On Mon, Mar 05, 2018 at 17:19:24 +0100, JACKY wrote:
> I would like to perform a aac sound normalize with the loudnorm filter
> but let ffmpeg read the first pass log result to perdorm the second pass
> is there a way to do so on windows ?
As far as I can tell, there is no way (currently) for ffmpeg to re-use
the file from the first pass. You have to take the file's parameters
yourself in order to construct a filter command for the second pass: