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<h1>sample.h</h1><a href="sample_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef foosamplehfoo</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define foosamplehfoo</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="comment">/***</span>
<a name="l00005"></a>00005 <span class="comment"> This file is part of PulseAudio.</span>
<a name="l00006"></a>00006 <span class="comment"></span>
<a name="l00007"></a>00007 <span class="comment"> Copyright 2004-2006 Lennart Poettering</span>
<a name="l00008"></a>00008 <span class="comment"> Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"> PulseAudio is free software; you can redistribute it and/or modify</span>
<a name="l00011"></a>00011 <span class="comment"> it under the terms of the GNU Lesser General Public License as published</span>
<a name="l00012"></a>00012 <span class="comment"> by the Free Software Foundation; either version 2.1 of the License,</span>
<a name="l00013"></a>00013 <span class="comment"> or (at your option) any later version.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment"> PulseAudio is distributed in the hope that it will be useful, but</span>
<a name="l00016"></a>00016 <span class="comment"> WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00017"></a>00017 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00018"></a>00018 <span class="comment"> General Public License for more details.</span>
<a name="l00019"></a>00019 <span class="comment"></span>
<a name="l00020"></a>00020 <span class="comment"> You should have received a copy of the GNU Lesser General Public License</span>
<a name="l00021"></a>00021 <span class="comment"> along with PulseAudio; if not, write to the Free Software</span>
<a name="l00022"></a>00022 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307</span>
<a name="l00023"></a>00023 <span class="comment"> USA.</span>
<a name="l00024"></a>00024 <span class="comment">***/</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include <inttypes.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <sys/param.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <math.h></span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="preprocessor">#include <<a class="code" href="gccmacro_8h.html" title="GCC attribute macros.">pulse/gccmacro.h</a>></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <pulse/cdecl.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <<a class="code" href="version_8h.html" title="Define header version.">pulse/version.h</a>></span>
<a name="l00034"></a>00034
<a name="l00110"></a>00110 PA_C_DECL_BEGIN
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="preprocessor">#if !defined(WORDS_BIGENDIAN)</span>
<a name="l00113"></a>00113 <span class="preprocessor"></span><span class="preprocessor">#if defined(__BYTE_ORDER)</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span><span class="preprocessor">#if __BYTE_ORDER == __BIG_ENDIAN</span>
<a name="l00115"></a>00115 <span class="preprocessor"></span><span class="preprocessor">#define WORDS_BIGENDIAN</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00117"></a>00117 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00118"></a>00118 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span>
<a name="l00121"></a><a class="code" href="sample_8h.html#4c6778fd8a093f9984ce0448f81d9dcf">00121</a> <span class="preprocessor">#define PA_CHANNELS_MAX 32U</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span>
<a name="l00124"></a><a class="code" href="sample_8h.html#3a7f31e73acc7e833fe0d49290adf839">00124</a> <span class="preprocessor">#define PA_RATE_MAX (48000U*4U)</span>
<a name="l00125"></a>00125 <span class="preprocessor"></span>
<a name="l00127"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f">00127</a> <span class="keyword">typedef</span> <span class="keyword">enum</span> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f" title="Sample format.">pa_sample_format</a> {
<a name="l00128"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f40e5414deb5fbd486c2929e6993a5544">00128</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f40e5414deb5fbd486c2929e6993a5544" title="Unsigned 8 Bit PCM.">PA_SAMPLE_U8</a>,
