1#!/bin/sh
2#
3# automatic regression test for libavfilter
4#
5#
6#set -x
7
8set -e
9
10. $(dirname $0)/regression-funcs.sh
11
12eval do_$test=y
13
14do_video_filter() {
15    label=$1
16    filters=$2
17    shift 2
18    printf '%-20s' $label
19    run_avconv $DEC_OPTS -f image2 -vcodec pgmyuv -i $raw_src    \
20        $ENC_OPTS -vf "$filters" -vcodec rawvideo $* -f nut md5:
21}
22
23do_lavfi() {
24    vfilters="slicify=random,$2"
25
26    if [ $test = $1 ] ; then
27        do_video_filter $test "$vfilters"
28    fi
29}
30
31do_lavfi "crop"               "crop=iw-100:ih-100:100:100"
32do_lavfi "crop_scale"         "crop=iw-100:ih-100:100:100,scale=400:-1"
33do_lavfi "crop_scale_vflip"   "null,null,crop=iw-200:ih-200:200:200,crop=iw-20:ih-20:20:20,scale=200:200,scale=250:250,vflip,vflip,null,scale=200:200,crop=iw-100:ih-100:100:100,vflip,scale=200:200,null,vflip,crop=iw-100:ih-100:100:100,null"
34do_lavfi "crop_vflip"         "crop=iw-100:ih-100:100:100,vflip"
35do_lavfi "null"               "null"
36do_lavfi "scale200"           "scale=200:200"
37do_lavfi "scale500"           "scale=500:500"
38do_lavfi "vflip"              "vflip"
39do_lavfi "vflip_crop"         "vflip,crop=iw-100:ih-100:100:100"
40do_lavfi "vflip_vflip"        "vflip,vflip"
41
42do_lavfi_pixfmts(){
43    test ${test%_[bl]e} = pixfmts_$1 || return 0
44    filter=$1
45    filter_args=$2
46
47    showfiltfmts="$target_exec $target_path/tools/lavfi-showfiltfmts"
48    exclude_fmts=${outfile}${1}_exclude_fmts
49    out_fmts=${outfile}${1}_out_fmts
50
51    # exclude pixel formats which are not supported as input
52    $avconv -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^\..\.' | cut -d' ' -f2 | sort >$exclude_fmts
53    $showfiltfmts scale | awk -F '[ \r]' '/^OUTPUT/{ print $3 }' | sort | comm -23 - $exclude_fmts >$out_fmts
54
55    pix_fmts=$($showfiltfmts $filter | awk -F '[ \r]' '/^INPUT/{ print $3 }' | sort | comm -12 - $out_fmts)
56    for pix_fmt in $pix_fmts; do
57        do_video_filter $pix_fmt "slicify=random,format=$pix_fmt,$filter=$filter_args" -pix_fmt $pix_fmt
58    done
59
60    rm $exclude_fmts $out_fmts
61}
62
63# all these filters have exactly one input and exactly one output
64do_lavfi_pixfmts "copy"    ""
65do_lavfi_pixfmts "crop"    "100:100:100:100"
66do_lavfi_pixfmts "hflip"   ""
67do_lavfi_pixfmts "null"    ""
68do_lavfi_pixfmts "pad"     "500:400:20:20"
69do_lavfi_pixfmts "scale"   "200:100"
70do_lavfi_pixfmts "vflip"   ""
71
72if [ -n "$do_pixdesc" ]; then
73    pix_fmts="$($avconv -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^IO' | cut -d' ' -f2 | sort)"
74    for pix_fmt in $pix_fmts; do
75        do_video_filter $pix_fmt "slicify=random,format=$pix_fmt,pixdesctest" -pix_fmt $pix_fmt
76    done
77fi
78
79# TODO: add tests for
80# direct rendering,
81# chains with feedback loops
82