Lorne,
I have a .asoundrc but it was simpler than the one you suggested. It did have the channels
2 line in it. Regardless, it did not help the transmitter establish a stereo link with
opus encoding. PCM works fine.
I agree that opus seems to have a problem with this USB sound card but I'm not sure
where to go from here other than to try jack.
Thanks for your help. I'm open to any other suggestions you or anyone else might have.
Please.
Phil
-----Original Message-----
From: Lorne Tyndale [mailto:ltyndale@tyndaleweb.com]
Sent: Friday, June 26, 2020 9:51 AM
To: Phil Biehl
Cc: James Harrison; openob-users(a)lists.talkunafraid.co.uk
Subject: RE: [openob-users] Re: OB and Behringer UCA202
Phil,
It sounds like for some reason Opus isn't picking up both inputs on your
sound card.
I don't know if this will help, but have you tried creating a
~/.asoundrc file specifying the channels? Something like the following:
pcm.!default {
type plug
slave {
pcm "hw:1"
channels 2
format S16_LE
rate 48000
}
}
Also, my reasoning for trying it with Jack is that sometimes Jack will
pick up both inputs on a USB sound card whereas straight ALSA won't. I
know that Jack does eat up CPU cycles, but if it'll work with Jack but
you can't make it work with straight ALSA, then this might be a
solution, at least for testing.
Lorne
Hi Lorne,
Thanks for getting back to me.
When I use opus, the transmitter is sending mono. The receiver is decoding stereo but the
audio is truly mono as removing the left input to the transmitter causes both channels to
drop. Also, there is only one channel shown in the level displays. This is shown in the
first two logs. In the third and fourth logs, using pcm, the transmitter is showing a
stereo channel and the receiver is decoding two channels. This is also seen in the two
channels reported by both ends in the level displays.
I do not want to increase complexity and decrease cpu overhead by adding Jack just to
make this link work correctly. This will be a critical STL link and it has to be robust.
The same applies to pcm, it requires too high of a bitrate and will drop packets when the
network gets congested. Opus is essential to reduce the rate to keep packet loss as low as
possible.
I have noticed that when I plug one of the Behringer UCA202s into my windows 10 PC that
it records in mono as well. Yet I can get a stereo link with OB on the Pis.
I’m wondering if it’s an interaction between opus in OB and the codec? Is there a way to
get this working?
Phil
On Jun 24, 2020, at 8:24 PM, Lorne Tyndale
<ltyndale(a)tyndaleweb.com> wrote:
Phil,
When I look through the logs you attached, on the
Opus receiver it
claims it is receiving stereo audio:
2020-06-24 15:52:45,360 -
openob.node.test-rx-node.link.test-link.rx -
INFO - Receiving stereo audio transmission
I also see in the transmission it claims it is
sending mono:
2020-06-24 13:51:51,228 -
openob.node.test-tx-node.link.test-link.tx -
INFO - Started mono audio transmission
Is it possible that you are actually sending
stereo and the transmission
notice claiming to be mono is just incorrect?
Also, I know it takes up more cpu cycles, but
have you tried running
your audio through Jack on the transmission end?
Lorne
> -------- Original Message --------
> Subject: [openob-users] OB and Behringer
UCA202
> From: "Phil Biehl"
<fylbeall(a)gmail.com>
> Date: Wed, June 24, 2020 5:07 pm
> To: "'James Harrison'"
<james(a)talkunafraid.co.uk>uk>,
> <openob-users(a)lists.talkunafraid.co.uk>
>
>
> Hello All,
>
> Late last year I spent a lot of time trying
to get OB working on a pair of Raspberry Pi3s. I communicated with you all on the list to
try to get by the “My Mono Problem” I was having and eventually gave up. I'm back now
trying again to get this to work for a community radio station (KBOO) backup STL that’s
really needed. My configuration is: Raspberry Pi3B+, Behringer UCA202, OB V4.0.3 running
under the current version of Raspberry Pi OS (32-bit) Lite, Kernel Version 4.19. This time
I have had a bit more success in that I have been able to get a stereo link established by
running the transmitter in PCM mode. However, when I try to use OPUS encoding the link is
established but it is again in mono.
