[FFmpeg-devel] af_silencedetect.c: silencedetect reporting format change to follow blackdetect reporting format

Dave Rice dave at dericed.com
Tue May 27 19:32:09 CEST 2014

On May 27, 2014, at 1:22 PM, Gaullier Nicolas <nicolas.gaullier at arkena.com> wrote:

>>> One question is that I have managed to get the two commands below to 
>>> work to utilise metadata injection (blackdetect doesn't yet), however, 
>>> is there a way to combine these into one command?
>>> ffprobe -f lavfi -i movie=1080p24.mxf,blackdetect​ -show_frames -of 
>>> json ffprobe -f lavfi -i amovie=1080p24.mxf,silencedetect -show_frames 
>>> -of json
>> Not tested but try:
>> ffprobe -f lavfi -i movie=1080p24.mxf,b​lackdetect​[out0];amovie=1080p24.mxf,silencedetect[out1] -show_frames -of json
>> Dave Rice
> For the same requirements, I use the alternative below:
> ffprobe -f lavfi "movie=1080p24.mxf:s=v+a[in0][in1],[in0]blackdetect[out0];[in1]silencedetect[out1]" -show_frames -of json
> There is only a single source : "movie", so one might expect better performance
> (I did not ran any benchmark on my own) and better scalability (if more streams were available).

That is better. Thanks for replying back with it.
Dave Rice

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