From: Sangchul Lee <sc11.lee@samsung.com>
Date: Thu, 30 Jul 2020 01:43:42 +0000 (+0900)
Subject: Add callback for "on-new-transceiver" on webrtcbin
X-Git-Tag: submit/tizen/20200812.043657~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8d29e47cfde60d9c01ca8e4f626f742f63233cbc;p=platform%2Fcore%2Fapi%2Fmediastreamer.git

Add callback for "on-new-transceiver" on webrtcbin

[Version] 0.1.105
[Issue Type] Improvement

Change-Id: Ib58c047cb420b79cb8eea220210562fc39581bf7
Signed-off-by: Sangchul Lee <sc11.lee@samsung.com>
---

diff --git a/include/media_streamer_gst_webrtc.h b/include/media_streamer_gst_webrtc.h
index 79c7c9d..e20e676 100644
--- a/include/media_streamer_gst_webrtc.h
+++ b/include/media_streamer_gst_webrtc.h
@@ -18,6 +18,10 @@
 #define __TIZEN_MEDIA_STREAMER_GST_WEBRTC_H__
 
 #include <gst/gst.h>
+#ifndef GST_USE_UNSTABLE_API
+#define GST_USE_UNSTABLE_API
+#include <gst/webrtc/webrtc.h>
+#endif
 
 #ifdef __cplusplus
 extern "C" {
@@ -36,6 +40,8 @@ void ms_webrtcbin_notify_ice_gathering_state_cb(GstElement *webrtcbin, GParamSpe
 
 void ms_webrtcbin_on_ice_candidate_cb(GstElement *webrtcbin, guint mlineindex, gchar *candidate, gpointer user_data);
 
+void ms_webrtcbin_on_new_transceiver_cb(GstElement *webrtcbin, GstWebRTCRTPTransceiver *transceiver, gpointer user_data);
+
 void ms_webrtcbin_on_negotiation_needed_cb(GstElement *webrtcbin, gpointer user_data);
 
 void ms_webrtcbin_notify_ice_connection_state_cb(GstElement *webrtcbin, GParamSpec * pspec, gpointer user_data);
diff --git a/packaging/capi-media-streamer.spec b/packaging/capi-media-streamer.spec
index 93456c4..97bf112 100644
--- a/packaging/capi-media-streamer.spec
+++ b/packaging/capi-media-streamer.spec
@@ -1,6 +1,6 @@
 Name:       capi-media-streamer
 Summary:    A Media Streamer API
-Version:    0.1.104
+Version:    0.1.105
 Release:    0
 Group:      Multimedia/API
 License:    Apache-2.0
diff --git a/src/media_streamer_gst_webrtc.c b/src/media_streamer_gst_webrtc.c
index 8509d4a..0e34ece 100644
--- a/src/media_streamer_gst_webrtc.c
+++ b/src/media_streamer_gst_webrtc.c
@@ -14,10 +14,6 @@
  * limitations under the License.
  */
 
-#ifndef GST_USE_UNSTABLE_API
-#define GST_USE_UNSTABLE_API
-#include <gst/webrtc/webrtc.h>
-#endif
 #include "media_streamer_util.h"
 #include "media_streamer_priv.h"
 #include "media_streamer_gst.h"
@@ -354,6 +350,15 @@ void ms_webrtcbin_on_ice_candidate_cb(GstElement *webrtcbin, guint mlineindex, g
 	g_free(ice_candidate_msg);
 }
 
+void ms_webrtcbin_on_new_transceiver_cb(GstElement *webrtcbin, GstWebRTCRTPTransceiver *transceiver, gpointer user_data)
+{
+	ms_retm_if(webrtcbin == NULL, "webrtcbin is NULL");
+	ms_retm_if(transceiver == NULL, "transceiver is NULL");
+
+	ms_info("new transceiver[%p, mline:%u, mid:%s, direction:%d] user_data[%p]",
+		transceiver, transceiver->mline, transceiver->mid, transceiver->direction, user_data);
+}
+
 void ms_webrtcbin_notify_ice_connection_state_cb(GstElement *webrtcbin, GParamSpec * pspec, gpointer user_data)
 {
 	GstWebRTCICEConnectionState ice_connection_state;
diff --git a/src/media_streamer_node.c b/src/media_streamer_node.c
index d39fa70..ca938d9 100644
--- a/src/media_streamer_node.c
+++ b/src/media_streamer_node.c
@@ -1859,11 +1859,6 @@ int ms_webrtc_node_prepare(media_streamer_s *ms_streamer, media_streamer_node_s
 		return MEDIA_STREAMER_ERROR_INVALID_OPERATION;
 	}
 
-	if ((ret = __ms_webrtc_prepare_ghost_sink_pad(node->gst_element, webrtcbin, _WEBRTC_AUDIO_CAPSFILTER)))
-		return ret;
-	if ((ret = __ms_webrtc_prepare_ghost_sink_pad(node->gst_element, webrtcbin, _WEBRTC_VIDEO_CAPSFILTER)))
-		return ret;
-
 	if (ms_webrtc_node_is_offerer(node, &is_offerer) != MEDIA_STREAMER_ERROR_NONE) {
 		ms_error("Failed to get peer type");
 		return MEDIA_STREAMER_ERROR_INVALID_OPERATION;
@@ -1873,9 +1868,15 @@ int ms_webrtc_node_prepare(media_streamer_s *ms_streamer, media_streamer_node_s
 		ms_signal_create(&node->sig_list, webrtcbin, "on-negotiation-needed", G_CALLBACK(ms_webrtcbin_on_negotiation_needed_cb), node);
 
 	ms_signal_create(&node->sig_list, webrtcbin, "on-ice-candidate", G_CALLBACK(ms_webrtcbin_on_ice_candidate_cb), node);
+	ms_signal_create(&node->sig_list, webrtcbin, "on-new-transceiver", G_CALLBACK(ms_webrtcbin_on_new_transceiver_cb), NULL);
 	ms_signal_create(&node->sig_list, webrtcbin, "notify::ice-gathering-state", G_CALLBACK(ms_webrtcbin_notify_ice_gathering_state_cb), NULL);
 	ms_signal_create(&node->sig_list, webrtcbin, "notify::ice-connection-state", G_CALLBACK(ms_webrtcbin_notify_ice_connection_state_cb), node);
 
+	if ((ret = __ms_webrtc_prepare_ghost_sink_pad(node->gst_element, webrtcbin, _WEBRTC_AUDIO_CAPSFILTER)))
+		return ret;
+	if ((ret = __ms_webrtc_prepare_ghost_sink_pad(node->gst_element, webrtcbin, _WEBRTC_VIDEO_CAPSFILTER)))
+		return ret;
+
 	if (ms_element_set_state(webrtcbin, GST_STATE_READY)) {
 		ms_error("Failed to set state to READY");
 		return MEDIA_STREAMER_ERROR_INVALID_OPERATION;