PeerStreamer

#!/bin/sh

#

# automatic regression test for libavfilter

#

#

#set -x

set -e

. $(dirname $0)/regression-funcs.sh

eval do_$test=y

rm -f "$logfile"

rm -f "$benchfile"

get_common_elements() (

    for elt1 in $1; do

        for elt2 in $2; do

            [ $elt1 = $elt2 ] && res="$res $elt1 "

        done

    done

    echo $res

)

# Returns the elements present in $1 but not in $2.

get_exclusive_elements() (

    for elt1 in $1; do

        common=""

        for elt2 in $2; do

            [ $elt1 = $elt2 ] && common="true" && break;

        done

        [ -z "$common" ] && res="$res $elt1"

    done

    echo $res

)

do_lavfi() {

    test_name=$1

    eval test=\$do_$test_name

    vfilters="slicify=random,$2"

    if [ -n "$test" ] ; then

        do_video_encoding ${test_name}.nut "" "-vcodec rawvideo -vf $vfilters"

    fi

}

do_lavfi "crop"               "crop=100:100"

do_lavfi "crop_scale"         "crop=100:100,scale=400:-1"

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"

do_lavfi "crop_vflip"         "crop=100:100,vflip"

do_lavfi "null"               "null"

do_lavfi "scale200"           "scale=200:200"

do_lavfi "scale500"           "scale=500:500"

do_lavfi "vflip"              "vflip"

do_lavfi "vflip_crop"         "vflip,crop=100:100"

do_lavfi "vflip_vflip"        "vflip,vflip"

# all these filters have exactly one input and exactly one output

filters_args="

crop=100:100:100:100

null

pad=500:400:20:20

scale=200:100

vflip

"

if [ -n "$do_lavfi_pix_fmts" ]; then

    # exclude pixel formats which are not supported as input

    excluded_pix_fmts="$(ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^\..\.' | cut -d' ' -f2)"

    scale_out_pix_fmts=$(tools/lavfi-showfiltfmts scale | grep "^OUTPUT" | cut -d: -f2)

    scale_out_pix_fmts=$(get_exclusive_elements "$scale_out_pix_fmts" "$excluded_pix_fmts")

    for filter_args in $filters_args; do

        filter=$(echo $filter_args | sed -e 's/\([^=]\+\)=.*/\1/')

        in_pix_fmts=$(tools/lavfi-showfiltfmts $filter | grep "^INPUT" | cut -d: -f2)

        pix_fmts=$(get_common_elements "$in_pix_fmts" "$scale_out_pix_fmts")

        for pix_fmt in $pix_fmts; do

            do_video_encoding "${pix_fmt}-${filter}.nut" "" \

                "-vf slicify=random,format=$pix_fmt,$filter_args -vcodec rawvideo -pix_fmt $pix_fmt"

        done

    done

fi

if [ -n "$do_lavfi_pixdesc" ]; then

    pix_fmts="$($ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^IO' | cut -d' ' -f2)"

    ref_file=tests/ref/lavfi/lavfi_pixdesc

    rm -f $ref_file

    res_file=$logfile

    for pix_fmt in $pix_fmts; do

        # print to the reference logfile

        logfile=$ref_file

        do_video_encoding "lavfi_pixdesc-${pix_fmt}.nut" "" \

            "-vf slicify=random,format=$pix_fmt -vcodec rawvideo -pix_fmt $pix_fmt"

        # print to the result logfile

        logfile=$res_file

        do_video_encoding "lavfi_pixdesc-${pix_fmt}.nut" "" \

            "-vf slicify=random,format=$pix_fmt,pixdesctest -vcodec rawvideo -pix_fmt $pix_fmt"

    done

fi

# TODO: add tests for

# direct rendering,

# chains with feedback loops

rm -f "$bench" "$bench2"