<a name="l00131"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f267f6542eb6f66ca61c4cccf61326522">00131</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f267f6542eb6f66ca61c4cccf61326522" title="8 Bit a-Law">PA_SAMPLE_ALAW</a>,
<a name="l00134"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f83116fc70f8577fdcf694474a60c2e1f">00134</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f83116fc70f8577fdcf694474a60c2e1f" title="8 Bit mu-Law">PA_SAMPLE_ULAW</a>,
<a name="l00137"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f50e4a2b43c258e559fa9d252275131ce">00137</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f50e4a2b43c258e559fa9d252275131ce" title="Signed 16 Bit PCM, little endian (PC).">PA_SAMPLE_S16LE</a>,
<a name="l00140"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f783cb88f5021ff01fa7ba6d1c2bee84c">00140</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f783cb88f5021ff01fa7ba6d1c2bee84c" title="Signed 16 Bit PCM, big endian.">PA_SAMPLE_S16BE</a>,
<a name="l00143"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fd2f6c96c4f0cd2a841fbe4840488b548">00143</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fd2f6c96c4f0cd2a841fbe4840488b548" title="32 Bit IEEE floating point, little endian (PC), range -1.0 to 1.0">PA_SAMPLE_FLOAT32LE</a>,
<a name="l00146"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f3550123d5ef697b349edea2ddf61d6b4">00146</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f3550123d5ef697b349edea2ddf61d6b4" title="32 Bit IEEE floating point, big endian, range -1.0 to 1.0">PA_SAMPLE_FLOAT32BE</a>,
<a name="l00149"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f3eb5213ed7a0887b5dcd28cfc97e3457">00149</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f3eb5213ed7a0887b5dcd28cfc97e3457" title="Signed 32 Bit PCM, little endian (PC).">PA_SAMPLE_S32LE</a>,
<a name="l00152"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05ff81ba0a2b599c490228f619e2a8d3b0e">00152</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05ff81ba0a2b599c490228f619e2a8d3b0e" title="Signed 32 Bit PCM, big endian.">PA_SAMPLE_S32BE</a>,
<a name="l00155"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fab50478dbb74cceddcb254928646a0c7">00155</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fab50478dbb74cceddcb254928646a0c7" title="Signed 24 Bit PCM packed, little endian (PC).">PA_SAMPLE_S24LE</a>,
<a name="l00158"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fadff0a924aee5c95c7fdd923c56621b6">00158</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fadff0a924aee5c95c7fdd923c56621b6" title="Signed 24 Bit PCM packed, big endian.">PA_SAMPLE_S24BE</a>,
<a name="l00161"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f6d91d680c240fde8ae3cdafa9900c055">00161</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05f6d91d680c240fde8ae3cdafa9900c055" title="Signed 24 Bit PCM in LSB of 32 Bit words, little endian (PC).">PA_SAMPLE_S24_32LE</a>,
<a name="l00164"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fcd9ce7bf2cc5d2c4f72a59b9ae0bef89">00164</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fcd9ce7bf2cc5d2c4f72a59b9ae0bef89" title="Signed 24 Bit PCM in LSB of 32 Bit words, big endian.">PA_SAMPLE_S24_32BE</a>,
<a name="l00167"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fa6fe0e0623f9e2204c63c293f13597a1">00167</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05fa6fe0e0623f9e2204c63c293f13597a1" title="Upper limit of valid sample types.">PA_SAMPLE_MAX</a>,
<a name="l00170"></a><a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05ffe8a3cc049d2c9820efd8fea80e01e10">00170</a> <a class="code" href="sample_8h.html#3c622fc51f4fc6ebfdcc7b454ac9c05ffe8a3cc049d2c9820efd8fea80e01e10" title="An invalid value.">PA_SAMPLE_INVALID</a> = -1
<a name="l00172"></a>00172 } <a class="code" href="sample_8h.html#41051ceaa5cfbe60c9b176deb7bfed0e" title="Sample format.">pa_sample_format_t</a>;
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="preprocessor">#ifdef WORDS_BIGENDIAN</span>
<a name="l00175"></a>00175 <span class="preprocessor"></span>
<a name="l00176"></a>00176 <span class="preprocessor">#define PA_SAMPLE_S16NE PA_SAMPLE_S16BE</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span>
<a name="l00178"></a>00178 <span class="preprocessor">#define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32BE</span>
<a name="l00179"></a>00179 <span class="preprocessor"></span>
