Keep track of a device clock time, based on the number of samples processed

1 files changed, 7 insertions, 0 deletions

diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index b6a9f0ae..63c996e5 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -623,6 +623,9 @@ struct ALCdevice_struct
     ALfloat SpeakerAngle[MaxChannels];
     ALuint  NumChan;
 
+    ALuint64 ClockBase;
+    ALuint SamplesDone;
+
     /* Temp storage used for mixing. +1 for the predictive sample. */
     ALIGN(16) ALfloat SampleData1[BUFFERSIZE+1];
     ALIGN(16) ALfloat SampleData2[BUFFERSIZE+1];
@@ -669,6 +672,10 @@ struct ALCdevice_struct
 #define INVALID_OFFSET                           (~0u)
 
 
+/* Nanosecond resolution for the device clock time. */
+#define DEVICE_CLOCK_RES  U64(1000000000)
+
+
 /* Must be less than 15 characters (16 including terminating null) for
  * compatibility with pthread_setname_np limitations. */
 #define MIXER_THREAD_NAME "alsoft-mixer"