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#1 2018-04-03 18:36:15

quequotion
Member
From: Oita, Japan
Registered: 2013-07-29
Posts: 720
Website

[SOLVED] Pulseaudio cannot find LADSPA plugins

I'm trying to set up volume normalization, but pulseaudio refuses to load the plugins, pretending it can't find the files (the same error is given for any ladspa plugin specified):

ltdl-bind-now.c: Failed to open module fast_lookahead_limiter_1913.so: fast_lookahead_limiter_1913.so: cannot open shared object file: No such file or directory

This plugin, and all the plugins required, are installed by community/swh-plugins. I have tried rebuilding the package locally, but still pulseaudio fails to locate the installed files with the same error.

The files are installed:

$ pacman -Ql swh-plugins
swh-plugins /usr/
swh-plugins /usr/lib/
swh-plugins /usr/lib/ladspa/
swh-plugins /usr/lib/ladspa/alias_1407.so
swh-plugins /usr/lib/ladspa/allpass_1895.so
swh-plugins /usr/lib/ladspa/am_pitchshift_1433.so
swh-plugins /usr/lib/ladspa/amp_1181.so
swh-plugins /usr/lib/ladspa/analogue_osc_1416.so
swh-plugins /usr/lib/ladspa/bandpass_a_iir_1893.so
swh-plugins /usr/lib/ladspa/bandpass_iir_1892.so
swh-plugins /usr/lib/ladspa/bode_shifter_1431.so
swh-plugins /usr/lib/ladspa/bode_shifter_cv_1432.so
swh-plugins /usr/lib/ladspa/butterworth_1902.so
swh-plugins /usr/lib/ladspa/chebstortion_1430.so
swh-plugins /usr/lib/ladspa/comb_1190.so
swh-plugins /usr/lib/ladspa/comb_1887.so
swh-plugins /usr/lib/ladspa/comb_splitter_1411.so
swh-plugins /usr/lib/ladspa/const_1909.so
swh-plugins /usr/lib/ladspa/crossover_dist_1404.so
swh-plugins /usr/lib/ladspa/dc_remove_1207.so
swh-plugins /usr/lib/ladspa/decay_1886.so
swh-plugins /usr/lib/ladspa/decimator_1202.so
swh-plugins /usr/lib/ladspa/declip_1195.so
swh-plugins /usr/lib/ladspa/delay_1898.so
swh-plugins /usr/lib/ladspa/delayorama_1402.so
swh-plugins /usr/lib/ladspa/diode_1185.so
swh-plugins /usr/lib/ladspa/divider_1186.so
swh-plugins /usr/lib/ladspa/dj_eq_1901.so
swh-plugins /usr/lib/ladspa/dj_flanger_1438.so
swh-plugins /usr/lib/ladspa/dyson_compress_1403.so
swh-plugins /usr/lib/ladspa/fad_delay_1192.so
swh-plugins /usr/lib/ladspa/fast_lookahead_limiter_1913.so
swh-plugins /usr/lib/ladspa/flanger_1191.so
swh-plugins /usr/lib/ladspa/fm_osc_1415.so
swh-plugins /usr/lib/ladspa/foldover_1213.so
swh-plugins /usr/lib/ladspa/foverdrive_1196.so
swh-plugins /usr/lib/ladspa/freq_tracker_1418.so
swh-plugins /usr/lib/ladspa/gate_1410.so
swh-plugins /usr/lib/ladspa/giant_flange_1437.so
swh-plugins /usr/lib/ladspa/gong_1424.so
swh-plugins /usr/lib/ladspa/gong_beater_1439.so
swh-plugins /usr/lib/ladspa/gsm_1215.so
swh-plugins /usr/lib/ladspa/gverb_1216.so
swh-plugins /usr/lib/ladspa/hard_limiter_1413.so
swh-plugins /usr/lib/ladspa/harmonic_gen_1220.so
swh-plugins /usr/lib/ladspa/hermes_filter_1200.so
swh-plugins /usr/lib/ladspa/highpass_iir_1890.so
swh-plugins /usr/lib/ladspa/hilbert_1440.so
swh-plugins /usr/lib/ladspa/imp_1199.so
