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|
--- mythburn.py.orig 2011-09-16 13:41:43.000000000 -0500
+++ mythburn.py 2011-09-17 10:51:36.000000000 -0500
@@ -38,7 +38,7 @@
#******************************************************************************
# version of script - change after each update
-VERSION="0.1.20101206-1"
+VERSION="0.1.20110821-1"
# keep all temporary files for debugging purposes
# set this to True before a first run through when testing
@@ -75,6 +75,7 @@
from fcntl import ioctl
import CDROM
from shutil import copy
+from subprocess import Popen, PIPE
# media types (should match the enum in mytharchivewizard.h)
DVD_SL = 0
@@ -606,7 +607,7 @@
# of a video file from its stream info file
def getVideoParams(folder):
- """Returns the video resolution, fps and aspect ratio for the video file from the streamindo.xml file"""
+ """Returns the video resolution, fps and aspect ratio for the video file from the streaminfo.xml file"""
#open the XML containing information about this file
infoDOM = xml.dom.minidom.parse(os.path.join(folder, 'streaminfo.xml'))
@@ -642,14 +643,14 @@
# Gets the aspect ratio of a video file from its stream info file
def getAspectRatioOfVideo(index):
- """Returns the aspect ratio of the video file (1.333, 1.778, etc)"""
+ """Returns the aspect ratio of the original video file (1.333, 1.778, etc)"""
#open the XML containing information about this file
- infoDOM = xml.dom.minidom.parse(os.path.join(getItemTempPath(index), 'streaminfo.xml'))
+ infoDOM = xml.dom.minidom.parse(os.path.join(getItemTempPath(index), 'streaminfo_orig.xml'))
#error out if its the wrong XML
if infoDOM.documentElement.tagName != "file":
- fatalError("Stream info file doesn't look right (%s)" % os.path.join(getItemTempPath(index), 'streaminfo.xml'))
+ fatalError("Stream info file doesn't look right (%s)" % os.path.join(getItemTempPath(index), 'streaminfo_orig.xml'))
video = infoDOM.getElementsByTagName("file")[0].getElementsByTagName("streams")[0].getElementsByTagName("video")[0]
if video.attributes["aspectratio"].value != 'N/A':
aspect_ratio = float(video.attributes["aspectratio"].value)
@@ -1762,6 +1763,37 @@
#############################################################
+# Finds the path of a video file from the local video path
+# or Storage Group
+
+def getVideoPath(filename):
+ # connect
+ db = getDatabaseConnection()
+ # create a cursor
+ cursor = db.cursor()
+ # execute SQL statement
+ cursor.execute("""SELECT dirname
+ FROM storagegroup
+ WHERE groupname='Videos'""")
+ # get the resultset as a tuple
+ result = cursor.fetchall()
+ # make result a list and add local video path if exists
+ result = [videopath] + list(result)
+
+ # iterate through result set
+ for sg in result:
+ if doesFileExist(os.path.join("".join(sg), filename)) == True:
+ filepath = "".join(sg)
+ write("Video Path: %s" % filepath)
+ return (filepath)
+ break
+
+ db.close()
+ del db
+ del cursor
+
+
+#############################################################
# Pre-process a single video/recording file
def preProcessFile(file, folder, count):
@@ -1775,11 +1807,11 @@
#3. Extract a single frame from the video to use as a thumbnail and resolution check
mediafile=""
- if file.attributes["type"].value == "recording":
+ if file.attributes["type"].value=="recording":
mediafile = file.attributes["filename"].value
- elif file.attributes["type"].value == "video":
- mediafile = os.path.join(videopath, file.attributes["filename"].value)
- elif file.attributes["type"].value == "file":
+ elif file.attributes["type"].value=="video":
+ mediafile = os.path.join(getVideoPath(file.attributes["filename"].value), file.attributes["filename"].value)
+ elif file.attributes["type"].value=="file":
mediafile = file.attributes["filename"].value
else:
fatalError("Unknown type of video file it must be 'recording', 'video' or 'file'.")
