-# encode the vob file into a compressed file format
-function compress_vob_file {
- typeset -i found_profile=0
-
- # XVID profile
- if [ "$profile" == "xvid" ]; then
- found_profile=1
- final_output_file="$dest/$dvdname.avi"
- 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$SCALE"
- mencoder_video_encoder_opts="-ovc xvid -xvidencopts pass=%PASS"
- video_encoder_opts[0]="bitrate=$target_bitrate"
- video_encoder_opts[1]="threads=$mencoder_threads"
- video_encoder_opts[2]="chroma_opt"
- video_encoder_opts[3]="vhq=4"
- video_encoder_opts[4]="bvhq=1"
- video_encoder_opts[5]="quant_type=mpeg"
- video_encoder_opts[6]="autoaspect"
- for OPTS in "${video_encoder_opts[@]}"; do
- mencoder_video_encoder_opts="$mencoder_video_encoder_opts:$OPTS"
- done
-
- if [ $audio_2ch -eq 0 ]; then
- # These options produce good 6 channel audio for linux and windows
- mencoder_audio_opts="-oac copy"
- # There are 3 different ways to specify 6 channel encoding. We'll try the other ones in order if one of them fails.
- mencoder_audioch_opts[0]="-channels 6 -af channels=6"
- mencoder_audioch_opts[1]="-af channels=6"
- mencoder_audioch_opts[2]=""
- else
- # These options produce good 2 channel audio for linux and windows (including the internal mythvideo player)
- mencoder_audio_opts="-oac mp3lame -lameopts cbr:br=$audio_bitrate"
- mencoder_audioch_opts[0]=""
- fi
-
- fi
-
- # MP4 encoding profiles
- if [ "$profile" == "mp4" ] || [ "$profile" == "mp4hq" ] || [ "$profile" == "mp4vhq" ]; then
- found_profile=1
- final_output_file="$dest/$dvdname.mp4"
- mencoder_general_opts="-quiet $lang_opts -passlogfile $passlogfile"
- mencoder_output_opts="-ofps 30000/1001 -sws 9 -of lavf -lavfopts format=mp4"
- mencoder_video_filter_opts="-vf harddup$CROP$SCALE";
- mencoder_video_encoder_opts="-ovc x264 -x264encopts pass=%PASS"
-
- # Very High Quality (6fps)
- if [ "$profile" == "mp4vhq" ]; then
- video_encoder_opts[0]="bitrate=$target_bitrate"
- video_encoder_opts[1]="threads=$mencoder_threads"
- video_encoder_opts[2]="subq=6"
- video_encoder_opts[3]="frameref=5"
- video_encoder_opts[4]="bframes=3"
- video_encoder_opts[5]="8x8dct"
- video_encoder_opts[6]="me=umh"
- video_encoder_opts[7]="b_pyramid"
- video_encoder_opts[8]="weight_b"
- video_encoder_opts[9]="partitions=all"
- fi
- # High Quality (13fps)
- if [ "$profile" == "mp4hq" ]; then
- video_encoder_opts[0]="bitrate=$target_bitrate"
- video_encoder_opts[1]="threads=$mencoder_threads"
- video_encoder_opts[2]="subq=5"
- video_encoder_opts[3]="frameref=2"
- video_encoder_opts[4]="bframes=3"
- video_encoder_opts[5]="8x8dct"
- video_encoder_opts[6]="b_pyramid"
- video_encoder_opts[7]="weight_b"
- fi
- # Fast (17fps)
- if [ "$profile" == "mp4" ]; then
- video_encoder_opts[0]="bitrate=$target_bitrate"
- video_encoder_opts[1]="threads=$mencoder_threads"
- video_encoder_opts[2]="subq=4"
- video_encoder_opts[3]="bframes=2"
- video_encoder_opts[4]="b_pyramid"
- video_encoder_opts[5]="weight_b"
- fi
-
- for OPTS in "${video_encoder_opts[@]}"; do
- mencoder_video_encoder_opts="$mencoder_video_encoder_opts:$OPTS"
- done
-
- if [ $audio_2ch -eq 0 ]; then
- # These options produce good 6 channel audio for linux and windows
- #mencoder_audio_opts="-oac copy"
- # There are 3 different ways to specify 6 channel encoding. We'll try the other ones in order if one of them fails.
