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examples/gstfile.py: Update gstfile example so that... it works :)

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Original commit message from CVS:
* examples/gstfile.py:
Update gstfile example so that... it works :)
This commit is contained in:
Edward Hervey 2005-09-29 14:06:26 +00:00
parent fc520c8a72
commit 6e384e2e97
2 changed files with 30 additions and 19 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2005-09-29 Edward Hervey <edward@fluendo.com>
* examples/gstfile.py:
Update gstfile example so that... it works :)
2005-09-29 Edward Hervey <edward@fluendo.com>
* gst/gst.defs:

44
examples/gstfile.py
View file

@ -116,6 +116,7 @@ class Discoverer(gst.Pipeline):
"""iterate on ourself to find the information on the given file"""
if self.finished:
return
self.info("setting to PLAY")
if not self.set_state(gst.STATE_PLAYING):
# the pipeline wasn't able to be set to playing
self.finished = True
@ -123,34 +124,35 @@ class Discoverer(gst.Pipeline):
bus = self.get_bus()
while 1:
if self.finished:
#print "self.finished, stopping"
self.debug("self.finished, stopping")
break
msg = bus.poll(gst.MESSAGE_ANY, gst.SECOND)
if msg:
msg = bus.pop()
else:
continue
if not msg:
print "got empty message..."
break
#print "##", msg.type
if msg.type & gst.MESSAGE_STATE_CHANGED:
#print "state changed", msg.src.get_name()
#print "## state changed\t", msg.src.get_name() ,
#print msg.parse_state_changed()
pass
elif msg.type & gst.MESSAGE_EOS:
#print "EOS"
break
elif msg.type & gst.MESSAGE_TAG:
for key in msg.parse_tag().keys():
self.tags[key] = msg.structure[key]
print msg.structure.to_string()
#print msg.structure.to_string()
elif msg.type & gst.MESSAGE_ERROR:
print "whooops, error"
print "whooops, error", msg.parse_error()
break
else:
print "unknown message type"
print "going to PAUSED"
#self.set_state(gst.STATE_PAUSED)
print "going to ready"
#self.set_state(gst.STATE_READY)
print "now in ready"
# self.info( "going to PAUSED")
self.set_state(gst.STATE_PAUSED)
# self.info("going to ready")
self.set_state(gst.STATE_READY)
# print "now in ready"
self.finished = True
def print_info(self):
@ -205,7 +207,7 @@ class Discoverer(gst.Pipeline):
def _notify_caps_cb(self, pad, args):
caps = pad.get_negotiated_caps()
print "caps notify on", pad, ":", caps
# print "caps notify on", pad, ":", caps
if not caps:
return
# the caps are fixed
@ -246,7 +248,7 @@ class Discoverer(gst.Pipeline):
def _new_decoded_pad_cb(self, dbin, pad, is_last):
# Does the file contain got audio or video ?
caps = pad.get_caps()
print "new decoded pad", caps.to_string()
# print "new decoded pad", caps.to_string()
if "audio" in caps.to_string():
self.is_audio = True
if caps.is_fixed():
@ -267,13 +269,17 @@ class Discoverer(gst.Pipeline):
return
# we connect a fakesink to the new pad...
fakesink = gst.element_factory_make("fakesink")
self.add(fakesink)
queue = gst.element_factory_make("queue")
self.add_many(fakesink, queue)
queue.link(fakesink)
sinkpad = fakesink.get_pad("sink")
queuepad = queue.get_pad("sink")
# ... and connect a callback for when the caps are fixed
sinkpad.connect("notify::caps", self._notify_caps_cb)
if pad.link(sinkpad):
print "##### Couldn't link pad to fakesink"
#fakesink.set_state(gst.STATE_PLAYING)
if pad.link(queuepad):
print "##### Couldn't link pad to queue"
queue.set_state(gst.STATE_PLAYING)
fakesink.set_state(gst.STATE_PLAYING)
def _found_tag_cb(self, dbin, source, tags):
self.tags.update(tags)