| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>gstaudio: GStreamer Base Plugins 1.0 Library Reference Manual</title> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> |
| <link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual"> |
| <link rel="up" href="gstreamer-audio.html" title="Audio Library"> |
| <link rel="prev" href="gstreamer-audio.html" title="Audio Library"> |
| <link rel="next" href="gst-plugins-base-libs-gstaudiometa.html" title="gstaudiometa"> |
| <meta name="generator" content="GTK-Doc V1.24 (XML mode)"> |
| <link rel="stylesheet" href="style.css" type="text/css"> |
| </head> |
| <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> |
| <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> |
| <td width="100%" align="left" class="shortcuts"> |
| <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> |
| <a href="#gst-plugins-base-libs-gstaudio.description" class="shortcut">Description</a></span> |
| </td> |
| <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> |
| <td><a accesskey="u" href="gstreamer-audio.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> |
| <td><a accesskey="p" href="gstreamer-audio.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> |
| <td><a accesskey="n" href="gst-plugins-base-libs-gstaudiometa.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> |
| </tr></table> |
| <div class="refentry"> |
| <a name="gst-plugins-base-libs-gstaudio"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstaudio.top_of_page"></a>gstaudio</span></h2> |
| <p>gstaudio — Support library for audio elements</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstaudio.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="functions_return"> |
| <col class="functions_name"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <span class="c_punctuation">(</span><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatPack" title="GstAudioFormatPack ()">*GstAudioFormatPack</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <span class="c_punctuation">(</span><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatUnpack" title="GstAudioFormatUnpack ()">*GstAudioFormatUnpack</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-init" title="gst_audio_info_init ()">gst_audio_info_init</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-from-caps" title="gst_audio_info_from_caps ()">gst_audio_info_from_caps</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstCaps.html"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-to-caps" title="gst_audio_info_to_caps ()">gst_audio_info_to_caps</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-convert" title="gst_audio_info_convert ()">gst_audio_info_convert</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="returnvalue">GstAudioFormatInfo</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-format-get-info" title="gst_audio_format_get_info ()">gst_audio_format_get_info</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="returnvalue">GstAudioInfo</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-copy" title="gst_audio_info_copy ()">gst_audio_info_copy</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-free" title="gst_audio_info_free ()">gst_audio_info_free</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="returnvalue">GstAudioInfo</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-new" title="gst_audio_info_new ()">gst_audio_info_new</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-set-format" title="gst_audio_info_set_format ()">gst_audio_info_set_format</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-is-equal" title="gst_audio_info_is_equal ()">gst_audio_info_is_equal</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="returnvalue">GstAudioFormat</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-format-build-integer" title="gst_audio_format_build_integer ()">gst_audio_format_build_integer</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-format-fill-silence" title="gst_audio_format_fill_silence ()">gst_audio_format_fill_silence</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="returnvalue">GstAudioFormat</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-format-from-string" title="gst_audio_format_from_string ()">gst_audio_format_from_string</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-format-to-string" title="gst_audio_format_to_string ()">gst_audio_format_to_string</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-DEPTH:CAPS" title="GST_AUDIO_FORMAT_INFO_DEPTH()">GST_AUDIO_FORMAT_INFO_DEPTH</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-ENDIANNESS:CAPS" title="GST_AUDIO_FORMAT_INFO_ENDIANNESS()">GST_AUDIO_FORMAT_INFO_ENDIANNESS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-FLAGS:CAPS" title="GST_AUDIO_FORMAT_INFO_FLAGS()">GST_AUDIO_FORMAT_INFO_FLAGS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-FORMAT:CAPS" title="GST_AUDIO_FORMAT_INFO_FORMAT()">GST_AUDIO_FORMAT_INFO_FORMAT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-IS-FLOAT:CAPS" title="GST_AUDIO_FORMAT_INFO_IS_FLOAT()">GST_AUDIO_FORMAT_INFO_IS_FLOAT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-IS-INTEGER:CAPS" title="GST_AUDIO_FORMAT_INFO_IS_INTEGER()">GST_AUDIO_FORMAT_INFO_IS_INTEGER</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-IS-BIG-ENDIAN:CAPS" title="GST_AUDIO_FORMAT_INFO_IS_BIG_ENDIAN()">GST_AUDIO_FORMAT_INFO_IS_BIG_ENDIAN</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-IS-LITTLE-ENDIAN:CAPS" title="GST_AUDIO_FORMAT_INFO_IS_LITTLE_ENDIAN()">GST_AUDIO_FORMAT_INFO_IS_LITTLE_ENDIAN</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-IS-SIGNED:CAPS" title="GST_AUDIO_FORMAT_INFO_IS_SIGNED()">GST_AUDIO_FORMAT_INFO_IS_SIGNED</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-NAME:CAPS" title="GST_AUDIO_FORMAT_INFO_NAME()">GST_AUDIO_FORMAT_INFO_NAME</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMAT-INFO-WIDTH:CAPS" title="GST_AUDIO_FORMAT_INFO_WIDTH()">GST_AUDIO_FORMAT_INFO_WIDTH</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-BPF:CAPS" title="GST_AUDIO_INFO_BPF()">GST_AUDIO_INFO_BPF</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-BPS:CAPS" title="GST_AUDIO_INFO_BPS()">GST_AUDIO_INFO_BPS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-CHANNELS:CAPS" title="GST_AUDIO_INFO_CHANNELS()">GST_AUDIO_INFO_CHANNELS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-DEPTH:CAPS" title="GST_AUDIO_INFO_DEPTH()">GST_AUDIO_INFO_DEPTH</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-FLAGS:CAPS" title="GST_AUDIO_INFO_FLAGS()">GST_AUDIO_INFO_FLAGS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-FORMAT:CAPS" title="GST_AUDIO_INFO_FORMAT()">GST_AUDIO_INFO_FORMAT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-NAME:CAPS" title="GST_AUDIO_INFO_NAME()">GST_AUDIO_INFO_NAME</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-POSITION:CAPS" title="GST_AUDIO_INFO_POSITION()">GST_AUDIO_INFO_POSITION</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-RATE:CAPS" title="GST_AUDIO_INFO_RATE()">GST_AUDIO_INFO_RATE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-WIDTH:CAPS" title="GST_AUDIO_INFO_WIDTH()">GST_AUDIO_INFO_WIDTH</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-ENDIANNESS:CAPS" title="GST_AUDIO_INFO_ENDIANNESS()">GST_AUDIO_INFO_ENDIANNESS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-IS-BIG-ENDIAN:CAPS" title="GST_AUDIO_INFO_IS_BIG_ENDIAN()">GST_AUDIO_INFO_IS_BIG_ENDIAN</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