def __init__(self,rate=44100,channels=2,fps=30):
try:
self.ao=oss.open_audio()
except:
self.ao=oss.open('w')
if (hasattr(self.ao,'stereo')):
self.ao.stereo(1)
self.ao.speed(rate)
if (hasattr(self.ao,'format')):
self.ao.format(oss.AFMT_S16_LE)
else:
self.ao.setfmt(oss.AFMT_S16_LE)
self.ao.channels(channels)
## open an audio video file vf=sys.argv[1] #vf="/home/tranx/conan1.flv" mp.open(vf,TS_VIDEO_RGB24) tracks=mp.get_tracks() ## connect video and audio to their respective device ld=LazyDisplayQt() tracks[0].set_observer(ld.f) ao=oss.open_audio() ao.stereo(1) ao.speed(tracks[1].get_samplerate()) ao.format(oss.AFMT_S16_LE) tracks[1].set_observer(lambda x:ao.write(x[0].data)) tracks[0].seek_to_seconds(10) ao.channels(tracks[1].get_channels()) ## play the movie ! mp.run() ########NEW FILE######## __FILENAME__ = seek_test # -*- coding: utf-8 -*-
def display(cls,elr):
global with_oss
if (not cls.ld):
cls.ld=LazyDisplay()
tracks=None
if (hasattr(elr,"tracks")):
tracks=elr.tracks
rreader=elr
elif (hasattr(elr,"vr")):
if (hasattr(elr.vr,"tracks")):
tracks=elr.vr.tracks
rreader=elr.vr
elif (hasattr(elr,"reader")):
if (hasattr(elr.reader,"tracks")):
tracks=elr.reader.tracks
rreader=elr.reader
else:
pass
if (tracks==None):
sys.stderr.write("don't know how to get sound track info\n")
raise Exception, "don't know how to get sound track info"
rate=tracks[1].get_samplerate()
channels=tracks[1].get_channels()
fps=tracks[0].get_fps()
print rate,channels,fps
if not with_oss:
ap=AlsaSoundLazyPlayer(rate,channels,fps)
else:
try:
ao=oss.open_audio()
except:
ao=oss.open('w')
if (hasattr(ao,'stereo')):
ao.stereo(1)
ao.speed(rate)
if (hasattr(ao,'format')):
ao.format(oss.AFMT_S16_LE)
else:
ao.setfmt(oss.AFMT_S16_LE)
ao.channels(channels)
print tracks
class D:
def __init__(self):
self.ctr=0
def on_event(self,x):
global with_oss
x=rreader.get_current_frame()
if (self.ctr%4==0):
cls.ld.f(x[0][2])
#print x[1].shape
if with_oss:
ao.write(x[1].data)
else:
#print "push"
ap.push((x[1],0))
#print "/push"
self.ctr+=1
#elr.set_observer(lambda x:(cls.ld.f(x[0]),ap.push(x[1])))
elr.set_observer(D().on_event)
try:
elr.run()
except Exception,e:
sys.stderr.write("WARNING: error during playback...\n"+str(e)+"\n")
pass
