Elliott Balsley (2018-07-23): > Ah, I figured it out! It works in ffmpeg, not in ffplay.
ffplay can only play one input. But you can have two streams in a single lavfi definition. ffplay -f lavfi 'testsrc[out0];sine[out1]' > Now is > there any way to make the sine filter output 24bit? No. sine uses bit-exact integer arithmetic that would overflow for larger numbers, and using a larger type would make it slower. Why would you want 24 bits for that anyway? > > On Jul 23, 2018, at 2:02 PM, Elliott Balsley <[email protected]> > > wrote: Please remember that top-posting is forbidden on this list; if you do not know what it means, look it up. > > ffplay -f lavfi -i testsrc=s=1920x1080 -i sine=frequency=800 This command also has the flaw of forgetting "-f lavfi" for the second input; it would not have worked with ffmpeg for that reason, but you fixed it. Regards, -- Nicolas George
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