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CLEAN_TARGETS += clean_video
REAL_CLEAN_TARGETS += real_clean_video
## Video encoder options
# with added voice low-pass filter and frame rate reduced to 15 (good for slides)
ffmpegOptions ?= -movflags faststart -r 15 -c:v libx264 -preset veryfast -tune stillimage -c:a libfdk_aac -vbr 1 -cutoff 4000
# remove audio track and recode video (good for slides)
#ffmpegOptions ?= -movflags faststart -r 15 -c:v libx264 -preset veryfast -tune stillimage -an
# remove audio track and recode video (do not change frame rate)
# ffmpegOptions ?= -movflags faststart -c:v libx264 -preset veryfast -tune stillimage -an
# recode video with no filters
# ffmpegOptions ?= -movflags faststart -c:v libx264 -preset veryfast -tune stillimage -c:a libfdk_aac -vbr 1
rawDir ?= rawVideo
recodedDir ?= recodedVideo
readyDir ?= readyVideo
video_ext_in ?= mp4
video_ext_out ?= mp4
dest_dir_video_recoded ?= $(dest_dir)/$(recodedDir)
dest_dir_video_ready ?= $(dest_dir)/$(readyDir)
destination_dirs += $(dest_dir_video_recoded) $(dest_dir_video_ready)
rawVideo = $(wildcard $(rawDir)/*.$(video_ext_in))
recoded_video_from_raw = $(rawVideo:$(rawDir)/%.$(video_ext_in)=$(recodedDir)/%.$(video_ext_out))
recoded_video_dest_targets = $(rawVideo:$(rawDir)/%.$(video_ext_in)=$(dest_dir_video_recoded)/%.$(video_ext_out))
readyVideo = $(wildcard $(readyDir)/*.$(video_ext_out))
ready_video_dest_targets = $(readyVideo:$(readyDir)/%=$(dest_dir_video_ready)/%)
recoded_video: $(recoded_video_from_raw)
$(dest_dir_video_ready):
$(INSTALL) -d -m 0755 '$@'
$(dest_dir_video_recoded):
$(INSTALL) -d -m 0755 '$@'
$(recodedDir):
$(INSTALL) -d -m 0755 '$@'
$(recodedDir)/%.$(video_ext_out) : $(rawDir)/%.$(video_ext_in) | $(recodedDir)
ffmpeg -i $< $(ffmpegOptions) $@
install_recoded_video: $(recoded_video_dest_targets)
install_ready_video: $(ready_video_dest_targets)
# $(dest_dir_video_recoded):
# $(INSTALL) -d -m 0755 '$@'
$(recoded_video_dest_targets): $(dest_dir_video_recoded)/% : $(recodedDir)/% | $(dest_dir_video_recoded)
ifneq ($(strip $(recoded_video_from_raw)),)
$(INSTALL) -m 0644 '$<' '$@'
endif
$(ready_video_dest_targets): $(dest_dir_video_ready)/% : $(readyDir)/% | $(dest_dir_video_ready)
ifneq ($(strip $(readyVideo)),)
$(INSTALL) -m 0644 '$<' '$@'
endif
clean_video:
real_clean_video:
ifneq ($(strip $(recoded_video_from_raw)),)
rm -f $(recoded_video_from_raw)
endif
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