[FFmpeg-devel] [PATCH v2]libavfilter/asrc_atone.c : generate algorithmic music

[Ashutosh Pradhan]

On Mon, Aug 17, 2020 at 3:38 PM Nicolas George <george at nsup.org> wrote:

> Paul B Mahol (12020-08-17):
> > Yes could apply the patch and compile it and run it.
>
> Yes, requiring everybody who wants to make an opinion to do that, what
> an excellent choice compared to uploading a sample somewhere.
>
 Hi
I have provided the sample for  $ ./ffplay -f lavfi -i atone
in the folder
https://drive.google.com/drive/folders/1manne188m5T-7wWZb7ZJBLZasLmsX05i?usp=sharing

Anyway:
>
> $ ./ffmpeg_g -lavfi atone -f alsa default -
> ffmpeg version N-98748-g4add66308a Copyright (c) 2000-2020 the FFmpeg
> developers
>   built with gcc 10 (Debian 10.2.0-5)
>   configuration: --enable-shared --disable-static --enable-gpl
> --enable-libx264 --enable-libopus --enable-libass --enable-libfreetype
> --enable-opengl --enable-libfluidsynth --assert-level=2
>   libavutil      56. 58.100 / 56. 58.100
>   libavcodec     58.100.100 / 58.100.100
>   libavformat    58. 51.100 / 58. 51.100
>   libavdevice    58. 11.101 / 58. 11.101
>   libavfilter     7. 88.100 /  7. 88.100
>   libswscale      5.  8.100 /  5.  8.100
>   libswresample   3.  8.100 /  3.  8.100
>   libpostproc    55.  8.100 / 55.  8.100
> fluidsynth: warning: SDL2 not initialized, SDL2 audio driver won't be
> usable
> zsh: segmentation fault  ./ffmpeg_g -lavfi atone -f alsa default -
>
> $ ./ffmpeg_g -lavfi atone /tmp/atone.ogg
> ffmpeg version N-98748-g4add66308a Copyright (c) 2000-2020 the FFmpeg
> developers
>   built with gcc 10 (Debian 10.2.0-5)
>   configuration: --enable-shared --disable-static --enable-gpl
> --enable-libx264 --enable-libopus --enable-libass --enable-libfreetype
> --enable-opengl --enable-libfluidsynth --assert-level=2
>   libavutil      56. 58.100 / 56. 58.100
>   libavcodec     58.100.100 / 58.100.100
>   libavformat    58. 51.100 / 58. 51.100
>   libavdevice    58. 11.101 / 58. 11.101
>   libavfilter     7. 88.100 /  7. 88.100
>   libswscale      5.  8.100 /  5.  8.100
>   libswresample   3.  8.100 /  3.  8.100
>   libpostproc    55.  8.100 / 55.  8.100
> fluidsynth: warning: SDL2 not initialized, SDL2 audio driver won't be
> usable
> zsh: segmentation fault  ./ffmpeg_g -lavfi atone /tmp/atone.ogg
>
> --
>   Nicolas George
>