ubuntu studio 16.04 + kxstudio video and audio won't play

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hudkins
Established Member
Posts: 38
Joined: Wed Jan 20, 2016 2:01 am

ubuntu studio 16.04 + kxstudio video and audio won't play

Post by hudkins »

I'm having a new weird problem.

I'm running Ubuntu Studio 16.04 with the kxstudio repos. I installed the repos per these instructions: https://freedompenguin.com/articles/how ... ll-o-rama/

Things were going along ok but now when I start jack, whether through qjackctl or cadence, no video or audio file will play in anything. No youtube in firefox, nothing plays through parole, vlc or any other daw or player. In short, any video or audio freezes when you try to play it. just stays frozen at the start.

This isn't an issue if I don't start jack.

The only additional packages I installed were vlc and cadence.
hudkins
Established Member
Posts: 38
Joined: Wed Jan 20, 2016 2:01 am

Re: ubuntu studio 16.04 + kxstudio video and audio won't play

Post by hudkins »

Unfortunately it was already installed and the bridge was started. I also tried changing the ALSA Bridge to ALSA>Pulseaudio>JACK but that didn't change anything.

It's this way in any daw as well. no audio samples will play. Audio and video will just freeze at the very start and do nothing. Not even a click or a frame of video appears.

The outputs of the jack and a2j logs look normal as far as I can tell

jack

Code: Select all

Tue Aug 29 20:34:30 2017: Starting jack server...
Tue Aug 29 20:34:30 2017: JACK server starting in realtime mode with priority 10
Tue Aug 29 20:34:30 2017: self-connect-mode is "Don't restrict self connect requests"
Tue Aug 29 20:34:30 2017: Acquired audio card Audio4
Tue Aug 29 20:34:30 2017: creating alsa driver ... hw:CI1,0|hw:CI1,0|1024|2|44100|0|0|nomon|swmeter|-|32bit
Tue Aug 29 20:34:30 2017: Using ALSA driver USB-Audio running on card 4 - Yamaha Corporation Steinberg CI1 at usb-0000:00:1d.0-1.5, full speed
Tue Aug 29 20:34:30 2017: configuring for 44100Hz, period = 1024 frames (23.2 ms), buffer = 2 periods
Tue Aug 29 20:34:30 2017: ALSA: final selected sample format for capture: 24bit little-endian in 3bytes format
Tue Aug 29 20:34:30 2017: ALSA: use 2 periods for capture
Tue Aug 29 20:34:30 2017: ALSA: final selected sample format for playback: 24bit little-endian in 3bytes format
Tue Aug 29 20:34:30 2017: ALSA: use 2 periods for playback
Tue Aug 29 20:34:30 2017: graph reorder: new port 'system:capture_1'
Tue Aug 29 20:34:30 2017: New client 'system' with PID 0
Tue Aug 29 20:34:30 2017: graph reorder: new port 'system:capture_2'
Tue Aug 29 20:34:30 2017: graph reorder: new port 'system:playback_1'
Tue Aug 29 20:34:30 2017: graph reorder: new port 'system:playback_2'
Tue Aug 29 20:34:30 2017: New client 'PulseAudio JACK Sink' with PID 13930
Tue Aug 29 20:34:30 2017: port 'PulseAudio JACK Sink:front-left' created
Tue Aug 29 20:34:30 2017: port 'PulseAudio JACK Sink:front-right' created
Tue Aug 29 20:34:30 2017: Connecting 'PulseAudio JACK Sink:front-left' to 'system:playback_1'
Tue Aug 29 20:34:30 2017: Connecting 'PulseAudio JACK Sink:front-right' to 'system:playback_2'
Tue Aug 29 20:34:30 2017: New client 'PulseAudio JACK Source' with PID 13930
Tue Aug 29 20:34:30 2017: port 'PulseAudio JACK Source:front-left' created
Tue Aug 29 20:34:30 2017: port 'PulseAudio JACK Source:front-right' created
Tue Aug 29 20:34:30 2017: Connecting 'system:capture_1' to 'PulseAudio JACK Source:front-left'
Tue Aug 29 20:34:30 2017: Connecting 'system:capture_2' to 'PulseAudio JACK Source:front-right'
Tue Aug 29 20:34:39 2017: New client 'a2j' with PID 14336
Tue Aug 29 20:34:39 2017: port 'a2j:Midi Through [14] (capture): Midi Through Port-0' created
Tue Aug 29 20:34:39 2017: port 'a2j:Midi Through [14] (playback): Midi Through Port-0' created
Tue Aug 29 20:35:57 2017: New client 'catia' with PID 14688
a2j

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017: Bridge starting...
Tue Aug 29 20:34:39 2017: Using JACK server 'default'
Tue Aug 29 20:34:39 2017: Hardware ports will not be exported.
Tue Aug 29 20:34:39 2017: Bridge started
Tue Aug 29 20:34:39 2017: port created: Midi Through [14] (capture): Midi Through Port-0
Tue Aug 29 20:34:39 2017: port created: Midi Through [14] (playback): Midi Through Port-0
Tue Aug 29 20:34:39 2017: map 'Midi Through [14] (capture): Midi Through Port-0' -> 14:0 ('Midi Through':'Midi Through Port-0')
Tue Aug 29 20:34:39 2017: map 'Midi Through [14] (playback): Midi Through Port-0' -> 14:0 ('Midi Through':'Midi Through Port-0')
I'm thinking this is related to the midi issue I'm having in this post. Not sure why, but they did happen around the same time and I
m beginning to think it has something to do with the kxstudio repos:
viewtopic.php?f=4&t=17432&p=84404#p84404
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