mirror of
https://github.com/amiaopensource/ffmprovisr.git
synced 2024-09-20 07:42:39 +02:00
104 lines
3.4 KiB
Markdown
104 lines
3.4 KiB
Markdown
|
TO DO
|
|||
|
|
|
|||
|
|
javascript for hiding form questions
|
|||
|
|
|
|||
|
|
function newQuestion(){
$question.hide();
$question.first().show();
|
|||
|
|
$form.on("click", ".new-question", function() {
|
|||
|
|
$(this).parent().parent().next().slideDown("slow");
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
ffmpeg questions and answers:
|
|||
|
|
|
|||
|
|
|
|||
|
|
Examples via http://www.catswhocode.com/blog/19-ffmpeg-commands-for-all-needs
|
|||
|
|
|
|||
|
|
|
|||
|
|
Getting infos from a video file
|
|||
|
|
ffmpeg -i video.avi
|
|||
|
|
Turn X images to a video sequence
|
|||
|
|
ffmpeg -f image2 -i image%d.jpg video.mpg
|
|||
|
|
This command will transform all the images from the current directory (named image1.jpg, image2.jpg, etc…) to a video file named video.mpg.
|
|||
|
|
|
|||
|
|
Turn a video to X images
|
|||
|
|
ffmpeg -i video.mpg image%d.jpg
|
|||
|
|
This command will generate the files named image1.jpg, image2.jpg, …
|
|||
|
|
|
|||
|
|
The following image formats are also availables : PGM, PPM, PAM, PGMYUV, JPEG, GIF, PNG, TIFF, SGI.
|
|||
|
|
|
|||
|
|
Encode a video sequence for the iPpod/iPhone
|
|||
|
|
ffmpeg -i source_video.avi input -acodec aac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X final_video.mp4
|
|||
|
|
Explanations :
|
|||
|
|
|
|||
|
|
Source : source_video.avi
|
|||
|
|
Audio codec : aac
|
|||
|
|
Audio bitrate : 128kb/s
|
|||
|
|
Video codec : mpeg4
|
|||
|
|
Video bitrate : 1200kb/s
|
|||
|
|
Video size : 320px par 180px
|
|||
|
|
Generated video : final_video.mp4
|
|||
|
|
Encode video for the PSP
|
|||
|
|
ffmpeg -i source_video.avi -b 300 -s 320x240 -vcodec xvid -ab 32 -ar 24000 -acodec aac final_video.mp4
|
|||
|
|
Explanations :
|
|||
|
|
|
|||
|
|
Source : source_video.avi
|
|||
|
|
Audio codec : aac
|
|||
|
|
Audio bitrate : 32kb/s
|
|||
|
|
Video codec : xvid
|
|||
|
|
Video bitrate : 1200kb/s
|
|||
|
|
Video size : 320px par 180px
|
|||
|
|
Generated video : final_video.mp4
|
|||
|
|
Extracting sound from a video, and save it as Mp3
|
|||
|
|
ffmpeg -i source_video.avi -vn -ar 44100 -ac 2 -ab 192 -f mp3 sound.mp3
|
|||
|
|
Explanations :
|
|||
|
|
|
|||
|
|
Source video : source_video.avi
|
|||
|
|
Audio bitrate : 192kb/s
|
|||
|
|
output format : mp3
|
|||
|
|
Generated sound : sound.mp3
|
|||
|
|
Convert a wav file to Mp3
|
|||
|
|
ffmpeg -i son_origine.avi -vn -ar 44100 -ac 2 -ab 192 -f mp3 son_final.mp3
|
|||
|
|
Convert .avi video to .mpg
|
|||
|
|
ffmpeg -i video_origine.avi video_finale.mpg
|
|||
|
|
Convert .mpg to .avi
|
|||
|
|
ffmpeg -i video_origine.mpg video_finale.avi
|
|||
|
|
Convert .avi to animated gif(uncompressed)
|
|||
|
|
ffmpeg -i video_origine.avi gif_anime.gif
|
|||
|
|
Mix a video with a sound file
|
|||
|
|
ffmpeg -i son.wav -i video_origine.avi video_finale.mpg
|
|||
|
|
Convert .avi to .flv
|
|||
|
|
ffmpeg -i video_origine.avi -ab 56 -ar 44100 -b 200 -r 15 -s 320x240 -f flv video_finale.flv
|
|||
|
|
Convert .avi to dv
|
|||
|
|
ffmpeg -i video_origine.avi -s pal -r pal -aspect 4:3 -ar 48000 -ac 2 video_finale.dv
|
|||
|
|
Or:
|
|||
|
|
|
|||
|
|
ffmpeg -i video_origine.avi -target pal-dv video_finale.dv
|
|||
|
|
Convert .avi to mpeg for dvd players
|
|||
|
|
ffmpeg -i source_video.avi -target pal-dvd -ps 2000000000 -aspect 16:9 finale_video.mpeg
|
|||
|
|
Explanations :
|
|||
|
|
|
|||
|
|
target pal-dvd : Output format
|
|||
|
|
ps 2000000000 maximum size for the output file, in bits (here, 2 Gb)
|
|||
|
|
aspect 16:9 : Widescreen
|
|||
|
|
Compress .avi to divx
|
|||
|
|
ffmpeg -i video_origine.avi -s 320x240 -vcodec msmpeg4v2 video_finale.avi
|
|||
|
|
Compress Ogg Theora to Mpeg dvd
|
|||
|
|
ffmpeg -i film_sortie_cinelerra.ogm -s 720x576 -vcodec mpeg2video -acodec mp3 film_terminée.mpg
|
|||
|
|
Compress .avi to SVCD mpeg2
|
|||
|
|
NTSC format:
|
|||
|
|
|
|||
|
|
ffmpeg -i video_origine.avi -target ntsc-svcd video_finale.mpg
|
|||
|
|
PAL format:
|
|||
|
|
|
|||
|
|
ffmpeg -i video_origine.avi -target pal-svcd video_finale.mpg
|
|||
|
|
Compress .avi to VCD mpeg2
|
|||
|
|
NTSC format:
|
|||
|
|
|
|||
|
|
ffmpeg -i video_origine.avi -target ntsc-vcd video_finale.mpg
|
|||
|
|
PAL format:
|
|||
|
|
|
|||
|
|
ffmpeg -i video_origine.avi -target pal-vcd video_finale.mpg
|
|||
|
|
Multi-pass encoding with ffmpeg
|
|||
|
|
ffmpeg -i fichierentree -pass 2 -passlogfile ffmpeg2pass fichiersortie-2
|