#!/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",
-],
-
-"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",
-],
+import commands, optparse, subprocess, sys
+
+
+codec2opts = {
+ "lavc": "-lavcopts",
+ "xvid": "-xvidencopts",
+ "x264": "-x264encopts",
+ "faac": "-faaccopts",
+ "mp3lame": "-lameopts",
+}
+
+class Command(object):
+ def __init__(self, profile, opts):
+ self.profile = profile
+ self.opts = opts
+
+ def insertOptions(self, cmd):
+ def tryOpt(opt, var):
+ if var:
+ cmd.append(opt)
+ cmd.append(var)
+ tryOpt("-ss", self.opts.startpos)
+ tryOpt("-endpos", self.opts.endpos)
+ tryOpt("-dvd-device", self.opts.dvd)
+ tryOpt("-chapter", self.opts.chapter)
+ tryOpt("-aid", self.opts.audioid)
+ tryOpt("-vf", self.opts.vfilters)
+ tryOpt("-af", self.opts.afilters)
+
+ def substValues(self, cmd):
+ subst = {
+ "vbitrate": self.opts.vbitrate,
+ "abitrate": self.opts.abitrate,
+ "input": self.opts.input,
+ "output": self.opts.output,
+ }
+
+ return [x % subst for x in cmd]
+
+ def pass1(self):
+ p = self.profile
+ cmd = []
+ cmd += ["mencoder", "%(input)s", "-o", "/dev/null"]
+ self.insertOptions(cmd)
+ cmd += ["-ovc", p.vcodec, codec2opts[p.vcodec], "pass=1:%s" % p.vopts]
+ cmd += ["-oac", "copy"]
+ cmd = self.substValues(cmd)
+ return cmd
+
+ def pass2(self):
+ p = self.profile
+ cmd = []
+ cmd += ["mencoder", "%(input)s", "-o", "%(output)s"]
+ self.insertOptions(cmd)
+ cmd += ["-ovc", p.vcodec, codec2opts[p.vcodec], "pass=2:%s" % p.vopts]
+ cmd += ["-oac", p.acodec, codec2opts[p.acodec], p.aopts]
+ cmd += self.profile.extra
+ cmd = self.substValues(cmd)
+ return cmd
+
+class Profile(object):
+ def __init__(self, vcodec, vopts, acodec, aopts, extra=[]):
+ self.vcodec = vcodec
+ self.vopts = vopts
+ self.acodec = acodec
+ self.aopts = aopts
+ self.extra = extra
+
+
+profiles = {
+ "qt7" :
+ Profile(
+ vcodec="x264",
+ vopts="bitrate=%(vbitrate)d:me=umh:partitions=all:trellis=1:subq=7:bframes=1:direct_pred=auto",
+ acodec="faac",
+ aopts="br=%(abitrate)d:mpeg=4:object=2",
+ ),
+
+ "xvid" :
+ Profile(
+ vcodec="xvid",
+ vopts="bitrate=%(vbitrate)d:vhq=4:autoaspect",
+ acodec="mp3lame",
+ aopts="abr:br=%(abitrate)d",
+ extra=["-ffourcc", "DX50"],
+ ),
}
-def parseArgs():
- for codec in codecs.keys():
- if sys.argv[0].find(codec) >= 0:
+def parse_args():
+ for profile_name in profiles.keys():
+ if sys.argv[0].find(profile_name) >= 0:
break
else:
- codec = "x264"
+ profile_name = "qt7"
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("--vfilters", action="store", dest="vfilters")
+ parser.add_option("--afilters", action="store", dest="afilters")
+ parser.add_option("--vbitrate", action="store", dest="vbitrate", type="int", default=1000)
+ parser.add_option("--abitrate", action="store", dest="abitrate", type="int", default=192)
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("--profile", action="store", dest="profile_name", default=profile_name)
parser.add_option("--dump", action="store_true", dest="dump")
try:
opts, (input, output) = parser.parse_args(sys.argv[1:])
parser.print_usage()
sys.exit(1)
- return opts, codec, input, output
+ opts.input = input
+ opts.output = output
+ return opts
def run(args, dump):
if dump:
- print " ".join(args)
+ print "".join(map(commands.mkarg, args))[1:]
else:
- subprocess.Popen(args).wait()
+ return subprocess.Popen(args).wait()
def main():
- opts, codec, input, output = parseArgs()
+ opts = parse_args()
try:
- cmd = codecs[codec]
+ profile = profiles[opts.profile_name]
except:
- print >>sys.stderr, "Codec '%s' not found!" % codec
+ print >>sys.stderr, "Profile '%s' not found!" % profile_name
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)
-
- 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)
+ cmd = Command(profile, opts)
+ if run(cmd.pass1(), opts.dump) == 0 or opts.dump:
+ run(cmd.pass2(), opts.dump)
if __name__ == "__main__":
main()