@@ -1935,9 +1967,39 @@
if result <> 0:
fatalError("Failed while running mytharchivehelper to get stream information from %s" % filename)
+
+ #open the XML containing information about this file
+ infoDOM = xml.dom.minidom.parse(xmlFilename)
+
+ #error out if its the wrong XML
+ if infoDOM.documentElement.tagName != "file":
+ fatalError("This info file doesn't look right (%s)." % xmlFilename)
+
+ file = infoDOM.getElementsByTagName("file")[0]
+ video = infoDOM.getElementsByTagName("file")[0].getElementsByTagName("streams")[0].getElementsByTagName("video")[0]
+
+ #use ffmpeg to get display aspect ratio (DAR) of video
+ cmd = path_ffmpeg[0] + " -i " + quoteFilename(file.attributes["filename"].value) + " 2>&1"
+ aspect_ratio = Popen(cmd, shell=True, stdout=PIPE).stdout.read()
+ if "DAR" in aspect_ratio:
+ #clean DAR string
+ aspect_ratio = aspect_ratio.split("DAR ")[-1].split(",")[0]
+ aspect_ratio = ''.join([c for c in aspect_ratio if c in '1234567890:']).split(":")
+ else:
+ #calculate aspect from video size
+ aspect_ratio = getVideoSize(xmlFilename)
+
+ #convert to decimal
+ aspect_ratio = float(aspect_ratio[0]) / float(aspect_ratio[1])
+
+ write("Video %s aspect ratio is: %s" % (filename, aspect_ratio))
+
+ #set aspect ratio
+ video.setAttribute("aspectratio",str(aspect_ratio))
+
+ WriteXMLToFile (infoDOM,xmlFilename)
# print out the streaminfo.xml file to the log
- infoDOM = xml.dom.minidom.parse(xmlFilename)
write("streaminfo.xml :-\n" + infoDOM.toprettyxml(" ", ""), False)
#############################################################
@@ -2322,7 +2384,7 @@
#############################################################
# Re-encodes a file to mpeg2
-def encodeVideoToMPEG2(source, destvideofile, video, audio1, audio2, aspectratio, profile):
+def encodeVideoToMPEG2(source, destvideofile, video, folder, audio1, audio2, aspectratio, profile):
"""Encodes an unknown video source file eg. AVI to MPEG2 video and AC3 audio, use ffmpeg"""
profileNode = findEncodingProfile(profile)
@@ -2347,6 +2409,18 @@
value = quoteFilename(destvideofile)
if value == "%aspect":
value = aspectratio
+ if value == "720x480" or value == "720x576":
+ #add padding to correct for aspects > than 1.9:1
+ videores, fps, videoAR = getVideoParams(folder)
+ if float(videoAR) >= 1.9:
+ if videomode == "ntsc":
+ videoheight = 480
+ else:
+ videoheight = 576
+
+ croppixels = videoheight - (720 / float(videoAR))
+ write("CropPixels Total: %s" % croppixels)
+ value = "720x%d -vf pad=720:%d:0:%d:black" % (videoheight - croppixels, videoheight, croppixels / 2)
# only re-encode the audio if it is not already in AC3 format
if audio1[AUDIO_CODEC] == "AC3":
@@ -2383,12 +2457,12 @@
command += " -newaudio"
#make sure we get the correct stream(s) that we want
- command += " -map 0:%d -map 0:%d " % (video[VIDEO_INDEX], audio1[AUDIO_INDEX])
+ command += " -map 0:%d -map 0:%d" % (video[VIDEO_INDEX], audio1[AUDIO_INDEX])
if audio2[AUDIO_ID] != -1:
command += "-map 0:%d" % (audio2[AUDIO_INDEX])
if passes == 1:
- write(command)
+ write("Running ffmpeg: %s" % command)
result = runCommand(command)
if result!=0:
fatalError("Failed while running ffmpeg to re-encode video.\n"
@@ -2399,7 +2473,7 @@
pass1 = string.replace(command, "%passno","1")
pass1 = string.replace(pass1, "%passlogfile", passLog)
- write("Pass 1 - " + pass1)
+ write("Running ffmpeg Pass 1: %s" % pass1)
result = runCommand(pass1)
if result!=0:
@@ -2411,7 +2485,7 @@
pass2 = string.replace(command, "%passno","2")
pass2 = string.replace(pass2, "%passlogfile", passLog)
- write("Pass 2 - " + pass2)
+ write("Running ffmpeg Pass 2: %s" % pass2)
result = runCommand(pass2)
if result!=0:
@@ -2443,10 +2517,6 @@
outaudiosamplerate = 48000
outaudiocodec = "ac3"
deinterlace = 0
- croptop = 0
- cropright = 0
- cropbottom = 0
- cropleft = 0
qmin = 5
qmax = 31
qdiff = 31
@@ -2470,14 +2540,6 @@
outvideores = value
if name == "-deinterlace":
deinterlace = 1
- if name == "-croptop":
- croptop = value
- if name == "-cropright":
- cropright = value
- if name == "-cropbottom":
- cropbottom = value
- if name == "-cropleft":
- cropleft = value
if name == "-qmin":
qmin = value
if name == "-qmax":
@@ -2526,7 +2588,6 @@
command += "-aspect %s -r %s " % (aspectratio, fps)
if (deinterlace == 1):
command += "-deinterlace "
- command += "-croptop %s -cropright %s -cropbottom %s -cropleft %s " % (croptop, cropright, cropbottom, cropleft)
command += "-s %s -b %s -vcodec mpeg2video " % (outvideores, outvideobitrate)
command += "-qmin %s -qmax %s -qdiff %s " % (qmin, qmax, qdiff)
command += "-ab %s -ar %s -acodec %s " % (outaudiobitrate, outaudiosamplerate, outaudiocodec)
@@ -2543,7 +2604,7 @@
if (not(doesFileExist(os.path.join(folder, "audout")) and doesFileExist(os.path.join(folder, "vidout")))):
fatalError("Waited too long for mythtranscode to create the fifos - giving up!!")
