97 lines
2.5 KiB
Bash
97 lines
2.5 KiB
Bash
#!/usr/bin/env bash
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# This is for reencoding a non-mp4 video to mp4 using an mpeg4 encoder.
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# Can optionally compress the video.
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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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compress="$1"
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filename="$2"
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output_name="$3"
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bitrate="$4"
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if [[ $compress == "" || $filename == "" || $output_name == "" ]]; then
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printf "${BOLD}${RED}Usage: convert-video-to-mp4 <compress 1|0> <filename> <output name> <optional: bitrate, e.g. \"4000k\", defaults to source>${NORMAL}\n"
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exit 1
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fi
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filename=$(basename -- "$filename")
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extension="${filename##*.}"
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extension="${extension,,}" # go lower-case
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filename="${filename%.*}"
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output="$output_name.mp4"
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bitrate_args=""
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if [[ $compress -eq 1 ]]; then
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temp_output="temp_$output"
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else
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temp_output="$output"
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fi
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# convert first.
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# we convert then compress instead of compressing on first pass because this results in a slightly higher bitrate.
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cmd=""
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if [[ $extension == "mkv" || $extension == "mpg" ]]; then
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if [[ $bitrate != "" ]]; then
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bitrate_args="-b:v $bitrate"
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else
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bitrate="<source value>"
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fi
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cmd="ffmpeg -y -stats -loglevel level+error -i \"$filename.$extension\" -vcodec copy -acodec copy $bitrate_args \"$temp_output\""
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elif [[ $extension == "flv" ]]; then
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if [[ $bitrate == "" ]]; then
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bitrate="5M"
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fi
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bitrate_args="-b:v $bitrate"
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cmd="ffmpeg -y -stats -loglevel level+error -vsync 0 -hwaccel cuvid -c:v h264_cuvid -i \"$filename.$extension\" -c:a aac -c:v h264_nvenc $bitrate_args \"$temp_output\""
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elif [[ $extension == "avi" || $extension == "wmv" ]]; then
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cmd="ffmpeg -y -stats -loglevel level+error -i \"$filename.$extension\" -c:a aac -c:v mpeg4 $bitrate_args \"$output\""
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else
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printf "${BOLD}${RED}Don't know how to convert a '$extension' to mp4. Add support!${NORMAL}\n"
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exit 1
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fi
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printf "\n${YELLOW}${BOLD}Encoding '$filename.$extension' | compress: $compress | output: $output | bitrate: $bitrate${NORMAL}\n"
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eval "$cmd"
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if [[ $compress -eq 1 ]]; then
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compress-video 1 "$temp_output" "$output"
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rm "$temp_output"
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else
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printf "\n"
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fi
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printf "${GREEN}${BOLD}Done encoding '$filename.$extension' to '$output'${NORMAL}\n\n"
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