copra-dragndrop.sh

#!/bin/bash

#Directories must be defined without trailing slash
output_dir="/Volumes/RAID/temp/TINASHE"

echo "This script will encode source files for copra and save to:"
echo "$output_dir."
echo "Source files will not be modified."

#Check if any arguments were passed
if [ -z "$1" ]
then
    echo
    echo "Usage:    copra-dragndrop [OPTION]... SRC [SRC]..."
    echo
else
    mkdir -p $output_dir
    echo "Errors:" > /tmp/dailies-encode.log
    echo
    echo "Processing $# files..."
    for f
    do
        filename=$(basename $f)
        # get number of audio channels
        num_channels=`ffprobe -loglevel error -show_streams -select_streams a $f | grep channels | cut -d = -f 2`
        base="${filename%.*}"

        # check if output file already exists and log the error
        if [ -f "$output_dir/$base.mp4" ]; then
            echo "$output_dir/$base.mp4 already exists. Skipping."
            echo "$output_dir/$base.mp4 already exists. Skipping." >> /tmp/dailies-encode.log
            continue
        fi

        # encode either 0, 1, or 2 audio channels
#           if [ -z "$num_channels" ]; then
                echo "Encoding" $filename "with zero audio channels"
 normal             ffmpeg -loglevel warning -stats -i $f -pix_fmt yuv420p -vf scale=hd720 -an -vcodec libx264 -preset veryfast -tune film -crf 20 -level 31 -profile:v high -g 8 -maxrate 4M -bufsize 10M $output_dir/$base.mp4
            elif [ "$num_channels" -le 2 ]; then
                echo "Encoding" $filename "with $num_channels audio channels"
                ffmpeg -loglevel warning -stats -i $f -pix_fmt yuv420p -vf scale=hd720 -acodec libfdk_aac -b:a 128k -vcodec libx264 -preset veryfast -tune film -crf 20 -level 31 -profile:v high -g 8 -maxrate 4M -bufsize 10M $output_dir/$base.mp4
            else
                echo "Encoding" $filename "with first two audio channels only"
                ffmpeg -loglevel warning -stats -i $f -pix_fmt yuv420p -vf scale=hd720 -acodec libfdk_aac -b:a 128k -map_channel 0.1.0 -map_channel 0.1.1 -vcodec libx264 -preset veryfast -tune film -crf 20 -level 31 -profile:v high -g 8 -maxrate 4M -bufsize 10M $output_dir/$base.mp4
            fi
    done
fi

# cat /tmp/dailies-encode.log