add SPICE_MSG_PLAYBACK_LATENCY

SPICE_MSG_PLAYBACK_LATENCY is intended for adjusting the
latency of the audio playback. It is used for synchronizing
the audio and video playback.
The corresponding capability is SPICE_PLAYBACK_CAP_LATENCY.

3 files changed, 8 insertions, 0 deletions

diff --git a/common/messages.h b/common/messages.h
index 1d30b87..a8a0eee 100644
--- a/common/messages.h
+++ b/common/messages.h
@@ -469,6 +469,10 @@ typedef struct SpiceMsgPlaybackPacket {
     uint32_t data_size;
 } SpiceMsgPlaybackPacket, SpiceMsgcRecordPacket;
 
+typedef struct SpiceMsgPlaybackLatency {
+    uint32_t latency_ms;
+} SpiceMsgPlaybackLatency;
+
 typedef struct SpiceMsgRecordStart {
     uint32_t channels;
     uint32_t format; //SPICE_AUDIO_FMT_?
diff --git a/spice-protocol b/spice-protocol
-Subproject a04cc68ba16c5ad8cf1f35b61c1464ef96bdfb0
+Subproject 4f868cc354b617f55a0983fd2b2eafcb223b577
diff --git a/spice.proto b/spice.proto
index 97d1e1b..5eede6b 100644
--- a/spice.proto
+++ b/spice.proto
@@ -1102,6 +1102,10 @@ channel PlaybackChannel : BaseChannel {
     Empty stop;
     AudioVolume volume;
     AudioMute mute;
+
+    message {
+        uint32 latency_ms;
+    } latency;
 };
 
 channel RecordChannel : BaseChannel {