<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <meta name=Generator content="Microsoft Word 12 (filtered medium)"> <style>  </style>  </head> <body lang=ZH-CN link=blue vlink=purple> <div class=Section1> Basically I think it’s an alsa configuration issue. You may need to check your alsa configuration file and create a Bluetooth device inside it.<o:p></o:p> Please see below as an example. And then search on the internet to find more info.<o:p></o:p> <o:p> </o:p> pcm.m_voice{<o:p></o:p> type bluetooth<o:p></o:p> device "00:07:A4:B5:D8:9E" #optional, connects to specific device instead the default one<o:p></o:p> profile "voice" #optional, supported profiles are: auto, hifi and voice <o:p></o:p> }<o:p></o:p> pcm.bluetooth{<o:p></o:p> type bluetooth <o:p></o:p> device "00:07:A4:B5:D8:9E" #optional, connects to specific device instead the default one<o:p></o:p> profile "hifi" #optional, supported profiles are: auto, hifi and voice <o:p></o:p> }<o:p></o:p> pcm.hd{<o:p></o:p> type hw<o:p></o:p> device 0<o:p></o:p> card 0<o:p></o:p> }<o:p></o:p> pcm.!default{<o:p></o:p> type plug<o:p></o:p> slave.pcm "hd"<o:p></o:p> }<o:p></o:p> <o:p> </o:p> <div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'> From: satish kumar [mailto:gsatish10@gmail.com] Sent: Monday, May 31, 2010 8:06 PM To: gstreamer-devel@lists.sourceforge.net Subject: [gst-devel] blue tooth issue with gstreamer<o:p></o:p> </div> <o:p> </o:p>  Hi all    I need "aplay" command format to play audio song in BT headset (what are presettings to play headset    I am palying giving following commands.       Killall hcid    uim /dev/ttyO1 3686400 none /sys/uim/pid &    hciconfig hci0 up    hciconfig -a    hcid -s -f /etc/bluetooth/hcid.conf    and I am giving amixer seting commands as per I3.7-Pre2 release. amixer cset name='HandsfreeL Mux' 2 amixer cset name='HandsfreeL Switch' 1 amixer cset name='HandsfreeR Mux' 2 amixer cset name='HandsfreeR Switch' 1 amixer cset name='DAC2 Analog Playback Volume' 16 amixer cset name='HeadsetL Mixer AudioL2' 1 amixer cset name='HeadsetR Mixer AudioR2' 1 amixer cset name='Analog Left Main Mic Capture Switch' 1 amixer cset name='Analog Right Sub Mic Capture Switch' 1 amixer cset name='Analog Left Headset Mic Capture Switch' 1 Once it is done I am paring headset to zoom3 Device. When I am playing "gst-launch filesrc location"    gst-launch filesrc location=satish/track4.mp3 ! mp3parse ! goodec_mp3 ! a   lsasink device=bluetooth I am getting the error as    MP3 Decoder string device :i/:o//codec Setting pipeline to PAUSED ... ERROR: Pipeline doesn't want to pause. ERROR: from element /GstPipeline:pipeline0/<o:p></o:p> <div id=":xy"> GstAlsaSink:alsasink0: Could not open  audio device for playback. Additional debug info: gstalsasink.c(690): gst_alsasink_open (): /GstPipeline:pipeline0/GstAlsaSink:als asink0: Playback open error on device 'bluetooth': No such file or directory Setting pipeline to NULL ... Total time: 0.000000 seconds Freeing pipeline ... ˜7 µ„<@˜7 I am using gstreamer 0.10 version Linux 2.6.32 RC7 kernel Board is  zoom3. Can you please help me out what are reasons for the above error. And I am giving aplay command in the following format.  Aplay -D bluetooth track4.wav I am getting error as  ALSA lib pcm.c:2211:(snd_pcm_open_noupdate) Unknown PCM bluetooth  aplay: main:608: audio open error: No such file or directory<o:p></o:p> </div> </div> </body> </html>