<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <style>  </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>No this is not on USB. I am writing a new ALSA driver for a new hardware and when I play through pulse audio, first time after reboot, I get a hush noise (empty buffers?).<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>Can you please give some clue if pulse audio is sending it or is there anything else you think is going wrong. This happens only for the first file after reboot and not for subsequent files.<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>Thanks<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>Harsha<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>On Thu, 18.06.09 09:51, Harsha, Priya (priya.harsha@intel.com) wrote:<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> Hi,<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> <o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> When I play the very first file after booting my system from pulse<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> audio, I hear a hush noise before the music starts. After a little<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> driver debugging, it looks like Pulse audio might be initially<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> sending empty buffers for the very first time. Is that righty by any<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> chance? Then after, for any file play, I don't get these hush noise.<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> <o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> Can anyone give me clue as to what pulse audio does when it opens<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>> the ALSA driver handle for the first time?<o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>Is that on USB? This is actually borkage in the USB audio driver. <o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><a href="https://bugzilla.redhat.com/show_bug.cgi?id=497742">https://bugzilla.redhat.com/show_bug.cgi?id=497742</a><o:p></o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></font></p> <p class=MsoNormal style='text-autospace:none'><font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>Lennart<o:p></o:p></span></font></p> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt; font-family:Arial'><o:p> </o:p></span></font></p> </div> </body> </html>