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ffmpeg / tests / lavfi-regression.sh @ f4b1e21a

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#!/bin/sh
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#
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# automatic regression test for libavfilter
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#
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#
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#set -x
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set -e
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. $(dirname $0)/regression-funcs.sh
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eval do_$test=y
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rm -f "$logfile"
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rm -f "$benchfile"
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do_video_filter() {
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    label=$1
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    filters=$2
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    shift 2
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    printf '%-20s' $label >>$logfile
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    run_ffmpeg -f image2 -vcodec pgmyuv -i $raw_src    \
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        -vf "$filters" -vcodec rawvideo $* -f nut md5: >>$logfile
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}
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do_lavfi() {
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    vfilters="slicify=random,$2"
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    if [ $test = $1 ] ; then
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        do_video_filter $test "$vfilters"
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    fi
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}
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do_lavfi "crop"               "crop=iw-100:ih-100:100:100"
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do_lavfi "crop_scale"         "crop=iw-100:ih-100:100:100,scale=400:-1"
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do_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"
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do_lavfi "crop_vflip"         "crop=iw-100:ih-100:100:100,vflip"
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do_lavfi "null"               "null"
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do_lavfi "scale200"           "scale=200:200"
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do_lavfi "scale500"           "scale=500:500"
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do_lavfi "vflip"              "vflip"
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do_lavfi "vflip_crop"         "vflip,crop=iw-100:ih-100:100:100"
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do_lavfi "vflip_vflip"        "vflip,vflip"
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do_lavfi_pixfmts(){
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    test ${test%_[bl]e} = pixfmts_$1 || return 0
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    filter=$1
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    filter_args=$2
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    showfiltfmts="$target_exec $target_path/tools/lavfi-showfiltfmts"
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    exclude_fmts=${outfile}${1}_exclude_fmts
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    out_fmts=${outfile}${1}_out_fmts
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    # exclude pixel formats which are not supported as input
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    $ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^\..\.' | cut -d' ' -f2 | sort >$exclude_fmts
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    $showfiltfmts scale | awk -F '[ \r]' '/^OUTPUT/{ print $3 }' | sort | comm -23 - $exclude_fmts >$out_fmts
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    pix_fmts=$($showfiltfmts $filter | awk -F '[ \r]' '/^INPUT/{ print $3 }' | sort | comm -12 - $out_fmts)
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    for pix_fmt in $pix_fmts; do
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        do_video_filter $pix_fmt "slicify=random,format=$pix_fmt,$filter=$filter_args" -pix_fmt $pix_fmt
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    done
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    rm $exclude_fmts $out_fmts
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}
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# all these filters have exactly one input and exactly one output
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do_lavfi_pixfmts "copy"    ""
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do_lavfi_pixfmts "crop"    "100:100:100:100"
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do_lavfi_pixfmts "hflip"   ""
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do_lavfi_pixfmts "null"    ""
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do_lavfi_pixfmts "pad"     "500:400:20:20"
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do_lavfi_pixfmts "scale"   "200:100"
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do_lavfi_pixfmts "vflip"   ""
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if [ -n "$do_pixdesc_be" ] || [ -n "$do_pixdesc_le" ]; then
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    pix_fmts="$($ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^IO' | cut -d' ' -f2 | sort)"
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    for pix_fmt in $pix_fmts; do
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        do_video_filter $pix_fmt "slicify=random,format=$pix_fmt,pixdesctest" -pix_fmt $pix_fmt
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    done
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fi
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# TODO: add tests for
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# direct rendering,
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# chains with feedback loops