rpitv_encode.mk

FFMPEG=/home/armena/ffmpeg/ffmpeg
ARCHIVE=/mnt/video1-volume1/Archive

# List of all the encodes we want for a production.
%.all: %-400.mp4 %-800.mp4 %-1200.mp4 %-2000.mp4 %-2800.mp4 %-3200.mp4 %-4400.mp4
        echo "encode done!"

# create files that point to the original source file, this works around
# make's inability to create implicit rules for multiple file types
%.in: $(ARCHIVE)/%.mxf
        echo "$<" > "$@"

%.in: $(ARCHIVE)/%.mov
        echo "$<" > "$@"

%.in: $(ARCHIVE)/%.avi
        echo "$<" > "$@"

%.in: $(ARCHIVE)/%.mpg
        echo "$<" > "$@"

%.in: $(ARCHIVE)/%.mp4
        echo "$<" > "$@"

# Rule for first pass encode.
%-pass1: %.in
        $(FFMPEG) -y -i `cat $<` -vf yadif -f mp4 -vcodec libx264 \
                -s 1920x1080 -b:v 4400k \
                -pix_fmt yuv420p \
                -preset medium -aspect 16:9 -pass 1 \
                -passlogfile `basename $<` \
                -an /dev/null
        touch $@


# Rules for various pass-2 encodes.
%-400.mp4: %.in %-pass1
        $(FFMPEG) -y -i `cat $<` -vf yadif -f mp4 -vcodec libx264 \
                -s 480x270 -b:v 400k \
                -pix_fmt yuv420p \
                -preset medium -aspect 16:9 -pass 2 \
                -x264opts no-mbtree \
                -strict experimental -acodec aac -b:a 64k -ar 22050 \
                -passlogfile `basename $<` \
                $@

%-800.mp4: %.in %-pass1
        $(FFMPEG) -y -i `cat $<` -vf yadif -f mp4 -vcodec libx264 \
                -s 640x360 -b:v 800k \
                -pix_fmt yuv420p \
                -preset medium -aspect 16:9 -pass 2 \
                -x264opts no-mbtree \
                -strict experimental -acodec aac -b:a 128k -ar 48000 \
                -passlogfile `basename $<` \
                $@

%-1200.mp4: %.in %-pass1
        $(FFMPEG) -y -i `cat $<` -vf yadif -f mp4 -vcodec libx264 \
                -s 640x360 -b:v 1200k \
                -pix_fmt yuv420p \
                -preset medium -aspect 16:9 -pass 2 \
                -x264opts no-mbtree \
                -strict experimental -acodec aac -b:a 128k -ar 48000 \
                -passlogfile `basename $<` \
                $@

%-2000.mp4: %.in %-pass1
        $(FFMPEG) -y -i `cat $<` -vf yadif -f mp4 -vcodec libx264 \
                -s 960x540 -b:v 2000k \
                -pix_fmt yuv420p \
                -preset medium -aspect 16:9 -pass 2 \
                -x264opts no-mbtree \
                -strict experimental -acodec aac -b:a 192k -ar 48000 \
                -passlogfile `basename $<` \
                $@

%-2800.mp4: %.in %-pass1
        $(FFMPEG) -y -i `cat $<` -vf yadif -f mp4 -vcodec libx264 \
                -s 960x540 -b:v 2800k \
                -pix_fmt yuv420p \
                -preset medium -aspect 16:9 -pass 2 \
                -x264opts no-mbtree \
                -strict experimental -acodec aac -b:a 192k -ar 48000 \
                -passlogfile `basename $<` \
                $@

%-3200.mp4: %.in %-pass1
        $(FFMPEG) -y -i `cat $<` -vf yadif -f mp4 -vcodec libx264 \
                -s 1280x720 -b:v 3200k \
                -pix_fmt yuv420p \
                -preset medium -aspect 16:9 -pass 2 \
                -x264opts no-mbtree \
                -strict experimental -acodec aac -b:a 256k -ar 48000 \
                -passlogfile `basename $<` \
                $@

%-4400.mp4: %.in %-pass1
        $(FFMPEG) -y -i `cat $<` -vf yadif -f mp4 -vcodec libx264 \
                -s 1920x1080 -b:v 4400k \
                -pix_fmt yuv420p \
                -preset medium -aspect 16:9 -pass 2 \
                -x264opts no-mbtree \
                -strict experimental -acodec aac -b:a 256k -ar 48000 \
                -passlogfile `basename $<` \
                $@

# Since the mp4 files we want are technically intermediate files, we list
# them out here so make doesn't go and delete them when it's done.
.PRECIOUS: %-400.mp4 %-800.mp4 %-1200.mp4 %-2000.mp4 %-2800.mp4 %-3200.mp4 %-4400.mp4