54 lines
1.6 KiB
Bash
54 lines
1.6 KiB
Bash
#!/usr/bin/env bash
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# A fast video trim that might result in some weird playback cursor timings,
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# e.g. video player might show negative seconds at the start of the vid or the
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# playback time might oscillate a bit. Use trim-video for accurate trimming at
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# the cost of a much slower processing time.
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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_name="$2"
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start_time="$3"
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end_time="$4"
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if [[ $filename == "" || $output_name == "" || $start_time == "" || $end_time == "" ]]; then
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printf "${BOLD}${RED}Usage: trim-video-fast <filename> <output name> <start time HH:MM:SS> <end time HH:MM:SS>${NORMAL}\n"
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exit 1
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fi
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extension="${filename##*.}"
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filename="${filename%.*}"
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output="${output_name}.$extension"
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timing_args="-ss $start_time -to $end_time"
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printf "\n${YELLOW}${BOLD}Trimming '$filename.$extension' | output: $output | start: $start_time | end: $end_time${NORMAL}\n"
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# You might have issues if the file has multiple video streams or embedded subtitles. The -map 0 arg is typically given
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# when copying a video stream, but I'm not sure if it's appropriate to use here.
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ffmpeg -y -stats -loglevel level+error $timing_args -i "$filename.$extension" -c copy "$output"
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printf "\n${GREEN}${BOLD}Finished trimming${NORMAL}\n\n"
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