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webrtcbin: Limit sink query to sink pads

Browse source 
This allows the reception of streams that don't exactly match
the codec preferences. In particular, the ssrc in the codec preferences
is local sender SSRC, the other side is expected to send a different SSRC.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2632>
This commit is contained in:
Olivier Crête 2022-06-15 15:06:20 -04:00 committed by Tim-Philipp Müller
parent a602275e8d
commit 037beeb157
1 changed files with 4 additions and 2 deletions
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6
subprojects/gst-plugins-bad/ext/webrtc/gstwebrtcbin.c
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@ -488,8 +488,10 @@ gst_webrtc_bin_pad_new (const gchar * name, GstPadDirection direction)
direction, "template", template, NULL);
gst_object_unref (template);
gst_pad_set_event_function (GST_PAD (pad), gst_webrtcbin_sink_event);
gst_pad_set_query_function (GST_PAD (pad), gst_webrtcbin_sink_query);
if (direction == GST_PAD_SINK) {
gst_pad_set_event_function (GST_PAD (pad), gst_webrtcbin_sink_event);
gst_pad_set_query_function (GST_PAD (pad), gst_webrtcbin_sink_query);
}
gst_pad_add_probe (GST_PAD (pad), GST_PAD_PROBE_TYPE_BUFFER |
GST_PAD_PROBE_TYPE_BUFFER_LIST, webrtc_bin_pad_buffer_cb, NULL, NULL);