data !== '' && data !== undefined) {
listItem.append(Search.makeSearchSummary(data, searchterms, hlterms)); var summary = Search.makeSearchSummary(data, searchterms, hlterms);
if (summary) {
listItem.append(summary);
}
} }
Search.output.append(listItem); Search.output.append(listItem);
listItem.slideDown(5, function() { setTimeout(function() {
displayNextItem(); displayNextItem();
}); }, 5);
}}); }});
} else { } else {
// no source available, just display title // just display title
Search.output.append(listItem); Search.output.append(listItem);
listItem.slideDown(5, function() { setTimeout(function() {
displayNextItem(); displayNextItem();
}); }, 5);
} }
} }
// search finished, update title and status message // search finished, update title and status message
@@ -326,7 +324,9 @@ var Search = {
var results = []; var results = [];
for (var prefix in objects) { for (var prefix in objects) {
for (var name in objects[prefix]) { for (var iMatch = 0; iMatch != objects[prefix].length; ++iMatch) {
var match = objects[prefix][iMatch];
var name = match[4];
var fullname = (prefix ? prefix + '.' : '') + name; var fullname = (prefix ? prefix + '.' : '') + name;
var fullnameLower = fullname.toLowerCase() var fullnameLower = fullname.toLowerCase()
if (fullnameLower.indexOf(object) > -1) { if (fullnameLower.indexOf(object) > -1) {
@@ -340,7 +340,6 @@ var Search = {
} else if (parts[parts.length - 1].indexOf(object) > -1) { } else if (parts[parts.length - 1].indexOf(object) > -1) {
score += Scorer.objPartialMatch; score += Scorer.objPartialMatch;
} }
var match = objects[prefix][name];
var objname = objnames[match[1]][2]; var objname = objnames[match[1]][2];
var title = titles[match[0]]; var title = titles[match[0]];
// If more than one term searched for, we require other words to be // If more than one term searched for, we require other words to be
@@ -380,6 +379,13 @@ var Search = {
return results; return results;
}, },
/**
* See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions
*/
escapeRegExp : function(string) {
return string.replace(/[.*+\-?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
},
/** /**
* search for full-text terms in the index * search for full-text terms in the index
*/ */
@@ -403,13 +409,14 @@ var Search = {
]; ];
// add support for partial matches // add support for partial matches
if (word.length > 2) { if (word.length > 2) {
var word_regex = this.escapeRegExp(word);
for (var w in terms) { for (var w in terms) {
if (w.match(word) && !terms[word]) { if (w.match(word_regex) && !terms[word]) {
_o.push({files: terms[w], score: Scorer.partialTerm}) _o.push({files: terms[w], score: Scorer.partialTerm})
} }
} }
for (var w in titleterms) { for (var w in titleterms) {
if (w.match(word) && !titleterms[word]) { if (w.match(word_regex) && !titleterms[word]) {
_o.push({files: titleterms[w], score: Scorer.partialTitle}) _o.push({files: titleterms[w], score: Scorer.partialTitle})
} }
} }
@@ -491,6 +498,9 @@ var Search = {
*/ */
makeSearchSummary : function(htmlText, keywords, hlwords) { makeSearchSummary : function(htmlText, keywords, hlwords) {
var text = Search.htmlToText(htmlText); var text = Search.htmlToText(htmlText);
if (text == "") {
return null;
}
var textLower = text.toLowerCase(); var textLower = text.toLowerCase();
var start = 0; var start = 0;
$.each(keywords, function() { $.each(keywords, function() {
@@ -502,7 +512,7 @@ var Search = {
var excerpt = ((start > 0) ? '...' : '') + var excerpt = ((start > 0) ? '...' : '') +
$.trim(text.substr(start, 240)) + $.trim(text.substr(start, 240)) +
((start + 240 - text.length) ? '...' : ''); ((start + 240 - text.length) ? '...' : '');
var rv = $('<div class="context"></div>').text(excerpt); var rv = $('<p class="context"></p>').text(excerpt);
$.each(hlwords, function() { $.each(hlwords, function() {
rv = rv.highlightText(this, 'highlighted'); rv = rv.highlightText(this, 'highlighted');
}); });
_static/underscore.js
+6 -31
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File diff suppressed because one or more lines are too long
genindex.html
+28 -13
View File
@@ -4,15 +4,14 @@
<html> <html>
<head> <head>
<meta charset="utf-8" /> <meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Index &#8212; alsaaudio documentation 0.9.0 documentation</title> <title>Index &#8212; alsaaudio documentation 0.9.1 documentation</title>
<link rel="stylesheet" href="_static/alabaster.css" type="text/css" /> <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
<link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
<script id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script> <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
<script src="_static/jquery.js"></script> <script src="_static/jquery.js"></script>
<script src="_static/underscore.js"></script> <script src="_static/underscore.js"></script>
<script src="_static/doctools.js"></script> <script src="_static/doctools.js"></script>
<script src="_static/language_data.js"></script>
<link rel="index" title="Index" href="#" /> <link rel="index" title="Index" href="#" />
<link rel="search" title="Search" href="search.html" /> <link rel="search" title="Search" href="search.html" />
@@ -58,6 +57,10 @@
</li> </li>
</ul></li> </ul></li>
</ul></td> </ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="libalsaaudio.html#alsaaudio.asoundlib_version">asoundlib_version() (in module alsaaudio)</a>
</li>
</ul></td>
</tr></table> </tr></table>
<h2 id="C">C</h2> <h2 id="C">C</h2>
@@ -79,12 +82,16 @@
<h2 id="G">G</h2> <h2 id="G">G</h2>
<table style="width: 100%" class="indextable genindextable"><tr> <table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul> <td style="width: 33%; vertical-align: top;"><ul>
<li><a href="libalsaaudio.html#alsaaudio.Mixer.getenum">getenum() (alsaaudio.Mixer method)</a> <li><a href="libalsaaudio.html#alsaaudio.PCM.get_tstamp_mode">get_tstamp_mode() (alsaaudio.PCM method)</a>
</li> </li>
<li><a href="libalsaaudio.html#alsaaudio.Mixer.getmute">getmute() (alsaaudio.Mixer method)</a> <li><a href="libalsaaudio.html#alsaaudio.PCM.get_tstamp_type">get_tstamp_type() (alsaaudio.PCM method)</a>
</li>
<li><a href="libalsaaudio.html#alsaaudio.Mixer.getenum">getenum() (alsaaudio.Mixer method)</a>
</li> </li>
</ul></td> </ul></td>
<td style="width: 33%; vertical-align: top;"><ul> <td style="width: 33%; vertical-align: top;"><ul>
<li><a href="libalsaaudio.html#alsaaudio.Mixer.getmute">getmute() (alsaaudio.Mixer method)</a>
</li>
<li><a href="libalsaaudio.html#alsaaudio.Mixer.getrange">getrange() (alsaaudio.Mixer method)</a> <li><a href="libalsaaudio.html#alsaaudio.Mixer.getrange">getrange() (alsaaudio.Mixer method)</a>
</li> </li>
<li><a href="libalsaaudio.html#alsaaudio.Mixer.getrec">getrec() (alsaaudio.Mixer method)</a> <li><a href="libalsaaudio.html#alsaaudio.Mixer.getrec">getrec() (alsaaudio.Mixer method)</a>
@@ -98,6 +105,10 @@
<table style="width: 100%" class="indextable genindextable"><tr> <table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul> <td style="width: 33%; vertical-align: top;"><ul>
<li><a href="libalsaaudio.html#alsaaudio.Mixer.handleevents">handleevents() (alsaaudio.Mixer method)</a> <li><a href="libalsaaudio.html#alsaaudio.Mixer.handleevents">handleevents() (alsaaudio.Mixer method)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="libalsaaudio.html#alsaaudio.PCM.htimestamp">htimestamp() (alsaaudio.PCM method)</a>
</li> </li>
</ul></td> </ul></td>
</tr></table> </tr></table>
@@ -160,16 +171,20 @@
<h2 id="S">S</h2> <h2 id="S">S</h2>
<table style="width: 100%" class="indextable genindextable"><tr> <table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul> <td style="width: 33%; vertical-align: top;"><ul>
<li><a href="libalsaaudio.html#alsaaudio.PCM.set_tstamp_mode">set_tstamp_mode() (alsaaudio.PCM method)</a>
</li>
<li><a href="libalsaaudio.html#alsaaudio.PCM.set_tstamp_type">set_tstamp_type() (alsaaudio.PCM method)</a>
</li>
<li><a href="libalsaaudio.html#alsaaudio.PCM.setchannels">setchannels() (alsaaudio.PCM method)</a> <li><a href="libalsaaudio.html#alsaaudio.PCM.setchannels">setchannels() (alsaaudio.PCM method)</a>
</li> </li>
<li><a href="libalsaaudio.html#alsaaudio.PCM.setformat">setformat() (alsaaudio.PCM method)</a> <li><a href="libalsaaudio.html#alsaaudio.PCM.setformat">setformat() (alsaaudio.PCM method)</a>
</li> </li>
<li><a href="libalsaaudio.html#alsaaudio.Mixer.setmute">setmute() (alsaaudio.Mixer method)</a> <li><a href="libalsaaudio.html#alsaaudio.Mixer.setmute">setmute() (alsaaudio.Mixer method)</a>
</li>
<li><a href="libalsaaudio.html#alsaaudio.PCM.setperiodsize">setperiodsize() (alsaaudio.PCM method)</a>
</li> </li>
</ul></td> </ul></td>
<td style="width: 33%; vertical-align: top;"><ul> <td style="width: 33%; vertical-align: top;"><ul>
<li><a href="libalsaaudio.html#alsaaudio.PCM.setperiodsize">setperiodsize() (alsaaudio.PCM method)</a>
</li>
<li><a href="libalsaaudio.html#alsaaudio.PCM.setrate">setrate() (alsaaudio.PCM method)</a> <li><a href="libalsaaudio.html#alsaaudio.PCM.setrate">setrate() (alsaaudio.PCM method)</a>
</li> </li>
<li><a href="libalsaaudio.html#alsaaudio.Mixer.setrec">setrec() (alsaaudio.Mixer method)</a> <li><a href="libalsaaudio.html#alsaaudio.Mixer.setrec">setrec() (alsaaudio.Mixer method)</a>
@@ -215,7 +230,7 @@
<h3>Navigation</h3> <h3>Navigation</h3>
<p class="caption"><span class="caption-text">Contents:</span></p> <p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
<ul> <ul>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li>
@@ -236,7 +251,7 @@
<h3 id="searchlabel">Quick search</h3> <h3 id="searchlabel">Quick search</h3>
<div class="searchformwrapper"> <div class="searchformwrapper">
<form class="search" action="search.html" method="get"> <form class="search" action="search.html" method="get">
<input type="text" name="q" aria-labelledby="searchlabel" /> <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
<input type="submit" value="Go" /> <input type="submit" value="Go" />
</form> </form>
</div> </div>
@@ -258,7 +273,7 @@
&copy;2017, Lars Immisch & Casper Wilstrup. &copy;2017, Lars Immisch & Casper Wilstrup.
