forked from cwtv/stuff
Successfull test script
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226
render-chunks.sh
226
render-chunks.sh
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@ -1,5 +1,7 @@
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#!/usr/bin/env bash
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set -euo pipefail
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set -o errexit -o nounset -o pipefail
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IFS=$'\n'
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# License MIT
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# Authors 2024
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@ -23,82 +25,91 @@ which ffmpeg >/dev/null || (echo "Please install ffmpeg" ; exit 1)
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which fzf >/dev/null || (echo "Please install fzf" ; exit 1)
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which mpv >/dev/null || (echo "Please install mpv" ; exit 1)
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INTROS_PATH="$HOME/Dokumente/syncthing/intros"
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OUTROS_PATH="$HOME/Dokumente/syncthing/outros"
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CHUNKS_PATH="$HOME/Dokumente/syncthing/"
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OUTPUT_PATH="$HOME/Videos/WK25/rendered"
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INTROS_PATH="${HOME}/Dokumente/cloud.ctbk.de/FSCK/2025/VOC/Talk-Intros/"
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OUTROS_PATH="${HOME}/Dokumente/cloud.ctbk.de/FSCK/2025/VOC/Talk-Outro/"
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CHUNKS_PATH="${HOME}/Dokumente/syncthing/fsck2025/streamingrechner/Recordings/"
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OUTPUT_PATH="${HOME}/Dokumente/syncthing/cwtv/cwtv-synthing/rendered/"
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# temp dir
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WORKDIR=$(mktemp -d)
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function finish {
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rm -r "$WORKDIR"
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}
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trap finish EXIT
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# Function to convert image to video with audio
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convert_image_to_video() {
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local IMAGE_FILE="${1}"
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local VIDEO_FILE="${2}"
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local DURATION="${3}"
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local FADE_TYPE
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local FADE_START
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local FADE_DURATION
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if [[ "$4" == 0 ]]
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then
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# Fade-out
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FADE_TYPE="out"
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FADE_DURATION="${5}"
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FADE_START="$(echo "${DURATION} - ${FADE_DURATION} - 0.02" | bc | awk '{printf "%.5f\n", $0}')"
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# Note: The 0.02 = 1/50 is a hack to ensure we don't miss the last (fully black) frame
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else
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# Fade-in
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FADE_TYPE="in"
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FADE_DURATION="${4}"
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FADE_START="0"
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fi
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echo "Rendering fade:"
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echo "Type: ${FADE_TYPE}"
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echo "Start: ${FADE_START}"
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echo "Duration: ${FADE_DURATION}"
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ffmpeg \
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-loop 1 \
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-framerate 50 \
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-i "${IMAGE_FILE}" \
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-f lavfi -i anullsrc=r=48000:cl=stereo \
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-vf "fade=type=${FADE_TYPE}:start_time=${FADE_START}:duration=${FADE_DURATION},format=pix_fmts=yuv420p,fps=50" \
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-c:a aac -b:a 192k \
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-c:v libx264 -threads 0 -pix_fmt yuv420p -crf 18 \
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-profile:v high -level 4.1 -disposition default -color_range tv \
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-t "${DURATION}" "${VIDEO_FILE}"
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}
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# STEP 1
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# Select the appropriate files
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SELECTED_INTRO="$(find "$INTROS_PATH" -type f | sort --reverse --human-numeric-sort | fzf --delimiter / --with-nth -1 --prompt "Intro File:")"
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SELECTED_OUTRO="$(find "$OUTROS_PATH" -type f | sort --reverse --human-numeric-sort | fzf --delimiter / --with-nth -1 --prompt "Outro File:")"
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SELECTED_CHUNKS="$(find "$CHUNKS_PATH" -type f | sort --reverse | fzf --delimiter / --with-nth -1 -m --prompt "Video Chunks (use tab to select multiple):" | sort )"
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readarray -t CHUNKS_ARRAY < <(echo "$SELECTED_CHUNKS")
