1 files changed, 64 insertions, 0 deletions
diff --git a/tests/lavfi-regression.sh b/tests/lavfi-regression.sh
new file mode 100755
index 0000000000..b455b81474
--- /dev/null
+++ b/tests/lavfi-regression.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+#
+# automatic regression test for libavfilter
+#
+#
+#set -x
+
+#FIXME the whole file should be removed
+
+set -e
+
+. $(dirname $0)/regression-funcs.sh
+
+eval do_$test=y
+
+do_video_filter() {
+    label=$1
+    filters="$2"
+    shift 2
+    printf '%-20s' $label
+    run_avconv $DEC_OPTS -f image2 -vcodec pgmyuv -i $raw_src    \
+        $ENC_OPTS -vf "$filters" -vcodec rawvideo $* -f nut md5:
+}
+
+do_lavfi_pixfmts(){
+    testname=$1;
+    test ${test%_[bl]e} = $testname || return 0
+    filter=$2
+    filter_args=$3
+    prefilter_chain=$4
+
+    showfiltfmts="$target_exec $target_path/libavfilter/filtfmts-test"
+    scale_exclude_fmts=${outfile}${testname}_scale_exclude_fmts
+    scale_in_fmts=${outfile}${testname}_scale_in_fmts
+    scale_out_fmts=${outfile}${testname}_scale_out_fmts
+    in_fmts=${outfile}${testname}_in_fmts
+
+    # exclude pixel formats which are not supported as input
+    $showfiltfmts scale | awk -F '[ \r]' '/^INPUT/{ fmt=substr($3, 5); print fmt }' | sort >$scale_in_fmts
+    $showfiltfmts scale | awk -F '[ \r]' '/^OUTPUT/{ fmt=substr($3, 5); print fmt }' | sort >$scale_out_fmts
+    comm -12 $scale_in_fmts $scale_out_fmts >$scale_exclude_fmts
+
+    $showfiltfmts $filter | awk -F '[ \r]' '/^INPUT/{ fmt=substr($3, 5); print fmt }' | sort >$in_fmts
+    pix_fmts=$(comm -12 $scale_exclude_fmts $in_fmts)
+
+    for pix_fmt in $pix_fmts; do
+        do_video_filter $pix_fmt "${prefilter_chain}format=$pix_fmt,$filter=$filter_args" -pix_fmt $pix_fmt
+    done
+
+    rm $in_fmts $scale_in_fmts $scale_out_fmts $scale_exclude_fmts
+}
+
+# all these filters have exactly one input and exactly one output
+do_lavfi_pixfmts "field"               "field"   "bottom"
+do_lavfi_pixfmts "histeq"              "histeq"  "antibanding=strong"
+do_lavfi_pixfmts "il"                  "il"      "luma_mode=d:chroma_mode=d:alpha_mode=d"
+do_lavfi_pixfmts "kerndeint"           "kerndeint" "" "tinterlace=interleave_top,"
+do_lavfi_pixfmts "pixfmts_super2xsai"  "super2xsai"
+do_lavfi_pixfmts "tinterlace_merge"    "tinterlace" "merge"
+do_lavfi_pixfmts "tinterlace_pad"      "tinterlace" "pad"
+
+# TODO: add tests for
+# direct rendering,
+# chains with feedback loops