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Merge pull request #1187 from anowacki/movie-compatibility

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Animations: improve movie compatibility when using ffmpeg
This commit is contained in:
Michael Krabbe Borregaard 2017-10-25 11:44:03 +02:00 committed by GitHub
commit a691d5c7e8
1 changed files with 12 additions and 7 deletions
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19
src/animation.jl
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@ -61,18 +61,23 @@ end
file_extension(fn) = Base.Filesystem.splitext(fn)[2][2:end]
gif(anim::Animation, fn = giffn(); kw...) = buildanimation(anim.dir, fn; kw...)
mov(anim::Animation, fn = movfn(); kw...) = buildanimation(anim.dir, fn; kw...)
mp4(anim::Animation, fn = mp4fn(); kw...) = buildanimation(anim.dir, fn; kw...)
mov(anim::Animation, fn = movfn(); kw...) = buildanimation(anim.dir, fn, false; kw...)
mp4(anim::Animation, fn = mp4fn(); kw...) = buildanimation(anim.dir, fn, false; kw...)
function buildanimation(animdir::AbstractString, fn::AbstractString;
function buildanimation(animdir::AbstractString, fn::AbstractString,
is_animated_gif::Bool=true;
fps::Integer = 20, loop::Integer = 0)
fn = abspath(fn)
# generate a colorpalette first so ffmpeg does not have to guess it
run(`ffmpeg -v 0 -i $(animdir)/%06d.png -vf palettegen -y palette.png`)
# then apply the palette to get better results
run(`ffmpeg -v 0 -framerate $fps -loop $loop -i $(animdir)/%06d.png -i palette.png -lavfi paletteuse -y $fn`)
if is_animated_gif
# generate a colorpalette first so ffmpeg does not have to guess it
run(`ffmpeg -v 0 -i $(animdir)/%06d.png -vf palettegen -y palette.png`)
# then apply the palette to get better results
run(`ffmpeg -v 0 -framerate $fps -loop $loop -i $(animdir)/%06d.png -i palette.png -lavfi paletteuse -y $fn`)
else
run(`ffmpeg -v 0 -framerate $fps -loop $loop -i $(animdir)/%06d.png -pix_fmt yuv420p -y $fn`)
end
info("Saved animation to ", fn)
AnimatedGif(fn)