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<h1>/builddir/build/BUILD/alsa-lib-1.0.17a/src/pcm/pcm_meter.c File Reference</h1>Helper functions for <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM scopes. <a href="#_details">More...</a>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#gc7750cd24c041dab30b65a823362f85a">snd_pcm_meter_add_scope</a> (<a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a> *pcm, <a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> *scope)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a scope to a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM. <a href="group___p_c_m___scope.html#gc7750cd24c041dab30b65a823362f85a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g39f1ebd5d32d7ef6d2699c2f82fe14dd">snd_pcm_meter_search_scope</a> (<a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a> *pcm, const char *name)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Search an installed scope inside a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM. <a href="group___p_c_m___scope.html#g39f1ebd5d32d7ef6d2699c2f82fe14dd"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g36e48967914c7670fc6fec3f9ae19bfc">snd_pcm_meter_get_bufsize</a> (<a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a> *pcm)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get meter buffer size from a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM. <a href="group___p_c_m___scope.html#g36e48967914c7670fc6fec3f9ae19bfc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#gf2f0e5837093a8b481306a42397f4006">snd_pcm_meter_get_channels</a> (<a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a> *pcm)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get meter channels from a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM. <a href="group___p_c_m___scope.html#gf2f0e5837093a8b481306a42397f4006"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g2da3e453651b7199e054344eacc49ece">snd_pcm_meter_get_rate</a> (<a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a> *pcm)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get meter rate from a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM. <a href="group___p_c_m___scope.html#g2da3e453651b7199e054344eacc49ece"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g46b05404a6c2cfe3847d53b3a25f8793">snd_pcm_meter_get_now</a> (<a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a> *pcm)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get meter "now" frame pointer from a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM. <a href="group___p_c_m___scope.html#g46b05404a6c2cfe3847d53b3a25f8793"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g7872e247f544553842bf3ce6453fb5f0">snd_pcm_meter_get_boundary</a> (<a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a> *pcm)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get boundary for frame pointers from a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM. <a href="group___p_c_m___scope.html#g7872e247f544553842bf3ce6453fb5f0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g94de3ea9e03ef3aa1364b88cf7cba37b">snd_pcm_scope_set_name</a> (<a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> *scope, const char *val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set name of a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM scope. <a href="group___p_c_m___scope.html#g94de3ea9e03ef3aa1364b88cf7cba37b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g2e193227294dff4b69a018b6e4e7960e">snd_pcm_scope_get_name</a> (<a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> *scope)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get name of a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM scope. <a href="group___p_c_m___scope.html#g2e193227294dff4b69a018b6e4e7960e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g2ff3c1e38080811e8c46842f3c6d2c28">snd_pcm_scope_set_ops</a> (<a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> *scope, <a class="el" href="struct__snd__pcm__scope__ops.html">snd_pcm_scope_ops_t</a> *val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set callbacks for a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM scope. <a href="group___p_c_m___scope.html#g2ff3c1e38080811e8c46842f3c6d2c28"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g6a039afea5a309bb96f167d2bcfedb1e">snd_pcm_scope_get_callback_private</a> (<a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> *scope)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get callbacks private value for a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM scope. <a href="group___p_c_m___scope.html#g6a039afea5a309bb96f167d2bcfedb1e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g89d86760e47c3355b05d703d3acafae0">snd_pcm_scope_set_callback_private</a> (<a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> *scope, void *val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get callbacks private value for a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM scope. <a href="group___p_c_m___scope.html#g89d86760e47c3355b05d703d3acafae0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g1829ef35a707c8336d961ac0c6524248">snd_pcm_scope_s16_open</a> (<a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a> *pcm, const char *name, <a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> **scopep)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a s16 pseudo scope to a <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM. <a href="group___p_c_m___scope.html#g1829ef35a707c8336d961ac0c6524248"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int16_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#g8c2caaec0109a23884f07aa6dcafcce6">snd_pcm_scope_s16_get_channel_buffer</a> (<a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> *scope, unsigned int channel)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get s16 pseudo scope frames buffer for a channel. <a href="group___p_c_m___scope.html#g8c2caaec0109a23884f07aa6dcafcce6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___scope.html#gd86eb1299f20388ab9fcb9e73863fa30">snd_pcm_scope_malloc</a> (<a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> **ptr)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">allocate an invalid <a class="el" href="group___p_c_m.html#g0f3b1ab9ab8c992af4b1132788f79939">snd_pcm_scope_t</a> using standard malloc <a href="group___p_c_m___scope.html#gd86eb1299f20388ab9fcb9e73863fa30"></a><br></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Helper functions for <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM scopes.
<p>
<dl compact><dt><b>Author:</b></dt><dd>Abramo Bagnara <<a href="mailto:abramo@alsa-project.org">abramo@alsa-project.org</a>> </dd></dl>
<dl compact><dt><b>Date:</b></dt><dd>2001</dd></dl>
Helper functions for <a class="el" href="group___p_c_m.html#gg60df675e39a8c0da3488bc06b1fe34ff8ed9dac157f4433fbc4233db1483b3d2">SND_PCM_TYPE_METER</a> PCM scopes <hr size="1"><address style="align: right;"><small>Generated on Tue Jan 20 22:42:10 2009 for ALSA project - the C library reference by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
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