>
>
>
> How can I get a stereo link using OPUS
encoding? Help please!
>
>
>
> Thanks,
> Phil
>
>
>
> Here's terminal output for PCM
Transmitter side:
>
> pi@OpenOB-TX:~ $ openob -v 192.168.0.162
test-tx-node test-link tx 192.168.0.162 -d hw:1 -a alsa -r 48000 -j 1000 -e pcm
>
> 2020-06-24 13:47:48,561 -
openob.link.test-link.config - INFO - Connecting to configuration host 192.168.0.162
>
> 2020-06-24 13:47:48,567 -
openob.link.test-link.config - DEBUG - Set openob:test-link:name to test-link
>
> 2020-06-24 13:47:48,568 -
openob.link.test-link.config - DEBUG - Set openob:test-link:port to 3000
>
> 2020-06-24 13:47:48,570 -
openob.link.test-link.config - DEBUG - Set openob:test-link:jitter_buffer to 1000
>
> 2020-06-24 13:47:48,571 -
openob.link.test-link.config - DEBUG - Set openob:test-link:encoding to pcm
>
> 2020-06-24 13:47:48,572 -
openob.link.test-link.config - DEBUG - Set openob:test-link:bitrate to 128
>
> 2020-06-24 13:47:48,574 -
openob.link.test-link.config - DEBUG - Set openob:test-link:multicast to 0
>
> 2020-06-24 13:47:48,576 -
openob.link.test-link.config - DEBUG - Set openob:test-link:input_samplerate to 48000
>
> 2020-06-24 13:47:48,577 -
openob.link.test-link.config - DEBUG - Set openob:test-link:receiver_host to 192.168.0.162
>
> 2020-06-24 13:47:48,579 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_framesize to 20
>
> 2020-06-24 13:47:48,581 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_complexity to 9
>
> 2020-06-24 13:47:48,582 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_fec to 1
>
> 2020-06-24 13:47:48,584 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_loss_expectation to 0
>
> 2020-06-24 13:47:48,585 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_dtx to 0
>
> 2020-06-24 13:47:48,586 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Set mode to tx
>
> 2020-06-24 13:47:48,586 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Set type to alsa
>
> 2020-06-24 13:47:48,586 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Set samplerate to 48000
>
> 2020-06-24 13:47:48,586 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 13:47:48,587 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Set alsa_device to hw:1
>
> 2020-06-24 13:47:48,588 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 13:47:48,588 -
openob.node.test-tx-node - INFO - Link test-link initial setup start on test-tx-node
>
> 2020-06-24 13:47:48,590 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 13:47:48,591 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched mode, got tx
>
> 2020-06-24 13:47:48,591 -
openob.node.test-tx-node.link.test-link - INFO - Starting up transmitter
>
> 2020-06-24 13:47:48,593 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 13:47:48,593 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched mode, got tx
>
> 2020-06-24 13:47:48,594 -
openob.node.test-tx-node.link.test-link.tx - INFO - Creating transmission pipeline
>
> 2020-06-24 13:47:48,595 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Building audio input bin
>
> 2020-06-24 13:47:48,595 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 13:47:48,595 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 13:47:48,606 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched alsa_device, got hw:1
>
> 2020-06-24 13:47:48,621 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched samplerate, got 48000
>
> 2020-06-24 13:47:48,622 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched samplerate, got 48000
>
> 2020-06-24 13:47:48,623 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - audio/x-raw, rate=(int)48000
>
> 2020-06-24 13:47:48,628 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Building encoder bin
>
> 2020-06-24 13:47:48,631 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:encoding, got pcm
>
> 2020-06-24 13:47:48,632 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:encoding, got pcm
>
> 2020-06-24 13:47:48,643 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Building RTP transport bin
>
> 2020-06-24 13:47:48,661 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:receiver_host, got
192.168.0.162
>
> 2020-06-24 13:47:48,663 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:port, got 3000
>
> 2020-06-24 13:47:48,671 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:receiver_host, got
192.168.0.162
>
> 2020-06-24 13:47:48,674 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:port, got 3000
>
> 2020-06-24 13:47:48,674 -
openob.node.test-tx-node.link.test-link.tx - INFO - Set receiver to 192.168.0.162:3000
