On Thu, Dec 25, 2014 at 09:07:04PM +0100, Lars Kiesow wrote: > Hi Clément,
Hi, > this is the patch I was looking for... thanks! > :) > I've applied the patch against the current master and had a first > glimps at it. It works well. I've tried it successfully on a two minute > audio file as well as on a several hour long lecture recording. > > One thing I noticed was that with large input files, it was a good idea > to downsample the input before passing it into the showwaves filter as > you will need a lot less memory. Though, of course, it still worked with > the original sample rate. A sample rate of 8000 Hz was what I would > suggest to use. Dropping the rate too low would change the waveform. > 8000 Hz looked ok. > Yeah, obviously, hence the warning in the documentation. > One improvement that's left is to choose the colors, but that's > something for another patch and you can archive that quite easily with > some of the other filters already. Yeah you can just apply a filter on top of it. Adding a color option can be annoying because of the grayscale logic when you do not use split_channels option. > Regards, > Lars > [...] BTW, please do not top post on this mailing list. -- Clément B.
pgpdgPweejOGj.pgp
Description: PGP signature
_______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel