74 lines
1.6 KiB
Bash
74 lines
1.6 KiB
Bash
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#!/bin/bash -e
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#####################################################
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#
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# Youtube: https://trac.ffmpeg.org/wiki/Encode/YouTube
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# Vimeo: https://vimeo.zendesk.com/hc/en-us/articles/360056550451-Video-and-audio-compression-guidelines
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#
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# Usage: bash ffmpeg/basic/social.sh <input video>
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#
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#####################################################
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INPUT=`realpath "${1}"`
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FILENAME=`basename "${INPUT}"`
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FILE="${FILENAME%.*}"
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INPUTDIR=`dirname "${INPUT}"`
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if [ "${INPUT}" == "" ]; then
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echo "Please provide an input video as your first argument"
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exit 1
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fi
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YOUTUBE="${INPUTDIR}/${FILE}-youtube.mkv"
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VIMEO="${INPUTDIR}/${FILE}-vimeo.mkv"
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TWITTER="${INPUTDIR}/${FILE}-twitter.mp4"
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INSTAGRAM="${INPUTDIR}/${FILE}-instagram.mp4"
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# Encode a video for YouTube
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ffmpeg -i "${INPUT}" \
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-vcodec libx264 \
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-preset slow \
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-vf "pad=ceil(iw/2)*2:ceil(ih/2)*2" \
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-pix_fmt yuv420p \
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-crf 12 \
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-c:a aac \
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-b:a 192k \
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"${YOUTUBE}"
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# Encode a video for Vimeo using the
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# recommended settings for 720p video
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ffmpeg -i "${INPUT}" \
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-vcodec libx264 \
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-preset slow \
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-pix_fmt yuv420p \
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-profile:v main \
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-b:v 7500k \
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-minrate 5000k \
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-maxrate 10000k \
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-c:a aac \
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-ar 48000 \
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"${VIMEO}"
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# Encode video for Twitter
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ffmpeg -i "${INPUT}" \
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-pix_fmt yuv420p \
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-vcodec libx264 \
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-acodec aac \
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-vb 2048k\
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-minrate 1024k \
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-maxrate 4096k \
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-bufsize 1024k \
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-ar 44100 \
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-ac 2 \
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-strict experimental \
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"${TWITTER}"
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# Crop and encode for Instagram
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ffmpeg -i "${INPUT}" \
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-vf "crop=w='min(iw\,ih)':h='min(iw\,ih)',setsar=1" \
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-framerate 30 \
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-vcodec mpeg4 \
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-vb 8000k \
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-strict experimental \
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-q:v 0 \
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"${INSTAGRAM}"
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