From: Alan J. Pippin <ajp@pippins.net>
Date: Wed, 20 May 2009 04:32:04 +0000 (-0600)
Subject: Added mencoder_threads variable for multicore encoding support
X-Git-Tag: 1_0~30
X-Git-Url: http://git.pippins.net/embedvideo/static/%27%20%20%20%20.%20%24GLOBALS%5B%27phpgw%27%5D-%3Elink%28%27inc/jquery/%7Blink_hometeaching%7D?a=commitdiff_plain;h=26c9a0465a97c490b541f0379d25a4e940e32b0f;p=rip_dvd%2F.git

Added mencoder_threads variable for multicore encoding support
Fixed bugs in setting audio track with -n <dvd folder> or -n <vob file> modes
---

diff --git a/rip_dvd b/rip_dvd
index 4d3d08a..5729754 100755
--- a/rip_dvd
+++ b/rip_dvd
@@ -62,6 +62,12 @@ fill_mythvideo_metadata=1
 # Otherwise, you will need to rerun the script providing the feature title with the -t option.
 trust_feature_title_autodetect_when_uncertain=0
 
+# specify the number of threads that mencoder should use when encoding the video (AVI mode)
+# an optimal setting for this should be the number of cores you have times 2
+# note: you have to have an mplayer version that has been compiled with multi thread support.
+# if you don't, this will have no effect, but won't hurt anything to have it set otherwise.
+mencoder_threads=8
+
 ###############################################
 # Command line processing
 typeset dvdname=""
@@ -341,14 +347,24 @@ function make_dvd_iso_image_from_folder {
   echo "   mkisofs -dvd-video \"$src\" 2>> \"$dumplog\" | dd of=\"$dst\" obs=32k seek=0 > /dev/null 2>> $dumplog" >> "$logfile"
   mkisofs -dvd-video "$src" 2>> "$dumplog" | dd of="$dst" obs=32k seek=0 > /dev/null 2>> "$dumplog"
 
+  # set the audio languages from the iso if it exists and is non-zero in size
+  if [ -s "$dst" ]; then
+    get_feature_title "$dst"
+    get_audio_id_from_iso "$dst"
+  fi
+
   # make sure we were able to create the iso image from the folder given to us
-  if [ ! -s "$tmpdir/$dvdname.iso" ] && [ $handle_error -eq 1 ]; then
+  if [ ! -s "$dst" ] && [ $handle_error -eq 1 ]; then
     echo "-> Unable to make an iso image from the DVD folder: $dvdpath"
     echo "   Falling back to mplayer to create a main feature VOB from the folder instead: $dvdpath"
+    # remove the bad iso file
+    [[ -e "$dst" ]] && rm -f "$dst"
     # get the feature title from the DVD folder
     get_feature_title "$dvdpath"
     # create our main VOB file from the ISO
-    create_main_vob_with_mplayer "$dvdpath"
+    create_main_vob_with_mplayer "$dvdpath" 
+    # get our audio id from the VOB file
+    get_audio_id_from_vob "$vobfile"
   fi
 }
 
@@ -458,9 +474,10 @@ function create_main_vob_with_mplayer {
 function get_audio_id_from_iso {
   # Adjust our audio ID to find the english audio stream
   # This should be 128. However, if 128 is not there, pick the next one that incrementally is.
+  iso="$1"
   aidcheck=`tempfile`
   aid=128
-  mplayer -v -endpos 0 -dvd-device "$isofile" dvd://$feature_title > $aidcheck 2>&1
+  mplayer -v -endpos 0 -dvd-device "$iso" dvd://$feature_title > $aidcheck 2>&1
   grep -q "aid: $aid" $aidcheck
   while [ $? == 1 ] && [ $aid -lt 159 ]; do
     (( aid = aid + 1 ))
@@ -499,9 +516,10 @@ function get_crop_from_iso {
 function get_audio_id_from_vob {
   # Adjust our audio ID to find the english audio stream
   # This should be 128. However, if 128 is not there, pick the next one that incrementally is.
+  vob="$1"
   aidcheck=`tempfile`
   aid=128
-  mplayer -v -endpos 0 "$tmpdir/$dvdname.VOB" > $aidcheck 2>&1
+  mplayer -v -endpos 0 "$vob" > $aidcheck 2>&1
   grep -q "Found audio stream: $aid" $aidcheck
   while [ $? == 1 ] && [ $aid -lt 159 ]; do
     (( aid = aid + 1 ))
@@ -843,7 +861,7 @@ if [ $mirror_mode -eq 0 ]; then
       if [ $use_mplayer_dumpstream -eq 1 ]; then 
 
         # get our audio id from the ISO file
-        get_audio_id_from_iso
+        get_audio_id_from_iso "$isofile"
 
         # create our main VOB file from the ISO
         create_main_vob_with_mplayer "$isofile"
@@ -866,7 +884,7 @@ if [ $mirror_mode -eq 0 ]; then
         create_main_vob_with_cat
 
         # get our audio id from the VOB file
-        get_audio_id_from_vob
+        get_audio_id_from_vob "$tmpdir/$dvdname.VOB"
   
         # check for corrupted VOB start
         check_vob_for_corrupted_start
@@ -907,7 +925,7 @@ if [ $mirror_mode -eq 0 ]; then
       mencoder_general_opts="-quiet $lang_opts -passlogfile $passlogfile"
       mencoder_output_opts="-ofps 30000/1001 -ffourcc DIVX"
       mencoder_video_filter_opts="-vf pullup,softskip,hqdn3d=2:1:2$CROP"
-      mencoder_video_encoder_opts="-ovc xvid -xvidencopts pass=%PASS:chroma_opt:vhq=4:bvhq=1:quant_type=mpeg:bitrate=$target_bitrate:autoaspect:threads=2"
+      mencoder_video_encoder_opts="-ovc xvid -xvidencopts pass=%PASS:chroma_opt:vhq=4:bvhq=1:quant_type=mpeg:bitrate=$target_bitrate:autoaspect:threads=$mencoder_threads"
 
       # There are a number of different ways to encode 6 channel audio.
       # I've loaded 3 different ways into the mencoder_audioch_opts.