On Wed, Oct 3, 2018 at 8:36 PM Paul B Mahol <[email protected]> wrote: > > On 10/3/18, redneb8888 <[email protected]> wrote: > > Hi *, > > > > ffprobe can nowadays produce JSON output, which is quite convenient > > sometimes. I am trying to use that feature in order to get the output > > of volumedetect as JSON. I tried the following: > > > > ffprobe -loglevel error -of json=c=1 -show_entries root -f lavfi > > -i 'movie=filename=clip.mkv:streams=a,volumedetect' > > > > The "-show_entries root" means that all information should be included > > in the JSON output, but still I cannot find anything from volumedetect > > there. On the other hand, the above trick works just fine with other > > filters, e.g. for cropdetect you can do > > > > ffprobe -loglevel error -of json=c=1 -show_entries frame_tags -f > > lavfi -i 'movie=filename=clip.mkv:streams=v,cropdetect' > > > > Is there a way to make this work? Or is this a shortcoming of volumedetect? > > No way, it is shortcoming of volumedetect. It outputs info at uninit only. > > If you are interested in peak volume only try astats filter.
Thanks for the suggestion, astats does what I want. _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