-IS-FLOAT:CAPS" title="GST_AUDIO_INFO_IS_FLOAT()">GST_AUDIO_INFO_IS_FLOAT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-IS-INTEGER:CAPS" title="GST_AUDIO_INFO_IS_INTEGER()">GST_AUDIO_INFO_IS_INTEGER</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-IS-LITTLE-ENDIAN:CAPS" title="GST_AUDIO_INFO_IS_LITTLE_ENDIAN()">GST_AUDIO_INFO_IS_LITTLE_ENDIAN</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-IS-SIGNED:CAPS" title="GST_AUDIO_INFO_IS_SIGNED()">GST_AUDIO_INFO_IS_SIGNED</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-IS-UNPOSITIONED:CAPS" title="GST_AUDIO_INFO_IS_UNPOSITIONED()">GST_AUDIO_INFO_IS_UNPOSITIONED</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-IS-VALID:CAPS" title="GST_AUDIO_INFO_IS_VALID()">GST_AUDIO_INFO_IS_VALID</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-INFO-LAYOUT:CAPS" title="GST_AUDIO_INFO_LAYOUT()">GST_AUDIO_INFO_LAYOUT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-FRAMES-TO-CLOCK-TIME:CAPS" title="GST_FRAMES_TO_CLOCK_TIME()">GST_FRAMES_TO_CLOCK_TIME</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-CLOCK-TIME-TO-FRAMES:CAPS" title="GST_CLOCK_TIME_TO_FRAMES()">GST_CLOCK_TIME_TO_FRAMES</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-NE:CAPS" title="GST_AUDIO_NE()">GST_AUDIO_NE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-OE:CAPS" title="GST_AUDIO_OE()">GST_AUDIO_OE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-CAPS-MAKE:CAPS" title="GST_AUDIO_CAPS_MAKE()">GST_AUDIO_CAPS_MAKE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstBuffer.html"><span class="returnvalue">GstBuffer</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-buffer-clip" title="gst_audio_buffer_clip ()">gst_audio_buffer_clip</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstaudio.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFlags" title="enum GstAudioFlags">GstAudioFlags</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat">GstAudioFormat</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatFlags" title="enum GstAudioFormatFlags">GstAudioFormatFlags</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo">GstAudioFormatInfo</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo">GstAudioInfo</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioLayout" title="enum GstAudioLayout">GstAudioLayout</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioPackFlags" title="enum GstAudioPackFlags">GstAudioPackFlags</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-META-TAG-AUDIO-STR:CAPS" title="GST_META_TAG_AUDIO_STR">GST_META_TAG_AUDIO_STR</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-META-TAG-AUDIO-CHANNELS-STR:CAPS" title="GST_META_TAG_AUDIO_CHANNELS_STR">GST_META_TAG_AUDIO_CHANNELS_STR</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-RATE-RANGE:CAPS" title="GST_AUDIO_RATE_RANGE">GST_AUDIO_RATE_RANGE</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-CHANNELS-RANGE:CAPS" title="GST_AUDIO_CHANNELS_RANGE">GST_AUDIO_CHANNELS_RANGE</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-FORMATS-ALL:CAPS" title="GST_AUDIO_FORMATS_ALL">GST_AUDIO_FORMATS_ALL</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-DEF-RATE:CAPS" title="GST_AUDIO_DEF_RATE">GST_AUDIO_DEF_RATE</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-DEF-CHANNELS:CAPS" title="GST_AUDIO_DEF_CHANNELS">GST_AUDIO_DEF_CHANNELS</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GST-AUDIO-DEF-FORMAT:CAPS" title="GST_AUDIO_DEF_FORMAT">GST_AUDIO_DEF_FORMAT</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstaudio.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/audio/audio.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstaudio.description"></a><h2>Description</h2> |
| <p>This library contains some helper functions for audio elements.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstaudio.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="GstAudioFormatPack"></a><h3>GstAudioFormatPack ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| <span class="c_punctuation">(</span>*GstAudioFormatPack<span class="c_punctuation">)</span> (<em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="type">GstAudioFormatInfo</span></a> *info</code></em>, |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioPackFlags" title="enum GstAudioPackFlags"><span class="type">GstAudioPackFlags</span></a> flags</code></em>, |
| <em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> src</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> length</code></em>);</pre> |
| <p>Packs <em class="parameter"><code>length</code></em> |
| samples from <em class="parameter"><code>src</code></em> |
| to the data array in format <em class="parameter"><code>info</code></em> |
| . |
| The samples from source have each channel interleaved |
| and will be packed into <em class="parameter"><code>data</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.2.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="type">GstAudioFormatInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>src</p></td> |
| <td class="parameter_description"><p> a source array. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> guint8]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p> pointer to the destination |
| data. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> guint8]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>length</p></td> |
| <td class="parameter_description"><p>the amount of samples to pack.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstAudioFormatUnpack"></a><h3>GstAudioFormatUnpack ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| <span class="c_punctuation">(</span>*GstAudioFormatUnpack<span class="c_punctuation">)</span> (<em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="type">GstAudioFormatInfo</span></a> *info</code></em>, |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioPackFlags" title="enum GstAudioPackFlags"><span class="type">GstAudioPackFlags</span></a> flags</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> dest</code></em>, |
| <em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> length</code></em>);</pre> |
| <p>Unpacks <em class="parameter"><code>length</code></em> |
| samples from the given data of format <em class="parameter"><code>info</code></em> |
| . |
| The samples will be unpacked into <em class="parameter"><code>dest</code></em> |
| which each channel |
| interleaved. <em class="parameter"><code>dest</code></em> |
| should at least be big enough to hold <em class="parameter"><code>length</code></em> |
| * |
| channels * size(unpack_format) bytes.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.3.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="type">GstAudioFormatInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>dest</p></td> |
| <td class="parameter_description"><p> a destination array. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> guint8]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p> pointer to the audio data. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> guint8]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>length</p></td> |
| <td class="parameter_description"><p>the amount of samples to unpack.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-info-init"></a><h3>gst_audio_info_init ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_audio_info_init (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> *info</code></em>);</pre> |
| <p>Initialize <em class="parameter"><code>info</code></em> |
| with default values.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.4.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-info-from-caps"></a><h3>gst_audio_info_from_caps ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_audio_info_from_caps (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> *info</code></em>, |
| <em class="parameter"><code>const <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstCaps.html"><span class="type">GstCaps</span></a> *caps</code></em>);</pre> |
| <p>Parse <em class="parameter"><code>caps</code></em> |
| and update <em class="parameter"><code>info</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.5.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstCaps.html"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.5.6"></a><h4>Returns</h4> |
| <p> TRUE if <em class="parameter"><code>caps</code></em> |
| could be parsed</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-info-to-caps"></a><h3>gst_audio_info_to_caps ()</h3> |
| <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstCaps.html"><span class="returnvalue">GstCaps</span></a> * |
| gst_audio_info_to_caps (<em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> *info</code></em>);</pre> |
| <p>Convert the values of <em class="parameter"><code>info</code></em> |
| into a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstCaps.html"><span class="type">GstCaps</span></a>.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.6.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.6.6"></a><h4>Returns</h4> |
| <p> the new <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstCaps.html"><span class="type">GstCaps</span></a> containing the |
| info of <em class="parameter"><code>info</code></em> |
| . </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-info-convert"></a><h3>gst_audio_info_convert ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_audio_info_convert (<em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> *info</code></em>, |
| <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> src_fmt</code></em>, |
| <em class="parameter"><code><span class="type">gint64</span> src_val</code></em>, |
| <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> dest_fmt</code></em>, |
| <em class="parameter"><code><span class="type">gint64</span> *dest_val</code></em>);</pre> |
| <p>Converts among various <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> types. This function handles |
| GST_FORMAT_BYTES, GST_FORMAT_TIME, and GST_FORMAT_DEFAULT. For |
| raw audio, GST_FORMAT_DEFAULT corresponds to audio frames. This |
| function can be used to handle pad queries of the type GST_QUERY_CONVERT.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.7.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>src_fmt</p></td> |
| <td class="parameter_description"><p><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> of the <em class="parameter"><code>src_val</code></em> |
| </p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>src_val</p></td> |
| <td class="parameter_description"><p>value to convert</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>dest_fmt</p></td> |
| <td class="parameter_description"><p><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> of the <em class="parameter"><code>dest_val</code></em> |
| </p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>dest_val</p></td> |
| <td class="parameter_description"><p>pointer to destination value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.7.6"></a><h4>Returns</h4> |
| <p> TRUE if the conversion was successful.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-format-get-info"></a><h3>gst_audio_format_get_info ()</h3> |
| <pre class="programlisting">const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="returnvalue">GstAudioFormatInfo</span></a> * |
| gst_audio_format_get_info (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a> format</code></em>);</pre> |
| <p>Get the <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="type">GstAudioFormatInfo</span></a> for <em class="parameter"><code>format</code></em> |
| </p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.8.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>format</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.8.6"></a><h4>Returns</h4> |
| <p> The <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="type">GstAudioFormatInfo</span></a> for <em class="parameter"><code>format</code></em> |
| .</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-info-copy"></a><h3>gst_audio_info_copy ()</h3> |
| <pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="returnvalue">GstAudioInfo</span></a> * |
| gst_audio_info_copy (<em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> *info</code></em>);</pre> |
| <p>Copy a GstAudioInfo structure.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.9.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.9.6"></a><h4>Returns</h4> |
| <p> a new <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a>. free with gst_audio_info_free.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-info-free"></a><h3>gst_audio_info_free ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_audio_info_free (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> *info</code></em>);</pre> |
| <p>Free a GstAudioInfo structure previously allocated with <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-new" title="gst_audio_info_new ()"><code class="function">gst_audio_info_new()</code></a> |
| or <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-copy" title="gst_audio_info_copy ()"><code class="function">gst_audio_info_copy()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.10.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-info-new"></a><h3>gst_audio_info_new ()</h3> |
| <pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="returnvalue">GstAudioInfo</span></a> * |
| gst_audio_info_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> |
| <p>Allocate a new <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> that is also initialized with |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-init" title="gst_audio_info_init ()"><code class="function">gst_audio_info_init()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.11.5"></a><h4>Returns</h4> |
| <p> a new <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a>. free with <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-free" title="gst_audio_info_free ()"><code class="function">gst_audio_info_free()</code></a>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-info-set-format"></a><h3>gst_audio_info_set_format ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_audio_info_set_format (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> *info</code></em>, |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a> format</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> rate</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> channels</code></em>, |
| <em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstaudiochannels.html#GstAudioChannelPosition" title="enum GstAudioChannelPosition"><span class="type">GstAudioChannelPosition</span></a> *position</code></em>);</pre> |
| <p>Set the default info for the audio info of <em class="parameter"><code>format</code></em> |
| and <em class="parameter"><code>rate</code></em> |
| and <em class="parameter"><code>channels</code></em> |
| .</p> |
