[ecasound] LADSPA wierdness

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Subject: [ecasound] LADSPA wierdness
From: Nolan Darilek (nolan_d@bigfoot.com)
Date: Wed Aug 01 2001 - 03:11:56 EEST

I'm not sure when, or why, some of my LADSPA plugins stopped
working. Most notably, the metronome effect preset no longer seems to
work. Doing the following:

ecasound -i:null -pn:metronome

produces:

****************************************************************************
* ecasound v2.0.2 (C) 1997-2001 Kai Vehmanen *
****************************************************************************
- [ Chainsetup/Adding chain operator "Pulse gate BPM" ] --------------------
(audiofx_envelope_modulation) WARNING! Frequency must be greater than 0!
Setting parameters: bpm = 120.00, on-time-msec = 10.00
- [ Chainsetup/Adding chain operator "Lowpass filter" ] --------------------
Setting parameters: cutoff-freq = 2000.00
(audiofx_envelope_modulation) WARNING! Frequency must be greater than 0!
bpm = 120.00
- [ Chainsetup/Enabling audio inputs ] -------------------------------------
(eca-audio-objects) Audio object "null", mode "read".
(audio-io) Format: s16_le, channels 2, srate 44100, interleaved.
- [ Chainsetup/Enabling audio outputs ] ------------------------------------
(eca-audio-objects) Audio object "/dev/dsp", mode "write".
(audio-io) Format: s16_le, channels 2, srate 44100, interleaved.
- [ Engine/Init - mixmode "simple" ] ---------------------------------------
(eca-main) Prefilling i/o buffers.

And it used to work nicely as a metronome without recording. But now I
get silence, despite the fact that sound works fine. The metronome
preset looks like:

metronome = -el:sine_fcac,880,1 -eemb:%bpm,10 -efl:2000

And listplugins shows:

        Sine Oscillator (Freq:control, Amp:control) (1066/sine_fcac)

But:

ecasound -i:null -el:sine_fcac,880,1 -eemb:120.0,10 -efl:2000

displays:

****************************************************************************
* ecasound v2.0.2 (C) 1997-2001 Kai Vehmanen *
**************************************************************************** 

---
ERROR: [ECA-CHAINSETUP] : "Invalid argument, unable to parse: '-el:sine_fcac,880,1'"

Odd that the metronome preset works, but running by hand doesn't. This
seems to happen with other LADSPA plugins as well; despite the fact
that I have a LADSPA_PATH pointing to /usr/lib/ladspa, -el often
complains as shown previously.

Any ideas?
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