
How do I set up and use FFmpeg in Windows?
To update FFmpeg, just revisit the download page in step 1 above and download the zip file. Unpack the files and copy them over the old files in the folder you created in step 2. Using FFmpeg. Using FFmpeg requires that you open a command prompt window, then type FFmpeg specific commands. Here is a typical FFmpeg command:
albumart - How to add album art with ffmpeg? - Stack Overflow
2013年9月10日 · I've already researched and Googled this issue but haven't found a solution yet. The ffmpeg documentation recommends this script to add image (album art) to mp3: ffmpeg -i input.mp3 -i cover.png -c copy -map 0 -map 1 -metadata:s:v title="Album cover" -metadata:s:v comment="Cover (Front)" out.mp3 But it doesn't work. My console output is:
Fix bad files and streams with ffmpeg so VLC and other players …
2016年4月22日 · I've tested lot of solutions and software. I love cli commands, so using ffmpeg you can fix your video file with no hassle. Try the next command if you came here searching some useful fix: ffmpeg -vcodec mpeg4 -b:v 7561k -qscale:v 2 -acodec aac -ac 2 -async 1 -strict experimental ./video_fixed.mp4 -threads 0 -i damage_file.mp4 Good luck 😃!
ffdshow - FFmpeg dshow device format list - Stack Overflow
2017年9月27日 · ffmpeg -list_devices true -f dshow -i dummy and device options . ffmpeg -f dshow -list_options true -i video="MY_DSHOW_DEVICE_NAME" But I am not able to get format list, like on Linux via v4l2. How can I get supported format list …
FFMPEG: crop a video without losing the quality
2015年10月28日 · ffmpeg -i input -vf "crop=480:270:200:100" -c:v libx264 -crf 17 -c:a copy ouput.mp4 See FFmpeg Wiki: H.264 Video Encoding Guide for more info. Use a bitstream filter. The h264_metadata and hevc_metadata bitstream filters can set crop dimensions without modifying the video itself. Note: Your player may not support this method. Example for H.264 ...
video - How to use FFMpeg -timestamp syntax - Stack Overflow
2005年7月7日 · ffMpeg -timstamp option works likes upper image? 07:21:54 07/07/05 white text in black box container. in ubuntu 12.04 typed the excute like this. ffmpeg -y -f video4linux2 -s vga -r 30 -fs 1M -i /dev/video0 -timestamp now -copyts ./USB1_Test_vga.mp4 but it doesn't work. is there any other option for display video recorded time?
recording from webcam using ffmpeg at high framerate
@Zorglub29 Try to stream copy it and then later re-encode to your desired output format at your leisure: ffmpeg -f v4l2 -framerate 90 -video_size 1280x720 -input_format mjpeg -i /dev/video1 -c copy mjpeg.mkv then something like ffmpeg -i mjpeg.mkv -c:v libx264 -crf 23 -preset medium -pix_fmt yuv420p out.mkv Also, your ffmpeg is old and I ...
Text on video ffmpeg - Stack Overflow
2013年7月12日 · The "ffmpeg" tag is only allowed for programmatic use of the ffmpeg API - Questions about the command-line use should be asked on Super-user or Video-production. – Top-Master Commented Apr 22, 2023 at 7:25
FFmpeg, how to embed cover art (image) to .m4a - aac
ffmpeg -i input.m4a -i image.jpg -map 0 -map 1 -c copy -disposition:v:1 attached_pic output.m4a Tested with ffmpeg 4.2.2. A similar command is also given as an example in the ffmpeg docs, however be careful that the example is for adding covers to videos but not audio files.
How to remove one track from video file using ffmpeg?
ffmpeg -i input -map 0 -map -0:a:3 -map -0:a:6 -c copy output Remove all subtitles and data ffmpeg -i input -map 0 -map -0:s -map -0:d -c copy output Only include video and audio. This example does not need to use any negative mapping. ffmpeg -i input -map 0:v -map 0:a -c copy output Removing other stream / track types