<a name="l00180"></a>00180 <span class="preprocessor">#define PA_SAMPLE_S32NE PA_SAMPLE_S32BE</span>
<a name="l00181"></a>00181 <span class="preprocessor"></span>
<a name="l00182"></a>00182 <span class="preprocessor">#define PA_SAMPLE_S24NE PA_SAMPLE_S24BE</span>
<a name="l00183"></a>00183 <span class="preprocessor"></span>
<a name="l00184"></a>00184 <span class="preprocessor">#define PA_SAMPLE_S24_32NE PA_SAMPLE_S24_32BE</span>
<a name="l00185"></a>00185 <span class="preprocessor"></span>
<a name="l00187"></a>00187 <span class="preprocessor">#define PA_SAMPLE_S16RE PA_SAMPLE_S16LE</span>
<a name="l00188"></a>00188 <span class="preprocessor"></span>
<a name="l00189"></a>00189 <span class="preprocessor">#define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32LE</span>
<a name="l00190"></a>00190 <span class="preprocessor"></span>
<a name="l00191"></a>00191 <span class="preprocessor">#define PA_SAMPLE_S32RE PA_SAMPLE_S32LE</span>
<a name="l00192"></a>00192 <span class="preprocessor"></span>
<a name="l00193"></a>00193 <span class="preprocessor">#define PA_SAMPLE_S24RE PA_SAMPLE_S24LE</span>
<a name="l00194"></a>00194 <span class="preprocessor"></span>
<a name="l00195"></a>00195 <span class="preprocessor">#define PA_SAMPLE_S24_32RE PA_SAMPLE_S24_32LE</span>
<a name="l00196"></a>00196 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00197"></a>00197 <span class="preprocessor"></span>
<a name="l00198"></a><a class="code" href="sample_8h.html#292c1d8ebd4ca0de1d5d5379ee7be38a">00198</a> <span class="preprocessor">#define PA_SAMPLE_S16NE PA_SAMPLE_S16LE</span>
<a name="l00199"></a>00199 <span class="preprocessor"></span>
<a name="l00200"></a><a class="code" href="sample_8h.html#25befbdbf9fdc57012ce00dcc1756eac">00200</a> <span class="preprocessor">#define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32LE</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span>
<a name="l00202"></a><a class="code" href="sample_8h.html#f5b3efe108944c746a07128d9f24c889">00202</a> <span class="preprocessor">#define PA_SAMPLE_S32NE PA_SAMPLE_S32LE</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span>
<a name="l00204"></a><a class="code" href="sample_8h.html#095cd643a682ad1e55205283c42f9aa9">00204</a> <span class="preprocessor">#define PA_SAMPLE_S24NE PA_SAMPLE_S24LE</span>
<a name="l00205"></a>00205 <span class="preprocessor"></span>
<a name="l00206"></a><a class="code" href="sample_8h.html#faf7880f4fa75428bad1d458316e030e">00206</a> <span class="preprocessor">#define PA_SAMPLE_S24_32NE PA_SAMPLE_S24_32LE</span>
<a name="l00207"></a>00207 <span class="preprocessor"></span>
<a name="l00209"></a><a class="code" href="sample_8h.html#688b20beba239784f7d92b79a626267a">00209</a> <span class="preprocessor">#define PA_SAMPLE_S16RE PA_SAMPLE_S16BE</span>
<a name="l00210"></a>00210 <span class="preprocessor"></span>
<a name="l00211"></a><a class="code" href="sample_8h.html#a07717de5712b215af265b35d9daee78">00211</a> <span class="preprocessor">#define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32BE</span>
<a name="l00212"></a>00212 <span class="preprocessor"></span>
<a name="l00213"></a><a class="code" href="sample_8h.html#c9bfd0ece22174acad5eb021ff159a61">00213</a> <span class="preprocessor">#define PA_SAMPLE_S32RE PA_SAMPLE_S32BE</span>
<a name="l00214"></a>00214 <span class="preprocessor"></span>
<a name="l00215"></a><a class="code" href="sample_8h.html#dcdf168f62fd7a27705de50058c6bd5c">00215</a> <span class="preprocessor">#define PA_SAMPLE_S24RE PA_SAMPLE_S24BE</span>
<a name="l00216"></a>00216 <span class="preprocessor"></span>
<a name="l00217"></a><a class="code" href="sample_8h.html#ddb0fe697d3b6a8ce8c13fb711253630">00217</a> <span class="preprocessor">#define PA_SAMPLE_S24_32RE PA_SAMPLE_S24_32BE</span>
<a name="l00218"></a>00218 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00219"></a>00219 <span class="preprocessor"></span>
<a name="l00221"></a><a class="code" href="sample_8h.html#dce65a384a3af05a2481aff5fd2632fb">00221</a> <span class="preprocessor">#define PA_SAMPLE_FLOAT32 PA_SAMPLE_FLOAT32NE</span>
<a name="l00222"></a>00222 <span class="preprocessor"></span>
<a name="l00224"></a>00224 <span class="comment">/* Allow clients to check with #ifdef for these sample formats */</span>
<a name="l00225"></a>00225 <span class="preprocessor">#define PA_SAMPLE_U8 PA_SAMPLE_U8</span>
