[FFmpeg-trac] #11077(ffplay:new): ffplay uses the -ac option to play pcm and reports an error 'ac': Option not found
FFmpeg
trac at avcodec.org
Wed Jul 10 03:57:53 EEST 2024
#11077: ffplay uses the -ac option to play pcm and reports an error 'ac': Option
not found
-------------------------------------+-------------------------------------
Reporter: marszuo | Owner: (none)
Type: defect | Status: new
Priority: normal | Component: ffplay
Version: 7.0 | Resolution:
Keywords: Option not | Blocked By:
found |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by Zhai Can):
I can confirm this.
{{{
/tmp/tmp.gPGJmDvjqV ❯ ~/bin/ffplay-n5.1 -hide_banner -f s16le -ac 2 -ar
44100 -i raw
08:52:56
[s16le @ 0x7f53dc000c80] Estimating duration from bitrate, this may be
inaccurate
Input #0, s16le, from 'raw':
Duration: 00:03:31.77, bitrate: 1411 kb/s
Stream #0:0: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
2.29 M-A: 0.000 fd= 0 aq= 175KB vq= 0KB sq= 0B f=0/0
/tmp/tmp.gPGJmDvjqV ❯ ffplay -hide_banner -f s16le -ac 2 -ar 44100 -i raw
08:53:03
Failed to set value '2' for option 'ac': Option not found
}}}
n5.1 version works well.
However '''ffmpeg''' n7.0 is also an okay:
{{{
/tmp/tmp.gPGJmDvjqV ❯ ffmpeg -hide_banner -f s16le -ac 2 -ar 44100 -i raw
08:55:38
[s16le @ 0x55c65655a680] Estimating duration from bitrate, this may be
inaccurate
[aist#0:0/pcm_s16le @ 0x55c6566337c0] Guessed Channel Layout: stereo
Input #0, s16le, from 'raw':
Duration: 00:03:31.77, bitrate: 1411 kb/s
Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
At least one output file must be specified
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11077#comment:1>
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