- buffer
 
- Buffer video frames, and make them available to the filter chain.
 
- cellauto
 
- Create a pattern generated by an elementary cellular automaton.
 
- mandelbrot
 
- Generate a Mandelbrot set fractal, and progressively zoom towards the point specified with start_x and start_y.
 
- mptestsrc
 
- Generate various test patterns, as generated by the MPlayer test filter.
 
- frei0r_src
 
- Provide a frei0r source.
 
- life
 
- Generate a life pattern.
 
- color
 
- The color source provides an uniformly colored input.
 
- haldclutsrc
 
- The haldclutsrc source provides an identity Hald CLUT.
 
- nullsrc
 
- The nullsrc source returns unprocessed video frames.
 
- rgbtestsrc
 
- The rgbtestsrc source generates an RGB test pattern useful for
            detecting RGB vs BGR issues.
 
- smptebars
 
- The smptebars source generates a color bars pattern, based on
            the SMPTE Engineering Guideline EG 1-1990.
 
- smptehdbars
 
- The smptehdbars source generates a color bars pattern, based on
            the SMPTE RP 219-2002.
 
- testsrc
 
- The testsrc source generates a test video pattern, showing a
            color pattern, a scrolling gradient and a timestamp.