On Mon, 25 Jun 2018 15:43:15 +0200, Harald Schuster wrote: > > Hi > The codec is the TI tlv320aic3x and the buffersize is set to 64 and > the periodsize is set to 32 in the asound.conf. We use the pjProject > for the audioprocessing and the internal period time is 4ms and the > sample rate is 8000 Hz. The second codec is a USB codec which has no > problems. Our scenario is that a incoming VOIP call is connected to > the both codec (I2s and USB) and the USB codec starts the playback > without any problems and the tlv320 sometimes works but when a > underrun accours it crash! Is it really so hardware-specific problem? And, did you follow the recent development / fixes if it's about dshare plugin? There have been lots of changes. I'm not asking about updating the kernels. The question is rather about alsa-lib. Takashi > > best regards Harald > > > Zitat von Takashi Iwai <tiwai@xxxxxxx>: > > > On Mon, 25 Jun 2018 11:59:02 +0200, > > Harald Schuster wrote: > >> > >> > >> Hi > >> We are not able to update our system. We are using USB codecs which > >> are working fine but they are using the snd_pcm_hw_prepare function. > >> The Problem only exists for the I2S codec in our system. When i > >> changed the buffer size in the asound.conf for the codec the problem > >> allready exists but it arise not so often because there is not so > >> often a underrun. Is there any hint where i could lock for the > >> problem?! > > > > Well, with that little information, it's hard to advice anything... > > > > > > Takashi > > > >> br Harald > >> > >> Zitat von Takashi Iwai <tiwai@xxxxxxx>: > >> > >> > On Fri, 22 Jun 2018 20:36:12 +0200, > >> > Harald Schuster wrote: > >> >> > >> >> > >> >> Zitat von Takashi Iwai <tiwai@xxxxxxx>: > >> >> > >> >> > On Fri, 22 Jun 2018 15:29:21 +0200, > >> >> > Harald Schuster wrote: > >> >> >> > >> >> >> I found out that an underrun occours and so the pcm_prepare function > >> >> >> for pcm_direct is called and then pcm_start_dshare is called. Both > >> >> >> functions returns without any error but the playback path is blocked > >> >> >> in the snd_pcm_wait_nocheck function. I read that there was an similar > >> >> >> problem before in the group but i didn't found any solution. Is this a > >> >> >> problem in the driver and how can i go forward to fix it. The codec is > >> >> >> a tlv320aic3x-audio. Thanks for your help. > >> >> > > >> >> > Does this happen with the very latest alsa-lib git version? > >> >> > Just to be sure. > >> >> > > >> >> > > >> >> > Takashi > >> >> > _______________________________________________ > >> >> > Alsa-devel mailing list > >> >> > Alsa-devel@xxxxxxxxxxxxxxxx > >> >> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > >> >> > >> >> Hi > >> >> We are using k4.1.15-6QP+ga2066af. > >> > > >> > I'm asking the alsa-lib, not kernel. > >> > > >> > And 4.1.x is very old... Please check either 4.17.x or latest Linus > >> > tree whether the problem persists, too. > >> > > >> > > >> > Takashi > >> > _______________________________________________ > >> > Alsa-devel mailing list > >> > Alsa-devel@xxxxxxxxxxxxxxxx > >> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > >> > >> > >> > >> _______________________________________________ > >> Alsa-devel mailing list > >> Alsa-devel@xxxxxxxxxxxxxxxx > >> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > >> > > _______________________________________________ > > Alsa-devel mailing list > > Alsa-devel@xxxxxxxxxxxxxxxx > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > > > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@xxxxxxxxxxxxxxxx > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
