From 2ea7325e39c0698ce585918d005642318ba8aefa Mon Sep 17 00:00:00 2001
From: Jakub Adam <jakub.adam@ktknet.cz>
Date: Sun, 7 Oct 2018 20:05:15 +0200
Subject: [PATCH] media: set stream media source id for video streams

---
 src/api/sipe-backend.h    | 1 +
 src/core/sipe-media.c     | 6 ++++++
 src/purple/purple-media.c | 8 +++++++-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/api/sipe-backend.h b/src/api/sipe-backend.h
index 2e69a56a0..d4577ec18 100644
--- a/src/api/sipe-backend.h
+++ b/src/api/sipe-backend.h
@@ -395,6 +395,7 @@ struct sipe_media_stream {
 	struct sipe_media_call *call;
 	gchar *id;
 	struct ssrc_range *ssrc_range;
+	guint32 media_source_id;
 
 	void (*candidate_pairs_established_cb)(struct sipe_media_stream *);
 	void (*read_cb)(struct sipe_media_stream *);
diff --git a/src/core/sipe-media.c b/src/core/sipe-media.c
index b9c7e3f45..61cf89674 100644
--- a/src/core/sipe-media.c
+++ b/src/core/sipe-media.c
@@ -847,6 +847,10 @@ update_call_from_remote_sdp(struct sipe_media_call_private* call_private,
 						 backend_candidates);
 	sipe_media_candidate_list_free(backend_candidates);
 
+	if (sipe_strequal(stream->id, "video") && call_private->conference_session) {
+		stream->media_source_id = call_private->conference_session->video_media_source_id;
+	}
+
 	SIPE_MEDIA_STREAM_PRIVATE->remote_candidates_and_codecs_set = TRUE;
 
 	return TRUE;
@@ -1424,6 +1428,8 @@ sipe_media_stream_add(struct sipe_media_call *call, const gchar *id,
 					    ssrc_count);
 	}
 
+	SIPE_MEDIA_STREAM->media_source_id = SIPE_MSRTP_VSR_SOURCE_ANY;
+
 	SIPE_MEDIA_STREAM->backend_private =
 			sipe_backend_media_add_stream(SIPE_MEDIA_STREAM,
 						      type, ice_version,
diff --git a/src/purple/purple-media.c b/src/purple/purple-media.c
index 4e4d53607..8f62fac97 100644
--- a/src/purple/purple-media.c
+++ b/src/purple/purple-media.c
@@ -591,12 +591,14 @@ on_sending_rtcp_cb(SIPE_UNUSED_PARAMETER GObject *rtpsession,
 	if (sipe_strequal(send_codec->encoding_name, "H264")) {
 		GstRTCPBuffer rtcp_buffer = GST_RTCP_BUFFER_INIT;
 		guint32 ssrc;
+		struct sipe_media_stream *stream;
 
 		g_object_get(fssession, "ssrc", &ssrc, NULL);
+		stream = g_object_get_data(G_OBJECT(fssession), "sipe-media-stream");
 
 		gst_rtcp_buffer_map(buffer, GST_MAP_READWRITE, &rtcp_buffer);
 		was_changed = write_ms_h264_video_source_request(&rtcp_buffer,
-				ssrc, send_codec->id, SIPE_MSRTP_VSR_SOURCE_ANY);
+				ssrc, send_codec->id, stream->media_source_id);
 		gst_rtcp_buffer_unmap(&rtcp_buffer);
 	}
 
@@ -777,6 +779,10 @@ gst_bus_cb(GstBus *bus, GstMessage *msg, struct sipe_media_stream *stream)
 				     stream->ssrc_range->begin, NULL);
 		}
 
+		g_object_set_data(G_OBJECT(fssession),
+				  "sipe-media-stream",
+				  stream);
+
 		g_object_get(fssession, "media-type", &media_type, NULL);
 
 		if (media_type == FS_MEDIA_TYPE_VIDEO) {