Return-Path: Message-ID: Date: Fri, 23 Nov 2007 11:01:08 -0700 From: "Brad Midgley" To: "BlueZ users" In-Reply-To: <9a119b3c0711230758v7fa8a53eub2532227762542bd@mail.gmail.com> MIME-Version: 1.0 References: <9a119b3c0711230758v7fa8a53eub2532227762542bd@mail.gmail.com> Subject: Re: [Bluez-users] Choppy sound with a2dp and mplayer Reply-To: BlueZ users List-Id: BlueZ users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Sender: bluez-users-bounces@lists.sourceforge.net Errors-To: bluez-users-bounces@lists.sourceforge.net Kristof It may also be an issue for us right now if mplayer does its video decoding in the same thread as the audio processing. Trying another player and/or the gstreamer plugin in your setup would tell us more. Brad On Nov 23, 2007 8:58 AM, Csillag Krist=F3f wrot= e: > Hi all! > > I am using bluez 3.22. > > I have successfully configured the audio system with > my stereo Bluetooth headset, and a2dp & avrcp work now. > > I have an ALSA device named "headset", and when an > applications (xmms, audacious, etc.) send sound to it, > it appears on my headset. So good, so far. > > However, when I try to use it with mplayer, I get choppy > output. Playback is smooth for a few seconds, but then > it breaks up. I can not find any error/warning messages > in the output of mplayer. > > I have made several tests. Here are the results: > > 1. Q: mplayer x.avi -ao alsa:device=3Dheadset > A: choppy > > 2: Q: mplayer x.avi -dumpaudio > mplayer stream.dump -ao alsa:device=3Dheadset > A: fluent > > 3: Q: mplayer x.avi -ao alsa:device=3Dheadset -vc null -vo null > A: choppy > > So, mplayer _can_ play the sound track of the file via the bt headset, > without any problems. However, if the video stream is there in the file, > even if it's not decoded at all, audio collapses. > > Because of this, I guess this must be some timing/caching issue. > Do you agree? If no, what else? If yes, how can I make mplayer cache > more audio while playing? > > (I have already configured hcid to be always master and no rswitch, but > this did not help.) > > Any idea? > > Thank you for your help: > > Kristof Csillag > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2005. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Bluez-users mailing list > Bluez-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bluez-users > -- = Brad ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Bluez-users mailing list Bluez-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-users