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#!/bin/bash
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set -o pipefail
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IFS=$'\n\t'
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pro_dir="/opt/amdgpu-pro/etc/vulkan/icd.d"
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export LD_LIBRARY_PATH="/opt/amdgpu/libdrm/lib64:/opt/amdgpu/libdrm/lib32:$LD_LIBRARY_PATH"
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export VK_ICD_FILENAMES="${pro_dir}/amd_icd32.json:${pro_dir}/amd_icd64.json:$VK_ICD_FILENAMES"
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function get_subtitles() {
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# Try to get english subs if not then get all of them
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jq -r '.streams[] | select(.codec_type=="subtitle") | select(.tags.language | contains("en")) | .index' <"${video}.json" ||
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jq -r '.streams[] | select(.codec_type=="subtitle") | .index' <"${video}.json"
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}
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function getinfo() {
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if [[ ! -f "${video}.json" ]]; then
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ffprobe -v quiet -print_format json -show_streams "${video}" >"${video}.json"
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fi
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d=$(dirname "${video}")
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filename=$(basename "${video}")
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filename="${filename%.*}"
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video_codec=$(jq -r '.streams[0].codec_name' <"${video}.json")
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video_height=$(jq -r '.streams[0].height' <"${video}.json")
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sub_indexes=$(get_subtitles)
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video_size=$(stat -c%s "${video}")
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video_size_50=$((video_size * 50 / 100))
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_filename=$(echo "${filename}" | sed -e 's/h264/x265/g' -e 's/x264/x265/g' -e 's/AVC/x265/g' -e 's/XviD/x265/g')
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echo -e "${video} // ${video_codec} // ${video_height} // ${video_size}"
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}
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function extract_subtitles() {
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for subtitle in ${sub_indexes}; do
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nice -n 18 ffmpeg -hide_banner -loglevel error -n -threads 4 -i "${video}" -map "0:${subtitle}" "${video}_${subtitle}.srt"
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done
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}
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function convert_video_memory() {
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nice -n 19 ffmpeg -hide_banner -loglevel info -y -threads 4 -hwaccel vaapi -hwaccel_output_format vaapi -vaapi_device /dev/dri/renderD128 -analyzeduration 20000000 -probesize 20000000 \
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-i "${video}" -map 0:v -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy -c:a copy \
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-vf 'scale_vaapi=format=p010,scale_vaapi=w=1920:-2' -c:v hevc_vaapi -profile:v main10 \
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-max_muxing_queue_size 1024 -movflags +faststart -movflags use_metadata_tags "/dev/shm/${_filename}.mkv" || exit 1
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mv -vu "/dev/shm/${_filename}" "${d}/${_filename}" || rm -f "/dev/shm/${_filename}.mkv"
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file_size=$(stat -c%s "${d}/${_filename}.mp4")
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if ((file_size >= video_size_50)); then
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cleanup
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fi
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}
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function convert_video_audio_problems() {
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nice -n 19 ffmpeg -hide_banner -loglevel info -y -threads 4 -hwaccel vaapi -hwaccel_output_format vaapi -vaapi_device /dev/dri/renderD128 -analyzeduration 20000000 -probesize 20000000 \
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-i "${video}" -map 0:v -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy \
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-c:a libopus -b:a 128k -vbr on -compression_level 10 -frame_duration 60 -application audio -mapping_family 1 -ac 2 \
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-vf 'scale_vaapi=format=p010,scale_vaapi=w=1920:-2' -c:v hevc_vaapi -profile:v main10 \
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-max_muxing_queue_size 1024 -movflags +faststart -movflags use_metadata_tags "${d}/${_filename}.mkv" || exit 1
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file_size=$(stat -c%s "${d}/${_filename}.mp4")
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if ((file_size >= video_size_50)); then
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cleanup
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fi
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}
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function convert_video() {
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nice -n 19 ffmpeg -hide_banner -loglevel info -y -threads 4 -hwaccel vaapi -hwaccel_output_format vaapi -vaapi_device /dev/dri/renderD128 -analyzeduration 20000000 -probesize 20000000 \
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-i "${video}" -map 0:v -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy -c:a copy \
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-vf 'scale_vaapi=format=p010,scale_vaapi=w=1920:-2' -c:v hevc_vaapi -profile:v main10 \
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-max_muxing_queue_size 1024 -movflags +faststart -movflags use_metadata_tags "${d}/${_filename}.mkv" || exit 1
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file_size=$(stat -c%s "${d}/${_filename}.mp4")
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if ((file_size >= video_size_50)); then
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cleanup
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fi
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}
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function convert_video_qsv_memory() {
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nice -n 19 ~/Downloads/ffmpeg/ffmpeg -hide_banner -loglevel quiet -y -threads 4 -hwaccel qsv -hwaccel_output_format qsv -analyzeduration 20000000 -probesize 20000000 \
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-i "${video}" -map 0:v:0 -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy -c:a copy \
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-c:v hevc_qsv -low_power false -preset 4 -profile:v 1 -scenario 3 -look_ahead 1 -global_quality 20 \
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-max_muxing_queue_size 1024 -movflags +faststart -movflags use_metadata_tags "/dev/shm/${_filename}.mkv" || exit 1
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mv -vu "/dev/shm/${_filename}" "${d}/${_filename}" || rm -f "/dev/shm/${_filename}.mkv"
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file_size=$(stat -c%s "${d}/${_filename}.mp4")
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if ((file_size >= video_size_50)); then
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cleanup
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fi
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}
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function convert_video_qsv() {
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nice -n 19 ~/Downloads/ffmpeg/ffmpeg -hide_banner -loglevel quiet -y -threads 4 -hwaccel qsv -hwaccel_output_format qsv -analyzeduration 20000000 -probesize 20000000 \
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-i "${video}" -map 0:v:0 -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy -c:a copy \
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-c:v hevc_qsv -low_power false -preset 4 -profile:v 1 -scenario 3 -look_ahead 1 -global_quality 20 \
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-max_muxing_queue_size 1024 -movflags +faststart -movflags use_metadata_tags "${d}/$_filename.mkv" || exit 1
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file_size=$(stat -c%s "${d}/${_filename}.mp4")
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if ((file_size >= video_size_50)); then
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cleanup
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fi
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}
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function remux_video() {
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extract_subtitles
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ffmpeg -hide_banner -loglevel info -y -threads 4 -i "${video}" -c: copy -movflags +faststart -movflags use_metadata_tags "${d}/${_filename}.mp4" || exit 1
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find "${d}" -size 0 -delete
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file_size=$(stat -c%s "${d}/${_filename}.mp4")
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if ((file_size >= video_size)); then
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cleanup
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fi
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}
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function cleanup() {
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find "${d}" -size 0 -delete
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rm -vf "${video}" "${video}.json"
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}
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for video; do
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getinfo
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if [[ ${video_codec} =~ "av1" ]]; then
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exit
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fi
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if [[ ! ${video_codec} =~ "hevc" || ${video_height} -gt 1080 ]]; then
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convert_video_qsv
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fi
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done
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