>
> 2020-06-24 13:47:48,677 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:multicast, got False
>
> 2020-06-24 13:47:48,692 -
openob.node.test-tx-node.link.test-link.tx - WARNING - Waiting for audio interface/caps
>
> 2020-06-24 13:47:48,794 -
openob.node.test-tx-node.link.test-link - DEBUG - Got caps from transmitter, setting
config
>
> 2020-06-24 13:47:48,796 -
openob.link.test-link.config - DEBUG - Set openob:test-link:caps to application/x-rtp,
media=(string)audio, clock-rate=(int)48000, encoding-name=(string)L16,
encoding-params=(string)2, channels=(int)2, payload=(int)96, ssrc=(uint)2214917403,
timestamp-offset=(uint)373598967, seqnum-offset=(uint)27244
>
> 2020-06-24 13:47:49,717 -
openob.node.test-tx-node.link.test-link.tx - INFO - Started stereo audio transmission
>
> 2020-06-24 13:47:50,716 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Levels: L -1.10 R -6.90
>
> 2020-06-24 13:47:51,716 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Levels: L -1.17 R -0.68
>
> 2020-06-24 13:47:52,716 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Levels: L -2.71 R -0.64
>
> 2020-06-24 13:47:53,716 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Levels: L -2.75 R -0.79
>
>
>
>
>
>
>
> Here's terminal output for PCM Receiver
side:
>
> pi@OpenOB-RX:~ $ openob -v 192.168.0.162
test-rx-node test-link rx -d hw:1 -a alsa
>
> 2020-06-24 15:48:06,456 -
openob.link.test-link.config - INFO - Connecting to configuration host 192.168.0.162
>
> 2020-06-24 15:48:06,461 -
openob.link.test-link.config - DEBUG - Set openob:test-link:name to test-link
>
> 2020-06-24 15:48:06,461 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Set mode to rx
>
> 2020-06-24 15:48:06,462 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Set type to alsa
>
> 2020-06-24 15:48:06,462 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 15:48:06,462 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Set alsa_device to hw:1
>
> 2020-06-24 15:48:06,463 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 15:48:06,464 -
openob.node.test-rx-node - INFO - Link test-link initial setup start on test-rx-node
>
> 2020-06-24 15:48:06,465 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 15:48:06,465 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched mode, got rx
>
> 2020-06-24 15:48:06,465 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched mode, got rx
>
> 2020-06-24 15:48:06,466 -
openob.node.test-rx-node.link.test-link - INFO - Waiting for transmitter capabilities...
>
> 2020-06-24 15:48:06,466 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:caps, got
application/x-rtp, media=(string)audio, clock-rate=(int)48000, encoding-name=(string)L16,
encoding-params=(string)2, channels=(int)2, payload=(int)96, ssrc=(uint)2214917403,
timestamp-offset=(uint)373598967, seqnum-offset=(uint)27244
>
> 2020-06-24 15:48:06,467 -
openob.link.test-link.config - DEBUG - Fetched (blocking) caps, got application/x-rtp,
media=(string)audio, clock-rate=(int)48000, encoding-name=(string)L16,
encoding-params=(string)2, channels=(int)2, payload=(int)96, ssrc=(uint)2214917403,
timestamp-offset=(uint)373598967, seqnum-offset=(uint)27244
>
> 2020-06-24 15:48:06,467 -
openob.node.test-rx-node.link.test-link - INFO - Got caps from transmitter
>
> 2020-06-24 15:48:06,467 -
openob.node.test-rx-node.link.test-link - INFO - Starting up receiver
>
> 2020-06-24 15:48:06,468 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 15:48:06,468 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched mode, got rx
>
> 2020-06-24 15:48:06,469 -
openob.node.test-rx-node.link.test-link.rx - INFO - Creating reception pipeline
>
> 2020-06-24 15:48:06,470 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Building RTP transport bin
>
> 2020-06-24 15:48:06,472 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:caps, got
application/x-rtp, media=(string)audio, clock-rate=(int)48000, encoding-name=(string)L16,
encoding-params=(string)2, channels=(int)2, payload=(int)96, ssrc=(uint)2214917403,
timestamp-offset=(uint)373598967, seqnum-offset=(uint)27244
>
> 2020-06-24 15:48:06,479 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:port, got 3000
>
> 2020-06-24 15:48:06,481 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:multicast, got False
>
> 2020-06-24 15:48:06,487 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:jitter_buffer, got 1000
>
> 2020-06-24 15:48:06,503 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Building decoder bin
>
