[FFmpeg-trac] #8583(avfilter:new): ladspa and lv2 too many inputs

[FFmpeg]

#8583: ladspa and lv2 too many inputs
----------------------------------+--------------------------------------
             Reporter:  ents      |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avfilter  |                  Version:  git-master
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
----------------------------------+--------------------------------------
 Hey,

 I wanted to test some lv2 plugins with sidechaining but it does not seem
 to be supported, it gives me errors.
  ''[AVFilterGraph @ 0x555a2bb0d140] Too many inputs specified for the
 "lv2" filter.''

 Command below. Same thing happens with ladspa version of the plugin


 {{{
 ffmpeg -i peq.wav -i dyn.wav -filter_complex "[1:a][0:a]lv2=p=http
 \\\\://lsp-
 plug.in/plugins/lv2/sc_dyna_processor_stereo:c=sct=2|sla=10.000000|atd=10.000000|rtd=4999.998047|tl0=0.398107|gl0=0.398107|al0=1.000000|at0=10.000000|re0=true|rl0=0.398107|rt0=10.000000|pe1=true|tl1=0.031623|gl1=0.112202|al1=1.000000|at1=10.000000|re1=true|rl1=0.031623|rt1=10.000000|pe2=true|tl2=0.003162|gl2=0.035481|al2=1.000000|at2=10.000000|re2=true|rl2=0.003162|rt2=30.000000|tl3=0.003162|gl3=0.003162|al3=1.000000|hlr=100.000000"
 -b:a:0 256k uu.aac
 ffmpeg version N-96841-g7e08a92 Copyright (c) 2000-2020 the FFmpeg
 developers
   built with gcc 8 (Debian 8.3.0-6)
   configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static
 --extra-cflags=-I/root/ffmpeg_build/include --extra-
 ldflags=-L/root/ffmpeg_build/lib --extra-libs='-lpthread -lm'
 --bindir=/root/bin --enable-gpl --enable-ladspa --enable-lv2 --enable-
 libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame
 --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264
 --enable-libx265 --enable-nonfree
   libavutil      56. 42.100 / 56. 42.100
   libavcodec     58. 73.102 / 58. 73.102
   libavformat    58. 39.101 / 58. 39.101
   libavdevice    58.  9.103 / 58.  9.103
   libavfilter     7. 77.100 /  7. 77.100
   libswscale      5.  6.100 /  5.  6.100
   libswresample   3.  6.100 /  3.  6.100
   libpostproc    55.  6.100 / 55.  6.100
 Guessed Channel Layout for Input Stream #0.0 : stereo
 Input #0, wav, from 'peq.wav':
   Duration: 00:03:38.02, bitrate: 1536 kb/s
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, s16, 1536 kb/s
 Guessed Channel Layout for Input Stream #1.0 : stereo
 Input #1, wav, from 'dyn.wav':
   Duration: 00:03:38.02, bitrate: 1536 kb/s
     Stream #1:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, s16, 1536 kb/s
 [AVFilterGraph @ 0x555a2bb0d140] Too many inputs specified for the "lv2"
 filter.
 Error initializing complex filters.
 Invalid argument

 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8583>
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