All Questions
39
questions
0
votes
0
answers
852
views
I want to convert jpg image sequence in folder to mov by adding windows context menu for a folder
I am using ffmpeg code to convert the available jpg sequence to mov(Photojpg)
ffmpeg -f image2 -r 24 -start_number 1001 -i /ip/Seq/image.%04d.jpg -y -xerror -vcodec copy -r 24 /ip/Seq/movie.mov
But ...
4
votes
0
answers
2k
views
How do I extract a QuickTime text track using FFMPEG?
I have a .mov container with a QuickTime text track which QuickTime uses to display chapter markers. In the QuickTime 7 Pro User's Guide, the description for how to do this is in Editing and Authoring ...
- 425
1
vote
1
answer
627
views
Quicktime .mov - Specify a Movie Header timescale of 24000
When I run my 24fps Quicktime mov files through an FFmpeg transcode they are coming out with a Movie Header timescale of 1000, when the source file has a timescale of 24000. This low timescale value ...
- 315
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 ...
- 639
14
votes
3
answers
17k
views
Combine MOV video files
I'm on Arch Linux 4.13.10 and I'd like to combine multiple .MOV files shot with a Canon EOS camera.
I tried to convert the files to transport streams (.ts files) using FFmpeg, as shown here, but ...
- 1,350
4
votes
1
answer
4k
views
How to accurately split and combine videos with ffmpeg respecting inpoint/outpoint
I'm learning how to split and combine videos with ffmpeg. Presently I'm practicing on a 799 KB MP4, one_through_ten-timestamped.mp4, where each frame has a burnt-in "frame number" (up to frame 40, the ...
- 425
0
votes
0
answers
4k
views
How to change audio bitrate to exactly 85 Kbps and preserve video setting?
When I try to change the audio bitrate for my video, also my video output is lower than it should be. Also my output video should be in MOV format.
I tried:
./ffmpeg -i myvideo.mov.mp4 -b:a 85k ...
- 101
2
votes
1
answer
2k
views
Splitting up mp4 files with ffmpeg results in black videos
I'm trying to split a long video in mp4 format into 60 second sections:
ffmpeg -i YDXJ0028.mp4 -c copy -segment_time 60 -f segment YDXJ0028_%03d.mp4
This kind produces the segmented video files, but ...
- 2,349
2
votes
1
answer
4k
views
How can I change the language metadata with ffmpeg without converting video?
I want just to change in a MOV video the language from English to Spanish.
I'm using
ffmpeg -i in.mov -metadata:s:1:1 language=spa out.mov
I add out.mov because is mandatory, but I don't want to ...
- 21
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 ...
- 978
2
votes
2
answers
328
views
Command line way to flatten a multi-channel-audio .Mov into a single-channel-audio .Mov?
Caveat: I'm not very familiar with audio codecs and terminology, so it could be that I'm not using the correct words to describe what I want to do. I've attempted to make that clear.
I'm using ecamm'...
- 193
0
votes
0
answers
1k
views
How to fix a .mov file in hex editor from Photo Booth crash on OS X?
I was recording a ~4GB video using Photo Booth on OS X. The program terminated for some reason (unsure of whether it was computer sleep or something else).
I have a corrupted file of about 4GB in ...
- 11
3
votes
1
answer
5k
views
Lossless H.264 MP4 file created from images cannot be played in QuickTime
I'm trying to find the optimum settings for creating a .mp4 file that will load easilly both on Mac and Windows.
Right now with these settings
f image2 -pattern_type glob -i '*.png' -vcodec libx264 -...
- 2,697
58
votes
1
answer
50k
views
Why can't Quicktime play a movie file encoded by FFmpeg? [duplicate]
When I try to open a movie I just created with the command:
ffmpeg -pattern_type glob -i '*.JPG' -s 640x480 movie.mp4
I get an error from QuickTime:
The document “movie.mp4” could not be opened.
...
- 2,784
3
votes
0
answers
711
views
Why doesn't my audio work in Quicktime (but does in other players) when combining an mp3 and video file using FFmpeg?
I'm trying to denoise the audio in a video. I've determined that this isn't really possible in ffmpeg, so I've extracted the audio from the video this way.
$ ffmpeg -i found1-1.mp4 audio.mp3
$ ffmpeg ...
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