Although the hue filter has a saturation variable, FFmpeg also has another filter called vibrance which is used to adjust the color intensity. Both filters give slightly different saturation effects but each has its place. In this example, all colors are boosted in the video, as seen in figure 59.0: A specific color can also […]
Read MoreThis question was asked on the FFmpeg Discord. For some reason the person pinged me to answer it so I took a stab at it. Here was the request: @jdriselvato Hey, I’ve got a question if something is even possible. I want to do. but for multiple seek times and output names (those I guess […]
Read MoreTurning a video to black and white is also accomplished by using the hue filter. Setting the saturation value to 0 results in a black and white video, as seen in figure 58.0: Challenge: In addition to changing the video to black and white, add a grain filter to make the video look vintage.
Read MoreThe hue filter allows for modification of the hue and saturation of a video. In the example below, the hue is set to 45 degrees with an increased saturation, as seen in figure 57.0: The hue filter also has framing and time parameters that allow for great effects like animating through hue colors quickly. Expressions […]
Read MoreThe color balance filter allows the RGB shadows, midtones, highlights and preserving lightness can be adjusted. This filter can be used to apply very custom color grading or used to create trippy color changes. In this example, the green shadows are increase and the blue highlights are maxed out, as seen in figure 56.0: Tip: […]
Read MoreThe use of a green screen is the most common way to add a subject to a scene in video production. By setting the scene at the purest green (not commonly found in nature) objects can interact on the green screen while computer generation can replace a new image in the background. With FFmpeg, this […]
Read MoreNormalization is a color correction filter that standardizes the RGB values in each frame of a video. With the use of histogram and contrast stretching, FFmpeg can quickly fix issues like rapid brightness changes and flickering. Below is an example of normalization at the highest strength: Tip: If this filter is applied to an MP4, […]
Read MoreBlending has an interesting effect when two inputs are used. The blend filter has the potential to create outstanding artistic results, so let’s try it out. Tip: In order to blend two files, they must contain the same resolution. blending two videos In this example, using the difference filter applied to both video inputs gives […]
Read MoreUsing concat with a txt file has one catch, all the MP4s must have the exact codec, framerate, resolution, etc. An example text file is shown below (file.txt): Then run the following command to load the txt file to create a single file from the list: But how can you join multiple MP4 files that […]
Read MoreLooping a section of a video can be useful for presentations or advanced video editing. In this example the input.mp4 is a 5 minute long video with the requirement that after the 1 minute mark, the video will loop 10 times. In the requirements for this example, it was stated after the 1 minute mark […]
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