[FFmpeg-user] Ffmpeg fails to convert webm files when h264_nvenc forced

Hi, I have been working with below environment. ==>Ubuntu 16.04.3 ==>FFmpeg :3.4.2 -- configuration: --prefix=/usr/local/ffmpeg_new/ --enable-cuda --enable-cuvid --enable-nvenc --enable-nonfree --enable-libnpp --extra-cflags=-I/usr/local/cuda/include

Re: [FFmpeg-user] All the video captures are made at a resolution of 176x144

I already achieved it after a little research, using this command: ffmpeg -f video4linux2 -input_format h264 -video_size 1280x720 -i /dev/video0 -vframes 1 -f mjpeg menu%d.jpg ffmpeg version 3.4.1-1+b2 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7 (Debian 7.2.0-19)

Re: [FFmpeg-user] Add time code AND a watermark in one pass

On Tue, Feb 27, 2018 at 10:07 PM, Kevin Duffey wrote: > > Hi, thank you for the replies. > So here is my current script, and ill past some output below that. I don't see it.. ___ ffmpeg-user mailing list

Re: [FFmpeg-user] All the video captures are made at a resolution of 176x144

2018-02-27 8:58 GMT-05:00 Moritz Barsnick : > On Mon, Feb 26, 2018 at 16:43:50 -0500, Lindsey Williams wrote: > > "-r 1 " is just going to use the input file sampling rate, no? > > Input file? We are talking about an input device (as this is a camera), > and the term is "frame

Re: [FFmpeg-user] Add time code AND a watermark in one pass

Hi, thank you for the replies. So here is my current script, and ill past some output below that. It is a windows .bat, but really the for loop is it, the ffmpeg call is the issue. I am NOT attempting to keep the video the same.. e.g. I want to convert it to h.265 AND add the timecode

Re: [FFmpeg-user] All the video captures are made at a resolution of 176x144

2018-02-27 14:58 GMT+01:00 Moritz Barsnick : > On Mon, Feb 26, 2018 at 16:43:50 -0500, Lindsey Williams wrote: >> "-r 1 " is just going to use the input file sampling rate, no? > > Input file? We are talking about an input device (as this is a camera), > and the term is "frame

[FFmpeg-user] Concat demux PTS discontinuity

Hi everyone, i try to create the encoding suitable for mpeg-dash for my videos and concatenating them. Unfortunately, the concat demux generates a discrepancy of the PTS between videos concatenated: PTS time stamp: [...] 382.021016 384.021016 386.021016 the concat demux effect: 388.043047

Re: [FFmpeg-user] All the video captures are made at a resolution of 176x144

On Mon, Feb 26, 2018 at 16:43:50 -0500, Lindsey Williams wrote: > "-r 1 " is just going to use the input file sampling rate, no? Input file? We are talking about an input device (as this is a camera), and the term is "frame rate". "-r" should be "-framerate" for a v4l2 input, but "-r" works. It

Re: [FFmpeg-user] I'm writing a tutorial involving ffmpeg - could you please fact-check?

2018-02-27 7:53 GMT+01:00 Pičugins Arsenijs : >> ffmpeg -f v4l2 -s "$INRES" -r "$FPS" -i /dev/video0 -vcodec h264_omx -g $GOP >> -keyint_min $FPS -b:v $CBR -minrate "100k" -maxrate $CBR -pix_fmt yuv420p >> -bufsize "500k" -preset "veryfast" -f flv >>