<a name="l00226"></a>00226 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_ALAW PA_SAMPLE_ALAW</span>
<a name="l00227"></a>00227 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_ULAW PA_SAMPLE_ULAW</span>
<a name="l00228"></a>00228 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_S16LE PA_SAMPLE_S16LE</span>
<a name="l00229"></a>00229 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_S16BE PA_SAMPLE_S16BE</span>
<a name="l00230"></a>00230 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_FLOAT32LE PA_SAMPLE_FLOAT32LE</span>
<a name="l00231"></a>00231 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_FLOAT32BE PA_SAMPLE_FLOAT32BE</span>
<a name="l00232"></a>00232 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_S32LE PA_SAMPLE_S32LE</span>
<a name="l00233"></a>00233 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_S32BE PA_SAMPLE_S32BE</span>
<a name="l00234"></a>00234 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_S24LE PA_SAMPLE_S24LE</span>
<a name="l00235"></a>00235 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_S24BE PA_SAMPLE_S24BE</span>
<a name="l00236"></a>00236 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_S24_32LE PA_SAMPLE_S24_32LE</span>
<a name="l00237"></a>00237 <span class="preprocessor"></span><span class="preprocessor">#define PA_SAMPLE_S24_32BE PA_SAMPLE_S24_32BE</span>
<a name="l00238"></a>00238 <span class="preprocessor"></span>
<a name="l00241"></a><a class="code" href="structpa__sample__spec.html">00241</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a> {
<a name="l00242"></a>00242 <a class="code" href="sample_8h.html#41051ceaa5cfbe60c9b176deb7bfed0e" title="Sample format.">pa_sample_format_t</a> <a class="code" href="structpa__sample__spec.html#6f37954f1b7ac9d9bff4683171a10a99" title="The sample format.">format</a>;
<a name="l00245"></a>00245 uint32_t <a class="code" href="structpa__sample__spec.html#4fd5a1ef48c1cbea95a94b20a5cc02b0" title="The sample rate.">rate</a>;
<a name="l00248"></a>00248 uint8_t <a class="code" href="structpa__sample__spec.html#625155d20d7e50a3808b889e314d25fa" title="Audio channels.">channels</a>;
<a name="l00250"></a>00250 } <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a>;
<a name="l00251"></a>00251
<a name="l00253"></a><a class="code" href="sample_8h.html#885df3b973773f0dccbbec6bc6777f89">00253</a> <span class="keyword">typedef</span> uint64_t <a class="code" href="sample_8h.html#885df3b973773f0dccbbec6bc6777f89" title="Type for usec specifications (unsigned).">pa_usec_t</a>;
<a name="l00254"></a>00254
<a name="l00256"></a>00256 <span class="keywordtype">size_t</span> <a class="code" href="sample_8h.html#674c3449416e97b71a75feb64ca59ad4" title="Return the amount of bytes playback of a second of audio with the specified sample...">pa_bytes_per_second</a>(<span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a> *spec) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00257"></a>00257
<a name="l00259"></a>00259 <span class="keywordtype">size_t</span> <a class="code" href="sample_8h.html#035d79171e183f6315e6e65436f5e939" title="Return the size of a frame with the specific sample type.">pa_frame_size</a>(<span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a> *spec) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00260"></a>00260
<a name="l00262"></a>00262 <span class="keywordtype">size_t</span> <a class="code" href="sample_8h.html#ae286d84c2975248f65f804d4c24ef39" title="Return the size of a sample with the specific sample type.">pa_sample_size</a>(<span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a> *spec) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00263"></a>00263
<a name="l00266"></a>00266 <span class="keywordtype">size_t</span> <a class="code" href="sample_8h.html#46b2c919b75efbb2b3c3d703ba57fdf6" title="Similar to pa_sample_size() but take a sample format instead of a full sample spec...">pa_sample_size_of_format</a>(<a class="code" href="sample_8h.html#41051ceaa5cfbe60c9b176deb7bfed0e" title="Sample format.">pa_sample_format_t</a> f) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00267"></a>00267
