[FFmpeg-devel] [PATCH 1/5] fftools/ffmpeg_demux: also set -ch_layout avcodec option for -ch_layout CLI param

[Michael Niedermayer]

On Sat, May 18, 2024 at 06:11:12PM +0200, Marton Balint wrote:
> The code only set the channel layout of the AVFormatContext, so the user could
> not override the channel layout if the demuxer did not have such parameter.
> Let's set the specified channel layouts as codec options as well.
> 
> Fixes ticket #11016.
> 
> A regression since 639c2f00497257cb60ecaeeac1aacfa80df3be06.
> 
> Signed-off-by: Marton Balint <cus at passwd.hu>

breaks:
./ffmpeg  -f u8 -ar 8000 -ac 1 -i /dev/zero  -acodec aac -y  -t 1   -b:a 48k /tmp/aac.nut

[aac @ 0x55d4ed264800] Unsupported channel layout "1 channels"
[aac @ 0x55d4ed264800] Qavg: nan
[aost#0:0/aac @ 0x55d4ed24d800] Error while opening encoder - maybe incorrect parameters such as bit_rate, rate, width or height.
[af#0:0 @ 0x55d4ed264cc0] Error sending frames to consumers: Invalid argument
[af#0:0 @ 0x55d4ed264cc0] Task finished with error code: -22 (Invalid argument)
[af#0:0 @ 0x55d4ed264cc0] Terminating thread with return code -22 (Invalid argument)
[aost#0:0/aac @ 0x55d4ed24d800] Could not open encoder before EOF
[aost#0:0/aac @ 0x55d4ed24d800] Task finished with error code: -22 (Invalid argument)
[aost#0:0/aac @ 0x55d4ed24d800] Terminating thread with return code -22 (Invalid argument)
[out#0/nut @ 0x55d4ed254040] Nothing was written into output file, because at least one of its streams received no packets.
size=       0KiB time=N/A bitrate=N/A speed=N/A

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact
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