Re: [FFmpeg-user] Can someone point me to a libavformat file

2018-05-31 Thread Robert Clove
Can someone point me to a libavformat file for which i can use the following command ffmpeg -i abc.avi -an -vcodec copy stream.264 On Fri, Jun 1, 2018 at 10:55 AM, Robert Clove wrote: > Hi, > > Can someone point me to a libavformat file > > OR > > I have a decrypted PCAP file, how can i stream

[FFmpeg-user] Can someone point me to a libavformat file

2018-05-31 Thread Robert Clove
Hi, Can someone point me to a libavformat file OR I have a decrypted PCAP file, how can i stream it to rtsp://. on windows platform, what tools can be used for the same. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/

Re: [FFmpeg-user] filter_complex concat large number of files.

2018-05-31 Thread Gyan Doshi
On 01-06-2018 05:58 AM, William C Bonner wrote: I'm using ffmpeg to concatenate a large number of files from my dash cam and then speed things up by a factor of 60. It works properly when the number of files is small, but fails as the filter_complex option string expands. I'm generating the co

Re: [FFmpeg-user] Nvenc Fails with Cannot Init CUDA

2018-05-31 Thread Fabian Russell
On Thu, May 31, 2018 at 7:11 PM, Fabian Russell wrote: > The problem then must be the nvidia proprietary drivers. > > > I discovered a partial solution to the problem. I need to unload and then reload the nvidia-uvm module before using ffmpeg: modprobe -r nvidia-uvm modprobe nvidia-uvm ffmpeg

[FFmpeg-user] filter_complex concat large number of files.

2018-05-31 Thread William C Bonner
I'm using ffmpeg to concatenate a large number of files from my dash cam and then speed things up by a factor of 60. It works properly when the number of files is small, but fails as the filter_complex option string expands. I'm generating the command line from a program. From the ffmpeg generate

Re: [FFmpeg-user] create live stream from static files

2018-05-31 Thread Anthony Ettinger
I believe obs uses ffmpeg under the hood. I'm looking into building a custom solution for a web site I work on. I'd like to use ffmpeg if that's possible. On Thu, May 31, 2018 at 4:24 PM, William Caulfield < william.caulfi...@contentbridge.tv> wrote: > On Thu, May 31, 2018 at 10:51 AM, Anthony Et

Re: [FFmpeg-user] create live stream from static files

2018-05-31 Thread William Caulfield
On Thu, May 31, 2018 at 10:51 AM, Anthony Ettinger wrote: > I have a collection of video files. I would like to create a 24/7 "live" > stream from the list of files that would simply repeat when the last video > is played. > > Can someone point me in the right direction on how to do this? > > Do

Re: [FFmpeg-user] Nvenc Fails with Cannot Init CUDA

2018-05-31 Thread Fabian Russell
On Thu, May 31, 2018 at 6:48 PM, Moritz Barsnick wrote: > > The latter. > > From what I have been able to determine, if my hardware does not support nvenc then ffmpeg would issue a warning: No nvenc capable devices found. But I do not get this warning. Ffmpeg calls an nvidia API function to init

Re: [FFmpeg-user] compilation error

2018-05-31 Thread Moritz Barsnick
On Thu, May 31, 2018 at 20:51:35 +0200, Reindl Harald wrote: > > so just install the devel-package, given that you don#t say anything > about your operating system - who knows - on redhat "yum install > opus-devel" or remove "--enable-libopus" It's self-installed, see references to e.g. /home/ubu

Re: [FFmpeg-user] FFMPEG Packteziation Modes, Can i use FFMPEG to extract the H.264 content from RTP stream.?

2018-05-31 Thread Moritz Barsnick
On Thu, May 31, 2018 at 20:14:46 +0530, Robert Clove wrote: > Can i use FFMPEG to extract the H.264 content from RTP stream.? > How can i achieve that? I'm not sure what you mean with "Packteziation Modes", or what you're exactly trying to achieve. Have you tried: $ ffmpeg -i rtp://bla -c copy fi

Re: [FFmpeg-user] fontconfig not found using pkg-config

2018-05-31 Thread Moritz Barsnick
On Thu, May 31, 2018 at 11:08:36 +0530, Rushil Soni wrote: > " ./configure --enable-libfreetype --enable-libfontconfig --enable-libfribidi" > > I have also attached the log file. Kindly the find the same and help > me with it if possible. It reports this: > Perhaps you should add the directory co

Re: [FFmpeg-user] Nvenc Fails with Cannot Init CUDA

2018-05-31 Thread Moritz Barsnick
On Thu, May 31, 2018 at 15:46:25 -0400, Fabian Russell wrote: > Does ffmpeg read the actual hardware to make this report or does it report > nvenc because it has been compiled with --enable-nvenc? The latter. Moritz ___ ffmpeg-user mailing list ffmpeg-u

Re: [FFmpeg-user] Tag mp4s incompatible with output codec ?