swh-plugins /usr/lib/ladspa/impulse_1885.so
swh-plugins /usr/lib/ladspa/inv_1429.so
swh-plugins /usr/lib/ladspa/karaoke_1409.so
swh-plugins /usr/lib/ladspa/latency_1914.so
swh-plugins /usr/lib/ladspa/lcr_delay_1436.so
swh-plugins /usr/lib/ladspa/lowpass_iir_1891.so
swh-plugins /usr/lib/ladspa/ls_filter_1908.so
swh-plugins /usr/lib/ladspa/matrix_ms_st_1421.so
swh-plugins /usr/lib/ladspa/matrix_spatialiser_1422.so
swh-plugins /usr/lib/ladspa/matrix_st_ms_1420.so
swh-plugins /usr/lib/ladspa/mbeq_1197.so
swh-plugins /usr/lib/ladspa/mod_delay_1419.so
swh-plugins /usr/lib/ladspa/multivoice_chorus_1201.so
swh-plugins /usr/lib/ladspa/notch_iir_1894.so
swh-plugins /usr/lib/ladspa/phasers_1217.so
swh-plugins /usr/lib/ladspa/pitch_scale_1193.so
swh-plugins /usr/lib/ladspa/pitch_scale_1194.so
swh-plugins /usr/lib/ladspa/plate_1423.so
swh-plugins /usr/lib/ladspa/pointer_cast_1910.so
swh-plugins /usr/lib/ladspa/rate_shifter_1417.so
swh-plugins /usr/lib/ladspa/retro_flange_1208.so
swh-plugins /usr/lib/ladspa/revdelay_1605.so
swh-plugins /usr/lib/ladspa/ringmod_1188.so
swh-plugins /usr/lib/ladspa/satan_maximiser_1408.so
swh-plugins /usr/lib/ladspa/sc1_1425.so
swh-plugins /usr/lib/ladspa/sc2_1426.so
swh-plugins /usr/lib/ladspa/sc3_1427.so
swh-plugins /usr/lib/ladspa/sc4_1882.so
swh-plugins /usr/lib/ladspa/sc4m_1916.so
swh-plugins /usr/lib/ladspa/se4_1883.so
swh-plugins /usr/lib/ladspa/shaper_1187.so
swh-plugins /usr/lib/ladspa/sifter_1210.so
swh-plugins /usr/lib/ladspa/sin_cos_1881.so
swh-plugins /usr/lib/ladspa/single_para_1203.so
swh-plugins /usr/lib/ladspa/sinus_wavewrapper_1198.so
swh-plugins /usr/lib/ladspa/smooth_decimate_1414.so
swh-plugins /usr/lib/ladspa/split_1406.so
swh-plugins /usr/lib/ladspa/step_muxer_1212.so
swh-plugins /usr/lib/ladspa/surround_encoder_1401.so
swh-plugins /usr/lib/ladspa/svf_1214.so
swh-plugins /usr/lib/ladspa/tape_delay_1211.so
swh-plugins /usr/lib/ladspa/transient_1206.so
swh-plugins /usr/lib/ladspa/triple_para_1204.so
swh-plugins /usr/lib/ladspa/valve_1209.so
swh-plugins /usr/lib/ladspa/valve_rect_1405.so
swh-plugins /usr/lib/ladspa/vocoder_1337.so
swh-plugins /usr/lib/ladspa/vynil_1905.so
swh-plugins /usr/lib/ladspa/wave_terrain_1412.so
swh-plugins /usr/lib/ladspa/xfade_1915.so
swh-plugins /usr/lib/ladspa/zm1_1428.so
swh-plugins /usr/share/
swh-plugins /usr/share/doc/
swh-plugins /usr/share/doc/swh-plugins/
swh-plugins /usr/share/doc/swh-plugins/AUTHORS
swh-plugins /usr/share/doc/swh-plugins/ChangeLog
swh-plugins /usr/share/doc/swh-plugins/NEWS
swh-plugins /usr/share/doc/swh-plugins/README
swh-plugins /usr/share/doc/swh-plugins/TODO
swh-plugins /usr/share/ladspa/
swh-plugins /usr/share/ladspa/rdf/
swh-plugins /usr/share/ladspa/rdf/swh-aux.rdf
swh-plugins /usr/share/ladspa/rdf/swh-plugins.rdf
swh-plugins /usr/share/ladspa/rdf/swh-scales.rdf
swh-plugins /usr/share/locale/
swh-plugins /usr/share/locale/en_GB/
swh-plugins /usr/share/locale/en_GB/LC_MESSAGES/
swh-plugins /usr/share/locale/en_GB/LC_MESSAGES/swh-plugins.mo

