I have seen this question about applying noise using FFMPEG on video
I have seen the video of Megamind.avi and it noisy version Megamind_bugy.avi
I want to apply the same noise on my list of video as well
I need help, I need the command to get the same noise, I'm using ffmpeg in ubuntu
thank you
Related
I have a video I'm trying to make for a dumb joke. The input video stream could be anything, but in my case it's an image file that I'm adding audio to. I want to apply a screen shake effect/earthquake effect to the video to make it a bit more dramatic. Is there a simple way to do this with ffmpeg? I know ffmpeg can do a lot, but at a certain point it gets a bit impractical to do everything in ffmpeg.
I have many old computer generated videos in mp4 at very low resolution 640x480.
Here an example:
I have tried to upscale it with IA but still a lot of aliasing.
I ask if there is a way to apply a anti-aliasing filter with ffmpeg or other tools to my videos.
Thanks !
give a try to hqx filter or xbr filter
I want to blur part of live stream conditionally in realtime with ffmpeg.
I read about zeromq filter, but the output of ffmpeg -filters says that boxblur filter doesn't support commands. For example, I want to blur the bottom half of the video then after some time disable blur then blur all video.
How can I achieve this?
I have a video and few images. I know two places in the video where I want to paste these images. But they shouldn't have fixed position and size. On the contrary, images should move, change their tilt angle and scale. For example you may imagine closed book and you want to overlay its name when the book is slowly opens.
I read FFMPEG documentation but didn't found anything about this. Can FFMPEG do this? If not, which libraries or methodics can do that?
The FFMPEG overlay filter can overlay one stream atop another.
It takes an expression which is evaluated per frame to determine the position.
https://ffmpeg.org/ffmpeg-filters.html#overlay-1
You may consider creating a filter chain to do the following.
1) Create a transparent image with the title of your book.
2) Use a 3D rotate filter to convert the single image into an animated sequence
3) Use the overlay filter to apply the animated stream atop your book video.
I am looking through the docs for ffmpeg and am having a hard time finding my way around.
Is there a way to add blurring to a video for a specific range in the video.
Example: a 1 minute video. I want to blur seconds 30-35.
Is this possible and if so what does the command look like?