def handle_keyboard(source, cond, data):
str = source.readline()
x = str[0].lower()
if x == "p":
data.playing = not data.playing
data.pipeline.set_state(gst.STATE_PLAYING if data.playing else gst.STATE_PAUSED)
print("Setting state to {0}".format("PLAYING" if data.playing else "PAUSE"))
elif x == "s":
if str[0].isupper():
data.rate *= 2.0
else:
data.rate /= 2.0
send_seek_event(data)
elif x == "d":
data.rate *= -1.0
send_seek_event(data)
elif x == "n":
if not data.video_sink:
# If we have not done so, obtain the sink through which we will send the step events
data.video_sink = data.pipeline.get_property("video_sink")
data.video_sink.send_event(gst.event_new_step(gst.FORMAT_BUFFERS, 1, data.rate, True, False))
print("Stepping one frame")
elif x == "q":
data.loop.quit()
return True
def handle_keyboard(source, cond, data):
str = source.readline()
x = str[0].lower()
if (x == 'p'):
data.playing = not data.playing
data.pipeline.set_state(gst.STATE_PLAYING if data.playing else gst.STATE_PAUSED)
print ("Setting state to {0}".format("PLAYING" if data.playing else "PAUSE"))
elif (x == 's'):
if (str[0].isupper()):
data.rate *= 2.0
else:
data.rate /= 2.0
send_seek_event(data)
elif (x == 'd'):
data.rate *= -1.0
send_seek_event(data)
elif (x == 'n'):
cntf = 1
if (len(str) > 2):
cntf = int(str[1:len(str)-1])
if (not data.video_sink):
#If we have not done so, obtain the sink through which we will send the step events
data.video_sink = data.pipeline.get_property("video_sink")
isplaying = data.playing
if (data.playing):
data.pipeline.set_state(gst.STATE_PAUSED)
data.video_sink.send_event(gst.event_new_step(gst.FORMAT_BUFFERS, cntf, data.rate, True, False))
if (isplaying):
data.pipeline.set_state(gst.STATE_PLAYING)
print ("Stepping {0} frame{1}".format(
"one" if (cntf == 1) else cntf,
"" if (cntf == 1) else "s"))
elif (x == 'q'):
data.loop.quit()
return True
def handle_keyboard(source, cond, data):
str = source.readline()
x = str[0].lower()
if (x == 'p'):
data.playing = not data.playing
data.pipeline.set_state(
gst.STATE_PLAYING if data.playing else gst.STATE_PAUSED)
print("Setting state to {0}".format(
"PLAYING" if data.playing else "PAUSE"))
elif (x == 's'):
if (str[0].isupper()):
data.rate *= 2.0
else:
data.rate /= 2.0
send_seek_event(data)
elif (x == 'd'):
data.rate *= -1.0
send_seek_event(data)
elif (x == 'n'):
if (not data.video_sink):
#If we have not done so, obtain the sink through which we will send the step events
data.video_sink = data.pipeline.get_property("video_sink")
data.video_sink.send_event(
gst.event_new_step(gst.FORMAT_BUFFERS, 1, data.rate, True, False))
print("Stepping one frame")
elif (x == 'q'):
data.loop.quit()
return True
def step_video_forward(self):
if not self.is_video_loaded():
return
step_secs = 1 / self.current_framerate
step_nanosecs = int(step_secs * gst.SECOND)
# step = gst.event_new_step(gst.FORMAT_TIME, step_nanosecs, 1, True,False)
step = gst.event_new_step(gst.FORMAT_BUFFERS, 1, 1.0, True, False)
self.player.send_event(step)
