PonyMirrors/philomena
1
0
Fork 0
mirror of https://github.com/philomena-dev/philomena.git synced 2024-11-23 20:18:00 +01:00
Code Issues Projects Releases Packages Wiki Activity

add workaround for broken gif seeking in ffmpeg

Browse source
This commit is contained in:
byte[] 2020-05-02 02:12:54 -04:00
parent 56ad635154
commit 7cfb390e05
1 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
lib/philomena/processors/gif.ex
View file

@ -35,8 +35,12 @@ defmodule Philomena.Processors.Gif do
end end
defp preview(duration, file) do defp preview(duration, file) do
h264_equiv = Briefly.create!(extname: ".mp4")
preview = Briefly.create!(extname: ".png") preview = Briefly.create!(extname: ".png")
# Hack workaround for broken FFmpeg behavior which
# cannot correctly seek in GIF image files
{_output, 0} = {_output, 0} =
System.cmd("ffmpeg", [ System.cmd("ffmpeg", [
"-loglevel", "-loglevel",
@ -44,6 +48,18 @@ defmodule Philomena.Processors.Gif do
"-y", "-y",
"-i", "-i",
file, file,
"-c:v",
"libx264",
h264_equiv
])
{_output, 0} =
System.cmd("ffmpeg", [
"-loglevel",
"0",
"-y",
"-i",
h264_equiv,
"-ss", "-ss",
to_string(duration / 2), to_string(duration / 2),
"-frames:v", "-frames:v",