Re: [FFmpeg-user] how to build ffmpeg for android?

2015-04-07 Thread Vika Apelsinova
> Hi, > > I am trying to build ffmpeg but it throws the errors like C compiler test > failed and unable execute gcc. > > > Please help me how to build ffmpeg in android? > > > Thanks in Advance http://vinsol.com/blog/2014/07/30/cross-compiling-ffmpeg-with-x264-for-android/ ;) _

Re: [FFmpeg-user] How to set histogram size?

2015-04-07 Thread Moritz Barsnick
On Mon, Apr 06, 2015 at 20:01:49 -0400, Dave Rice wrote: > > On Apr 6, 2015, at 4:32 PM, Pedro wrote: > > *ffmpeg -y -report -i input.mp4 -vf > > "split[a][b];[a]format=gray,histogram=mode=waveform:waveform_mode=column,vflip,split[c][d];[b]pad=iw:ih+256[padded];[c]geq=g=1:b=1[red];[d]geq=r=1:b=1

Re: [FFmpeg-user] How to set histogram size?

2015-04-07 Thread Dave Rice
> On Apr 7, 2015, at 9:38 AM, Moritz Barsnick wrote: > > On Mon, Apr 06, 2015 at 20:01:49 -0400, Dave Rice wrote: >>> On Apr 6, 2015, at 4:32 PM, Pedro wrote: > >>> *ffmpeg -y -report -i input.mp4 -vf >>> "split[a][b];[a]format=gray,histogram=mode=waveform:waveform_mode=column,vflip,split[c][

Re: [FFmpeg-user] Faster vp9

2015-04-07 Thread Matt Zagrabelny
On Mon, Apr 6, 2015 at 11:10 PM, Andrew Sinclair wrote: > Hi, > > Does anyone have any suggestions for faster vp9 encoding? Hi Andrew, I don't have the ffmpeg technical chops to analyze your command-line, but I just came across a Google VP9 encoding guide: https://sites.google.com/a/webmproject

Re: [FFmpeg-user] -gcc is unable to create an executable file.

2015-04-07 Thread basanth alluri
Hi Lou, Thank you for your reply..It got build for me. opt.h file is not build in libavcodec folder Do we need to enable any config file to build opt.h? Thanks Basanth On Tue, Apr 7, 2015 at 5:37 AM, Lou wrote: > On Tue, 7 Apr 2015 05:14:43 +0530 > basanth alluri wrote: > > > Thanks for y

[FFmpeg-user] Sequence Headers on every Keyframe

2015-04-07 Thread Dorian Meid
Hi, I'm trying to generate a mpeg2 file like this: ffmpeg -y -threads auto -t 5 -framerate 30 -i "images_%05d.png" -r 30 -pix_fmt yuv422p -c:v mpeg2video -b:v 5000 -qmin 1 -qmax 18 -q 3 -g 1 -flags2:v +local_header -vf "crop=960:540:0:0" test.m2v The problem is, that it seems the option -f