[FFmpeg-user] Need help; willing to pay
Matthew Adams
matthew at matthewadams.me
Wed Jan 6 15:49:52 CET 2016
Ok. Problem solved. Steve, your command served as the best basis.
Moritz, your investigation of the Google Photos magic also clarified things
for me. In the end, I used the following:
ffmpeg -i $INMOV -c:a copy -c:v libx264 -vf fps=fps=60 -crf 15 -preset slow
$OUTMP4
Thanks for all of your help. Since you both took time & helped, is it ok
if I send you $15 each? I can send via PayPal, Venmo, or Square Cash to
the email addresses your subscribed to this list with. Just respond on
this thread with your preferred payment service.
-matthew
On Wed, Jan 6, 2016 at 3:04 AM, Moritz Barsnick <barsnick at gmx.net> wrote:
> On Tue, Jan 05, 2016 at 22:50:18 -0600, Steve Boyer wrote:
> > Matthew,
> > One quick sanity-check -- are you running the commands on
> > "variable-bitrate-sample.mov" or on the raw
> > "Jan22016-150PM-b6cs7K.mov"?
>
> To be more clear: The variable-bitrate-sample.mov, as found on Google
> Drive, is unfixable with a simple ffmpeg command. The files
> Jan22016-15*.mov, as delivered in the zip, must be used as input, in
> order to not have slow-motion effects.
>
> > > PS: FWIW, with a 10.7 Mb original video, Steve's command resulted in a
> 13.7
> > > Mb video, Moritz's, 9.3 Mb.
>
> In really simple terms: Use "-crf" to vary the quality of the
> re-encoded video (a crf of 23 is default, lower is better, play with it
> to see what is okay for you), at the cost of conversion speed and size.
> Use presets to trade conversion speed for file size, while maintaining
> the selected quality.
>
> Moritz
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