def __init__(self, path=None):
if path:
self.path = os.path.abspath(path)
else:
name = 'live_segmenter.exe' if WIN32 else 'live_segmenter'
self.path = os.path.join(os.path.abspath(os.path.dirname(sys.argv[0])), name)
self.cmd_tmpl = string.Template(helper.shellquote(self.path)+" 10 $tmpDir $segmentPrefix mpegts $startSegment")
if not helper.validate_exec(self.path):
DISABLE_LIVE_TRANSCODE = True
print "Live transcode disabled. Could not find segmenter at path: "+self.path
def __init__(self, path=None):
if path:
self.path = os.path.abspath(path)
else:
name = 'ffmpeg.exe' if WIN32 else 'ffmpeg'
self.path = os.path.join(os.path.abspath(os.path.dirname(sys.argv[0])), name)
self.cmd_tmpl = string.Template(helper.shellquote(self.path)+" "
"-ss $startTime "
"-i \"$videoPath\" "
"-vcodec libx264 -r 23.976 "
"-b $bitrate -bt $bitrate -loglevel quiet "
"-vf \"crop=iw:ih:0:0,scale=$frameWidth:$frameHeight\" -aspect \"$frameWidth:$frameHeight\" "
"-acodec libmp3lame -ab 48k -ar 48000 -ac 2 -async 1 "
"-bufsize 1024k -threads 4 -preset fast -tune grain "
"-f mpegts - ")
if not helper.validate_exec(self.path):
DISABLE_LIVE_TRANSCODE = True
print "Live transcode disabled. Could not find ffmpeg at path: "+self.path
def call_ffmpeg(self, **kwargs):
self.killProcessing()
cmd = self.transcoder.ffmpeg.cmd_tmpl.substitute(
startTime=int(kwargs['start_segment'])*self.segment_duration,
videoPath=self.videoPath, # FIXME last change monday 9:04 aM
#duration=kwargs['num_segments']*self.segment_duration,
frameWidth=self.frame_size[0],
frameHeight=self.frame_size[1],
bitrate=int(kwargs['bitrate'])*1000,
)
segmenter_cmd = self.transcoder.segmenter.cmd_tmpl.substitute(
tmpDir=helper.shellquote(self.transcoder.tmp_dir), # and this ughhh shellex? or what nib
startSegment=kwargs['start_segment'],
segmentPrefix=self.md5+"-"+kwargs['bitrate'],
)
with open(os.devnull, 'w') as fp:
self.current_ffmpeg_process = subprocess.Popen(shlex.split(cmd), stdout=subprocess.PIPE, stderr=fp, startupinfo=helper.noCmd())
self.current_segmenter_process = subprocess.Popen(shlex.split(segmenter_cmd), stdin=self.current_ffmpeg_process.stdout, stdout=fp, stderr=fp, startupinfo=helper.noCmd())
