67 lines
2.3 KiB
Bash
67 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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# Re-encodes the video to get a more accurate timeline. Same settings as trim-video-vbr.
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# If you want fast video joining at the expense of accuracy then use join-video-fast.
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if which tput >/dev/null 2>&1; then
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ncolors=$(tput colors)
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fi
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if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
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RED="$(tput setaf 1)"
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GREEN="$(tput setaf 2)"
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YELLOW="$(tput setaf 3)"
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BLUE="$(tput setaf 4)"
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MAGENTA="$(tput setaf 5)"
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CYAN="$(tput setaf 6)"
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BOLD="$(tput bold)"
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NORMAL="$(tput sgr0)"
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else
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RED=""
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GREEN=""
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YELLOW=""
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BLUE=""
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MAGENTA=""
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CYAN=""
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BOLD=""
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NORMAL=""
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fi
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filename=$(basename -- "$1")
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output="$2"
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target_crf="$3"
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max_bitrate_mb="$4"
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default_crf="20"
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default_max_bitrate="6"
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if [[ $filename == "" || $output == "" ]]; then
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printf "${BOLD}${RED}Usage: create a text file that lists the input video paths on separate lines using the format: file '/path/to/video'. Then call:\n\njoin-video <list filename> <output name> <optional: crf (quality, w/ lower = more compression) - defaults to $default_crf, use 0 for no value> <optional: max bitrate in MB - defaults to ${default_max_bitrate}M><${NORMAL}\n"
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exit 1
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fi
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extension="${output##*.}"
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if [[ $extension == $output ]]; then
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printf "${BOLD}${RED}output arg should have an extension!\n\nUsage: join-video <list filename> <output name> <optional: crf (quality, w/ lower = more compression) - defaults to $default_crf, use 0 for no value> <optional: max bitrate in MB - defaults to ${default_max_bitrate}M><${NORMAL}\n"
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exit 1
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fi
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if [[ $target_crf == "" || $target_crf == "0" ]] then
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target_crf=$default_crf
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fi
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if [[ $max_bitrate_mb == "" ]] then
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max_bitrate_mb=$default_max_bitrate
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fi
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# bufsize is typically double the maxrate
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bufsize=$((max_bitrate_mb * 2))
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bufsize="${bufsize}M"
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max_bitrate="${max_bitrate_mb}M"
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printf "\n${YELLOW}${BOLD}Joining contents of '$filename' | output: $output | crf: $target_crf | max rate: $max_bitrate | buffer size: $bufsize ${NORMAL}\n"
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time ffmpeg -y -stats -loglevel level+error -hwaccel cuda -hwaccel_output_format cuda -f concat -safe 0 -accurate_seek -i "$filename" -c:v h264_nvenc -profile:v high -preset 3 -rc:v vbr -cq:v $target_crf -maxrate:v $max_bitrate -bufsize:v $bufsize -c:a copy -movflags +faststart "$output"
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printf "\n${GREEN}${BOLD}Finished joining${NORMAL}\n\n"
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