diff options
Diffstat (limited to 'roles/prerec/templates/Makefile')
| -rw-r--r-- | roles/prerec/templates/Makefile | 192 |
1 files changed, 187 insertions, 5 deletions
diff --git a/roles/prerec/templates/Makefile b/roles/prerec/templates/Makefile index 94aa412..778ae3e 100644 --- a/roles/prerec/templates/Makefile +++ b/roles/prerec/templates/Makefile @@ -1,16 +1,198 @@ # {{ ansible_managed }} -PRERECS_FINAL := $(wildcard {{ emacsconf_id }}-*--final.webm) -PRERECS_MAIN := $(patsubst %--final.webm, %--main.webm, $(PRERECS_FINAL)) +# To recreate this file, use ansible-playbook -i inventory.yml prod-playbook.yml --tags prerec-make + +.ONESHELL: +SHELL := /bin/bash +# --- Shell Function Definition --- +# This function checks a given file ($1) for an audio stream. +# It returns the string "audio" if found, or nothing if not found. +# This makes the conditional check cleaner. +define IS_AUDIO_PRESENT_SCRIPT + ffprobe -loglevel error -select_streams a:0 \ + -show_entries stream=codec_type \ + -of default=noprint_wrappers=1:nokey=1 "$1" +endef +IS_AUDIO_PRESENT = $(IS_AUDIO_PRESENT_SCRIPT) + +source_patterns = $(foreach ext,$(VIDEO_EXTS),$(1)--original.$(ext)) +ANSWER_EXTS = mp4 mkv mov mpv m4v +source_patterns = $(foreach ext,$(VIDEO_EXTS),$(1)--original.$(ext)) +answer_patterns = $(foreach ext,$(ANSWER_EXTS),$(1)--answers.$(ext)) + +PRERECS_ORIGINAL := $(wildcard emacsconf-*--original.*) +ANSWERS_ORIGINAL := $(wildcard emacsconf-*--answers.*) +ANSWER_PREFIXES := $(shell for f in $(ANSWERS_ORIGINAL); do echo "$${f%--answers.*}"; done) +PREFIXES := $(shell for f in $(PRERECS_ORIGINAL); do echo "$${f%--original.*}"; done) +ANSWERS_REENCODED := $(addsuffix --answers--reencoded.webm, $(ANSWER_PREFIXES)) +PRERECS_REENCODED := $(addsuffix --reencoded.webm, $(PREFIXES)) +PRERECS_OPUS := $(addsuffix --reencoded.opus, $(PREFIXES)) +PRERECS_MAIN_OPUS := $(addsuffix --main.opus, $(PREFIXES)) +PRERECS_MAIN := $(addsuffix --main.webm, $(PREFIXES)) +PRERECS_CAPTIONS := $(addsuffix --reencoded.vtt, $(PREFIXES)) +PRERECS_FINAL := $(wildcard emacsconf-*--final.webm) +WAVEFORMS := $(addsuffix --backstage--waveform.png, $(PREFIXES)) +LINODE_BBB_ID := 67329098 .PHONY: all -all: $(PRERECS_MAIN) $(PRERECS_FINAL) -emacsconf-%--main.webm: {{ emacsconf_id }}-%--final.webm +all: reencoded opus main main-opus waveforms.png + +reencoded: $(PRERECS_REENCODED) + +opus: $(PRERECS_OPUS) + +captions: $(PRERECS_CAPTIONS) + +main: $(PRERECS_MAIN) + +main-opus: $(PRERECS_MAIN_OPUS) + +waveforms: $(WAVEFORMS) + +answers: $(ANSWERS_REENCODED) + +emacsconf-%--answers--reencoded.webm: SOURCES = $(call answer_patterns, emacsconf-$*) +emacsconf-%--answers--reencoded.webm: + $(eval SOURCE := $(lastword $(sort $(wildcard $(SOURCES))))) + @echo $(SOURCE) $@ + +emacsconf-%--reencoded.webm: SOURCES = $(call