Help with syntax using lv2 filter plugin

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Help with syntax using lv2 filter plugin

David Ing
Hi I am wondering about the exact syntax for using ffmpeg with an LV2
filter.

The command I'm using is:

    ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
github.com/lucianodato/speech-denoiser $OUTPUT

But I get an "Error initializing filter 'lv2'" error:

ffmpeg version 4.1.3-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8 (Ubuntu 8.3.0-6ubuntu1)
  configuration: --prefix=/usr --extra-version=0ubuntu1
--toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
--incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
--disable-stripping --enable-avresample --disable-filter=resample
--enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
--enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
--enable-libcdio --enable-libcodec2 --enable-libflite
--enable-libfontconfig --enable-libfreetype --enable-libfribidi
--enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame
--enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
--enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
--enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq
--enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl
--enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
--enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, wav, from '/data/sample_car.wav':
  Metadata:
    encoder         : Lavf58.12.100
  Duration: 00:01:05.02, bitrate: 1411 kb/s
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
stereo, s16, 1411 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
error: attempt to map invalid URI `https'
[lv2 @ 0x561771d961c0] Invalid plugin URI <https>
[AVFilterGraph @ 0x561771d4ebc0] Error initializing filter 'lv2' with args
'plugin=https://github.com/lucianodato/speech-denoiser'
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:0
Conversion failed!


I tried to follow the documentation but it was a bit vague.

    https://ffmpeg.org/ffmpeg-filters.html#lv2

For more specific details about reproducing this problem exactly, see here:

    https://github.com/lucianodato/speech-denoiser/issues/16
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Re: Help with syntax using lv2 filter plugin

Moritz Barsnick
On Thu, May 09, 2019 at 15:57:01 -0700, David Ing wrote:
> The command I'm using is:
>
>     ffmpeg -i $INPUT -af lv2=plugin=https\\\\://github.com/lucianodato/speech-denoiser $OUTPUT

Apparently, the quoting isn't sufficient, because:

> error: attempt to map invalid URI `https'
> [lv2 @ 0x561771d961c0] Invalid plugin URI <https>

I.e. the ":" in the URI ist still considered a filter option separator.

Could you please try:
$ ffmpeg -i $INPUT -af "lv2=plugin='https://github.com/lucianodato/speech-denoiser'" $OUTPUT

> I tried to follow the documentation but it was a bit vague.
>     https://ffmpeg.org/ffmpeg-filters.html#lv2

It's an issue with quoting, not about lv2.

There are several chapters in the docs, but they might confuse you even
more:
http://ffmpeg.org/ffmpeg-utils.html#quoting_005fand_005fescaping
http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping

>     https://github.com/lucianodato/speech-denoiser/issues/16

Your "docker run" will introduce another level of (shell) escaping into
this hell. :-(

HTH,
Moritz
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Re: Help with syntax using lv2 filter plugin

David Ing
Moritz,

Thank you.

Although your suggestion did not work, you gave me enough information to
find one that did.  The following works from a bash prompt.

ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
github.com/lucianodato/speech-denoiser' $OUTPUT


Now I have a separate problem which is:  *Plugin
<https://github.com/lucianodato/speech-denoiser
<https://github.com/lucianodato/speech-denoiser>> not found*

root@b88297120832:/data# *ffmpeg -i $INPUT -af
'lv2=plugin=https\\://github.com/lucianodato/speech-denoiser
<http://github.com/lucianodato/speech-denoiser>' $OUTPUT*
ffmpeg version 4.1.3-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8 (Ubuntu 8.3.0-6ubuntu1)
  configuration: --prefix=/usr --extra-version=0ubuntu1
--toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
--incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
--disable-stripping --enable-avresample --disable-filter=resample
--enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
--enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
--enable-libcdio --enable-libcodec2 --enable-libflite
--enable-libfontconfig --enable-libfreetype --enable-libfribidi
--enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame
--enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
--enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
--enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq
--enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl
--enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
--enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, wav, from '/data/sample_car.wav':
  Metadata:
    encoder         : Lavf58.12.100
  Duration: 00:01:05.02, bitrate: 1411 kb/s
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
stereo, s16, 1411 kb/s
File '/data/sample_car.sdenoise.wav' already exists. Overwrite ? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[lv2 @ 0x55613f407300] *Plugin
<**https://github.com/lucianodato/speech-denoiser
<https://github.com/lucianodato/speech-denoiser>**> not found*
[AVFilterGraph @ 0x55613f3e7140] Error initializing filter 'lv2' with args
'plugin=https\://github.com/lucianodato/speech-denoiser'
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:0
Conversion failed!


Now I don't know anything about LADSPA or LV2, but here are the contents of
my file:  */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*

@prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.

<https://github.com/lucianodato/speech-denoiser>
  a lv2:Plugin;
  lv2:binary <sdenoise.so> ;
  rdfs:seeAlso <sdenoise.ttl> .

@prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.

<https://github.com/lucianodato/speech-denoiser>
  a lv2:Plugin;
  lv2:binary <sdenoise.so> ;
  rdfs:seeAlso <sdenoise.ttl> .


What am I doing wrong?

On Fri, May 10, 2019 at 12:51 AM Moritz Barsnick <[hidden email]> wrote:

> On Thu, May 09, 2019 at 15:57:01 -0700, David Ing wrote:
> > The command I'm using is:
> >
> >     ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
> github.com/lucianodato/speech-denoiser $OUTPUT
>
> Apparently, the quoting isn't sufficient, because:
>
> > error: attempt to map invalid URI `https'
> > [lv2 @ 0x561771d961c0] Invalid plugin URI <https>
>
> I.e. the ":" in the URI ist still considered a filter option separator.
>
> Could you please try:
> $ ffmpeg -i $INPUT -af "lv2=plugin='
> https://github.com/lucianodato/speech-denoiser'" $OUTPUT
>
> > I tried to follow the documentation but it was a bit vague.
> >     https://ffmpeg.org/ffmpeg-filters.html#lv2
>
> It's an issue with quoting, not about lv2.
>
> There are several chapters in the docs, but they might confuse you even
> more:
> http://ffmpeg.org/ffmpeg-utils.html#quoting_005fand_005fescaping
> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping
>
> >     https://github.com/lucianodato/speech-denoiser/issues/16
>
> Your "docker run" will introduce another level of (shell) escaping into
> this hell. :-(
>
> HTH,
> Moritz
> _______________________________________________
> ffmpeg-user mailing list
> [hidden email]
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> [hidden email] with subject "unsubscribe".
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Re: Help with syntax using lv2 filter plugin

David Ing
There was a slight copy-paste error in my last email.

Here are the contents of my file:
*/usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*

@prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.

<https://github.com/lucianodato/speech-denoiser>
  a lv2:Plugin;
  lv2:binary <sdenoise.so> ;
  rdfs:seeAlso <sdenoise.ttl> .


What am I doing wrong?

On Fri, May 10, 2019 at 8:13 AM David Ing <[hidden email]> wrote:

