include Makefile.cfg
# In deer Makefile.cfg muss mindestens das VID_GAL_DIR stehen

# Experimentieren mit Videocompression
#  Stabilisierung mit vidstab
#  Kompression mit VP9 und Konstanter Qualität

# Standardwerte

# Für eine schnelle Komprimierung
#DEFAULT_VID_CODEC = libvpx 
#DEFAULT_VID_CODEC_BITRATE = 500k
DEFAULT_VID_CODEC = libaom-av1
DEFAULT_VID_CODEC_HEIGHT = 360
DEFAULT_VID_CODEC_BITRATE = 500k
DEFAULT_VID_CODEC_CQ = 36

DEFAULT_FFMPEG = ffmpeg

# Standardwerte auf die benutzen Variablen schreiben, falls diese noch 
# nicht (z.B. aus dem Terminal heraus oder über ein IncludeCfgFile) 
# gesetzt worden sind
VID_CODEC := $(if $(VID_CODEC),$(VID_CODEC),$(DEFAULT_VID_CODEC))
VID_CODEC_HEIGHT := $(if $(VID_CODEC_HEIGHT),$(VID_CODEC_HEIGHT),$(DEFAULT_VID_CODEC_HEIGHT))
VID_CODEC_BITRATE := $(if $(VID_CODEC_BITRATE),$(VID_CODEC_BITRATE),$(DEFAULT_VID_CODEC_BITRATE))
VID_CODEC_CQ := $(if $(VID_CODEC_CQ),$(VID_CODEC_CQ),$(DEFAULT_VID_CODEC_CQ))

FFMPEG := $(if $(FFMPEG),$(FFMPEG),$(DEFAULT_FFMPEG))


# Videoquellen
ORIG_VIDS = \
	$(wildcard videos/aufnahmen/mögel/*.MP4) \
	$(wildcard videos/aufnahmen/moegel/*.MP4) \
	$(wildcard videos/aufnahmen/helko/*.mp4) \
	$(wildcard videos/aufnahmen/elly/*.mp4) \
	$(wildcard videos/aufnahmen/papaRomy/*.webm) \
	$(wildcard videos/aufnahmen/papaRomy/*.mp4)

# Targets
mkv_VIDS = $(addprefix videos/mkv/, $(addsuffix .mkv, $(basename $(notdir $(ORIG_VIDS)))))
webm_VIDS = $(addprefix videos/webm/, $(addsuffix .webm, $(basename $(notdir $(ORIG_VIDS)))))
JPEG_THMB = $(addprefix videos/thumbnails/, $(addsuffix .jpg, $(basename $(notdir $(ORIG_VIDS)))))


.PHONY: all
#all: $(JPEG_THMB) $(mkv_VIDS)
all: $(mkv_VIDS)

# Aufnahmen mit Helko
videos/mkv/%.mkv: videos/aufnahmen/helko/%.mp4
	mkdir -p videos/mkv
# Erst die Stabilisierung:
	$(FFMPEG) -i $^ \
		-filter:v vidstabdetect=shakiness=10:accuracy=15 \
		-f null \
	-
	$(FFMPEG) -i $^ \
		-filter:v vidstabtransform=smoothing=30:optzoom=2:interpol=bicubic,scale=-1:$(VID_CODEC_HEIGHT) \
		-strict experimental \
		-codec:v $(VID_CODEC) \
		-crf $(DEFAULT_VID_CODEC_CQ) \
		-b:v 0 \
		-an \
		-f matroska \
	$@
#	ffmpeg -i dummy.avi -i dummyStab.avi \
#		-filter_complex "[0:v]setpts=PTS-STARTPTS, pad=iw*2:ih[bg]; [1:v]setpts=PTS-STARTPTS[fg]; [bg][fg]overlay=w" \
#	side_by_side.avi
#	ffmpeg -i $^ \
#		-filter:v vidstabtransform=smoothing=30:optzoom=2:interpol=bicubic,scale=-1:$(VID_CODEC_HEIGHT) \
#		-codec:v $(VID_CODEC) \
#		-pass 1 \
#		-b:v $(VID_CODEC_BITRATE) \
#		-threads 1 \
#		-speed 4 \
#		-tile-columns 0 \
#		-frame-parallel 0 \
#		-g 9999 \
#		-aq-mode 0 \
#		-an \
#		-f webm \
#		-y \
#	/dev/null
#	ffmpeg -i $^ \
#		-filter:v vidstabtransform=smoothing=30:optzoom=2:interpol=bicubic,scale=-1:$(VID_CODEC_HEIGHT) \
#		-codec:v $(VID_CODEC) \
#		-pass 2 \
#		-b:v $(VID_CODEC_BITRATE) \
#		-threads 1 \
#		-speed 0 \
#		-tile-columns 0 \
#		-frame-parallel 0 \
#		-auto-alt-ref 1 \
#		-lag-in-frames 25 \
#		-g 9999 \
#		-aq-mode 0 \
#		-an \
#		-f webm \
#	$@
# Wir extperimentieren ja nur, deshalb kein Upload
#	curl \
#		--upload-file $@ \
#		--user cwsvjudo:Dee4oquu \
#		ftp://cwsvjudo.square7.net/videoalben/videoalben.2018/$(VID_GAL_DIR)/$(patsubst videos/%,%,$@) \
#		--ftp-create-dirs
#	curl \
#		--upload-file $@ \
#		--user cwsvjudo:***REMOVED*** \
#		ftp://cwsvjudo.bplaced.net/www/videoalben/videoalben.2018/$(VID_GAL_DIR)/$(patsubst videos/%,%,$@) \
#		--ftp-create-dirs


#videos/thumbnails/%.jpg: videos/webm/%.webm
#	mkdir -p videos/thumbnails
#	-ffmpeg -i "$^" -vf "select=gt(scene\,0.4)" -frames:v 5 -vsync vfr -vf fps=fps=1/600 "$@"
#	curl \
#		--upload-file "$@" \
#		--user cwsvjudo:Dee4oquu \
#		"ftp://cwsvjudo.square7.net/videoalben/videoalben.2018/$(VID_GAL_DIR)/$(patsubst videos/%,%,$@)" \
#		--ftp-create-dirs
#	curl \
#		--upload-file "$@" \
#		--user cwsvjudo:***REMOVED*** \
#		"ftp://cwsvjudo.bplaced.net/www/videoalben/videoalben.2018/$(VID_GAL_DIR)/$(patsubst videos/%,%,$@)" \
#		--ftp-create-dirs

#.PHONY: videos/thumbnails
#videos/thumbnails: $(JPEG_THMB)