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FOOBARWTF="$(basename "$SELECTED_INTRO")"
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DEFAULT_OUTPUT_NAME="${FOOBARWTF%.*}"
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read -p "Please enter a name for the outputfile (path and extension will be added automatically): " -i "$DEFAULT_OUTPUT_NAME" -e OUTPUT_NAME
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BASEPATH="$(basename "${SELECTED_INTRO}")"
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DEFAULT_OUTPUT_NAME="${BASEPATH%.*}"
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# Function to convert image to video with audio
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convert_image_to_video() {
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local image_file="$1"
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local output_video="$2"
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local duration="$3"
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local fade_in="$4"
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local fade_out="$5"
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read -r -p "Please enter a name for the outputfile (path and extension will be added automatically): " -i "${DEFAULT_OUTPUT_NAME}" -e OUTPUT_NAME
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if [[ $fade_in == 0 ]]
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then
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ffmpeg -loop 1 \
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-framerate 50 \
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-t "$duration" \
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-i "$image_file" -f lavfi \
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-i anullsrc=r=48000:cl=stereo \
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-vf "fade=t=out:st=$(($duration - $fade_out)):d=$fade_out,format=pix_fmts=yuv420p,fps=50" \
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-c:a aac -b:a 192k \
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-c:v libx264 -threads 0 -pix_fmt yuv420p -crf 18 \
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-profile:v high -level 4.1 -disposition default -color_range tv \
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-metadata:s:a:0 language=native \
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-t "$duration" "$output_video"
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else
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ffmpeg -loop 1 \
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-framerate 50 \
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-t "$duration" \
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-i "$image_file" -f lavfi \
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-i anullsrc=r=48000:cl=stereo \
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-filter_complex "fade=t=in:st=0:d=$fade_in,format=pix_fmts=yuv420p,fps=50" \
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-c:a aac -b:a 192k \
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-c:v libx264 -threads 0 -pix_fmt yuv420p -crf 18 \
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-profile:v high -level 4.1 -disposition default -color_range tv \
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-metadata:s:a:0 language=native \
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-t "$duration" "$output_video"
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fi
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}
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CONFIG_FILE="${OUTPUT_PATH}/${OUTPUT_NAME}.config"
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# find the start-offset for the first chunk
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read -p "Do you want to play the first chunk ${CHUNKS_ARRAY[0]} to find the start-offset? (y/n) [n]: " PLAY_FIRST_CHUNK
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read -r -p "Do you want to play the first chunk ${CHUNKS_ARRAY[0]} to find the start-offset? (y/n) [n]: " PLAY_FIRST_CHUNK
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PLAY_FIRST_CHUNK="${PLAY_FIRST_CHUNK:-n}"
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[[ "$PLAY_FIRST_CHUNK" == "y" ]] && mpv "${CHUNKS_ARRAY[0]}" --osd-level=3 --osd-status-msg='${=time-pos}' --really-quiet
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read -p "Enter the start-offset in seconds for the first chunk ${CHUNKS_ARRAY[0]} [0]: " START_OFFSET
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read -r -p "Enter the start-offset in seconds for the first chunk ${CHUNKS_ARRAY[0]} [0]: " START_OFFSET
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START_OFFSET="${START_OFFSET:-0}"
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# find the end-offset for the last chunk
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read -p "Do you want to play the last chunk ${CHUNKS_ARRAY[-1]} to find the end-offset? (y/n) [n]: " PLAY_LAST_CHUNK
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read -r -p "Do you want to play the last chunk ${CHUNKS_ARRAY[-1]} to find the end-offset? (y/n) [n]: " PLAY_LAST_CHUNK
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PLAY_LAST_CHUNK="${PLAY_LAST_CHUNK:-n}"
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[[ "$PLAY_LAST_CHUNK" == "y" ]] && mpv "${CHUNKS_ARRAY[-1]}" --osd-level=3 --osd-status-msg='${=time-pos}' --really-quiet
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read -p "Enter the end-offset in seconds for the last chunk ${CHUNKS_ARRAY[0]} [1]: " END_OFFSET
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read -r -p "Enter the end-offset in seconds for the last chunk ${CHUNKS_ARRAY[0]} [1]: " END_OFFSET
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END_OFFSET="${END_OFFSET:-1}"
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# Check if intro is an image and convert if necessary
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@ -117,10 +128,9 @@ if [[ "$EXT_OUTRO" == "png" || "$EXT_OUTRO" == "jpg" || "$EXT_OUTRO" == "jpeg" ]
