rtp stats in python

[Dirk Griffioen-2]

Hi,

The RTP C examples in plugins-good show how to extract statistics. To do
so, it uses functions like:

g_signal_emit_by_name
g_object_get
g_value_array_get_nth
g_value_get_object

I would like to do the same in Python, but I cannot find these functions
anywhere ...

Would it be possible at all?

Thanks in advance!

Best, Dirk





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[Florent THIERY-2]

Hi

> The RTP C examples in plugins-good show how to extract statistics.
> I would like to do the same in Python, but I cannot find these functions
> anywhere ...

The following should work:


import gst

host="127.0.0.1"
port=1234
p = "videotestsrc ! rtpvrawpay ! udpsink host=%s port=%s" %(host, port)

pipeline = gst.parse_launch(p)
udpsink = pipeline.get_by_name("udpsink0")

def print_stats():
    data = udpsink.emit("get_stats", host, port)
    stats = "bytes_sent: %s, packets_sent: %s, connect_time: %s"
%(data[0], data[1], data[2])
    print stats
    return True

import gobject
gobject.timeout_add_seconds(1, print_stats)

pipeline.set_state(gst.STATE_PLAYING)

import gtk
gtk.main()

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[Dirk Griffioen-2]

Hi Florent,

Thanks a lot for the example! It works fine.

One small question, I tried to find the documentation - but could not locate it: in python for example the signal is 'get_stats', but the C example has 'stats'.

Where could I find this described/explained? For instance for other interesting statistics (like jitter, latency ...).

That would be another great piece of help!

Regards, Dirk

Hi

  

The RTP C examples in plugins-good show how to extract statistics.
I would like to do the same in Python, but I cannot find these functions
anywhere ...
    

The following should work:


import gst

host="127.0.0.1"
port=1234
p = "videotestsrc ! rtpvrawpay ! udpsink host=%s port=%s" %(host, port)

pipeline = gst.parse_launch(p)
udpsink = pipeline.get_by_name("udpsink0")

def print_stats():
    data = udpsink.emit("get_stats", host, port)
    stats = "bytes_sent: %s, packets_sent: %s, connect_time: %s"
%(data[0], data[1], data[2])
    print stats
    return True

import gobject
gobject.timeout_add_seconds(1, print_stats)

pipeline.set_state(gst.STATE_PLAYING)

import gtk
gtk.main()

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