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webrtc: only add nack pli by default if kind is video

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Sending/receiving PLI's (Picture Loss Indication) for non-video doesn't
really make sense.  This also matches what the browsers do.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2220>
This commit is contained in:
Matthew Waters 2021-05-06 17:07:51 +10:00 committed by GStreamer Marge Bot
parent 1470660976
commit a78c907597
2 changed files with 4 additions and 2 deletions
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5
ext/webrtc/gstwebrtcbin.c
View file

@ -1573,6 +1573,7 @@ static GstCaps *
_add_supported_attributes_to_caps (GstWebRTCBin * webrtc,
WebRTCTransceiver * trans, const GstCaps * caps)
{
GstWebRTCKind kind;
GstCaps *ret;
guint i;
@ -1581,6 +1582,7 @@ _add_supported_attributes_to_caps (GstWebRTCBin * webrtc,
ret = gst_caps_make_writable (caps);
kind = webrtc_kind_from_caps (ret);
for (i = 0; i < gst_caps_get_size (ret); i++) {
GstStructure *s = gst_caps_get_structure (ret, i);
@ -1588,7 +1590,8 @@ _add_supported_attributes_to_caps (GstWebRTCBin * webrtc,
if (!gst_structure_has_field (s, "rtcp-fb-nack"))
gst_structure_set (s, "rtcp-fb-nack", G_TYPE_BOOLEAN, TRUE, NULL);
if (!gst_structure_has_field (s, "rtcp-fb-nack-pli"))
if (kind == GST_WEBRTC_KIND_VIDEO
&& !gst_structure_has_field (s, "rtcp-fb-nack-pli"))
gst_structure_set (s, "rtcp-fb-nack-pli", G_TYPE_BOOLEAN, TRUE, NULL);
if (!gst_structure_has_field (s, "rtcp-fb-transport-cc"))
gst_structure_set (s, "rtcp-fb-transport-cc", G_TYPE_BOOLEAN, TRUE, NULL);

1
ext/webrtc/utils.c
View file

@ -229,4 +229,3 @@ webrtc_kind_from_caps (const GstCaps * caps)
return GST_WEBRTC_KIND_UNKNOWN;
}