- write("Running ffmpeg")
+ write("Running ffmpeg: %s" % command)
result = runCommand(command)
if result != 0:
os.kill(PID, signal.SIGKILL)
@@ -4724,7 +4785,7 @@
elif file.attributes["type"].value=="recording":
mediafile = file.attributes["filename"].value
elif file.attributes["type"].value=="video":
- mediafile=os.path.join(videopath, file.attributes["filename"].value)
+ mediafile = os.path.join(getVideoPath(file.attributes["filename"].value), file.attributes["filename"].value)
elif file.attributes["type"].value=="file":
mediafile=file.attributes["filename"].value
else:
@@ -4834,8 +4895,7 @@
starttime = -1
usecutlist = -1
- encodeNuvToMPEG2(chanid, starttime, mediafile, os.path.join(folder, "newfile2.mpg"), folder,
- profile, usecutlist)
+ encodeNuvToMPEG2(chanid, starttime, mediafile, os.path.join(folder, "newfile2.mpg"), folder, profile, usecutlist)
mediafile = os.path.join(folder, 'newfile2.mpg')
else:
#we need to re-encode the file, make sure we get the right video/audio streams
@@ -4861,8 +4921,7 @@
profile = defaultEncodingProfile
#do the re-encode
- encodeVideoToMPEG2(mediafile, os.path.join(folder, "newfile2.mpg"), video,
- audio1, audio2, aspectratio, profile)
+ encodeVideoToMPEG2(mediafile, os.path.join(folder, "newfile2.mpg"), video, folder, audio1, audio2, aspectratio, profile)
mediafile = os.path.join(folder, 'newfile2.mpg')
#remove the old mediafile that was run through mythtranscode
@@ -4936,7 +4995,7 @@
elif file.attributes["type"].value=="recording":
mediafile = file.attributes["filename"].value
elif file.attributes["type"].value=="video":
- mediafile=os.path.join(videopath, file.attributes["filename"].value)
+ mediafile = os.path.join(getVideoPath(file.attributes["filename"].value), file.attributes["filename"].value)
elif file.attributes["type"].value=="file":
mediafile=file.attributes["filename"].value
else:
@@ -4988,8 +5047,7 @@
starttime = -1
usecutlist = -1
- encodeNuvToMPEG2(chanid, starttime, mediafile, os.path.join(folder, "newfile2.mpg"), folder,
- profile, usecutlist)
+ encodeNuvToMPEG2(chanid, starttime, mediafile, os.path.join(folder, "newfile2.mpg"), folder, profile, usecutlist)
mediafile = os.path.join(folder, 'newfile2.mpg')
else:
#we need to re-encode the file, make sure we get the right video/audio streams
@@ -5015,8 +5073,7 @@
profile = defaultEncodingProfile
#do the re-encode
- encodeVideoToMPEG2(mediafile, os.path.join(folder, "newfile2.mpg"), video,
- audio1, audio2, aspectratio, profile)
+ encodeVideoToMPEG2(mediafile, os.path.join(folder, "newfile2.mpg"), video, folder, audio1, audio2, aspectratio, profile)
mediafile = os.path.join(folder, 'newfile2.mpg')
#remove an intermediate file
|
