dry_run=0
SED=sed
-FFMPEG_OPTS="-hide_banner -loglevel error -y"
+
+F_FMT="%04d"
+
+# When reading a file line by line, if a command inside the loop
+# also reads stdin, it can exhaust the input file.
+# -nostdin: disable ffmpeg interaction on standard input:
+FFMPEG_OPTS="-hide_banner -loglevel error -y -nostdin"
# -limit memory 5000mb -limit disk 5gb
IM_OPS=""
echo "${token}"
}
-# Arg1: line
+# Arg1: label
function get_frame_id()
{
- frame=$(echo "${1}" | grep -e "label:[0-9]\+" | ${SED} "s/.*label:\([0-9]\+\).*,geometry.*/\1/g")
- echo "${frame}"
+ local token
+ token=$(echo "${1}" | grep -e "^[0-9]\+" | ${SED} "s/^\([0-9]\+\).*/\1/g")
+ echo "${token}"
}
# Arg1: line
echo "${token}"
}
-# Arg1: line
+# Arg1: label
function get_group_id()
{
- group=$(echo "${1}" | grep -e "label:groupe.*" | ${SED} "s/.*label:groupe-\(.*\),geometry.*/\1/g")
- echo "${group}"
+ local token
+ token=$(echo "${1}" | grep -e "^groupe" | ${SED} "s/^groupe-\(.*\)/\1/g")
+ echo "${token}"
}
-# Get duplicate from. Ex: "label:dup1-7 planXYZ,geometry..." will return 1
-# Arg1: line
+# Arg1: group name
+function get_group_ref()
+{
+ local token
+ token=$(echo "${1}" | grep -e "^ref" | ${SED} "s/^\(ref\).*/\1/g")
+ echo "${token}"
+}
+
+# Get duplicate from. Ex: "dup1-7 planXYZ,geometry..." will return 1
+# Arg1: label
function get_dup_from()
{
- dup=$(echo "${1}" | grep -e "label:dup.*" | ${SED} "s/.*label:dup\([0-9]\+\)-.*,geometry.*/\1/g")
- echo "${dup}"
+ local token
+ token=$(echo "${1}" | grep -e "^dup" | ${SED} "s/^dup\([0-9]\+\)-.*/\1/g")
+ echo "${token}"
}
-# Get duplicate to. Ex: "label:dup1-7 planXYZ,geometry..." will return 7
-# Arg1: line
+# Get duplicate to. Ex: "dup1-7 planXYZ,geometry..." will return 7
+# Arg1: label
function get_dup_to()
{
- dup=$(echo "${1}" | grep -e "label:dup.*" | ${SED} "s/.*label:dup[0-9]\+-\([0-9]\+\).*,geometry.*/\1/g")
- echo "${dup}"
+ local token
+ token=$(echo "${1}" | grep -e "^dup" | ${SED} "s/^dup[0-9]\+-\([0-9]\+\).*/\1/g")
+ echo "${token}"
+}
+
+# Generate frame index name with leading zeroes:
+# Arg1: frame number
+function get_frame_name()
+{
+ local index
+
+ index=$(printf "${F_FMT}" ${1})
+ echo "${dest}/${group}-f${index}.png"
+}
+
+# Arg1: start frame
+# Arg1: end frame
+function insert_empty_frames()
+{
+ local w
+ local start
+ local end
+ local wfname
+
+ start=${1}
+ end=${2}
+
+ for w in $(seq ${start} ${end}); do
+ log_dbg "New frame ID: ${w} (empty)"
+
+ wfname=$(get_frame_name ${w})
+
+ cp ${dest}/background.png ${wfname}
+ done
}
function generate_video()
{
+ local png_files
+
if which ffmpeg 1> /dev/null 2>&1; then
- if [ -f ${dest}/${group}-f1.png ]; then
- if [ ${dry_run} -eq 0 ]; then
- # Conversion vidéo:
- ffmpeg ${FFMPEG_OPTS} -r ${fps} -start_number 1 -i ${dest}/${group}-f%d.png ${dest}/${group}.mp4
+ set +e
+ png_files=$(ls ${dest}/${group}-f*.png 2> /dev/null)
+ set -e
+
+ if [ x"${png_files}" != x"" ]; then
+ log_dbg "generate_video start"
+ if [ ${dry_run} -eq 1 ]; then
+ touch ${dest}/${group}.mp4
+ else
+ ffmpeg ${FFMPEG_OPTS} -r ${fps} -pattern_type glob -i "${dest}/${group}-f*.png" ${dest}/${group}.mp4
fi
+
+ log_dbg "generate_video: end"
fi
fi
}
# Remove background line:
${SED} -i -e /label:${bg_layer_name},.*/d ${layers}
- # Remove reference lines:
- ${SED} -i -e /label:${ref_layer_prefix}.*/d ${layers}
-
# Create background frame:
convert -size ${size} xc:none ${dest}/background.png
nf=""
oldnf=""
files=""
- group=""
+ group="default"
while read l; do
scene=$(get_scene_id "${l}")
label=$(get_label "${l}")
p=$(get_pos "${l}")
- nf=$(get_frame_id "${l}")
- ng=$(get_group_id "${l}")
- dup_from=$(get_dup_from "${l}")
- dup_to=$(get_dup_to "${l}")
+ nf=$(get_frame_id "${label}")
+ ng=$(get_group_id "${label}")
+ dup_from=$(get_dup_from "${label}")
+ dup_to=$(get_dup_to "${label}")
# Also indicate a new frame, but to be copied from..to:
if [ x"${dup_from}" != x"" ]; then
nf=${dup_from}
fi
+ log_dbg "Layer ${scene}"
+ log_dbg " nom: ${label}"
+ log_dbg " pos: ${p}"
+
+ group_ref=$(get_group_ref "${group}")
+ log_dbg " group_ref: ${group_ref}"
+
# Only change group if ng is set...
if [ x"${ng}" != x"" ]; then
- generate_video
+ if [ x"${group_ref}" != x"ref" ]; then
+ generate_video
+ fi
group="${ng}"
log_dbg "New group: ${ng}"
continue
fi
- log_dbg "Layer ${scene}"
- log_dbg " nom: ${label}"
- log_dbg " pos: ${p}"
+ if [ x"${group_ref}" != x"" ]; then
+ # Ignore all images in groupe-ref:
+ log_dbg " ignore (groupe-ref)"
+ continue
+ fi
files="${files} -page ${p} ${src}[${scene}]"
expected_nf=$((${oldnf} + 1))
if [ ${expected_nf} -ne ${nf} ]; then
- echo "Error: invalid frame sequence: ${nf}"
+ echo "Warning: non-sequential frame sequence: ${nf}"
echo " previous: ${oldnf}"
echo " expected: ${expected_nf}"
- files=""
- continue
+ insert_empty_frames ${expected_nf} $((${nf} -1))
fi
fi
log_dbg "New frame ID: ${nf}"
+ fname=$(get_frame_name ${nf})
+
if [ ${dry_run} -eq 1 ]; then
- touch ${dest}/${group}-f${nf}.png
+ touch ${fname}
else
convert -colorspace sRGB -page +0+0 ${dest}/background.png \
${files} -background none -layers merge \
- ${dest}/${group}-f${nf}.png
+ ${fname}
fi
if [ x"${dup_from}" != x"" ]; then
for w in $(seq ${dup_start} ${dup_to}); do
log_dbg "New frame ID: ${w} (duplicate)"
+ wfname=$(get_frame_name ${w})
+
# Use symlink???
- cp ${dest}/${group}-f${nf}.png ${dest}/${group}-f${w}.png
+ cp ${fname} ${wfname}
+
+ nf=${w}
done
fi
projects / fgen.git / blobdiff