Re: [FFmpeg-user] ffplay at half size by means of a math function

2015-07-01 Thread Jim Shupert
On 6/30/2015 5:32 PM, Lou wrote: On Tue, 30 Jun 2015 17:17:39 -0400 Jim Shupert wrote: here is what i settled on. it works ffplay -vf "scale=iw/2:ih/2" -i /media/data/zzz-s/NASA_logo.mov Enhance laziness: -vf "scale=iw/2:-1" Also, you can remove the "-i" if you really wanted to be lazy.

Re: [FFmpeg-user] ffplay at half size by means of a math function

2015-06-30 Thread Lou
On Tue, 30 Jun 2015 17:17:39 -0400 Jim Shupert wrote: > here is what i settled on. it works > > ffplay -vf "scale=iw/2:ih/2" -i /media/data/zzz-s/NASA_logo.mov Enhance laziness: -vf "scale=iw/2:-1" Also, you can remove the "-i" if you really wanted to be lazy.

Re: [FFmpeg-user] ffplay at half size by means of a math function

2015-06-30 Thread Jim Shupert
On 6/30/2015 3:25 PM, Dave P wrote: On Jun 30, 2015 11:32 AM, "Jim Shupert, Jr." wrote: Friends, I wish to be able to play a file with ffplay but have it play at 1/2 the real size with -x NUM -y NUM I can control play size with ffplay -x 640 -y 360 -i dog.avi this works as hoped but wha

Re: [FFmpeg-user] ffplay at half size by means of a math function

2015-06-30 Thread Dave P
On Jun 30, 2015 11:32 AM, "Jim Shupert, Jr." wrote: > > > > Friends, > > I wish to be able to play a file with ffplay but have it play at 1/2 the > real size > > with -x NUM -y NUM > I can control play size with > ffplay -x 640 -y 360 -i dog.avi > this works as hoped > > but what I would really l

[FFmpeg-user] ffplay at half size by means of a math function

2015-06-30 Thread Jim Shupert, Jr.
Friends, I wish to be able to play a file with ffplay but have it play at 1/2 the real size with -x NUM -y NUM I can control play size with ffplay -x 640 -y 360 -i dog.avi this works as hoped but what I would really like to do is do some math on the file and scale it down with something lik