Re: [FFmpeg-user] FFMPEG 3.0.1

2016-04-06 Thread Moritz Barsnick
On Wed, Apr 06, 2016 at 10:38:13 +0200, Xavier Llordella wrote: > Hi, its possible to install FFMPEG 3.0.1 into CentOs 6? > I only find older versions! Either you go complain with those who try to provide repositories, or: You build yourself: https://trac.ffmpeg.org/wiki/CompilationGuide/Centos

Re: [FFmpeg-user] FFMPEG 3.0.1

2016-04-06 Thread Carl Eugen Hoyos
Xavier Llordella agilecontent.com> writes: > Hi, its possible to install FFMPEG 3.0.1 into CentOs 6? > I only find older versions! Please remember that if you are not a distributor yourself the only recommended and supported version is current FFmpeg git head. Carl Eugen

Re: [FFmpeg-user] Error while generating images from video through network

2016-04-06 Thread Moritz Barsnick
On Wed, Apr 06, 2016 at 11:45:37 +, Gururaj Nayak wrote: > Dear Team, >I am using ffmpeg.exe for converting video into images and getting > problem while extraction . Video files are located on network . Some > times images (frames) getting skipped while extracting it

[FFmpeg-user] FFMPEG 3.0.1

2016-04-06 Thread Xavier Llordella
Hi, its possible to install FFMPEG 3.0.1 into CentOs 6? I only find older versions! In this case how can we do that? thanks! Xavi Llorella ICT systems engineer www.agilecontent.com Practice in systems department, Agile Content Avinguda Diagonal 449, 7º 1ª - 08036 BARCELONA

[FFmpeg-user] How can I extract 8 linear thumbnails from videos with differnt length?

2016-04-06 Thread Christoph Gerstbauer
Hi I want to extract 8 thumbnails from every video I have which represents a linear "timeline" over the complete length (100percent) of the video. Examples: 90min video: thumbnail at Minute 10, 20, 30, ... 80. 9min video: thumbnail at Minute 1, 2, 3, ... 8. 120min video: thumbnail at Minute

Re: [FFmpeg-user] Syntax problem for specifying files(?)

2016-04-06 Thread Reto Kromer
aviv solodoch wrote: >I'm trying to create a movie from a series of .png files. >The file names are of the form "NWAT_Vort_GB_.pg", >where is a 4 digit number. The lowest value is =1148. > >I write in my windows command shell, from the same folder as the .png files: > >ffmpeg -f

Re: [FFmpeg-user] Syntax problem for specifying files(?)

2016-04-06 Thread Cley Faye
2016-04-06 18:28 GMT+02:00 aviv solodoch : > I'm trying to create a movie from a series of .png files. > The file names are of the form "NWAT_Vort_GB_.pg", > where is a 4 digit number. The lowest value is =1148. > ​In addition to the other reply, I think this

Re: [FFmpeg-user] Interlaced x264

2016-04-06 Thread Andy Furniss
Anatol wrote: Thanks And, But no, it did not help Please avoid top posting. Yea, I missed that your rather long command line already had -top 1 in addition to -flags +ilme+ildct. Earlier in the thread mediainfo got a mention and given progressive input for libx264 either -vf setfield=tff

Re: [FFmpeg-user] FFMPEG 3.0.1

2016-04-06 Thread Reindl Harald
Am 06.04.2016 um 10:38 schrieb Xavier Llordella: Hi, its possible to install FFMPEG 3.0.1 into CentOs 6? I only find older versions! In this case how can we do that? by build your own package and maintain ffmpeg with likely a also recent libx264 statically linked at your own as i do for

Re: [FFmpeg-user] FFMPEG 3.0.1

2016-04-06 Thread Moritz Barsnick
On Thu, Apr 07, 2016 at 00:08:30 +0200, Reindl Harald wrote: > attached with .txt extension because some inboundfilters (like ours) > reject executeable extensions Many thanks! > in the meantime i switched to generate .xz instead tar.bz2 to make the > archived src.rpm files smaller If you

Re: [FFmpeg-user] FFMPEG 3.0.1

2016-04-06 Thread Reindl Harald
Am 07.04.2016 um 00:24 schrieb Moritz Barsnick: On Thu, Apr 07, 2016 at 00:08:30 +0200, Reindl Harald wrote: attached with .txt extension because some inboundfilters (like ours) reject executeable extensions Many thanks! in the meantime i switched to generate .xz instead tar.bz2 to make

Re: [FFmpeg-user] How can I extract 8 linear thumbnails from videos with differnt length?

