[PATCH spice-server] Do not compute stream_id more that necessary

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Reuse already computed value and avoid to compute in every
iterations.

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/dcc-send.c     | 4 ++--
 server/video-stream.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/server/dcc-send.c b/server/dcc-send.c
index 975b222a..828a472f 100644
--- a/server/dcc-send.c
+++ b/server/dcc-send.c
@@ -1743,7 +1743,7 @@ static bool red_marshall_stream_data(RedChannelClient *rcc,
 
         red_channel_client_init_send_data(rcc, SPICE_MSG_DISPLAY_STREAM_DATA);
 
-        stream_data.base.id = display_channel_get_video_stream_id(display, stream);
+        stream_data.base.id = stream_id;
         stream_data.base.multi_media_time = frame_mm_time;
         stream_data.data_size = outbuf->size;
 
@@ -1753,7 +1753,7 @@ static bool red_marshall_stream_data(RedChannelClient *rcc,
 
         red_channel_client_init_send_data(rcc, SPICE_MSG_DISPLAY_STREAM_DATA_SIZED);
 
-        stream_data.base.id = display_channel_get_video_stream_id(display, stream);
+        stream_data.base.id = stream_id;
         stream_data.base.multi_media_time = frame_mm_time;
         stream_data.data_size = outbuf->size;
         stream_data.width = copy->src_area.right - copy->src_area.left;
diff --git a/server/video-stream.c b/server/video-stream.c
index 619e5ed3..b45c318b 100644
--- a/server/video-stream.c
+++ b/server/video-stream.c
@@ -298,10 +298,10 @@ static void attach_stream(DisplayChannel *display, Drawable *drawable, VideoStre
         stream->num_input_frames++;
     }
 
+    int stream_id = display_channel_get_video_stream_id(display, stream);
     FOREACH_DCC(display, dcc) {
         VideoStreamAgent *agent;
         QRegion clip_in_draw_dest;
-        int stream_id = display_channel_get_video_stream_id(display, stream);
 
         agent = dcc_get_video_stream_agent(dcc, stream_id);
         region_or(&agent->vis_region, &drawable->tree_item.base.rgn);
-- 
2.14.3

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