> Moritz,
>
> Thank you.
>
> Although your suggestion did not work, you gave me enough information to
> find one that did.  The following works from a bash prompt.
>
> ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
> github.com/lucianodato/speech-denoiser' $OUTPUT
>
>
> Now I have a separate problem which is:  *Plugin
> <https://github.com/lucianodato/speech-denoiser
> <https://github.com/lucianodato/speech-denoiser>> not found*
>
> root@b88297120832:/data# *ffmpeg -i $INPUT -af
> 'lv2=plugin=https\\://github.com/lucianodato/speech-denoiser
> <http://github.com/lucianodato/speech-denoiser>' $OUTPUT*
> ffmpeg version 4.1.3-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg developers
>   built with gcc 8 (Ubuntu 8.3.0-6ubuntu1)
>   configuration: --prefix=/usr --extra-version=0ubuntu1
> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
> --disable-stripping --enable-avresample --disable-filter=resample
> --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
> --enable-libcdio --enable-libcodec2 --enable-libflite
> --enable-libfontconfig --enable-libfreetype --enable-libfribidi
> --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame
> --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
> --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband
> --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
> --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab
> --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
> --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq
> --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl
> --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
> --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
>   libavutil      56. 22.100 / 56. 22.100
>   libavcodec     58. 35.100 / 58. 35.100
>   libavformat    58. 20.100 / 58. 20.100
>   libavdevice    58.  5.100 / 58.  5.100
>   libavfilter     7. 40.101 /  7. 40.101
>   libavresample   4.  0.  0 /  4.  0.  0
>   libswscale      5.  3.100 /  5.  3.100
>   libswresample   3.  3.100 /  3.  3.100
>   libpostproc    55.  3.100 / 55.  3.100
> Guessed Channel Layout for Input Stream #0.0 : stereo
> Input #0, wav, from '/data/sample_car.wav':
>   Metadata:
>     encoder         : Lavf58.12.100
>   Duration: 00:01:05.02, bitrate: 1411 kb/s
>     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
> stereo, s16, 1411 kb/s
> File '/data/sample_car.sdenoise.wav' already exists. Overwrite ? [y/N] y
> Stream mapping:
>   Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
> Press [q] to stop, [?] for help
> [lv2 @ 0x55613f407300] *Plugin <**https://github.com/lucianodato/speech-denoiser
> <https://github.com/lucianodato/speech-denoiser>**> not found*
> [AVFilterGraph @ 0x55613f3e7140] Error initializing filter 'lv2' with args
> 'plugin=https\://github.com/lucianodato/speech-denoiser'
> Error reinitializing filters!
> Failed to inject frame into filter network: Invalid argument
> Error while processing the decoded data for stream #0:0
> Conversion failed!
>
>
> Now I don't know anything about LADSPA or LV2, but here are the contents
> of my file:  */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
>
> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>
> <https://github.com/lucianodato/speech-denoiser>
>   a lv2:Plugin;
>   lv2:binary <sdenoise.so> ;
>   rdfs:seeAlso <sdenoise.ttl> .
>
> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>
> <https://github.com/lucianodato/speech-denoiser>
>   a lv2:Plugin;
>   lv2:binary <sdenoise.so> ;
>   rdfs:seeAlso <sdenoise.ttl> .
>
>
> What am I doing wrong?
>
> On Fri, May 10, 2019 at 12:51 AM Moritz Barsnick <[hidden email]> wrote:
>
>> On Thu, May 09, 2019 at 15:57:01 -0700, David Ing wrote:
>> > The command I'm using is:
>> >
>> >     ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
>> github.com/lucianodato/speech-denoiser $OUTPUT
>>
>> Apparently, the quoting isn't sufficient, because:
>>
>> > error: attempt to map invalid URI `https'
>> > [lv2 @ 0x561771d961c0] Invalid plugin URI <https>
>>
>> I.e. the ":" in the URI ist still considered a filter option separator.
>>
>> Could you please try:
>> $ ffmpeg -i $INPUT -af "lv2=plugin='
>> https://github.com/lucianodato/speech-denoiser'" $OUTPUT
>>
>> > I tried to follow the documentation but it was a bit vague.
>> >     https://ffmpeg.org/ffmpeg-filters.html#lv2
>>
>> It's an issue with quoting, not about lv2.
>>
>> There are several chapters in the docs, but they might confuse you even
>> more:
>> http://ffmpeg.org/ffmpeg-utils.html#quoting_005fand_005fescaping
>> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping
>>
>> >     https://github.com/lucianodato/speech-denoiser/issues/16
>>
>> Your "docker run" will introduce another level of (shell) escaping into
>> this hell. :-(
>>
>> HTH,
>> Moritz
>> _______________________________________________
>> ffmpeg-user mailing list
>> [hidden email]
>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>>
>> To unsubscribe, visit link above, or email
>> [hidden email] with subject "unsubscribe".
>
>
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Re: Help with syntax using lv2 filter plugin

Paul B Mahol
On 5/10/19, David Ing <[hidden email]> wrote:

> There was a slight copy-paste error in my last email.
>
> Here are the contents of my file:
> */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
>
> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>
> <https://github.com/lucianodato/speech-denoiser>
>   a lv2:Plugin;
>   lv2:binary <sdenoise.so> ;
>   rdfs:seeAlso <sdenoise.ttl> .
>
>
> What am I doing wrong?
>
> On Fri, May 10, 2019 at 8:13 AM David Ing <[hidden email]> wrote:
>
>> Moritz,
>>
>> Thank you.
>>
>> Although your suggestion did not work, you gave me enough information to
>> find one that did.  The following works from a bash prompt.
>>
>> ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
>> github.com/lucianodato/speech-denoiser' $OUTPUT
>>
>>
>> Now I have a separate problem which is:  *Plugin
>> <https://github.com/lucianodato/speech-denoiser
>> <https://github.com/lucianodato/speech-denoiser>> not found*
>>
>> root@b88297120832:/data# *ffmpeg -i $INPUT -af
>> 'lv2=plugin=https\\://github.com/lucianodato/speech-denoiser
>> <http://github.com/lucianodato/speech-denoiser>' $OUTPUT*
>> ffmpeg version 4.1.3-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg
>> developers
>>   built with gcc 8 (Ubuntu 8.3.0-6ubuntu1)
>>   configuration: --prefix=/usr --extra-version=0ubuntu1
>> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
>> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
>> --disable-stripping --enable-avresample --disable-filter=resample
>> --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
>> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
>> --enable-libcdio --enable-libcodec2 --enable-libflite
>> --enable-libfontconfig --enable-libfreetype --enable-libfribidi
>> --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame
>> --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
>> --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband
>> --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
>> --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab
>> --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
>> --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq
>> --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl
>> --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
>> --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
>>   libavutil      56. 22.100 / 56. 22.100
>>   libavcodec     58. 35.100 / 58. 35.100
>>   libavformat    58. 20.100 / 58. 20.100
>>   libavdevice    58.  5.100 / 58.  5.100
>>   libavfilter     7. 40.101 /  7. 40.101
>>   libavresample   4.  0.  0 /  4.  0.  0
>>   libswscale      5.  3.100 /  5.  3.100
>>   libswresample   3.  3.100 /  3.  3.100
>>   libpostproc    55.  3.100 / 55.  3.100
>> Guessed Channel Layout for Input Stream #0.0 : stereo
>> Input #0, wav, from '/data/sample_car.wav':
>>   Metadata:
>>     encoder         : Lavf58.12.100
>>   Duration: 00:01:05.02, bitrate: 1411 kb/s
>>     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
>> stereo, s16, 1411 kb/s
>> File '/data/sample_car.sdenoise.wav' already exists. Overwrite ? [y/N] y
>> Stream mapping:
>>   Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
>> Press [q] to stop, [?] for help
>> [lv2 @ 0x55613f407300] *Plugin
>> <**https://github.com/lucianodato/speech-denoiser
>> <https://github.com/lucianodato/speech-denoiser>**> not found*
>> [AVFilterGraph @ 0x55613f3e7140] Error initializing filter 'lv2' with args
>> 'plugin=https\://github.com/lucianodato/speech-denoiser'
>> Error reinitializing filters!
>> Failed to inject frame into filter network: Invalid argument
>> Error while processing the decoded data for stream #0:0
>> Conversion failed!
>>
>>
>> Now I don't know anything about LADSPA or LV2, but here are the contents
>> of my file:  */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
>>
>> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
>> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>>
>> <https://github.com/lucianodato/speech-denoiser>
>>   a lv2:Plugin;
>>   lv2:binary <sdenoise.so> ;
>>   rdfs:seeAlso <sdenoise.ttl> .
>>
>> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
>> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>>
>> <https://github.com/lucianodato/speech-denoiser>
>>   a lv2:Plugin;
>>   lv2:binary <sdenoise.so> ;
>>   rdfs:seeAlso <sdenoise.ttl> .
>>
>>
>> What am I doing wrong?

Have you read examples in lv2 documentation?

There is ':' escaped with '\' fourth times.

>>
>> On Fri, May 10, 2019 at 12:51 AM Moritz Barsnick <[hidden email]> wrote:
>>
>>> On Thu, May 09, 2019 at 15:57:01 -0700, David Ing wrote:
>>> > The command I'm using is:
>>> >
>>> >     ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
>>> github.com/lucianodato/speech-denoiser $OUTPUT
>>>
>>> Apparently, the quoting isn't sufficient, because:
>>>
>>> > error: attempt to map invalid URI `https'
>>> > [lv2 @ 0x561771d961c0] Invalid plugin URI <https>
>>>
>>> I.e. the ":" in the URI ist still considered a filter option separator.
>>>
>>> Could you please try:
>>> $ ffmpeg -i $INPUT -af "lv2=plugin='
>>> https://github.com/lucianodato/speech-denoiser'" $OUTPUT
>>>
>>> > I tried to follow the documentation but it was a bit vague.
>>> >     https://ffmpeg.org/ffmpeg-filters.html#lv2
>>>
>>> It's an issue with quoting, not about lv2.
>>>
>>> There are several chapters in the docs, but they might confuse you even
>>> more:
>>> http://ffmpeg.org/ffmpeg-utils.html#quoting_005fand_005fescaping
>>> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping
>>>
>>> >     https://github.com/lucianodato/speech-denoiser/issues/16
>>>
>>> Your "docker run" will introduce another level of (shell) escaping into
>>> this hell. :-(
>>>
>>> HTH,
>>> Moritz
>>> _______________________________________________
>>> ffmpeg-user mailing list
>>> [hidden email]
>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>>>
>>> To unsubscribe, visit link above, or email
>>> [hidden email] with subject "unsubscribe".
>>
>>
> _______________________________________________
> ffmpeg-user mailing list
> [hidden email]
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> [hidden email] with subject "unsubscribe".
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Re: Help with syntax using lv2 filter plugin

David Ing
Yes Paul, if you see earlier in this email thread, I tried to follow the
documentation (https://ffmpeg.org/ffmpeg-filters.html#lv2) but it was a bit
vague.  It suggested (vaguely) that I should use the following command,
but it failed because the colon was not escaped by the filtergraph escaping
layer (http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping):

ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
github.com/lucianodato/speech-denoiser $OUTPUT


Now my most recent attempt gets past this error:

ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
github.com/lucianodato/speech-denoiser' $OUTPUT


But now I get another error:

*Plugin <https://github.com/lucianodato/speech-denoiser
<https://github.com/lucianodato/speech-denoiser>> not found*


From that error message, it looks like I am at least passing the correct
information to ffmpeg (across the command line), but ffmpeg is somehow
unable to find the relevant plugin which is installed on my machine.  For
any LV2 experts out there, here are the contents of my file:
*/usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*

@prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.