2016-04-06 Thread Christian Ebert
* Moritz Barsnick on Wednesday, April 06, 2016 at 23:13:25 +0200 > On Wed, Apr 06, 2016 at 21:02:17 +0200, Christoph Gerstbauer wrote: >> I want to extract 8 thumbnails from every video I have which represents >> a linear "timeline" over the complete length (100percent) of the video. > [...] >>

Re: [FFmpeg-user] Minimum Hardware

2016-04-06 Thread Mystream Adventure
Helo Franscesco, Do you think VP9 and x265 codec currently is not ready for live streaming (low latency)? On Wed, Apr 6, 2016 at 4:23 PM, Francesco Turco wrote: > On Wed, Apr 6, 2016, at 10:13, Carl Eugen Hoyos wrote: > > FFmpeg neither supports vp9 nor x265 encoding so I

Re: [FFmpeg-user] use q:v and maxrate

2016-04-06 Thread Carl Eugen Hoyos
YIRAN LI gmail.com> writes: > > > ffmpeg.exe -i a.mp4 -c:v mpeg4 -profile:v 15 -vtag DIVX > > > -bufsize 308 -maxrate 800 -bt 800 -an a.avi > > > (so that maxbitrate will be 8000kbps) > > > > You forgot to set the video bitrate. > > my target is to archieve good quality while

Re: [FFmpeg-user] use q:v and maxrate

2016-04-06 Thread YIRAN LI
2016-04-07 11:43 GMT+10:00 Carl Eugen Hoyos : > YIRAN LI gmail.com> writes: > > > ffmpeg.exe -i big_buck_bunny.mp4 -c:v mpeg4 -profile:v 15 > > -vtag DIVX -bufsize 308 -maxrate 800 -bt 800 > > -minrate 0 -an a.avi > > As said, this command is missing a video

Re: [FFmpeg-user] use q:v and maxrate

2016-04-06 Thread YIRAN LI
2016-04-06 18:12 GMT+10:00 Carl Eugen Hoyos : > YIRAN LI gmail.com> writes: > > > ffmpeg.exe -i a.mp4 -c:v mpeg4 -profile:v 15 -vtag DIVX > > -bufsize 308 -maxrate 800 -bt 800 -an a.avi > > (so that maxbitrate will be 8000kbps) > > You forgot to set the video

Re: [FFmpeg-user] use q:v and maxrate

2016-04-06 Thread YIRAN LI
2016-04-07 10:56 GMT+10:00 Carl Eugen Hoyos : > YIRAN LI gmail.com> writes: > > > > > ffmpeg.exe -i a.mp4 -c:v mpeg4 -profile:v 15 -vtag DIVX > > > > -bufsize 308 -maxrate 800 -bt 800 -an a.avi > > > > (so that maxbitrate will be 8000kbps) > > > > > > You forgot to

Re: [FFmpeg-user] use q:v and maxrate

2016-04-06 Thread Carl Eugen Hoyos
YIRAN LI gmail.com> writes: > ffmpeg.exe -i big_buck_bunny.mp4 -c:v mpeg4 -profile:v 15 > -vtag DIVX -bufsize 308 -maxrate 800 -bt 800 > -minrate 0 -an a.avi As said, this command is missing a video bitrate. > ffmpeg.exe -i big_buck_bunny.mp4 -c:v mpeg4 -q:v 4 -profile:v 15 >

[FFmpeg-user] use q:v and maxrate

2016-04-06 Thread YIRAN LI
Hi guys, I'm encoding videos target a max average bitrate and want to achieve good encoding quality. When I use ffmpeg.exe -i a.mp4 -c:v mpeg4 -profile:v 15 -vtag DIVX -bufsize 308 -maxrate 800 -bt 800 -an a.avi (so that maxbitrate will be 8000kbps), in this case I get a.avi

Re: [FFmpeg-user] Does FFMpeg support the new IMF format?

