encode2mpeglight
来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· 代码 · 共 1,545 行 · 第 1/5 页
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1,545 行
-l|-longhelp) #-print this help page [[ $2 = doc || $2 = help ]] && isarg $1 $2 usage exit ;; -doc|-documentation) #[[<browser>:][<html page>]] #-show the html documentation [[ $2 = doc || $2 = help ]] && isarg $1 $2 [[ ${2%:*} != $2 ]] && BROWSER=${2%:*} show_html ${2#*:} exit ;; -noshowlog) #-do not show the log file [[ $2 = doc || $2 = help ]] && isarg $1 $2 quiet=1 ;; -o|-output) #<filename> #-filename of the output stream echo "$2" | grep -q '/' && [[ ! -d ${2%/*} ]] && echo "**ERROR: [$PROGNAME] directory ${2%/*} argument of '$1' not found" && exit 1 output=$2 shift ;; -a) #<n> # aspect ratio VCD SVCD DVD # 1 - 1:1 x * x x = mpeg2enc and mencoder # 2 - 4:3 x x x * = mencoder only # 3 - 16:9 x x x #- 4 - 2.21:1 * x MPEG2ENCOPT="$MPEG2ENCOPT -a $2" [[ $2 -eq 0 ]] && MPEG2ENCOPT="${MPEG2ENCOPT% ${2}} 1" mpegaspect=$2 isarg $1 "$2" direct shift ;; -mpegfixaspect) #[pad|crop] # force the aspect ratio of the source video to match the one # specified with -a; this can be done padding the video with #-black lines or cropping the video; the default is padding [[ $2 = doc || $2 = help ]] && isarg $1 $2 aspect mpegfixaspect=0 if [[ $2 = pad || $2 = crop ]]; then [[ $2 = crop ]] && mpegfixaspect=1 shift fi ;; -rotate) #<0-3> # rotate the source video by 90 degrees; set -mpegfixaspect; # 0 rotate clockwise and flip, 1 rotate clockwise #-2 rotate counterclockwise, 3 rotate counterclockwise and flip rotate=1 echo "$2" | grep -q '^[0-3]$' && rotate=$2 isarg $1 "$2" aspect shift : ${mpegfixaspect:=0} ;; -overscan) #<n> # shrink the video of n% and surround it with black borders, # n can be 1-99, using 10 should make visible on a TV the full video # image; if n is negative, the result is a magnification of the # central part of the image; n>0 set -mpegfixaspect pad, n<0 set #--mpegfixaspect crop; in Avi Mode n can only be positive echo "$2" | grep -qE '^-?[0-9]?[0-9]$' && overscan=$2 [[ ${2:0:1} = - ]] && mpegfixaspect=1 || mpegfixaspect=0 isarg $1 "${2#-}" $( ((step==1)) && echo Avi || echo aspect) shift ;; -abr) #<n> #-audio bit rate of the VCD/SVCD/DVD [MP2:224,MP3:128,AC3:448] if [[ $2 = list ]]; then sed '/^check_abr/,/case/!d;/'"$audioformat"':/!d;/[^0-9]'"$asr"'/!d;s/[^)]*)//;s/ */ /g;s/^/'"$audioformat $asr"'/' "$PROGFILE" exit fi abr=$2 isarg $1 "$2" direct shift ;; -asr) #<n> #-audio sample rate of the VCD/SVCD/DVD [MP2/MP3:44100,AC3:48000] asr=$2 isarg $1 "$2" direct shift ;; -vbr) #<n> #-video bit rate of the VCD/SVCD/DVD [VCD:1152,SVCD:2500,DVD:7500] vbr=$2 isarg $1 "$2" direct shift ;; -vfr) #<n> # video frame rate of the output stream # [NTSC/VCD:4,NTSC/SVCD-DVD:1,PAL:3,AVI:2] # 1 - 24000.0/1001.0 (NTSC 3:2 pulldown converted FILM) # 2 - 24.0 (NATIVE FILM) # 3 - 25.0 (PAL/SECAM VIDEO / converted FILM) # 4 - 30000.0/1001.0 (NTSC VIDEO) # 5 - 30.0 # 6 - 50.0 (PAL FIELD RATE) # 7 - 60000.0/1001.0 (NTSC FIELD RATE) #- 8 - 60.0 vfr=$2 isarg $1 "$2" direct shift ;; -n|-video-norm) #<n|p|s> # set the video norm of the VCD/SVCD/DVD; NTSC is USA standard, # PAL is European standard and SECAM is French standard; concerning #-VCD/SVCD/DVD encoding, SECAM is equivalent to PAL case $2 in n|N|ntsc|NTSC) videonorm=n ;; p|P|pal|PAL) videonorm=p ;; s|S|secam|SECAM) videonorm=s ;; doc|help) isarg $1 $2 direct ;; *) echo "**ERROR: [$PROGNAME] invalid argument '$2' for option '$1'" ; "$PROGFILE" -norc $1 help ; exit 1 ;; esac shift ;; -p|-pulldown|-telecine) # # set a flag in the output stream of the SVCD/DVD that tell the # decoder to play the movie as NTSC video using "3:2 pull-down" #-instead of "-vfr 4" use "-vfr 1 -p" (smaller output stream) [[ $2 = doc || $2 = help ]] && isarg $1 $2 direct telecine=1 ;; -res) #<1-7> # force one of the following video resolutios: # PAL NTSC # 1 352x288 352x240 (VCD) # 2 352x576 352x480 (CVD) # 3 480x576 480x480 (SVCD) # 4 528x576 528x480 (KVCD) # 5 544x576 544x480 (KVCD) # 6 704x576 704x480 (DVB) #- 7 720x576 720x480 (DVD) isarg $1 "$2" direct echo "$2" | grep -q '^[1-7]$' && MPGRES=$2 shift ;; -gop) #<n> # set the number of pictures per GOP; the default value is the one #-required by the standard isarg $1 "$2" direct GOP=$2 shift ;; -kvcd) #<1-4> # generate KVCD (www.kvcd.net) compliant frames on output; the # following resolutions are possible: # PAL NTSC GOP # 1 528x576 528x480 24 # 2 528x576 528x480 def # 3 544x576 544x480 24 #- 4 544x576 544x480 def isarg $1 "$2" direct a=1 echo "$2" | grep -q '^[1-4]$' && a=$2 shift 2 set -- " " -qmatrix kvcd -res $((3+(a+1)/2)) $([[ $a == [13] ]] && echo "-gop 24") "$@" ;; -vcd) # #-generate VCD compliant frames on output (default) [[ $2 = doc || $2 = help ]] && isarg $1 $2 direct frameformat=VCD ;; -svcd) #[1-2] # generate SVCD compliant frames on output; the following resolutions # are possible: PAL NTSC # 1 480x576 480x480 # 2 352x288 352x240 #-default is 1 [[ $2 = doc || $2 = help ]] && isarg $1 $2 direct frameformat=SVCD frameres=1 echo "$2" | grep -q '^[1-2]$' && frameres=$2 && shift ;; -svcdht) # # enable the VCD header trick; this trick could allow to play SVCD on # DVD player that does not support SVCD. For more details see: #-http://www.videohelp.com/svcd [[ $2 = doc || $2 = help ]] && isarg $1 $2 direct trick=1 ;; -dvd) #[1-5] # generate DVD compliant frames on output; the following resolutions # are possible: PAL NTSC # 1 720x576 720x480 # 2 704x576 704x480 # 3 480x576 480x480 (non standard DVD-SVCD) # 4 352x576 352x480 # 5 352x288 352x240 #-default is 1 [[ $2 = doc || $2 = help ]] && isarg $1 $2 direct frameformat=DVD frameres=1 echo "$2" | grep -q '^[1-5]$' && frameres=$2 && shift ;; -vcodec) #<mpeg1|mpeg2|mpeg4> #-force the selected video codec [VCD:mpeg1,SVCD-DVD:mpeg2,AVI:mpeg4] isarg $1 "$2" Avi [[ $2 == mpeg[124] ]] && vcodec=$2 && [[ ${vcodec:4:1} == [12] ]] && vcodec=${vcodec}video shift ;; -qmatrix) #<kvcd|tmpgenc|default|hi-res> # mpeg2enc custom quantization matrices: kvcd produce a smaller #-output stream, hi-res is good for hi-quality source material case $2 in kvcd|tmpgenc|default|hi-res) MPEG2ENCOPT="$MPEG2ENCOPT -K $2" intra_matrix=$(eval echo \$${2/-}_intra) inter_matrix=$(eval echo \$${2/-}_inter) ;; *) MPEG2ENCOPT="$MPEG2ENCOPT -K default" intra_matrix= inter_matrix= ;; esac isarg $1 "$2" direct shift ;; -mpeg1vbr) # # produce a VCD/MPEG-1 variable bit rate stream, the output stream # is smaller and a complete movie could fit in one VCD; check if #-your hardware player support variable bit rate VCD [[ $2 = doc || $2 = help ]] && isarg $1 $2 direct MPEG2ENCOPT="$MPEG2ENCOPT -q 8" LAVC=":vrc_buf_size=327" ;; -mpegmbr) #<n> # set the maximum video bit rate; the default is the value of vbr; #-a value of 0 remove the limit mpegmbr=$2 [[ $2 -eq 0 ]] && mpegmbr= isarg $1 "$2" mpeg shift ;; -mpegchannels) #<1-6> # number of channels of the MPEG audio stream, 1-6 for ac3 and lpcm; # 1-2 for mp1, mp2 and mp3; 3-6 for mp2 Multichannel Audio; for the #-avi audio stream use MPlayer's option -channels mpegchannels=2 isarg $1 "$2" direct echo "$2" | grep -q '^[1-6]$' && mpegchannels=$2 shift ;; -normalize) #-normalize to the audio stream(s) [[ $2 = doc || $2 = help ]] && isarg $1 $2 $([[ $encode ]] && echo Avi || echo direct) normalize=1 ;; -volume) #<n> # change amplitude of the audio stream; less than 1.0 decreases, #-greater than 1.0 increases (float) volume=$2 isarg $1 "$2" direct shift ;; -noscale) # # encode2mpeg automatically scales the video according to the MPEG # profile chosen, this option disables this feature; used mainly # for debug purposes. [[ $2 = doc || $2 = help ]] && isarg $1 $2 direct scale= ;; -monochrome) #-create B/W video or avoid color artifacts in B/W source streams [[ $2 = doc || $2 = help ]] && isarg $1 $2 direct YUVSCALEROPT="$YUVSCALEROPT -O MONOCHROME" ;; -split) #<n> #-split the resulting MPEG stream in <n> MB chunks. split=$2 isarg $1 "$2" direct shift ;; -encode) #<n:m:i[,b]> # the parameter n:m:i selects the audio codec, video codec options # and number of pass for mencoder, possible values are: # n m i # 0 copy 0 copy 1 # 1 pcm 1 libavcodec/mpeg 2 # 2 mp3lame/fast 2 as 1 + mbd=2 3 # 3 mp3lame/standard 3 as 1 + compression opts # 4 libavcodec/mp2 4 as 1 + quality opts # 5 libavcodec/mp3 # 6 libavcodec/ac3 for m=[2-4] and i>1 turbo is on # 7 toolame/mp2 # 8 libfaac/aac #- with n=[3-7] b specify the audio bit rate encode=5:3:2 echo "$2" | grep -qE '^[0-8]:[0-4]:[1-9](,[0-9]+)?$' && encode=$2 isarg $1 "$2" $([[ $mpeg ]] && echo mpeg || echo Avi) shift ;; -telecinesrc) # # if you use -encode n:0:i in MPEG Mode, encode2mpeg needs to know # if the source NTSC MPEG is telecined, otherwise the stream copy may # not work properly; normally encode2mpeg is able to detect telecined # sources, but, if the source MPEG is mixed, part not telecined and # part telecined, encode2mpeg may fail to detect it. In such case, #-you can use this option to specify a telecined source. [[ $2 = doc || $2 = help ]] && isarg $1 $2 mpeg telesrc=1 ;; -turbo) #<0-1> # disable (0) or force (1) turbo mode for the first pass of N pass #-encoding (N>1) echo "$2" | grep -q '^[0-1]$' && turbo=$2⌨️ 快捷键说明
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