From 0b07963c81155b621dd45b878b869a78b8c9de49 Mon Sep 17 00:00:00 2001
From: Sacha Chua <sacha@sachachua.com>
Date: Sat, 5 Nov 2022 07:55:05 -0400
Subject: Caption updates

---
 roles/caption/templates/process-captions.py   | 18 +++++++----
 roles/caption/templates/process-prerec.sh     | 18 +++++++++++
 roles/caption/templates/reencode.sh           | 43 +++++++++++++++++++++++++++
 roles/caption/templates/run-aeneas.sh         | 14 +++++++++
 roles/caption/templates/update-task-status.sh | 10 +++++++
 roles/caption/templates/upload.sh             |  6 ++++
 6 files changed, 103 insertions(+), 6 deletions(-)
 create mode 100755 roles/caption/templates/process-prerec.sh
 create mode 100755 roles/caption/templates/reencode.sh
 create mode 100755 roles/caption/templates/run-aeneas.sh
 create mode 100755 roles/caption/templates/update-task-status.sh
 create mode 100755 roles/caption/templates/upload.sh

(limited to 'roles/caption/templates')

diff --git a/roles/caption/templates/process-captions.py b/roles/caption/templates/process-captions.py
index 223531b..1b6515c 100755
--- a/roles/caption/templates/process-captions.py
+++ b/roles/caption/templates/process-captions.py
@@ -81,6 +81,8 @@ def get_files_to_work_on(directory):
                 info[slug]['vtt'] = f
             elif re.search('srv2$', filename):
                 info[slug]['srv2'] = f
+            elif re.search('txt$', filename):
+                info[slug]['txt'] = f
     needs_work = []
     if JSON_FILE:
         with open(JSON_FILE) as f:
@@ -108,10 +110,11 @@ def extract_audio(work):
     if 'Audio: vorbis' in output.decode():
         extension = 'ogg'
     new_file = work['base'] + '.' + extension
-    acodec = 'copy' if re.search('\\.(webm|mp4|mkv)$', work['video']) else 'libopus'
+    acodec = 'copy' if re.search('\\.webm$', work['video']) else 'libopus'
     log("Extracting audio from %s acodec %s" % (work['video'], acodec))
     output = subprocess.check_output(['ffmpeg', '-y', '-i', work['video'], '-acodec', acodec, '-vn', new_file], stderr=subprocess.STDOUT)
     work['audio'] = new_file
+    subprocess.call(["/data/emacsconf/2022/scripts/upload.sh", work['audio']])
     return work
 
 def to_sec(time_str):
@@ -142,18 +145,21 @@ def generate_captions(work):
     result = clean_up_timestamps(result)
     with open(new_file, 'w') as vtt:
         whisper.utils.write_vtt(result['segments'], file=vtt)
-    with open(work['base'] + '.txt') as txt:
+    with open(work['base'] + '.txt', 'w') as txt:
         whisper.utils.write_txt(result['segments'], file=txt)
     work['vtt'] = new_file
+    work['txt'] = work['base'] + '.txt'
+    subprocess.call(["/data/emacsconf/2022/scripts/upload.sh", work['vtt'], work['txt']])
     if 'srv2' in work: del work['srv2']
     return work
 
