Added another version of tomp4 (this one works for xvid)

[transcoding] / encode.py

#!/usr/bin/env python

import optparse, subprocess, sys

codecs = {
"x264":
[
        "mencoder", "%(input)s", "-o", "%(output)s",
        "-vf", "%(filters)s",
        "-ovc", "x264", "-x264encopts", "pass=%(pass)d:bitrate=%(vbitrate)d:me=umh:partitions=all:trellis=1:subq=7:bframes=1:direct_pred=auto",
        "-oac", "faac", "-faacopts", "br=%(abitrate)d:mpeg=4:object=2", "-channels", "2", "-srate", "48000",
],

###     "-ovc", "x264", "-x264encopts", "pass=%(pass)d:bitrate=%(vbitrate)d:me=umh:partitions=+parti4x4+partp8x8+partb8x8:trellis=1:subq=5:bframes=1:direct_pred=auto:threads=0:vbv_maxrate=10000:vbv_bufsize=10000",
"ip64":
[
        "mencoder", "%(input)s", "-o", "%(output)s",
        "-vf", "%(filters)s",
        "-ovc", "x264", "-x264encopts", "pass=%(pass)d:bitrate=%(vbitrate)d:me=dia:partitions=+parti4x4+partp8x8+partb8x8:trellis=1:subq=5:bframes=1:direct_pred=auto:threads=0:vbv_maxrate=10000:vbv_bufsize=10000",
        "-oac", "faac", "-faacopts", "br=%(abitrate)d:mpeg=4:object=2", "-channels", "2", "-srate", "48000",
],

"xvid":
[
        "mencoder", "%(input)s", "-o", "%(output)s",
        "-ffourcc", "DX50",
        "-vf", "%(filters)s",
        "-ovc", "xvid", "-xvidencopts", "pass=%(pass)d:bitrate=%(vbitrate)d:vhq=4",
        "-oac", "mp3lame", "-lameopts", "abr:br=%(abitrate)d",
],

"ipxv":
[
        "mencoder", "%(input)s", "-o", "%(output)s",
        "-vf", "%(filters)s",
        "-ovc", "xvid", "-xvidencopts", "pass=%(pass)d:bitrate=%(vbitrate)d:vhq=4:turbo:max_bframes=0",
        "-oac", "faac", "-faacopts", "br=%(abitrate)d:mpeg=4:object=2", "-channels", "2", "-srate", "48000",
],
}


def parseArgs():
        for codec in codecs.keys():
                if sys.argv[0].find(codec) >= 0:
                        break
        else:
                codec = "x264"

        parser = optparse.OptionParser(usage="%prog [options] input output")
        parser.add_option("--dvd", action="store", dest="dvd")
        parser.add_option("--filters", action="store", dest="filters", default="denoise3d")
        parser.add_option("--vbitrate", action="store", dest="vbitrate", type="int", default=700)
        parser.add_option("--abitrate", action="store", dest="abitrate", type="int", default=128)
        parser.add_option("--chapter", action="store", dest="chapter")
        parser.add_option("--startpos", action="store", dest="startpos")
        parser.add_option("--endpos", action="store", dest="endpos")
        parser.add_option("--audioid", action="store", dest="audioid")
        parser.add_option("--codec", action="store", dest="codec", default=codec)
        parser.add_option("--dump", action="store_true", dest="dump")
        parser.add_option("--sid", action="store", dest="sid")
        try:
                opts, (input, output) = parser.parse_args(sys.argv[1:])
        except:
                parser.print_usage()
                sys.exit(1)
        
        return opts, codec, input, output

def run(args, dump):
        if dump:
                print " ".join(args)
        else:
                subprocess.Popen(args).wait()

def main():
        opts, codec, input, output = parseArgs()
        try:
                cmd = codecs[codec]
        except:
                print >>sys.stderr, "Codec '%s' not found!" % codec
                sys.exit(1)


        def insertOpt(opt, var):
                if var:
                        cmd.insert(1, var)
                        cmd.insert(1, opt)
        insertOpt("-ss", opts.startpos)
        insertOpt("-endpos", opts.endpos)
        insertOpt("-dvd-device", opts.dvd)
        insertOpt("-chapter", opts.chapter)
        insertOpt("-aid", opts.audioid)
        insertOpt("-sid", opts.sid)

        subst = {
                "vbitrate": opts.vbitrate,
                "abitrate": opts.abitrate,
                "filters": opts.filters,
                "input": input,
        }

        # Pass 1
        subst["pass"] = 1
        subst["output"] = "/dev/null"
        run([x % subst for x in cmd], opts.dump)

        # Pass 2
        subst["pass"] = 2
        subst["output"] = output
        run([x % subst for x in cmd], opts.dump)

if __name__ == "__main__":
        main()