All Questions
5
questions
1
vote
1
answer
1k
views
ffmpeg stuck in generating thumbnail of video
I'm currently writing a script to create thumbnails of videos in a folder, but as soon as ffmpeg hits a .mov video, it gets stuck. The videos were taken on an iphone at 4k 60fps and can be played back ...
5
votes
1
answer
11k
views
Re-encode 4K video to H.265/HEVC with FFmpeg for playback in QuickTime
I have a one hour 4K video which was weighing in at 10 GB. I thought I'd try re-encoding to HEVC using FFmpeg to try to save space, something I hadn't tried before.
However, I switched the container ...
0
votes
1
answer
3k
views
QuickTime can't play mp4 generated by ffmpeg without converting first
I've created a .mkv file from a DVD using MakeMKV that I've then converted to .mp4 using ffmpeg:
ffmpeg -i title00.mkv -c copy -c:s copy output.mp4
Now when I try opening the .mp4 file using ...
1
vote
0
answers
690
views
what is missing in this ffmpeg statement to create a working video conversion
I want to convert videos to a format that my camera reads with ffmpeg.
I have some sample videos from the camera and analyzed them with
mplayer -frames 0 -identify DSCN0001.mov
and with
ffprobe ...
1
vote
2
answers
4k
views
ffmpeg - creating DNxHD MFX files with alphas
I'm struggling with something in FFMpeg at the moment...
I'm trying to make DNxHD 1080p/24, 36Mb/s MXF files from a sequence of PNG files.
My current command-line is:
ffmpeg -y -f image2 -i /tmp/...