| <p>Note: This initializes <em class="parameter"><code>info</code></em> |
| first, no values are preserved.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.12.6"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>format</p></td> |
| <td class="parameter_description"><p>the format</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>rate</p></td> |
| <td class="parameter_description"><p>the samplerate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channels</p></td> |
| <td class="parameter_description"><p>the number of channels</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>position</p></td> |
| <td class="parameter_description"><p>the channel positions</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-info-is-equal"></a><h3>gst_audio_info_is_equal ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_audio_info_is_equal (<em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> *info</code></em>, |
| <em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> *other</code></em>);</pre> |
| <p>Compares two <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a> and returns whether they are equal or not</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.13.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>other</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioInfo" title="struct GstAudioInfo"><span class="type">GstAudioInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.13.6"></a><h4>Returns</h4> |
| <p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>info</code></em> |
| and <em class="parameter"><code>other</code></em> |
| are equal, else <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</p> |
| </div> |
| <p class="since">Since: 1.2</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-format-build-integer"></a><h3>gst_audio_format_build_integer ()</h3> |
| <pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="returnvalue">GstAudioFormat</span></a> |
| gst_audio_format_build_integer (<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> sign</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> endianness</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> width</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> depth</code></em>);</pre> |
| <p>Construct a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a> with given parameters.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.14.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>sign</p></td> |
| <td class="parameter_description"><p>signed or unsigned format</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>endianness</p></td> |
| <td class="parameter_description"><p>G_LITTLE_ENDIAN or G_BIG_ENDIAN</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>width</p></td> |
| <td class="parameter_description"><p>amount of bits used per sample</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>depth</p></td> |
| <td class="parameter_description"><p>amount of used bits in <em class="parameter"><code>width</code></em> |
| </p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.14.6"></a><h4>Returns</h4> |
| <p> a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a> or GST_AUDIO_FORMAT_UNKNOWN when no audio format |
| exists with the given parameters.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-format-fill-silence"></a><h3>gst_audio_format_fill_silence ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_audio_format_fill_silence (<em class="parameter"><code>const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="type">GstAudioFormatInfo</span></a> *info</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> dest</code></em>, |
| <em class="parameter"><code><span class="type">gsize</span> length</code></em>);</pre> |
| <p>Fill <em class="parameter"><code>length</code></em> |
| bytes in <em class="parameter"><code>dest</code></em> |
| with silence samples for <em class="parameter"><code>info</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.15.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>info</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="type">GstAudioFormatInfo</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>dest</p></td> |
| <td class="parameter_description"><p> a destination |
| to fill. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=length][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> guint8]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>length</p></td> |
| <td class="parameter_description"><p>the length to fill</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-format-from-string"></a><h3>gst_audio_format_from_string ()</h3> |
| <pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="returnvalue">GstAudioFormat</span></a> |
| gst_audio_format_from_string (<em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *format</code></em>);</pre> |
| <p>Convert the <em class="parameter"><code>format</code></em> |
| string to its <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a>.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.16.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>format</p></td> |
| <td class="parameter_description"><p>a format string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.16.6"></a><h4>Returns</h4> |
| <p> the <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a> for <em class="parameter"><code>format</code></em> |
| or GST_AUDIO_FORMAT_UNKNOWN when the |
| string is not a known format.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-format-to-string"></a><h3>gst_audio_format_to_string ()</h3> |
| <pre class="programlisting">const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_audio_format_to_string (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a> format</code></em>);</pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-DEPTH:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_DEPTH()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_DEPTH(info) ((info)->depth) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-ENDIANNESS:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_ENDIANNESS()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_ENDIANNESS(info) ((info)->endianness) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-FLAGS:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_FLAGS()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_FLAGS(info) ((info)->flags) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-FORMAT:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_FORMAT()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_FORMAT(info) ((info)->format) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-IS-FLOAT:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_IS_FLOAT()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_IS_FLOAT(info) !!((info)->flags & GST_AUDIO_FORMAT_FLAG_FLOAT) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-IS-INTEGER:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_IS_INTEGER()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_IS_INTEGER(info) !!((info)->flags & GST_AUDIO_FORMAT_FLAG_INTEGER) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-IS-BIG-ENDIAN:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_IS_BIG_ENDIAN()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_IS_BIG_ENDIAN(info) ((info)->endianness == G_BIG_ENDIAN) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-IS-LITTLE-ENDIAN:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_IS_LITTLE_ENDIAN()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_IS_LITTLE_ENDIAN(info) ((info)->endianness == G_LITTLE_ENDIAN) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-IS-SIGNED:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_IS_SIGNED()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_IS_SIGNED(info) !!