<a name="l00271"></a>00271 <a class="code" href="sample_8h.html#885df3b973773f0dccbbec6bc6777f89" title="Type for usec specifications (unsigned).">pa_usec_t</a> <a class="code" href="sample_8h.html#b3c5f4af357686fdc7df46c9581154bd" title="Calculate the time the specified bytes take to play with the specified sample type...">pa_bytes_to_usec</a>(uint64_t length, <span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a> *spec) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00272"></a>00272
<a name="l00276"></a>00276 <span class="keywordtype">size_t</span> <a class="code" href="sample_8h.html#a941cbdb65f1f0265a1d165bc14db034" title="Calculates the number of bytes that are required for the specified time.">pa_usec_to_bytes</a>(<a class="code" href="sample_8h.html#885df3b973773f0dccbbec6bc6777f89" title="Type for usec specifications (unsigned).">pa_usec_t</a> t, <span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a> *spec) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00277"></a>00277
<a name="l00281"></a>00281 <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a>* <a class="code" href="sample_8h.html#5d392d4cc38109670585708f5062c2fe" title="Initialize the specified sample spec and return a pointer to it.">pa_sample_spec_init</a>(<a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a> *spec);
<a name="l00282"></a>00282
<a name="l00284"></a>00284 <span class="keywordtype">int</span> <a class="code" href="sample_8h.html#0d9ad972ee71ef6bff8aaafd44fdb229" title="Return non-zero when the sample type specification is valid.">pa_sample_spec_valid</a>(<span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a> *spec) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00285"></a>00285
<a name="l00287"></a>00287 <span class="keywordtype">int</span> <a class="code" href="sample_8h.html#c4c2262bf88bd90fc68767e69fb6810c" title="Return non-zero when the two sample type specifications match.">pa_sample_spec_equal</a>(<span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a>*a, <span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a>*b) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00288"></a>00288
<a name="l00290"></a>00290 <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="sample_8h.html#70804b50d5507f9a7680d4e809e337ed" title="Return a descriptive string for the specified sample format.">pa_sample_format_to_string</a>(<a class="code" href="sample_8h.html#41051ceaa5cfbe60c9b176deb7bfed0e" title="Sample format.">pa_sample_format_t</a> f) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00291"></a>00291
<a name="l00293"></a>00293 <a class="code" href="sample_8h.html#41051ceaa5cfbe60c9b176deb7bfed0e" title="Sample format.">pa_sample_format_t</a> <a class="code" href="sample_8h.html#2819db448dd45edb5d777b7568dd3236" title="Parse a sample format text.">pa_parse_sample_format</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *format) <a class="code" href="gccmacro_8h.html#a1c5f50faa1073e28ba469b86f6a0548" title="This function&#39;s return value depends only the arguments list and global state...">PA_GCC_PURE</a>;
<a name="l00294"></a>00294
<a name="l00300"></a><a class="code" href="sample_8h.html#61844a6fa4a5a91bbeca1049c4969bb8">00300</a> <span class="preprocessor">#define PA_SAMPLE_SPEC_SNPRINT_MAX 32</span>
<a name="l00301"></a>00301 <span class="preprocessor"></span>
<a name="l00303"></a>00303 <span class="keywordtype">char</span>* <a class="code" href="sample_8h.html#3dd4815bbd51d5467b40e28d05ad948d" title="Pretty print a sample type specification to a string.">pa_sample_spec_snprint</a>(<span class="keywordtype">char</span> *s, <span class="keywordtype">size_t</span> l, <span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html" title="A sample format and attribute specification.">pa_sample_spec</a> *spec);
<a name="l00304"></a>00304
<a name="l00306"></a>00306 <span class="keywordtype">char</span>* <a class="code" href="sample_8h.html#4992ec70d79de601c6f8f6cc5cab8e59" title="Pretty print a byte size value.">pa_bytes_snprint</a>(<span class="keywordtype">char</span> *s, <span class="keywordtype">size_t</span> l, <span class="keywordtype">unsigned</span> v);
<a name="l00307"></a>00307
<a name="l00308"></a>00308 PA_C_DECL_END
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="preprocessor">#endif</span>
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Sep 2 04:18:19 2009 for PulseAudio by
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distrib
>
Mandriva
>
2009.1
>
x86_64
>
media
>
main-testing
>
by-pkgid
>
187676b5433787923dfa2cdd6900c6cd
>
files
>
144
