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import os
import sys
from common import gst, unittest, testhelper
class EventTest(unittest.TestCase):
def setUp(self):
pipeline = gst.parse_launch('fakesrc ! fakesink name=sink')
self.sink = pipeline.get_by_name('sink')
pipeline.set_state(gst.STATE_PLAYING)
def testEventEmpty(self):
event = gst.Event(gst.EVENT_EMPTY)
self.sink.send_event(event)
def testEventSeek(self):
event = gst.event_new_seek(gst.SEEK_METHOD_CUR, 0)
self.sink.send_event(event)
class EventFileSrcTest(unittest.TestCase):
filename = '/tmp/gst-python-test-file'
def setUp(self):
if os.path.exists(self.filename):
os.remove(self.filename)
open(self.filename, 'w').write(''.join(map(str, range(10))))
self.pipeline = gst.parse_launch('filesrc name=source location=%s blocksize=1 ! fakesink signal-handoffs=1 name=sink' % self.filename)
self.source = self.pipeline.get_by_name('source')
self.sink = self.pipeline.get_by_name('sink')
self.sink.connect('handoff', self.handoff_cb)
self.pipeline.set_state(gst.STATE_PLAYING)
def tearDown(self):
assert self.pipeline.set_state(gst.STATE_PLAYING)
if os.path.exists(self.filename):
os.remove(self.filename)
def handoff_cb(self, element, buffer, pad):
self.handoffs.append(str(buffer))
def playAndIter(self):
self.handoffs = []
assert self.pipeline.set_state(gst.STATE_PLAYING)
while self.pipeline.iterate():
pass
assert self.pipeline.set_state(gst.STATE_PAUSED)
handoffs = self.handoffs
self.handoffs = []
return handoffs
def sink_seek(self, offset, method=gst.SEEK_METHOD_SET):
method |= (gst.SEEK_FLAG_FLUSH | gst.FORMAT_BYTES)
self.source.send_event(gst.event_new_seek(method, offset))
self.source.send_event(gst.Event(gst.EVENT_FLUSH))
self.sink.send_event(gst.event_new_seek(method, offset))
self.sink.send_event(gst.Event(gst.EVENT_FLUSH))
def testSimple(self):
handoffs = self.playAndIter()
assert handoffs == map(str, range(10))
def testSeekCur(self):
self.sink_seek(8)
#print self.playAndIter()
class TestEmit(unittest.TestCase):
def testEmit(self):
object = testhelper.get_object()
object.connect('event', self._event_cb)
# First emit from C
testhelper.emit_event(object)
# Then emit from Python
object.emit('event', gst.Event(gst.EVENT_UNKNOWN))
def _event_cb(self, obj, event):
assert isinstance(event, gst.Event)
if __name__ == "__main__":
unittest.main()
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