On Wed, Oct 3, 2018 at 5:55 PM redneb8888 <[email protected]> wrote:
> 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". I'd give ebur128 a try, its pretty accurate _______________________________________________ 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".