<https://github.com/lucianodato/speech-denoiser>
  a lv2:Plugin;
  lv2:binary <sdenoise.so> ;
  rdfs:seeAlso <sdenoise.ttl> .


Does anyone know what I am doing wrong?

On Fri, May 10, 2019 at 9:08 AM Paul B Mahol <[hidden email]> wrote:

> On 5/10/19, David Ing <[hidden email]> wrote:
> > There was a slight copy-paste error in my last email.
> >
> > Here are the contents of my file:
> > */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
> >
> > @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> > @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >
> > <https://github.com/lucianodato/speech-denoiser>
> >   a lv2:Plugin;
> >   lv2:binary <sdenoise.so> ;
> >   rdfs:seeAlso <sdenoise.ttl> .
> >
> >
> > What am I doing wrong?
> >
> > On Fri, May 10, 2019 at 8:13 AM David Ing <[hidden email]> wrote:
> >
> >> Moritz,
> >>
> >> Thank you.
> >>
> >> Although your suggestion did not work, you gave me enough information to
> >> find one that did.  The following works from a bash prompt.
> >>
> >> ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
> >> github.com/lucianodato/speech-denoiser' $OUTPUT
> >>
> >>
> >> Now I have a separate problem which is:  *Plugin
> >> <https://github.com/lucianodato/speech-denoiser
> >> <https://github.com/lucianodato/speech-denoiser>> not found*
> >>
> >> root@b88297120832:/data# *ffmpeg -i $INPUT -af
> >> 'lv2=plugin=https\\://github.com/lucianodato/speech-denoiser
> >> <http://github.com/lucianodato/speech-denoiser>' $OUTPUT*
> >> ffmpeg version 4.1.3-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg
> >> developers
> >>   built with gcc 8 (Ubuntu 8.3.0-6ubuntu1)
> >>   configuration: --prefix=/usr --extra-version=0ubuntu1
> >> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
> >> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
> >> --disable-stripping --enable-avresample --disable-filter=resample
> >> --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
> >> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
> >> --enable-libcdio --enable-libcodec2 --enable-libflite
> >> --enable-libfontconfig --enable-libfreetype --enable-libfribidi
> >> --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame
> >> --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
> >> --enable-libopus --enable-libpulse --enable-librsvg
> --enable-librubberband
> >> --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
> >> --enable-libssh --enable-libtheora --enable-libtwolame
> --enable-libvidstab
> >> --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
> >> --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq
> >> --enable-libzvbi --enable-lv2 --enable-omx --enable-openal
> --enable-opengl
> >> --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
> >> --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
> >>   libavutil      56. 22.100 / 56. 22.100
> >>   libavcodec     58. 35.100 / 58. 35.100
> >>   libavformat    58. 20.100 / 58. 20.100
> >>   libavdevice    58.  5.100 / 58.  5.100
> >>   libavfilter     7. 40.101 /  7. 40.101
> >>   libavresample   4.  0.  0 /  4.  0.  0
> >>   libswscale      5.  3.100 /  5.  3.100
> >>   libswresample   3.  3.100 /  3.  3.100
> >>   libpostproc    55.  3.100 / 55.  3.100
> >> Guessed Channel Layout for Input Stream #0.0 : stereo
> >> Input #0, wav, from '/data/sample_car.wav':
> >>   Metadata:
> >>     encoder         : Lavf58.12.100
> >>   Duration: 00:01:05.02, bitrate: 1411 kb/s
> >>     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
> >> stereo, s16, 1411 kb/s
> >> File '/data/sample_car.sdenoise.wav' already exists. Overwrite ? [y/N] y
> >> Stream mapping:
> >>   Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
> >> Press [q] to stop, [?] for help
> >> [lv2 @ 0x55613f407300] *Plugin
> >> <**https://github.com/lucianodato/speech-denoiser
> >> <https://github.com/lucianodato/speech-denoiser>**> not found*
> >> [AVFilterGraph @ 0x55613f3e7140] Error initializing filter 'lv2' with
> args
> >> 'plugin=https\://github.com/lucianodato/speech-denoiser'
> >> Error reinitializing filters!
> >> Failed to inject frame into filter network: Invalid argument
> >> Error while processing the decoded data for stream #0:0
> >> Conversion failed!
> >>
> >>
> >> Now I don't know anything about LADSPA or LV2, but here are the contents
> >> of my file:  */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
> >>
> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >>
> >> <https://github.com/lucianodato/speech-denoiser>
> >>   a lv2:Plugin;
> >>   lv2:binary <sdenoise.so> ;
> >>   rdfs:seeAlso <sdenoise.ttl> .
> >>
> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >>
> >> <https://github.com/lucianodato/speech-denoiser>
> >>   a lv2:Plugin;
> >>   lv2:binary <sdenoise.so> ;
> >>   rdfs:seeAlso <sdenoise.ttl> .
> >>
> >>
> >> What am I doing wrong?
>
> Have you read examples in lv2 documentation?
>
> There is ':' escaped with '\' fourth times.
>
> >>
> >> On Fri, May 10, 2019 at 12:51 AM Moritz Barsnick <[hidden email]>
> wrote:
> >>
> >>> On Thu, May 09, 2019 at 15:57:01 -0700, David Ing wrote:
> >>> > The command I'm using is:
> >>> >
> >>> >     ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
> >>> github.com/lucianodato/speech-denoiser $OUTPUT
> >>>
> >>> Apparently, the quoting isn't sufficient, because:
> >>>
> >>> > error: attempt to map invalid URI `https'
> >>> > [lv2 @ 0x561771d961c0] Invalid plugin URI <https>
> >>>
> >>> I.e. the ":" in the URI ist still considered a filter option separator.
> >>>
> >>> Could you please try:
> >>> $ ffmpeg -i $INPUT -af "lv2=plugin='
> >>> https://github.com/lucianodato/speech-denoiser'" $OUTPUT
> >>>
> >>> > I tried to follow the documentation but it was a bit vague.
> >>> >     https://ffmpeg.org/ffmpeg-filters.html#lv2
> >>>
> >>> It's an issue with quoting, not about lv2.
> >>>
> >>> There are several chapters in the docs, but they might confuse you even
> >>> more:
> >>> http://ffmpeg.org/ffmpeg-utils.html#quoting_005fand_005fescaping
> >>> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping
> >>>
> >>> >     https://github.com/lucianodato/speech-denoiser/issues/16
> >>>
> >>> Your "docker run" will introduce another level of (shell) escaping into
> >>> this hell. :-(
> >>>
> >>> HTH,
> >>> Moritz
> >>> _______________________________________________
> >>> ffmpeg-user mailing list
> >>> [hidden email]
> >>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >>>
> >>> To unsubscribe, visit link above, or email
> >>> [hidden email] with subject "unsubscribe".
> >>
> >>
> > _______________________________________________
> > ffmpeg-user mailing list
> > [hidden email]
> > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >
> > To unsubscribe, visit link above, or email
> > [hidden email] with subject "unsubscribe".
> _______________________________________________
> ffmpeg-user mailing list
> [hidden email]
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> [hidden email] with subject "unsubscribe".
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Re: Help with syntax using lv2 filter plugin

Paul B Mahol
On 5/10/19, David Ing <[hidden email]> wrote:

> Yes Paul, if you see earlier in this email thread, I tried to follow the
> documentation (https://ffmpeg.org/ffmpeg-filters.html#lv2) but it was a bit
> vague.  It suggested (vaguely) that I should use the following command,
> but it failed because the colon was not escaped by the filtergraph escaping
> layer (http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping):
>
> ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
> github.com/lucianodato/speech-denoiser $OUTPUT
>
>
> Now my most recent attempt gets past this error:
>
> ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
> github.com/lucianodato/speech-denoiser' $OUTPUT
>
>
> But now I get another error:
>
> *Plugin <https://github.com/lucianodato/speech-denoiser
> <https://github.com/lucianodato/speech-denoiser>> not found*
>
>
> From that error message, it looks like I am at least passing the correct
> information to ffmpeg (across the command line), but ffmpeg is somehow
> unable to find the relevant plugin which is installed on my machine.  For
> any LV2 experts out there, here are the contents of my file:
> */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
>
> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>
> <https://github.com/lucianodato/speech-denoiser>
>   a lv2:Plugin;
>   lv2:binary <sdenoise.so> ;
>   rdfs:seeAlso <sdenoise.ttl> .
>
>
> Does anyone know what I am doing wrong?
>

Do you have lv2ls tool?

