pmt-info callback not getting invoked
Yogesh Tyagi
yogesh.bit2006 at gmail.com
Fri Aug 30 05:45:15 PDT 2013
Hi,
Yes, it is a custom plugin. Here is the output of "gst-inspect mdtsdemux"
Factory Details:
Long name: Transport Stream Demultiplexer
Class: Demuxer
Description:
Author(s):
Rank: none (0)
Plugin Details:
Name: mdplugin
Description: GStreamer elements
Filename: /usr/lib/libgstmdplugin.so
Version: 0.10.22.1
License: BSD
Source module: gst-md
Binary package: GStreamer MD Elements
Origin URL:
GObject
+----GstObject
+----GstElement
+----MdGstElement
+----MdGstDemux
Pad Templates:
SRC template: 'src_index'
Availability: Sometimes
Capabilities:
application/x-md-index
SRC template: 'src_spts'
Availability: Sometimes
Capabilities:
video/mpegts
mpegversion: 2
systemstream: true
packetsize: [ 188, 192 ]
SRC template: 'src_aud'
Availability: Sometimes
Capabilities:
audio/mpeg
mpegversion: { 1, 2, 4 }
audio/x-lpcm
width: { 16, 20, 24 }
rate: { 48000, 96000 }
channels: [ 1, 8 ]
dynamic_range: [ 0, 255 ]
emphasis: { false, true }
mute: { false, true }
audio/x-ac3
audio/x-eac3
audio/x-dts
audio/x-private-ts-lpcm
SRC template: 'src_vid'
Availability: Sometimes
Capabilities:
video/mpeg
mpegversion: { 1, 2, 4 }
systemstream: false
video/x-h264
video/x-wmv
wmvversion: 3
format: WVC1
SINK template: 'sink'
Availability: Always
Capabilities:
video/mpeg
mpegversion: 2
systemstream: true
video/mpegts
mpegversion: 2
systemstream: true
packetsize: [ 188, 192 ]
Element Flags:
no flags set
Element Implementation:
Has change_state() function: md_demux_change_state
Element has no clocking capabilities.
Element has no indexing capabilities.
Element has no URI handling capabilities.
Pads:
SINK: 'sink'
Implementation:
Has chainfunc(): md_gst_element_sink_chain
Has custom eventfunc(): md_gst_element_sink_event
Has custom queryfunc(): gst_pad_query_default
Has custom iterintlinkfunc(): gst_pad_iterate_internal_links_default
Has setcapsfunc(): md_gst_demux_sinkpad_setcaps
Has acceptcapsfunc(): gst_pad_acceptcaps_default
Pad Template: 'sink'
Element Properties:
name : The name of the object
flags: readable, writable
String. Default: null Current: "mdgstdemux0"
use-buffering : Permits join multiple buffers to feed 32kb buffers
to device
flags: readable, writable
Boolean. Default: true Current: true
stream-time-offset : Specifies an offset in ns to apply on clock
synchronization.
flags: readable, writable
Unsigned Integer64. Range: 0 - 18446744073709551615
Default: 0 Current: 0
pids : The comma-separated list of PIDs to be demuxed.
Value may be base-10, or in 0xABC hex format.
flags: writable
String. Default: "-1" Write only
program : The program number to demux. If set along with
'pids', or auto=true, this will give the demux a hint as to which PMT to
process. Without pids, or auto=true, this will trigger conversion from
MPTS to SPTS. Value may be base-10, or in 0xABC hex format.
flags: writable
String. Default: "-1" Write only
auto : If true, demux will automatically play the default
Video and Audio streams
flags: writable
Boolean. Default: true Write only
pmt-info : GObject with properties containing information from
the TS PMT about the currently selected program and its streams
flags: Object of type "MDTsPmtInfo"
Element Signals:
"pad-added" : void user_function (GstElement* object,
GstPad* arg0,
gpointer user_data);
"pad-removed" : void user_function (GstElement* object,
GstPad* arg0,
gpointer user_data);
"no-more-pads" : void user_function (GstElement* object,
gpointer user_data);
(gst-inspect-0.10:3870): GLib-GObject-WARNING **: invalid unclassed pointer
in cast to `GstPad'
(gst-inspect-0.10:3870): GStreamer-CRITICAL **: gst_element_remove_pad:
assertion `GST_IS_PAD (pad)' failed
Thanks,
Yogesh
On Fri, Aug 30, 2013 at 6:00 PM, Robert Krakora <
rob.krakora at messagenetsystems.com> wrote:
> What is the output of "gst-inspect mdtsdemux". mdtsdemux is not in
> plugins good, bad or ugly. Is it a custom plugin or did you mean
> mpegtsdemux?
