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reading the instructions but not finding the command line I need.
ffmpeg -i file000.png -r 24 output.mpg
fails.
needs something like that.
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Using ffmpeg to convert a set of images into a video
ffmpeg -r 60 -f image2 -s 1920x1080 -i pic%04d.png -vcodec libx264 -crf 25
-pix_fmt yuv420p test.mp4
Specifying start and end frames
ffmpeg -r 60 -f image2 -s 1920x1080 -start_number 1 -i pic%04d.png -vframes 1000
-vcodec libx264 -crf 25 -pix_fmt yuv420p test.mp4
okay thats completely heinous, heh. cool?
https://hamelot.io/visualization/using-ffmpeg-to-convert-a-set-of-images-into-a-video/
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working command lines. issue, command line doesn't run from a batch file.
"Could find no file with path 'legomb.bat3d.png' and index in the range 0-4"
ffmpeg -r 8 -f image2 -s 640x366 -i legom%03d.png -vcodec libx264 -crf 25
-pix_fmt yuv420p legom.mp4
REM ImageMagick
REM This works on command line ONLY, run from b.bat, uses "b.bat" in the name
!?!? temp\legomb.bat3d.png
convert -resize 640x366 c:\ftp\dempov\kauai\starliner\*.png temp\legom%03d.png"
1meg small size mpeg with: -crf 25
smaller number is better.
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#local d = 4 * (1/20);
#if (fr > 178) #declare speed = _clamp(speed-d,0,4); #end
// I cant believe I wrote that expecting it to work, and it did.
// how did that work? it had to remember from last frame?
evidence of remembering a var from past frame?
or twilight zone? ever been there?
saw speed go to 0 by frame 200 in the vid!?!?!
that was the only line to change speed value of 4.
// everything else expects it to start over. like this
#if (fr > 178) #declare speed = _clamp(4 - 4 * ((fr-178)/20),0,4);
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for that line to work,
it means that the next frame had to ignore the initial value of 4.
/////// Cam1 Control \\\\\\\\
#declare speed = 4;
unquote
which could potentially mix up increments depending on that initial global
value. am I wrong?
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slowly gaining control on the plane's matrix.
I never wrote a flight sim before, nuts.
got auto pilot of sorts. less trial and error guessing at input values for
decent rate, with elevation and fame number u want to be there.
#if (fr > 145) #declare attack = abs(grav) / speed; // level flight
#local lift = (attack) * speed; // to get anywhere, set exact vector/lift
#local lift = lift - (campos.y-.64)/(230 - fr); #end
so new test grav and speed values, change nothing.
seems futile for the model's pitch to get counted, attack angle is calculated,
then maybe model's pitch could follow, incrementally, I was thinking.
here it went smoothTrans cam2 to cam1. then I wanted to roll over and have him
wave ... this could take forever.
someday, slow things down for 5000 frames, and better machine.
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Attachments:
Download 'legom.mp4.mpg' (392 KB)
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