51 lines
1.2 KiB
Bash
51 lines
1.2 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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input="$1"
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output_name="$2"
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if [[ $input == "" || $output_name == "" ]]; then
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printf "${BOLD}${RED}Usage: $0 <input video> <wav output name>${NORMAL}\n"
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exit 1
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fi
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if [[ ! -f "$input" ]]; then
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printf "${RED}${BOLD}Error: failed to extract audio. Video file \"$input\" doesn't exist.\n${NORMAL}"
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exit 1
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fi
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# Add extension if not provided.
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output_basename=$(basename -- "$output_name")
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output_extension="${output_basename##*.}"
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if [[ $output_extension != "wav" ]]; then
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output_name="${output_name}.wav"
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fi
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printf "\n${YELLOW}${BOLD}Extracting 16-bit WAV from $input | output: $output_name${NORMAL}\n"
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ffmpeg -i "$input" -ar 16000 -ac 1 -c:a pcm_s16le "$output_name"
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printf "${GREEN}${BOLD}Done extracting 16-bit WAV from $input | output: $output_name${NORMAL}\n"
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