What it lists?

> On Fri, May 10, 2019 at 9:08 AM Paul B Mahol <[hidden email]> wrote:
>
>> On 5/10/19, David Ing <[hidden email]> wrote:
>> > There was a slight copy-paste error in my last email.
>> >
>> > Here are the contents of my file:
>> > */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
>> >
>> > @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
>> > @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>> >
>> > <https://github.com/lucianodato/speech-denoiser>
>> >   a lv2:Plugin;
>> >   lv2:binary <sdenoise.so> ;
>> >   rdfs:seeAlso <sdenoise.ttl> .
>> >
>> >
>> > What am I doing wrong?
>> >
>> > On Fri, May 10, 2019 at 8:13 AM David Ing <[hidden email]> wrote:
>> >
>> >> Moritz,
>> >>
>> >> Thank you.
>> >>
>> >> Although your suggestion did not work, you gave me enough information
>> >> to
>> >> find one that did.  The following works from a bash prompt.
>> >>
>> >> ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
>> >> github.com/lucianodato/speech-denoiser' $OUTPUT
>> >>
>> >>
>> >> Now I have a separate problem which is:  *Plugin
>> >> <https://github.com/lucianodato/speech-denoiser
>> >> <https://github.com/lucianodato/speech-denoiser>> not found*
>> >>
>> >> root@b88297120832:/data# *ffmpeg -i $INPUT -af
>> >> 'lv2=plugin=https\\://github.com/lucianodato/speech-denoiser
>> >> <http://github.com/lucianodato/speech-denoiser>' $OUTPUT*
>> >> ffmpeg version 4.1.3-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg
>> >> developers
>> >>   built with gcc 8 (Ubuntu 8.3.0-6ubuntu1)
>> >>   configuration: --prefix=/usr --extra-version=0ubuntu1
>> >> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
>> >> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
>> >> --disable-stripping --enable-avresample --disable-filter=resample
>> >> --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
>> >> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
>> >> --enable-libcdio --enable-libcodec2 --enable-libflite
>> >> --enable-libfontconfig --enable-libfreetype --enable-libfribidi
>> >> --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame
>> >> --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
>> >> --enable-libopus --enable-libpulse --enable-librsvg
>> --enable-librubberband
>> >> --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
>> >> --enable-libssh --enable-libtheora --enable-libtwolame
>> --enable-libvidstab
>> >> --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
>> >> --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq
>> >> --enable-libzvbi --enable-lv2 --enable-omx --enable-openal
>> --enable-opengl
>> >> --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
>> >> --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
>> >>   libavutil      56. 22.100 / 56. 22.100
>> >>   libavcodec     58. 35.100 / 58. 35.100
>> >>   libavformat    58. 20.100 / 58. 20.100
>> >>   libavdevice    58.  5.100 / 58.  5.100
>> >>   libavfilter     7. 40.101 /  7. 40.101
>> >>   libavresample   4.  0.  0 /  4.  0.  0
>> >>   libswscale      5.  3.100 /  5.  3.100
>> >>   libswresample   3.  3.100 /  3.  3.100
>> >>   libpostproc    55.  3.100 / 55.  3.100
>> >> Guessed Channel Layout for Input Stream #0.0 : stereo
>> >> Input #0, wav, from '/data/sample_car.wav':
>> >>   Metadata:
>> >>     encoder         : Lavf58.12.100
>> >>   Duration: 00:01:05.02, bitrate: 1411 kb/s
>> >>     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
>> >> stereo, s16, 1411 kb/s
>> >> File '/data/sample_car.sdenoise.wav' already exists. Overwrite ? [y/N]
>> >> y
>> >> Stream mapping:
>> >>   Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
>> >> Press [q] to stop, [?] for help
>> >> [lv2 @ 0x55613f407300] *Plugin
>> >> <**https://github.com/lucianodato/speech-denoiser
>> >> <https://github.com/lucianodato/speech-denoiser>**> not found*
>> >> [AVFilterGraph @ 0x55613f3e7140] Error initializing filter 'lv2' with
>> args
>> >> 'plugin=https\://github.com/lucianodato/speech-denoiser'
>> >> Error reinitializing filters!
>> >> Failed to inject frame into filter network: Invalid argument
>> >> Error while processing the decoded data for stream #0:0
>> >> Conversion failed!
>> >>
>> >>
>> >> Now I don't know anything about LADSPA or LV2, but here are the
>> >> contents
>> >> of my file:  */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
>> >>
>> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
>> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>> >>
>> >> <https://github.com/lucianodato/speech-denoiser>
>> >>   a lv2:Plugin;
>> >>   lv2:binary <sdenoise.so> ;
>> >>   rdfs:seeAlso <sdenoise.ttl> .
>> >>
>> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
>> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>> >>
>> >> <https://github.com/lucianodato/speech-denoiser>
>> >>   a lv2:Plugin;
>> >>   lv2:binary <sdenoise.so> ;
>> >>   rdfs:seeAlso <sdenoise.ttl> .
>> >>
>> >>
>> >> What am I doing wrong?
>>
>> Have you read examples in lv2 documentation?
>>
>> There is ':' escaped with '\' fourth times.
>>
>> >>
>> >> On Fri, May 10, 2019 at 12:51 AM Moritz Barsnick <[hidden email]>
>> wrote:
>> >>
>> >>> On Thu, May 09, 2019 at 15:57:01 -0700, David Ing wrote:
>> >>> > The command I'm using is:
>> >>> >
>> >>> >     ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
>> >>> github.com/lucianodato/speech-denoiser $OUTPUT
>> >>>
>> >>> Apparently, the quoting isn't sufficient, because:
>> >>>
>> >>> > error: attempt to map invalid URI `https'
>> >>> > [lv2 @ 0x561771d961c0] Invalid plugin URI <https>
>> >>>
>> >>> I.e. the ":" in the URI ist still considered a filter option
>> >>> separator.
>> >>>
>> >>> Could you please try:
>> >>> $ ffmpeg -i $INPUT -af "lv2=plugin='
>> >>> https://github.com/lucianodato/speech-denoiser'" $OUTPUT
>> >>>
>> >>> > I tried to follow the documentation but it was a bit vague.
>> >>> >     https://ffmpeg.org/ffmpeg-filters.html#lv2
>> >>>
>> >>> It's an issue with quoting, not about lv2.
>> >>>
>> >>> There are several chapters in the docs, but they might confuse you
>> >>> even
>> >>> more:
>> >>> http://ffmpeg.org/ffmpeg-utils.html#quoting_005fand_005fescaping
>> >>> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping
>> >>>
>> >>> >     https://github.com/lucianodato/speech-denoiser/issues/16
>> >>>
>> >>> Your "docker run" will introduce another level of (shell) escaping
>> >>> into
>> >>> this hell. :-(
>> >>>
>> >>> HTH,
>> >>> Moritz
>> >>> _______________________________________________
>> >>> ffmpeg-user mailing list
>> >>> [hidden email]
>> >>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>> >>>
>> >>> To unsubscribe, visit link above, or email
>> >>> [hidden email] with subject "unsubscribe".
>> >>
>> >>
>> > _______________________________________________
>> > ffmpeg-user mailing list
>> > [hidden email]
>> > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>> >
>> > To unsubscribe, visit link above, or email
>> > [hidden email] with subject "unsubscribe".
>> _______________________________________________
>> ffmpeg-user mailing list
>> [hidden email]
>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>>
>> To unsubscribe, visit link above, or email
>> [hidden email] with subject "unsubscribe".
> _______________________________________________
> ffmpeg-user mailing list
> [hidden email]
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> [hidden email] with subject "unsubscribe".
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Re: Help with syntax using lv2 filter plugin

David Ing
I did not have the "lv2ls" command, so I installed it like this:

sudo apt-get install --yes lilv-utils


Unfortunately when I execute "lv2ls", it shows that I have no plugins
installed (i.e. it does not return anything).