The plugins are recognized by the ladspa package utilities:

$ listplugins
/usr/lib/ladspa/foverdrive_1196.so:
	Fast overdrive (1196/foverdrive)
/usr/lib/ladspa/delay_1898.so:
	Simple delay line, noninterpolating (1898/delay_n)
	Simple delay line, linear interpolation (1899/delay_l)
	Simple delay line, cubic spline interpolation (1900/delay_c)
/usr/lib/ladspa/notch_iir_1894.so:
	Mag's Notch Filter (1894/notch_iir)
/usr/lib/ladspa/highpass_iir_1890.so:
	Glame Highpass Filter (1890/highpass_iir)
/usr/lib/ladspa/smooth_decimate_1414.so:
	Smooth Decimator (1414/smoothDecimate)
/usr/lib/ladspa/amp.so:
	Mono Amplifier (1048/amp_mono)
	Stereo Amplifier (1049/amp_stereo)
/usr/lib/ladspa/triple_para_1204.so:
	Triple band parametric with shelves (1204/triplePara)
/usr/lib/ladspa/sc4_1882.so:
	SC4 (1882/sc4)
/usr/lib/ladspa/retro_flange_1208.so:
	Retro Flanger (1208/retroFlange)
/usr/lib/ladspa/single_para_1203.so:
	Single band parametric (1203/singlePara)
/usr/lib/ladspa/multivoice_chorus_1201.so:
	Multivoice Chorus (1201/multivoiceChorus)
/usr/lib/ladspa/gate_1410.so:
	Gate (1410/gate)
/usr/lib/ladspa/zm1_1428.so:
	z-1 (1428/zm1)
/usr/lib/ladspa/matrix_st_ms_1420.so:
	Matrix: Stereo to MS (1420/matrixStMS)
/usr/lib/ladspa/gong_beater_1439.so:
	Gong beater (1439/gongBeater)
/usr/lib/ladspa/comb_splitter_1411.so:
	Comb Splitter (1411/combSplitter)
/usr/lib/ladspa/filter.so:
	Simple Low Pass Filter (1041/lpf)
	Simple High Pass Filter (1042/hpf)
/usr/lib/ladspa/latency_1914.so:
	Artificial latency (1914/artificialLatency)
/usr/lib/ladspa/bandpass_iir_1892.so:
	Glame Bandpass Filter (1892/bandpass_iir)
/usr/lib/ladspa/gsm_1215.so:
	GSM simulator (1215/gsm)
/usr/lib/ladspa/fast_lookahead_limiter_1913.so:
	Fast Lookahead limiter (1913/fastLookaheadLimiter)
/usr/lib/ladspa/comb_1190.so:
	Comb Filter (1190/comb)
/usr/lib/ladspa/decimator_1202.so:
	Decimator (1202/decimator)
/usr/lib/ladspa/valve_1209.so:
	Valve saturation (1209/valve)
/usr/lib/ladspa/ladspa-rubberband.so:
	Rubber Band Mono Pitch Shifter (2979/rubberband-pitchshifter-mono)
	Rubber Band Stereo Pitch Shifter (9792/rubberband-pitchshifter-stereo)
/usr/lib/ladspa/sine.so:
	Sine Oscillator (Freq:audio, Amp:audio) (1044/sine_faaa)
	Sine Oscillator (Freq:audio, Amp:control) (1045/sine_faac)
	Sine Oscillator (Freq:control, Amp:audio) (1046/sine_fcaa)
	Sine Oscillator (Freq:control, Amp:control) (1047/sine_fcac)
/usr/lib/ladspa/vynil_1905.so:
	VyNil (Vinyl Effect) (1905/vynil)
/usr/lib/ladspa/analogue_osc_1416.so:
	Analogue Oscillator (1416/analogueOsc)
/usr/lib/ladspa/allpass_1895.so:
	Allpass delay line, noninterpolating (1895/allpass_n)
	Allpass delay line, linear interpolation (1896/allpass_l)
	Allpass delay line, cubic spline interpolation (1897/allpass_c)
