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April 29, 2017 08:40
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convert web video macOS
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| #!/bin/bash | |
| # brew install ffmpeg --with-libvpx --with-libvorbis --with-theora --with-fdk-aac | |
| # For this to work, you need to have ffmpeg | |
| # installed with libvorbis, theora and libvpx ENABLED | |
| # to do that in Homebrew: | |
| # brew reinstall ffmpeg --with-libvpx --with-libvorbis --with-theora | |
| # | |
| # encoding reference: | |
| # https://blog.mediacru.sh/2013/12/23/The-right-way-to-encode-HTML5-video.html | |
| VIDSOURCE="${1}" | |
| function convert { | |
| VEXT="${1}" | |
| VCODEC="" | |
| ACODEC="" | |
| SIZE="${2}" | |
| VBITRATE="${3}" | |
| ABITRATE="${4}" | |
| FRAMERATE="${5}" | |
| OUTPUT="v_${SIZE}_${VBITRATE}.${VEXT}" | |
| PROFILE="" | |
| if [[ "${SIZE}" == "240" ]]; then | |
| SIZE="320x240" | |
| elif [[ "${SIZE}" == "360" ]]; then | |
| SIZE="640x360" | |
| elif [[ "${SIZE}" == "480" ]]; then | |
| SIZE="854x480" | |
| elif [[ "${SIZE}" == "720" ]]; then | |
| SIZE="1280x720" | |
| elif [[ "${SIZE}" == "1080" ]]; then | |
| SIZE="1920x1080" | |
| fi | |
| if [[ "${VEXT}" == "mp4" ]]; then | |
| VCODEC="libx264" | |
| ACODEC="aac" | |
| PROFILE="-profile:v baseline" | |
| elif [[ "${VEXT}" == "webm" ]]; then | |
| VCODEC="libvpx" | |
| ACODEC="libvorbis" | |
| elif [[ "${VEXT}" == "ogg" ]]; then | |
| VCODEC="libtheora" | |
| ACODEC="libvorbis" | |
| fi | |
| ffmpeg -y -i ${VIDSOURCE} -c:v ${VCODEC} -s:v ${SIZE} -r:v ${FRAMERATE} -b:a ${ABITRATE}k -ac 2 -c:a ${ACODEC} -b:v ${VBITRATE}k -maxrate ${VBITRATE}k -bufsize ${VBITRATE}k ${PROFILE} ${OUTPUT} | |
| } | |
| # 360p | |
| convert webm 360 1000 98 24 | |
| convert webm 360 850 98 24 | |
| convert webm 360 700 98 24 | |
| convert ogg 360 1000 98 24 | |
| convert ogg 360 850 98 24 | |
| convert ogg 360 700 98 24 | |
| convert mp4 360 1000 98 24 | |
| convert mp4 360 850 98 24 | |
| convert mp4 360 700 98 24 | |
| # 480p | |
| convert webm 480 1450 128 24 | |
| convert webm 480 1300 128 24 | |
| convert webm 480 1000 128 24 | |
| convert ogg 480 1450 128 24 | |
| convert ogg 480 1300 128 24 | |
| convert ogg 480 1000 128 24 | |
| convert mp4 480 1450 128 24 | |
| convert mp4 480 1300 128 24 | |
| convert mp4 480 1000 128 24 | |
| # 720p | |
| convert webm 720 1900 160 24 | |
| convert webm 720 1750 160 24 | |
| convert webm 720 1600 160 24 | |
| convert ogg 720 1900 160 24 | |
| convert ogg 720 1750 160 24 | |
| convert ogg 720 1600 160 24 | |
| convert mp4 720 1900 160 24 | |
| convert mp4 720 1750 160 24 | |
| convert mp4 720 1600 160 24 |
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