From a5e79dc95b31300c09068571275422d2803df777 Mon Sep 17 00:00:00 2001
From: James Ketrenos <jketreno@media.ketrenos.com>
Date: Fri, 15 Apr 2022 12:56:41 -0700
Subject: [PATCH] Added -o FILE to only process older files

Signed-off-by: James Ketrenos <jketreno@media.ketrenos.com>
---
 normalize-video | 84 ++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 72 insertions(+), 12 deletions(-)

diff --git a/normalize-video b/normalize-video
index e6ac567..834521d 100755
--- a/normalize-video
+++ b/normalize-video
@@ -9,6 +9,43 @@ fail() {
   exit -1
 }
 
+
+usage() {
+  cat << EOF
+usage: normalize-video [OPTIONS] [FILES]
+
+Options:
+
+  -h        This help
+  -o OLDER  Only process files older than OLDER. See 'find -newer'
+  -f        Force transcode even if already meets normalized 
+            settings.
+
+EOF
+}
+
+force=0
+older_than=
+while getopts fho: opt; do
+  case "${opt}" in
+  o)
+    older_than="-and -not -newer ${OPTARG}"
+    ;;
+  f)
+    force=1
+    ;;
+  h)
+    usage
+    exit 0
+    ;;
+  [?])
+    usage
+    exit -1
+    ;;
+  esac
+done
+shift $(( OPTIND-1 ))
+
 VIDEO=$(getent group video | sed -E 's,^video:[^:]*:([^:]*):.*$,\1,')
 RENDER=$(getent group render | sed -E 's,^render:[^:]*:([^:]*):.*$,\1,')
 
@@ -245,7 +282,7 @@ function check_and_convert {
   container=${info[1]}
 
   update=0
-  transcode=0
+  transcode=${force}
   if (( width > 1920 )); then
     echo "${PREFIX} Has a width of ${width} and will be scaled to 1920."
     height=$((((((1920*height/width))*2))/2))
@@ -271,15 +308,22 @@ function check_and_convert {
     update=1
   fi
 
-  if (( update == 0 )); then
+  if (( update == 0 )) && (( force == 0 )); then
     echo "${PREFIX} Skipping ${IN} as it is already normalized."
     return 0;
   fi
 
   echo -n "${PREFIX} Counting frames in ${IN}: "
   FRAMES=$(ffprobe -v error -select_streams v:0 -show_entries stream -of default=noprint_wrappers=1 "${IN}" | sed -ne 's,^TAG:NUMBER_OF_FRAMES=,,p') || fail "Unable to count frames"
-  echo -e "\n${PREFIX} ${FRAMES} frames."
-
+  if [[ "${FRAMES}" != "" ]]; then
+    echo -e "\n${PREFIX} ${FRAMES} frames."
+  else
+    duration=$(ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "${IN}")
+    fps=$(ffprobe -v error -select_streams v -of default=noprint_wrappers=1:nokey=1 -show_entries stream=r_frame_rate ${IN})
+    FRAMES=$(printf "%.0f" $(bc <<< "${duration}*${fps}" ))
+    echo -e "\n${PREFIX} ${FRAMES} (from duration ${duration}) frames."
+  fi
+  
   IN="$(realpath "${IN}")"
   OUT="${IN/%.???/.mkv}"
   ORIG="${OUT}"
@@ -347,10 +391,19 @@ function check_and_convert {
       break
     fi
     if [[ "${FRAMES}" == "" ]]; then
-      frame=$(echo $line | sed -n 's/^frame=*\(.*\)/Frame: \1/p')
-      speed=$(echo $line | sed -n 's/^speeed=*\(.*\)/Speed: \1/p')
-      fps=$(echo $line | sed -n 's/^fps=*\(.*\)/FPS: \1/p')
-      echo "${PREFIX} ${frame} ${speed} ${fps}"
+      frame=${frame:-$(echo $line | sed -n 's/^frame=*\(.*\)/Frame: \1/p')}
+      speed=${speed:-$(echo $line | sed -n 's/^speeed=*\(.*\)/Speed: \1/p')}
+      fps=${fps:-$(echo $line | sed -n 's/^fps=*\(.*\)/FPS: \1/p')}
+      if [[ "${frame}" != "" ]] &&
+        [[ "${speed}" != "" ]] &&
+        [[ "${fps}" != "" ]]; then
+        echo "${PREFIX} ${frame} ${speed} ${fps}"
+        frame=
+        fps=
+        speed=
+      else
+        echo $line
+      fi
       continue
     fi
 
@@ -402,11 +455,18 @@ function check_and_convert {
 if [ -z "$1" ]; then
   find . -name '* *' -type d | while read file; do mv "${file}" "${file// /_}" || fail "Unable to rename dir ${file}"; done
   find . -name '* *' -type f | while read file; do mv "${file}" "${file// /_}" || fail "Unable to rename file ${file}"; done
-  total=$(find . -type f \
-    -and -not -path "./backup/*" | wc -l)
+  matches="
+    \(
+      -name '*mkv'
+      -or -name '*mp4'
+      -or -name '*avi'
+    \)
+    -and -not -path './backup/*'
+    ${older_than}
+  "
+  total=$(eval find . -type f ${matches} | wc -l)
   current=1
-  find . -type f -name '*mkv' -or -name '*mp4' -or -name '*avi' \
-    -and -not -path "./backup/*" | sort | while read file; do
+  eval find . -type f ${matches} | sort | while read file; do
     check_and_convert "${file}" "${current}/${total}:"
     current=$((current+1))
   done