[FFmpeg-user] libfdk_aac: Unable to initialize the encoder

[Carl Eugen Hoyos]

Am Di., 5. Mai 2020 um 07:38 Uhr schrieb Abu Abdullah <falcon.sheep at gmail.com>:

> abdulla at abdulla-VirtualBox:~/ffmpeg/ffmpeg$ ./ffmpeg -i 010.rm -c:a
> libfdk_aac -profile:a aac_he -b:a 16k -movflags +faststart -af
> aresample=async=1000 010.m4a
> ffmpeg version N-97612-g2b32068 Copyright (c) 2000-2020 the FFmpeg developers
>   built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
>   configuration: --disable-x86asm --enable-libfdk-aac
>   libavutil      56. 43.100 / 56. 43.100
>   libavcodec     58. 82.100 / 58. 82.100
>   libavformat    58. 42.102 / 58. 42.102
>   libavdevice    58.  9.103 / 58.  9.103
>   libavfilter     7. 80.100 /  7. 80.100
>   libswscale      5.  6.101 /  5.  6.101
>   libswresample   3.  6.100 /  3.  6.100
> Input #0, rm, from '010.rm':
>   Metadata:
>     title           : ������ ������
>     author          : ����� / ���� ���� ����� ��������
>     copyright       : www.islamway.com
>     comment         : ��� ���������� ���� ���� ��� ����� � ����� ��
> ��� ������ � .............. ��� .
>   Duration: 01:05:03.31, start: 0.000000, bitrate: 8 kb/s
>     Stream #0:0: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 8 kb/s
> Stream mapping:
>   Stream #0:0 -> #0:0 (sipr (native) -> aac (libfdk_aac))
> Press [q] to stop, [?] for help
> [libfdk_aac @ 0x557c9353a500] Unable to initialize the encoder: SBR
> library initialization error

You requested high-aac which implies SBR and SBR is not compatible
with 8kHz.
I don't think any change in FFmpeg is likely.

Carl Eugen