diff options
Diffstat (limited to 'Alc/backends/base.h')
| -rw-r--r-- | Alc/backends/base.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/Alc/backends/base.h b/Alc/backends/base.h index f6b4b80a..04795b36 100644 --- a/Alc/backends/base.h +++ b/Alc/backends/base.h @@ -5,6 +5,21 @@ #include "threads.h" +typedef struct ClockLatency { + ALint64 ClockTime; + ALint64 Latency; +} ClockLatency; + +/* Helper to get the current clock time from the device's ClockBase, and + * SamplesDone converted from the sample rate. + */ +inline ALuint64 GetDeviceClockTime(ALCdevice *device) +{ + return device->ClockBase + (device->SamplesDone * DEVICE_CLOCK_RES / + device->Frequency); +} + + struct ALCbackendVtable; typedef struct ALCbackend { @@ -20,7 +35,7 @@ void ALCbackend_Destruct(ALCbackend *self); ALCboolean ALCbackend_reset(ALCbackend *self); ALCenum ALCbackend_captureSamples(ALCbackend *self, void *buffer, ALCuint samples); ALCuint ALCbackend_availableSamples(ALCbackend *self); -ALint64 ALCbackend_getLatency(ALCbackend *self); +ClockLatency ALCbackend_getClockLatency(ALCbackend *self); void ALCbackend_lock(ALCbackend *self); void ALCbackend_unlock(ALCbackend *self); @@ -37,7 +52,7 @@ struct ALCbackendVtable { ALCenum (*const captureSamples)(ALCbackend*, void*, ALCuint); ALCuint (*const availableSamples)(ALCbackend*); - ALint64 (*const getLatency)(ALCbackend*); + ClockLatency (*const getClockLatency)(ALCbackend*); void (*const lock)(ALCbackend*); void (*const unlock)(ALCbackend*); @@ -54,7 +69,7 @@ DECLARE_THUNK(T, ALCbackend, ALCboolean, start) \ DECLARE_THUNK(T, ALCbackend, void, stop) \ DECLARE_THUNK2(T, ALCbackend, ALCenum, captureSamples, void*, ALCuint) \ DECLARE_THUNK(T, ALCbackend, ALCuint, availableSamples) \ -DECLARE_THUNK(T, ALCbackend, ALint64, getLatency) \ +DECLARE_THUNK(T, ALCbackend, ClockLatency, getClockLatency) \ DECLARE_THUNK(T, ALCbackend, void, lock) \ DECLARE_THUNK(T, ALCbackend, void, unlock) \ static void T##_ALCbackend_Delete(void *ptr) \ @@ -70,7 +85,7 @@ static const struct ALCbackendVtable T##_ALCbackend_vtable = { \ T##_ALCbackend_stop, \ T##_ALCbackend_captureSamples, \ T##_ALCbackend_availableSamples, \ - T##_ALCbackend_getLatency, \ + T##_ALCbackend_getClockLatency, \ T##_ALCbackend_lock, \ T##_ALCbackend_unlock, \ \ |