| |
Powered by <a href="http://sphinx-doc.org/">Sphinx 3.1.2</a> Powered by <a href="http://sphinx-doc.org/">Sphinx 4.5.0</a>
&amp; <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.12</a> &amp; <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.12</a>
</div> </div>
index.html
+18 -18
View File
@@ -4,15 +4,15 @@
<html> <html>
<head> <head>
<meta charset="utf-8" /> <meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<title>alsaaudio documentation &#8212; alsaaudio documentation 0.9.0 documentation</title>
<link rel="stylesheet" href="_static/alabaster.css" type="text/css" /> <title>alsaaudio documentation &#8212; alsaaudio documentation 0.9.1 documentation</title>
<link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
<script id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script> <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
<script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
<script src="_static/jquery.js"></script> <script src="_static/jquery.js"></script>
<script src="_static/underscore.js"></script> <script src="_static/underscore.js"></script>
<script src="_static/doctools.js"></script> <script src="_static/doctools.js"></script>
<script src="_static/language_data.js"></script>
<link rel="index" title="Index" href="genindex.html" /> <link rel="index" title="Index" href="genindex.html" />
<link rel="search" title="Search" href="search.html" /> <link rel="search" title="Search" href="search.html" />
<link rel="next" title="Introduction" href="pyalsaaudio.html" /> <link rel="next" title="Introduction" href="pyalsaaudio.html" />
@@ -32,10 +32,10 @@
<div class="body" role="main"> <div class="body" role="main">
<div class="section" id="alsaaudio-documentation"> <section id="alsaaudio-documentation">
<h1>alsaaudio documentation<a class="headerlink" href="#alsaaudio-documentation" title="Permalink to this headline"></a></h1> <h1>alsaaudio documentation<a class="headerlink" href="#alsaaudio-documentation" title="Permalink to this headline"></a></h1>
<div class="toctree-wrapper compound"> <div class="toctree-wrapper compound">
<p class="caption"><span class="caption-text">Contents:</span></p> <p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
<ul> <ul>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a><ul> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a><ul>
@@ -53,28 +53,28 @@
</li> </li>
</ul> </ul>
</div> </div>
</div> </section>
<div class="section" id="download"> <section id="download">
<h1>Download<a class="headerlink" href="#download" title="Permalink to this headline"></a></h1> <h1>Download<a class="headerlink" href="#download" title="Permalink to this headline"></a></h1>
<ul class="simple"> <ul class="simple">
<li><p><a class="reference external" href="https://pypi.python.org/pypi/pyalsaaudio">Download from pypi</a></p></li> <li><p><a class="reference external" href="https://pypi.python.org/pypi/pyalsaaudio">Download from pypi</a></p></li>
</ul> </ul>
</div> </section>
<div class="section" id="github"> <section id="github">
<h1>Github<a class="headerlink" href="#github" title="Permalink to this headline"></a></h1> <h1>Github<a class="headerlink" href="#github" title="Permalink to this headline"></a></h1>
<ul class="simple"> <ul class="simple">
<li><p><a class="reference external" href="https://github.com/larsimmisch/pyalsaaudio/">Repository</a></p></li> <li><p><a class="reference external" href="https://github.com/larsimmisch/pyalsaaudio/">Repository</a></p></li>
<li><p><a class="reference external" href="https://github.com/larsimmisch/pyalsaaudio/issues">Bug tracker</a></p></li> <li><p><a class="reference external" href="https://github.com/larsimmisch/pyalsaaudio/issues">Bug tracker</a></p></li>
</ul> </ul>
</div> </section>
<div class="section" id="indices-and-tables"> <section id="indices-and-tables">
<h1>Indices and tables<a class="headerlink" href="#indices-and-tables" title="Permalink to this headline"></a></h1> <h1>Indices and tables<a class="headerlink" href="#indices-and-tables" title="Permalink to this headline"></a></h1>
<ul class="simple"> <ul class="simple">
<li><p><a class="reference internal" href="genindex.html"><span class="std std-ref">Index</span></a></p></li> <li><p><a class="reference internal" href="genindex.html"><span class="std std-ref">Index</span></a></p></li>
<li><p><a class="reference internal" href="py-modindex.html"><span class="std std-ref">Module Index</span></a></p></li> <li><p><a class="reference internal" href="py-modindex.html"><span class="std std-ref">Module Index</span></a></p></li>
<li><p><a class="reference internal" href="search.html"><span class="std std-ref">Search Page</span></a></p></li> <li><p><a class="reference internal" href="search.html"><span class="std std-ref">Search Page</span></a></p></li>
</ul> </ul>
</div> </section>
</div> </div>
@@ -93,7 +93,7 @@
<h3>Navigation</h3> <h3>Navigation</h3>
<p class="caption"><span class="caption-text">Contents:</span></p> <p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
<ul> <ul>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li>
@@ -115,7 +115,7 @@
<h3 id="searchlabel">Quick search</h3> <h3 id="searchlabel">Quick search</h3>
<div class="searchformwrapper"> <div class="searchformwrapper">
<form class="search" action="search.html" method="get"> <form class="search" action="search.html" method="get">
<input type="text" name="q" aria-labelledby="searchlabel" /> <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
<input type="submit" value="Go" /> <input type="submit" value="Go" />
</form> </form>
</div> </div>
@@ -137,7 +137,7 @@
&copy;2017, Lars Immisch & Casper Wilstrup. &copy;2017, Lars Immisch & Casper Wilstrup.
