diff options
| -rw-r--r-- | Alc/backends/jack.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/Alc/backends/jack.c b/Alc/backends/jack.c index f4d4e181..9597f8af 100644 --- a/Alc/backends/jack.c +++ b/Alc/backends/jack.c @@ -59,6 +59,7 @@ static const ALCchar jackDevice[] = "JACK Default"; MAGIC(jack_ringbuffer_get_read_vector); \ MAGIC(jack_ringbuffer_get_write_vector); \ MAGIC(jack_ringbuffer_read_advance); \ + MAGIC(jack_ringbuffer_read_space); \ MAGIC(jack_ringbuffer_write_advance); \ MAGIC(jack_ringbuffer_write_space); \ MAGIC(jack_set_process_callback); \ @@ -90,6 +91,7 @@ JACK_FUNCS(MAKE_FUNC); #define jack_ringbuffer_get_read_vector pjack_ringbuffer_get_read_vector #define jack_ringbuffer_get_write_vector pjack_ringbuffer_get_write_vector #define jack_ringbuffer_read_advance pjack_ringbuffer_read_advance +#define jack_ringbuffer_read_space pjack_ringbuffer_read_space #define jack_ringbuffer_write_advance pjack_ringbuffer_write_advance #define jack_ringbuffer_write_space pjack_ringbuffer_write_space #define jack_set_process_callback pjack_set_process_callback @@ -162,7 +164,7 @@ static ALCboolean ALCjackPlayback_start(ALCjackPlayback *self); static void ALCjackPlayback_stop(ALCjackPlayback *self); static DECLARE_FORWARD2(ALCjackPlayback, ALCbackend, ALCenum, captureSamples, void*, ALCuint) static DECLARE_FORWARD(ALCjackPlayback, ALCbackend, ALCuint, availableSamples) -static DECLARE_FORWARD(ALCjackPlayback, ALCbackend, ALint64, getLatency) +static ALint64 ALCjackPlayback_getLatency(ALCjackPlayback *self); static void ALCjackPlayback_lock(ALCjackPlayback *self); static void ALCjackPlayback_unlock(ALCjackPlayback *self); DECLARE_DEFAULT_ALLOCATORS(ALCjackPlayback) @@ -488,6 +490,20 @@ static void ALCjackPlayback_stop(ALCjackPlayback *self) } +static ALint64 ALCjackPlayback_getLatency(ALCjackPlayback *self) +{ + ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; + ALint64 latency; + + ALCjackPlayback_lock(self); + latency = jack_ringbuffer_read_space(self->Ring) / + FrameSizeFromDevFmt(device->FmtChans, device->FmtType); + ALCjackPlayback_unlock(self); + + return latency * 1000000000 / device->Frequency; +} + + static void ALCjackPlayback_lock(ALCjackPlayback *self) { almtx_lock(&STATIC_CAST(ALCbackend,self)->mMutex); |