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stackoverflow lied to me

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byte[] 2020-05-27 12:31:31 -04:00
parent 7b36f99c09
commit 51518e8f02
1 changed files with 6 additions and 2 deletions
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8
lib/philomena/processors/webm.ex
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@ -136,11 +136,11 @@ defmodule Philomena.Processors.Webm do
{webm, mp4}
end
defp scale_gif(file, palette, _duration, {width, height}) do
defp scale_gif(file, palette, duration, {width, height}) do
gif = Briefly.create!(extname: ".gif")
scale_filter = "scale=w=#{width}:h=#{height}:force_original_aspect_ratio=decrease"
palette_filter = "paletteuse=dither=bayer:bayer_scale=5:diff_mode=rectangle"
rate_filter = "setpts=N/TB/2"
rate_filter = rate_filter(duration)
filter_graph = "[0:v]#{scale_filter},#{rate_filter}[x];[x][1:v]#{palette_filter}"
{_output, 0} =
@ -189,4 +189,8 @@ defmodule Philomena.Processors.Webm do
{new_width, new_height}
end
# Avoid division by zero
def rate_filter(duration) when duration > 0.5, do: "fps=1/#{duration / 10},settb=1/2,setpts=N"
def rate_filter(duration), do: "setpts=N/TB/2"
end