On 08/02/2011 01:54 PM, Alon Levy wrote:
On Tue, Aug 02, 2011 at 12:31:57PM +0200, Christophe Fergeau wrote:
This patch is an RFC

red_display_marshall_stream_start initializes a
SpiceMsgDisplayStreamCreate structure before marshalling it and
sending it on the wire. However, it never fills
SpiceMsgDisplayStreamCreate::stamp which then causes a complaint
from valgrind. Initializing it is easy enough, however I have no idea
if 0 is an acceptable value. I put a semi-random value for now in the
hope that someone can enlighten me as to what I can use for ::stamp.
---
  server/red_worker.c |    2 ++
  1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/server/red_worker.c b/server/red_worker.c
index efedc19..dc80259 100644
--- a/server/red_worker.c
+++ b/server/red_worker.c
@@ -7718,6 +7718,8 @@ static void 
red_display_marshall_stream_start(DisplayChannel *display_channel,
          stream_create.clip.rects =&clip_rects;
      }

+    stream_create.stamp = 0xdeadbeef;
+
Good question. I see mm_time is 32 bit, and this is 64. You could pass the 
mm_time here. Is
it even used on the other side? I think we only use the timestamps on the 
frames for synchronization.

0 is still a better value in the meantime :)

On the wire it looked like zero'ed 8 bytes in STREAM_CREATE, while the very next STREAM_DATA message had 4 bytes with reasonable data (0x0017940e, which indeed incremented nicely in the next STREAM_DATA messages). Coincidence?
(Using git 3582adb989cdb6e1e75bf9341ffcebf35e58b737).

BTW: another 8 bytes we could shave off the protocol one day, I presume.
Y.


      spice_marshall_msg_display_stream_create(base_marshaller,&stream_create);
  }

--
1.7.6

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