> 2020-06-24 15:48:06,505 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:encoding, got pcm
>
> 2020-06-24 15:48:06,506 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:encoding, got pcm
>
> 2020-06-24 15:48:06,509 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Building audio output bin
>
> 2020-06-24 15:48:06,511 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 15:48:06,512 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 15:48:06,521 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched alsa_device, got hw:1
>
> 2020-06-24 15:48:06,556 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:receiver_host, got
192.168.0.162
>
> 2020-06-24 15:48:06,558 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:port, got 3000
>
> 2020-06-24 15:48:06,559 -
openob.node.test-rx-node.link.test-link.rx - INFO - Listening for stream on
192.168.0.162:3000
>
> 2020-06-24 15:48:08,359 -
openob.node.test-rx-node.link.test-link.rx - INFO - Receiving stereo audio transmission
>
> 2020-06-24 15:48:09,358 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -1.41 R -1.36
>
> 2020-06-24 15:48:10,358 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -1.94 R 0.00
>
> 2020-06-24 15:48:11,358 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -0.10 R -0.00
>
> 2020-06-24 15:48:12,358 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -0.95 R -0.51
>
> 2020-06-24 15:48:13,358 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -0.77 R -0.21
>
>
>
>
>
>
>
> Here's terminal output for PCM
Transmitter side:
>
> pi@OpenOB-TX:~ $ openob -v 192.168.0.162
test-tx-node test-link tx 192.168.0.162 -d hw:1 -a alsa -r 48000 -j 1000 -e opus
>
> 2020-06-24 13:51:50,054 -
openob.link.test-link.config - INFO - Connecting to configuration host 192.168.0.162
>
> 2020-06-24 13:51:50,060 -
openob.link.test-link.config - DEBUG - Set openob:test-link:name to test-link
>
> 2020-06-24 13:51:50,061 -
openob.link.test-link.config - DEBUG - Set openob:test-link:port to 3000
>
> 2020-06-24 13:51:50,062 -
openob.link.test-link.config - DEBUG - Set openob:test-link:jitter_buffer to 1000
>
> 2020-06-24 13:51:50,064 -
openob.link.test-link.config - DEBUG - Set openob:test-link:encoding to opus
>
> 2020-06-24 13:51:50,065 -
openob.link.test-link.config - DEBUG - Set openob:test-link:bitrate to 128
>
> 2020-06-24 13:51:50,067 -
openob.link.test-link.config - DEBUG - Set openob:test-link:multicast to 0
>
> 2020-06-24 13:51:50,069 -
openob.link.test-link.config - DEBUG - Set openob:test-link:input_samplerate to 48000
>
> 2020-06-24 13:51:50,071 -
openob.link.test-link.config - DEBUG - Set openob:test-link:receiver_host to 192.168.0.162
>
> 2020-06-24 13:51:50,072 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_framesize to 20
>
> 2020-06-24 13:51:50,074 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_complexity to 9
>
> 2020-06-24 13:51:50,075 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_fec to 1
>
> 2020-06-24 13:51:50,077 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_loss_expectation to 0
>
> 2020-06-24 13:51:50,078 -
openob.link.test-link.config - DEBUG - Set openob:test-link:opus_dtx to 0
>
> 2020-06-24 13:51:50,079 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Set mode to tx
>
> 2020-06-24 13:51:50,079 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Set type to alsa
>
> 2020-06-24 13:51:50,079 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Set samplerate to 48000
>
> 2020-06-24 13:51:50,079 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 13:51:50,079 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Set alsa_device to hw:1
>
> 2020-06-24 13:51:50,081 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 13:51:50,082 -
openob.node.test-tx-node - INFO - Link test-link initial setup start on test-tx-node
>
> 2020-06-24 13:51:50,083 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 13:51:50,084 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched mode, got tx
>
> 2020-06-24 13:51:50,084 -
openob.node.test-tx-node.link.test-link - INFO - Starting up transmitter
>
> 2020-06-24 13:51:50,085 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 13:51:50,086 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched mode, got tx
>
> 2020-06-24 13:51:50,086 -
openob.node.test-tx-node.link.test-link.tx - INFO - Creating transmission pipeline
>
> 2020-06-24 13:51:50,087 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Building audio input bin
>
