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Optimierte ffmpeg-Einstellungen

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This commit is contained in:
Stefan Bethke 2010-01-02 13:44:24 +00:00
parent c8905402eb
commit dd58aae222
1 changed files with 59 additions and 42 deletions
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101
src/tivomirror/tivomirror
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@ -1,6 +1,6 @@
#!/usr/bin/python
# $Schlepperbande: src/tivomirror/tivomirror,v 1.1 2010/01/01 22:32:48 stb Exp $
# $Schlepperbande: src/tivomirror/tivomirror,v 1.2 2010/01/02 00:51:02 stb Exp $
#
# Stefans Script, um die Sendungen vom Tivo runterzuladen und in MPEG4
# zu transkodieren.
@ -20,6 +20,12 @@ import xml.dom.minidom
host = "tivo.lassitu.de"
mak = "7194378159"
arset = dict()
arset["Family Guy"] = 43
arset["The Colbert Report"] = 43
arset["The Daily Show With Jon Stewart"] = 43
class flushfile(object):
def __init__(self, f):
self.f = f
@ -34,20 +40,10 @@ except OSError:
pass
pwmgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
authhandler = urllib2.HTTPDigestAuthHandler(pwmgr)
cookiejar = cookielib.MozillaCookieJar("tivo/.cookies.txt")
cookiejar = cookielib.MozillaCookieJar(os.getcwd() + "/tivo/.cookies.txt")
opener = urllib2.build_opener(authhandler, urllib2.HTTPCookieProcessor(cookiejar))
urllib2.install_opener(opener)
transcode_srcopts = []
transcode_srcopts.extend(["-aspect", "4:3"])
transcode_srcopts.append("-i")
transcode_dstopts = []
transcode_dstopts.extend(["-threads", "8"])
transcode_dstopts.extend(["-vcodec", "libx264", "-b", "1200kb"])
#transcode_dstopts.extend(["-croptop", "8", "-cropbottom", "8", "-cropleft", "8", "-cropright", "8"])
transcode_dstopts.extend(["-croptop", "60", "-cropbottom", "60", "-cropleft", "4", "-cropright", "4"])
transcode_dstopts.extend(["-y", "-deinterlace"])
#transcode_dstopts.extend(["-aspect", "4:3"])
transcode_dstopts.extend(["-aspect", "16:9"])
tmp = "/tmp"
tmpmp2 = "/mnt/fast/tmp/tivo.mpg"
tmpmp4 = "/mnt/fast/tmp/tivo.mp4"
@ -75,48 +71,64 @@ def getTagText(element, tagname):
return ""
def transcode(file, passno):
def transcode(file, passno, ar):
print "--- transcoding pass %d" % passno
try:
os.remove(tmpmp4)
except OSError:
pass
transcode_opts = [ "ffmpeg" ];
transcode_opts.extend(transcode_srcopts)
# transcode_opts.extend(["-t", "60"]) # testing only: only 60 seconds
transcode_opts.extend(["-aspect", "4:3", "-i"])
transcode_opts.append(tmpmp2)
transcode_opts.extend(transcode_dstopts)
if passno == 2:
transcode_opts.extend(["-acodec", "libfaac", "-ab", "96kb"])
transcode_opts.extend(["-acodec", "libfaac", "-ab", "128kb"])
transcode_opts.extend(["-pass", "%d" % passno])
transcode_opts.extend(["-vcodec", "libx264"])
if passno == 2:
transcode_opts.extend(["-vpre", "fastfirstpass"])
else:
transcode_opts.extend(["-vpre", "hq"])
transcode_opts.extend(["-threads", "0", "-b", "1200kb"])
if ar == 43:
transcode_opts.extend(["-croptop", "8", "-cropbottom", "8", "-cropleft", "8", "-cropright", "8"])
transcode_opts.extend(["-aspect", "4:3"])
else:
transcode_opts.extend(["-croptop", "64", "-cropbottom", "64", "-cropleft", "8", "-cropright", "8"])
transcode_opts.extend(["-aspect", "16:9"])
transcode_opts.extend(["-y", "-deinterlace"])
transcode_opts.append(tmpmp4)
print " %s" % " ".join(transcode_opts)
subprocess.check_call(transcode_opts)
def download_decode(file, url, mak):
def download_decode(file, url, mak, ar):
try:
os.makedirs(dir)
except OSError:
pass
print "--- dowloading \"%s\"" % url
p_curl = subprocess.Popen(["curl", "--anyauth", "--fail", \
"--insecure", "--cookie", "tivo/.cookies.txt", \
"--user", "tivo:%s" % mak, "--url", url], \
stdout=subprocess.PIPE)
p_decode = subprocess.Popen(["tivodecode", "--mak", mak, \
"--out", tmpmp2, "-"], stdin=p_curl.stdout)
status = {}
(spid, sse) = os.wait()
status.update({spid: sse})
(spid, sse) = os.wait()
status.update({spid: sse})
if status.get(p_curl.pid) >> 8 != 0:
print "error downloading file: %d" % (status.get(p_curl.pid) >> 8)
exit(1)
if status.get(p_decode.pid) >> 8 != 0:
print "error decoding file: %d" % (status.get(p_decode.pid) >> 8)
exit(1)
transcode(file, 1)
transcode(file, 2)
if not os.path.exists(tmpmp2):
print "--- dowloading \"%s\"" % url
p_curl = subprocess.Popen(["curl", "--anyauth", "--fail", \
"--insecure", "--cookie", "tivo/.cookies.txt", \
"--user", "tivo:%s" % mak, "--url", url], \
stdout=subprocess.PIPE)
p_decode = subprocess.Popen(["tivodecode", "--mak", mak, \
"--out", tmpmp2, "-"], stdin=p_curl.stdout)
status = {}
(spid, sse) = os.wait()
status.update({spid: sse})
(spid, sse) = os.wait()
status.update({spid: sse})
if status.get(p_curl.pid) >> 8 != 0:
print "error downloading file: %d" % (status.get(p_curl.pid) >> 8)
exit(1)
if status.get(p_decode.pid) >> 8 != 0:
print "error decoding file: %d" % (status.get(p_decode.pid) >> 8)
exit(1)
transcode(file, 1, ar)
transcode(file, 2, ar)
print "--- copying to \"%s\"" % file
shutil.copy(tmpmp4, "%s.mp4" % file)
os.remove(tmpmp2)
@ -128,8 +140,9 @@ def savetoc():
fd.close()
exit(0)
downloaddb = anydbm.open("tivo/.downloads", "c")
curdir = os.getcwd()
os.chdir(tmp)
downloaddb = anydbm.open(curdir + "/tivo/.downloads", "c")
print "*** Getting listing"
dom = xml.dom.minidom.parseString(gettoc())
cookiejar.save()
@ -147,12 +160,16 @@ for i in items:
if episode == "":
episode = date
name = "%s - %s" % (title, episode)
dir = "tivo/%s" % (title)
dir = "%s/tivo/%s" % (curdir, title)
file = "%s/%s" % (dir, name)
name = name.encode("utf-8");
dir = dir.encode("utf-8");
file = file.encode("utf-8");
ar = 169
if arset.has_key(title):
ar = arset[title]
if inprogress == "Yes":
print "*** skipping \"%s\": is currently being recorded" % name
continue
@ -160,7 +177,7 @@ for i in items:
print "*** skipping \"%s\": already downloaded" % name
continue
print "*** downloading \"%s\"" % name
download_decode(file, url, mak)
download_decode(file, url, mak, title)
downloaddb[name] = date
if getattr(downloaddb, "sync", None) and callable(downloaddb.sync):
downloaddb.sync()