/usr/lib/ladspa/pitch_scale_1193.so:
	Pitch Scaler (1193/pitchScale)
/usr/lib/ladspa/chebstortion_1430.so:
	Chebyshev distortion (1430/chebstortion)
/usr/lib/ladspa/decay_1886.so:
	Exponential signal decay (1886/decay)
/usr/lib/ladspa/karaoke_1409.so:
	Karaoke (1409/karaoke)
/usr/lib/ladspa/step_muxer_1212.so:
	Step Demuxer (1212/stepMuxer)
/usr/lib/ladspa/ls_filter_1908.so:
	LS Filter (1908/lsFilter)
/usr/lib/ladspa/pointer_cast_1910.so:
	Pointer cast distortion (1910/pointerCastDistortion)
/usr/lib/ladspa/gverb_1216.so:
	GVerb (1216/gverb)
/usr/lib/ladspa/surround_encoder_1401.so:
	Surround matrix encoder (1401/surroundEncoder)
/usr/lib/ladspa/dc_remove_1207.so:
	DC Offset Remover (1207/dcRemove)
/usr/lib/ladspa/foldover_1213.so:
	Foldover distortion (1213/foldover)
/usr/lib/ladspa/inv_1429.so:
	Inverter (1429/inv)
/usr/lib/ladspa/lowpass_iir_1891.so:
	Glame Lowpass Filter (1891/lowpass_iir)
/usr/lib/ladspa/plate_1423.so:
	Plate reverb (1423/plate)
/usr/lib/ladspa/dj_flanger_1438.so:
	DJ flanger (1438/djFlanger)
/usr/lib/ladspa/dyson_compress_1403.so:
	Dyson compressor (1403/dysonCompress)
/usr/lib/ladspa/fad_delay_1192.so:
	Fractionally Addressed Delay Line (1192/fadDelay)
/usr/lib/ladspa/matrix_ms_st_1421.so:
	Matrix: MS to Stereo (1421/matrixMSSt)
/usr/lib/ladspa/divider_1186.so:
	Audio Divider (Suboctave Generator) (1186/divider)
/usr/lib/ladspa/sifter_1210.so:
	Signal sifter (1210/sifter)
/usr/lib/ladspa/xfade_1915.so:
	Crossfade (1915/xfade)
	Crossfade (4 outs) (1917/xfade4)
/usr/lib/ladspa/split_1406.so:
	Mono to Stereo splitter (1406/split)
/usr/lib/ladspa/matrix_spatialiser_1422.so:
	Matrix Spatialiser (1422/matrixSpatialiser)
/usr/lib/ladspa/sc3_1427.so:
	SC3 (1427/sc3)
/usr/lib/ladspa/delayorama_1402.so:
	Delayorama (1402/delayorama)
/usr/lib/ladspa/sc2_1426.so:
	SC2 (1426/sc2)
/usr/lib/ladspa/bode_shifter_1431.so:
	Bode frequency shifter (1431/bodeShifter)
/usr/lib/ladspa/bandpass_a_iir_1893.so:
	Glame Bandpass Analog Filter (1893/bandpass_a_iir)
/usr/lib/ladspa/sc1_1425.so:
	SC1 (1425/sc1)
/usr/lib/ladspa/freq_tracker_1418.so:
	Frequency tracker (1418/freqTracker)
/usr/lib/ladspa/comb_1887.so:
	Comb delay line, noninterpolating (1889/comb_n)
	Comb delay line, linear interpolation (1887/comb_l)
	Comb delay line, cubic spline interpolation (1888/comb_c)
/usr/lib/ladspa/mod_delay_1419.so:
	Modulatable delay (1419/modDelay)
/usr/lib/ladspa/wave_terrain_1412.so:
	Wave Terrain Oscillator (1412/waveTerrain)
/usr/lib/ladspa/diode_1185.so:
	Diode Processor (1185/diode)
/usr/lib/ladspa/butterworth_1902.so:
	Glame Butterworth X-over Filter (1902/bwxover_iir)
	GLAME Butterworth Lowpass (1903/buttlow_iir)
	GLAME Butterworth Highpass (1904/butthigh_iir)