| |
Powered by <a href="http://sphinx-doc.org/">Sphinx 3.1.2</a> Powered by <a href="http://sphinx-doc.org/">Sphinx 4.5.0</a>
&amp; <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.12</a> &amp; <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.12</a>
| |
libalsaaudio.html
+179 -90
View File
@@ -4,15 +4,15 @@
<html> <html>
<head> <head>
<meta charset="utf-8" /> <meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<title>alsaaudio &#8212; alsaaudio documentation 0.9.0 documentation</title>
<link rel="stylesheet" href="_static/alabaster.css" type="text/css" /> <title>alsaaudio &#8212; alsaaudio documentation 0.9.1 documentation</title>
<link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
<script id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script> <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
<script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
<script src="_static/jquery.js"></script> <script src="_static/jquery.js"></script>
<script src="_static/underscore.js"></script> <script src="_static/underscore.js"></script>
<script src="_static/doctools.js"></script> <script src="_static/doctools.js"></script>
<script src="_static/language_data.js"></script>
<link rel="index" title="Index" href="genindex.html" /> <link rel="index" title="Index" href="genindex.html" />
<link rel="search" title="Search" href="search.html" /> <link rel="search" title="Search" href="search.html" />
<link rel="prev" title="PCM Terminology and Concepts" href="terminology.html" /> <link rel="prev" title="PCM Terminology and Concepts" href="terminology.html" />
@@ -32,16 +32,16 @@
<div class="body" role="main"> <div class="body" role="main">
<div class="section" id="module-alsaaudio"> <section id="module-alsaaudio">
<span id="alsaaudio"></span><h1><a class="reference internal" href="#module-alsaaudio" title="alsaaudio (Linux)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">alsaaudio</span></code></a><a class="headerlink" href="#module-alsaaudio" title="Permalink to this headline"></a></h1> <span id="alsaaudio"></span><h1><a class="reference internal" href="#module-alsaaudio" title="alsaaudio (Linux)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">alsaaudio</span></code></a><a class="headerlink" href="#module-alsaaudio" title="Permalink to this headline"></a></h1>
<p>The <a class="reference internal" href="#module-alsaaudio" title="alsaaudio (Linux)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">alsaaudio</span></code></a> module defines functions and classes for using ALSA.</p> <p>The <a class="reference internal" href="#module-alsaaudio" title="alsaaudio (Linux)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">alsaaudio</span></code></a> module defines functions and classes for using ALSA.</p>
<dl class="py function"> <dl class="py function">
<dt id="alsaaudio.pcms"> <dt class="sig sig-object py" id="alsaaudio.pcms">
<code class="sig-prename descclassname">alsaaudio.</code><code class="sig-name descname">pcms</code><span class="sig-paren">(</span><span class="optional">[</span><em class="sig-param">type=PCM_PLAYBACK</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.pcms" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">alsaaudio.</span></span><span class="sig-name descname"><span class="pre">pcms</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pcmtype</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">PCM_PLAYBACK</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.pcms" title="Permalink to this definition"></a></dt>
<dd><p>List available PCM devices by name.</p> <dd><p>List available PCM devices by name.</p>
<p>Arguments are:</p> <p>Arguments are:</p>
<ul class="simple"> <ul class="simple">
<li><p><em>type</em> - can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code> or <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> <li><p><em>pcmtype</em> - can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code> or <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code>
(default).</p></li> (default).</p></li>
</ul> </ul>
<p><strong>Note:</strong></p> <p><strong>Note:</strong></p>
@@ -60,16 +60,16 @@ commandline:</p>
</dd></dl> </dd></dl>
<dl class="py function"> <dl class="py function">
<dt id="alsaaudio.cards"> <dt class="sig sig-object py" id="alsaaudio.cards">
<code class="sig-prename descclassname">alsaaudio.</code><code class="sig-name descname">cards</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.cards" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">alsaaudio.</span></span><span class="sig-name descname"><span class="pre">cards</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.cards" title="Permalink to this definition"></a></dt>
<dd><p>List the available ALSA cards by name. This function is only moderately <dd><p>List the available ALSA cards by name. This function is only moderately
useful. If you want to see a list of available PCM devices, use <a class="reference internal" href="#alsaaudio.pcms" title="alsaaudio.pcms"><code class="xref py py-func docutils literal notranslate"><span class="pre">pcms()</span></code></a> useful. If you want to see a list of available PCM devices, use <a class="reference internal" href="#alsaaudio.pcms" title="alsaaudio.pcms"><code class="xref py py-func docutils literal notranslate"><span class="pre">pcms()</span></code></a>
instead.</p> instead.</p>
</dd></dl> </dd></dl>
<dl class="py function"> <dl class="py function">
<dt id="alsaaudio.mixers"> <dt class="sig sig-object py" id="alsaaudio.mixers">
<code class="sig-prename descclassname">alsaaudio.</code><code class="sig-name descname">mixers</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">cardindex</span><span class="o">=</span><span class="default_value">- 1</span></em>, <em class="sig-param"><span class="n">device</span><span class="o">=</span><span class="default_value">'default'</span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.mixers" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">alsaaudio.</span></span><span class="sig-name descname"><span class="pre">mixers</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cardindex</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-</span> <span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">device</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'default'</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.mixers" title="Permalink to this definition"></a></dt>
<dd><p>List the available mixers. The arguments are:</p> <dd><p>List the available mixers. The arguments are:</p>
<ul class="simple"> <ul class="simple">
<li><p><em>cardindex</em> - the card index. If this argument is given, the device name <li><p><em>cardindex</em> - the card index. If this argument is given, the device name
@@ -103,14 +103,20 @@ device, not the mixers for the first card.</p></li>
</ul> </ul>
</dd></dl> </dd></dl>
<div class="section" id="pcm-objects"> <dl class="py function">
<dt class="sig sig-object py" id="alsaaudio.asoundlib_version">
<span class="sig-prename descclassname"><span class="pre">alsaaudio.</span></span><span class="sig-name descname"><span class="pre">asoundlib_version</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.asoundlib_version" title="Permalink to this definition"></a></dt>
<dd><p>Return a Python string containing the ALSA version found.</p>
</dd></dl>
<section id="pcm-objects">
<span id="id1"></span><h2>PCM Objects<a class="headerlink" href="#pcm-objects" title="Permalink to this headline"></a></h2> <span id="id1"></span><h2>PCM Objects<a class="headerlink" href="#pcm-objects" title="Permalink to this headline"></a></h2>
<p>PCM objects in <a class="reference internal" href="#module-alsaaudio" title="alsaaudio (Linux)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">alsaaudio</span></code></a> can play or capture (record) PCM <p>PCM objects in <a class="reference internal" href="#module-alsaaudio" title="alsaaudio (Linux)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">alsaaudio</span></code></a> can play or capture (record) PCM
sound through speakers or a microphone. The PCM constructor takes the sound through speakers or a microphone. The PCM constructor takes the
following arguments:</p> following arguments:</p>
<dl class="py class"> <dl class="py class">
<dt id="alsaaudio.PCM"> <dt class="sig sig-object py" id="alsaaudio.PCM">
<em class="property">class </em><code class="sig-prename descclassname">alsaaudio.</code><code class="sig-name descname">PCM</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">type</span><span class="o">=</span><span class="default_value">PCM_PLAYBACK</span></em>, <em class="sig-param"><span class="n">mode</span><span class="o">=</span><span class="default_value">PCM_NORMAL</span></em>, <em class="sig-param"><span class="n">rate</span><span class="o">=</span><span class="default_value">44100</span></em>, <em class="sig-param"><span class="n">channels</span><span class="o">=</span><span class="default_value">2</span></em>, <em class="sig-param"><span class="n">format</span><span class="o">=</span><span class="default_value">PCM_FORMAT_S16_LE</span></em>, <em class="sig-param"><span class="n">periodsize</span><span class="o">=</span><span class="default_value">32</span></em>, <em class="sig-param"><span class="n">device</span><span class="o">=</span><span class="default_value">'default'</span></em>, <em class="sig-param"><span class="n">cardindex</span><span class="o">=</span><span class="default_value">- 1</span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM" title="Permalink to this definition"></a></dt> <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">alsaaudio.</span></span><span class="sig-name descname"><span class="pre">PCM</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">type</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">PCM_PLAYBACK</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">PCM_NORMAL</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rate</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">44100</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">channels</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">2</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">format</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">PCM_FORMAT_S16_LE</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">periodsize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">32</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">device</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'default'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">cardindex</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-</span> <span class="pre">1</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM" title="Permalink to this definition"></a></dt>
<dd><p>This class is used to represent a PCM device (either for playback and <dd><p>This class is used to represent a PCM device (either for playback and
recording). The arguments are:</p> recording). The arguments are:</p>
<ul class="simple"> <ul class="simple">
@@ -244,60 +250,60 @@ name of the card. This was always fragile and broke some legitimate usecases.</p
<p>PCM objects have the following methods:</p> <p>PCM objects have the following methods:</p>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.pcmtype"> <dt class="sig sig-object py" id="alsaaudio.PCM.pcmtype">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">pcmtype</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.pcmtype" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">pcmtype</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.pcmtype" title="Permalink to this definition"></a></dt>
<dd><p>Returns the type of PCM object. Either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code> or <dd><p>Returns the type of PCM object. Either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code> or
