All Questions
7 questions
1
vote
0
answers
185
views
Is there some way to losslessly "cut off" from the beginning and/or end in an .mp4 file?
First of all, yes, I know that .mp4 videos are lossy.
Many of them contain annoying unwanted stuff in the beginning or end, which I neither want to see nor want to take up storage space on my disks.
...
- 21
0
votes
1
answer
347
views
How can I add watermark and set the output bitrate and video size, also doing bulk using ffmpeg?
I was able to add watermark to multiple video using
for %%a in ("*.ts") do ffmpeg -i "%%a" -i logoCopy.png -filter_complex "overlay=main_w-overlay_w-40:40" "Logo\%%~na.mp4"
And now I'm trying to ...
- 27
1
vote
1
answer
531
views
How can I remove the first 30 second of 40 min video and add watermark also doing bulk using ffmpeg?
I was able to add watermark to multiple video using
for %%a in ("*.ts") do ffmpeg -i "%%a" -i logoCopy.png -filter_complex "overlay=main_w-overlay_w-40:40" "Logo\%%~na.mp4"
And now I'm trying to ...
- 27
3
votes
1
answer
6k
views
ffmpeg - concatenating two MP4 files results in bad output file
I generated two MP4 files - a five-second intro file, which is created by the script below, and the main video (about one minute long) is created by screen-cast-omatic, both in MP4 format. When I ...
- 41
1
vote
2
answers
5k
views
Sound out of sync after merging multiple mp4 files with Avidemux
I am trying to join (merge) two or more .mp4 files together, without re-encoding.
Here is what I did:
Started Avidemux 2.5.5.
With File->Open, selected Input1.mp4.
I received this message - "H.264 ...
- 603
4
votes
1
answer
3k
views
What tools should I use to edit H.264 MP4 GoPro videos?
I have recorded videos using a GoPro, which produces MP4 files containing H.264 encoded videos.
I would like to do some simple editing tasks on these videos without losing quality:-
Cut various ...
- 156
6
votes
2
answers
16k
views
change mp4 `ftyp` from `isom` to `mp42`
Will I be able to change the ftyp of an mp4 file?
I have two mp4 files and placed it unto media info to see what is the difference. The other mp4 plays on my SanDisk Sansa Fuze device while the other ...
- 576