> 2020-06-24 13:51:50,088 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 13:51:50,088 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 13:51:50,098 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched alsa_device, got hw:1
>
> 2020-06-24 13:51:50,114 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched samplerate, got 48000
>
> 2020-06-24 13:51:50,115 -
openob.node.test-tx-node.audio_interface.default - DEBUG - Fetched samplerate, got 48000
>
> 2020-06-24 13:51:50,117 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - audio/x-raw, rate=(int)48000
>
> 2020-06-24 13:51:50,123 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Building encoder bin
>
> 2020-06-24 13:51:50,125 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:encoding, got opus
>
> 2020-06-24 13:51:50,137 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:bitrate, got 128
>
> 2020-06-24 13:51:50,140 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:opus_framesize, got 20
>
> 2020-06-24 13:51:50,144 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:opus_complexity, got 9
>
> 2020-06-24 13:51:50,146 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:opus_fec, got False
>
> 2020-06-24 13:51:50,148 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:opus_loss_expectation, got
0
>
> 2020-06-24 13:51:50,150 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:opus_dtx, got False
>
> 2020-06-24 13:51:50,157 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Building RTP transport bin
>
> 2020-06-24 13:51:50,177 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:receiver_host, got
192.168.0.162
>
> 2020-06-24 13:51:50,179 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:port, got 3000
>
> 2020-06-24 13:51:50,181 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:receiver_host, got
192.168.0.162
>
> 2020-06-24 13:51:50,183 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:port, got 3000
>
> 2020-06-24 13:51:50,184 -
openob.node.test-tx-node.link.test-link.tx - INFO - Set receiver to 192.168.0.162:3000
>
> 2020-06-24 13:51:50,186 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:multicast, got False
>
> 2020-06-24 13:51:50,205 -
openob.node.test-tx-node.link.test-link.tx - WARNING - Waiting for audio interface/caps
>
> 2020-06-24 13:51:50,307 -
openob.node.test-tx-node.link.test-link - DEBUG - Got caps from transmitter, setting
config
>
> 2020-06-24 13:51:50,309 -
openob.link.test-link.config - DEBUG - Set openob:test-link:caps to application/x-rtp,
media=(string)audio, clock-rate=(int)48000, encoding-name=(string)OPUS,
sprop-maxcapturerate=(string)48000, sprop-stereo=(string)0, payload=(int)96,
encoding-params=(string)2, ssrc=(uint)2919919452, timestamp-offset=(uint)3754439394,
seqnum-offset=(uint)23680
>
> 2020-06-24 13:51:51,228 -
openob.node.test-tx-node.link.test-link.tx - INFO - Started mono audio transmission
>
> 2020-06-24 13:51:52,227 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Level: -3.87
>
> 2020-06-24 13:51:53,227 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Level: -6.10
>
> 2020-06-24 13:51:54,227 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Level: -2.67
>
> 2020-06-24 13:51:55,227 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Level: -2.15
>
> 2020-06-24 13:51:56,230 -
openob.node.test-tx-node.link.test-link.tx - DEBUG - Level: -5.27
>
>
>
>
>
>
>
> Here's terminal output for Opus Receiver
side:
>
> pi@OpenOB-RX:~ $ openob -v 192.168.0.162
test-rx-node test-link rx -d hw:1 -a alsa
>
> 2020-06-24 15:52:43,330 -
openob.link.test-link.config - INFO - Connecting to configuration host 192.168.0.162
>
> 2020-06-24 15:52:43,334 -
openob.link.test-link.config - DEBUG - Set openob:test-link:name to test-link
>
> 2020-06-24 15:52:43,335 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Set mode to rx
>
> 2020-06-24 15:52:43,335 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Set type to alsa
>
> 2020-06-24 15:52:43,335 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 15:52:43,335 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Set alsa_device to hw:1
>
> 2020-06-24 15:52:43,336 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 15:52:43,337 -
openob.node.test-rx-node - INFO - Link test-link initial setup start on test-rx-node
>
> 2020-06-24 15:52:43,337 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 15:52:43,338 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched mode, got rx
>
> 2020-06-24 15:52:43,338 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched mode, got rx
>
> 2020-06-24 15:52:43,338 -
openob.node.test-rx-node.link.test-link - INFO - Waiting for transmitter capabilities...
