安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- How do I set up and use FFmpeg in Windows?
FFmpeg is indeed a powerful video encoder decoder tool¹ It operates in the command line, as opposed to using a GUI Command line is that black window you find by typing [windows+r], then cmd in the popup field and hitting enter This is also called "command prompt" Once setup, you enter FFmpeg commands in one of these windows to use it Here are the basic steps to "install" and use it
- video - Where can I learn ffmpeg? - Stack Overflow
I really want to get more into video audio encoding and decoding, and I’ve heard that ffmpeg is a good tool, but I can’t find any good tutorials for it Does anyone know a good way to learn it?
- Using ffmpeg to change framerate - Stack Overflow
I am trying to convert a video clip (MP4, yuv420p) from 30 fps to 24 fps The number of frames is correct so my output should change from 20 minutes at 30fps to 25 minutes at 24fps Everything else
- Retrieving and Saving media metadata using FFmpeg
I combine bash, ffmpeg, sed to write to a file only the basic metadata information that interests me: file type and name, title (s), video-, audio- and subtitlestreams details
- Fix bad files and streams with ffmpeg so VLC and other players would . . .
Doing ffmpeg -i input mp4 output mp4 didn't fix it, but converting to avi did, showing thumbnail and correct resolution Instead of avi we can change the codec with -c:v mpeg4 to fix it also I tried -c:v libx264 but didn't work since it already was that codec So it seems the only way to fix it is to switch codec format then switch back
- GPU-accelerated video processing with ffmpeg - Stack Overflow
I want to use ffmpeg to accelerate video encode and decode with an NVIDIA GPU From NVIDIA's website: NVIDIA GPUs contain one or more hardware-based decoder and encoder (s) (separate from the CUDA cores) which provides fully-accelerated hardware-based video decoding and encoding for several popular codecs
- Cutting multimedia files based on start and end time using ffmpeg
I tried to cut the video using the start and end time of the video by using the following command: ffmpeg -ss 00:00:03 -t 00:00:08 -i movie mp4 -acodec copy -vcodec copy -async 1 cut mp4 By using
- How to create a video from images with FFmpeg? [closed]
ffmpeg -f concat -i in txt -framerate 1 -i orig audio ogg -c:v libx264 -c:a copy -shortest -r 30 -pix_fmt yuv420p black mp4 I also like that that approach with file names in a file is nicer than having to rename the input files to have the correct order, which makes it easier to quickly reorder images on a text editor (multiple -i did not work)
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