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ffmpeg / tests / lavfi-regression.sh @ 42bc7c8a

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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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get_common_elements() (
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    for elt1 in $1; do
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        for elt2 in $2; do
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            [ $elt1 = $elt2 ] && res="$res $elt1 "
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        done
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    done
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    echo $res
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)
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# Returns the elements present in $1 but not in $2.
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get_exclusive_elements() (
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    for elt1 in $1; do
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        common=""
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        for elt2 in $2; do
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            [ $elt1 = $elt2 ] && common="true" && break;
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        done
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        [ -z "$common" ] && res="$res $elt1"
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    done
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    echo $res
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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_encoding ${test}.nut "" "-vcodec rawvideo -vf $vfilters"
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    fi
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}
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do_lavfi "crop"               "crop=100:100"
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do_lavfi "crop_scale"         "crop=100:100,scale=400:-1"
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do_lavfi "crop_scale_vflip"   "null,null,crop=200:200,crop=20:20,scale=200:200,scale=250:250,vflip,vflip,null,scale=200:200,crop=100:100,vflip,scale=200:200,null,vflip,crop=100:100,null"
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do_lavfi "crop_vflip"         "crop=100:100,vflip"
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do_lavfi "null"               "null"
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do_lavfi "scale200"           "scale=200:200"
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do_lavfi "scale500"           "scale=500:500"
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do_lavfi "vflip"              "vflip"
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do_lavfi "vflip_crop"         "vflip,crop=100:100"
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do_lavfi "vflip_vflip"        "vflip,vflip"
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# all these filters have exactly one input and exactly one output
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filters_args="
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crop=100:100:100:100
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null
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pad=500:400:20:20
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scale=200:100
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vflip
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"
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if [ -n "$do_pixfmts" ]; then
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    # exclude pixel formats which are not supported as input
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    excluded_pix_fmts="$(ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^\..\.' | cut -d' ' -f2)"
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    scale_out_pix_fmts=$(tools/lavfi-showfiltfmts scale | grep "^OUTPUT" | cut -d: -f2)
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    scale_out_pix_fmts=$(get_exclusive_elements "$scale_out_pix_fmts" "$excluded_pix_fmts")
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    for filter_args in $filters_args; do
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        filter=$(echo $filter_args | sed -e 's/\([^=]\+\)=.*/\1/')
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        in_pix_fmts=$(tools/lavfi-showfiltfmts $filter | grep "^INPUT" | cut -d: -f2)
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        pix_fmts=$(get_common_elements "$in_pix_fmts" "$scale_out_pix_fmts")
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        for pix_fmt in $pix_fmts; do
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            do_video_encoding "${pix_fmt}-${filter}.nut" "" \
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                "-vf slicify=random,format=$pix_fmt,$filter_args -vcodec rawvideo -pix_fmt $pix_fmt"
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        done
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    done
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fi
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if [ -n "$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)"
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    for pix_fmt in $pix_fmts; do
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        output=lavfi_pixdesc-${pix_fmt}.nut
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        do_video_encoding $output "" \
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            "-vf slicify=random,format=$pix_fmt,pixdesctest -vcodec rawvideo -pix_fmt $pix_fmt"
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        rm ${outfile}${output}
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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