Skip to main content

All 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 ...
user6121419's user avatar
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 ...
rgov's user avatar
  • 639
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 ...
Oskar Persson's user avatar
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 ...
erik's user avatar
  • 1,978
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/...
Hugh's user avatar
  • 1,211