New answers tagged ffmpeg
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FFmpeg setpts filter produces wrong frame number
setpts filter only retimes frames; it cannot add or drop frames.
The MP4 format is configured to require constant frame rate, and so ffmpeg's frame management (vsync) logic gets to work. This looks at ...
- 32.3k
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ffmpeg dash output for multiple resolutions to be in the same mpd file
I am using this command, to generate 2 resolution(640x360 and 1920x1080) with single file mpd.
ffmpeg -re -i naruto.mp4 -map 0 -map 0 -c:a aac
-c:v libx264
-b:v:0 300k -b:v:1 3000k -s:v:0 640x360 -s:...
- 101
1
vote
Accepted
ffmpeg error Input link parameters do not match the corresponding output link parameters
You're setting force_original_aspect_ratio to 1 (decrease) so the videos can't be assumed to be the same resolution after scale. You'll need to pad the video to a common resolution and then reset the ...
- 32.3k
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After adding subtitles the second audio track gone
If you don't use the -map options, then by ffmpeg Documentation :
ffmpeg will pick one stream, when available, from among all the inputs.
It means that it selects only one video stream, only one ...
- 1,494
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ffmpeg - how do i crop different values from top and bottom
This being the first result I got from searching, I decided to use WYSIWYG answer and write a bash script that simplifies this significantly (at least for me):
#!/bin/bash
if [[ -z $6 ]];then
...
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