((info)->flags & GST_AUDIO_FORMAT_FLAG_SIGNED) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-NAME:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_NAME()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_NAME(info) ((info)->name) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMAT-INFO-WIDTH:CAPS"></a><h3>GST_AUDIO_FORMAT_INFO_WIDTH()</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMAT_INFO_WIDTH(info) ((info)->width) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-BPF:CAPS"></a><h3>GST_AUDIO_INFO_BPF()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_BPF(info) ((info)->bpf) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-BPS:CAPS"></a><h3>GST_AUDIO_INFO_BPS()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_BPS(info) (GST_AUDIO_INFO_DEPTH(info) >> 3) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-CHANNELS:CAPS"></a><h3>GST_AUDIO_INFO_CHANNELS()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_CHANNELS(info) ((info)->channels) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-DEPTH:CAPS"></a><h3>GST_AUDIO_INFO_DEPTH()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_DEPTH(i) (GST_AUDIO_FORMAT_INFO_DEPTH((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-FLAGS:CAPS"></a><h3>GST_AUDIO_INFO_FLAGS()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_FLAGS(info) ((info)->flags) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-FORMAT:CAPS"></a><h3>GST_AUDIO_INFO_FORMAT()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_FORMAT(i) (GST_AUDIO_FORMAT_INFO_FORMAT((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-NAME:CAPS"></a><h3>GST_AUDIO_INFO_NAME()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_NAME(i) (GST_AUDIO_FORMAT_INFO_NAME((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-POSITION:CAPS"></a><h3>GST_AUDIO_INFO_POSITION()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_POSITION(info,c) ((info)->position[c]) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-RATE:CAPS"></a><h3>GST_AUDIO_INFO_RATE()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_RATE(info) ((info)->rate) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-WIDTH:CAPS"></a><h3>GST_AUDIO_INFO_WIDTH()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_WIDTH(i) (GST_AUDIO_FORMAT_INFO_WIDTH((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-ENDIANNESS:CAPS"></a><h3>GST_AUDIO_INFO_ENDIANNESS()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_ENDIANNESS(i) (GST_AUDIO_FORMAT_INFO_ENDIANNESS((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-IS-BIG-ENDIAN:CAPS"></a><h3>GST_AUDIO_INFO_IS_BIG_ENDIAN()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_IS_BIG_ENDIAN(i) (GST_AUDIO_FORMAT_INFO_IS_BIG_ENDIAN((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-IS-FLOAT:CAPS"></a><h3>GST_AUDIO_INFO_IS_FLOAT()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_IS_FLOAT(i) (GST_AUDIO_FORMAT_INFO_IS_FLOAT((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-IS-INTEGER:CAPS"></a><h3>GST_AUDIO_INFO_IS_INTEGER()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_IS_INTEGER(i) (GST_AUDIO_FORMAT_INFO_IS_INTEGER((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-IS-LITTLE-ENDIAN:CAPS"></a><h3>GST_AUDIO_INFO_IS_LITTLE_ENDIAN()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_IS_LITTLE_ENDIAN(i) (GST_AUDIO_FORMAT_INFO_IS_LITTLE_ENDIAN((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-IS-SIGNED:CAPS"></a><h3>GST_AUDIO_INFO_IS_SIGNED()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_IS_SIGNED(i) (GST_AUDIO_FORMAT_INFO_IS_SIGNED((i)->finfo)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-IS-UNPOSITIONED:CAPS"></a><h3>GST_AUDIO_INFO_IS_UNPOSITIONED()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_IS_UNPOSITIONED(info) ((info)->flags & GST_AUDIO_FLAG_UNPOSITIONED) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-IS-VALID:CAPS"></a><h3>GST_AUDIO_INFO_IS_VALID()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_IS_VALID(i) ((i)->finfo != NULL && (i)->rate > 0 && (i)->channels > 0 && (i)->bpf > 0) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-INFO-LAYOUT:CAPS"></a><h3>GST_AUDIO_INFO_LAYOUT()</h3> |
| <pre class="programlisting">#define GST_AUDIO_INFO_LAYOUT(info) ((info)->layout) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-FRAMES-TO-CLOCK-TIME:CAPS"></a><h3>GST_FRAMES_TO_CLOCK_TIME()</h3> |
| <pre class="programlisting">#define GST_FRAMES_TO_CLOCK_TIME(frames, rate)</pre> |
| <p>Calculate clocktime from sample <em class="parameter"><code>frames</code></em> |
| and <em class="parameter"><code>rate</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.48.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>frames</p></td> |
| <td class="parameter_description"><p>sample frames</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>rate</p></td> |
| <td class="parameter_description"><p>sampling rate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-CLOCK-TIME-TO-FRAMES:CAPS"></a><h3>GST_CLOCK_TIME_TO_FRAMES()</h3> |
| <pre class="programlisting">#define GST_CLOCK_TIME_TO_FRAMES(clocktime, rate)</pre> |
| <p>Calculate frames from <em class="parameter"><code>clocktime</code></em> |
| and sample <em class="parameter"><code>rate</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.49.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>clocktime</p></td> |
| <td class="parameter_description"><p>clock time</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>rate</p></td> |
| <td class="parameter_description"><p>sampling rate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-NE:CAPS"></a><h3>GST_AUDIO_NE()</h3> |
| <pre class="programlisting"># define GST_AUDIO_NE(s) G_STRINGIFY(s)"LE" |
| </pre> |
| <p>Turns audio format string <em class="parameter"><code>s</code></em> |
| into the format string for native endianness.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.50.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>s</p></td> |
| <td class="parameter_description"><p>format string without endianness marker</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-OE:CAPS"></a><h3>GST_AUDIO_OE()</h3> |
| <pre class="programlisting"># define GST_AUDIO_OE(s) G_STRINGIFY(s)"BE" |
| </pre> |
| <p>Turns audio format string <em class="parameter"><code>s</code></em> |
| into the format string for other endianness.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.51.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>s</p></td> |
| <td class="parameter_description"><p>format string without endianness marker</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-CAPS-MAKE:CAPS"></a><h3>GST_AUDIO_CAPS_MAKE()</h3> |
| <pre class="programlisting">#define GST_AUDIO_CAPS_MAKE(format)</pre> |
| <p>Generic caps string for audio, for use in pad templates.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.52.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>format</p></td> |
| <td class="parameter_description"><p>string format that describes the sample layout, as string |
| (e.g. "S16LE", "S8", etc.)</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-audio-buffer-clip"></a><h3>gst_audio_buffer_clip ()</h3> |
| <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstBuffer.html"><span class="returnvalue">GstBuffer</span></a> * |
