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Nullsrc Null video source, never return images.

Slicify Pass the images of input video on to next video filter as multiīuffer Buffer video frames, and make them accessible to the filterchaiĬolor Provide an uniformly colored input, syntax is: [color[:size[:ra Scale Scale the input video to width:height size and/or convert the i Pixdesctest Test pixel format definitions. Pad Pad input image to width:height] (default x and y: Null Pass the source unchanged to the output. Noformat Force libavfilter not to use any of the specified pixel formats Run FFmpeg filters as follows: Filters:Īnull Pass the source unchanged to the output.Ĭrop Crop the input video to x:y:width:height.įifo Buffer input images and send them when they are requested.įormat Convert the input video to one of the specified pixel formats.

Second, I got the mistake: No such filter: 'rotate'Īs far as I know, I have a full option build of FFmpeg. First, - vfilters no longer exist, now it's just - vf. From what I see, it should look like this: ffmpeg -vfilters "rotate=90" -i input.mp4 output.mp4īut I can't make it work. I know how to use it MediaInfo (great library, by the way) determine the current rotation angle, but now I'm stuck with FFmpeg.Īccording to my reading, you need to use the vfilter option. I've been trying to figure out how to rotate video using FFmpeg.