[FFmpeg-user] problems with astreamselect

[Paul B Mahol]

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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