<code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code>.</p> <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code>.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.pcmmode"> <dt class="sig sig-object py" id="alsaaudio.PCM.pcmmode">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">pcmmode</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.pcmmode" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">pcmmode</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.pcmmode" title="Permalink to this definition"></a></dt>
<dd><p>Return the mode of the PCM object. One of <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_NONBLOCK</span></code>, <dd><p>Return the mode of the PCM object. One of <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_NONBLOCK</span></code>,
<code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_ASYNC</span></code>, or <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_NORMAL</span></code></p> <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_ASYNC</span></code>, or <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_NORMAL</span></code></p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.cardname"> <dt class="sig sig-object py" id="alsaaudio.PCM.cardname">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">cardname</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.cardname" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">cardname</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.cardname" title="Permalink to this definition"></a></dt>
<dd><p>Return the name of the sound card used by this PCM object.</p> <dd><p>Return the name of the sound card used by this PCM object.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.setchannels"> <dt class="sig sig-object py" id="alsaaudio.PCM.setchannels">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">setchannels</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">nchannels</span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.setchannels" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">setchannels</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">nchannels</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.setchannels" title="Permalink to this definition"></a></dt>
<dd><div class="deprecated"> <dd><div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 0.9: </span>Use the <cite>channels</cite> named argument to <a class="reference internal" href="#alsaaudio.PCM" title="alsaaudio.PCM"><code class="xref py py-func docutils literal notranslate"><span class="pre">PCM()</span></code></a>.</p> <p><span class="versionmodified deprecated">Deprecated since version 0.9: </span>Use the <cite>channels</cite> named argument to <a class="reference internal" href="#alsaaudio.PCM" title="alsaaudio.PCM"><code class="xref py py-func docutils literal notranslate"><span class="pre">PCM()</span></code></a>.</p>
</div> </div>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.setrate"> <dt class="sig sig-object py" id="alsaaudio.PCM.setrate">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">setrate</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">rate</span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.setrate" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">setrate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">rate</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.setrate" title="Permalink to this definition"></a></dt>
<dd><div class="deprecated"> <dd><div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 0.9: </span>Use the <cite>rate</cite> named argument to <a class="reference internal" href="#alsaaudio.PCM" title="alsaaudio.PCM"><code class="xref py py-func docutils literal notranslate"><span class="pre">PCM()</span></code></a>.</p> <p><span class="versionmodified deprecated">Deprecated since version 0.9: </span>Use the <cite>rate</cite> named argument to <a class="reference internal" href="#alsaaudio.PCM" title="alsaaudio.PCM"><code class="xref py py-func docutils literal notranslate"><span class="pre">PCM()</span></code></a>.</p>
</div> </div>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.setformat"> <dt class="sig sig-object py" id="alsaaudio.PCM.setformat">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">setformat</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">format</span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.setformat" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">setformat</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">format</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.setformat" title="Permalink to this definition"></a></dt>
<dd><div class="deprecated"> <dd><div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 0.9: </span>Use the <cite>format</cite> named argument to <a class="reference internal" href="#alsaaudio.PCM" title="alsaaudio.PCM"><code class="xref py py-func docutils literal notranslate"><span class="pre">PCM()</span></code></a>.</p> <p><span class="versionmodified deprecated">Deprecated since version 0.9: </span>Use the <cite>format</cite> named argument to <a class="reference internal" href="#alsaaudio.PCM" title="alsaaudio.PCM"><code class="xref py py-func docutils literal notranslate"><span class="pre">PCM()</span></code></a>.</p>
</div> </div>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.setperiodsize"> <dt class="sig sig-object py" id="alsaaudio.PCM.setperiodsize">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">setperiodsize</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">period</span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.setperiodsize" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">setperiodsize</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">period</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.setperiodsize" title="Permalink to this definition"></a></dt>
<dd><div class="deprecated"> <dd><div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 0.9: </span>Use the <cite>periodsize</cite> named argument to <a class="reference internal" href="#alsaaudio.PCM" title="alsaaudio.PCM"><code class="xref py py-func docutils literal notranslate"><span class="pre">PCM()</span></code></a>.</p> <p><span class="versionmodified deprecated">Deprecated since version 0.9: </span>Use the <cite>periodsize</cite> named argument to <a class="reference internal" href="#alsaaudio.PCM" title="alsaaudio.PCM"><code class="xref py py-func docutils literal notranslate"><span class="pre">PCM()</span></code></a>.</p>
</div> </div>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.read"> <dt class="sig sig-object py" id="alsaaudio.PCM.read">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">read</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.read" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.read" title="Permalink to this definition"></a></dt>
<dd><p>In <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_NORMAL</span></code> mode, this function blocks until a full period is <dd><p>In <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_NORMAL</span></code> mode, this function blocks until a full period is
available, and then returns a tuple (length,data) where <em>length</em> is available, and then returns a tuple (length,data) where <em>length</em> is
the number of frames of captured data, and <em>data</em> is the captured the number of frames of captured data, and <em>data</em> is the captured
@@ -312,8 +318,8 @@ Try using a larger periodsize.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.write"> <dt class="sig sig-object py" id="alsaaudio.PCM.write">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">write</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">data</span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.write" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">write</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">data</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.write" title="Permalink to this definition"></a></dt>
<dd><p>Writes (plays) the sound in data. The length of data <em>must</em> be a <dd><p>Writes (plays) the sound in data. The length of data <em>must</em> be a
multiple of the frame size, and <em>should</em> be exactly the size of a multiple of the frame size, and <em>should</em> be exactly the size of a
period. If less than ‘period size’ frames are provided, the actual period. If less than ‘period size’ frames are provided, the actual
@@ -328,21 +334,104 @@ should be written at a later time.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.pause"> <dt class="sig sig-object py" id="alsaaudio.PCM.pause">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">pause</code><span class="sig-paren">(</span><span class="optional">[</span><em class="sig-param">enable=True</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.pause" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">pause</span></span><span class="sig-paren">(</span><span class="optional">[</span><em class="sig-param"><span class="n"><span class="pre">enable=True</span></span></em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.pause" title="Permalink to this definition"></a></dt>
<dd><p>If <em>enable</em> is <code class="xref py py-const docutils literal notranslate"><span class="pre">True</span></code>, playback or capture is paused. <dd><p>If <em>enable</em> is <code class="xref py py-const docutils literal notranslate"><span class="pre">True</span></code>, playback or capture is paused.
Otherwise, playback/capture is resumed.</p> Otherwise, playback/capture is resumed.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.PCM.polldescriptors"> <dt class="sig sig-object py" id="alsaaudio.PCM.polldescriptors">
<code class="sig-prename descclassname">PCM.</code><code class="sig-name descname">polldescriptors</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.polldescriptors" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">polldescriptors</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.polldescriptors" title="Permalink to this definition"></a></dt>
<dd><p>Returns a tuple of <em>(file descriptor, eventmask)</em> that can be used to <dd><p>Returns a tuple of <em>(file descriptor, eventmask)</em> that can be used to
wait for changes on the mixer with <em>select.poll</em>.</p> wait for changes on the PCM with <em>select.poll</em>.</p>
<p>The <em>eventmask</em> value is compatible with <a class="reference external" href="http://docs.python.org/library/select.html#poll-objects">poll.register</a> in the Python <p>The <em>eventmask</em> value is compatible with <a class="reference external" href="http://docs.python.org/library/select.html#poll-objects">poll.register</a> in the Python
<code class="xref py py-const docutils literal notranslate"><span class="pre">select</span></code> module.</p> <code class="xref py py-const docutils literal notranslate"><span class="pre">select</span></code> module.</p>
</dd></dl> </dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="alsaaudio.PCM.set_tstamp_mode">
<span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">set_tstamp_mode</span></span><span class="sig-paren">(</span><span class="optional">[</span><em class="sig-param"><span class="n"><span class="pre">mode=PCM_TSTAMP_ENABLE</span></span></em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.set_tstamp_mode" title="Permalink to this definition"></a></dt>
<dd><p>Set the ALSA timestamp mode on the device. The mode argument can be set to
either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_NONE</span></code> or <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_ENABLE</span></code>.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="alsaaudio.PCM.get_tstamp_mode">
