On Thu, Jul 17, 2008 at 1:59 PM, <jfliu at solomon-systech.com> wrote: > Hi, all, > > I am doing a project to port the gstreamer framework to a target board, > which is running linux 2.6.24 on ARM 9, and the RAM on the board is 32Mbyte. > > When I tried to use the gstmad and alsalink plugin to play a MP3 file > ( "gst-launch location = abc.mp3 ! mad ! alsasink"), I found there is > constant audio underrrun reported from the ALSA driver and thus there are > on/off in the audio output. I've also tried other MP3 demux/decoders such as > ffdemux_mp3 and ffdec_mp3 but the result is same. After I enabled the > debugging on the filesrc plugin, I noticed there is a break/pause sometimes > (happening randomly) during the playback. I suspect this could be the reason > of the audio underrun but I don't know why this break/pause happens. > > Anyone has any idea? Please help. You might want to try adding mp3parse before the decoder, but my bet is on the ALSA driver. Best regards. -- Felipe Contreras