図書館逃避行用 Makefile RC

Makefile

# Makefile for 図書館逃避行

# Variables supplied from the command line or another Makefile, by `make -f
# Makefile.another`.
TITLE ?= 東京都ダミー区ダミー図書館
OUTPUT ?= ./a.mp4
INKSCAPE ?= inkscape
FFMPEG ?= ffmpeg
CONCAT_TOOL ?= video-concat-xfade
OVERLAY_STYLE ?= softlight

# You must explicitly set this variable:
SVG_TEMPLATE ?= /path/to/video-title-template.svg

SHELL := /bin/bash

# TODO: overridable or internal?
BUILDDIR := ./build
SRCDIR := ./src

# Internal variables
concat-audio := $(BUILDDIR)/audio-only.m4a
concat-video := $(BUILDDIR)/video-only.mp4
command-audio := $(BUILDDIR)/audio-command.sh
command-video := $(BUILDDIR)/video-command.sh
image := $(BUILDDIR)/title.png
svg := $(SRCDIR)/video-title.svg
objects := $(concat-audio) $(concat-video) $(command-audio) $(command-video) $(image)
source-videos != ls -v $(SRCDIR)/*.mp4

.PHONY: help all clean test image svg audio video commands

help:
	@echo "Usage:"
	@echo "  make image TITLE=<title> to make the title image file"
	@echo "  make all TITLE=<title> OUTPUT=<path> to build all"

clean:
	-rm -f $(objects)

# E.g. make image TITLE=東京都渋谷区こもれび大和田図書館
# or
# make image -- if build/svg file exists
image: $(image)
$(image): $(svg)
	@mkdir -p $(@D)
	@$(INKSCAPE) --export-type=png --export-filename=$@ $<

# E.g. make svg TITLE=東京都渋谷区こもれび大和田図書館
svg: $(svg)
$(svg):
	@mkdir -p $(@D)
	@cp $(SVG_TEMPLATE) $(svg)
	@sed -i "s/東京都なんとか図書館/$(TITLE)/" $@

# E.g. make svg TITLE=東京都渋谷区こもれび大和田図書館 OUTPUT=../shibuya-komorebi.mp4
all: $(OUTPUT)
$(OUTPUT): $(concat-audio) $(concat-video)
	$(FFMPEG) -y -i $(concat-video) -i $(concat-audio) \
	-c:v copy -c:a aac -map 0:v:0 -map 1:a:0 -movflags +faststart $@

# video-concat-xfade is a path
commands: $(command-audio) $(command-video)
$(command-audio) $(command-video)&: $(source-videos) $(image)
	$(CONCAT_TOOL) \
	    --concat-audio-path $(concat-audio) \
	    --concat-video-path $(concat-video) \
	    --command-audio-path $(command-audio) \
	    --command-video-path $(command-video) \
	    --overlay-image-path $(image) \
	    --overlay-style $(OVERLAY_STYLE) \
	    $(source-videos)

audio: $(concat-audio)
$(concat-audio): $(command-audio)
	$$SHELL $(command-audio)

video: $(concat-video)
$(concat-video): $(command-video) $(image)
	$$SHELL $(command-video)