blob: d5562038f5f62b509406fb5da0787590749e3490 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#!/bin/sh
# See LICENSE file for copyright and license details.
set -e
usage () {
printf 'usage %s: [-t time] [-y] in-file out-file\n' "$0" >&2
exit 1
}
ffmpeg_flag_y=
ss=10
while getopts t:y flag; do
case "$flag" in
t)
ss="${OPTARG}";;
y)
ffmpeg_flag_y=-y;;
?)
usage;;
esac
done
shift $(( ${OPTIND} - 1 ))
if test ! $# = 2; then
usage
fi
in_file="$1"
if test -z "${in_file}"; then
usage
fi
out_file="$2"
if test -z "${out_file}"; then
usage
fi
ffmpeg -i "${in_file}" -ss "${ss}" -update 1 -frames:v 1 -c:v png -f image2pipe - | \
ffmpeg -f image2pipe -i - -i "${in_file}" -map 0:v:0 -map 1:a:0 -c:v png ${ffmpeg_flag_y} -- "${out_file}"
|
