#!/bin/sh

VIDEO_FILE="_video.vc1"
AUDIO_FILE="_audio.raw.wav"
OUTPUT_FILE="out.mp4"

# Exactly what "smooth-dl -s" tells us
AV_DELAY="0.441333"

VIDEO_BITRATE="1500k"
AUDIO_BITRATE="128k"

VIDEO_OPTIONS="-g 100 -keyint_min 50 -flags2 -mbtree"
AV_SYNC="-itsoffset $AV_DELAY -async 1"

AUDIO_NONE="-an"
AUDIO_OPTIONS="-acodec libmp3lame -ac 2 -ab $AUDIO_BITRATE"
VIDEO_PASS1="-vcodec libx264 -vpre veryfast_firstpass ${VIDEO_OPTIONS}"
VIDEO_PASS2=-"vcodec libx264 -vpre veryfast ${VIDEO_OPTIONS}"

# iPhone compatible streams
VIDEO_PASS1="$VIDEO_PASS1 -vpre baseline"
VIDEO_PASS2="$VIDEO_PASS2 -vpre baseline"

echo $VIDEO_FILE $AUDIO_FILE $OUTPUT_FILE $AUDIO_NONE $VIDEO_PASS1

LANG=C ffmpeg -y  -i $VIDEO_FILE $AUDIO_NONE                            $VIDEO_PASS1 -pass 1 -b $VIDEO_BITRATE $OUTPUT_FILE
LANG=C ffmpeg -y  -i $VIDEO_FILE $AV_SYNC -i $AUDIO_FILE $AUDIO_OPTIONS $VIDEO_PASS2 -pass 2 -b $VIDEO_BITRATE $OUTPUT_FILE