On 10/18/17, Dave Rice <d...@dericed.com> wrote:
> Hi ffmpeg-user,
>
> I'm trying to benchmark a filterchain that includes multimedia filters (in
> this case with audio input and video output), but I'm having trouble finding
> a way to start and stop the benchmarking. For instance with this command, I
> need abench before the filter since it's audio and bench afterwards since it
> is video, but no benchmarking info is logged.
>
> ffprobe -f lavfi -i sine=d=1,abench=start,showvolume,bench=stop -show_frames
>
> If I use an audio or video filter, then I can get benchmarking data, such as
> with
> ffprobe -f lavfi -i sine=d=1,abench=start,aecho=0.8:0.88:60:0.4,abench=stop
> -show_frames
>
> So is there a way to benchmark an A->V filter?

A->V filters always discards frame metadata.

PATCH welcome.
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