<span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">get_tstamp_mode</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.get_tstamp_mode" title="Permalink to this definition"></a></dt>
<dd><p>Return the integer value corresponding to the ALSA timestamp mode. The
return value can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_NONE</span></code> or <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_ENABLE</span></code>.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="alsaaudio.PCM.set_tstamp_type">
<span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">set_tstamp_type</span></span><span class="sig-paren">(</span><span class="optional">[</span><em class="sig-param"><span class="n"><span class="pre">type=PCM_TSTAMP_TYPE_GETTIMEOFDAY</span></span></em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.set_tstamp_type" title="Permalink to this definition"></a></dt>
<dd><p>Set the ALSA timestamp mode on the device. The type argument
can be set to either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_TYPE_GETTIMEOFDAY</span></code>,
<code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_TYPE_MONOTONIC</span></code> or <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_TYPE_MONOTONIC_RAW</span></code>.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="alsaaudio.PCM.get_tstamp_type">
<span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">get_tstamp_type</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.get_tstamp_type" title="Permalink to this definition"></a></dt>
<dd><p>Return the integer value corresponding to the ALSA timestamp type. The
return value can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_TYPE_GETTIMEOFDAY</span></code>,
<code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_TYPE_MONOTONIC</span></code> or <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_TSTAMP_TYPE_MONOTONIC_RAW</span></code>.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="alsaaudio.PCM.htimestamp">
<span class="sig-prename descclassname"><span class="pre">PCM.</span></span><span class="sig-name descname"><span class="pre">htimestamp</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.PCM.htimestamp" title="Permalink to this definition"></a></dt>
<dd><p>Return a Python tuple <em>(seconds, nanoseconds, frames_available_in_buffer)</em>.</p>
<p>The type of output is controlled by the tstamp_type, as described in the table below.</p>
<table class="docutils align-default">
<colgroup>
<col style="width: 43%" />
<col style="width: 57%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Timestamp Type</p></th>
<th class="head"><p>Description</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">PCM_TSTAMP_TYPE_GETTIMEOFDAY</span></code></p></td>
<td><p>System-wide realtime clock with seconds
since epoch.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">PCM_TSTAMP_TYPE_MONOTONIC</span></code></p></td>
<td><p>Monotonic time from an unspecified starting
time. Progress is NTP synchronized.</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">PCM_TSTAMP_TYPE_MONOTONIC_RAW</span></code></p></td>
<td><p>Monotonic time from an unspecified starting
time using only the system clock.</p></td>
</tr>
</tbody>
</table>
<p>The timestamp mode is controlled by the tstamp_mode, as described in the table below.</p>
<table class="docutils align-default">
<colgroup>
<col style="width: 43%" />
<col style="width: 57%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Timestamp Mode</p></th>
<th class="head"><p>Description</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">PCM_TSTAMP_NONE</span></code></p></td>
<td><p>No timestamp.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">PCM_TSTAMP_ENABLE</span></code></p></td>
<td><p>Update timestamp at every hardware position
update.</p></td>
</tr>
</tbody>
</table>
</dd></dl>
<p><strong>A few hints on using PCM devices for playback</strong></p> <p><strong>A few hints on using PCM devices for playback</strong></p>
<p>The most common reason for problems with playback of PCM audio is that writes <p>The most common reason for problems with playback of PCM audio is that writes
to PCM devices must <em>exactly</em> match the data rate of the device.</p> to PCM devices must <em>exactly</em> match the data rate of the device.</p>
@@ -364,13 +453,13 @@ accummulate time delays: If you set the timer to expire after 1/10’th
of a second, the actual timeout will happen slightly later, which will of a second, the actual timeout will happen slightly later, which will
accumulate to quite a lot after a few seconds. Hint: use time.time() accumulate to quite a lot after a few seconds. Hint: use time.time()
to check how much time has really passed, and add extra writes as nessecary.</p> to check how much time has really passed, and add extra writes as nessecary.</p>
</div> </section>
<div class="section" id="mixer-objects"> <section id="mixer-objects">
<span id="id3"></span><h2>Mixer Objects<a class="headerlink" href="#mixer-objects" title="Permalink to this headline"></a></h2> <span id="id3"></span><h2>Mixer Objects<a class="headerlink" href="#mixer-objects" title="Permalink to this headline"></a></h2>
<p>Mixer objects provides access to the ALSA mixer API.</p> <p>Mixer objects provides access to the ALSA mixer API.</p>
<dl class="py class"> <dl class="py class">
<dt id="alsaaudio.Mixer"> <dt class="sig sig-object py" id="alsaaudio.Mixer">
<em class="property">class </em><code class="sig-prename descclassname">alsaaudio.</code><code class="sig-name descname">Mixer</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">control</span><span class="o">=</span><span class="default_value">'Master'</span></em>, <em class="sig-param"><span class="n">id</span><span class="o">=</span><span class="default_value">0</span></em>, <em class="sig-param"><span class="n">cardindex</span><span class="o">=</span><span class="default_value">- 1</span></em>, <em class="sig-param"><span class="n">device</span><span class="o">=</span><span class="default_value">'default'</span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer" title="Permalink to this definition"></a></dt> <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">alsaaudio.</span></span><span class="sig-name descname"><span class="pre">Mixer</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">control</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'Master'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">id</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">cardindex</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-</span> <span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">device</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'default'</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer" title="Permalink to this definition"></a></dt>
<dd><p>Arguments are:</p> <dd><p>Arguments are:</p>
<ul class="simple"> <ul class="simple">
<li><p><em>control</em> - specifies which control to manipulate using this mixer <li><p><em>control</em> - specifies which control to manipulate using this mixer
@@ -395,27 +484,27 @@ devices.</p></li>
<p>Mixer objects have the following methods:</p> <p>Mixer objects have the following methods:</p>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.cardname"> <dt class="sig sig-object py" id="alsaaudio.Mixer.cardname">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">cardname</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.cardname" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">cardname</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.cardname" title="Permalink to this definition"></a></dt>
<dd><p>Return the name of the sound card used by this Mixer object</p> <dd><p>Return the name of the sound card used by this Mixer object</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.mixer"> <dt class="sig sig-object py" id="alsaaudio.Mixer.mixer">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">mixer</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.mixer" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">mixer</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.mixer" title="Permalink to this definition"></a></dt>
<dd><p>Return the name of the specific mixer controlled by this object, For example <dd><p>Return the name of the specific mixer controlled by this object, For example
<code class="docutils literal notranslate"><span class="pre">'Master'</span></code> or <code class="docutils literal notranslate"><span class="pre">'PCM'</span></code></p> <code class="docutils literal notranslate"><span class="pre">'Master'</span></code> or <code class="docutils literal notranslate"><span class="pre">'PCM'</span></code></p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.mixerid"> <dt class="sig sig-object py" id="alsaaudio.Mixer.mixerid">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">mixerid</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.mixerid" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">mixerid</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.mixerid" title="Permalink to this definition"></a></dt>
<dd><p>Return the ID of the ALSA mixer controlled by this object.</p> <dd><p>Return the ID of the ALSA mixer controlled by this object.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.switchcap"> <dt class="sig sig-object py" id="alsaaudio.Mixer.switchcap">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">switchcap</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.switchcap" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">switchcap</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.switchcap" title="Permalink to this definition"></a></dt>
<dd><p>Returns a list of the switches which are defined by this specific mixer. <dd><p>Returns a list of the switches which are defined by this specific mixer.
Possible values in this list are:</p> Possible values in this list are:</p>
<table class="docutils align-default"> <table class="docutils align-default">
@@ -457,8 +546,8 @@ Possible values in this list are:</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.volumecap"> <dt class="sig sig-object py" id="alsaaudio.Mixer.volumecap">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">volumecap</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.volumecap" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">volumecap</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.volumecap" title="Permalink to this definition"></a></dt>
<dd><p>Returns a list of the volume control capabilities of this <dd><p>Returns a list of the volume control capabilities of this
mixer. Possible values in the list are:</p> mixer. Possible values in the list are:</p>
<table class="docutils align-default"> <table class="docutils align-default">
@@ -495,8 +584,8 @@ mixer. Possible values in the list are:</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.getenum"> <dt class="sig sig-object py" id="alsaaudio.Mixer.getenum">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">getenum</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getenum" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">getenum</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getenum" title="Permalink to this definition"></a></dt>
<dd><p>For enumerated controls, return the currently selected item and the list of <dd><p>For enumerated controls, return the currently selected item and the list of
items available.</p> items available.</p>
<p>Returns a tuple <em>(string, list of strings)</em>.</p> <p>Returns a tuple <em>(string, list of strings)</em>.</p>
