@ -5,8 +5,8 @@
# The will also remux existing video to a streaming optimized mp4 container
# If it can remux your video it will extract subtitles and delete the mkv container
# .FYI
# QSV S upport requires compiling your own ffmpeg
# --enable-gpl --enable-version3 --enable-gnutls --enable-libaom --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree --enable-libmfx
# QSV and libfdk_aac s upport requires compiling your own ffmpeg
# --enable-gpl --enable-version3 --enable-gnutls --enable-libaom --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree --enable-libfdk-aac --enable-lib mfx
# .LICENSE [MIT]
# Copyright © 2023 Hugh Smalley
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
@ -21,12 +21,14 @@ pro_dir="/opt/amdgpu-pro/etc/vulkan/icd.d"
export LD_LIBRARY_PATH="/opt/amdgpu/libdrm/lib64:/opt/amdgpu/libdrm/lib32:$LD_LIBRARY_PATH"
export VK_ICD_FILENAMES="${pro_dir}/amd_icd32.json:${pro_dir}/amd_icd64.json:$VK_ICD_FILENAMES"
# Selects english subs failing that it will get all subs
function get_subtitles() {
# Try to get english subs if not then get all of them
jq -r '.streams[] | select(.codec_type=="subtitle") | select(.tags.language | contains("en")) | .index' <"${video}.json" ||
jq -r '.streams[] | select(.codec_type=="subtitle") | .index' <"${video}.json"
}
# Get all the info needed on the video file
function getinfo() {
if [[ ! -f "${video}.json" ]]; then
ffprobe -v quiet -print_format json -show_streams "${video}" >"${video}.json"
@ -44,6 +46,7 @@ function getinfo() {
echo -e "${video} // ${video_codec} // ${video_height} // ${video_size}"
}
# Extract subtitles. Tries other formats if possible. Uses .sup as last option
function extract_subtitles() {
for subtitle in ${sub_indexes}; do
nice -n 18 ffmpeg -hide_banner -loglevel error -n -threads 4 -i "${video}" -map "0:${subtitle}" "${d}/${_filename}_${subtitle}.srt" ||
@ -53,7 +56,8 @@ function extract_subtitles() {
done
}
function convert_video_memory() {
# Use VAAPI to transcode video into memory then move it back to disk
function convert_video_vappi_memory() {
nice -n 19 ffmpeg -hide_banner -loglevel quiet -y -threads 4 -hwaccel vaapi -hwaccel_output_format vaapi -vaapi_device /dev/dri/renderD128 -analyzeduration 20000000 -probesize 20000000 \
-i "${video}" -map 0:v -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy -c:a copy \
-vf 'scale_vaapi=format=p010,scale_vaapi=w=1920:-2' -c:v hevc_vaapi -profile:v main10 \
@ -66,20 +70,8 @@ function convert_video_memory() {
fi
}
function convert_video_audio_problems() {
nice -n 19 ffmpeg -hide_banner -loglevel quiet -y -threads 4 -hwaccel vaapi -hwaccel_output_format vaapi -vaapi_device /dev/dri/renderD128 -analyzeduration 20000000 -probesize 20000000 \
-i "${video}" -map 0:v -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy \
-c:a libopus -b:a 128k -vbr on -compression_level 10 -frame_duration 60 -application audio -mapping_family 1 -ac 2 \
-vf 'scale_vaapi=format=p010,scale_vaapi=w=1920:-2' -c:v hevc_vaapi -profile:v main10 \
-max_muxing_queue_size 1024 -movflags +faststart -movflags use_metadata_tags "${d}/${_filename}.mkv" || exit 1
file_size=$(stat -c%s "${d}/${_filename}.mp4")
# To account for the space space savings of being converted
if ((file_size >= video_size_50)); then
cleanup
fi
}
function convert_video() {
# Use VAAPI to transcode video
function convert_video_vaapi() {
nice -n 19 ffmpeg -hide_banner -loglevel quiet -y -threads 4 -hwaccel vaapi -hwaccel_output_format vaapi -vaapi_device /dev/dri/renderD128 -analyzeduration 20000000 -probesize 20000000 \
-i "${video}" -map 0:v -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy -c:a copy \
-vf 'scale_vaapi=format=p010,scale_vaapi=w=1920:-2' -c:v hevc_vaapi -profile:v main10 \
@ -91,6 +83,7 @@ function convert_video() {
fi
}
# Use Quick Sync to transcode video into memory then move it back to disk
function convert_video_qsv_memory() {
nice -n 19 ~/Downloads/ffmpeg/ffmpeg -hide_banner -loglevel quiet -y -threads 4 -hwaccel qsv -hwaccel_output_format qsv -analyzeduration 20000000 -probesize 20000000 \
-i "${video}" -map 0:v:0 -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy -c:a copy \
@ -104,6 +97,7 @@ function convert_video_qsv_memory() {
fi
}
# Use Quick Sync to transcode video
function convert_video_qsv() {
nice -n 19 ~/Downloads/ffmpeg/ffmpeg -hide_banner -loglevel quiet -y -threads 4 -hwaccel qsv -hwaccel_output_format qsv -analyzeduration 20000000 -probesize 20000000 \
-i "${video}" -map 0:v:0 -map 0:a -map 0:s? -map 0:d? -map 0:t? -c:s copy -c:a copy \
@ -116,6 +110,7 @@ function convert_video_qsv() {
fi
}
# Remux video to mp4 while dropping upsupported codecs like FLAC, OPUS, etc. You can end up with files that have no audio with this option
function remux_video_drop_unsupported() {
ffmpeg -hide_banner -loglevel quiet -y -threads 4 -i "${video}" -c: copy -movflags +faststart -movflags use_metadata_tags "${d}/${_filename}.mp4" || exit 1
extract_subtitles
@ -126,25 +121,27 @@ function remux_video_drop_unsupported() {
fi
}
# Remux the video file to mp4 cotainers. Most failures are caused by audio that can not be stored in a mp4 container. So this will transcode audio to AAC when needed.
function remux_video() {
ffmpeg -hide_banner -loglevel quiet -y -threads 4 -i "${video}" -map 0:v -map 0:a -c: copy -movflags +faststart -movflags use_metadata_tags "${d}/${_filename}.mp4" || exit 1
~/Downloads/ffmpeg/ffmpeg -hide_banner -loglevel quiet -y -threads 4 -i "${video}" -map 0:v -map 0:a -c: copy -movflags +faststart -movflags use_metadata_tags "${d}/${_filename}.mp4" ||
ffmpeg -hide_banner -loglevel quiet -y -threads 4 -i "${video}" -map 0:v -map 0:a -c:v copy \
-c:a libfdk_aac -b:a 384k -movflags +faststart -movflags use_metadata_tags "${d}/${_filename}.mp4" || exit 1
file_size=$(stat -c%s "${d}/${_filename}.mp4")
# To account for loss of bitmap subtitles
if ((file_size >= video_size_75)); then
cleanup
fi
}
# Cleans up the leftovers
function cleanup() {
find "${d}" -size 0 -delete
rm -vf "${video}" "${video}.json"
find "${d}" -size -1k -delete
}
for video; do
getinfo
[[ ${video_codec} =~ "av1" ]] && exit
[[ ${video_codec} =~ "hevc" ]] || convert_video_qsv
[[ ${video_codec} =~ "hevc" ]] && extract_subtitles
[[ ${video_codec} =~ "hevc" ]] && remux_video
[[ ${video_codec} =~ "hevc" ]] || convert_video
find "${d}" -size 0 -delete
done
Hugh Smalley
1 year ago