| ttoine | hello | 10:29 |
|---|---|---|
| ttoine | scott is not there... | 10:30 |
| astraljava | Give it two to three hours. | 10:45 |
| ttoine | astraljava, thanks | 13:01 |
| astraljava | No worries, but he has exactly 8 minutes to show up, otherwise I wasn't of much use. :) | 13:38 |
| zequence | ttoine: What's on your mind? | 16:34 |
| ttoine | zequence, just would like to know if he has some news from twitter | 16:55 |
| zequence | ttoine: Ah | 17:06 |
| len-1304 | zequence, I have a hack that lets jack start every time... | 22:06 |
| len-1304 | In the qjackctl setup->options->execute script on startup put : | 22:10 |
| len-1304 | pasuspender sleep 5 & | 22:10 |
| len-1304 | Probably even 1 or 2 would work instead of 5. | 22:45 |
| len-1304 | Anyway, For testing I have audacious streaming through pulse to hw:1 (the same IF as jack uses) | 22:47 |
| len-1304 | I tell qjackctl to start Jack and there is a quick stop start of audio and pulse switches from direct to the device to jack_sink. | 22:49 |
| len-1304 | zequence, I am not sure, But I think pasuspender uses dbus to tell pulse to release the device. | 22:49 |
| len-1304 | That would be the same as what Jackdbus does on start up. | 22:50 |
| len-1304 | The only difference I can see is that there is more time from PA giving up the device to jack trying to grab it. | 22:51 |
| zequence | len-1304: pasuspender will make pulse let go of the card, so that enables jack to grab it. Then, when pulse starts again, jack already has the card, right? | 23:15 |
| zequence | A hack, yes. But I guess we could consider adding it, if there's no fix | 23:17 |
| len-1304 | Well my guess is that pasuspender uses dbus to tell pulse to let go of the devices. | 23:20 |
| len-1304 | Just the same as jackdbus does. | 23:21 |
| len-1304 | The only difference is the amount of time involved. | 23:21 |
| len-1304 | I am not that good with c++ which is what jack2 is | 23:22 |
| len-1304 | But it should not be hard to come up with a patch for jack2 to fix it | 23:22 |
| len-1304 | add a half second delay | 23:23 |
| len-1304 | Anyway, I am posting this to the list and a copy to David H, who may at least know if my guess about how pasusupender works is right | 23:24 |
| len-1304 | That way I would know if I should bug against PA or jack. | 23:24 |
| len-1304 | zequence, BTW my 12.04 install seems to have stopped working too. So something has been updated that causes it. | 23:26 |
| len-1304 | Not pulse because it still uses the old version of pulse | 23:26 |
| zequence | I have no idea about how dbus works, but the way I'd imagine the thing should work: 1. jackdbus tells pulse to give up the card 2. pulse releases it 3. pulse tells jack it's now release 4. jack takes it | 23:29 |
| len-1304 | I don't think that happens | 23:30 |
| zequence | At least I'm imagining that jackdbus is either getting a false response, or ignoring it | 23:30 |
| len-1304 | I think dbus just returns an ack that the message got through | 23:31 |
| len-1304 | Not that it has been acted on. | 23:31 |
| zequence | If jack is not able to monitor when pulse let go of the card, it doesn't know when it's ok to grab it | 23:34 |
| zequence | You'd want some kind of return when the card was released | 23:34 |
| len-1304 | I think it assumes an ack from dbus means go. | 23:34 |
| zequence | an ack that the message was sent is not the same as that the process finished | 23:35 |
| len-1304 | Yes. | 23:35 |
| len-1304 | I agree | 23:35 |
| zequence | For some reason it does work when PA is not playing something though | 23:35 |
| len-1304 | Not always for me. | 23:36 |
| len-1304 | I have had the same problem after a fresh login | 23:36 |
| zequence | Well, I can only guess, since I don't know anything about it. Does sound very undeterministic anyhow | 23:36 |
| zequence | Like, it'll work, if pulse was not too busy | 23:37 |
| zequence | or soemthing | 23:37 |
| len-1304 | Once David answers I will put a bug in. | 23:37 |
| len-1304 | I think I will download the src of both and see if I can find anything. | 23:38 |
| zequence | len-1304: You have any experience in searching in code? I'm thinking I need to get a bit more professional with that. Use tools | 23:39 |
| len-1304 | I have done a bit, but I am more used to c than c++ | 23:39 |
| zequence | len-1304: You'll find the reserve code easily in the dbus folder of jackd2. The two files authored by Poettering | 23:40 |
| len-1304 | OK thanks. | 23:40 |
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