From a4c3e155285fc05a27cbc5bef9e10abcf69eb3d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20Cr=C3=AAte?= <olivier.crete@collabora.com>
Date: Mon, 8 Aug 2022 14:46:16 -0400
Subject: [PATCH] webrtcsdp: Don't require fingerprint in inactive media

Inactive m-lines don't need a fingerprint as they may not
have a connection.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5663>
---
 subprojects/gst-plugins-bad/ext/webrtc/webrtcsdp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/subprojects/gst-plugins-bad/ext/webrtc/webrtcsdp.c b/subprojects/gst-plugins-bad/ext/webrtc/webrtcsdp.c
index 769fdaa9be..221ac4eb9a 100644
--- a/subprojects/gst-plugins-bad/ext/webrtc/webrtcsdp.c
+++ b/subprojects/gst-plugins-bad/ext/webrtc/webrtcsdp.c
@@ -118,6 +118,12 @@ _check_sdp_crypto (SDPSource source, GstWebRTCSessionDescription * sdp,
     const GstSDPMedia *media = gst_sdp_message_get_media (sdp->sdp, i);
     const gchar *media_fingerprint =
         gst_sdp_media_get_attribute_val (media, "fingerprint");
+    GstWebRTCRTPTransceiverDirection direction =
+        _get_direction_from_media (media);
+
+    /* Skip inactive media */
+    if (direction == GST_WEBRTC_RTP_TRANSCEIVER_DIRECTION_INACTIVE)
+      continue;
 
     if (!IS_EMPTY_SDP_ATTRIBUTE (message_fingerprint)
         && !IS_EMPTY_SDP_ATTRIBUTE (media_fingerprint)) {