/usr/lib/ladspa/bode_shifter_cv_1432.so:
	Bode frequency shifter (CV) (1432/bodeShifterCV)
/usr/lib/ladspa/hard_limiter_1413.so:
	Hard Limiter (1413/hardLimiter)
/usr/lib/ladspa/sc4m_1916.so:
	SC4 mono (1916/sc4m)
/usr/lib/ladspa/lcr_delay_1436.so:
	L/C/R Delay (1436/lcrDelay)
/usr/lib/ladspa/mbeq_1197.so:
	Multiband EQ (1197/mbeq)
/usr/lib/ladspa/noise.so:
	White Noise Source (1050/noise_white)
/usr/lib/ladspa/se4_1883.so:
	SE4 (1883/se4)
/usr/lib/ladspa/vocoder_1337.so:
	Vocoder (1337/vocoder)
/usr/lib/ladspa/imp_1199.so:
	Impulse convolver (1199/imp)
/usr/lib/ladspa/revdelay_1605.so:
	Reverse Delay (5s max) (1605/revdelay)
/usr/lib/ladspa/alias_1407.so:
	Aliasing (1407/alias)
/usr/lib/ladspa/rate_shifter_1417.so:
	Rate shifter (1417/rateShifter)
/usr/lib/ladspa/ringmod_1188.so:
	Ringmod with two inputs (1188/ringmod_2i1o)
	Ringmod with LFO (1189/ringmod_1i1o1l)
/usr/lib/ladspa/const_1909.so:
	Constant Signal Generator (1909/const)
/usr/lib/ladspa/pitch_scale_1194.so:
	Higher Quality Pitch Scaler (1194/pitchScaleHQ)
/usr/lib/ladspa/gong_1424.so:
	Gong model (1424/gong)
/usr/lib/ladspa/fm_osc_1415.so:
	FM Oscillator (1415/fmOsc)
/usr/lib/ladspa/amp_1181.so:
	Simple amplifier (1181/amp)
/usr/lib/ladspa/delay.so:
	Simple Delay Line (1043/delay_5s)
/usr/lib/ladspa/impulse_1885.so:
	Nonbandlimited single-sample impulses (Frequency: Control) (1885/impulse_fc)
/usr/lib/ladspa/valve_rect_1405.so:
	Valve rectifier (1405/valveRect)
/usr/lib/ladspa/sin_cos_1881.so:
	Sine + cosine oscillator (1881/sinCos)
/usr/lib/ladspa/transient_1206.so:
	Transient mangler (1206/transient)
/usr/lib/ladspa/tape_delay_1211.so:
	Tape Delay Simulation (1211/tapeDelay)
/usr/lib/ladspa/harmonic_gen_1220.so:
	Harmonic generator (1220/harmonicGen)
/usr/lib/ladspa/phasers_1217.so:
	LFO Phaser (1217/lfoPhaser)
	4 x 4 pole allpass (1218/fourByFourPole)
	Auto phaser (1219/autoPhaser)
/usr/lib/ladspa/am_pitchshift_1433.so:
	AM pitchshifter (1433/amPitchshift)
/usr/lib/ladspa/dj_eq_1901.so:
	DJ EQ (mono) (1907/dj_eq_mono)
	DJ EQ (1901/dj_eq)
/usr/lib/ladspa/shaper_1187.so:
	Wave shaper (1187/shaper)
/usr/lib/ladspa/hilbert_1440.so:
	Hilbert transformer (1440/hilbert)
/usr/lib/ladspa/hermes_filter_1200.so:
	Hermes Filter (1200/hermesFilter)
/usr/lib/ladspa/giant_flange_1437.so:
	Giant flange (1437/giantFlange)
/usr/lib/ladspa/satan_maximiser_1408.so:
	Barry's Satan Maximiser (1408/satanMaximiser)
/usr/lib/ladspa/flanger_1191.so:
	Flanger (1191/flanger)
/usr/lib/ladspa/sinus_wavewrapper_1198.so:
	Sinus wavewrapper (1198/sinusWavewrapper)
/usr/lib/ladspa/svf_1214.so:
	State Variable Filter (1214/svf)
/usr/lib/ladspa/crossover_dist_1404.so:
	Crossover distortion (1404/crossoverDist)
/usr/lib/ladspa/declip_1195.so:
	Declipper (1195/declip)

