forked from cwtv/stuff
Adding render chunks
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@ -53,9 +53,32 @@ convert_image_to_video() {
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local fade_in="$4"
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local fade_out="$5"
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ffmpeg -loop 1 -t "$duration" -i "$image_file" -f lavfi -i anullsrc=r=48000:cl=stereo \
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-vf "fade=t=in:st=0:d=$fade_in,fade=t=out:st=$(($duration - $fade_out)):d=$fade_out,format=yuv420p" \
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-r 50 -c:v libx264 -c:a aac -b:a 192k -t "$duration" "$output_video"
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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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@ -104,7 +127,7 @@ I will be rendering with the following configuration:
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+ Video Chunks:
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+ First chunk: ${CHUNKS_ARRAY[0]}
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Starting at second ${START_OFFSET}
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+ Last chunk: ${CHUNKS_ARRAY[-1]}
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+ Last chunk: ${CHUNKS_ARRAY[$((${#CHUNKS_ARRAY[@]} - 1))]}
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Ending at second ${END_OFFSET}
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+ All chunks:
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EOT
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@ -137,39 +160,64 @@ function finish {
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trap finish EXIT
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# STEP 2
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# introfile with first chunk and crossfade encode
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# Dauer des Intros ermitteln
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echo "==== STEP 2 ===="
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DURATION_INTRO=$(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 "${CHUNKS_ARRAY[0]}" ]]; then
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echo "Fehler: CHUNKS_ARRAY ist leer oder nicht definiert."
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exit 1
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fi
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CROSSFADE_DURATION="0.5"
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# Intro mit Crossfade zum ersten Chunk
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ffmpeg -i "$SELECTED_INTRO" -ss "$START_OFFSET" -i "${CHUNKS_ARRAY[0]}" \
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-filter_complex \
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"[1:v:0]fade=t=in:st=0:d=0.2[x];
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[1:a:0]afade=t=in:st=0:d=0.2[a];
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[0:v:0][0:a:0]
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[x][a]
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concat=n=2:v=1:a=1
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[v0][a0]" \
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-map '[v0]' -map '[a0]' \
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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=${CROSSFADE_DURATION}[a]; \
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[0:a:0][a]concat=n=2:v=0:a=1[a0]" \
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-map '[v]' -map '[a0]' \
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-c:a aac -b:a 192k \
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-c:v libx264 -threads 0 -pix_fmt yuv420p -crf 18 -profile:v high -level 4.1 -disposition default \
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-c:v libx264 -threads 4 -pix_fmt yuv420p -crf 18 -profile:v high -level 4.1 -disposition default \
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-movflags +faststart \
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-metadata:s:a:0 language=native \
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"${WORKDIR}/introcombined.mkv"
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# STEP 3
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# outrofile with last chunk and corssface encode
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ffmpeg -i "$SELECTED_OUTRO" -t "$END_OFFSET" -i "${CHUNKS_ARRAY[-1]}" \
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# Outro mit Crossfade vom letzten Chunk
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echo "==== STEP 3 ===="
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FOO=$(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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-filter_complex \
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"[1:v:0]fade=t=out:st=$(($END_OFFSET - 1)):d=1.0[x];
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[1:a:0]afade=t=out:st=$(($END_OFFSET - 1)):d=1.0[a];
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[x][a]
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[0:v:0][0:a:0]
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concat=n=2:v=1:a=1
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[v0][a0]" \
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-map '[v0]' -map '[a0]' \
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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=${CROSSFADE_DURATION}[a0]; \
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[a1][a0]acrossfade=d=1[a]" \
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-map "[v]" -map "[a]" \
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-c:a aac -b:a 192k \
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-c:v libx264 -threads 0 -pix_fmt yuv420p -crf 18 -profile:v high -level 4.1 -disposition default \
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-metadata:s:a:0 language=native \
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"${WORKDIR}/outrocombined.mkv"
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# STEP 4
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# encoded intro+outro and all chunks in between with c:v copy and audio dynnorm + encode
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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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CHUNKLIST="${WORKDIR}/chunklist.txt"
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