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osak
materials
Commits
b32d635a
Commit
b32d635a
authored
13 years ago
by
Milan Santosi
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why not learn something and try to do it right?
Signed-off-by:
Milan Santosi
<
milan.santosi@gmail.com
>
parent
b6182e9c
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kiss/ffmpeg_splitter.sh
+19
-6
19 additions, 6 deletions
kiss/ffmpeg_splitter.sh
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and
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b32d635a
#!/bin/bash
#
very
dirty script to split a video into 15 minutes parts with ten
# dirty
little
script to split a video into 15 minutes parts with ten
# seconds overlap (for upload to youtube)
# USAGE: read comments and adjust where necessary, then:
...
...
@@ -15,10 +15,23 @@ bname=${fname%%.*} # the file basename
ext
=
${
fname
#*.
}
# the file extension
for
i
in
{
1..5
}
# Naive assumption that no video is longer than
# 5*15=75min. Please adjust!
do
ffmpeg
-vcodec
copy
-acodec
copy
-ss
$[
i
*
890 - 890]
-t
899.999
-i
$1
$bname
-part0
$i
.
$ext
done
# to avoid async a/v, re-encode with every frame as keyframe
if
test
-f
$bname
-keyframes
.
$ext
then
:
else
ffmpeg
-g
1
-i
$1
$bname
-keyframes
.
$ext
fi
# get length and calculate amount of segments
let
vidlen
=
$(
ffprobe
-show_format
$1
|
grep
duration |
cut
-d
"."
-f
1 |
cut
-d
"="
-f
2
)
+1
let
segcount
=
$vidlen
/890
# loop until it's done
for
((
i
=
1
;
i <
=
$segcount
;
i++
))
do
ffmpeg
-vcodec
copy
-acodec
copy
-ss
$[
i
*
890 - 890]
-t
899.999
-i
$bname
-keyframes
.
$ext
$bname
-part0
$i
.
$ext
done
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