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<div class="headertitle"> <div class="title">tlv.c File Reference</div> </div> </div><!--header--> <div class="contents"> <p>dB conversion functions from control TLV information <a href="#details">More...</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:ga4fa0bc99458acc08a2c59e6ed84bc94e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___control.html#ga4fa0bc99458acc08a2c59e6ed84bc94e">snd_tlv_parse_dB_info</a> (unsigned int *tlv, unsigned int tlv_size, unsigned int **db_tlvp)</td></tr> <tr class="memdesc:ga4fa0bc99458acc08a2c59e6ed84bc94e"><td class="mdescLeft"> </td><td class="mdescRight">Parse TLV stream and retrieve dB information. <a href="group___control.html#ga4fa0bc99458acc08a2c59e6ed84bc94e">More...</a><br/></td></tr> <tr class="separator:ga4fa0bc99458acc08a2c59e6ed84bc94e"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gad1feefed923fc08f309c4fec2b0973e2"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___control.html#gad1feefed923fc08f309c4fec2b0973e2">snd_tlv_get_dB_range</a> (unsigned int *tlv, long rangemin, long rangemax, long *min, long *max)</td></tr> <tr class="memdesc:gad1feefed923fc08f309c4fec2b0973e2"><td class="mdescLeft"> </td><td class="mdescRight">Get the dB min/max values. <a href="group___control.html#gad1feefed923fc08f309c4fec2b0973e2">More...</a><br/></td></tr> <tr class="separator:gad1feefed923fc08f309c4fec2b0973e2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga625c16724bddbb21b18ae3b2cbaefcda"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___control.html#ga625c16724bddbb21b18ae3b2cbaefcda">snd_tlv_convert_to_dB</a> (unsigned int *tlv, long rangemin, long rangemax, long volume, long *db_gain)</td></tr> <tr class="memdesc:ga625c16724bddbb21b18ae3b2cbaefcda"><td class="mdescLeft"> </td><td class="mdescRight">Convert the given raw volume value to a dB gain. <a href="group___control.html#ga625c16724bddbb21b18ae3b2cbaefcda">More...</a><br/></td></tr> <tr class="separator:ga625c16724bddbb21b18ae3b2cbaefcda"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga0ef60f47c8c82dd84816ae66346359a6"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___control.html#ga0ef60f47c8c82dd84816ae66346359a6">snd_tlv_convert_from_dB</a> (unsigned int *tlv, long rangemin, long rangemax, long db_gain, long *value, int xdir)</td></tr> <tr class="memdesc:ga0ef60f47c8c82dd84816ae66346359a6"><td class="mdescLeft"> </td><td class="mdescRight">Convert from dB gain to the corresponding raw value. <a href="group___control.html#ga0ef60f47c8c82dd84816ae66346359a6">More...</a><br/></td></tr> <tr class="separator:ga0ef60f47c8c82dd84816ae66346359a6"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga6ebf9a5917cdc2fee40245cdbc83a0c1"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___control.html#ga6ebf9a5917cdc2fee40245cdbc83a0c1">snd_ctl_get_dB_range</a> (<a class="el" href="group___control.html#ga06628f38def84a0fe3da74041db9d51f">snd_ctl_t</a> *ctl, const <a class="el" href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a> *id, long *min, long *max)</td></tr> <tr class="memdesc:ga6ebf9a5917cdc2fee40245cdbc83a0c1"><td class="mdescLeft"> </td><td class="mdescRight">Get the dB min/max values on the given control element. <a href="group___control.html#ga6ebf9a5917cdc2fee40245cdbc83a0c1">More...</a><br/></td></tr> <tr class="separator:ga6ebf9a5917cdc2fee40245cdbc83a0c1"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gab44202cf8247874df15212d684a2b6ee"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___control.html#gab44202cf8247874df15212d684a2b6ee">snd_ctl_convert_to_dB</a> (<a class="el" href="group___control.html#ga06628f38def84a0fe3da74041db9d51f">snd_ctl_t</a> *ctl, const <a class="el" href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a> *id, long volume, long *db_gain)</td></tr> <tr class="memdesc:gab44202cf8247874df15212d684a2b6ee"><td class="mdescLeft"> </td><td class="mdescRight">Convert the volume value to dB on the given control element. <a href="group___control.html#gab44202cf8247874df15212d684a2b6ee">More...</a><br/></td></tr> <tr class="separator:gab44202cf8247874df15212d684a2b6ee"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga344c48d48be3f61d08ce911c462a3bf4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___control.html#ga344c48d48be3f61d08ce911c462a3bf4">snd_ctl_convert_from_dB</a> (<a class="el" href="group___control.html#ga06628f38def84a0fe3da74041db9d51f">snd_ctl_t</a> *ctl, const <a class="el" href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a> *id, long db_gain, long *value, int xdir)</td></tr> <tr class="memdesc:ga344c48d48be3f61d08ce911c462a3bf4"><td class="mdescLeft"> </td><td class="mdescRight">Convert from dB gain to the raw volume value on the given control element. <a href="group___control.html#ga344c48d48be3f61d08ce911c462a3bf4">More...</a><br/></td></tr> <tr class="separator:ga344c48d48be3f61d08ce911c462a3bf4"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>dB conversion functions from control TLV information </p> <dl class="section author"><dt>Author</dt><dd>Takashi Iwai <a href="#" onclick="location.href='mai'+'lto:'+'tiw'+'ai'+'@su'+'se'+'.de'; return false;">tiwai<span style="display: none;">.nosp@m.</span>@sus<span style="display: none;">.nosp@m.</span>e.de</a> </dd></dl> <dl class="section date"><dt>Date</dt><dd>2007 </dd></dl> </div></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> </html>