mpv/TOOLS/vf_dlopen/ildetect.sh

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#!/bin/sh
case "$0" in
*/*)
MYDIR=${0%/*}
;;
*)
MYDIR=.
;;
esac
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: ${MPV:=mpv}
: ${ILDETECT_MPV:=$MPV}
: ${ILDETECT_MPV:=$MPV}
: ${ILDETECT_MPVFLAGS:=--start=35% --length=35}
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: ${ILDETECT_DRY_RUN:=}
: ${ILDETECT_QUIET:=}
: ${ILDETECT_RUN_INTERLACED_ONLY:=}
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: ${MAKE:=make}
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# exit status:
# 0 progressive
# 1 telecine
# 2 interlaced
# 8 unknown
# 15 compile fail
# 16 detect fail
# 17+ mpv's status | 16
$MAKE -C "$MYDIR" ildetect.so || exit 15
testfun()
{
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$ILDETECT_MPV "$@" \
--vf=dlopen="$MYDIR/ildetect.so" \
--o= --vo=null --no-audio --untimed \
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$ILDETECT_MPVFLAGS \
| { if [ -n "$ILDETECT_QUIET" ]; then cat; else tee /dev/stderr; fi } \
| grep "^ildetect:"
}
out=`testfun "$@"`
case "$out" in
*"probably: PROGRESSIVE"*)
[ -n "$ILDETECT_DRY_RUN" ] || \
[ -n "$ILDETECT_RUN_INTERLACED_ONLY" ] || \
$ILDETECT_MPV "$@"
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r=$?
[ $r -eq 0 ] || exit $(($r | 16))
exit 0
;;
*"probably: TELECINED"*)
out2=`ILDETECT_MPVFLAGS="$ILDETECT_MPVFLAGS --vf-pre=pullup,scale" testfun "$@"`
case "$out2" in
*"probably: TELECINED"*|*"probably: INTERLACED"*)
[ -n "$ILDETECT_DRY_RUN" ] || \
$ILDETECT_MPV "$@" -vf-pre yadif
r=$?
[ $r -eq 0 ] || exit $(($r | 16))
exit 2
;;
*)
[ -n "$ILDETECT_DRY_RUN" ] || \
$ILDETECT_MPV "$@" -vf-pre pullup
r=$?
[ $r -eq 0 ] || exit $(($r | 16))
exit 1
;;
esac
;;
*"probably: INTERLACED"*)
[ -n "$ILDETECT_DRY_RUN" ] || \
$ILDETECT_MPV "$@" -vf-pre yadif
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r=$?
[ $r -eq 0 ] || exit $(($r | 16))
exit 2
;;
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*"probably: "*)
exit 8
;;
*)
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exit 16
;;
esac