But this is where I can see the plugin files on my system:

root@22f908a93c0b:/data# *ll /usr/local/lib/lv2/sdenoise.lv2*
total 160
drwxr-xr-x 2 root root   4096 May  9 21:55 ./
drwxr-xr-x 3 root root   4096 May  9 21:55 ../
-rwxr-xr-x 1 root root    229 May  9 21:55 manifest.ttl*
-rwxr-xr-x 1 root root 147216 May  9 21:55 sdenoise.so*
-rwxr-xr-x 1 root root   1991 May  9 21:55 sdenoise.ttl*


And you already know what's in that *manifest.ttl* file (from my prior
email).

I must be doing something wrong but I don't know what it is.

On Fri, May 10, 2019 at 11:06 AM Paul B Mahol <[hidden email]> wrote:

> On 5/10/19, David Ing <[hidden email]> wrote:
> > Yes Paul, if you see earlier in this email thread, I tried to follow the
> > documentation (https://ffmpeg.org/ffmpeg-filters.html#lv2) but it was a
> bit
> > vague.  It suggested (vaguely) that I should use the following command,
> > but it failed because the colon was not escaped by the filtergraph
> escaping
> > layer (
> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping):
> >
> > ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
> > github.com/lucianodato/speech-denoiser $OUTPUT
> >
> >
> > Now my most recent attempt gets past this error:
> >
> > ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
> > github.com/lucianodato/speech-denoiser' $OUTPUT
> >
> >
> > But now I get another error:
> >
> > *Plugin <https://github.com/lucianodato/speech-denoiser
> > <https://github.com/lucianodato/speech-denoiser>> not found*
> >
> >
> > From that error message, it looks like I am at least passing the correct
> > information to ffmpeg (across the command line), but ffmpeg is somehow
> > unable to find the relevant plugin which is installed on my machine.  For
> > any LV2 experts out there, here are the contents of my file:
> > */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
> >
> > @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> > @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >
> > <https://github.com/lucianodato/speech-denoiser>
> >   a lv2:Plugin;
> >   lv2:binary <sdenoise.so> ;
> >   rdfs:seeAlso <sdenoise.ttl> .
> >
> >
> > Does anyone know what I am doing wrong?
> >
>
> Do you have lv2ls tool?
>
> What it lists?
>
> > On Fri, May 10, 2019 at 9:08 AM Paul B Mahol <[hidden email]> wrote:
> >
> >> On 5/10/19, David Ing <[hidden email]> wrote:
> >> > There was a slight copy-paste error in my last email.
> >> >
> >> > Here are the contents of my file:
> >> > */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
> >> >
> >> > @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> >> > @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >> >
> >> > <https://github.com/lucianodato/speech-denoiser>
> >> >   a lv2:Plugin;
> >> >   lv2:binary <sdenoise.so> ;
> >> >   rdfs:seeAlso <sdenoise.ttl> .
> >> >
> >> >
> >> > What am I doing wrong?
> >> >
> >> > On Fri, May 10, 2019 at 8:13 AM David Ing <[hidden email]> wrote:
> >> >
> >> >> Moritz,
> >> >>
> >> >> Thank you.
> >> >>
> >> >> Although your suggestion did not work, you gave me enough information
> >> >> to
> >> >> find one that did.  The following works from a bash prompt.
> >> >>
> >> >> ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
> >> >> github.com/lucianodato/speech-denoiser' $OUTPUT
> >> >>
> >> >>
> >> >> Now I have a separate problem which is:  *Plugin
> >> >> <https://github.com/lucianodato/speech-denoiser
> >> >> <https://github.com/lucianodato/speech-denoiser>> not found*
> >> >>
> >> >> root@b88297120832:/data# *ffmpeg -i $INPUT -af
> >> >> 'lv2=plugin=https\\://github.com/lucianodato/speech-denoiser
> >> >> <http://github.com/lucianodato/speech-denoiser>' $OUTPUT*
> >> >> ffmpeg version 4.1.3-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg
> >> >> developers
> >> >>   built with gcc 8 (Ubuntu 8.3.0-6ubuntu1)
> >> >>   configuration: --prefix=/usr --extra-version=0ubuntu1
> >> >> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
> >> >> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
> >> >> --disable-stripping --enable-avresample --disable-filter=resample
> >> >> --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
> >> >> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
> >> >> --enable-libcdio --enable-libcodec2 --enable-libflite
> >> >> --enable-libfontconfig --enable-libfreetype --enable-libfribidi
> >> >> --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame
> >> >> --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
> >> >> --enable-libopus --enable-libpulse --enable-librsvg
> >> --enable-librubberband
> >> >> --enable-libshine --enable-libsnappy --enable-libsoxr
> --enable-libspeex
> >> >> --enable-libssh --enable-libtheora --enable-libtwolame
> >> --enable-libvidstab
> >> >> --enable-libvorbis --enable-libvpx --enable-libwavpack
> --enable-libwebp
> >> >> --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq
> >> >> --enable-libzvbi --enable-lv2 --enable-omx --enable-openal
> >> --enable-opengl
> >> >> --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883
> >> >> --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
> >> >>   libavutil      56. 22.100 / 56. 22.100
> >> >>   libavcodec     58. 35.100 / 58. 35.100
> >> >>   libavformat    58. 20.100 / 58. 20.100
> >> >>   libavdevice    58.  5.100 / 58.  5.100
> >> >>   libavfilter     7. 40.101 /  7. 40.101
> >> >>   libavresample   4.  0.  0 /  4.  0.  0
> >> >>   libswscale      5.  3.100 /  5.  3.100
> >> >>   libswresample   3.  3.100 /  3.  3.100
> >> >>   libpostproc    55.  3.100 / 55.  3.100
> >> >> Guessed Channel Layout for Input Stream #0.0 : stereo
> >> >> Input #0, wav, from '/data/sample_car.wav':
> >> >>   Metadata:
> >> >>     encoder         : Lavf58.12.100
> >> >>   Duration: 00:01:05.02, bitrate: 1411 kb/s
> >> >>     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
> >> >> stereo, s16, 1411 kb/s
> >> >> File '/data/sample_car.sdenoise.wav' already exists. Overwrite ?
> [y/N]
> >> >> y
> >> >> Stream mapping:
> >> >>   Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
> >> >> Press [q] to stop, [?] for help
> >> >> [lv2 @ 0x55613f407300] *Plugin
> >> >> <**https://github.com/lucianodato/speech-denoiser
> >> >> <https://github.com/lucianodato/speech-denoiser>**> not found*
> >> >> [AVFilterGraph @ 0x55613f3e7140] Error initializing filter 'lv2' with
> >> args
> >> >> 'plugin=https\://github.com/lucianodato/speech-denoiser'
> >> >> Error reinitializing filters!
> >> >> Failed to inject frame into filter network: Invalid argument
> >> >> Error while processing the decoded data for stream #0:0
> >> >> Conversion failed!
> >> >>
> >> >>
> >> >> Now I don't know anything about LADSPA or LV2, but here are the
> >> >> contents
> >> >> of my file:  */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
> >> >>
> >> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> >> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >> >>
> >> >> <https://github.com/lucianodato/speech-denoiser>
> >> >>   a lv2:Plugin;
> >> >>   lv2:binary <sdenoise.so> ;
> >> >>   rdfs:seeAlso <sdenoise.ttl> .
> >> >>
> >> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> >> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >> >>
> >> >> <https://github.com/lucianodato/speech-denoiser>
> >> >>   a lv2:Plugin;
> >> >>   lv2:binary <sdenoise.so> ;
> >> >>   rdfs:seeAlso <sdenoise.ttl> .
> >> >>
> >> >>
> >> >> What am I doing wrong?
> >>
> >> Have you read examples in lv2 documentation?
> >>
> >> There is ':' escaped with '\' fourth times.
> >>
> >> >>
> >> >> On Fri, May 10, 2019 at 12:51 AM Moritz Barsnick <[hidden email]>
> >> wrote:
> >> >>
> >> >>> On Thu, May 09, 2019 at 15:57:01 -0700, David Ing wrote:
> >> >>> > The command I'm using is:
> >> >>> >
> >> >>> >     ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
> >> >>> github.com/lucianodato/speech-denoiser $OUTPUT
> >> >>>
> >> >>> Apparently, the quoting isn't sufficient, because:
> >> >>>
> >> >>> > error: attempt to map invalid URI `https'
> >> >>> > [lv2 @ 0x561771d961c0] Invalid plugin URI <https>
> >> >>>
> >> >>> I.e. the ":" in the URI ist still considered a filter option
> >> >>> separator.
> >> >>>
> >> >>> Could you please try:
> >> >>> $ ffmpeg -i $INPUT -af "lv2=plugin='
> >> >>> https://github.com/lucianodato/speech-denoiser'" $OUTPUT
> >> >>>
> >> >>> > I tried to follow the documentation but it was a bit vague.
> >> >>> >     https://ffmpeg.org/ffmpeg-filters.html#lv2
> >> >>>
> >> >>> It's an issue with quoting, not about lv2.
> >> >>>
> >> >>> There are several chapters in the docs, but they might confuse you
> >> >>> even
> >> >>> more:
> >> >>> http://ffmpeg.org/ffmpeg-utils.html#quoting_005fand_005fescaping
> >> >>> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping
> >> >>>
> >> >>> >     https://github.com/lucianodato/speech-denoiser/issues/16
> >> >>>
> >> >>> Your "docker run" will introduce another level of (shell) escaping
> >> >>> into
> >> >>> this hell. :-(
> >> >>>
> >> >>> HTH,
> >> >>> Moritz
> >> >>> _______________________________________________
> >> >>> ffmpeg-user mailing list
> >> >>> [hidden email]
> >> >>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >> >>>
> >> >>> To unsubscribe, visit link above, or email
> >> >>> [hidden email] with subject "unsubscribe".
> >> >>
> >> >>
> >> > _______________________________________________
> >> > ffmpeg-user mailing list
> >> > [hidden email]
> >> > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >> >
> >> > To unsubscribe, visit link above, or email
> >> > [hidden email] with subject "unsubscribe".
> >> _______________________________________________
> >> ffmpeg-user mailing list
> >> [hidden email]
> >> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >>
> >> To unsubscribe, visit link above, or email
> >> [hidden email] with subject "unsubscribe".
> > _______________________________________________
> > ffmpeg-user mailing list
> > [hidden email]
> > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >
> > To unsubscribe, visit link above, or email
> > [hidden email] with subject "unsubscribe".
> _______________________________________________
> ffmpeg-user mailing list
> [hidden email]
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> [hidden email] with subject "unsubscribe".
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Re: Help with syntax using lv2 filter plugin

