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Old 07-30-2018, 02:58 PM   #1
Registered: Jul 2015
Posts: 74

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apulse error with Scorched Earth 3D

Hello, all.

I finally got tired of PulseAudio's male-cow-traces, so I removed it completely from my system and replaced it with apulse. Firefox is now playing sound again, but I'm having trouble with Scorched Earth 3D. When I launch APULSE_PLAYBACK_DEVICE=plugequal apulse /usr/local/bin/scorched3dc, I get the following error message:

[apulse] [error] do_connect_pcm: can't set sample format 2 ("S16_LE") for playback device "plugequal". Error code -22 (Invalid argument)
[apulse] [error] do_connect_pcm: failed to open ALSA device. Apulse does no resampling or format conversion, leaving that task to ALSA plugins. Ensure that selected device is capable of playing a particular sample format at a particular rate. They have to be supported by either hardware directly, or by "plug" and "dmix" ALSA plugins which will perform required conversions on CPU.
AL lib: (EE) connect_playback_stream: Stream did not connect: Oops.
Scorched3D : Failed to open sound device
Scorched3D Sound : Failed to aquire sound.
Is anything else currently using the sound card?
Now, it used to work fine when I had the real PulseAudio installed, so I'm sure my sound device can play whatever Scorch wants it to. Besides, I've never heard of a sound device that wouldn't play 16-bit little-endian.

Any ideas on how to fix this?

Thanks in advance!
Old 08-12-2018, 01:47 PM   #2
Registered: Apr 2018
Location: Ukraine
Distribution: Debian GNU/Linux 10
Posts: 30

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Originally Posted by SUSESailor View Post
Besides, I've never heard of a sound device that wouldn't play 16-bit little-endian.
Hardware devices maybe, but the plugin may not. As I see, plugequal is a simple wrapper for a LADSPA plugin, so it unlikely supports a lot of sample formats. Did you try to chain the audio through dmix as the error message suggests?
Old 08-19-2018, 06:51 PM   #3
Registered: Jul 2015
Posts: 74

Original Poster
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Well, without doing anything differently, the problem seems to have gone away. Scorch now works fine, with no error messages and with full sound.

So, I guess I'll mark the thread solved.

Thank you!


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