source_patterns, emacsconf-$*) +emacsconf-%--reencoded.webm: + $(eval SOURCE := $(lastword $(sort $(wildcard $(SOURCES))))) + @if [ -z "$(SOURCE)" ]; then \ + echo "No source file found for $@"; \ + echo "Tried: $(SOURCES)"; \ + exit 1; \ + fi + @echo "Using source: $(SOURCE)" + reencode-in-screen.sh "$(SOURCE)" + +emacsconf-%--reencoded.opus: emacsconf-%--reencoded.webm + AUDIO_CHECK=$$( $(call IS_AUDIO_PRESENT, "$<") ) + if [ ! -z "$$AUDIO_CHECK" ]; then + ffmpeg -y -i "$<" -c:a copy "$@" + else + ffmpeg -y -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=48000 -t 1 -c:a libopus "$@" + fi + +emacsconf-%--answers.opus: emacsconf-%--answers.webm + ffmpeg -y -i "$<" -c:a copy "$@" + +# emacsconf-%--normalized.opus: emacsconf-%--reencoded.opus +# ffmpeg-normalize "$<" -ofmt opus -c:a libopus -o "$@" + +emacsconf-%--main.webm: emacsconf-%--reencoded.webm emacsconf-%--normalized.opus emacsconf-%--main.vtt + ffmpeg -i emacsconf-$*--reencoded.webm -i emacsconf-$*--normalized.opus -i emacsconf-$*--main.vtt \ + -map 0:v -map 1:a -c:v copy -c:a copy \ + -map 2 -c:s webvtt -y \ + $@ + +emacsconf-%--main.webm: emacsconf-%--reencoded.webm emacsconf-%--normalized.opus + ffmpeg -i emacsconf-$*--reencoded.webm -i emacsconf-$*--normalized.opus \ + -map 0:v -map 1:a -c:v copy -c:a copy \ + -y $@ + +emacsconf-%--main.webm: emacsconf-%--reencoded.webm + cp "$<" "$@" + +emacsconf-%--main.webm: emacsconf-%--reencoded.webm emacsconf-%--main.vtt cp "$<" "$@" + ffmpeg -i emacsconf-$*--reencoded.webm -i emacsconf-$*--main.vtt \ + -c:v copy -c:a copy \ + -y $@ -emacsconf-%--final.webm: {{ emacsconf_id }}-%--main.vtt +emacsconf-%--final.webm: emacsconf-%--main.vtt mux-subs.sh "$@" "$<" +emacsconf-%--main.opus: emacsconf-%--main.webm + AUDIO_CHECK=$$( $(call IS_AUDIO_PRESENT, "$<") ) + if [ ! -z "$$AUDIO_CHECK" ]; then \ + ffmpeg -y -i "$<" -c:a copy "$@"; \ + fi + +emacsconf-%--reencoded.vtt: emacsconf-%--reencoded.opus + whisperx --model large-v3 --align_model WAV2VEC2_ASR_LARGE_LV60K_960H --compute_type int8 --print_progress True --max_line_width 50 --segment_resolution chunk --max_line_count 1 --language en --initial_prompt "Transcribe this talk about Emacs. It may mention Emacs keywords such as Org Mode, Org Roam, Magit, gptel, or chatgpt-shell, or tech keywords such as LLMs. Format function names and keyboard shortcut sequences according to Emacs conventions using Markdown syntax. For example: control h becomes \`C-h\`." "$<" + +emacsconf-%--backstage--silences.csv: emacsconf-%--reencoded.opus + ffmpeg -i "$<" -af silencedetect=noise=-30dB:d=0.5 -f null - 2>&1 | awk '/silence_start/ {start=$$NF} /silence_end/ {print start "," (start + $$NF)}' > "$@" + +show-files: + @echo "Original $(words $(PRERECS_ORIGINAL)):" + @echo "$(PRERECS_ORIGINAL)" + @echo "Prefixes $(words $(PREFIXES)):" + @echo "$(PREFIXES)" + @echo "Reencoded $(words $(PRERECS_REENCODED)):" + @echo "$(PRERECS_REENCODED)" + @echo "Opus $(words $(PRERECS_OPUS)):" + @echo "$(PRERECS_OPUS)" + +bbb-testing: + @echo "Resizing BBB node to 8GB 4 core for testing" + linode-cli linodes resize $(LINODE_BBB_ID) --type g6-standard-4 --allow_auto_disk_resize false + sleep 2m + @echo "Booting up" + linode-cli linodes boot $(LINODE_BBB_ID) + ssh root@bbb.emacsverse.org "cd ~/greenlight-v3; docker compose restart" + +bbb-dormant: + @echo "Shutting down" + ssh root@bbb.emacsverse.org "/usr/sbin/shutdown -h now &" || true + sleep 30 + @echo "Powering off BBB node" + linode-cli linodes shutdown $(LINODE_BBB_ID) + sleep 30 + @echo "Resizing BBB node to nanode, dormant" + linode-cli linodes resize $(LINODE_BBB_ID) --type g6-nanode-1 --allow_auto_disk_resize false + +bbb-prod: + @echo "Resizing BBB node to production size" + linode-cli linodes resize $(LINODE_BBB_ID) --type g6-dedicated-8 --allow_auto_disk_resize true + sleep 2m + @echo "Booting up" + linode-cli linodes boot $(LINODE_BBB_ID) + +live-dormant: + @echo "Resizing live0 node to nanode, dormant" + linode-cli linodes resize 17921960 --type g6-nanode-1 --allow_auto_disk_resize false + sleep 120 + linode-cli linodes boot 17921960 + + rsync: rsync -avzue ssh {{ emacsconf_caption_dir }}/cache/ orga@media.emacsconf.org:/var/www/media.emacsconf.org/{{ emacsconf_year }}/backstage/ + + +WAVEFORM_HEIGHT := 240 +WAVEFORM_WIDTH := 400 +WAVEFORM_VOLUME := 3.0 +WAVEFORM_FILTER := "[0:a]aformat=channel_layouts=mono[b];[b]volume=$(WAVEFORM_VOLUME)[a];[a]compand=attacks=0:points=-90/-90|0/0,showwavespic=s=$(WAVEFORM_WIDTH)x$(WAVEFORM_HEIGHT):colors=\#9cf42f[fg];color=s=$(WAVEFORM_WIDTH)x$(WAVEFORM_HEIGHT):color=\#44582c,drawgrid=width=iw/10:height=ih/5:color=\#9cf42f@0.1[bg];[bg][fg]overlay=format=auto[comp];[comp]drawtext=text='$$ID':fontcolor=white:fontsize=24:x=10:y=10:box=1:boxcolor=\#44582c@0.5:boxborderw=5" + +emacsconf-%--backstage--waveform.png: emacsconf-%--normalized.opus + AUDIO_CHECK=$$(ffprobe -loglevel error -select_streams a:0 -show_entries stream=codec_type -of default=noprint_wrappers=1:nokey=1 "$<"); \ + ID=$$(echo "$<" | sed 's/--.*//'); \ + if [ ! -z "$$AUDIO_CHECK" ]; then \ + ffmpeg -i "$<" \ + -filter_complex $(WAVEFORM_FILTER) \ + -frames:v 1 \ + -c:v png \ + -update 1 \ + -y \ + "$@"; \ + fi + +emacsconf-%--backstage--waveform.png: emacsconf-%--reencoded.opus + AUDIO_CHECK=$$(ffprobe -loglevel error -select_streams a:0 -show_entries stream=codec_type -of default=noprint_wrappers=1:nokey=1 "$<"); \ + ID=$$(echo "$<" | sed 's/--.*//'); \ + if [ ! -z "$$AUDIO_CHECK" ]; then \ + ffmpeg -i "$<" \ + -filter_complex $(WAVEFORM_FILTER) \ + -frames:v 1 \ + -c:v png \ + -update 1 \ + -y \ + "$@"; \ + fi + +waveforms.png: $(WAVEFORMS) + convert $^ +append "$@" |