fix(user/mp3s_to_{mkv,opus}):Disable ffmpeg stdin in some scripts

[BK-2020-03.git] / unitproc / bkt-get_media_length

#!/usr/bin/env bash

get_media_length() {
    # Use ffprobe to get media container length in seconds (float)
    # Usage: get_media_length arg1
    # Input:  arg1: path to file
    # Output: stdout: seconds (float)
    # Depends: ffprobe 4.1.8
    # Ref/Attrib: [1] How to get video duration in seconds? https://superuser.com/a/945604
    local file_in
    file_in="$1";
    if [[ ! -f $file_in ]]; then
	die "ERROR:Not a file:$file_in";
    fi;
    ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "$file_in";
} # Get media container length in seconds via stdout

# Author: Steven Baltakatei Sandoval
# License: GPLv3+