 def generate_text(work):
-    with open(work['base'] + '.txt') as txt:
+    with open(work['base'] + '.txt', 'w') as txt:
         for i, caption in enumerate(webvtt.read(work['vtt'])):
-            txt.write(caption.text)
-    work['text'] = work['base'] + '.txt'
-    
+            txt.write(caption.text + "\n")
+    work['txt'] = work['base'] + '.txt'
+    return work
+
 def generate_srv2(work):
     """Generate a SRV2 file."""
     log("Generating SRV2")
diff --git a/roles/caption/templates/process-prerec.sh b/roles/caption/templates/process-prerec.sh
new file mode 100755
index 0000000..e49aa72
--- /dev/null
+++ b/roles/caption/templates/process-prerec.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+# {{ ansible_managed }}
+
+ORIGINAL=$1
+REENCODED=$(echo "$ORIGINAL" | perl -pe 's/^(emacsconf-[0-9]*-.*?--.*?--.*?--).*/$1reencoded.webm/')
+SLUG=$(echo "$ORIGINAL" | perl -ne '/^emacsconf-[0-9]*-(.*?)--/ && print $1')
+MAIN=$(echo "$ORIGINAL" | perl -pe 's/^(emacsconf-[0-9]*-.*?--.*?--.*?--).*/$1main.webm/')
+SCREEN=reencode-$SLUG
+if ! ( screen -ls | grep -q $SLUG ); then
+    screen -dmS $SCREEN
+fi
+( cd /data/emacsconf/cache; ./update-cache )
+/data/emacsconf/2022/scripts/update-task-status.sh $SLUG "WAITING_FOR_PREREC" "PROCESSING"
+#if [[ ! -f "$REENCODED" ]]; then
+screen -S $SCREEN -X screen -t reencode-$SLUG /bin/bash -c "/data/emacsconf/2022/scripts/reencode.sh \"$ORIGINAL\" \"$REENCODED\" && /data/emacsconf/2022/scripts/upload.sh $REENCODED && exec /bin/bash" &
+#fi
+screen -S $SCREEN -X screen -t captions-$SLUG /bin/bash -c "/data/emacsconf/2022/scripts/process-captions.py $(dirname $ORIGINAL); /data/emacsconf/2022/scripts/update-task-status.sh $SLUG PROCESSING TO_ASSIGN; exec /bin/bash"
+screen -x $SCREEN
diff --git a/roles/caption/templates/reencode.sh b/roles/caption/templates/reencode.sh
new file mode 100755
index 0000000..e3a82eb
--- /dev/null
+++ b/roles/caption/templates/reencode.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Defaults
+q=32
+cpu=4
+time_limit=""
+print_only=false
+
+while getopts :q:c:t:s OPT; do
+    case $OPT in
+        q|+q)
+            q="$OPTARG"
+            ;;
+        c|+c)
+            cpu="$OPTARG"
+            ;;
+        t|+t)
+            time_limit="-to $OPTARG"
+            ;;
+        s)
+            print_only=true
+            ;;
+        *)
+            echo "usage: `basename $0` [+-q ARG] [+-c ARG} [--] ARGS..."
+            exit 2
+    esac
+done
+shift `expr $OPTIND - 1`
+OPTIND=1
+
+command="$(cat<<EOF
+ffmpeg -y -i "$1" $time_limit -c:v libvpx-vp9 -b:v 0 -crf $q -an -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu -g 240 -pass 1 -f webm -threads $cpu /dev/null &&
+    ffmpeg -y -i "$1" $time_limit -c:v libvpx-vp9 -b:v 0 -crf $q -c:a libopus -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu -pass 2 -g 240 -threads $cpu "$2"
+EOF
+)"
+
+if [ $print_only == true ]; then
+    echo "$command"
+else
+    eval "$command"
+fi
diff --git a/roles/caption/templates/run-aeneas.sh b/roles/caption/templates/run-aeneas.sh
new file mode 100755
index 0000000..6f40134
--- /dev/null
+++ b/roles/caption/templates/run-aeneas.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/bash
+#
+# {{ ansible_managed }}
+#
+AUDIO=$(ls *.opus *.ogg | head -n1)
+BASE=$(echo $AUDIO | perl -pe 's/^(emacsconf-2022-.*?--.*?--.*?)--.*/$1/')
+echo $AUDIO
+echo $BASE
+if [ ! -f $BASE--whisper.vtt ]; then
+  cp ${BASE}--main.vtt ${BASE}--whisper.vtt
+fi
+python3 -m aeneas.tools.execute_task $AUDIO *.txt "task_language=eng|os_task_file_format=vtt|is_text_type=plain" ${BASE}--aeneas.vtt
+cp ${BASE}--aeneas.vtt ${BASE}--main.vtt
+/data/emacsconf/2022/scripts/upload.sh ${BASE}--main.vtt
diff --git a/roles/caption/templates/update-task-status.sh b/roles/caption/templates/update-task-status.sh
new file mode 100755
index 0000000..18b7c1b
--- /dev/null
+++ b/roles/caption/templates/update-task-status.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+# {{ ansible_managed }}
+SLUG="$1"
+FROM_STATUS="$2"
+TO_STATUS="$3"
+cd ~/emacsconf-2022-private
+git pull
+emacsclient --eval "(progn (emacsconf-update-talk-status \"$SLUG\" \"$FROM_STATUS\" \"$TO_STATUS\") (emacsconf-with-talk-heading \"$SLUG\" (emacsconf-cache-video-data (emacsconf-get-talk-info-for-subtree)) (save-buffer)))"
+git commit -m "Update task status for $SLUG" conf.org
+git push
diff --git a/roles/caption/templates/upload.sh b/roles/caption/templates/upload.sh
new file mode 100755
index 0000000..f723d29
--- /dev/null
+++ b/roles/caption/templates/upload.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+# {{ ansible_managed }}
+
+scp $* orga@media.emacsconf.org:~/backstage
+emacsclient --eval "(emacsconf-publish-backstage-index)"
+rsync -avze ssh orga@media.emacsconf.org:~/backstage/ /data/emacsconf/cache/
-- 
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