From: Alan J. Pippin Date: Sat, 13 Feb 2010 06:52:07 +0000 (-0700) Subject: Added new target audio bitrate command line option -B X-Git-Tag: 2_3 X-Git-Url: http://git.pippins.net/embedvideo/.git/static/images/%7Blink_visit%7D?a=commitdiff_plain;h=6e9e0c34ec53f0ce22bdf993da8fa50beeb0b275;p=rip_dvd%2F.git Added new target audio bitrate command line option -B --- diff --git a/rip_dvd b/rip_dvd index ef2fdca..e025e57 100755 --- a/rip_dvd +++ b/rip_dvd @@ -53,14 +53,16 @@ typeset -i make_final_dest_comp=0 typeset -i errors=0 typeset -i show_usage=0 typeset -i mirror_mode=0 -typeset -i target_bitrate=2000 +typeset -i target_video_bitrate=2000 +typeset -i target_audio_bitrate=224 typeset -i target_size=0 typeset -i audio_2ch=0 typeset -i audio_6ch=1 typeset -i invalid_feature_title=0 typeset -i feature_title_override=0 typeset -i mplayer_dumpstream_incompatibility=0 -typeset -i custom_bitrate=0 +typeset -i custom_video_bitrate=0 +typeset -i custom_audio_bitrate=0 typeset -i custom_audio_2ch=0 typeset -i custom_audio_6ch=0 @@ -98,12 +100,13 @@ fi ############################################################################################## # Command line processing ############################################################################################## -while (($#)) && getopts 162wmvifkzx:ht:n:d:b:s:t:a:p:e:j:l:r: opt "$@" +while (($#)) && getopts 162wmvifkzx:ht:n:d:b:B:s:t:a:p:e:j:l:r: opt "$@" do case $opt in (n) dvdname=$OPTARG;; (d) dest=$OPTARG;; - (b) target_bitrate=$OPTARG; custom_bitrate=1;; + (b) target_video_bitrate=$OPTARG; custom_video_bitrate=1;; + (B) target_audio_bitrate=$OPTARG; custom_audio_bitrate=1;; (s) target_size=$OPTARG;; (2) audio_2ch=1; custom_audio_2ch=1;; (6) audio_6ch=1; custom_audio_6ch=1;; @@ -166,7 +169,8 @@ function usage() { echo >&2 " -e Specify the encoder to use to make the compressed file (valid encoders=mencoder|handbrake) (default=handbrake if found)" echo >&2 " You must also specify the target size or bitrate using the '-s' or '-b' options with xvid profiles" echo >&2 " -s Set the target size of the compressed file in MB (ex: 700, 1000, etc)" - echo >&2 " -b Set the bitrate desired in the compressed file in kbits/sec (ex: 1500, 2000 (default), etc)" + echo >&2 " -b Set the video bitrate desired in the compressed file in kbits/sec (ex: 1500, 2000 (default), etc)" + echo >&2 " -B Set the audio bitrate desired in the compressed file in kbits/sec (ex: 96, 128, 160, 224 (default), 300, etc)" echo >&2 " -a Specify the width x height aspect ratio to scale the DVD to (only used in -z mode)" echo >&2 " If only the width is given, it will autoset the height to a value which preserves the aspect ratio" echo >&2 " The default behavior is autoaspect mode, which preserves the original aspect, with no scaling being done" @@ -212,7 +216,7 @@ if ([ $target_size -ne 0 ] || [ "$aspect" != "" ]) && [ $make_final_dest_comp -n usage fi -if [ $target_bitrate -eq 0 ] && [ $target_size -eq 0 ] && [ $make_final_dest_comp -eq 1 ]; then +if [ $target_video_bitrate -eq 0 ] && [ $target_size -eq 0 ] && [ $make_final_dest_comp -eq 1 ]; then echo "-E- You must specify a bitrate in compressed file mode. You must specify '-b' or '-s' when using '-z'" | tee -a $logfile usage fi @@ -471,6 +475,7 @@ function