[client v2 2/5] streaming: Move SpiceMsgIn parsing to display_handle_stream_create()

[Francois Gouget <fgouget@xxxxxxxxxxxxxxx>]

This regroups all the parsing in one place and makes the rest of the
display_stream code independent from the network messaging details.

Signed-off-by: Francois Gouget <fgouget@xxxxxxxxxxxxxxx>
---
 src/channel-display-priv.h |  7 +++----
 src/channel-display.c      | 37 ++++++++++---------------------------
 2 files changed, 13 insertions(+), 31 deletions(-)

diff --git a/src/channel-display-priv.h b/src/channel-display-priv.h
index b9c08a35..c5622f1a 100644
--- a/src/channel-display-priv.h
+++ b/src/channel-display-priv.h
@@ -99,12 +99,11 @@ typedef struct drops_sequence_stats {
 } drops_sequence_stats;
 
 struct display_stream {
-    SpiceMsgIn                  *msg_create;
-    SpiceMsgIn                  *msg_clip;
-
     /* from messages */
+    uint32_t                    flags;
+    SpiceRect                   dest;
     display_surface             *surface;
-    const SpiceClip             *clip;
+    SpiceClip                   clip;
     QRegion                     region;
     int                         have_region;
 
diff --git a/src/channel-display.c b/src/channel-display.c
index 7a5a23bb..2423fb0e 100644
--- a/src/channel-display.c
+++ b/src/channel-display.c
@@ -1118,11 +1118,11 @@ static void display_update_stream_region(display_stream *st)
 {
     int i;
 
-    switch (st->clip->type) {
+    switch (st->clip.type) {
     case SPICE_CLIP_TYPE_RECTS:
         region_clear(&st->region);
-        for (i = 0; i < st->clip->rects->num_rects; i++) {
-            region_add(&st->region, &st->clip->rects->rects[i]);
+        for (i = 0; i < st->clip.rects->num_rects; i++) {
+            region_add(&st->region, &st->clip.rects->rects[i]);
         }
         st->have_region = true;
         break;
@@ -1191,9 +1191,9 @@ static void display_handle_stream_create(SpiceChannel *channel, SpiceMsgIn *in)
     c->streams[op->id] = g_new0(display_stream, 1);
     st = c->streams[op->id];
 
-    st->msg_create = in;
-    spice_msg_in_ref(in);
-    st->clip = &op->clip;
+    st->flags = op->flags;
+    st->dest = op->dest;
+    st->clip = op->clip;
     st->surface = find_surface(c, op->surface_id);
     st->channel = channel;
     st->drops_seqs_stats_arr = g_array_new(FALSE, FALSE, sizeof(drops_sequence_stats));
@@ -1225,9 +1225,7 @@ static const SpiceRect *stream_get_dest(display_stream *st, SpiceMsgIn *frame_ms
 {
     if (frame_msg == NULL ||
         spice_msg_in_type(frame_msg) != SPICE_MSG_DISPLAY_STREAM_DATA_SIZED) {
-        SpiceMsgDisplayStreamCreate *info = spice_msg_in_parsed(st->msg_create);
-
-        return &info->dest;
+        return &st->dest;
     } else {
         SpiceMsgDisplayStreamDataSized *op = spice_msg_in_parsed(frame_msg);
 
@@ -1236,13 +1234,6 @@ static const SpiceRect *stream_get_dest(display_stream *st, SpiceMsgIn *frame_ms
 
 }
 
-static uint32_t stream_get_flags(display_stream *st)
-{
-    SpiceMsgDisplayStreamCreate *info = spice_msg_in_parsed(st->msg_create);
-
-    return info->flags;
-}
-
 G_GNUC_INTERNAL
 uint32_t spice_msg_in_frame_data(SpiceMsgIn *frame_msg, uint8_t **data)
 {
@@ -1288,7 +1279,7 @@ void stream_display_frame(display_stream *st, SpiceMsgIn *frame_msg,
     dest = stream_get_dest(st, frame_msg);
 
     stride = width * sizeof(uint32_t);
-    if (!(stream_get_flags(st) & SPICE_STREAM_FLAGS_TOP_DOWN)) {
+    if (!(st->flags & SPICE_STREAM_FLAGS_TOP_DOWN)) {
         data += stride * (height - 1);
         stride = -stride;
     }
@@ -1502,12 +1493,8 @@ static void display_handle_stream_clip(SpiceChannel *channel, SpiceMsgIn *in)
     display_stream *st = get_stream_by_id(channel, op->id);
 
     g_return_if_fail(st != NULL);
-    if (st->msg_clip) {
-        spice_msg_in_unref(st->msg_clip);
-    }
-    spice_msg_in_ref(in);
-    st->msg_clip = in;
-    st->clip = &op->clip;
+
+    st->clip = op->clip;
     display_update_stream_region(st);
 }
 
@@ -1561,10 +1548,6 @@ static void destroy_stream(SpiceChannel *channel, int id)
         st->video_decoder->destroy(st->video_decoder);
     }
 
-    if (st->msg_clip)
-        spice_msg_in_unref(st->msg_clip);
-    spice_msg_in_unref(st->msg_create);
-
     g_free(st);
     c->streams[id] = NULL;
 }
-- 
2.11.0

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