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SELECTED_OUTRO="$OUTRO_VIDEO"
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fi
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cat <<EOT
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# print and log choices
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echo ; echo ; echo
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cat <<EOT | tee "${CONFIG_FILE}"
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I will be rendering with the following configuration:
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+ Selected Intro: ${SELECTED_INTRO}
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+ Selected Outro: ${SELECTED_OUTRO}
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@ -133,17 +143,18 @@ I will be rendering with the following configuration:
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EOT
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for index in "${!CHUNKS_ARRAY[@]}"
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do
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echo " + $index: ${CHUNKS_ARRAY[index]}"
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echo " + $index: ${CHUNKS_ARRAY[index]}" | tee -a "${CONFIG_FILE}"
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done
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echo "Export: ${OUTPUT_PATH}/${OUTPUT_NAME}.mkv"
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echo "Export: ${OUTPUT_PATH}/${OUTPUT_NAME}.mkv" | tee -a "${CONFIG_FILE}"
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echo "Config: ${CONFIG_FILE}" | tee -a "${CONFIG_FILE}"
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echo ; echo ; echo
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read -p "Do you want to proceed with this configuration? (y/n) [y]" PROCEED
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read -r -p "Do you want to proceed with this configuration? (y/n) [y]" PROCEED
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PROCEED="${PROCEED:-y}"
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[[ "$PROCEED" == "y" ]] || (echo "aborting"; exit 1)
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echo "doing ffmpeg things here"
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# combine the videos...
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# combine the videos
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ARRAY_LENGTH="${#CHUNKS_ARRAY[@]}"
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if [[ ${ARRAY_LENGTH} -lt 2 ]]
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then
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@ -151,28 +162,9 @@ then
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exit 1
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fi
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# STEP 1
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# temp dir
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WORKDIR=$(mktemp -d)
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function finish {
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rm -r "$WORKDIR"
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}
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trap finish EXIT
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# STEP 2
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# Dauer des Intros ermitteln
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echo "==== STEP 2 ===="
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DURATION_INTRO=$(ffprobe -i "$SELECTED_INTRO" -show_entries format=duration -v quiet -of csv="p=0")
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# Sicherstellen, dass die Dauer gültig ist
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if [[ -z "$DURATION_INTRO" || "$DURATION_INTRO" == "N/A" ]]; then
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echo "Fehler: Die Dauer des Intros konnte nicht ermittelt werden."
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exit 1
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fi
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# Offset berechnen und negative Werte verhindern
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OFFSET=$(echo "scale=2; $DURATION_INTRO - 0.5" | bc)
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if (( $(echo "$OFFSET < 0" | bc -l) )); then OFFSET=0; fi
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# Prüfen, ob CHUNKS_ARRAY existiert und nicht leer ist
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if [[ -z "${CHUNKS_ARRAY[0]}" ]]; then
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@ -180,44 +172,82 @@ if [[ -z "${CHUNKS_ARRAY[0]}" ]]; then
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exit 1
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fi
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# Dauer des Intros ermitteln
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INTRO_DURATION="$(ffprobe -i "$SELECTED_INTRO" -show_entries format=duration -v quiet -of csv="p=0")"
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# Sicherstellen, dass die Dauer gültig ist
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if [[ -z "$INTRO_DURATION" || "$INTRO_DURATION" == "N/A" ]]; then
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echo "Fehler: Die Dauer des Intros konnte nicht ermittelt werden."
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exit 1
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fi
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OUTRO_DURATION="$(ffprobe -i "$SELECTED_OUTRO" -show_entries format=duration -v quiet -of csv="p=0")"
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# Sicherstellen, dass die Dauer gültig ist
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if [[ -z "$OUTRO_DURATION" || "$OUTRO_DURATION" == "N/A" ]]; then
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echo "Fehler: Die Dauer des Outros konnte nicht ermittelt werden."