| gst_audio_buffer_clip (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstBuffer.html"><span class="type">GstBuffer</span></a> *buffer</code></em>, |
| <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstSegment.html"><span class="type">GstSegment</span></a> *segment</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> rate</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> bpf</code></em>);</pre> |
| <p>Clip the buffer to the given <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstSegment.html"><code class="literal">GstSegment</code></a>.</p> |
| <p>After calling this function the caller does not own a reference to |
| <em class="parameter"><code>buffer</code></em> |
| anymore.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.53.6"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>buffer</p></td> |
| <td class="parameter_description"><p> The buffer to clip. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>segment</p></td> |
| <td class="parameter_description"><p>Segment in <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GST-FORMAT-TIME:CAPS"><code class="literal">GST_FORMAT_TIME</code></a> or <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GST-FORMAT-DEFAULT:CAPS"><code class="literal">GST_FORMAT_DEFAULT</code></a> to which |
| the buffer should be clipped.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>rate</p></td> |
| <td class="parameter_description"><p>sample rate.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>bpf</p></td> |
| <td class="parameter_description"> |
| <p>size of one audio frame in bytes. This is the size of one sample</p> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>channels.</p></li></ul></div> |
| </td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.7.53.7"></a><h4>Returns</h4> |
| <p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the buffer is completely outside the configured segment, |
| otherwise the clipped buffer is returned.</p> |
| <p>If the buffer has no timestamp, it is assumed to be inside the segment and |
| is not clipped. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstaudio.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstAudioFlags"></a><h3>enum GstAudioFlags</h3> |
| <p>Extra audio flags</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.8.2.4"></a><h4>Members</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FLAG-NONE:CAPS"></a>GST_AUDIO_FLAG_NONE</p></td> |
| <td class="enum_member_description"> |
| <p>no valid flag</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FLAG-UNPOSITIONED:CAPS"></a>GST_AUDIO_FLAG_UNPOSITIONED</p></td> |
| <td class="enum_member_description"> |
| <p>the position array explicitly |
| contains unpositioned channels.</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstAudioFormat"></a><h3>enum GstAudioFormat</h3> |
| <p>Enum value describing the most common audio formats.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.8.3.4"></a><h4>Members</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-UNKNOWN:CAPS"></a>GST_AUDIO_FORMAT_UNKNOWN</p></td> |
| <td class="enum_member_description"> |
| <p>unknown or unset audio format</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-ENCODED:CAPS"></a>GST_AUDIO_FORMAT_ENCODED</p></td> |
| <td class="enum_member_description"> |
| <p>encoded audio format</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S8:CAPS"></a>GST_AUDIO_FORMAT_S8</p></td> |
| <td class="enum_member_description"> |
| <p>8 bits in 8 bits, signed</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U8:CAPS"></a>GST_AUDIO_FORMAT_U8</p></td> |
| <td class="enum_member_description"> |
| <p>8 bits in 8 bits, unsigned</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S16LE:CAPS"></a>GST_AUDIO_FORMAT_S16LE</p></td> |
| <td class="enum_member_description"> |
| <p>16 bits in 16 bits, signed, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S16BE:CAPS"></a>GST_AUDIO_FORMAT_S16BE</p></td> |
| <td class="enum_member_description"> |
| <p>16 bits in 16 bits, signed, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U16LE:CAPS"></a>GST_AUDIO_FORMAT_U16LE</p></td> |
| <td class="enum_member_description"> |
| <p>16 bits in 16 bits, unsigned, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U16BE:CAPS"></a>GST_AUDIO_FORMAT_U16BE</p></td> |
| <td class="enum_member_description"> |
| <p>16 bits in 16 bits, unsigned, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S24-32LE:CAPS"></a>GST_AUDIO_FORMAT_S24_32LE</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 32 bits, signed, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S24-32BE:CAPS"></a>GST_AUDIO_FORMAT_S24_32BE</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 32 bits, signed, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U24-32LE:CAPS"></a>GST_AUDIO_FORMAT_U24_32LE</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 32 bits, unsigned, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U24-32BE:CAPS"></a>GST_AUDIO_FORMAT_U24_32BE</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 32 bits, unsigned, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S32LE:CAPS"></a>GST_AUDIO_FORMAT_S32LE</p></td> |
| <td class="enum_member_description"> |
| <p>32 bits in 32 bits, signed, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S32BE:CAPS"></a>GST_AUDIO_FORMAT_S32BE</p></td> |
| <td class="enum_member_description"> |
| <p>32 bits in 32 bits, signed, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U32LE:CAPS"></a>GST_AUDIO_FORMAT_U32LE</p></td> |
| <td class="enum_member_description"> |
| <p>32 bits in 32 bits, unsigned, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U32BE:CAPS"></a>GST_AUDIO_FORMAT_U32BE</p></td> |
| <td class="enum_member_description"> |
| <p>32 bits in 32 bits, unsigned, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S24LE:CAPS"></a>GST_AUDIO_FORMAT_S24LE</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 24 bits, signed, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S24BE:CAPS"></a>GST_AUDIO_FORMAT_S24BE</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 24 bits, signed, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U24LE:CAPS"></a>GST_AUDIO_FORMAT_U24LE</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 24 bits, unsigned, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U24BE:CAPS"></a>GST_AUDIO_FORMAT_U24BE</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 24 bits, unsigned, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S20LE:CAPS"></a>GST_AUDIO_FORMAT_S20LE</p></td> |
| <td class="enum_member_description"> |
| <p>20 bits in 24 bits, signed, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S20BE:CAPS"></a>GST_AUDIO_FORMAT_S20BE</p></td> |
| <td class="enum_member_description"> |
| <p>20 bits in 24 bits, signed, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U20LE:CAPS"></a>GST_AUDIO_FORMAT_U20LE</p></td> |
| <td class="enum_member_description"> |
| <p>20 bits in 24 bits, unsigned, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U20BE:CAPS"></a>GST_AUDIO_FORMAT_U20BE</p></td> |
| <td class="enum_member_description"> |
| <p>20 bits in 24 bits, unsigned, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S18LE:CAPS"></a>GST_AUDIO_FORMAT_S18LE</p></td> |
| <td class="enum_member_description"> |
| <p>18 bits in 24 bits, signed, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S18BE:CAPS"></a>GST_AUDIO_FORMAT_S18BE</p></td> |
| <td class="enum_member_description"> |
