#!/bin/bash
# Test script for multipass encoding....
#
#   Variables
#
    [[ -z "$1" ]] && \
        echo "Must pass a video to encode!" && \
        exit 1
    video="$1"
    of="output.mkv"
    container=mkv
    c_vid="-c:v libx264"
    c_audio="-c:a ac3"
    silent="-v quiet "  # Apply only when cmd works
    checkit() # Upon first try, the input filesize was reduced to 0.. couldnt 're-create' this situation
    {   echo "-----------------"
        ls -l "$video"
        echo "-----------------"
    }
#
#   Action
#
    checkit

    # Pass 1
    ffmpeg $silent -i "$video" $c_vid -pass 1 -an -f rawvideo -y /dev/null  || exit 1
    echo "PASS 1 - done"

    checkit

    # Pass 2
    ffmpeg -i "$video" $c_vid -pass 2 -an -f rawvideo -y /dev/null  || \
        ( rm ffmpeg2pass* ; exit 1 )
    echo "PASS 2 - done" ; tui-header "pass 2 done" # tui-header is just for to easier find that line

    # Pass 3
    echo "TODO pass 3, fails befor this is started anyway..."
    echo "But obviously, it didnt exit!?!?"
    ffmpeg -i "$video" $c_vid -strict -2 -map 0:0 $c_audio -map 0:1  "$of"
exit 0