On 15 Dec 2022 16:05:03 +0100 Matthias Urlichs <sm...@smurf.noris.de> wrote:
> Package: ffmpeg
> Version: 7:5.1.2-1
>
> $ ffprobe -of json ./01.ogg >/tmp/ff.stdout 2>/tmp/ff.stderr
> $ cat /tmp/ff.stderr
> [only header, but no json output]
> $ cat /tmp/ff.stdout
> {
>
> }
>
> I'm fairly sure that this is not the intended behavior.
>
> Upstream says that this works for them.
> https://trac.ffmpeg.org/ticket/10104
I can reproduce your findings, but ...
$ ffprobe -hide_banner -of json Critical.ogg
{
Input #0, ogg, from 'Critical.ogg':
Duration: 00:00:00.63, start: 0.000000, bitrate: 129 kb/s
Stream #0:0: Audio: vorbis, 48000 Hz, mono, fltp, 86 kb/s
}
$ ffprobe -hide_banner -of json Critical.ogg 2>/dev/null
{
}
So it looks like `2>/dev/null` 'hides' the output.
I don't know if without it, is valid json though.
Using 'xml' as output_format gives an interesting result ...
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