| <p>18 bits in 24 bits, signed, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U18LE:CAPS"></a>GST_AUDIO_FORMAT_U18LE</p></td> |
| <td class="enum_member_description"> |
| <p>18 bits in 24 bits, unsigned, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U18BE:CAPS"></a>GST_AUDIO_FORMAT_U18BE</p></td> |
| <td class="enum_member_description"> |
| <p>18 bits in 24 bits, unsigned, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-F32LE:CAPS"></a>GST_AUDIO_FORMAT_F32LE</p></td> |
| <td class="enum_member_description"> |
| <p>32-bit floating point samples, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-F32BE:CAPS"></a>GST_AUDIO_FORMAT_F32BE</p></td> |
| <td class="enum_member_description"> |
| <p>32-bit floating point samples, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-F64LE:CAPS"></a>GST_AUDIO_FORMAT_F64LE</p></td> |
| <td class="enum_member_description"> |
| <p>64-bit floating point samples, little endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-F64BE:CAPS"></a>GST_AUDIO_FORMAT_F64BE</p></td> |
| <td class="enum_member_description"> |
| <p>64-bit floating point samples, big endian</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S16:CAPS"></a>GST_AUDIO_FORMAT_S16</p></td> |
| <td class="enum_member_description"> |
| <p>16 bits in 16 bits, signed, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U16:CAPS"></a>GST_AUDIO_FORMAT_U16</p></td> |
| <td class="enum_member_description"> |
| <p>16 bits in 16 bits, unsigned, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S24-32:CAPS"></a>GST_AUDIO_FORMAT_S24_32</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 32 bits, signed, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U24-32:CAPS"></a>GST_AUDIO_FORMAT_U24_32</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 32 bits, unsigned, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S32:CAPS"></a>GST_AUDIO_FORMAT_S32</p></td> |
| <td class="enum_member_description"> |
| <p>32 bits in 32 bits, signed, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U32:CAPS"></a>GST_AUDIO_FORMAT_U32</p></td> |
| <td class="enum_member_description"> |
| <p>32 bits in 32 bits, unsigned, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S24:CAPS"></a>GST_AUDIO_FORMAT_S24</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 24 bits, signed, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U24:CAPS"></a>GST_AUDIO_FORMAT_U24</p></td> |
| <td class="enum_member_description"> |
| <p>24 bits in 24 bits, unsigned, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S20:CAPS"></a>GST_AUDIO_FORMAT_S20</p></td> |
| <td class="enum_member_description"> |
| <p>20 bits in 24 bits, signed, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U20:CAPS"></a>GST_AUDIO_FORMAT_U20</p></td> |
| <td class="enum_member_description"> |
| <p>20 bits in 24 bits, unsigned, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-S18:CAPS"></a>GST_AUDIO_FORMAT_S18</p></td> |
| <td class="enum_member_description"> |
| <p>18 bits in 24 bits, signed, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-U18:CAPS"></a>GST_AUDIO_FORMAT_U18</p></td> |
| <td class="enum_member_description"> |
| <p>18 bits in 24 bits, unsigned, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-F32:CAPS"></a>GST_AUDIO_FORMAT_F32</p></td> |
| <td class="enum_member_description"> |
| <p>32-bit floating point samples, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-F64:CAPS"></a>GST_AUDIO_FORMAT_F64</p></td> |
| <td class="enum_member_description"> |
| <p>64-bit floating point samples, native endianness</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstAudioFormatFlags"></a><h3>enum GstAudioFormatFlags</h3> |
| <p>The different audio flags that a format info can have.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.8.4.4"></a><h4>Members</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-FLAG-INTEGER:CAPS"></a>GST_AUDIO_FORMAT_FLAG_INTEGER</p></td> |
| <td class="enum_member_description"> |
| <p>integer samples</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-FLAG-FLOAT:CAPS"></a>GST_AUDIO_FORMAT_FLAG_FLOAT</p></td> |
| <td class="enum_member_description"> |
| <p>float samples</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-FLAG-SIGNED:CAPS"></a>GST_AUDIO_FORMAT_FLAG_SIGNED</p></td> |
| <td class="enum_member_description"> |
| <p>signed samples</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-FLAG-COMPLEX:CAPS"></a>GST_AUDIO_FORMAT_FLAG_COMPLEX</p></td> |
| <td class="enum_member_description"> |
| <p>complex layout</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-FORMAT-FLAG-UNPACK:CAPS"></a>GST_AUDIO_FORMAT_FLAG_UNPACK</p></td> |
| <td class="enum_member_description"> |
| <p>the format can be used in |
| <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatUnpack" title="GstAudioFormatUnpack ()"><span class="type">GstAudioFormatUnpack</span></a> and <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatPack" title="GstAudioFormatPack ()"><span class="type">GstAudioFormatPack</span></a> functions</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstAudioFormatInfo"></a><h3>struct GstAudioFormatInfo</h3> |
| <pre class="programlisting">struct GstAudioFormatInfo { |
| GstAudioFormat format; |
| const gchar *name; |
| const gchar *description; |
| GstAudioFormatFlags flags; |
| gint endianness; |
| gint width; |
| gint depth; |
| guint8 silence[8]; |
| |
| GstAudioFormat unpack_format; |
| GstAudioFormatUnpack unpack_func; |
| GstAudioFormatPack pack_func; |
| }; |
| </pre> |
| <p>Information for an audio format.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.8.5.5"></a><h4>Members</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="struct_members_name"> |
| <col class="struct_members_description"> |
| <col width="200px" class="struct_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a> <em class="structfield"><code><a name="GstAudioFormatInfo.format"></a>format</code></em>;</p></td> |
| <td class="struct_member_description"><p><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a></p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GstAudioFormatInfo.name"></a>name</code></em>;</p></td> |
| <td class="struct_member_description"><p>string representation of the format</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GstAudioFormatInfo.description"></a>description</code></em>;</p></td> |
| <td class="struct_member_description"><p>user readable description of the format</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatFlags" title="enum GstAudioFormatFlags"><span class="type">GstAudioFormatFlags</span></a> <em class="structfield"><code><a name="GstAudioFormatInfo.flags"></a>flags</code></em>;</p></td> |
| <td class="struct_member_description"><p><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatFlags" title="enum GstAudioFormatFlags"><span class="type">GstAudioFormatFlags</span></a></p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstAudioFormatInfo.endianness"></a>endianness</code></em>;</p></td> |
| <td class="struct_member_description"><p>the endianness</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstAudioFormatInfo.width"></a>width</code></em>;</p></td> |
| <td class="struct_member_description"><p>amount of bits used for one sample</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstAudioFormatInfo.depth"></a>depth</code></em>;</p></td> |
| <td class="struct_member_description"><p>amount of valid bits in <em class="parameter"><code>width</code></em> |
