X-Git-Url: https://code.delx.au/transcoding/blobdiff_plain/4515ace8b9c4721c427a163b63341e8b2a5a374c..HEAD:/py-encode diff --git a/py-encode b/py-encode index e92d89d..4d2e77c 100755 --- a/py-encode +++ b/py-encode @@ -1,4 +1,4 @@ -#!/usr/bin/env python +#!/usr/bin/python2 from functools import partial import optparse @@ -10,499 +10,499 @@ import shutil import tempfile class FatalException(Exception): - pass + pass def mkarg(arg): - if re.match("^[a-zA-Z0-9\-\\.,/@_:=]*$", arg): - return arg - - if "'" not in arg: - return "'%s'" % arg - out = "\"" - for c in arg: - if c in "\\$\"`": - out += "\\" - out += c - out += "\"" - return out + if re.match("^[a-zA-Z0-9\-\\.,/@_:=]*$", arg): + return arg + + if "'" not in arg: + return "'%s'" % arg + out = "\"" + for c in arg: + if c in "\\$\"`": + out += "\\" + out += c + out += "\"" + return out def midentify(source, field): - process = subprocess.Popen( - [ - "mplayer", source, - "-ao", "null", "-vo", "null", - "-frames", "0", "-identify", - ], - stdout=subprocess.PIPE, - stderr=subprocess.PIPE, - ) - for line in process.stdout: - try: - key, value = line.split("=") - except ValueError: - continue - if key == field: - return value.strip() + process = subprocess.Popen( + [ + "mplayer", source, + "-ao", "null", "-vo", "null", + "-frames", "0", "-identify", + ], + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + ) + for line in process.stdout: + try: + key, value = line.split("=") + except ValueError: + continue + if key == field: + return value.strip() def append_cmd(cmd, opt, var): - if var is not None: - cmd.append(opt) - cmd.append(str(var)) + if var is not None: + cmd.append(opt) + cmd.append(str(var)) def duplicate_opts(opts): - return optparse.Values(opts.__dict__) + return optparse.Values(opts.__dict__) def insert_mplayer_options(cmd, o): - if o.mplayer_done: - return - - do_opt = partial(append_cmd, cmd) - do_opt("-mc", o.mc) - do_opt("-ss", o.startpos) - do_opt("-endpos", o.endpos) - do_opt("-dvd-device", o.dvd) - do_opt("-chapter", o.chapter) - do_opt("-aid", o.audioid) - do_opt("-sid", o.subtitleid) - do_opt("-vf", o.vfilters) - do_opt("-af", o.afilters) - - if o.deinterlace: - cmd += ["-vf-pre", "yadif"] - if o.detelecine: - cmd += ["-vf-pre", "pullup,softskip", "-ofps", "24000/1001"] - if o.noskip: - cmd += ["-noskip"] - if o.skipkb: - cmd += ["-sb", str(o.skipkb * 1024)] + if o.mplayer_done: + return + + do_opt = partial(append_cmd, cmd) + do_opt("-mc", o.mc) + do_opt("-ss", o.startpos) + do_opt("-endpos", o.endpos) + do_opt("-dvd-device", o.dvd) + do_opt("-chapter", o.chapter) + do_opt("-aid", o.audioid) + do_opt("-sid", o.subtitleid) + do_opt("-vf", o.vfilters) + do_opt("-af", o.afilters) + + if o.deinterlace: + cmd += ["-vf-pre", "yadif"] + if o.detelecine: + cmd += ["-vf-pre", "pullup,softskip", "-ofps", "24000/1001"] + if o.noskip: + cmd += ["-noskip"] + if o.skipkb: + cmd += ["-sb", str(o.skipkb * 1024)] class Command(object): - def __init__(self, profile, opts): - self.profile = profile - self.opts = opts - self.__process = None - self.init() - - def init(self): - pass - - def check_command(self, cmd): - if self.opts.dump: - return - if subprocess.Popen(["which", cmd], stdout=open("/dev/null", "w")).wait() != 0: - raise FatalException("Command '%s' is required" % cmd) - - def check_no_file(self, path): - if os.path.exists(path): - raise FatalException("Output file '%s' exists." % path) - - def do_exec(self, args, wait=True): - if self.opts.dump: - print " ".join(map(mkarg, args)) - else: - self.__process = subprocess.Popen(args) - self.__args = args - if wait: - self.wait() - - def wait(self): - if self.__process == None: - return - if self.