tests/lavfi-regression.sh

   1 #!/bin/sh
   2 #
   3 # automatic regression test for libavfilter
   4 #
   5 #
   6 #set -x
   7
   8 set -e
   9
  10 . $(dirname $0)/regression-funcs.sh
  11
  12 eval do_$test=y
  13
  14 rm -f "$logfile"
  15 rm -f "$benchfile"
  16
  17 get_common_elements() (
  18     for elt1 in $1; do
  19         for elt2 in $2; do
  20             [ $elt1 = $elt2 ] && res="$res $elt1 "
  21         done
  22     done
  23
  24     echo $res
  25 )
  26
  27 # Returns the elements present in $1 but not in $2.
  28 get_exclusive_elements() (
  29     for elt1 in $1; do
  30         common=""
  31         for elt2 in $2; do
  32             [ $elt1 = $elt2 ] && common="true" && break;
  33         done
  34         [ -z "$common" ] && res="$res $elt1"
  35     done
  36
  37     echo $res
  38 )
  39
  40 do_lavfi() {
  41     vfilters="slicify=random,$2"
  42
  43     if [ $test = $1 ] ; then
  44         do_video_encoding ${test}.nut "" "-vcodec rawvideo -vf $vfilters"
  45     fi
  46 }
  47
  48 do_lavfi "crop"               "crop=100:100"
  49 do_lavfi "crop_scale"         "crop=100:100,scale=400:-1"
  50 do_lavfi "crop_scale_vflip"   "null,null,crop=200:200,crop=20:20,scale=200:200,scale=250:250,vflip,vflip,null,scale=200:200,crop=100:100,vflip,scale=200:200,null,vflip,crop=100:100,null"
  51 do_lavfi "crop_vflip"         "crop=100:100,vflip"
  52 do_lavfi "null"               "null"
  53 do_lavfi "scale200"           "scale=200:200"
  54 do_lavfi "scale500"           "scale=500:500"
  55 do_lavfi "vflip"              "vflip"
  56 do_lavfi "vflip_crop"         "vflip,crop=100:100"
  57 do_lavfi "vflip_vflip"        "vflip,vflip"
  58
  59 # all these filters have exactly one input and exactly one output
  60 filters_args="
  61 crop=100:100:100:100
  62 null
  63 pad=500:400:20:20
  64 scale=200:100
  65 vflip
  66 "
  67
  68 if [ -n "$do_pixfmts_be" ] || [ -n "$do_pixfmts_le" ]; then
  69     # exclude pixel formats which are not supported as input
  70     excluded_pix_fmts="$(ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^\..\.' | cut -d' ' -f2)"
  71
  72     scale_out_pix_fmts=$(tools/lavfi-showfiltfmts scale | grep "^OUTPUT" | cut -d: -f2)
  73     scale_out_pix_fmts=$(get_exclusive_elements "$scale_out_pix_fmts" "$excluded_pix_fmts")
  74
  75     for filter_args in $filters_args; do
  76         filter=$(echo $filter_args | sed -e 's/\([^=]\+\)=.*/\1/')
  77         in_pix_fmts=$(tools/lavfi-showfiltfmts $filter | grep "^INPUT" | cut -d: -f2)
  78         pix_fmts=$(get_common_elements "$in_pix_fmts" "$scale_out_pix_fmts")
  79
  80         for pix_fmt in $pix_fmts; do
  81             do_video_encoding "${pix_fmt}-${filter}.nut" "" \
  82                 "-vf slicify=random,format=$pix_fmt,$filter_args -vcodec rawvideo -pix_fmt $pix_fmt"
  83         done
  84     done
  85 fi
  86
  87 if [ -n "$do_pixdesc_be" ] || [ -n "$do_pixdesc_le" ]; then
  88     pix_fmts="$($ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^IO' | cut -d' ' -f2)"
  89     for pix_fmt in $pix_fmts; do
  90         output=lavfi_pixdesc-${pix_fmt}.nut
  91         do_video_encoding $output "" \
  92             "-vf slicify=random,format=$pix_fmt,pixdesctest -vcodec rawvideo -pix_fmt $pix_fmt"
  93         rm ${outfile}${output}
  94     done
  95 fi
  96
  97 # TODO: add tests for
  98 # direct rendering,
  99 # chains with feedback loops