>
> 2020-06-24 15:52:43,339 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:caps, got
application/x-rtp, media=(string)audio, clock-rate=(int)48000, encoding-name=(string)OPUS,
sprop-maxcapturerate=(string)48000, sprop-stereo=(string)0, payload=(int)96,
encoding-params=(string)2, ssrc=(uint)1266186479, timestamp-offset=(uint)3427950381,
seqnum-offset=(uint)22898
>
> 2020-06-24 15:52:43,339 -
openob.link.test-link.config - DEBUG - Fetched (blocking) caps, got application/x-rtp,
media=(string)audio, clock-rate=(int)48000, encoding-name=(string)OPUS,
sprop-maxcapturerate=(string)48000, sprop-stereo=(string)0, payload=(int)96,
encoding-params=(string)2, ssrc=(uint)1266186479, timestamp-offset=(uint)3427950381,
seqnum-offset=(uint)22898
>
> 2020-06-24 15:52:43,340 -
openob.node.test-rx-node.link.test-link - INFO - Got caps from transmitter
>
> 2020-06-24 15:52:43,340 -
openob.node.test-rx-node.link.test-link - INFO - Starting up receiver
>
> 2020-06-24 15:52:43,341 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:name, got test-link
>
> 2020-06-24 15:52:43,341 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched mode, got rx
>
> 2020-06-24 15:52:43,341 -
openob.node.test-rx-node.link.test-link.rx - INFO - Creating reception pipeline
>
> 2020-06-24 15:52:43,342 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Building RTP transport bin
>
> 2020-06-24 15:52:43,344 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:caps, got
application/x-rtp, media=(string)audio, clock-rate=(int)48000, encoding-name=(string)OPUS,
sprop-maxcapturerate=(string)48000, sprop-stereo=(string)0, payload=(int)96,
encoding-params=(string)2, ssrc=(uint)1266186479, timestamp-offset=(uint)3427950381,
seqnum-offset=(uint)22898
>
> 2020-06-24 15:52:43,351 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:port, got 3000
>
> 2020-06-24 15:52:43,353 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:multicast, got False
>
> 2020-06-24 15:52:43,359 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:jitter_buffer, got 1000
>
> 2020-06-24 15:52:43,375 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Building decoder bin
>
> 2020-06-24 15:52:43,377 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:encoding, got opus
>
> 2020-06-24 15:52:43,387 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Building audio output bin
>
> 2020-06-24 15:52:43,388 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 15:52:43,389 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched type, got alsa
>
> 2020-06-24 15:52:43,398 -
openob.node.test-rx-node.audio_interface.default - DEBUG - Fetched alsa_device, got hw:1
>
> 2020-06-24 15:52:43,433 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:receiver_host, got
192.168.0.162
>
> 2020-06-24 15:52:43,435 -
openob.link.test-link.config - DEBUG - Fetched openob:test-link:port, got 3000
>
> 2020-06-24 15:52:43,436 -
openob.node.test-rx-node.link.test-link.rx - INFO - Listening for stream on
192.168.0.162:3000
>
> 2020-06-24 15:52:45,360 -
openob.node.test-rx-node.link.test-link.rx - INFO - Receiving stereo audio transmission
>
> 2020-06-24 15:52:46,360 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -3.49 R -3.49
>
> 2020-06-24 15:52:47,360 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -3.70 R -3.70
>
> 2020-06-24 15:52:48,360 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -3.84 R -3.84
>
> 2020-06-24 15:52:49,360 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -3.13 R -3.13
>
> 2020-06-24 15:52:50,360 -
openob.node.test-rx-node.link.test-link.rx - DEBUG - Levels: L -1.88 R
-1.88<hr>_______________________________________________
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