- #mencoder_audioch_opts[0]="-channels 6 -af channels=6"
- #mencoder_audioch_opts[1]="-af channels=6"
- #mencoder_audioch_opts[2]=""
- mencoder_audio_opts="-oac faac -faacopts mpeg=4:object=2:br=$audio_bitrate:raw"
- mencoder_audioch_opts[0]="-channels 6 -srate 48000"
- else
- # These options produce good 2 channel audio for linux and windows (including the internal mythvideo player)
- #mencoder_audio_opts="-oac mp3lame -lameopts cbr:br=$audio_bitrate"
- #mencoder_audioch_opts[0]=""
- mencoder_audio_opts="-oac faac -faacopts mpeg=4:object=2:br=$audio_bitrate:raw"
- mencoder_audioch_opts[0]="-channels 2 -srate 48000"
- fi
-
- fi
-
- # iphone and ipod MP4 profiles
- if [ "$profile" == "iphone" ] || [ "$profile" == "ipod" ]; then
- found_profile=1
- if [ "$profile" == "iphone" ]; then
- # SCALE: 480x320
- # scale width to 480, set height appropriately, but keep a multiple of 16
- #SCALE=",scale=480:-10"
- # scale the video down however far is necessary to fit in 480x320
- SCALE=",dsize=480:320:0,scale=-8:-8"
- else
- # SCALE: 320x240
- # scale width to 320, set height appropriately, but keep a multiple of 16
- #SCALE=",scale=320:-10"
- # scale the video down however far is necessary to fit in 320x240
- SCALE=",dsize=320:240:0,scale=-8:-8"
- fi
- final_output_file="$dest/$dvdname.mp4"
- mencoder_general_opts="-quiet $lang_opts -passlogfile $passlogfile"
- mencoder_output_opts="-ofps 30000/1001 -sws 9 -of lavf -lavfopts format=mp4"
- mencoder_video_filter_opts="-vf harddup$CROP$SCALE";
- mencoder_video_encoder_opts="-ovc x264 -x264encopts pass=%PASS"
- video_encoder_opts[0]="bitrate=$target_bitrate"
- video_encoder_opts[1]="threads=$mencoder_threads"
- video_encoder_opts[2]="vbv_maxrate=1500"
- video_encoder_opts[3]="vbv_bufsize=2000"
- video_encoder_opts[4]="nocabac"
- video_encoder_opts[5]="me=umh"
- video_encoder_opts[6]="subq=6"
- video_encoder_opts[7]="frameref=6"
- video_encoder_opts[8]="trellis=1"
- video_encoder_opts[9]="level_idc=30"
- video_encoder_opts[10]="global_header"
- video_encoder_opts[11]="bframes=0"
- video_encoder_opts[12]="partitions=all"
- for OPTS in "${video_encoder_opts[@]}"; do
- mencoder_video_encoder_opts="$mencoder_video_encoder_opts:$OPTS"
- done
-
- mencoder_audio_opts="-oac faac -faacopts mpeg=4:object=2:br=$audio_bitrate:raw"
- mencoder_audioch_opts[0]="-channels 2 -srate 48000"
- fi
-
- if [ $found_profile -eq 0 ]; then
- fatal_and_exit "-E- Unable to find a profile handler for profile: $profile"
- fi
-
- # Do not edit this line. $mencoder_video_encoder_opts must be last
- mencoder_opts="$mencoder_general_opts $mencoder_output_opts $mencoder_audio_opts $mencoder_video_filter_opts $mencoder_video_encoder_opts"
- mencoder_retval=0
-
- for PASS in 1 2
- do
- # Set some options based on which pass we are in
- mencoder_opts_for_pass=$(echo "$mencoder_opts" | sed "s,%PASS,$PASS,g")
- [ $PASS -eq 1 ] && mencoder_opts_for_pass="$mencoder_opts_for_pass:turbo"
- [ $PASS -eq 1 ] && output_file="/dev/null"
- [ $PASS -eq 2 ] && output_file="$final_output_file"
-
- # It's possible that the audio channel encoding may not work. Cycle through all our different audioch_opts until we find one that works.
- for CH_OPTS in "${mencoder_audioch_opts[@]}";
- do
- echo -e " Encoding pass $PASS"
- echo -e "\n Encoding pass $PASS: mencoder $CH_OPTS $mencoder_opts_for_pass \"$vobfile\" -o \"$output_file\" >> $encodelog 2>&1" >> "$logfile"
- mencoder $CH_OPTS $mencoder_opts_for_pass "$vobfile" -o "$output_file" > $encodelog 2>&1
- mencoder_retval=$?
- grep -q "\[channels\] Invalid" $encodelog
- if [ $? != 0 ]; then
- break;
- else
- echo -e "\n-W- Audio channel encoding error. Falling back to next audio channel encoding scheme." >> "$logfile"
- fi
- done
-
- if [ $mencoder_retval != 0 ]; then
- fatal_and_exit "-E- Unhandled mencoder error"
- fi
-
- # Concatenate the encode log to our main log file, greping out unwanted lines
- cat $encodelog | grep -v "Pos:" >> "$logfile"
-
- done
-}
-