#10132: ffmpeg ignores -ac option
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Reporter: bolvan | Type: defect
Status: new | Priority: normal
Component: undetermined | Version: 5.1.2
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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It works fine with ffmpeg 4.3.1 on the same system
{{{
ffmpeg -f alsa -ac 1 -i cam test.wav
ffmpeg version 5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
built with gcc 11.2.0 (OpenWrt GCC 11.2.0 r19803-9a599fee93)
configuration: --enable-cross-compile --cross-prefix=x86_64-openwrt-
linux-musl- --arch=x86_64 --cpu= --target-os=linux --prefix=/usr --pkg-
config=pkg-config --enable-shared --enable-static --enable-pthreads
--enable-zlib --enable-libdrm --disable-doc --disable-debug --disable-lzma
--enable-vaapi --disable-vdpau --disable-outdevs --enable-lto --enable-
x86asm --enable-openssl --enable-nonfree --enable-hardcoded-tables
--enable-libmp3lame --enable-libx265 --enable-gpl --enable-libx264
libavutil 57. 28.100 / 57. 28.100
libavcodec 59. 37.100 / 59. 37.100
libavformat 59. 27.100 / 59. 27.100
libavdevice 59. 7.100 / 59. 7.100
libavfilter 8. 44.100 / 8. 44.100
libswscale 6. 7.100 / 6. 7.100
libswresample 4. 7.100 / 4. 7.100
libpostproc 56. 6.100 / 56. 6.100
[alsa @ 0x7ffff7ffe100] cannot set channel count to 2 (Invalid argument)
cam: I/O error
}}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/10132>
FFmpeg <https://ffmpeg.org>
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