__process.wait() != 0: - raise FatalException("Failure executing command: %s" % self.__args) - self.__process = None + def __init__(self, profile, opts): + self.profile = profile + self.opts = opts + self.__process = None + self.init() + + def init(self): + pass + + def check_command(self, cmd): + if self.opts.dump: + return + if subprocess.Popen(["which", cmd], stdout=open("/dev/null", "w")).wait() != 0: + raise FatalException("Command '%s' is required" % cmd) + + def check_no_file(self, path): + if os.path.exists(path): + raise FatalException("Output file '%s' exists." % path) + + def do_exec(self, args, wait=True): + if self.opts.dump: + print " ".join(map(mkarg, args)) + else: + self.__process = subprocess.Popen(args) + self.__args = args + if wait: + self.wait() + + def wait(self): + if self.__process == None: + return + if self.__process.wait() != 0: + raise FatalException("Failure executing command: %s" % self.__args) + self.__process = None class MP4Box(Command): - def init(self): - self.check_command("MP4Box") - self.check_no_file(self.opts.output + ".mp4") + def init(self): + self.check_command("MP4Box") + self.check_no_file(self.opts.output + ".mp4") - def run(self): - o = self.opts - p = self.profile + def run(self): + o = self.opts + p = self.profile - if o.dump: - fps = "???" - else: - fps = midentify(p.video_tmp, "ID_VIDEO_FPS") + if o.dump: + fps = "???" + else: + fps = midentify(p.video_tmp, "ID_VIDEO_FPS") - self.do_exec([ - "MP4Box", - "-fps", fps, - "-add", p.video_tmp, - "-add", p.audio_tmp, - o.output + ".mp4" - ]) + self.do_exec([ + "MP4Box", + "-fps", fps, + "-add", p.video_tmp, + "-add", p.audio_tmp, + o.output + ".mp4" + ]) class MKVMerge(Command): - def init(self): - self.check_command("mkvmerge") - self.check_no_file(self.opts.output + ".mkv") + def init(self): + self.check_command("mkvmerge") + self.check_no_file(self.opts.output + ".mkv") - def run(self): - o = self.opts - p = self.profile + def run(self): + o = self.opts + p = self.profile - if o.dump: - fps = "???" - else: - fps = midentify(p.video_tmp, "ID_VIDEO_FPS") + if o.dump: + fps = "???" + else: + fps = midentify(p.video_tmp, "ID_VIDEO_FPS") - self.do_exec([ - "mkvmerge", - "-o", o.output + ".mkv", - "--default-duration", "0:%sfps"%fps, - p.video_tmp, - p.audio_tmp, - ]) + self.do_exec([ + "mkvmerge", + "-o", o.output + ".mkv", + "--default-duration", "0:%sfps"%fps, + p.video_tmp, + p.audio_tmp, + ]) class MencoderLossless(Command): - def init(self): - self.check_command("mencoder") - self.check_no_file("lossless.avi") - - ofut = self.opts - self.opts = duplicate_opts(ofut) - ofut.input = "lossless.avi" - ofut.mplayer_done = True - - def run(self): - fifo = False - if fifo: - os.mkfifo("lossless.avi") - o = self.opts - cmd = [] - cmd += ["mencoder", self.opts.input, "-o", "lossless.avi"] - cmd += ["-noconfig", "all"] - cmd += ["-oac", "copy", "-ovc", "lavc", "-lavcopts", "vcodec=ffv1:autoaspect"] - insert_mplayer_options(cmd, self.opts) - cmd += ["-vf-add", "harddup"] - self.do_exec(cmd, wait=not fifo) + def init(self): + self.check_command("mencoder") + self.check_no_file("lossless.avi") + + ofut = self.opts + self.opts = duplicate_opts(ofut) + ofut.input = "lossless.avi" + ofut.mplayer_done = True + + def run(self): + fifo = False + if fifo: + os.mkfifo("lossless.avi") + o = self.opts + cmd = [] + cmd += ["mencoder", self.opts.input, "-o", "lossless.avi"] + cmd += ["-noconfig", "all"] + cmd += ["-oac", "copy", "-ovc", "lavc", "-lavcopts", "vcodec=ffv1:autoaspect"] + insert_mplayer_options(cmd, self.opts) + cmd += ["-vf-add", "harddup"] + self.do_exec(cmd, wait=not fifo) class MPlayer(Command): - def