Overlaying images on a video | FFMPEG
FFmpeg is a software tool that allows users to record, convert, and stream audio and video files. It's like a Swiss Army knife for audio and video files – it can do a lot of different things with them.
Imagine that you have a video file on your computer and you want to watch it on your phone. However, the video file is too large to send over text or email, and your phone doesn't support the file format. This is where FFmpeg comes in. You can use FFmpeg to convert the video file into a format that your phone can play, and then transfer the converted file to your phone.
FFmpeg can also be used to extract audio from a video file, add watermarks or text overlays to a video, and even create a video from a series of images. It's a versatile tool that is used by a wide range of people, from video editors to web developers to amateur videographers.
Overlaying an image on top of a video means placing the image on top of the video in a way that allows both the image and the video to be seen at the same time. The image is usually transparent, so that the video can be seen through the image. This is often used to add logos, watermarks, or text to a video.
To overlay an image on a video using FFmpeg, you can use the overlay filter. For example, the following command will overlay an image (image.png) on top of a video (input.mp4) at position (x=10, y=10) and save the result as a new video file (output.mp4):
ffmpeg -i input.mp4 -i image.png -filter_complex "overlay=10:10" output.mp4
You can also use the -vf option to specify the overlay filter, like this:
ffmpeg -i input.mp4 -i image.png -vf "overlay=10:10" output.mp4
You can adjust the position of the image by changing the values of x and y. You can also use the -preset option to specify the position of the image using preset values such as top-left, top, bottom, etc. For example:
ffmpeg -i input.mp4 -i image.png -filter_complex "overlay=10:10" -preset bottom-right output.mp4
But in the video while I am explaining, I used the following command:
ffmpeg -i input.mp4 -i image.png -filter_complex "[0:v][1:v] overlay=50:50:enable='between(t,0,20)'" -pix_fmt yuv420p -c:a copy output.mp4
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