@@ -521,59 +610,59 @@ control.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.getmute"> <dt class="sig sig-object py" id="alsaaudio.Mixer.getmute">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">getmute</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getmute" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">getmute</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getmute" title="Permalink to this definition"></a></dt>
<dd><p>Return a list indicating the current mute setting for each <dd><p>Return a list indicating the current mute setting for each
channel. 0 means not muted, 1 means muted.</p> channel. 0 means not muted, 1 means muted.</p>
<p>This method will fail if the mixer has no playback switch capabilities.</p> <p>This method will fail if the mixer has no playback switch capabilities.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.getrange"> <dt class="sig sig-object py" id="alsaaudio.Mixer.getrange">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">getrange</code><span class="sig-paren">(</span><span class="optional">[</span><em class="sig-param">direction</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getrange" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">getrange</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pcmtype</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">PCM_PLAYBACK</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getrange" title="Permalink to this definition"></a></dt>
<dd><p>Return the volume range of the ALSA mixer controlled by this object.</p> <dd><p>Return the volume range of the ALSA mixer controlled by this object.</p>
<p>The optional <em>direction</em> argument can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> or <p>The optional <em>pcmtype</em> argument can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> or
<code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>, which is relevant if the mixer can control both <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>, which is relevant if the mixer can control both
playback and capture volume. The default value is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> playback and capture volume. The default value is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code>
if the mixer has playback channels, otherwise it is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>.</p> if the mixer has playback channels, otherwise it is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.getrec"> <dt class="sig sig-object py" id="alsaaudio.Mixer.getrec">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">getrec</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getrec" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">getrec</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getrec" title="Permalink to this definition"></a></dt>
<dd><p>Return a list indicating the current record mute setting for each channel. 0 <dd><p>Return a list indicating the current record mute setting for each channel. 0
means not recording, 1 means recording.</p> means not recording, 1 means recording.</p>
<p>This method will fail if the mixer has no capture switch capabilities.</p> <p>This method will fail if the mixer has no capture switch capabilities.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.getvolume"> <dt class="sig sig-object py" id="alsaaudio.Mixer.getvolume">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">getvolume</code><span class="sig-paren">(</span><span class="optional">[</span><em class="sig-param">direction</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getvolume" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">getvolume</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pcmtype</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">PCM_PLAYBACK</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.getvolume" title="Permalink to this definition"></a></dt>
<dd><p>Returns a list with the current volume settings for each channel. The list <dd><p>Returns a list with the current volume settings for each channel. The list
elements are integer percentages.</p> elements are integer percentages.</p>
<p>The optional <em>direction</em> argument can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> or <p>The optional <em>pcmtype</em> argument can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> or
<code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>, which is relevant if the mixer can control both <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>, which is relevant if the mixer can control both
playback and capture volume. The default value is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> playback and capture volume. The default value is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code>
if the mixer has playback channels, otherwise it is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>.</p> if the mixer has playback channels, otherwise it is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.setvolume"> <dt class="sig sig-object py" id="alsaaudio.Mixer.setvolume">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">setvolume</code><span class="sig-paren">(</span><em class="sig-param">volume</em><span class="optional">[</span>, <em class="sig-param">channel</em><span class="optional">]</span><span class="optional">[</span>, <em class="sig-param">direction</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.setvolume" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">setvolume</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">volume</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">channel</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pcmtype</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">PCM_PLAYBACK</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.setvolume" title="Permalink to this definition"></a></dt>
<dd><p>Change the current volume settings for this mixer. The <em>volume</em> argument <dd><p>Change the current volume settings for this mixer. The <em>volume</em> argument
controls the new volume setting as an integer percentage.</p> controls the new volume setting as an integer percentage.</p>
<p>If the optional argument <em>channel</em> is present, the volume is set <p>If the optional argument <em>channel</em> is present, the volume is set
only for this channel. This assumes that the mixer can control the only for this channel. This assumes that the mixer can control the
volume for the channels independently.</p> volume for the channels independently.</p>
<p>The optional <em>direction</em> argument can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> or <p>The optional <em>pcmtype</em> argument can be either <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> or
<code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>, which is relevant if the mixer can control both <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>, which is relevant if the mixer can control both
playback and capture volume. The default value is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code> playback and capture volume. The default value is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_PLAYBACK</span></code>
if the mixer has playback channels, otherwise it is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>.</p> if the mixer has playback channels, otherwise it is <code class="xref py py-const docutils literal notranslate"><span class="pre">PCM_CAPTURE</span></code>.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.setmute"> <dt class="sig sig-object py" id="alsaaudio.Mixer.setmute">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">setmute</code><span class="sig-paren">(</span><em class="sig-param">mute</em><span class="optional">[</span>, <em class="sig-param">channel</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.setmute" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">setmute</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mute</span></span></em><span class="optional">[</span>, <em class="sig-param"><span class="n"><span class="pre">channel</span></span></em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.setmute" title="Permalink to this definition"></a></dt>
<dd><p>Sets the mute flag to a new value. The <em>mute</em> argument is either 0 for not <dd><p>Sets the mute flag to a new value. The <em>mute</em> argument is either 0 for not
muted, or 1 for muted.</p> muted, or 1 for muted.</p>
<p>The optional <em>channel</em> argument controls which channel is <p>The optional <em>channel</em> argument controls which channel is
@@ -582,8 +671,8 @@ muted. The default is to set the mute flag for all channels.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.setrec"> <dt class="sig sig-object py" id="alsaaudio.Mixer.setrec">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">setrec</code><span class="sig-paren">(</span><em class="sig-param">capture</em><span class="optional">[</span>, <em class="sig-param">channel</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.setrec" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">setrec</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">capture</span></span></em><span class="optional">[</span>, <em class="sig-param"><span class="n"><span class="pre">channel</span></span></em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.setrec" title="Permalink to this definition"></a></dt>
<dd><p>Sets the capture mute flag to a new value. The <em>capture</em> argument <dd><p>Sets the capture mute flag to a new value. The <em>capture</em> argument
is either 0 for no capture, or 1 for capture.</p> is either 0 for no capture, or 1 for capture.</p>
<p>The optional <em>channel</em> argument controls which channel is <p>The optional <em>channel</em> argument controls which channel is
@@ -592,8 +681,8 @@ changed. The default is to set the capture flag for all channels.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.polldescriptors"> <dt class="sig sig-object py" id="alsaaudio.Mixer.polldescriptors">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">polldescriptors</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.polldescriptors" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">polldescriptors</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.polldescriptors" title="Permalink to this definition"></a></dt>
<dd><p>Returns a tuple of <em>(file descriptor, eventmask)</em> that can be used to <dd><p>Returns a tuple of <em>(file descriptor, eventmask)</em> that can be used to
wait for changes on the mixer with <em>select.poll</em>.</p> wait for changes on the mixer with <em>select.poll</em>.</p>
<p>The <em>eventmask</em> value is compatible with <a class="reference external" href="http://docs.python.org/library/select.html#poll-objects">poll.register</a> in the Python <p>The <em>eventmask</em> value is compatible with <a class="reference external" href="http://docs.python.org/library/select.html#poll-objects">poll.register</a> in the Python
@@ -601,8 +690,8 @@ wait for changes on the mixer with <em>select.poll</em>.</p>
</dd></dl> </dd></dl>
<dl class="py method"> <dl class="py method">
<dt id="alsaaudio.Mixer.handleevents"> <dt class="sig sig-object py" id="alsaaudio.Mixer.handleevents">
<code class="sig-prename descclassname">Mixer.</code><code class="sig-name descname">handleevents</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.handleevents" title="Permalink to this definition"></a></dt> <span class="sig-prename descclassname"><span class="pre">Mixer.</span></span><span class="sig-name descname"><span class="pre">handleevents</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#alsaaudio.Mixer.handleevents" title="Permalink to this definition"></a></dt>
<dd><p>Acknowledge events on the <em>polldescriptors</em> file descriptors <dd><p>Acknowledge events on the <em>polldescriptors</em> file descriptors
to prevent subsequent polls from returning the same events again. to prevent subsequent polls from returning the same events again.
