webrtc: Fix signals documentation

Some GIR annotations were incorrect or even missing. The former isn't
good for bindings, while the latter is especially annoying for signal
handlers, as that means your arguments will get the wrong names in the
rendered documentation.

diff --git a/ext/webrtc/gstwebrtcbin.c b/ext/webrtc/gstwebrtcbin.c
index cb3504c..a4a8909 100644 (file)
--- a/ext/webrtc/gstwebrtcbin.c
+++ b/ext/webrtc/gstwebrtcbin.c
@@ -5082,7 +5082,7 @@ gst_webrtc_bin_class_init (GstWebRTCBinClass * klass)
    * GstWebRTCBin::set-local-description:
    * @object: the #GstWebRtcBin
    * @desc: a #GstWebRTCSessionDescription description
-   * @promise (allow-none): a #GstPromise to be notified when it's set
+   * @promise: (nullable): a #GstPromise to be notified when it's set
    */
   gst_webrtc_bin_signals[SET_LOCAL_DESCRIPTION_SIGNAL] =
       g_signal_new_class_handler ("set-local-description",
@@ -5095,7 +5095,7 @@ gst_webrtc_bin_class_init (GstWebRTCBinClass * klass)
    * GstWebRTCBin::set-remote-description:
    * @object: the #GstWebRtcBin
    * @desc: a #GstWebRTCSessionDescription description
-   * @promise (allow-none): a #GstPromise to be notified when it's set
+   * @promise: (nullable): a #GstPromise to be notified when it's set
    */
   gst_webrtc_bin_signals[SET_REMOTE_DESCRIPTION_SIGNAL] =
       g_signal_new_class_handler ("set-remote-description",
@@ -5107,6 +5107,7 @@ gst_webrtc_bin_class_init (GstWebRTCBinClass * klass)
   /**
    * GstWebRTCBin::add-ice-candidate:
    * @object: the #GstWebRtcBin
+   * @mline_index: the index of the media description in the SDP
    * @ice-candidate: an ice candidate
    */
   gst_webrtc_bin_signals[ADD_ICE_CANDIDATE_SIGNAL] =
@@ -5118,6 +5119,7 @@ gst_webrtc_bin_class_init (GstWebRTCBinClass * klass)
   /**
    * GstWebRTCBin::get-stats:
    * @object: the #GstWebRtcBin
+   * @pad: (nullable): A #GstPad to get the stats for, or %NULL for all
    * @promise: a #GstPromise for the result
    *
    * The @promise will contain the result of retrieving the session statistics.
@@ -5203,6 +5205,7 @@ gst_webrtc_bin_class_init (GstWebRTCBinClass * klass)
   /**
    * GstWebRTCBin::on-ice-candidate:
    * @object: the #GstWebRtcBin
+   * @mline_index: the index of the media description in the SDP
    * @candidate: the ICE candidate
    */
   gst_webrtc_bin_signals[ON_ICE_CANDIDATE_SIGNAL] =
@@ -5303,7 +5306,7 @@ gst_webrtc_bin_class_init (GstWebRTCBinClass * klass)
    *  id                    G_TYPE_INT            Override the default identifier selection of this channel
    *  priority              GST_TYPE_WEBRTC_PRIORITY_TYPE   The priority to use for this channel
    *
-   * Returns: a new data channel object
+   * Returns: (transfer full): a new data channel object
    */
   gst_webrtc_bin_signals[CREATE_DATA_CHANNEL_SIGNAL] =
       g_signal_new_class_handler ("create-data-channel",