2018-05-31 Thread Moritz Barsnick
On Wed, May 30, 2018 at 20:09:36 +0200, Gabriel Zachmann wrote: > Could that have any negative side effects when I try to convert some other > movies? It depends. If video editing was simple, it wouldn't require complex tools. ;-) In your case, my guess is that ffmpeg is unable to mux all the da

[FFmpeg-user] Is it possible to create a live stream from static video files?

2018-05-31 Thread Anthony Ettinger
I have a collection of video files. I would like to create a 24/7 "live" stream from the list of files that would simply repeat when the last video is played. Can someone point me in the right direction on how to do this? Do all the video files need to be of the same format? How do I setup a liv

Re: [FFmpeg-user] Nvenc Fails with Cannot Init CUDA

2018-05-31 Thread Fabian Russell
It is possible that my video card does not support nvenc. Although the GPU is a GK208, I have read that some models of GK208 do not support nvenc. However, ffmpeg reports that nvenc is available: ffmpeg -encoders | grep nvenc V. h264_nvenc NVIDIA NVENC H.264 encoder (codec h264)

Re: [FFmpeg-user] compilation error

2018-05-31 Thread Reindl Harald
Am 31.05.2018 um 18:52 schrieb Kote Pan: > error with OPUS > https://ftp.osuosl.org/pub/xiph/releases/opus/opus-1.2.1.tar.gz > > http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2 > > attached config.log ERROR: opus not found using pkg-config so just install the devel-package, given that you

[FFmpeg-user] create live stream from static files

2018-05-31 Thread Anthony Ettinger
I have a collection of video files. I would like to create a 24/7 "live" stream from the list of files that would simply repeat when the last video is played. Can someone point me in the right direction on how to do this? Do all the video files need to be of the same format? How do I setup a liv

Re: [FFmpeg-user] Nvenc Fails with Cannot Init CUDA

2018-05-31 Thread Fabian Russell
On Thu, May 31, 2018 at 12:51 PM, James Girotti wrote: > > From the strace it looks like there is a problem opening /dev/nvidia-uvm. > Do you have all the nvidia kernel modules loaded? Specifically nvidia-uvm? > Is there a device node /dev/nvidia-uvm? > The stat() function returns a value of 0

Re: [FFmpeg-user] Nvenc Fails with Cannot Init CUDA

2018-05-31 Thread James Girotti
> > Using the strace utility I can get a little more information on the error: > > strace ffmpeg -i input.mp4 -c:v h264_nvenc output.mkv > > stat("/dev/nvidia-uvm", {st_mode=S_IFCHR|0666, st_rdev=makedev(249, 0), > ...}) = 0 > stat("/dev/nvidia-uvm-tools", {st_mode=S_IFCHR|0666, st_rdev=makedev(249

Re: [FFmpeg-user] Nvenc Fails with Cannot Init CUDA

2018-05-31 Thread Fabian Russell
On Thu, May 31, 2018 at 11:56 AM, Dennis Mungai wrote: > Hello, > > Can you provide the output of: > > ffmpeg -buildconf > > And how you installed the NVIDIA driver? > And what platform/OS you're on? > > My system is Gentoo Linux with the Gentoo nvidia-drivers-396.24. The Gentoo nvidia-drivers i

Re: [FFmpeg-user] Nvenc Fails with Cannot Init CUDA

2018-05-31 Thread Dennis Mungai
Hello, Can you provide the output of: ffmpeg -buildconf And how you installed the NVIDIA driver? And what platform/OS you're on? For linux, run: lsb_release -a Normally, with the installation of the NVIDIA driver through the distribution's package manager (yum, apt, dnf, etc), it should satis

[FFmpeg-user] Nvenc Fails with Cannot Init CUDA

2018-05-31 Thread Fabian Russell
Hello, On my linux system I have an Nvidia GT 730 card: # lspci | grep -i nvidia 01:00.0 VGA compatible controller: NVIDIA Corporation GK208B [GeForce GT 730] (rev a1) This GPU is supposed to support nvenc using the latest proprietary Nvidia drivers yet when I attempt to record or transcode a vi

[FFmpeg-user] FFMPEG Packteziation Modes, Can i use FFMPEG to extract the H.264 content from RTP stream.?

2018-05-31 Thread Robert Clove
Hi, Can i use FFMPEG to extract the H.264 content from RTP stream.? How can i achieve that? Regards ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-us

[FFmpeg-user] deckling output

2018-05-31 Thread Phillipe Laterrade
Hello, I'm wondering if any of you knows which ffmpeg static build to use for file playout capabilities on Decklink card. I didn't succeed so far. PS : using windows 10. Thank's for help. Regards. Philippe. ___ ffmpeg-user m