Returns the number of events that were acknowledged.</p> Returns the number of events that were acknowledged.</p>
@@ -625,8 +714,8 @@ the availability of ALSA mixer capable devices will stay quite limited.</p>
<p>Unfortunately, I’m not able to create such a HOWTO myself, since I only <p>Unfortunately, I’m not able to create such a HOWTO myself, since I only
understand half of the API, and that which I do understand has come from a understand half of the API, and that which I do understand has come from a
painful trial and error process.</p> painful trial and error process.</p>
</div> </section>
<div class="section" id="examples"> <section id="examples">
<span id="pcm-example"></span><h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline"></a></h2> <span id="pcm-example"></span><h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline"></a></h2>
<p>The following example are provided:</p> <p>The following example are provided:</p>
<ul class="simple"> <ul class="simple">
@@ -650,15 +739,15 @@ painful trial and error process.</p>
</div> </div>
<p>mixertest.py accepts the commandline options <em>-d &lt;device&gt;</em> and <p>mixertest.py accepts the commandline options <em>-d &lt;device&gt;</em> and
<em>-c &lt;cardindex&gt;</em>.</p> <em>-c &lt;cardindex&gt;</em>.</p>
<div class="section" id="playwav-py"> <section id="playwav-py">
<h3>playwav.py<a class="headerlink" href="#playwav-py" title="Permalink to this headline"></a></h3> <h3>playwav.py<a class="headerlink" href="#playwav-py" title="Permalink to this headline"></a></h3>
<p><strong>playwav.py</strong> plays a wav file.</p> <p><strong>playwav.py</strong> plays a wav file.</p>
<p>To test PCM playback (on your default soundcard), run:</p> <p>To test PCM playback (on your default soundcard), run:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python playwav.py &lt;wav file&gt; <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python playwav.py &lt;wav file&gt;
</pre></div> </pre></div>
</div> </div>
</div> </section>
<div class="section" id="recordtest-py-and-playbacktest-py"> <section id="recordtest-py-and-playbacktest-py">
<h3>recordtest.py and playbacktest.py<a class="headerlink" href="#recordtest-py-and-playbacktest-py" title="Permalink to this headline"></a></h3> <h3>recordtest.py and playbacktest.py<a class="headerlink" href="#recordtest-py-and-playbacktest-py" title="Permalink to this headline"></a></h3>
<p><strong>recordtest.py</strong> and <strong>playbacktest.py</strong> will record and play a raw <p><strong>recordtest.py</strong> and <strong>playbacktest.py</strong> will record and play a raw
sound file in CD quality.</p> sound file in CD quality.</p>
@@ -672,8 +761,8 @@ with <code class="docutils literal notranslate"><span class="pre">Ctl-C</span></
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python playbacktest.py &lt;filename&gt; <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python playbacktest.py &lt;filename&gt;
</pre></div> </pre></div>
</div> </div>
</div> </section>
<div class="section" id="mixertest-py"> <section id="mixertest-py">
<h3>mixertest.py<a class="headerlink" href="#mixertest-py" title="Permalink to this headline"></a></h3> <h3>mixertest.py<a class="headerlink" href="#mixertest-py" title="Permalink to this headline"></a></h3>
<p>Without arguments, <strong>mixertest.py</strong> will list all available <em>controls</em> on the <p>Without arguments, <strong>mixertest.py</strong> will list all available <em>controls</em> on the
default soundcard.</p> default soundcard.</p>
@@ -731,9 +820,9 @@ Channel 1 volume: 61%
<dd><p>ALSA also allows <code class="docutils literal notranslate"><span class="pre">PCM_ASYNC</span></code>, but this is not supported yet.</p> <dd><p>ALSA also allows <code class="docutils literal notranslate"><span class="pre">PCM_ASYNC</span></code>, but this is not supported yet.</p>
</dd> </dd>
</dl> </dl>
</div> </section>
</div> </section>
</div> </section>
</div> </div>
@@ -752,7 +841,7 @@ Channel 1 volume: 61%
<h3>Navigation</h3> <h3>Navigation</h3>
<p class="caption"><span class="caption-text">Contents:</span></p> <p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
<ul class="current"> <ul class="current">
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li>
@@ -779,7 +868,7 @@ Channel 1 volume: 61%
<h3 id="searchlabel">Quick search</h3> <h3 id="searchlabel">Quick search</h3>
<div class="searchformwrapper"> <div class="searchformwrapper">
<form class="search" action="search.html" method="get"> <form class="search" action="search.html" method="get">
<input type="text" name="q" aria-labelledby="searchlabel" /> <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
<input type="submit" value="Go" /> <input type="submit" value="Go" />
</form> </form>
</div> </div>
@@ -801,7 +890,7 @@ Channel 1 volume: 61%
&copy;2017, Lars Immisch & Casper Wilstrup. &copy;2017, Lars Immisch & Casper Wilstrup.
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Powered by <a href="http://sphinx-doc.org/">Sphinx 3.1.2</a> Powered by <a href="http://sphinx-doc.org/">Sphinx 4.5.0</a>
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<html> <html>
<head> <head>
<meta charset="utf-8" /> <meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Python Module Index &#8212; alsaaudio documentation 0.9.0 documentation</title> <title>Python Module Index &#8212; alsaaudio documentation 0.9.1 documentation</title>
<link rel="stylesheet" href="_static/alabaster.css" type="text/css" /> <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
<link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
<script id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script> <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
<script src="_static/jquery.js"></script> <script src="_static/jquery.js"></script>
<script src="_static/underscore.js"></script> <script src="_static/underscore.js"></script>
<script src="_static/doctools.js"></script> <script src="_static/doctools.js"></script>
<script src="_static/language_data.js"></script>
<link rel="index" title="Index" href="genindex.html" /> <link rel="index" title="Index" href="genindex.html" />
<link rel="search" title="Search" href="search.html" /> <link rel="search" title="Search" href="search.html" />
@@ -73,7 +72,7 @@
<h3>Navigation</h3> <h3>Navigation</h3>
<p class="caption"><span class="caption-text">Contents:</span></p> <p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
<ul> <ul>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li>
@@ -94,7 +93,7 @@
<h3 id="searchlabel">Quick search</h3> <h3 id="searchlabel">Quick search</h3>
<div class="searchformwrapper"> <div class="searchformwrapper">
<form class="search" action="search.html" method="get"> <form class="search" action="search.html" method="get">
<input type="text" name="q" aria-labelledby="searchlabel" /> <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
<input type="submit" value="Go" /> <input type="submit" value="Go" />
</form> </form>
</div> </div>
@@ -116,7 +115,7 @@
&copy;2017, Lars Immisch & Casper Wilstrup. &copy;2017, Lars Immisch & Casper Wilstrup.
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Powered by <a href="http://sphinx-doc.org/">Sphinx 3.1.2</a> Powered by <a href="http://sphinx-doc.org/">Sphinx 4.5.0</a>
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</div> </div>
pyalsaaudio.html
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@@ -4,15 +4,15 @@
<html> <html>
<head> <head>
<meta charset="utf-8" /> <meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<title>Introduction &#8212; alsaaudio documentation 0.9.0 documentation</title>
<link rel="stylesheet" href="_static/alabaster.css" type="text/css" /> <title>Introduction &#8212; alsaaudio documentation 0.9.1 documentation</title>
<link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
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<script src="_static/doctools.js"></script> <script src="_static/doctools.js"></script>
<script src="_static/language_data.js"></script>
<link rel="index" title="Index" href="genindex.html" /> <link rel="index" title="Index" href="genindex.html" />
<link rel="search" title="Search" href="search.html" /> <link rel="search" title="Search" href="search.html" />
<link rel="next" title="PCM Terminology and Concepts" href="terminology.html" /> <link rel="next" title="PCM Terminology and Concepts" href="terminology.html" />
@@ -33,7 +33,7 @@
<div class="body" role="main"> <div class="body" role="main">
<div class="section" id="introduction"> <section id="introduction">
<h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to this headline"></a></h1> <h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to this headline"></a></h1>
<dl class="field-list simple"> <dl class="field-list simple">
<dt class="field-odd">Author</dt> <dt class="field-odd">Author</dt>
@@ -47,7 +47,7 @@
majority of the python distribution. Basically you can use it for anything you majority of the python distribution. Basically you can use it for anything you
wish (even commercial purposes). There is no warranty whatsoever.</p> wish (even commercial purposes). There is no warranty whatsoever.</p>
<div class="topic"> <div class="topic">
<p class="topic-title first">Abstract</p> <p class="topic-title">Abstract</p>
<p>This package contains wrappers for accessing the ALSA API from Python. It is <p>This package contains wrappers for accessing the ALSA API from Python. It is
currently fairly complete for PCM devices and Mixer access. MIDI sequencer currently fairly complete for PCM devices and Mixer access. MIDI sequencer
support is low on our priority list, but volunteers are welcome.</p> support is low on our priority list, but volunteers are welcome.</p>
@@ -55,8 +55,8 @@ support is low on our priority list, but volunteers are welcome.</p>
Please don’t send bug reports regarding ALSA specifically. There are several Please don’t send bug reports regarding ALSA specifically. There are several
bugs in this API, and those should be reported to the ALSA team - not me.</p> bugs in this API, and those should be reported to the ALSA team - not me.</p>
</div> </div>
</div> </section>
<div class="section" id="what-is-alsa"> <section id="what-is-alsa">
<h1>What is ALSA<a class="headerlink" href="#what-is-alsa" title="Permalink to this headline"></a></h1> <h1>What is ALSA<a class="headerlink" href="#what-is-alsa" title="Permalink to this headline"></a></h1>
<p>The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI <p>The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI
functionality to the Linux operating system.</p> functionality to the Linux operating system.</p>
@@ -72,7 +72,7 @@ all ALSA capable applications.</p></li>
</ul> </ul>
<p>More information about ALSA may be found on the project homepage <p>More information about ALSA may be found on the project homepage