init(self): - self.check_command("mplayer") - self.check_no_file("video.y4m") - self.check_no_file("audio.wav") - - def run(self): - os.mkfifo("video.y4m") - os.mkfifo("audio.wav") - cmd = [] - cmd += ["mplayer", self.opts.input] - cmd += ["-benchmark", "-noconsolecontrols", "-noconfig", "all"] - cmd += ["-vo", "yuv4mpeg:file=video.y4m"] - cmd += ["-ao", "pcm:waveheader:file=audio.wav"] - insert_mplayer_options(cmd, self.opts) - cmd += self.profile.mplayeropts - self.do_exec(cmd, wait=False) + def init(self): + self.check_command("mplayer") + self.check_no_file("video.y4m") + self.check_no_file("audio.wav") + + def run(self): + os.mkfifo("video.y4m") + os.mkfifo("audio.wav") + cmd = [] + cmd += ["mplayer", self.opts.input] + cmd += ["-benchmark", "-noconsolecontrols", "-noconfig", "all"] + cmd += ["-vo", "yuv4mpeg:file=video.y4m"] + cmd += ["-ao", "pcm:waveheader:file=audio.wav"] + insert_mplayer_options(cmd, self.opts) + cmd += self.profile.mplayeropts + self.do_exec(cmd, wait=False) class MencoderCopyAC3(Command): - def init(self): - self.check_command("mplayer") - self.check_no_file("audio.ac3") - self.profile.audio_tmp = "audio.ac3" - - def run(self): - cmd = [] - cmd += ["mencoder", self.opts.input] - cmd += ["-noconfig", "all"] - cmd += ["-ovc", "copy", "-oac", "copy"] - cmd += ["-of", "rawaudio", "-o", "audio.ac3"] - insert_mplayer_options(cmd, self.opts) - self.do_exec(cmd) + def init(self): + self.check_command("mplayer") + self.check_no_file("audio.ac3") + self.profile.audio_tmp = "audio.ac3" + + def run(self): + cmd = [] + cmd += ["mencoder", self.opts.input] + cmd += ["-noconfig", "all"] + cmd += ["-ovc", "copy", "-oac", "copy"] + cmd += ["-of", "rawaudio", "-o", "audio.ac3"] + insert_mplayer_options(cmd, self.opts) + self.do_exec(cmd) class X264(Command): - def init(self): - self.check_command("x264") - self.profile.video_tmp = "video.h264" + def init(self): + self.check_command("x264") + self.profile.video_tmp = "video.h264" - def run(self): - p = self.profile - cmd = [] - cmd += ["x264", "--no-progress"] - cmd += p.x264opts - cmd += ["-o", p.video_tmp] - cmd += ["video.y4m"] - self.do_exec(cmd, wait=False) + def run(self): + p = self.profile + cmd = [] + cmd += ["x264", "--no-progress"] + cmd += p.x264opts + cmd += ["-o", p.video_tmp] + cmd += ["video.y4m"] + self.do_exec(cmd, wait=False) class Lame(Command): - def init(self): - self.check_command("lame") - self.profile.audio_tmp = "audio.mp3" + def init(self): + self.check_command("lame") + self.profile.audio_tmp = "audio.mp3" - def run(self): - p = self.profile - cmd = [] - cmd += ["lame", "--quiet"] - cmd += p.lameopts - cmd += ["audio.wav"] - cmd += [p.audio_tmp] - self.do_exec(cmd, wait=False) + def run(self): + p = self.profile + cmd = [] + cmd += ["lame", "--quiet"] + cmd += p.lameopts + cmd += ["audio.wav"] + cmd += [p.audio_tmp] + self.do_exec(cmd, wait=False) class Faac(Command): - def init(self): - self.check_command("faac") - self.profile.audio_tmp = "audio.aac" + def init(self): + self.check_command("faac") + self.profile.audio_tmp = "audio.aac" - def run(self): - p = self.profile - cmd = [] - cmd += ["faac"] - cmd += ["-o", p.audio_tmp] - cmd += p.faacopts - cmd += ["audio.wav"] - self.do_exec(cmd, wait=False) + def run(self): + p = self.profile + cmd = [] + cmd += ["faac"] + cmd += ["-o", p.audio_tmp] + cmd += p.faacopts + cmd += ["audio.wav"] + self.do_exec(cmd, wait=False) class Mencoder(Command): - codec2opts = { - "xvid": "-xvidencopts", - "x264": "-x264encopts", - "faac": "-faacopts", - "mp3lame": "-lameopts", - } - - def init(self): - o = self.opts - p = self.profile - - self.check_command("mencoder") - self.check_no_file(o.output + ".avi") - - p.video_tmp = o.output + ".avi" - p.audio_tmp = o.output + ".avi" - - def run(self): - o = self.opts - p = self.profile - - cmd = [] - cmd += ["mencoder", o.input] - cmd += ["-noconfig", "all"] - insert_mplayer_options(cmd, o) - cmd += ["-vf-add", "harddup"] - cmd += ["-ovc", p.vcodec, self.codec2opts[p.vcodec], p.vopts] - cmd += ["-oac", p.acodec] - if p.aopts: - cmd += [self.codec2opts[p.acodec], p.aopts] - cmd += self.profile.mplayeropts - cmd += ["-o", self.opts.output + ".avi"] - - self.do_exec(cmd) + codec2opts = { + "xvid": "-xvidencopts", + "x264": "-x264encopts", + "faac": "-faacopts", + "mp3lame": "-lameopts", + } + + def init(self): + o = self.opts + p = self.profile + + self.check_command("mencoder") + self.check_no_file(o.output + ".avi") + + p.video_tmp = o.output + ".avi" + p.audio_tmp = o.output + ".avi" + + def run(self): + o = self.opts + p = self.profile + + cmd = [] + cmd += ["mencoder", o.input] + cmd += ["-noconfig", "all"] + insert_mplayer_options(cmd, o) + cmd += ["-vf-add", "harddup"] + cmd += ["-ovc", p.vcodec, self.codec2opts[p.vcodec], p.vopts] + cmd += ["-oac", p.acodec] + if p.aopts: + cmd += [self.codec2opts[p.acodec], p.aopts] + cmd += self.profile.mplayeropts + cmd += ["-o", self.opts.output + ".avi"] + + self.do_exec(cmd) class MencoderDemux(Command): - codec2exts = { - "xvid": "m4v", - "x264": "h264", - "faac": "aac", - "mp3lame": "mp3", - "copyac3": "ac3", - } - - def init(self): - o = self.opts - p = self.profile - - self.check_command("mencoder") - p.audio_tmp = "audio." + self.codec2exts[p.acodec] - p.video_tmp = "video." + self.codec2exts[p.vcodec] - self.check_no_file(p.audio_tmp) - self.check_no_file(p.video_tmp) - - def run(self): - o = self.opts - p = self.profile - - cmd = ["mencoder", "-ovc", "copy", "-oac", "copy", o.output + ".avi"] - cmd += ["-noconfig", "all", "-noskip", "-mc", "0"] - self.do_exec(cmd + ["-of", "rawaudio", "-o", p.audio_tmp]) - self.do_exec(cmd + ["-of", "rawvideo", "-o", p.video_tmp]) - self.do_exec(["rm", "-f", o.output + ".avi"]) + codec2exts = { + "xvid": "m4v", + "x264": "h264", + "faac": "aac", + "mp3lame": "mp3", + "copyac3": "ac3", + } + + def init(self): + o = self.opts + p = self.profile + + self.check_command("mencoder") + p.audio_tmp = "audio." + self.codec2exts[p.acodec] + p.video_tmp = "video." + self.codec2exts[p.vcodec] + self.check_no_file(p.audio_tmp) + self.check_no_file(p.video_tmp) + + def run(self): + o = self.opts + p = self.profile + + cmd = ["mencoder", "-ovc", "copy", "-oac", "copy", o.output + ".avi"] + cmd += ["-noconfig", "all", "-noskip", "-mc", "0"] + self.do_exec(cmd + ["-of", "rawaudio", "-o", p.audio_tmp]) + self.do_exec(cmd + ["-of", "rawvideo", "-o", p.video_tmp]) + self.do_exec(["rm", "-f", o.output + ".avi"]) class Profile(object): - def __init__(self, commands, **kwargs): - self.commands = commands - self.__dict__.update(kwargs) + def __init__(self, commands, **kwargs): + self.commands = commands + self.__dict__.update(kwargs) - def __contains__(self, keyname): - return hasattr(self, keyname) + def __contains__(self, keyname): + return hasattr(self, keyname) class Wait(object): - def __init__(self, commands): - self.commands = commands[:] - - def run(self): - for command in self.commands: - command.wait() + def __init__(self, commands): + self.commands = commands[:] + + def run(self): + for command in self.commands: + command.wait() profiles = { - "x264/lame" : - Profile( - commands=[MPlayer, X264, Lame, Wait, MKVMerge], - mplayeropts=[], - x264opts=["--preset", "veryslow", "--crf", "20"], - lameopts=["--preset", "medium"], - ), - - "x264/copyac3" : - Profile( - commands=[MPlayer, X264, Wait, MencoderCopyAC3, MKVMerge], - mplayeropts=["-nosound"], - x264opts=["--preset", "veryslow", "--crf", "20"], - ), - - "x264/lame/fast" : - Profile( - commands=[MPlayer, X264, Lame, Wait, MKVMerge], - mplayeropts=[], - x264opts=["--preset", "fast", "--crf", "23"], - lameopts=["--preset", "medium"], - ), - - "xvid/lame" : - Profile( - commands=[Mencoder], - mplayeropts=["-ffourcc", "DX50"], - vcodec="xvid", - vopts="fixed_quant=2:vhq=4:autoaspect", - acodec="mp3lame", - aopts="cbr:br=128", - ), - - "apple-quicktime" : - Profile( - commands=[MPlayer, X264, Faac, Wait, MP4Box], - mplayeropts=[], - x264opts=["--crf", "20", "--bframes", "1"], - faacopts=["-q", "100", "--mpeg-vers", "4"], - ), - - "nokia-n97" : - Profile( - commands=[Mencoder, MencoderDemux, MP4Box], - mplayeropts=["-vf-add", "scale=640:-10"], - vcodec="xvid", - vopts="bitrate=384:vhq=4:autoaspect:max_bframes=0", - acodec="faac", - aopts="br=64:mpeg=4:object=2", - ), + "x264/lame" : + Profile( + commands=[MPlayer, X264, Lame, Wait, MKVMerge], + mplayeropts=[], + x264opts=["--preset", "veryslow", "--crf", "20"], + lameopts=["--preset", "medium"], + ), + + "x264/copyac3" : + Profile( + commands=[MPlayer, X264, Wait, MencoderCopyAC3, MKVMerge], + mplayeropts=["-nosound"], + x264opts=["--preset", "veryslow", "--crf", "20"], + ), + + "x264/lame/fast" : + Profile( + commands=[MPlayer, X264, Lame, Wait, MKVMerge], + mplayeropts=[], + x264opts=["--preset", "fast", "--crf", "23"], + lameopts=["--preset", "medium"], + ), + + "xvid/lame" : + Profile( + commands=[Mencoder], + mplayeropts=["-ffourcc", "DX50"], + vcodec="xvid", + vopts="fixed_quant=2:vhq=4:autoaspect", + acodec="mp3lame", + aopts="cbr:br=128", + ), + + "apple-quicktime" : + Profile( + commands=[MPlayer, X264, Faac, Wait, MP4Box], + mplayeropts=[], + x264opts=["--crf", "20", "--bframes", "1"], + faacopts=["-q", "100", "--mpeg-vers", "4"], + ), + + "nokia-n97" : + Profile( + commands=[Mencoder, MencoderDemux, MP4Box], + mplayeropts=["-vf-add", "scale=640:-10"], + vcodec="xvid", + vopts="bitrate=384:vhq=4:autoaspect:max_bframes=0", + acodec="faac", + aopts="br=64:mpeg=4:object=2", + ), } mappings = { - "x264": "x264/lame", - "xvid": "xvid/lame", + "x264": "x264/lame", + "xvid": "xvid/lame", } for x, y in mappings.iteritems(): - profiles[x] = profiles[y] + profiles[x] = profiles[y] def parse_args(): - for profile_name in profiles.keys(): - if sys.argv[0].find(profile_name) >= 0: - break - else: - profile_name = "xvid/lame" - - parser = optparse.OptionParser(usage="%prog [options] input [output]") - parser.add_option("--dvd", action="store", dest="dvd") - parser.add_option("--fixmux", action="store_true", dest="fixmux") - parser.add_option("--deinterlace", action="store_true", dest="deinterlace") - parser.add_option("--detelecine", action="store_true", dest="detelecine") - parser.add_option("--mc", action="store", dest="mc", type="float") - parser.add_option("--noskip", action="store_true", dest="noskip") - parser.add_option("--vfilters", action="store", dest="vfilters") - parser.add_option("--afilters", action="store", dest="afilters") - parser.add_option("--chapter", action="store", dest="chapter") - parser.add_option("--skipkb", action="store", dest="skipkb", type="int") - 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("--subtitleid", action="store", dest="subtitleid") - parser.add_option("--profile", action="store", dest="profile_name", default=profile_name) - parser.add_option("--dump", action="store_true", dest="dump") - try: - opts, args = parser.parse_args(sys.argv[1:]) - if len(args) == 1: - input = args[0] - output = os.path.splitext(os.path.basename(input))[0] - elif len(args) == 2: - input, output = args - else: - raise ValueError - except Exception: - parser.print_usage() - sys.exit(1) - - if "://" not in input: - opts.input = os.path.abspath(input) - else: - if opts.dvd: - opts.dvd = os.path.abspath(opts.dvd) - opts.input = input - - opts.output = os.path.abspath(output) - opts.mplayer_done = False - - return opts + for profile_name in profiles.keys(): + if sys.argv[0].find(profile_name) >= 0: + break + else: + profile_name = "xvid/lame" + + parser = optparse.OptionParser(usage="%prog [options] input [output]") + parser.add_option("--dvd", action="store", dest="dvd") + parser.add_option("--fixmux", action="store_true", dest="fixmux") + parser.add_option("--deinterlace", action="store_true", dest="deinterlace") + parser.add_option("--detelecine", action="store_true", dest="detelecine") + parser.add_option("--mc", action="store", dest="mc", type="float") + parser.add_option("--noskip", action="store_true", dest="noskip") + parser.add_option("--vfilters", action="store", dest="vfilters") + parser.add_option("--afilters", action="store", dest="afilters") + parser.add_option("--chapter", action="store", dest="chapter") + parser.add_option("--skipkb", action="store", dest="skipkb", type="int") + 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("--subtitleid", action="store", dest="subtitleid") + parser.add_option("--profile", action="store", dest="profile_name", default=profile_name) + parser.add_option("--dump", action="store_true", dest="dump") + try: + opts, args = parser.parse_args(sys.argv[1:]) + if len(args) == 1: + input = args[0] + output = os.path.splitext(os.path.basename(input))[0] + elif len(args) == 2: + input, output = args + else: + raise ValueError + except Exception: + parser.print_usage() + sys.exit(1) + + if "://" not in input: + opts.input = os.path.abspath(input) + else: + if opts.dvd: + opts.dvd = os.path.abspath(opts.dvd) + opts.input = input + + opts.output = os.path.abspath(output) + opts.mplayer_done = False + + return opts def main(): - os.nice(1) - - opts = parse_args() - - # Find our profile - try: - profile = profiles[opts.profile_name] - except KeyError: - print >>sys.stderr, "Profile '%s' not found!" % opts.profile_name - sys.exit(1) - - # Run in a temp dir so that multiple instances can be run simultaneously - tempdir = tempfile.mkdtemp() - try: - os.chdir(tempdir) - - try: - commands = [] - if opts.fixmux or opts.detelecine: - profile.commands.insert(0, MencoderLossless) - for CommandClass in profile.commands: - if Command in CommandClass.__bases__: - command = CommandClass(profile, opts) - else: - command = CommandClass(commands) - commands.append(command) - for command in commands: - command.run() - - except FatalException, e: - print >>sys.stderr, "Error:", str(e) - sys.exit(1) - - finally: - os.chdir("/") - shutil.rmtree(tempdir) + os.nice(1) + + opts = parse_args() + + # Find our profile + try: + profile = profiles[opts.profile_name] + except KeyError: + print >>sys.stderr, "Profile '%s' not found!" % opts.profile_name + sys.exit(1) + + # Run in a temp dir so that multiple instances can be run simultaneously + tempdir = tempfile.mkdtemp() + try: + os.chdir(tempdir) + + try: + commands = [] + if opts.fixmux or opts.detelecine: + profile.commands.insert(0, MencoderLossless) + for CommandClass in profile.commands: + if Command in CommandClass.__bases__: + command = CommandClass(profile, opts) + else: + command = CommandClass(commands) + commands.append(command) + for command in commands: + command.run() + + except FatalException, e: + print >>sys.stderr, "Error:", str(e) + sys.exit(1) + + finally: + os.chdir("/") + shutil.rmtree(tempdir) if __name__ == "__main__": - main() + main()