+oneline(){
+ printf '%s\n' "$1" | diff -u -b - "$2"
+}
+
+run(){
+ test "${V:-0}" -gt 0 && echo "$target_exec" $target_path/"$@" >&3
+ $target_exec $target_path/"$@"
+}
+
+probefmt(){
+ run avprobe -show_format_entry format_name -v 0 "$@"
+}
+
+probestream(){
+ run avprobe -show_stream_entry "$1" -v 0 "$2"
+}
+
+avconv(){
+ dec_opts="-hwaccel $hwaccel -threads $threads -thread_type $thread_type"
+ avconv_args="-nostats -cpuflags $cpuflags"
+ for arg in $@; do
+ [ x${arg} = x-i ] && avconv_args="${avconv_args} ${dec_opts}"
+ avconv_args="${avconv_args} ${arg}"
+ done
+ run avconv ${avconv_args}
+}
+
+framecrc(){
+ avconv "$@" -f framecrc -
+}
+
+framemd5(){
+ avconv "$@" -f framemd5 -
+}
+
+crc(){
+ avconv "$@" -f crc -
+}
+
+md5(){
+ avconv "$@" md5:
+}
+
+pcm(){
+ avconv "$@" -vn -f s16le -
+}
+
+enc_dec_pcm(){
+ out_fmt=$1
+ dec_fmt=$2
+ pcm_fmt=$3
+ src_file=$(target_path $4)
+ shift 4
+ encfile="${outdir}/${test}.${out_fmt}"
+ cleanfiles=$encfile
+ encfile=$(target_path ${encfile})
+ avconv -i $src_file "$@" -f $out_fmt -y ${encfile} || return
+ avconv -f $out_fmt -i ${encfile} -c:a pcm_${pcm_fmt} -f ${dec_fmt} -
+}
+
+FLAGS="-flags +bitexact -sws_flags +accurate_rnd+bitexact -fflags +bitexact"
+DEC_OPTS="-threads $threads -idct simple $FLAGS"
+ENC_OPTS="-threads 1 -idct simple -dct fastint"
+
+enc_dec(){
+ src_fmt=$1
+ srcfile=$2
+ enc_fmt=$3
+ enc_opt=$4
+ dec_fmt=$5
+ dec_opt=$6
+ encfile="${outdir}/${test}.${enc_fmt}"
+ decfile="${outdir}/${test}.out.${dec_fmt}"
+ cleanfiles="$cleanfiles $decfile"
+ test "$7" = -keep || cleanfiles="$cleanfiles $encfile"
+ tsrcfile=$(target_path $srcfile)
+ tencfile=$(target_path $encfile)
+ tdecfile=$(target_path $decfile)
+ avconv -f $src_fmt $DEC_OPTS -i $tsrcfile $ENC_OPTS $enc_opt $FLAGS \
+ -f $enc_fmt -y $tencfile || return
+ do_md5sum $encfile
+ echo $(wc -c $encfile)
+ avconv $DEC_OPTS -i $tencfile $ENC_OPTS $dec_opt $FLAGS \
+ -f $dec_fmt -y $tdecfile || return
+ do_md5sum $decfile
+ tests/tiny_psnr $srcfile $decfile $cmp_unit $cmp_shift
+}
+
+lavftest(){
+ t="${test#lavf-}"
+ ref=${base}/ref/lavf/$t
+ ${base}/lavf-regression.sh $t lavf tests/vsynth1 "$target_exec" "$target_path" "$threads" "$thread_type" "$cpuflags"
+}
+
+video_filter(){
+ filters=$1
+ shift
+ label=${test#filter-}
+ raw_src="${target_path}/tests/vsynth1/%02d.pgm"
+ printf '%-20s' $label
+ avconv $DEC_OPTS -f image2 -c:v pgmyuv -i $raw_src \
+ $FLAGS $ENC_OPTS -vf "$filters" -c:v rawvideo -frames:v 5 $* -f nut md5:
+}
+
+pixfmts(){
+ filter=${test#filter-pixfmts-}
+ filter_args=$1
+
+ showfiltfmts="$target_exec $target_path/libavfilter/tests/filtfmts"
+ exclude_fmts=${outfile}${filter}_exclude_fmts
+ out_fmts=${outfile}${filter}_out_fmts
+
+ # exclude pixel formats which are not supported as input
+ avconv -pix_fmts list 2>/dev/null | awk 'NR > 8 && /^\..\./ { print $2 }' | sort >$exclude_fmts
+ $showfiltfmts scale | awk -F '[ \r]' '/^OUTPUT/{ print $3 }' | sort | comm -23 - $exclude_fmts >$out_fmts
+
+ pix_fmts=$($showfiltfmts $filter | awk -F '[ \r]' '/^INPUT/{ print $3 }' | sort | comm -12 - $out_fmts)
+
+ outertest=$test
+ for pix_fmt in $pix_fmts; do
+ test=$pix_fmt
+ video_filter "format=$pix_fmt,$filter=$filter_args" -pix_fmt $pix_fmt -frames:v 1
+ done
+
+ rm $exclude_fmts $out_fmts
+ test=$outertest
+}
+
+null(){
+ :
+}