Add a backend callback to get the device time

The method should monotonically count the number of nanoseconds the device has
active contexts

1 files changed, 8 insertions, 1 deletions

diff --git a/Alc/pulseaudio.c b/Alc/pulseaudio.c
index 2b68f166..2769fcd9 100644
--- a/Alc/pulseaudio.c
+++ b/Alc/pulseaudio.c
@@ -1204,6 +1204,12 @@ static void pulse_capture_samples(ALCdevice *device, ALCvoid *buffer, ALCuint sa
         alcSetError(device, ALC_INVALID_VALUE);
 } //}}}
 
+static ALuint64 pulse_get_time(ALCdevice *Device) //{{{
+{
+    return Device->SamplesPlayed * 1000000000 / Device->Frequency;
+} //}}}
+
+
 BackendFuncs pulse_funcs = { //{{{
     pulse_open_playback,
     pulse_close_playback,
@@ -1214,7 +1220,8 @@ BackendFuncs pulse_funcs = { //{{{
     pulse_start_capture,
     pulse_stop_capture,
     pulse_capture_samples,
-    pulse_available_samples
+    pulse_available_samples,
+    pulse_get_time
 }; //}}}
 
 void alc_pulse_init(BackendFuncs *func_list) //{{{