The libraries are built for the correct architecture:

$ readelf -a -W /usr/lib/ladspa/fast_lookahead_limiter_1913.so 
ELF Header:
  Magic:   7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 
  Class:                             ELF64
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              DYN (Shared object file)
  Machine:                           Advanced Micro Devices X86-64
  Version:                           0x1
  Entry point address:               0x760
  Start of program headers:          64 (bytes into file)
  Start of section headers:          9640 (bytes into file)
  Flags:                             0x0
  Size of this header:               64 (bytes)
  Size of program headers:           56 (bytes)
  Number of program headers:         7
  Size of section headers:           64 (bytes)
  Number of section headers:         23
  Section header string table index: 22

Section Headers:
  [Nr] Name              Type            Address          Off    Size   ES Flg Lk Inf Al
  [ 0]                   NULL            0000000000000000 000000 000000 00      0   0  0
  [ 1] .note.gnu.build-id NOTE            00000000000001c8 0001c8 000024 00   A  0   0  4
  [ 2] .gnu.hash         GNU_HASH        00000000000001f0 0001f0 00004c 00   A  3   0  8
  [ 3] .dynsym           DYNSYM          0000000000000240 000240 0001c8 18   A  4   1  8
  [ 4] .dynstr           STRTAB          0000000000000408 000408 000128 00   A  0   0  1
  [ 5] .gnu.version      VERSYM          0000000000000530 000530 000026 02   A  3   0  2
  [ 6] .gnu.version_r    VERNEED         0000000000000558 000558 000050 00   A  4   2  8
  [ 7] .rela.dyn         RELA            00000000000005a8 0005a8 000198 18   A  3   0  8
  [ 8] .init             PROGBITS        0000000000000740 000740 000017 00  AX  0   0  4
  [ 9] .text             PROGBITS        0000000000000760 000760 001261 00  AX  0   0 16
  [10] .fini             PROGBITS        00000000000019c4 0019c4 000009 00  AX  0   0  4
  [11] .rodata           PROGBITS        00000000000019d0 0019d0 000170 00   A  0   0 16
  [12] .eh_frame_hdr     PROGBITS        0000000000001b40 001b40 00005c 00   A  0   0  4
  [13] .eh_frame         PROGBITS        0000000000001ba0 001ba0 0001bc 00   A  0   0  8
  [14] .init_array       INIT_ARRAY      0000000000201d98 001d98 000010 08  WA  0   0  8
  [15] .fini_array       FINI_ARRAY      0000000000201da8 001da8 000010 08  WA  0   0  8
  [16] .dynamic          DYNAMIC         0000000000201db8 001db8 0001d0 10  WA  4   0  8
  [17] .got              PROGBITS        0000000000201f88 001f88 000078 08  WA  0   0  8
  [18] .data             PROGBITS        0000000000202000 002000 000008 00  WA  0   0  8
  [19] .bss              NOBITS          0000000000202008 002008 000010 00  WA  0   0  8
  [20] .comment          PROGBITS        0000000000000000 002008 00001a 01  MS  0   0  1
  [21] .GCC.command.line PROGBITS        0000000000000000 002022 0004a7 01  MS  0   0  1
  [22] .shstrtab         STRTAB          0000000000000000 0024c9 0000dc 00      0   0  1
Key to Flags:
  W (write), A (alloc), X (execute), M (merge), S (strings), I (info),
  L (link order), O (extra OS processing required), G (group), T (TLS),
  C (compressed), x (unknown), o (OS specific), E (exclude),
  l (large), p (processor specific)

There are no section groups in this file.

Program Headers:
  Type           Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
  LOAD           0x000000 0x0000000000000000 0x0000000000000000 0x001d5c 0x001d5c R E 0x200000
  LOAD           0x001d98 0x0000000000201d98 0x0000000000201d98 0x000270 0x000280 RW  0x200000
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The README specifies that I need fftw with 32 bit float support; I have the package extra/fftw installed; not sure if it's relevant to the particular plugins I want to use.

Is pulseaudio looking in the wrong place?
Edit: Apparently this, in fact it seems pulseaudio is looking nowhere for these files. Setting the variable LADSPA_PATH appropriately resolves the problem. No idea why that's necessary.
Has the syntax changed?
Is there any possiblity this is not an upstream bug?

Last edited by quequotion (2018-04-04 05:01:20)

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#2 2018-04-03 19:52:23

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 7,949

Re: [SOLVED] Pulseaudio cannot find LADSPA plugins

Works here.

What exact command are you using? Have you set LADSPA_PATH to some wrong value? Selfbuilt pulse for some reason? Output of

printenv

? Some random sandbox? System-mode pulse?