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exit 1
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fi
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CROSSFADE_DURATION="0.5"
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# Offset berechnen und negative Werte verhindern
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INTRO_OFFSET="$(echo "${INTRO_DURATION} - ${CROSSFADE_DURATION}" | bc | awk '{printf "%.5f\n", $0}')"
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if (( $(echo "${INTRO_OFFSET} < 0" | bc) )); then INTRO_OFFSET=0; fi
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OUTRO_OFFSET="$(echo "${END_OFFSET} - ${CROSSFADE_DURATION}" | bc | awk '{printf "%.5f\n", $0}')"
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if (( $(echo "${OUTRO_OFFSET} < 0" | bc) )); then OUTRO_OFFSET=0; fi
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# Intro mit Crossfade zum ersten Chunk
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ffmpeg -i "$SELECTED_INTRO" -ss "$START_OFFSET" -i "${CHUNKS_ARRAY[0]}" \
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echo "Rendering intro transition:"
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echo "Intro duration: ${INTRO_DURATION}"
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echo "Intro offset: ${INTRO_OFFSET}"
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echo "Crossfade duration: ${CROSSFADE_DURATION}"
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ffmpeg \
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-i "${SELECTED_INTRO}" \
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-ss "${START_OFFSET}" -accurate_seek -i "${CHUNKS_ARRAY[0]}" \
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-filter_complex \
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"[0:v:0]format=pix_fmts=yuv420p,fps=50[va]; \
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[1:v:0]format=pix_fmts=yuv420p,fps=50[vb]; \
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[va][vb]xfade=transition=fade:duration=${CROSSFADE_DURATION}:offset=${OFFSET}[v]; \
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[1:a:0]afade=t=in:st=0:d=${CROSSFADE_DURATION}[a]; \
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[0:a:0][a]concat=n=2:v=0:a=1[a0]" \
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-map '[v]' -map '[a0]' \
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"[0:v:0]format=pix_fmts=yuv420p,fps=50[vintro]; \
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[1:v:0]format=pix_fmts=yuv420p,fps=50[vchunk1]; \
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[vintro][vchunk1]xfade=transition=fade:duration=${CROSSFADE_DURATION}:offset=${INTRO_OFFSET}[vout]; \
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[0:a:0]atrim=start=0:end=${INTRO_OFFSET}[atrim]; \
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[atrim]asetpts=PTS-STARTPTS[aintro]; \
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[1:a:0]afade=type=in:start_time=0:duration=${CROSSFADE_DURATION}[achunk1]; \
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[aintro][achunk1]concat=n=2:v=0:a=1[aout]" \
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-map '[vout]' -map '[aout]' \
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-c:a aac -b:a 192k \
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-c:v libx264 -threads 4 -pix_fmt yuv420p -crf 18 -profile:v high -level 4.1 -disposition default \
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-movflags +faststart \
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-c:v libx264 -threads 0 -pix_fmt yuv420p -crf 18 -profile:v high -level 4.1 -disposition default \
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-metadata:s:a:0 language=native \
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"${WORKDIR}/introcombined.mkv"
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# STEP 3
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# Outro mit Crossfade vom letzten Chunk
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echo "==== STEP 3 ===="
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FOO=$(echo "${END_OFFSET} - ${CROSSFADE_DURATION}" | bc)
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ffmpeg -i "$SELECTED_OUTRO" -t "$END_OFFSET" -i "${CHUNKS_ARRAY[$((${#CHUNKS_ARRAY[@]} - 1))]}" \
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echo "Rendering outro transition:"
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echo "Outro duration: ${OUTRO_DURATION}"
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echo "Outro offset: ${OUTRO_OFFSET}"
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echo "Crossfade duration: ${CROSSFADE_DURATION}"
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ffmpeg \
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-i "${SELECTED_OUTRO}" \
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-t "${END_OFFSET}" -accurate_seek -i "${CHUNKS_ARRAY[$((${#CHUNKS_ARRAY[@]} - 1))]}" \
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-filter_complex \
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"[1:v:0]format=pix_fmts=yuv420p,fps=50[v1]; \
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[0:v:0]format=pix_fmts=yuv420p,fps=50[v0]; \
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[v1][v0]xfade=transition=fade:duration=${CROSSFADE_DURATION}:offset=${FOO}[v]; \
