From 008982ec8e7630e237b34ce5de8ee26893006e06 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Wed, 16 Nov 2011 03:41:43 +0700
Subject: Support passing options to melt producer.

---
 localvideowebencode | 33 ++++++++++++++++++++++++---------
 1 file changed, 24 insertions(+), 9 deletions(-)

diff --git a/localvideowebencode b/localvideowebencode
index 97e23f9..630b58c 100755
--- a/localvideowebencode
+++ b/localvideowebencode
@@ -19,7 +19,7 @@ PRG=$(basename "$0")
 
 showhelp()	{
 	cat <<EOF
-Usage: $PRG [OPTION...] [--] [ARG=VALUE...] INPUTFILE [INPUTFILE...]
+Usage: $PRG [OPTION...] [--] [ARG=VALUE...] INPUTFILE... [ARG=VALUE...]
 Encode video file in multiple web-optimized formats, and provide sample
 html favoring open formats with optional non-JavaScript Flash fallback.
 
@@ -43,7 +43,8 @@ Examples:
     $PRG -s qvga -t "Funny guy" intro.dv myvideo.dv
     $PRG -p sdi_486i_5994 --stem funny -t "Funny guy" myvideo.dv
 
-Arguments after double-dash are passed to the melt avformat consumer.
+Options before input files are passed to melt producer, and after to
+melt avformat consumer.
 
 Defaults are optimized for 320x240 (qvga).  For better quality use this:
 
@@ -85,13 +86,27 @@ while true ; do
 	esac
 done
 
-if [ $# -eq 0 ]; then
+while [ $# -gt 0 ] ; do
+	case "$1" in
+		*=*) args_in="${args_in:+$args_in }$1"; shift;;
+		*) break;;
+	esac
+done
+
+while [ $# -gt 0 ] ; do
+	case "$1" in
+		*=*) args_out="${args_out:+$args_out }$1"; shift;;
+		*) infiles="${infiles:+$infiles }$1"; shift;;
+	esac
+done
+
+if [ -z "$infiles" ]; then
 	showhelp
 	exit1 "Too few parameters!"
 fi
 
 # input filename (mandatory)
-infile=$(perl -e 'print pop @ARGV' "$@")
+infile=$(perl -e 'print pop @ARGV' $infiles)
 [ -e "$infile" ] || exit1 "Input file missing!"
 
 # resolve stem and title (if not explicitly set)
@@ -101,23 +116,23 @@ title=${title:-$stem}
 # TODO: Check and fail if all needed tools are not available
 
 # TODO: When verified beneficial, add option real_time=-2
-opts="${profile:+-profile $profile}"
+args_in="${profile:+-profile $profile}${args_in:+ $args_in}"
 args=" ${bitrate:+b=${bitrate}} ${size:+s=$size} ${aspect:+aspect=$aspect}"
 args_audio="ac=2 ar=44100 ab=96k"
 
 ## Theora/Vorbis/Ogg
-melt $opts -consumer avformat:"$stem.ogg" f=ogg vcodec=libtheora $args acodec=libvorbis aq=25 $args_audio "$@"
+melt -group $args_in $infiles -group -consumer avformat:"$stem.ogg" f=ogg vcodec=libtheora $args acodec=libvorbis aq=25 $args_audio $args_out
 
 ## H.264/AAC/MP4
-melt $opts -consumer avformat:/dev/null f=mp4 properties=x264-medium-$h264profile $args pass=1 an=1 fastfirstpass=1 "$@"
-melt $opts -consumer avformat:"$stem.mp4" properties=x264-medium-$h264profile $args pass=2 acodec=libvo_aacenc $args_audio "$@"
+melt -group $args_in $infiles -group -consumer avformat:/dev/null f=mp4 properties=x264-medium-$h264profile $args pass=1 an=1 fastfirstpass=1 $args_out
+melt -group $args_in $infiles -group -consumer avformat:"$stem.mp4" properties=x264-medium-$h264profile $args pass=2 acodec=libvo_aacenc $args_audio $args_out
 mv "$stem.mp4" "$stem.mp4"~
 qt-faststart "$stem.mp4"~ "$stem.mp4"
 [ -f "$stem.mp4" ] && rm "$stem.mp4"~ || exit1 "failed to optimize with qt-faststart."
 
 ## VP8/Vorbis/WebM
 # TODO: use two-pass when supported by melt
-melt $opts -consumer avformat:"$stem.webm" properties=webm $args $args_audio "$@"
+melt -group $args_in $infiles -group -consumer avformat:"$stem.webm" properties=webm $args $args_audio $args_out
 
 ## JPEG preview
 ffmpegthumbnailer -s0 -i "$stem.mp4" -o "$stem.jpg"
-- 
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