Need some clarifications regarding capsfilter

[Yogesh Marwaha]

Hi,

I'm using a bin (in the format- visualisation_element ! videoscale !
videoconvert ! capsfilter) to set visualisation in playbin - Purpose is to
enforce a particular window size (atm i'm settings caps like -
gst_caps_new_simple ("video/x-raw", "width", G_TYPE_INT, 640, "height",
G_TYPE_INT, 480, NULL))

The problem is that when I switch to "monoscope" visualisation, gstreamer
flags "General stream error". I see the following in the output: -
baseparse gstbaseparse.c:3008:gst_base_parse_loop:<mpegaudioparse0>
error: streaming stopped, reason not-negotiated

Though if "monoscope" visualisation is set before starting the playback and
video sink is xvimagesink, everything goes fine.

What I may be doing wrong? Relevant section of code (just 18 lines) is
attached. I'm on gsteramer 1.0 (I've just ported my app from gstreamer 0.10).


Regards,

Yogesh M

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