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webrtcbin: add a specific find_transceiver_by_mid function

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1664>
This commit is contained in:
Matthew Waters 2021-07-21 14:14:30 +10:00 committed by GStreamer Marge Bot
parent 79d58200c9
commit 533d4937fe
1 changed files with 17 additions and 7 deletions
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24
subprojects/gst-plugins-bad/ext/webrtc/gstwebrtcbin.c
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@ -610,7 +610,7 @@ _find_transceiver (GstWebRTCBin * webrtc, gconstpointer data,
} }
static gboolean static gboolean
match_for_mid (GstWebRTCRTPTransceiver * trans, const gchar * mid) transceiver_match_for_mid (GstWebRTCRTPTransceiver * trans, const gchar * mid)
{ {
return g_strcmp0 (trans->mid, mid) == 0; return g_strcmp0 (trans->mid, mid) == 0;
} }
@ -639,6 +639,20 @@ _find_transceiver_for_mline (GstWebRTCBin * webrtc, guint mlineindex)
return trans; return trans;
} }
static GstWebRTCRTPTransceiver *
_find_transceiver_for_mid (GstWebRTCBin * webrtc, const char *mid)
{
GstWebRTCRTPTransceiver *trans;
trans = _find_transceiver (webrtc, mid,
(FindTransceiverFunc) transceiver_match_for_mid);
GST_TRACE_OBJECT (webrtc, "Found transceiver %" GST_PTR_FORMAT " for "
"mid %s", trans, mid);
return trans;
}
typedef gboolean (*FindTransportFunc) (TransportStream * p1, typedef gboolean (*FindTransportFunc) (TransportStream * p1,
gconstpointer data); gconstpointer data);
@ -4022,9 +4036,7 @@ _create_answer_task (GstWebRTCBin * webrtc, const GstStructure * options,
offer_caps = _rtp_caps_from_media (offer_media); offer_caps = _rtp_caps_from_media (offer_media);
if (last_answer && i < gst_sdp_message_medias_len (last_answer) if (last_answer && i < gst_sdp_message_medias_len (last_answer)
&& (rtp_trans = && (rtp_trans = _find_transceiver_for_mid (webrtc, mid))) {
_find_transceiver (webrtc, mid,
(FindTransceiverFunc) match_for_mid))) {
const GstSDPMedia *last_media = const GstSDPMedia *last_media =
gst_sdp_message_get_media (last_answer, i); gst_sdp_message_get_media (last_answer, i);
const gchar *last_mid = const gchar *last_mid =
@ -4436,9 +4448,7 @@ _find_transceiver_for_sdp_media (GstWebRTCBin * webrtc,
const GstSDPAttribute *attr = gst_sdp_media_get_attribute (media, i); const GstSDPAttribute *attr = gst_sdp_media_get_attribute (media, i);
if (g_strcmp0 (attr->key, "mid") == 0) { if (g_strcmp0 (attr->key, "mid") == 0) {
if ((ret = if ((ret = _find_transceiver_for_mid (webrtc, attr->value)))
_find_transceiver (webrtc, attr->value,
(FindTransceiverFunc) match_for_mid)))
goto out; goto out;
} }
} }