80 lines
2.7 KiB
Bash
80 lines
2.7 KiB
Bash
#!/usr/bin/env bash
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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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use_gpu=$1
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use_crf=$2
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output_name="$4"
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start_time="$5"
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end_time="$6"
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if [[ $use_gpu == "" || $use_crf == "" || $3 == "" || $output_name == "" || ($start_time != "" && $end_time == "") ]]; then
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printf "${BOLD}${RED}Usage: $0 <use-gpu (1|0)> <crf value> <filename> <output name> <optional start time HH:MM:SS> <optional end time HH:MM:SS>\n\nIf you want to encode a range of CRF values then use -1 as the crf value.${NORMAL}\n"
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exit 1
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fi
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filename=$(basename -- "$3")
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extension="${filename##*.}"
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filename="${filename%.*}"
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function encode() {
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crf=$1
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output="${output_name}.$extension"
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printf "\n${YELLOW}${BOLD}Encoding '$filename.$extension' | GPU: $use_gpu | CRF $crf | output: $output | start: $start_time | end: $end_time${NORMAL}\n"
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timing_args=""
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if [[ $start_time != "" ]]; then
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timing_args+="-ss $start_time -to $end_time"
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fi
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if [[ $use_gpu -eq 1 ]]; then
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# File will be slightly larger than CPU encoding, but it's much faster to transcode and doesn't max out the CPU cores.
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#ffmpeg version N-103152-gef54590f83-20210806
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# This version of ffmpeg results in larger files than version 4.3.1 command below.
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#ffmpeg -y -stats -loglevel level+error $timing_args -vsync 0 -hwaccel_output_format cuda -c:v h264_cuvid -i "$filename.$extension" -c:a copy -c:v h264_nvenc -profile:v high -rc:v vbr -cq:v $crf -b:v 5M -maxrate 5M -max_muxing_queue_size 9999 "$output"
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#ffmpeg version 4.3.1-2020-11-08
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ffmpeg -y -stats -loglevel level+error $timing_args -vsync 0 -hwaccel cuvid -c:v h264_cuvid -i "$filename.$extension" -c:a copy -c:v h264_nvenc -profile:v high -rc:v vbr_hq -cq:v $crf -b:v 5M -maxrate 5M -max_muxing_queue_size 9999 "$output"
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else
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ffmpeg $timing_args -i "$filename.$extension" -c:v libx264 -crf $crf -preset veryfast -profile:v baseline -level 3.0 -strict -2 "$output"
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fi
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printf "\n${GREEN}${BOLD}Done encoding '$filename.$extension' (CRF $crf) | output name '$output'${NORMAL}\n\n"
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}
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if [[ $use_crf -ne -1 ]]; then
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encode $use_crf
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else
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printf "\n${YELLOW}${BOLD}Encoding using a range of CRF values.${NORMAL}\n"
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# Bigger crf values == bigger compression.
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for crf in {25..28}
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do
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encode $crf
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done
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fi
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