[PATCH spice-server 10/15] Factor out dcc_attach_stream()

[Jonathon Jongsma <jjongsma@xxxxxxxxxx>]

Separate the channel code from the channel client code and move the
latter into a new function.

Signed-off-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>
---
 server/dcc.c    | 23 +++++++++++++++++++++++
 server/dcc.h    |  1 +
 server/stream.c | 20 +-------------------
 3 files changed, 25 insertions(+), 19 deletions(-)

diff --git a/server/dcc.c b/server/dcc.c
index 13166645c..226665ee2 100644
--- a/server/dcc.c
+++ b/server/dcc.c
@@ -1786,3 +1786,26 @@ void dcc_stream_stop(DisplayChannelClient *dcc, int stream_id)
     red_channel_client_pipe_add(RED_CHANNEL_CLIENT(dcc), stream_destroy_item_new(stream_agent));
     stream_agent_stats_print(stream_agent);
 }
+
+void dcc_attach_stream(DisplayChannelClient *dcc, Drawable *drawable, int stream_id)
+{
+    StreamAgent *agent;
+    QRegion clip_in_draw_dest;
+
+    agent = dcc_get_stream_agent(dcc, stream_id);
+    region_or(&agent->vis_region, &drawable->tree_item.base.rgn);
+
+    region_init(&clip_in_draw_dest);
+    region_add(&clip_in_draw_dest, &drawable->red_drawable->bbox);
+    region_and(&clip_in_draw_dest, &agent->clip);
+
+    if (!region_is_equal(&clip_in_draw_dest, &drawable->tree_item.base.rgn)) {
+        region_remove(&agent->clip, &drawable->red_drawable->bbox);
+        region_or(&agent->clip, &drawable->tree_item.base.rgn);
+        dcc_stream_agent_clip(dcc, agent);
+    }
+    region_destroy(&clip_in_draw_dest);
+#ifdef STREAM_STATS
+    agent->stats.num_input_frames++;
+#endif
+}
diff --git a/server/dcc.h b/server/dcc.h
index 5fb61a605..8e1da936e 100644
--- a/server/dcc.h
+++ b/server/dcc.h
@@ -204,6 +204,7 @@ gboolean dcc_is_low_bandwidth(DisplayChannelClient *dcc);
 GArray *dcc_get_preferred_video_codecs_for_encoding(DisplayChannelClient *dcc);
 void dcc_update_streams_max_latency(DisplayChannelClient *dcc, StreamAgent *remove_agent);
 void dcc_stream_stop(DisplayChannelClient *dcc, int stream_id);
+void dcc_attach_stream(DisplayChannelClient *dcc, Drawable *drawable, int stream_id);
 
 typedef struct RedStreamClipItem {
     RedPipeItem base;
diff --git a/server/stream.c b/server/stream.c
index c3cdd6707..0e5da6468 100644
--- a/server/stream.c
+++ b/server/stream.c
@@ -199,25 +199,7 @@ static void attach_stream(DisplayChannel *display, Drawable *drawable, Stream *s
     }
 
     FOREACH_DCC(display, dcc) {
-        StreamAgent *agent;
-        QRegion clip_in_draw_dest;
-
-        agent = dcc_get_stream_agent(dcc, display_channel_get_stream_id(display, stream));
-        region_or(&agent->vis_region, &drawable->tree_item.base.rgn);
-
-        region_init(&clip_in_draw_dest);
-        region_add(&clip_in_draw_dest, &drawable->red_drawable->bbox);
-        region_and(&clip_in_draw_dest, &agent->clip);
-
-        if (!region_is_equal(&clip_in_draw_dest, &drawable->tree_item.base.rgn)) {
-            region_remove(&agent->clip, &drawable->red_drawable->bbox);
-            region_or(&agent->clip, &drawable->tree_item.base.rgn);
-            dcc_stream_agent_clip(dcc, agent);
-        }
-        region_destroy(&clip_in_draw_dest);
-#ifdef STREAM_STATS
-        agent->stats.num_input_frames++;
-#endif
+        dcc_attach_stream(dcc, drawable, display_channel_get_stream_id(display, stream));
     }
 }
 
-- 
2.13.6

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