PATH:=./piper:$(PATH)

WAV_FILES := $(patsubst %.txt,%.wav,$(wildcard *.txt))
MP3_FILES := $(patsubst %.txt,%.mp3,$(wildcard *.txt))

MODEL=en_GB-alan-medium.onnx
CONFIG=en_GB-alan-medium.onnx.json

complete: $(MP3_FILES)
	echo $@ $^

$(WAV_FILES): %.wav: %.txt
	cat $^ | piper -m $(MODEL) -c $(CONFIG) -f $@


$(MP3_FILES): %.mp3: %.wav
	ffmpeg -y -i $^ $@


install:
	wget -O piper.tar "https://github.com/rhasspy/piper/releases/download/v1.2.0/piper_amd64.tar.gz"
	tar xf piper.tar
	wget -O en_GB-alan-medium.onnx "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_GB/alan/medium/en_GB-alan-medium.onnx?download=true"
	wget -O en_GB-alan-medium.onnx.json "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_GB/alan/medium/en_GB-alan-medium.onnx.json?download=true.json"