Paul B Mahol
On 5/10/19, David Ing <[hidden email]> wrote:

> I did not have the "lv2ls" command, so I installed it like this:
>
> sudo apt-get install --yes lilv-utils
>
>
> Unfortunately when I execute "lv2ls", it shows that I have no plugins
> installed (i.e. it does not return anything).
>
> But this is where I can see the plugin files on my system:
>
> root@22f908a93c0b:/data# *ll /usr/local/lib/lv2/sdenoise.lv2*
> total 160
> drwxr-xr-x 2 root root   4096 May  9 21:55 ./
> drwxr-xr-x 3 root root   4096 May  9 21:55 ../
> -rwxr-xr-x 1 root root    229 May  9 21:55 manifest.ttl*
> -rwxr-xr-x 1 root root 147216 May  9 21:55 sdenoise.so*
> -rwxr-xr-x 1 root root   1991 May  9 21:55 sdenoise.ttl*
>
>
> And you already know what's in that *manifest.ttl* file (from my prior
> email).
>
> I must be doing something wrong but I don't know what it is.

Your system is borked, reinstall it.

Seriously if lv2ls does not list plugins then there are not available to lv2.

If you hadn't knew there is ladspa plugins with exactly same
functionality if not better.
https://github.com/werman/noise-suppression-for-voice

>
> On Fri, May 10, 2019 at 11:06 AM Paul B Mahol <[hidden email]> wrote:
>
>> On 5/10/19, David Ing <[hidden email]> wrote:
>> > Yes Paul, if you see earlier in this email thread, I tried to follow the
>> > documentation (https://ffmpeg.org/ffmpeg-filters.html#lv2) but it was a
>> bit
>> > vague.  It suggested (vaguely) that I should use the following command,
>> > but it failed because the colon was not escaped by the filtergraph
>> escaping
>> > layer (
>> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping):
>> >
>> > ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
>> > github.com/lucianodato/speech-denoiser $OUTPUT
>> >
>> >
>> > Now my most recent attempt gets past this error:
>> >
>> > ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
>> > github.com/lucianodato/speech-denoiser' $OUTPUT
>> >
>> >
>> > But now I get another error:
>> >
>> > *Plugin <https://github.com/lucianodato/speech-denoiser
>> > <https://github.com/lucianodato/speech-denoiser>> not found*
>> >
>> >
>> > From that error message, it looks like I am at least passing the correct
>> > information to ffmpeg (across the command line), but ffmpeg is somehow
>> > unable to find the relevant plugin which is installed on my machine.
>> > For
>> > any LV2 experts out there, here are the contents of my file:
>> > */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
>> >
>> > @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
>> > @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>> >
>> > <https://github.com/lucianodato/speech-denoiser>
>> >   a lv2:Plugin;
>> >   lv2:binary <sdenoise.so> ;
>> >   rdfs:seeAlso <sdenoise.ttl> .
>> >
>> >
>> > Does anyone know what I am doing wrong?
>> >
>>
>> Do you have lv2ls tool?
>>
>> What it lists?
>>
>> > On Fri, May 10, 2019 at 9:08 AM Paul B Mahol <[hidden email]> wrote:
>> >
>> >> On 5/10/19, David Ing <[hidden email]> wrote:
>> >> > There was a slight copy-paste error in my last email.
>> >> >
>> >> > Here are the contents of my file:
>> >> > */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
>> >> >
>> >> > @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
>> >> > @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>> >> >
>> >> > <https://github.com/lucianodato/speech-denoiser>
>> >> >   a lv2:Plugin;
>> >> >   lv2:binary <sdenoise.so> ;
>> >> >   rdfs:seeAlso <sdenoise.ttl> .
>> >> >
>> >> >
>> >> > What am I doing wrong?
>> >> >
>> >> > On Fri, May 10, 2019 at 8:13 AM David Ing <[hidden email]> wrote:
>> >> >
>> >> >> Moritz,
>> >> >>
>> >> >> Thank you.
>> >> >>
>> >> >> Although your suggestion did not work, you gave me enough
>> >> >> information
>> >> >> to
>> >> >> find one that did.  The following works from a bash prompt.
>> >> >>
>> >> >> ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
>> >> >> github.com/lucianodato/speech-denoiser' $OUTPUT
>> >> >>
>> >> >>
>> >> >> Now I have a separate problem which is:  *Plugin
>> >> >> <https://github.com/lucianodato/speech-denoiser
>> >> >> <https://github.com/lucianodato/speech-denoiser>> not found*
>> >> >>
>> >> >> root@b88297120832:/data# *ffmpeg -i $INPUT -af
>> >> >> 'lv2=plugin=https\\://github.com/lucianodato/speech-denoiser
>> >> >> <http://github.com/lucianodato/speech-denoiser>' $OUTPUT*
>> >> >> ffmpeg version 4.1.3-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg
>> >> >> developers
>> >> >>   built with gcc 8 (Ubuntu 8.3.0-6ubuntu1)
>> >> >>   configuration: --prefix=/usr --extra-version=0ubuntu1
>> >> >> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
>> >> >> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
>> >> >> --disable-stripping --enable-avresample --disable-filter=resample
>> >> >> --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
>> >> >> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
>> >> >> --enable-libcdio --enable-libcodec2 --enable-libflite
>> >> >> --enable-libfontconfig --enable-libfreetype --enable-libfribidi
>> >> >> --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame
>> >> >> --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
>> >> >> --enable-libopus --enable-libpulse --enable-librsvg
>> >> --enable-librubberband
>> >> >> --enable-libshine --enable-libsnappy --enable-libsoxr
>> --enable-libspeex
>> >> >> --enable-libssh --enable-libtheora --enable-libtwolame
>> >> --enable-libvidstab
>> >> >> --enable-libvorbis --enable-libvpx --enable-libwavpack
>> --enable-libwebp
>> >> >> --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq
>> >> >> --enable-libzvbi --enable-lv2 --enable-omx --enable-openal
>> >> --enable-opengl
>> >> >> --enable-sdl2 --enable-libdc1394 --enable-libdrm
>> >> >> --enable-libiec61883
>> >> >> --enable-chromaprint --enable-frei0r --enable-libx264
>> >> >> --enable-shared
>> >> >>   libavutil      56. 22.100 / 56. 22.100
>> >> >>   libavcodec     58. 35.100 / 58. 35.100
>> >> >>   libavformat    58. 20.100 / 58. 20.100
>> >> >>   libavdevice    58.  5.100 / 58.  5.100
>> >> >>   libavfilter     7. 40.101 /  7. 40.101
>> >> >>   libavresample   4.  0.  0 /  4.  0.  0
>> >> >>   libswscale      5.  3.100 /  5.  3.100
>> >> >>   libswresample   3.  3.100 /  3.  3.100
>> >> >>   libpostproc    55.  3.100 / 55.  3.100
>> >> >> Guessed Channel Layout for Input Stream #0.0 : stereo
>> >> >> Input #0, wav, from '/data/sample_car.wav':
>> >> >>   Metadata:
>> >> >>     encoder         : Lavf58.12.100
>> >> >>   Duration: 00:01:05.02, bitrate: 1411 kb/s
>> >> >>     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
>> >> >> stereo, s16, 1411 kb/s
>> >> >> File '/data/sample_car.sdenoise.wav' already exists. Overwrite ?
>> [y/N]
>> >> >> y
>> >> >> Stream mapping:
>> >> >>   Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
>> >> >> Press [q] to stop, [?] for help
>> >> >> [lv2 @ 0x55613f407300] *Plugin
>> >> >> <**https://github.com/lucianodato/speech-denoiser
>> >> >> <https://github.com/lucianodato/speech-denoiser>**> not found*
>> >> >> [AVFilterGraph @ 0x55613f3e7140] Error initializing filter 'lv2'
>> >> >> with
>> >> args
>> >> >> 'plugin=https\://github.com/lucianodato/speech-denoiser'
>> >> >> Error reinitializing filters!
>> >> >> Failed to inject frame into filter network: Invalid argument
>> >> >> Error while processing the decoded data for stream #0:0
>> >> >> Conversion failed!
>> >> >>
>> >> >>
>> >> >> Now I don't know anything about LADSPA or LV2, but here are the
>> >> >> contents
>> >> >> of my file:  */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
>> >> >>
>> >> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
>> >> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>> >> >>
>> >> >> <https://github.com/lucianodato/speech-denoiser>
>> >> >>   a lv2:Plugin;
>> >> >>   lv2:binary <sdenoise.so> ;
>> >> >>   rdfs:seeAlso <sdenoise.ttl> .
>> >> >>
>> >> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
>> >> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
>> >> >>
>> >> >> <https://github.com/lucianodato/speech-denoiser>
>> >> >>   a lv2:Plugin;
>> >> >>   lv2:binary <sdenoise.so> ;
>> >> >>   rdfs:seeAlso <sdenoise.ttl> .
>> >> >>
>> >> >>
>> >> >> What am I doing wrong?
>> >>
>> >> Have you read examples in lv2 documentation?
>> >>
>> >> There is ':' escaped with '\' fourth times.
>> >>
>> >> >>
>> >> >> On Fri, May 10, 2019 at 12:51 AM Moritz Barsnick <[hidden email]>
>> >> wrote:
>> >> >>
>> >> >>> On Thu, May 09, 2019 at 15:57:01 -0700, David Ing wrote:
>> >> >>> > The command I'm using is:
>> >> >>> >
>> >> >>> >     ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
>> >> >>> github.com/lucianodato/speech-denoiser $OUTPUT
>> >> >>>
>> >> >>> Apparently, the quoting isn't sufficient, because:
>> >> >>>
>> >> >>> > error: attempt to map invalid URI `https'
>> >> >>> > [lv2 @ 0x561771d961c0] Invalid plugin URI <https>
>> >> >>>
>> >> >>> I.e. the ":" in the URI ist still considered a filter option
>> >> >>> separator.
>> >> >>>
>> >> >>> Could you please try:
>> >> >>> $ ffmpeg -i $INPUT -af "lv2=plugin='
>> >> >>> https://github.com/lucianodato/speech-denoiser'" $OUTPUT
>> >> >>>
>> >> >>> > I tried to follow the documentation but it was a bit vague.
>> >> >>> >     https://ffmpeg.org/ffmpeg-filters.html#lv2
>> >> >>>
>> >> >>> It's an issue with quoting, not about lv2.
>> >> >>>
>> >> >>> There are several chapters in the docs, but they might confuse you
>> >> >>> even
>> >> >>> more:
>> >> >>> http://ffmpeg.org/ffmpeg-utils.html#quoting_005fand_005fescaping
>> >> >>> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping
>> >> >>>
>> >> >>> >     https://github.com/lucianodato/speech-denoiser/issues/16
>> >> >>>
>> >> >>> Your "docker run" will introduce another level of (shell) escaping
>> >> >>> into
>> >> >>> this hell. :-(
>> >> >>>
>> >> >>> HTH,
>> >> >>> Moritz
>> >> >>> _______________________________________________
>> >> >>> ffmpeg-user mailing list
>> >> >>> [hidden email]
>> >> >>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>> >> >>>
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>> >> >>> [hidden email] with subject "unsubscribe".
>> >> >>
>> >> >>
>> >> > _______________________________________________
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Re: Help with syntax using lv2 filter plugin

