Re: [FFmpeg-user] Make Output Files More Digestible / Increase Output Compatibility

> > You should try a no-GOP codec for editing, like Prores or DNxHD/HR. > MP4 is perfect for delivery, but not intended for editing. > Sorry for the late reply, but I thought I should get back to you after finally testing this. Re-encoding to DNxHR made a HUGE difference. I can hardly believe how

Re: [FFmpeg-user] Max rtbufsize Via dshow

> > I'm using a GeForce 1060 3GB and when I stop the process the GPU usage > spikes. Not sure why.. > > http://kdca.neocities.org/gpuspike.jpg Thank you for your corroboration! ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailma

Re: [FFmpeg-user] Max rtbufsize Via dshow

> > The limits "max signed INT" I believe (2B). > Anyway this message typically means your system isn't keeping up with > encoding. I'd think nvenc would be able to handle it but maybe not? That actually makes a lot of sense! So I assume when I put it 2147.48M it's being converted to 2,147,480,

Re: [FFmpeg-user] Can I get some help converting .sec files?

Well, this is a surprise. When I tried this command on the short video I provided ffmpeg -i (name of file).sec -filter:v "setpts=3.04*PTS" (name of final file).mp4 I did not get the lines in it, either, like I did on the long videos I had been processing. I am going to work with this some more

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

Yes, it is default internal camera. -- Peter Gusev gpeet...@gmail.com +1 213 5872748 peetonn_ (skype) > On Sep 19, 2018, at 2:31 PM, Carl Eugen Hoyos wrote: > > 2018-09-19 15:33 GMT+02:00, Peter Gusev : > >> As a part of figuring out the problem I have with ffplay >>

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

2018-09-19 15:33 GMT+02:00, Peter Gusev : > As a part of figuring out the problem I have with ffplay > , > I noticed, that ffmpeg adds 32 bytes to raw 0rgb frame

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

It still fails: $ ./ffmpeg -f avfoundation -pixel_format 0rgb -framerate 25 -video_size 640x480 -i "0" -map 0:v -c copy -f rawvideo -vframes 1 /tmp/frame.0rgb ffmpeg version N-91984-gba175578d1 Copyright © 2000-2018 the FFmpeg developers built with Apple LLVM version 9.0.0 (clang-900.0.39.2) c

Re: [FFmpeg-user] Max rtbufsize Via dshow

> > If I watch my encoding performance through task manager everything is > consistent / flat at about 60% usage, until I end the recording, then it > jumps up to 100% usage for a few seconds. VRAM, RAM, CPU, GPU (3D), and > DISK are well below 50% usage throughout the entire process. > > I don't r

Re: [FFmpeg-user] Max rtbufsize Via dshow

On Fri, Sep 14, 2018 at 10:33 AM Gabriel Balaich wrote: > > Up until a few days ago I had been running two capture cards, 1x4K card and > 1x1080P card, I would encode both streams with a > GTX 1080 no dropped frames no issues. But just recently I replaced the > 1080P capture card with another 4K c

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

2018-09-19 18:24 GMT+02:00, Peter Gusev : > The issue hasn't changed. Of course not since you are testing a six-months old version. Please test current FFmpeg git head, this may have changed this week. If it still fails, please provide (complete, uncut console output and) an output frame. Carl

Re: [FFmpeg-user] text overlay will not work on rtmp stream

2018-09-19 18:46 GMT+02:00, Anthony Griffiths : > On Wed, Sep 19, 2018 at 5:04 PM, Carl Eugen Hoyos > wrote: >> 2018-09-19 17:08 GMT+02:00, Anthony Griffiths : >>> I stream video from a canopus advc100 device to a vps running nginx >>> using ffmpeg with the following command: >>> dvgrab -format dv

Re: [FFmpeg-user] text overlay will not work on rtmp stream

On Wed, Sep 19, 2018 at 5:04 PM, Carl Eugen Hoyos wrote: > 2018-09-19 17:08 GMT+02:00, Anthony Griffiths : >> I stream video from a canopus advc100 device to a vps running nginx >> using ffmpeg with the following command: >> dvgrab -format dv1 - | >> /home//Downloads/ffmpeg-git-20170817-64bit-stat

Re: [FFmpeg-user] Question about conversion (Transcoding)

