currently only -q4 mode decodes correctly
./ffmpeg -i 16_33_m_q1.rka -y out.wav
ffmpeg version N-109859-g052674f3ce Copyright (c) 2000-2023 the FFmpeg developers
built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
configuration:
libavutil 58. 1.100 / 58. 1.100
libavcodec 60. 2.100 / 60. 2.100
libavformat 60. 2.100 / 60. 2.100
libavdevice 60. 0.100 / 60. 0.100
libavfilter 9. 1.100 / 9. 1.100
libswscale 7. 0.100 / 7. 0.100
libswresample 4. 9.100 / 4. 9.100
[rka @ 0x559a48d12440] Format rka detected only with low score of 1, misdetection possible!
Guessed Channel Layout for Input Stream #0.0 : mono
Input #0, rka, from '16_33_m_q1.rka':
Duration: 00:00:10.00, start: 0.000000, bitrate: 331 kb/s
Stream #0:0: Audio: rka, 33333 Hz, 1 channels, s16p
Stream mapping:
Stream #0:0 -> #0:0 (rka (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Error while decoding stream #0:0: Invalid data found when processing input
Last message repeated 5 times
Output #0, wav, to 'out.wav':
Metadata:
ISFT : Lavf60.2.100
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 33333 Hz, mono, s16, 533 kb/s
Metadata:
encoder : Lavc60.2.100 pcm_s16le
size= 0kB time=-577014:32:22.77 bitrate=N/A speed=N/A ed=N/A
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
Conversion failed!