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[1:a:0]afade=t=out:st=${FOO}:d=${CROSSFADE_DURATION}[a1]; \
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[0:a:0]afade=t=in:st=0:d=${CROSSFADE_DURATION}[a0]; \
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[a1][a0]acrossfade=d=1[a]" \
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-map "[v]" -map "[a]" \
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"[0:v:0]format=pix_fmts=yuv420p,fps=50[voutro]; \
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[1:v:0]format=pix_fmts=yuv420p,fps=50[vchunkn]; \
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[vchunkn][voutro]xfade=transition=fade:duration=${CROSSFADE_DURATION}:offset=${OUTRO_OFFSET}[vout]; \
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[1:a:0]afade=type=out:start_time=${OUTRO_OFFSET}:duration=${CROSSFADE_DURATION}[achunkn]; \
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[0:a:0]atrim=start=${CROSSFADE_DURATION}:end=${OUTRO_DURATION}[atrim]; \
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[atrim]asetpts=PTS-STARTPTS[aoutro]; \
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[achunkn][aoutro]concat=n=2:v=0:a=1[aout]" \
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-map '[vout]' -map '[aout]' \
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-c:a aac -b:a 192k \
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-c:v libx264 -threads 0 -pix_fmt yuv420p -crf 18 -profile:v high -level 4.1 -disposition default \
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-metadata:s:a:0 language=native \
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"${WORKDIR}/outrocombined.mkv"
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# STEP 4
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# STEP 3
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# Encoded intro+outro und alle Chunks in between mit c:v copy und audio dynnorm + encode
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echo "==== STEP 4 ===="
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echo "==== STEP 3 ===="
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CHUNKLIST="${WORKDIR}/chunklist.txt"
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@ -226,7 +256,7 @@ echo "file '${WORKDIR}/introcombined.mkv'" > "$CHUNKLIST"
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FFMPEG_CONCAT_CHUNKS=""
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if [[ ${ARRAY_LENGTH} -gt 2 ]]
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then
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for index in $(seq 1 $(( ${ARRAY_LENGTH} - 2 )) )
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for index in $(seq 1 $(( ARRAY_LENGTH - 2 )) )
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do
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FFMPEG_CONCAT_CHUNKS="${FFMPEG_CONCAT_CHUNKS}|${CHUNKS_ARRAY[index]}"
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echo "file '${CHUNKS_ARRAY[index]}'" >> "$CHUNKLIST"
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29
render.sh
29
render.sh
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@ -1,29 +0,0 @@
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#!/bin/bash
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set -euxo pipefail
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INTRO="$1"
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RECORDING="$2"
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OUTRO="${3:-intros/outro_ccbysa.mkv}"
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START_SECONDS="$3"
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STOP_SECONDS="$4"
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DURATION_SECONDS=$(($STOP_SECONDS - $START_SECONDS))
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FADEOUT_SECONDS=$(($DURATION_SECONDS - 1))
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ffmpeg -i "$INTRO" \
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-ss $START_SECONDS -t $DURATION_SECONDS -i "$RECORDING" \
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-i "$OUTRO" -filter_complex \
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"[1:v:0]fade=t=in:st=0:d=0.2[x];[x]fade=t=out:st=$FADEOUT_SECONDS:d=1.0[y];\
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[1:a:0]afade=t=in:st=0:d=0.2[a];[a]afade=t=out:st=$FADEOUT_SECONDS:d=1.0[b];\
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[b]dynaudnorm[bd];\
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[0:v:0][0:a:0]\
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[y][bd]\
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[2:v:0][2:a:0]\
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concat=n=3:v=1:a=1\
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[v][a0]" \
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-map '[v]' -map '[a0]' \
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-c:a aac -b:a 192k \
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-c:v libx264 -threads 0 -pix_fmt yuv420p -crf 18 -profile:v high -level 4.1 -disposition default \
|
||||
-metadata:s:a:0 language=native \
|
||||
"rendered_recordings/$(basename -s .mp4 ${INTRO})_$(basename -s .mkv ${RECORDING})_COMBINED.mkv"
|
||||
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Reference in New Issue