On Wed, 19 Sep 2018, 17:36 JD, wrote: > > > On 09/18/2018 12:53 PM, Carl Eugen Hoyos wrote: > > 2018-09-18 18:50 GMT+02:00, JD : > >> I have an mpeg2 file which I am trying to convert to a dvd iso. > >> > >> I am using dvdauthor to do it. > >> dvdauthor says the file is not mpeg2 video compatible

Re: [FFmpeg-user] Question about conversion (Transcoding)

On 09/18/2018 12:53 PM, Carl Eugen Hoyos wrote: 2018-09-18 18:50 GMT+02:00, JD : I have an mpeg2 file which I am trying to convert to a dvd iso. I am using dvdauthor to do it. dvdauthor says the file is not mpeg2 video compatible. When I run ffprobe on the file, I get this ffprobe /usr/tmp/

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

The issue hasn't changed. Please see the full output below: $ ffmpeg -f avfoundation -pixel_format 0rgb -framerate 25 -video_size 640x480 -i "0" -map 0:v -c copy -f rawvideo -vframes 1 /tmp/frame.0rgb ffmpeg version 4.0.2 Copyright © 2000-2018 the FFmpeg developers built with Apple LLVM version

Re: [FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

2018-09-19 15:33 GMT+02:00, Peter Gusev : > Hi! > > As a part of figuring out the problem I have with ffplay > , > I noticed, that ffmpeg adds 32 bytes to raw 0rg

Re: [FFmpeg-user] text overlay will not work on rtmp stream

2018-09-19 17:08 GMT+02:00, Anthony Griffiths : > I stream video from a canopus advc100 device to a vps running nginx > using ffmpeg with the following command: > dvgrab -format dv1 - | > /home//Downloads/ffmpeg-git-20170817-64bit-static/ffmpeg > -deinterlace -f dv -i - \ > -vf > [in]drawtext="font

[FFmpeg-user] text overlay will not work on rtmp stream

I stream video from a canopus advc100 device to a vps running nginx using ffmpeg with the following command: dvgrab -format dv1 - | /home//Downloads/ffmpeg-git-20170817-64bit-static/ffmpeg -deinterlace -f dv -i - \ -vf [in]drawtext="fontfile=/home//packages/Fonts/verdana.ttf:textfile=/home//screen

[FFmpeg-user] When capturing rawvideo from camera (avfoundation), ffmpeg adds extra 32 bytes for each frame.

Hi! As a part of figuring out the problem I have with ffplay , I noticed, that ffmpeg adds 32 bytes to raw 0rgb frames when capturing from a camera (macOS 10.12)

Re: [FFmpeg-user] using loudnorm only for true-peak limiting ?

>> Hi there, >> >> I sometimes need to adjust true-peak of audio files, only for small >> corrections (from -0.7 to -1.0 for example), and leave everything else >> unchanged. As there's no dedicated true-peak limiter in ffmpeg audio filters >> (if I'm not wrong), I tried with loudnorm filter, b

Re: [FFmpeg-user] using loudnorm only for true-peak limiting ?

>> Hi there, >> >> I sometimes need to adjust true-peak of audio files, only for small >> corrections (from -0.7 to -1.0 for example), and leave everything else >> unchanged. As there's no dedicated true-peak limiter in ffmpeg audio filters >> (if I'm not wrong), I tried with loudnorm filter, b

Re: [FFmpeg-user] using loudnorm only for true-peak limiting ?

On Fri, 14 Sep 2018, Frédéric Busnel-Joncour wrote: Hi there, I sometimes need to adjust true-peak of audio files, only for small corrections (from -0.7 to -1.0 for example), and leave everything else unchanged. As there's no dedicated true-peak limiter in ffmpeg audio filters (if I'm not

Re: [FFmpeg-user] FFMPEG Symbol Lookup Error

2018-09-18 15:44 GMT+02:00, Abhijit Nathwani : > I installed FFMPEG v3.4.4 via apt-get on Ubuntu 16.04 and on running it, > I'm facing the symbol lookup error while running it. > > abhijit@AHMCPU2092:~$ ffmpeg > ffmpeg: symbol lookup error: /usr/lib/x86_64-linux-gnu/libavcodec.so.57: > undefined s

Re: [FFmpeg-user] Problems playing mjpeg stream at different bitrates

2018-09-19 8:40 GMT+02:00, Fabian Kurt : >> Feel free to check if the size of the COM tags is correct or >> wrong by several magnitudes. > > I'm new to this topic and don't know exactly what a COM marker is > used for and how it should be. Could you please provide me some > links about it and how I