[FFmpeg-user] Piping from FFmpeg to FFplay

Michael Koch astroelectronic at t-online.de
Sun Nov 13 23:47:38 EET 2022


Am 13.11.2022 um 22:47 schrieb Reino Wijnsma:
> On 2022-11-13T22:18:15+0100, Michael Koch <astroelectronic at t-online.de> wrote:
>> Is the "-" at the end an (undocumented) option of FFplay, or is it a batch file operator?
> The first, I guess.
> I've found 'opusenc' (Opus command-line encoder) to print:
>
>     Usage: opusenc [options] input_file output_file.opus
>
>     [...]
>
>     input_file can be:
>       filename.wav      file
>       -                 stdin
>
>     output_file can be:
>       filename.opus     compressed file
>       -                 stdout
>
>     [...]
>
> But I also have lots of other binaries where the help-section doesn't mention the dash or stdin.
> So I guess the developers assume it's common knowledge.
>

thank you!

Michael



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