video streaming: add support for frames of different sizes

rhbz #813826, #815426

Add SPICE_MSG_DISPLAY_STREAM_DATA_SIZED, for stream_data message
that also contains the size and destination box of the data.
The server can send such messages only to clients with
SPICE_DISPLAY_CAP_SIZED_STREAM.

1 files changed, 6 insertions, 2 deletions

diff --git a/spice1.proto b/spice1.proto
index fa2524b..2ed1058 100644
--- a/spice1.proto
+++ b/spice1.proto
@@ -533,6 +533,11 @@ struct String {
     } u @anon;
 };
 
+struct StreamDataHeader {
+	uint32 id;
+	uint32 multi_media_time;
+};
+
 channel DisplayChannel : BaseChannel {
  server:
     message {
@@ -580,8 +585,7 @@ channel DisplayChannel : BaseChannel {
     } stream_create = 122;
 
     message {
-	uint32 id;
-	uint32 multi_media_time;
+	StreamDataHeader base;
 	uint32 data_size;
 	uint32 pad_size @zero;
 	uint8 data[data_size] @end  @nomarshal;