David Ing
Paul,

I had trouble with that plugin also.  I wonder if you could take a look at
my issue and give me some of your thoughts:
https://github.com/werman/noise-suppression-for-voice/issues/11

Thanks.

On Fri, May 10, 2019 at 12:10 PM Paul B Mahol <[hidden email]> wrote:

> On 5/10/19, David Ing <[hidden email]> wrote:
> > I did not have the "lv2ls" command, so I installed it like this:
> >
> > sudo apt-get install --yes lilv-utils
> >
> >
> > Unfortunately when I execute "lv2ls", it shows that I have no plugins
> > installed (i.e. it does not return anything).
> >
> > But this is where I can see the plugin files on my system:
> >
> > root@22f908a93c0b:/data# *ll /usr/local/lib/lv2/sdenoise.lv2*
> > total 160
> > drwxr-xr-x 2 root root   4096 May  9 21:55 ./
> > drwxr-xr-x 3 root root   4096 May  9 21:55 ../
> > -rwxr-xr-x 1 root root    229 May  9 21:55 manifest.ttl*
> > -rwxr-xr-x 1 root root 147216 May  9 21:55 sdenoise.so*
> > -rwxr-xr-x 1 root root   1991 May  9 21:55 sdenoise.ttl*
> >
> >
> > And you already know what's in that *manifest.ttl* file (from my prior
> > email).
> >
> > I must be doing something wrong but I don't know what it is.
>
> Your system is borked, reinstall it.
>
> Seriously if lv2ls does not list plugins then there are not available to
> lv2.
>
> If you hadn't knew there is ladspa plugins with exactly same
> functionality if not better.
> https://github.com/werman/noise-suppression-for-voice
>
> >
> > On Fri, May 10, 2019 at 11:06 AM Paul B Mahol <[hidden email]> wrote:
> >
> >> On 5/10/19, David Ing <[hidden email]> wrote:
> >> > Yes Paul, if you see earlier in this email thread, I tried to follow
> the
> >> > documentation (https://ffmpeg.org/ffmpeg-filters.html#lv2) but it
> was a
> >> bit
> >> > vague.  It suggested (vaguely) that I should use the following
> command,
> >> > but it failed because the colon was not escaped by the filtergraph
> >> escaping
> >> > layer (
> >> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping):
> >> >
> >> > ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
> >> > github.com/lucianodato/speech-denoiser $OUTPUT
> >> >
> >> >
> >> > Now my most recent attempt gets past this error:
> >> >
> >> > ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
> >> > github.com/lucianodato/speech-denoiser' $OUTPUT
> >> >
> >> >
> >> > But now I get another error:
> >> >
> >> > *Plugin <https://github.com/lucianodato/speech-denoiser
> >> > <https://github.com/lucianodato/speech-denoiser>> not found*
> >> >
> >> >
> >> > From that error message, it looks like I am at least passing the
> correct
> >> > information to ffmpeg (across the command line), but ffmpeg is somehow
> >> > unable to find the relevant plugin which is installed on my machine.
> >> > For
> >> > any LV2 experts out there, here are the contents of my file:
> >> > */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
> >> >
> >> > @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> >> > @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >> >
> >> > <https://github.com/lucianodato/speech-denoiser>
> >> >   a lv2:Plugin;
> >> >   lv2:binary <sdenoise.so> ;
> >> >   rdfs:seeAlso <sdenoise.ttl> .
> >> >
> >> >
> >> > Does anyone know what I am doing wrong?
> >> >
> >>
> >> Do you have lv2ls tool?
> >>
> >> What it lists?
> >>
> >> > On Fri, May 10, 2019 at 9:08 AM Paul B Mahol <[hidden email]>
> wrote:
> >> >
> >> >> On 5/10/19, David Ing <[hidden email]> wrote:
> >> >> > There was a slight copy-paste error in my last email.
> >> >> >
> >> >> > Here are the contents of my file:
> >> >> > */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
> >> >> >
> >> >> > @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> >> >> > @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >> >> >
> >> >> > <https://github.com/lucianodato/speech-denoiser>
> >> >> >   a lv2:Plugin;
> >> >> >   lv2:binary <sdenoise.so> ;
> >> >> >   rdfs:seeAlso <sdenoise.ttl> .
> >> >> >
> >> >> >
> >> >> > What am I doing wrong?
> >> >> >
> >> >> > On Fri, May 10, 2019 at 8:13 AM David Ing <[hidden email]>
> wrote:
> >> >> >
> >> >> >> Moritz,
> >> >> >>
> >> >> >> Thank you.
> >> >> >>
> >> >> >> Although your suggestion did not work, you gave me enough
> >> >> >> information
> >> >> >> to
> >> >> >> find one that did.  The following works from a bash prompt.
> >> >> >>
> >> >> >> ffmpeg -i $INPUT -af 'lv2=plugin=https\\://
> >> >> >> github.com/lucianodato/speech-denoiser' $OUTPUT
> >> >> >>
> >> >> >>
> >> >> >> Now I have a separate problem which is:  *Plugin
> >> >> >> <https://github.com/lucianodato/speech-denoiser
> >> >> >> <https://github.com/lucianodato/speech-denoiser>> not found*
> >> >> >>
> >> >> >> root@b88297120832:/data# *ffmpeg -i $INPUT -af
> >> >> >> 'lv2=plugin=https\\://github.com/lucianodato/speech-denoiser
> >> >> >> <http://github.com/lucianodato/speech-denoiser>' $OUTPUT*
> >> >> >> ffmpeg version 4.1.3-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg
> >> >> >> developers
> >> >> >>   built with gcc 8 (Ubuntu 8.3.0-6ubuntu1)
> >> >> >>   configuration: --prefix=/usr --extra-version=0ubuntu1
> >> >> >> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
> >> >> >> --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl
> >> >> >> --disable-stripping --enable-avresample --disable-filter=resample
> >> >> >> --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom
> >> >> >> --enable-libass --enable-libbluray --enable-libbs2b
> --enable-libcaca
> >> >> >> --enable-libcdio --enable-libcodec2 --enable-libflite
> >> >> >> --enable-libfontconfig --enable-libfreetype --enable-libfribidi
> >> >> >> --enable-libgme --enable-libgsm --enable-libjack
> --enable-libmp3lame
> >> >> >> --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
> >> >> >> --enable-libopus --enable-libpulse --enable-librsvg
> >> >> --enable-librubberband
> >> >> >> --enable-libshine --enable-libsnappy --enable-libsoxr