encode_vob_file_handbrake { typeset handbrake_audio_opts="" typeset hb_profile="" typeset SIZE="" + typeset AUDIO_BITRATE="" # Set a variable that we will use later to determine if we found a handler for $profile or not typeset -i found_profile=0 @@ -487,8 +492,10 @@ function encode_vob_file_handbrake { SIZE="-S $target_size" fi - # Check the global force_onepass_mode. If it is set, change our variables appropriately - # to force 1-pass encoding across all profiles. + if [ $custom_audio_bitrate -eq 1 ]; then + AUDIO_BITRATE="-B $target_audio_bitrate" + fi + if [ $force_onepass_mode -eq 1 ]; then PASSES="" fi @@ -506,7 +513,7 @@ function encode_vob_file_handbrake { # Very High Quality (16fps) if [ "$profile" == "xvidvhq" ]; then handbrake_opts[0]="-f avi" - handbrake_opts[1]="-b $target_bitrate" + handbrake_opts[1]="-b $target_video_bitrate" handbrake_opts[2]="-e xvid" handbrake_opts[3]="-T" handbrake_opts[4]="-5" @@ -515,7 +522,7 @@ function encode_vob_file_handbrake { # High Quality (20fps) if [ "$profile" == "xvidhq" ]; then handbrake_opts[0]="-f avi" - handbrake_opts[1]="-b $target_bitrate" + handbrake_opts[1]="-b $target_video_bitrate" handbrake_opts[2]="-e ffmpeg" handbrake_opts[3]="-T" handbrake_opts[4]="-5" @@ -523,7 +530,7 @@ function encode_vob_file_handbrake { # Fast (28fps) if [ "$profile" == "xvid" ]; then handbrake_opts[0]="-f avi" - handbrake_opts[1]="-b $target_bitrate" + handbrake_opts[1]="-b $target_video_bitrate" handbrake_opts[2]="-e ffmpeg" handbrake_opts[3]="-T" fi @@ -537,8 +544,8 @@ function encode_vob_file_handbrake { PASSES="" # Handle custom parameter overrides - if [ $custom_bitrate == 1 ]; then - handbrake_opts[0]="-b $target_bitrate" + if [ $custom_video_bitrate == 1 ]; then + handbrake_opts[0]="-b $target_video_bitrate" fi if [ $custom_audio_2ch == 0 ]; then audio_2ch=0 @@ -569,8 +576,8 @@ function encode_vob_file_handbrake { PASSES="" # Handle custom parameter overrides - if [ $custom_bitrate == 1 ]; then - handbrake_opts[0]="-b $target_bitrate" + if [ $custom_video_bitrate == 1 ]; then + handbrake_opts[0]="-b $target_video_bitrate" fi if [ $custom_audio_2ch == 0 ]; then audio_2ch=0 @@ -598,8 +605,8 @@ function encode_vob_file_handbrake { PASSES="" # Handle custom parameter overrides - if [ $custom_bitrate == 1 ]; then - handbrake_opts[0]="-b $target_bitrate" + if [ $custom_video_bitrate == 1 ]; then + handbrake_opts[0]="-b $target_video_bitrate" fi if [ $custom_audio_2ch == 0 ]; then audio_2ch=0 @@ -648,6 +655,7 @@ function encode_vob_file_handbrake { handbrake_cmd_line_opts="$handbrake_cmd_line_opts $DRC" handbrake_cmd_line_opts="$handbrake_cmd_line_opts $SCALE" handbrake_cmd_line_opts="$handbrake_cmd_line_opts $SIZE" + handbrake_cmd_line_opts="$handbrake_cmd_line_opts $AUDIO_BITRATE" # Execute the handbrake command to encode the video # I have to copy-n-paste the code below to handle the 2 conditions, 1) hb_profile (mp4) 2) no hb_profile (xvid) @@ -705,7 +713,7 @@ function encode_vob_file_mencoder { # Very High Quality (16fps) if [ "$profile" == "xvidvhq" ]; then - video_encoder_opts[0]="bitrate=$target_bitrate" + video_encoder_opts[0]="bitrate=$target_video_bitrate" video_encoder_opts[1]="threads=$mencoder_threads" video_encoder_opts[2]="chroma_opt" video_encoder_opts[3]="vhq=4" @@ -715,7 +723,7 @@ function encode_vob_file_mencoder { fi # High Quality (20fps) if [ "$profile" == "xvidhq" ]; then - video_encoder_opts[0]="bitrate=$target_bitrate" + video_encoder_opts[0]="bitrate=$target_video_bitrate" video_encoder_opts[1]="threads=$mencoder_threads" video_encoder_opts[2]="chroma_opt" video_encoder_opts[3]="vhq=2" @@ -725,7 +733,7 @@ function encode_vob_file_mencoder { fi # Fast (28fps) if [ "$profile" == "xvid" ]; then - video_encoder_opts[0]="bitrate=$target_bitrate" + video_encoder_opts[0]="bitrate=$target_video_bitrate" video_encoder_opts[1]="threads=$mencoder_threads" video_encoder_opts[2]="vhq=0" video_encoder_opts[3]="turbo" @@ -745,7 +753,7 @@ function encode_vob_file_mencoder { mencoder_audioch_opts[2]="" else # These options produce good 2 channel audio for linux and windows (including the internal mythvideo player) - mencoder_audio_opts="-oac mp3lame -lameopts cbr:br=$audio_bitrate" + mencoder_audio_opts="-oac mp3lame -lameopts cbr:br=$target_audio_bitrate" mencoder_audioch_opts[0]="" fi @@ -772,7 +780,7 @@ function encode_vob_file_mencoder { mencoder_output_opts="-ofps 30000/1001 -sws 9 -of lavf -lavfopts format=mp4" mencoder_video_filter_opts="-vf harddup$CROP$SCALE"; mencoder_video_encoder_opts="-ovc x264 -x264encopts $pass_opt" - video_encoder_opts[0]="bitrate=$target_bitrate" + video_encoder_opts[0]="bitrate=$target_video_bitrate" video_encoder_opts[1]="threads=$mencoder_threads" video_encoder_opts[2]="vbv_maxrate=1500" video_encoder_opts[3]="vbv_bufsize=2000" @@ -789,7 +797,7 @@ function encode_vob_file_mencoder { mencoder_video_encoder_opts="$mencoder_video_encoder_opts:$OPTS" done - mencoder_audio_opts="-oac faac -faacopts mpeg=4:object=2:br=$audio_bitrate:raw" + mencoder_audio_opts="-oac faac -faacopts mpeg=4:object=2:br=$target_audio_bitrate:raw" mencoder_audioch_opts[0]="-channels 2 -srate 48000" fi @@ -1241,9 +1249,9 @@ function calculate_bitrate_from_target_size { # determine what our bitrate needs to be if a target size was specified instead if [ $target_size -ne 0 ]; then vob_length=`mplayer -identify -v "$vobfile" -endpos 0 2>&1 | grep ID_LENGTH | awk -F '=' '{ print $2 }' | awk -F '.' '{ print $1 }'` - ((target_bitrate = (target_size * 1024 * 8) / vob_length )) - custom_bitrate=1 - echo " With a given target size of $target_size MB, the estimated bit rate will need to be $target_bitrate kbits/sec" + ((target_video_bitrate = (target_size * 1024 * 8) / vob_length )) + custom_video_bitrate=1 + echo " With a given target size of $target_size MB, the estimated bit rate will need to be $target_video_bitrate kbits/sec" fi } diff --git a/rip_dvd.conf.dist b/rip_dvd.conf.dist index 53949a3..4b15b71 100644 --- a/rip_dvd.conf.dist +++ b/rip_dvd.conf.dist @@ -33,9 +33,6 @@ PATH=/etc/mythtv/bin:/usr/local/bin:/usr/sbin:/sbin:/usr/bin:/usr/share/tovid:.: # If this is set to 0, other methods will be employed to get the DVD VOB dump. use_mplayer_dumpstream=1 -# 2-channel AVI encoding audio bit rate -audio_bitrate=224 - # If set to 1, this script will call another script to fill in the mythvideo metadata # If you don't use mythtv, set this option to 0. If you use mythtv, and have downloaded # the fill_mythvideo_metadata.pl script shown above, you can leave this option set to 1.