[FFmpeg-devel] [PATCH v3] ffmpeg: add option -isync

[Anton Khirnov]

Quoting Gyan Doshi (2022-07-04 18:29:12)
> This is a per-file input option that adjusts an input's timestamps
> with reference to another input, so that emitted packet timestamps
> account for the difference between the start times of the two inputs.
> 
> Typical use case is to sync two or more live inputs such as from capture
> devices. Both the target and reference input source timestamps should be
> based on the same clock source.
> 
> If not all inputs have timestamps, the wallclock times at the time of
> reception of inputs shall be used. FFmpeg must have been compiled with
> thread support for this last case.

I'm wondering if simply using the other input's InputFile.ts_offset
wouldn't achieve the same effect with much less complexity.

-- 
Anton Khirnov