$ ~/tmp/alsa-utils-1.0.11/aplay/aplay -D plug:ladspa ~/tmp/TRACK08.wav
Playing WAVE '/root/tmp/TRACK08.wav' : Signed 16 bit Little Endian,
Rate 44100 Hz, Stereo
aplay: set_params:961: Unable to install hw params:Invalid argument
ACCESS: RW_INTERLEAVED
FORMAT: S16_LE
SUBFORMAT: STD
SAMPLE_BITS: 16
FRAME_BITS: 32
CHANNELS: 2
RATE: NONE
PERIOD_TIME: (85333 85334)
PERIOD_SIZE: NONE
PERIOD_BYTES: (15052 15056)
PERIODS: (3 4)
BUFFER_TIME: (341315 341316)
BUFFER_SIZE: 15052
BUFFER_BYTES: 60208
TICK_TIME: 1000
$
Any ideas?
$ cat /etc/asound.conf
# an example command is 'aplay -D plug:ladspa <filename>'
# otherwise, the ladspa plugin expects FLOAT type which
# is very rare
pcm.ladspa {
type ladspa
slave.pcm "plughw:0,0";
path "/usr/local/lib/ladspa/";
plugins [
{
id 19001
filename "/usr/local/lib/ladspa/dj_eq_19001.so"
}
]
}
$analyseplugin dj_eq_19001
Plugin Name: "DJ EQ (mono)"
Plugin Label: "dj_eq_mono_cvv"
Plugin Unique ID: 19007
Maker: "Steve Harris <steve@xxxxxxxxxxxxx>"
Copyright: "GPL"
Must Run Real-Time: No
Has activate() Function: Yes
Has deativate() Function: No
Has run_adding() Function: Yes
Environment: Normal or Hard Real-Time
Ports: "Input" input, audio
"Output" output, audio
"latency" output, control
Plugin Name: "DJ EQ"
Plugin Label: "dj_eq_cvv"
Plugin Unique ID: 19001
Maker: "Steve Harris <steve@xxxxxxxxxxxxx>"
Copyright: "GPL"
Must Run Real-Time: No
Has activate() Function: Yes
Has deativate() Function: No
Has run_adding() Function: Yes
Environment: Normal or Hard Real-Time
Ports: "Input L" input, audio
"Input R" input, audio
"Output L" output, audio
"Output R" output, audio
"latency" output, control
$
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