[FFmpeg-user] In case of future deprecation, a backup of audio routing script shared for public servicing.
soundyuanofficial at gmail.com
Wed Feb 13 02:47:59 EET 2019
It's the pan filter's magic now. Thanks to everyone involved.
ffmpeg -f dshow -i audio="Line 1 (Virtual Audio Cable)" -filter_complex
"pan=5.1|BL=c0|BR=c1" -vn -f wav -vol 1024 - | "C:\vlc-3.0.6\vlc.exe" -
On Tue, Feb 12, 2019 at 9:44 PM Moritz Barsnick <barsnick at gmx.net> wrote:
> On Tue, Feb 12, 2019 at 12:26:55 +0800, Sound Yuan wrote:
> > Thanks for the suggestion. Forgot to tell that Line 1 is the real output
> > whereas Line 2 is a silenced source for nullifying front channels. I use
> > two cables separately for rear and front jacks, with earphones attached
> > front one's extension and stereos to the rear's; Would try the quad
> > configuration when home after-hours.
> > > > On Feb 11, 2019, at 6:42 PM, Sound Yuan <soundyuanofficial at gmail.com>
> > > >
> > > > ffmpeg -f dshow -rtbufsize 4 -i audio="Line 1 (Virtual Audio Cable)"
> > > dshow -rtbufsize 4 -i audio="Line 2 (Virtual Audio Cable)" -f dshow
> > > -rtbufsize 4 -i audio="Line 2 (Virtual Audio Cable)" -filter_complex
> > > "[0:a][1:a][2:a]amerge=inputs=3[a]" -map "[a]" -ar 48000 -vn -f wav - |
> > > ffmpeg -i - -filter_complex
> > >
> > > -vn -f wav -vol 1024 - | "C:\vlc-3.0.6\vlc.exe" -
> I'm quite sure you can also chain the filters from the first and the
> second ffmpeg command. This could in turn reduce some of the latency.
> $ [...] -filter_complex
> (without judging about the use of the filters for your use-case).
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