Last edited by V1del (2018-04-03 19:58:27)

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#3 2018-04-03 20:07:43

quequotion
Member
From: Oita, Japan
Registered: 2013-07-29
Posts: 720
Website

Re: [SOLVED] Pulseaudio cannot find LADSPA plugins

V1del wrote:

LADSPA_PATH

Just discovered this variable for myself here. On my system it is not set; I have AUR/pulseaudio-git installed. How is this variable set on your system; by the pulseaudio package?

Other than using the git package, and configuration particular to my hardware, my pulseaudio setup is nothing out of the ordinary. It doesn't make sense that this variable is not set unless it is a mistake in the pulseaudio-git package or I am missing another package that would set the variable (why not extra/ladspa?).

Last edited by quequotion (2018-04-03 20:09:47)

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#4 2018-04-03 20:29:46

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 7,949

Re: [SOLVED] Pulseaudio cannot find LADSPA plugins

The variable does not have to be set (it isn't on my system), something on your system prevents it from being picked up from the default location. Do you set a non-standard libdir in your pulse build? Checking the pulseaudio-git package, the PKGBUILD hasn't been touched for two years and depending on when you did your last rebuild there might be some incompatibilities with the latest stack and libdir path resolution.

Last edited by V1del (2018-04-03 20:34:41)

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#5 2018-04-03 20:46:09

quequotion
Member
From: Oita, Japan
Registered: 2013-07-29
Posts: 720
Website

Re: [SOLVED] Pulseaudio cannot find LADSPA plugins

V1del wrote:

Do you set a non-standard libdir in your pulse build? Checking the pulseaudio-git package, the PKGBUILD hasn't been touched for two years and depending on when you did your last rebuild there might be some incompatibilities with the latest stack and libdir path resolution.

I did nothing out of the ordinary at all; never edited this PKGBUILD. I do regularly rebuild this package however (to get updates, theoretically better performance, etc).

V1del wrote:

The variable does not have to be set (it isn't on my system), something on your system prevents it from being picked up from the default location.

What is the "default location" (for setting the variable; I know the default location for the files)? Is there something on your system that provides a default value for this varible? I don't seem to have whatever that might be.

Just to be clear: setting this variable solves the problem, so it seems like it has to be set or pulseaudio/ladspa should make a default assumption about it (which is not happening on my end for reasons unknown).

Last edited by quequotion (2018-04-03 20:48:40)

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#6 2018-04-03 22:06:29

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 7,949

Re: [SOLVED] Pulseaudio cannot find LADSPA plugins

LADSPA module page wrote:

If the environment variable isn't set, "$libdir/ladspa:/usr/local/lib/ladspa:/usr/lib/ladspa" is used instead ($libdir is specified at build time, so the default search path should include the directory where your distribution installs LADSPA plugins).

I'm guessing whatever $libdir resolves to in your system is incorrect.

Last edited by V1del (2018-04-03 22:07:59)

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#7 2018-04-04 04:29:15

quequotion
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From: Oita, Japan
Registered: 2013-07-29
Posts: 720
Website

Re: [SOLVED] Pulseaudio cannot find LADSPA plugins

V1del wrote:

I'm guessing whatever $libdir resolves to in your system is incorrect.

Not at home to check right now, but not sure how that would only affect one package (don't currently have anything else complaining about missing library files at build or runtime). If this were the case, it must have been so only during the time it took to build pulseaudio-git (haven't built extra/ladspa locally). Is that possible?

Last edited by quequotion (2018-04-04 04:31:22)

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#8 2018-04-04 07:25:22

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 7,949

Re: [SOLVED] Pulseaudio cannot find LADSPA plugins

Yes, that is used during pulse build time. If you also have a custom glibc/libtool/ld.so.conf that might also have a hand in how/what this is/was set to.

Last edited by V1del (2018-04-04 07:46:07)

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#9 2018-04-04 08:02:25

quequotion
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From: Oita, Japan
Registered: 2013-07-29
Posts: 720
Website

Re: [SOLVED] Pulseaudio cannot find LADSPA plugins

V1del wrote:

Yes, that is used during pulse build time. If you also have a custom glibc/libtool/ld.so.conf that might also have a hand in how/what this is/was set to.

I will investigate how $libdir was not set properly while building the pulseaudio-git package (and not while building other packages...).

I don't know have a custom config persay, but now that you mention it, I don't recall if the currently installed pulseaudio-git was built with or without link-time-optimization; most likely without.

Last edited by quequotion (2018-04-04 10:02:43)

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