[FFmpeg-user] problems with astreamselect

Eric Ball eric.l.ball at gmail.com
Mon Jun 10 14:38:15 EEST 2019


> Use asetnsamples to set same number of samples to both inputs.
No impact.

I'm beginning to wonder if it's something with the container.  If I
strip the video out so the mp4 only contains the two audio streams it
still fails.

On Mon, Jun 10, 2019 at 2:55 AM Paul B Mahol <onemda at gmail.com> wrote:
>
> On 6/10/19, Eric Ball <eric.l.ball at gmail.com> wrote:
> > Reproduced with ffmpeg version N-94000-g78e1d7f421-tessus
> >
> > However, I was hoping the mailing list could identify any obvious
> > usage problems before I generated the bug report.
>
> Use asetnsamples to set same number of samples to both inputs.
>
> >
> > On Sun, Jun 9, 2019 at 7:27 PM Dennis Mungai <dmngaie at gmail.com> wrote:
> >>
> >> On Mon, 10 Jun 2019 at 02:19, Eric Ball <eric.l.ball at gmail.com> wrote:
> >>
> >> > Thought I'd check with the mailing list before filing a bug report.
> >> >
> >> > ffmpeg version 4.1.1-tessus on macOS 10.14.5
> >> >
> >> > test.mp4 contains 3 streams :0 h264, :1 aac, :2 aac
> >> >
> >> > ffmpeg -i test.mp4 -filter_complex:a "astreamselect=inputs=2:map=1"
> >> > test.wav
> >> >
> >> > ffmpeg locks up after producing minimal output.
> >> >
> >> > (Yes, I know I can accomplish this with -map, but I want to use
> >> > asendcmd to change the map at set times.)
> >> >
> >> > Adding -vn before -i doesn't help.  But if I extract the two streams
> >> > to individual wav files it works fine.
> >> >
> >> > Eric Ball
> >> >
> >> >
> >> Only git head is supported here, Eric.
> >> Retry with the current git head and report back.
> >> _______________________________________________
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> >>
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