From 6b808ef8da4299e6d744a3774b1f424b4e5de88f Mon Sep 17 00:00:00 2001
From: Rudolf Polzer <divverent@xonotic.org>
Date: Thu, 20 Jun 2013 09:07:42 +0200
Subject: ildetect.sh: env vars support

---
 TOOLS/vf_dlopen/ildetect.sh | 43 +++++++++++++++++++++++++++++++++++--------
 1 file changed, 35 insertions(+), 8 deletions(-)

diff --git a/TOOLS/vf_dlopen/ildetect.sh b/TOOLS/vf_dlopen/ildetect.sh
index d5c7549e10..042756e644 100755
--- a/TOOLS/vf_dlopen/ildetect.sh
+++ b/TOOLS/vf_dlopen/ildetect.sh
@@ -9,30 +9,57 @@ case "$0" in
         ;;
 esac
 
-set -e
+: ${MPV:=mpv}
+: ${ILDETECT_MPV:=$MPV}
+: ${ILDETECT_MPV:=$MPV}
+: ${ILDETECT_MPVFLAGS:=-start 40 -end 60}
+: ${ILDETECT_DRY_RUN:=}
+: ${MAKE:=make}
 
-make -C "$MYDIR"
+# exit status:
+# 0 progressive
+# 1 telecine
+# 2 interlaced
+# 8 unknown
+# 15 compile fail
+# 16 detect fail
+# 17+ mpv's status | 16
+
+$MAKE -C "$MYDIR" ildetect.so || exit 15
 
 testfun()
 {
-    ${MPV:-mpv} "$@" \
+    $ILDETECT_MPV "$@" \
         -vf dlopen="$MYDIR/ildetect.so" \
         -o /dev/null -of rawvideo -ofopts-clr -ovc rawvideo -ovcopts-clr -no-audio \
+        $ILDETECT_MPVFLAGS \
         | tee /dev/stderr | grep "^ildetect:"
 }
 
 out=`testfun "$@"`
 case "$out" in
     *"probably: PROGRESSIVE"*)
-        ${MPV:-mpv} "$@"
+        [ -n "$ILDETECT_DRY_RUN" ] || $ILDETECT_MPV "$@"
+        r=$?
+        [ $r -eq 0 ] || exit $(($r | 16))
+        exit 0
+        ;;
+    *"probably: TELECINED"*)
+        [ -n "$ILDETECT_DRY_RUN" ] || $ILDETECT_MPV "$@" -vf-pre pullup
+        r=$?
+        [ $r -eq 0 ] || exit $(($r | 16))
+        exit 1
         ;;
     *"probably: INTERLACED"*)
-        ${MPV:-mpv} "$@" -vf-pre yadif
+        [ -n "$ILDETECT_DRY_RUN" ] || $ILDETECT_MPV "$@" -vf-pre yadif
+        r=$?
+        [ $r -eq 0 ] || exit $(($r | 16))
+        exit 2
         ;;
-    *"probably: TELECINED"*)
-        ${MPV:-mpv} "$@" -vf-pre pullup
+    *"probably: "*)
+        exit 8
         ;;
     *)
-        false
+        exit 16
         ;;
 esac
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