Re: I can't use 3.31 release, but 3.19 release works on the same platform

　　1. my pcm_bluetooth plugins are installed in the right place of /usr/lib/alsa-lib. I copy the configure command line from README file.
　　
　　2. by the way, as for version 3.19. (if 3.31 could work for me, it is not important)
　　snd_pcm_hw_params() give the return value from low level function call:
　　return pcm->fast_ops->prepare(pcm->fast_op_arg);
　　I think it will recursive reference to Bluez stack.
　　
　　
　　>-----Original Message-----
　　>From: [email protected]
　　>[mailto:[email protected]] On Behalf Of Marcel
　　>Holtmann
　　>Sent: 2008年5月12日 21:48
　　>To: BlueZ development
　　>Cc: [email protected]
　　>Subject: Re: [Bluez-devel] I can't use 3.31 release,but 3.19 release works
　　>on the same platform
　　>
　　>Hi Halley,
　　>
　　>> 　　My Bluetooth earphone is Motorola HT820.
　　>>
　　>>
　　>>
　　>> 　　1. When I try to use bluez-utils 3.31 on my desktop (Ubuntu7.10),
　　>> there are some issues: (but there is no such issue when I use 3.19
　　>> version on this same platform). Should I update some other package
　　>> besides bluez-utils and bluez-libs?
　　>
　　>please make sure the right pcm_bluetooth plugin is loaded. It needs to
　　>be installed in /usr/lib/alsa-lib. If you installed it with a different
　　>prefix and it ends up in /usr/loca/lib/alsa-lib then it won't work. The
　　>audio service needs to be used with the matching plugin.
　　>
　　>> 　　2. When I use bluez-utils 3.19 version, application calls
　　>> snd_pcm_hw_params() sometimes will got return value "1". (The function
　　>> description says it will be 0 for success and negative number for
　　>> failure). The positive value makes me puzzled.
　　>
　　>This is a question for the ALSA guys. I really have no clue.
　　>
　　>> 3. Ubuntu hardy has included bluez-utils 3.26 version; but I found
　　>> there are many XRun errors when I use helix engine.
　　>
　　>The audio service has been improved a lot of 3.26 and thus it might
　　>simply miss a patch. However for me it is already too old to remember
　　>any details.
　　>
　　>Regards
　　>
　　>Marcel
　　>
　　>
　　>
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