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Diffstat (limited to 'Alc')
-rw-r--r--Alc/backends/jack.c18
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);