43 lines
1.9 KiB
Bash
Executable File
43 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# Transcodes a file to x264 with VA API acceleration.
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# Set the $FILE variable to act on. Varies with file manager, but Dolphin's servicemenus and CLI both use $1
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if ! [ -z $NAUTILUS_SCRIPT_SELECTED_FILE_PATHS ]; then
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echo "$NAUTILUS_SCRIPT_SELECTED_FILE_PATHS" > ~/.nautilus_script_selected_file_paths
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if (( $(grep -c . <<<"$(cat ~/.nautilus_script_selected_file_paths)") > 1 )); then notify-send -u critical "Script error" "Selecting more than 1 file is not supported."; exit 1; fi
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rm ~/.nautilus_script_selected_file_paths
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INPUT_FILE="$NAUTILUS_SCRIPT_SELECTED_FILE_PATHS"
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elif ! [ -z "$1" ]; then
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INPUT_FILE="$1"
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else
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echo "No file selected."
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exit 1
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fi
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RATE_FACTOR=""
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while [ -z "$RATE_FACTOR" ]; do
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RATE_FACTOR=$(kdialog --title "Transcode: x264 Rate factor" --inputbox "Rate factor (15-28, lower is higher fidelity, higher bitrate.")
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if ! (($RATE_FACTOR >= 15 && $RATE_FACTOR <= 28)); then
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RATE_FACTOR=""
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fi
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done
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# Break up the input file's parts so we know the:
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# - absolute path (e.g. /home/user/Videos/MyVideo.mkv)
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# - file name (with extension) (e.g. MyVideo.mkv)
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# - file extension (e.g. mkv)
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# - file name (without extension) (e.g. MyVideo)
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# - composed output file absolute path (e.g. /home/user/Videos/MyVideo-clip.mp4)
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INPUT_FILE=$(realpath "$INPUT_FILE")
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FILE_PATH=$(dirname "$INPUT_FILE")
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FILE_NAME=$(basename "$INPUT_FILE")
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FILE_EXT="${FILE_NAME##*.}"
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FILE_NAME="${FILE_NAME%.*}"
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OUTFILE=$(echo "$FILE_PATH/$FILE_NAME.x264.$FILE_EXT")
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# Actual transcoding happens here:
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notify-send -t 2000 "Transcode starting" "$FILE_NAME"
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ffmpeg -hide_banner -vaapi_device /dev/dri/renderD128 -i "$INPUT_FILE" -c:v h264_vaapi -qp $RATE_FACTOR -c:a copy "$OUTFILE"
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notify-send -t 4000 "Transcode complete" "$FILE_NAME"
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ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.mp4 -c:v h264_vaapi -b:v 2M -maxrate 2M output.mp4 |