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, 14 insertions, 1 deletions

diff --git a/common/messages.h b/common/messages.h
index 106a8d3..e3677d1 100644
--- a/common/messages.h
+++ b/common/messages.h
@@ -308,13 +308,26 @@ typedef struct SpiceMsgDisplayStreamCreate {
     SpiceClip clip;
 } SpiceMsgDisplayStreamCreate;
 
-typedef struct SpiceMsgDisplayStreamData {
+typedef struct SpiceStreamDataHeader {
     uint32_t id;
     uint32_t multi_media_time;
+} SpiceStreamDataHeader;
+
+typedef struct SpiceMsgDisplayStreamData {
+    SpiceStreamDataHeader base;
     uint32_t data_size;
     uint8_t data[0];
 } SpiceMsgDisplayStreamData;
 
+typedef struct SpiceMsgDisplayStreamDataSized {
+    SpiceStreamDataHeader base;
+    uint32_t width;
+    uint32_t height;
+    SpiceRect dest;
+    uint32_t data_size;
+    uint8_t data[0];
+} SpiceMsgDisplayStreamDataSized;
+
 typedef struct SpiceMsgDisplayStreamClip {
     uint32_t id;
     SpiceClip clip;