[spice-server v1 3/4] display-limits: use SPICE_MAX_NUM_STREAMS from protocol

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From: Victor Toso <me@xxxxxxxxxxxxxx>

Using the limit SPICE_MAX_NUM_STREAMS introduced in spice-protocol
0.12.14 to fix the amount of streams we might be working currently.

This change removes the NUM_STREAMS define in display-limits.h

This is an ABI break patch as the size of some arrays will change such
as:
- stream_agents from DisplayChannelClientPrivate in dcc-private.h
- streams_buf from DisplayChannelPrivate in display-channel-private.h

Signed-off-by: Victor Toso <victortoso@xxxxxxxxxx>
---
 server/dcc-private.h             | 2 +-
 server/dcc.c                     | 6 +++---
 server/display-channel-private.h | 2 +-
 server/display-channel.c         | 2 +-
 server/display-limits.h          | 3 ---
 server/stream-channel.c          | 2 +-
 server/video-stream.c            | 4 ++--
 7 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/server/dcc-private.h b/server/dcc-private.h
index 848d4270..75eacc9c 100644
--- a/server/dcc-private.h
+++ b/server/dcc-private.h
@@ -61,7 +61,7 @@ struct DisplayChannelClientPrivate
     uint8_t surface_client_created[NUM_SURFACES];
     QRegion surface_client_lossy_region[NUM_SURFACES];
 
-    VideoStreamAgent stream_agents[NUM_STREAMS];
+    VideoStreamAgent stream_agents[SPICE_MAX_NUM_STREAMS];
     uint32_t streams_max_latency;
     uint64_t streams_max_bit_rate;
     bool gl_draw_ongoing;
diff --git a/server/dcc.c b/server/dcc.c
index 15b65978..cfe0aae3 100644
--- a/server/dcc.c
+++ b/server/dcc.c
@@ -486,7 +486,7 @@ static void dcc_init_stream_agents(DisplayChannelClient *dcc)
     int i;
     DisplayChannel *display = DCC_TO_DC(dcc);
 
-    for (i = 0; i < NUM_STREAMS; i++) {
+    for (i = 0; i < SPICE_MAX_NUM_STREAMS; i++) {
         VideoStreamAgent *agent = &dcc->priv->stream_agents[i];
         agent->stream = display_channel_get_nth_video_stream(display, i);
         region_init(&agent->vis_region);
@@ -600,7 +600,7 @@ static void dcc_destroy_stream_agents(DisplayChannelClient *dcc)
 {
     int i;
 
-    for (i = 0; i < NUM_STREAMS; i++) {
+    for (i = 0; i < SPICE_MAX_NUM_STREAMS; i++) {
         VideoStreamAgent *agent = &dcc->priv->stream_agents[i];
         region_destroy(&agent->vis_region);
         region_destroy(&agent->clip);
@@ -1032,7 +1032,7 @@ static bool dcc_handle_stream_report(DisplayChannelClient *dcc,
 {
     VideoStreamAgent *agent;
 
-    if (report->stream_id >= NUM_STREAMS) {
+    if (report->stream_id >= SPICE_MAX_NUM_STREAMS) {
         spice_warning("stream_report: invalid stream id %u",
                       report->stream_id);
         return FALSE;
diff --git a/server/display-channel-private.h b/server/display-channel-private.h
index 617ce30d..3dd3e233 100644
--- a/server/display-channel-private.h
+++ b/server/display-channel-private.h
@@ -98,7 +98,7 @@ struct DisplayChannelPrivate
     int stream_video;
     GArray *video_codecs;
     uint32_t stream_count;
-    VideoStream streams_buf[NUM_STREAMS];
+    VideoStream streams_buf[SPICE_MAX_NUM_STREAMS];
     VideoStream *free_streams;
     Ring streams;
     ItemTrace items_trace[NUM_TRACE_ITEMS];
diff --git a/server/display-channel.c b/server/display-channel.c
index 229f2c0f..39158154 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -104,7 +104,7 @@ display_channel_finalize(GObject *object)
         for (stream = self->priv->free_streams; stream; stream = stream->next) {
             ++count;
         }
-        spice_assert(count == NUM_STREAMS);
+        spice_assert(count == SPICE_MAX_NUM_STREAMS);
         spice_assert(ring_is_empty(&self->priv->streams));
 
         for (count = 0; count < NUM_SURFACES; ++count) {
diff --git a/server/display-limits.h b/server/display-limits.h
index e875149b..e3adf691 100644
--- a/server/display-limits.h
+++ b/server/display-limits.h
@@ -22,7 +22,4 @@
 /** Maximum number of surfaces a guest can create */
 #define NUM_SURFACES 1024
 
-/** Maximum number of streams created by spice-server */
-#define NUM_STREAMS 50
-
 #endif /* DISPLAY_LIMITS_H_ */
diff --git a/server/stream-channel.c b/server/stream-channel.c
index 88f859f6..6c27d844 100644
--- a/server/stream-channel.c
+++ b/server/stream-channel.c
@@ -467,7 +467,7 @@ stream_channel_change_format(StreamChannel *channel, const StreamMsgFormat *fmt)
     }
 
     // allocate a new stream id
-    channel->stream_id = (channel->stream_id + 1) % NUM_STREAMS;
+    channel->stream_id = (channel->stream_id + 1) % SPICE_MAX_NUM_STREAMS;
 
     // send create stream
     StreamCreateItem *item = g_new0(StreamCreateItem, 1);
diff --git a/server/video-stream.c b/server/video-stream.c
index a4b83b4f..368673a7 100644
--- a/server/video-stream.c
+++ b/server/video-stream.c
@@ -140,7 +140,7 @@ void display_channel_init_video_streams(DisplayChannel *display)
 
     ring_init(&display->priv->streams);
     display->priv->free_streams = NULL;
-    for (i = 0; i < NUM_STREAMS; i++) {
+    for (i = 0; i < SPICE_MAX_NUM_STREAMS; i++) {
         VideoStream *stream = display_channel_get_nth_video_stream(display, i);
         ring_item_init(&stream->link);
         video_stream_free(display, stream);
@@ -570,7 +570,7 @@ static void dcc_update_streams_max_latency(DisplayChannelClient *dcc,
     if (DCC_TO_DC(dcc)->priv->stream_count == 1) {
         return;
     }
-    for (i = 0; i < NUM_STREAMS; i++) {
+    for (i = 0; i < SPICE_MAX_NUM_STREAMS; i++) {
         VideoStreamAgent *other_agent = dcc_get_video_stream_agent(dcc, i);
         if (other_agent == remove_agent || !other_agent->video_encoder) {
             continue;
-- 
2.16.2

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