<a class="reference external" href="http://www.alsa-project.org">http://www.alsa-project.org</a></p> <a class="reference external" href="http://www.alsa-project.org">http://www.alsa-project.org</a></p>
<div class="section" id="alsa-and-python"> <section id="alsa-and-python">
<h2>ALSA and Python<a class="headerlink" href="#alsa-and-python" title="Permalink to this headline"></a></h2> <h2>ALSA and Python<a class="headerlink" href="#alsa-and-python" title="Permalink to this headline"></a></h2>
<p>The older Linux sound API (OSS) which is now deprecated is well supported from <p>The older Linux sound API (OSS) which is now deprecated is well supported from
the standard Python library, through the ossaudiodev module. No native ALSA the standard Python library, through the ossaudiodev module. No native ALSA
@@ -87,9 +87,9 @@ the ALSA Mixer API.</p>
<p>MIDI support is not available, and since I don’t own any MIDI hardware, it’s <p>MIDI support is not available, and since I don’t own any MIDI hardware, it’s
difficult for me to implement it. Volunteers to work on this would be greatly difficult for me to implement it. Volunteers to work on this would be greatly
appreciated.</p> appreciated.</p>
</div> </section>
</div> </section>
<div class="section" id="installation"> <section id="installation">
<h1>Installation<a class="headerlink" href="#installation" title="Permalink to this headline"></a></h1> <h1>Installation<a class="headerlink" href="#installation" title="Permalink to this headline"></a></h1>
<p>Note: the wrappers link with the alsasound library (from the alsa-lib package) <p>Note: the wrappers link with the alsasound library (from the alsa-lib package)
and need the ALSA headers for compilation. Verify that you have and need the ALSA headers for compilation. Verify that you have
@@ -107,8 +107,8 @@ ship with ALSA kernels.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># python setup.py install</span> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># python setup.py install</span>
</pre></div> </pre></div>
</div> </div>
</div> </section>
<div class="section" id="testing"> <section id="testing">
<h1>Testing<a class="headerlink" href="#testing" title="Permalink to this headline"></a></h1> <h1>Testing<a class="headerlink" href="#testing" title="Permalink to this headline"></a></h1>
<p>Make sure that <code class="code docutils literal notranslate"><span class="pre">aplay</span></code> plays a file through the soundcard you want, then <p>Make sure that <code class="code docutils literal notranslate"><span class="pre">aplay</span></code> plays a file through the soundcard you want, then
try:</p> try:</p>
@@ -135,7 +135,7 @@ with <code class="docutils literal notranslate"><span class="pre">Ctl-C</span></
a bit dependent on the ALSA configuration and may fail without indicating a bit dependent on the ALSA configuration and may fail without indicating
a real problem.</p> a real problem.</p>
<p>If you find bugs/problems, please file a <a class="reference external" href="https://github.com/larsimmisch/pyalsaaudio/issues">bug report</a>.</p> <p>If you find bugs/problems, please file a <a class="reference external" href="https://github.com/larsimmisch/pyalsaaudio/issues">bug report</a>.</p>
</div> </section>
</div> </div>
@@ -154,7 +154,7 @@ a real problem.</p>
<h3>Navigation</h3> <h3>Navigation</h3>
<p class="caption"><span class="caption-text">Contents:</span></p> <p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
<ul class="current"> <ul class="current">
<li class="toctree-l1 current"><a class="current reference internal" href="#">Introduction</a></li> <li class="toctree-l1 current"><a class="current reference internal" href="#">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="#what-is-alsa">What is ALSA</a><ul> <li class="toctree-l1"><a class="reference internal" href="#what-is-alsa">What is ALSA</a><ul>
@@ -180,7 +180,7 @@ a real problem.</p>
<h3 id="searchlabel">Quick search</h3> <h3 id="searchlabel">Quick search</h3>
<div class="searchformwrapper"> <div class="searchformwrapper">
<form class="search" action="search.html" method="get"> <form class="search" action="search.html" method="get">
<input type="text" name="q" aria-labelledby="searchlabel" /> <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
<input type="submit" value="Go" /> <input type="submit" value="Go" />
</form> </form>
</div> </div>
@@ -202,7 +202,7 @@ a real problem.</p>
&copy;2017, Lars Immisch & Casper Wilstrup. &copy;2017, Lars Immisch & Casper Wilstrup.
| |
Powered by <a href="http://sphinx-doc.org/">Sphinx 3.1.2</a> Powered by <a href="http://sphinx-doc.org/">Sphinx 4.5.0</a>
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@@ -4,17 +4,17 @@
<html> <html>
<head> <head>
<meta charset="utf-8" /> <meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Search &#8212; alsaaudio documentation 0.9.0 documentation</title> <title>Search &#8212; alsaaudio documentation 0.9.1 documentation</title>
<link rel="stylesheet" href="_static/alabaster.css" type="text/css" /> <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
<link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
<script id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script> <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
<script src="_static/jquery.js"></script> <script src="_static/jquery.js"></script>
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<script src="_static/language_data.js"></script>
<script src="_static/searchtools.js"></script> <script src="_static/searchtools.js"></script>
<script src="_static/language_data.js"></script>
<link rel="index" title="Index" href="genindex.html" /> <link rel="index" title="Index" href="genindex.html" />
<link rel="search" title="Search" href="#" /> <link rel="search" title="Search" href="#" />
<script src="searchindex.js" defer></script> <script src="searchindex.js" defer></script>
@@ -37,26 +37,35 @@
<div class="body" role="main"> <div class="body" role="main">
<h1 id="search-documentation">Search</h1> <h1 id="search-documentation">Search</h1>
<div id="fallback" class="admonition warning">
<script>$('#fallback').hide();</script> <noscript>
<div class="admonition warning">
<p> <p>
Please activate JavaScript to enable the search Please activate JavaScript to enable the search
functionality. functionality.
</p> </p>
</div> </div>
</noscript>
<p> <p>
Searching for multiple words only shows matches that contain Searching for multiple words only shows matches that contain
all words. all words.
</p> </p>
<form action="" method="get"> <form action="" method="get">
<input type="text" name="q" aria-labelledby="search-documentation" value="" /> <input type="text" name="q" aria-labelledby="search-documentation" value="" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
<input type="submit" value="search" /> <input type="submit" value="search" />
<span id="search-progress" style="padding-left: 10px"></span> <span id="search-progress" style="padding-left: 10px"></span>
</form> </form>
<div id="search-results"> <div id="search-results">
</div> </div>
</div> </div>
@@ -74,7 +83,7 @@
<h3>Navigation</h3> <h3>Navigation</h3>
<p class="caption"><span class="caption-text">Contents:</span></p> <p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
<ul> <ul>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li>
@@ -107,7 +116,7 @@
&copy;2017, Lars Immisch & Casper Wilstrup. &copy;2017, Lars Immisch & Casper Wilstrup.
| |
Powered by <a href="http://sphinx-doc.org/">Sphinx 3.1.2</a> Powered by <a href="http://sphinx-doc.org/">Sphinx 4.5.0</a>
&amp; <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.12</a> &amp; <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.12</a>
</div> </div>
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<html> <html>
<head> <head>
<meta charset="utf-8" /> <meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<title>PCM Terminology and Concepts &#8212; alsaaudio documentation 0.9.0 documentation</title>
<link rel="stylesheet" href="_static/alabaster.css" type="text/css" /> <title>PCM Terminology and Concepts &#8212; alsaaudio documentation 0.9.1 documentation</title>
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<script id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script> <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
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<script src="_static/jquery.js"></script> <script src="_static/jquery.js"></script>
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<script src="_static/language_data.js"></script>
<link rel="index" title="Index" href="genindex.html" /> <link rel="index" title="Index" href="genindex.html" />
<link rel="search" title="Search" href="search.html" /> <link rel="search" title="Search" href="search.html" />
<link rel="next" title="alsaaudio" href="libalsaaudio.html" /> <link rel="next" title="alsaaudio" href="libalsaaudio.html" />
@@ -33,7 +33,7 @@
<div class="body" role="main"> <div class="body" role="main">
<div class="section" id="pcm-terminology-and-concepts"> <section id="pcm-terminology-and-concepts">
<h1>PCM Terminology and Concepts<a class="headerlink" href="#pcm-terminology-and-concepts" title="Permalink to this headline"></a></h1> <h1>PCM Terminology and Concepts<a class="headerlink" href="#pcm-terminology-and-concepts" title="Permalink to this headline"></a></h1>
<p>In order to use PCM devices it is useful to be familiar with some concepts and <p>In order to use PCM devices it is useful to be familiar with some concepts and
terminology.</p> terminology.</p>
@@ -98,7 +98,7 @@ read will return either 32 frames of data or nothing at all.</p>
</dl> </dl>
<p>Once you understand these concepts, you will be ready to use the PCM API. Read <p>Once you understand these concepts, you will be ready to use the PCM API. Read
on.</p> on.</p>
</div> </section>
</div> </div>
@@ -117,7 +117,7 @@ on.</p>
<h3>Navigation</h3> <h3>Navigation</h3>
<p class="caption"><span class="caption-text">Contents:</span></p> <p class="caption" role="heading"><span class="caption-text">Contents:</span></p>
<ul class="current"> <ul class="current">
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li> <li class="toctree-l1"><a class="reference internal" href="pyalsaaudio.html#what-is-alsa">What is ALSA</a></li>
@@ -140,7 +140,7 @@ on.</p>
<h3 id="searchlabel">Quick search</h3> <h3 id="searchlabel">Quick search</h3>
<div class="searchformwrapper"> <div class="searchformwrapper">
<form class="search" action="search.html" method="get"> <form class="search" action="search.html" method="get">
<input type="text" name="q" aria-labelledby="searchlabel" /> <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
<input type="submit" value="Go" /> <input type="submit" value="Go" />
</form> </form>
</div> </div>
@@ -162,7 +162,7 @@ on.</p>
&copy;2017, Lars Immisch & Casper Wilstrup. &copy;2017, Lars Immisch & Casper Wilstrup.
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