>
>
> On Fri, Aug 30, 2013 at 8:26 AM, Yogesh Tyagi <yogesh.bit2006 at gmail.com>wrote:
>
>> Hi,
>>
>> I am using following command line:
>> gst-launch filesrc location=mpeg2_333_mhz.ts ! mdtsdemux program-number=2
>> name=d ! q
>> ueue ! mpeg2_viddec ! queue max-size-buffers=3 ! vidpproc ! vidre
>> nd_sink d. ! queue ! audio_sink
>>
>> I am working on mdtsdemux demux plugin in which I have added get_propery
>> method to get pmt-info but I don't know how do I test my implementation.
>>
>> Thanks,
>> Yogesh
>>
>>
>> On Fri, Aug 30, 2013 at 5:44 PM, Robert Krakora <
>> rob.krakora at messagenetsystems.com> wrote:
>>
>>> Hi Yogesh,
>>>
>>> It would help if you included the gst-launch command line or a snippet
>>> of your source. At a minimum, at least tell us what plugins comprise your
>>> pipeline.
>>>
>>> Best Regards,
>>>
>>> Rob Krakora
>>>
>>>
>>> On Fri, Aug 30, 2013 at 8:09 AM, Yogesh Tyagi <yogesh.bit2006 at gmail.com>wrote:
>>>
>>>> Can somebody help me find answer to this query?
>>>> How can get_property method be explicitly invoked in gstreamer using
>>>> some tools like gst-launch?
>>>>
>>>> Thanks,
>>>> Yogesh
>>>>
>>>>
>>>> On Tue, Aug 27, 2013 at 5:35 PM, Yogesh Tyagi <yogesh.bit2006 at gmail.com
>>>> > wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I got to work on a gstreamer based test app which plays media from
>>>>> http source.In this application following callback has been registered to
>>>>> receive pmt information.
>>>>>
>>>>> g_signal_connect(G_OBJECT(demuxer), "notify::pmt-info", (GCallback)
>>>>> demuxer_notify_pmt_info, NULL);
>>>>>
>>>>> When I run this application I never see "demuxer_notify_pmt_info"
>>>>> method getting called.
>>>>> Can somebody please let me know when this callback function will be
>>>>> activated so that I can see the pmt info of the stream.
>>>>>
>>>>> Is there any way to invoke get_property methods of plugins like e.g
>>>>> set_property methods can be invoked with gst-launch when we pass
>>>>> "property-name=value" to gst-launch.
>>>>>
>>>>> Thanks,
>>>>> Yogesh
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> gstreamer-devel mailing list
>>>> gstreamer-devel at lists.freedesktop.org
>>>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>>
>>>>
>>>
>>>
>>> --
>>>
>>> Rob Krakora,
>>> Senior Software Engineer
>>>
>>> MessageNet Systems
>>> 101 E Carmel Dr, Suite 105
>>> Carmel, IN 46032
>>>
>>> MessageNetSystems.com<http://www.messagenetcommunicationsystems.com/?utm_source=email+signature&utm_medium=email&utm_campaign=email+signature+to+homepage>
>>> Rob.Krakora at MessageNetSystems.com <rob.krakora at messagenetsystems.com>
>>> P: 317.566.1677, 212
>>> F: 317.663.0808
>>>
>>> For the latest news, information, and blogs, please be sure to visit,
>>> follow, and like us...
>>>
>>>
>>> <http://www.messagenetcommunicationsystems.com/get-the-message-out-blog/?utm_source=email+signature&utm_medium=email&utm_campaign=gmail+signature+to+blog>
>>> <http://www.youtube.com/user/MessageNetConnection/feed> <http://www.linkedin.com/company/messagenet-systems>
>>> <http://twitter.com/MessageNet> <http://www.facebook.com/MessageNetsystems>
>>>
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>
>>>
>>
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
>>
>
>
> --
>
> Rob Krakora,
> Senior Software Engineer
>
> MessageNet Systems
> 101 E Carmel Dr, Suite 105
> Carmel, IN 46032
>
> MessageNetSystems.com<http://www.messagenetcommunicationsystems.com/?utm_source=email+signature&utm_medium=email&utm_campaign=email+signature+to+homepage>
> Rob.Krakora at MessageNetSystems.com <rob.krakora at messagenetsystems.com>
> P: 317.566.1677, 212
> F: 317.663.0808
>
> For the latest news, information, and blogs, please be sure to visit,
> follow, and like us...
>
>
> <http://www.messagenetcommunicationsystems.com/get-the-message-out-blog/?utm_source=email+signature&utm_medium=email&utm_campaign=gmail+signature+to+blog>
> <http://www.youtube.com/user/MessageNetConnection/feed> <http://www.linkedin.com/company/messagenet-systems>
> <http://twitter.com/MessageNet> <http://www.facebook.com/MessageNetsystems>
>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20130830/ff56155f/attachment-0001.html>
More information about the gstreamer-devel
mailing list