2016-04-06 Thread Carl Eugen Hoyos
Francesco Bucciantini gmail.com> writes: > I would like to know whether FFMpeg supports the new .imf format Please upload a few samples for us. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Minimum Hardware

2016-04-06 Thread Francesco Turco
On Wed, Apr 6, 2016, at 10:13, Carl Eugen Hoyos wrote: > FFmpeg neither supports vp9 nor x265 encoding so I don't > think your question is FFmpeg-related. Are you sure? I'm using the vp9 codec with ffmpeg without any problems (except it being very slow...)

[FFmpeg-user] ffmpeg and stream analysis

2016-04-06 Thread Ben Barker
Hi, I think I know the answer to this question before I ask it, but would feel silly if it turned out I had missed something, so here goes: As it stands, using ffmpeg I can join a stream and, providing I use a verbose enough logging, can get an idea of the number of RTP dropped packets over a

Re: [FFmpeg-user] use q:v and maxrate

2016-04-06 Thread Carl Eugen Hoyos
YIRAN LI gmail.com> writes: > ffmpeg.exe -i a.mp4 -c:v mpeg4 -profile:v 15 -vtag DIVX > -bufsize 308 -maxrate 800 -bt 800 -an a.avi > (so that maxbitrate will be 8000kbps) You forgot to set the video bitrate. [...] > 1. for mpeg4 encoder, what qscale value is good enough > to

Re: [FFmpeg-user] Minimum Hardware

2016-04-06 Thread Carl Eugen Hoyos
Mystream Adventure gmail.com> writes: > - VP9 & x265 FFmpeg neither supports vp9 nor x265 encoding so I don't think your question is FFmpeg-related. Note that both libvpx and libx265 are very slow encoders, consider using libx264. Carl Eugen ___

Re: [FFmpeg-user] Minimum Hardware

2016-04-06 Thread Moritz Barsnick
On Wed, Apr 06, 2016 at 11:23:50 +0200, Francesco Turco wrote: > On Wed, Apr 6, 2016, at 10:13, Carl Eugen Hoyos wrote: > > FFmpeg neither supports vp9 nor x265 encoding so I don't > > think your question is FFmpeg-related. > > Are you sure? I'm using the vp9 codec with ffmpeg without any

Re: [FFmpeg-user] Minimum Hardware

2016-04-06 Thread Reindl Harald
Am 06.04.2016 um 17:01 schrieb Moritz Barsnick: On Wed, Apr 06, 2016 at 11:23:50 +0200, Francesco Turco wrote: On Wed, Apr 6, 2016, at 10:13, Carl Eugen Hoyos wrote: FFmpeg neither supports vp9 nor x265 encoding so I don't think your question is FFmpeg-related. Are you sure? I'm using the

[FFmpeg-user] Syntax problem for specifying files(?)

2016-04-06 Thread aviv solodoch
Hello I'm trying to create a movie from a series of .png files. The file names are of the form "NWAT_Vort_GB_.pg", where is a 4 digit number. The lowest value is =1148. I write in my windows command shell, from the same folder as the .png files: ffmpeg -f image2 -i

Re: [FFmpeg-user] Syntax problem for specifying files(?)

2016-04-06 Thread aviv solodoch
Thanks Reto, that worked! Aviv On Wed, Apr 6, 2016 at 9:41 AM, Reto Kromer wrote: > aviv solodoch wrote: > > >I'm trying to create a movie from a series of .png files. > >The file names are of the form "NWAT_Vort_GB_.pg", > >where is a 4 digit number. The lowest value is