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FFMPEG ?= ffmpeg
FFMPEG += -v warning $(FFMPEGFLAGS)
OPUSENC ?= opusenc
ZOPFLIPNG ?= zopflipng
JPEGOPTIM ?= jpegoptim
CWEBP ?= cwebp
CONVERT ?= convert
DUMP ?= www/dump
all: video audio images
# === VIDEO ===
VIDEO := $(wildcard $(DUMP)/video/*.mkv)
MP4 := $(patsubst %.mkv,%.mp4,$(VIDEO))
WEBM := $(patsubst %.mkv,%.webm,$(VIDEO))
OGV := $(patsubst %.mkv,%.ogv,$(VIDEO))
CVIDEO := $(MP4) $(WEBM) $(OGV)
video: $(CVIDEO)
%.mp4: %.mkv
$(FFMPEG) -i $< -c:v libx264 -preset slower -tune animation -c:a libfdk_aac $@
%.webm: %.mkv
$(FFMPEG) -i $< -c:v libvpx -crf 15 -b:v 1M -c:a copy $@
%.ogv: %.mkv
$(FFMPEG) -i $< -c:v libtheora -qscale:v 6 -c:a copy $@
# === AUDIO ===
AUDIO := $(shell find $(DUMP)/bgm $(DUMP)/sfx -name '*.ogg')
OPUS := $(patsubst %.ogg,%.opus,$(AUDIO))
M4A := $(patsubst %.ogg,%.m4a,$(AUDIO))
CAUDIO := $(OPUS) $(M4A)
audio: $(CAUDIO)
%.wav: %.ogg
$(FFMPEG) -i $< -c:a pcm_s16le $@
%.opus: %.wav
$(OPUSENC) --bitrate 64 $< $@
%.m4a: %.wav
$(FFMPEG) -i $< -c:a libfdk_aac -vbr 2 $@
# === IMAGES ===
PNG := $(shell find $(DUMP) -name '*.png')
JPG := $(shell find $(DUMP) -name '*.jpg')
WEBP := $(patsubst %.png,%.webp,$(PNG)) \
$(patsubst %.jpg,%.webp,$(JPG))
images: $(WEBP) favicon.ico
%.webp: %.png
$(ZOPFLIPNG) -m -y $< $<
$(CWEBP) -q 99 -m 6 $< -o $@
%.webp: %.jpg
$(JPEGOPTIM) --strip-all $<
$(CWEBP) -q 90 -m 6 $< -o $@
www/favicon.ico: www/dump/ui/icon.png
$(CONVERT) $< -resize 256x256 -transparent white $@
clean:
$(RM) $(CVIDEO) $(CAUDIO) $(WEBP)
.PHONY: video audio images clean
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