def getIndexFileSuffix(flightName, sourceShortName, segmentNumber):
""" get path to video for PLRP """
if flightName.endswith(sourceShortName):
return '%s/prog_index.m3u8' % getSegmentPath(flightName, None,
segmentNumber)
else:
return '%s/prog_index.m3u8' % getSegmentPath(
flightName, sourceShortName, segmentNumber)
def adjustSegmentTimes(self, force=False):
""" Read through the ts files in this segment's directory
and calculate end time.
This is used when restarting video because it died.
"""
if force or not self.endTime:
dir = os.path.join(settings.RECORDED_VIDEO_DIR_BASE, util.getSegmentPath(self.episode.shortName, self.source.name, self.segNumber))
videoChunks = glob("%s/*.ts" % dir)
videoChunks = sorted(videoChunks, key = lambda chunk: int(re.sub(".+prog_index-(\d+).ts", "\\1", chunk)))
if len(videoChunks) > 0:
(mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime) = os.stat(videoChunks[0])
try:
index = m3u8.load('%s/%s' % (dir, self.indexFileName))
m3u8segment = index.segments[0]
duration = m3u8segment.duration
except:
print "NO INDEX.M3U8 FILE for segment %s %d" % (self.episode.shortName, self.segNumber)
recordingUtil.stopRecordingAndCleanSegments(self.source, videoChunks)
return (None, None)
startTime = mtime - duration
startDT = datetime.fromtimestamp(startTime, pytz.utc)
(mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime) = os.stat(videoChunks[-1])
endTime = mtime
endDT = datetime.fromtimestamp(endTime, pytz.utc)
print "Segment: Start: %s End: %s" % (startDT, endDT)
self.startTime = startDT
self.endTime = endDT
self.save()
return (self.startTime, self.endTime)
def adjustSegmentTimes(self, force=False):
""" Read through the ts files in this segment's directory
and calculate end time.
This is used when restarting video because it died.
"""
if force or not self.endTime:
dir = os.path.join(settings.RECORDED_VIDEO_DIR_BASE, util.getSegmentPath(self.episode.shortName, self.source.name, self.segNumber))
videoChunks = glob("%s/*.ts" % dir)
videoChunks = sorted(videoChunks, key = lambda chunk: int(re.sub(".+prog_index-(\d+).ts", "\\1", chunk)))
if len(videoChunks) > 0:
(mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime) = os.stat(videoChunks[0])
try:
index = m3u8.load('%s/%s' % (dir, self.indexFileName))
m3u8segment = index.segments[0]
duration = m3u8segment.duration
except:
print "NO INDEX.M3U8 FILE for segment %s %d" % (self.episode.shortName, self.segNumber)
recordingUtil.stopRecordingAndCleanSegments(self.source, videoChunks)
return (None, None)
startTime = mtime - duration
startDT = datetime.fromtimestamp(startTime, pytz.utc)
(mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime) = os.stat(videoChunks[-1])
endTime = mtime
endDT = datetime.fromtimestamp(endTime, pytz.utc)
print "Segment: Start: %s End: %s" % (startDT, endDT)
self.startTime = startDT
self.endTime = endDT
self.save()
return (self.startTime, self.endTime)
def getActiveFlightLatestSegmentIndexFilePath():
"""
Get the latest .m3u8 file for the active flight.
"""
latestSegment = getActiveFlightLatestSegment()
latestSegNumber = latestSegment.segNumber
activeFlight = BasaltActiveFlight.objects.all()[0]
indexFilePath = getSegmentPath(activeFlight.flight.name, "", latestSegNumber)
return indexFilePath