| </p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><span class="type">guint8</span> <em class="structfield"><code><a name="GstAudioFormatInfo.silence"></a>silence</code></em>[8];</p></td> |
| <td class="struct_member_description"><p><em class="parameter"><code>width</code></em> |
| /8 bytes with 1 silent sample</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormat" title="enum GstAudioFormat"><span class="type">GstAudioFormat</span></a> <em class="structfield"><code><a name="GstAudioFormatInfo.unpack-format"></a>unpack_format</code></em>;</p></td> |
| <td class="struct_member_description"><p>the format of the unpacked samples</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatUnpack" title="GstAudioFormatUnpack ()"><span class="type">GstAudioFormatUnpack</span></a> <em class="structfield"><code><a name="GstAudioFormatInfo.unpack-func"></a>unpack_func</code></em>;</p></td> |
| <td class="struct_member_description"><p>function to unpack samples</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatPack" title="GstAudioFormatPack ()"><span class="type">GstAudioFormatPack</span></a> <em class="structfield"><code><a name="GstAudioFormatInfo.pack-func"></a>pack_func</code></em>;</p></td> |
| <td class="struct_member_description"><p>function to pack samples</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstAudioInfo"></a><h3>struct GstAudioInfo</h3> |
| <pre class="programlisting">struct GstAudioInfo { |
| const GstAudioFormatInfo *finfo; |
| GstAudioFlags flags; |
| GstAudioLayout layout; |
| gint rate; |
| gint channels; |
| gint bpf; |
| GstAudioChannelPosition position[64]; |
| }; |
| </pre> |
| <p>Information describing audio properties. This information can be filled |
| in from GstCaps with <a class="link" href="gst-plugins-base-libs-gstaudio.html#gst-audio-info-from-caps" title="gst_audio_info_from_caps ()"><code class="function">gst_audio_info_from_caps()</code></a>.</p> |
| <p>Use the provided macros to access the info in this structure.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.8.6.6"></a><h4>Members</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="struct_members_name"> |
| <col class="struct_members_description"> |
| <col width="200px" class="struct_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="struct_member_name"><p>const <a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFormatInfo" title="struct GstAudioFormatInfo"><span class="type">GstAudioFormatInfo</span></a> *<em class="structfield"><code><a name="GstAudioInfo.finfo"></a>finfo</code></em>;</p></td> |
| <td class="struct_member_description"><p>the format info of the audio</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioFlags" title="enum GstAudioFlags"><span class="type">GstAudioFlags</span></a> <em class="structfield"><code><a name="GstAudioInfo.flags"></a>flags</code></em>;</p></td> |
| <td class="struct_member_description"><p>additional audio flags</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-gstaudio.html#GstAudioLayout" title="enum GstAudioLayout"><span class="type">GstAudioLayout</span></a> <em class="structfield"><code><a name="GstAudioInfo.layout"></a>layout</code></em>;</p></td> |
| <td class="struct_member_description"><p>audio layout</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstAudioInfo.rate"></a>rate</code></em>;</p></td> |
| <td class="struct_member_description"><p>the audio sample rate</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstAudioInfo.channels"></a>channels</code></em>;</p></td> |
| <td class="struct_member_description"><p>the number of channels</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstAudioInfo.bpf"></a>bpf</code></em>;</p></td> |
| <td class="struct_member_description"><p>the number of bytes for one frame, this is the size of one |
| sample * <em class="parameter"><code>channels</code></em> |
| </p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-gstaudiochannels.html#GstAudioChannelPosition" title="enum GstAudioChannelPosition"><span class="type">GstAudioChannelPosition</span></a> <em class="structfield"><code><a name="GstAudioInfo.position"></a>position</code></em>[64];</p></td> |
| <td class="struct_member_description"><p>the positions for each channel</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstAudioLayout"></a><h3>enum GstAudioLayout</h3> |
| <p>Layout of the audio samples for the different channels.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.8.7.4"></a><h4>Members</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-LAYOUT-INTERLEAVED:CAPS"></a>GST_AUDIO_LAYOUT_INTERLEAVED</p></td> |
| <td class="enum_member_description"> |
| <p>interleaved audio</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-LAYOUT-NON-INTERLEAVED:CAPS"></a>GST_AUDIO_LAYOUT_NON_INTERLEAVED</p></td> |
| <td class="enum_member_description"> |
| <p>non-interleaved audio</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstAudioPackFlags"></a><h3>enum GstAudioPackFlags</h3> |
| <p>The different flags that can be used when packing and unpacking.</p> |
| <div class="refsect3"> |
| <a name="id-1.2.6.3.8.8.4"></a><h4>Members</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="enum_member_name"><p><a name="GST-AUDIO-PACK-FLAG-NONE:CAPS"></a>GST_AUDIO_PACK_FLAG_NONE</p></td> |
| <td class="enum_member_description"> |
| <p>No flag</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-META-TAG-AUDIO-STR:CAPS"></a><h3>GST_META_TAG_AUDIO_STR</h3> |
| <pre class="programlisting">#define GST_META_TAG_AUDIO_STR "audio" |
| </pre> |
| <p>This metadata is relevant for audio streams.</p> |
| <p class="since">Since: 1.2</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-META-TAG-AUDIO-CHANNELS-STR:CAPS"></a><h3>GST_META_TAG_AUDIO_CHANNELS_STR</h3> |
| <pre class="programlisting">#define GST_META_TAG_AUDIO_CHANNELS_STR "channels" |
| </pre> |
| <p>This metadata stays relevant as long as channels are unchanged.</p> |
| <p class="since">Since: 1.2</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-RATE-RANGE:CAPS"></a><h3>GST_AUDIO_RATE_RANGE</h3> |
| <pre class="programlisting">#define GST_AUDIO_RATE_RANGE "(int) [ 1, max ]" |
| </pre> |
| <p>Maximum range of allowed sample rates, for use in template caps strings.</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-CHANNELS-RANGE:CAPS"></a><h3>GST_AUDIO_CHANNELS_RANGE</h3> |
| <pre class="programlisting">#define GST_AUDIO_CHANNELS_RANGE "(int) [ 1, max ]" |
| </pre> |
| <p>Maximum range of allowed channels, for use in template caps strings.</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-FORMATS-ALL:CAPS"></a><h3>GST_AUDIO_FORMATS_ALL</h3> |
| <pre class="programlisting">#define GST_AUDIO_FORMATS_ALL</pre> |
| <p>List of all audio formats, for use in template caps strings.</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-DEF-RATE:CAPS"></a><h3>GST_AUDIO_DEF_RATE</h3> |
| <pre class="programlisting">#define GST_AUDIO_DEF_RATE 44100 |
| </pre> |
| <p>Standard sampling rate used in consumer audio.</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-DEF-CHANNELS:CAPS"></a><h3>GST_AUDIO_DEF_CHANNELS</h3> |
| <pre class="programlisting">#define GST_AUDIO_DEF_CHANNELS 2 |
| </pre> |
| <p>Standard number of channels used in consumer audio.</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-AUDIO-DEF-FORMAT:CAPS"></a><h3>GST_AUDIO_DEF_FORMAT</h3> |
| <pre class="programlisting">#define GST_AUDIO_DEF_FORMAT "S16LE" |
| </pre> |
| <p>Standard format used in consumer audio.</p> |
| </div> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.24</div> |
| </body> |
| </html> |
