Mostly I want to get rid of doing manual steps. Could be one track mp2 only or up to 5 tracks (multilanguage) with a mixture of ac3 and mp2 (after manually retrieving audio channels and bitrates) The zoompan filter takes a z expression that is evaluated for each frame to. For example, to zoom in on an image: ffmpeg -i in.jpg -filtercomplex 'zoompanzzoom+0.002:d254:s1280x800' -pixfmt yuv420p -c:v libx264 out.mp4. FFMpeg has a zoompan filter that does exactly this. Using the original audio tracks with amplification, using original bit rates and codecs despite varying amount of tracks and codecs used. Let’s start with the basics: applying a zoom effect to an image.Cropping it to remove black bars on top and the sides and applying a 16:9 ratio for my TV (well after manually detecting crop settings).Compressing it to H.264 (Nvidia HW) and placing it in a.Removing commercials (via MCEBuddy and comskip).Then throw that in your ffmpeg command when converting it. This will output a bunch of values - the one you’ll be interested in is: crop1920:1072:320:186. What I typically try to achieve and I have no idea, if I can achieve this somehow via nf:įfmpeg -i “Pitch Black - Planet der Finsternis.ts” -map 0:v -c:v h264_nvenc -vf “crop=1280:544:0:88” -aspect 16:9 -crf 16 -qmin 16 -qmax 26 -f mpegts -map 0:a -c:a:0 ac3 -b:a:0 448k -c:a:1 ac3 -b:a:1 192k -c:a:2 ac3 -b:a:2 192k -af “dynaudnorm=p=1:m=50:s=0:g=11” -map 0:s:1 -scodec copy output_crop.ts -y Run this command with your video file: ffplay -i input.mp4 -vf cropdetect. Well since others have mentioned their favorite alternatives to plain ffmpeg for this task, Ill just mention Avidemux. If not, could I make it a feature request Is there a way to tell MCE buddy how to use cropdetection? For instance after how many seconds and for how long? So this is some kind of prove that it is possible using ffmpeg.įfplay -ss 600 -i “Singh Is Bling.ts” -vf “cropdetect=24:16:0”įfplay -ss 600 -i “Singh Is Bling.ts” -vf “crop=704:448:10:58” (in this example) I used a test video of 576p (1024 X 576) so after cropping it became 1088 X 432. Thread Tools Display Thread 26th May 2021 06:44 1 Wizard Member May 2021 I tried cropdetect and then cropped using values provided by it. Indeed, that could be during a commercial break, which I would not want to consider, as it is cut anyhow.īut using command line ffmpeg for cropdetection seems to work as I would want it to. How to crop Black Bars using FFmpeg while keeping the standard width.
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