33 lines
674 B
Text
33 lines
674 B
Text
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#!/bin/bash
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# complain if no input file given
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if [ $# -lt 1 ]; then
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>&2 echo "usage: $0 <input_file>"
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exit 1
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fi
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# get input video name
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input="${1}"
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shift 1
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# without file extension
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output_base="${input%.*}"
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# common video resolutions
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heights=(240 360 480)
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widths=(426 640 854)
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# just a quick-and-dirty loop
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for index in $(seq 0 2); do
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height="${heights[$index]}"
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width="${widths[$index]}"
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# actual conversion
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ffmpeg -i "${input}" \
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-acodec aac -vcodec h264 \
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-vf "scale=w=${width}:h=${height}:force_original_aspect_ratio=decrease,pad=${width}:${height}:(ow-iw)/2:(oh-ih)/2" \
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"${output_base}_${height}.mp4"
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done
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exit 0
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