> >> --enable-libspeex
> >> >> >> --enable-libssh --enable-libtheora --enable-libtwolame
> >> >> --enable-libvidstab
> >> >> >> --enable-libvorbis --enable-libvpx --enable-libwavpack
> >> --enable-libwebp
> >> >> >> --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq
> >> >> >> --enable-libzvbi --enable-lv2 --enable-omx --enable-openal
> >> >> --enable-opengl
> >> >> >> --enable-sdl2 --enable-libdc1394 --enable-libdrm
> >> >> >> --enable-libiec61883
> >> >> >> --enable-chromaprint --enable-frei0r --enable-libx264
> >> >> >> --enable-shared
> >> >> >>   libavutil      56. 22.100 / 56. 22.100
> >> >> >>   libavcodec     58. 35.100 / 58. 35.100
> >> >> >>   libavformat    58. 20.100 / 58. 20.100
> >> >> >>   libavdevice    58.  5.100 / 58.  5.100
> >> >> >>   libavfilter     7. 40.101 /  7. 40.101
> >> >> >>   libavresample   4.  0.  0 /  4.  0.  0
> >> >> >>   libswscale      5.  3.100 /  5.  3.100
> >> >> >>   libswresample   3.  3.100 /  3.  3.100
> >> >> >>   libpostproc    55.  3.100 / 55.  3.100
> >> >> >> Guessed Channel Layout for Input Stream #0.0 : stereo
> >> >> >> Input #0, wav, from '/data/sample_car.wav':
> >> >> >>   Metadata:
> >> >> >>     encoder         : Lavf58.12.100
> >> >> >>   Duration: 00:01:05.02, bitrate: 1411 kb/s
> >> >> >>     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100
> Hz,
> >> >> >> stereo, s16, 1411 kb/s
> >> >> >> File '/data/sample_car.sdenoise.wav' already exists. Overwrite ?
> >> [y/N]
> >> >> >> y
> >> >> >> Stream mapping:
> >> >> >>   Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
> >> >> >> Press [q] to stop, [?] for help
> >> >> >> [lv2 @ 0x55613f407300] *Plugin
> >> >> >> <**https://github.com/lucianodato/speech-denoiser
> >> >> >> <https://github.com/lucianodato/speech-denoiser>**> not found*
> >> >> >> [AVFilterGraph @ 0x55613f3e7140] Error initializing filter 'lv2'
> >> >> >> with
> >> >> args
> >> >> >> 'plugin=https\://github.com/lucianodato/speech-denoiser'
> >> >> >> Error reinitializing filters!
> >> >> >> Failed to inject frame into filter network: Invalid argument
> >> >> >> Error while processing the decoded data for stream #0:0
> >> >> >> Conversion failed!
> >> >> >>
> >> >> >>
> >> >> >> Now I don't know anything about LADSPA or LV2, but here are the
> >> >> >> contents
> >> >> >> of my file:  */usr/local/lib/lv2/sdenoise.lv2/manifest.ttl*
> >> >> >>
> >> >> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> >> >> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >> >> >>
> >> >> >> <https://github.com/lucianodato/speech-denoiser>
> >> >> >>   a lv2:Plugin;
> >> >> >>   lv2:binary <sdenoise.so> ;
> >> >> >>   rdfs:seeAlso <sdenoise.ttl> .
> >> >> >>
> >> >> >> @prefix lv2:  <http://lv2plug.in/ns/lv2core#>.
> >> >> >> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
> >> >> >>
> >> >> >> <https://github.com/lucianodato/speech-denoiser>
> >> >> >>   a lv2:Plugin;
> >> >> >>   lv2:binary <sdenoise.so> ;
> >> >> >>   rdfs:seeAlso <sdenoise.ttl> .
> >> >> >>
> >> >> >>
> >> >> >> What am I doing wrong?
> >> >>
> >> >> Have you read examples in lv2 documentation?
> >> >>
> >> >> There is ':' escaped with '\' fourth times.
> >> >>
> >> >> >>
> >> >> >> On Fri, May 10, 2019 at 12:51 AM Moritz Barsnick <
> [hidden email]>
> >> >> wrote:
> >> >> >>
> >> >> >>> On Thu, May 09, 2019 at 15:57:01 -0700, David Ing wrote:
> >> >> >>> > The command I'm using is:
> >> >> >>> >
> >> >> >>> >     ffmpeg -i $INPUT -af lv2=plugin=https\\\\://
> >> >> >>> github.com/lucianodato/speech-denoiser $OUTPUT
> >> >> >>>
> >> >> >>> Apparently, the quoting isn't sufficient, because:
> >> >> >>>
> >> >> >>> > error: attempt to map invalid URI `https'
> >> >> >>> > [lv2 @ 0x561771d961c0] Invalid plugin URI <https>
> >> >> >>>
> >> >> >>> I.e. the ":" in the URI ist still considered a filter option
> >> >> >>> separator.
> >> >> >>>
> >> >> >>> Could you please try:
> >> >> >>> $ ffmpeg -i $INPUT -af "lv2=plugin='
> >> >> >>> https://github.com/lucianodato/speech-denoiser'" $OUTPUT
> >> >> >>>
> >> >> >>> > I tried to follow the documentation but it was a bit vague.
> >> >> >>> >     https://ffmpeg.org/ffmpeg-filters.html#lv2
> >> >> >>>
> >> >> >>> It's an issue with quoting, not about lv2.
> >> >> >>>
> >> >> >>> There are several chapters in the docs, but they might confuse
> you
> >> >> >>> even
> >> >> >>> more:
> >> >> >>> http://ffmpeg.org/ffmpeg-utils.html#quoting_005fand_005fescaping
> >> >> >>>
> http://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping
> >> >> >>>
> >> >> >>> >     https://github.com/lucianodato/speech-denoiser/issues/16
> >> >> >>>
> >> >> >>> Your "docker run" will introduce another level of (shell)
> escaping
> >> >> >>> into
> >> >> >>> this hell. :-(
> >> >> >>>
> >> >> >>> HTH,
> >> >> >>> Moritz
> >> >> >>> _______________________________________________
> >> >> >>> ffmpeg-user mailing list
> >> >> >>> [hidden email]
> >> >> >>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >> >> >>>
> >> >> >>> To unsubscribe, visit link above, or email
> >> >> >>> [hidden email] with subject "unsubscribe".
> >> >> >>
> >> >> >>
> >> >> > _______________________________________________
> >> >> > ffmpeg-user mailing list
> >> >> > [hidden email]
> >> >> > https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >> >> >
> >> >> > To unsubscribe, visit link above, or email
> >> >> > [hidden email] with subject "unsubscribe".
> >> >> _______________________________________________
> >> >> ffmpeg-user mailing list
> >> >> [hidden email]
> >> >> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >> >>
> >> >> To unsubscribe, visit link above, or email
> >> >> [hidden email] with subject "unsubscribe".
> >> > _______________________________________________
> >> > ffmpeg-user mailing list
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> >> >
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