$ ffmpeg -activation_bytes XXXXXXXX -i part-1.aax -codec copy part-1.mp4
BUT if I try to concat multiple files using the concat demuxer it acts like the -activation_bytes option isn't supplied.
This feels like a bug?
$ cat parts.txt
file part-1.aax
file part-2.aax
$ ffmpeg -activation_bytes XXXXXXXX -f concat -i parts.txt -codec copy
parts.mp4
ffmpeg version N-94778-g787c56b9e9 Copyright (c) 2000-2019 the FFmpeg
developers
built with gcc 7 (GCC)
configuration: --enable-libfdk-aac
libavutil 56. 34.100 / 56. 34.100
libavcodec 58. 56.101 / 58. 56.101
libavformat 58. 32.104 / 58. 32.104
libavdevice 58. 9.100 / 58. 9.100
libavfilter 7. 58.102 / 7. 58.102
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2c40580] [aax] file checksum ==
21cd2a0732a1b2972e61a4e284da6720b2baba9f
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2c40580] [aax] activation_bytes option is
missing!
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x2c40580] stream 0, timescale not set
[aac @ 0x2c41fc0] channel element 2.5 is not allocated
Option activation_bytes not found.
PS. I can get around this by decoding each part individually and then
using the concat demuxer on the decoded parts, but the above still seems
like a bug to me.
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