diff options
Diffstat (limited to 'Alc/backends/alsa.c')
| -rw-r--r-- | Alc/backends/alsa.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/Alc/backends/alsa.c b/Alc/backends/alsa.c index 7d23ecc3..280f5019 100644 --- a/Alc/backends/alsa.c +++ b/Alc/backends/alsa.c @@ -410,7 +410,7 @@ static ALCboolean ALCplaybackAlsa_start(ALCplaybackAlsa *self); static void ALCplaybackAlsa_stop(ALCplaybackAlsa *self); static DECLARE_FORWARD2(ALCplaybackAlsa, ALCbackend, ALCenum, captureSamples, void*, ALCuint) static DECLARE_FORWARD(ALCplaybackAlsa, ALCbackend, ALCuint, availableSamples) -static ALint64 ALCplaybackAlsa_getLatency(ALCplaybackAlsa *self); +static ClockLatency ALCplaybackAlsa_getClockLatency(ALCplaybackAlsa *self); static DECLARE_FORWARD(ALCplaybackAlsa, ALCbackend, void, lock) static DECLARE_FORWARD(ALCplaybackAlsa, ALCbackend, void, unlock) DECLARE_DEFAULT_ALLOCATORS(ALCplaybackAlsa) @@ -891,18 +891,25 @@ static void ALCplaybackAlsa_stop(ALCplaybackAlsa *self) self->buffer = NULL; } -static ALint64 ALCplaybackAlsa_getLatency(ALCplaybackAlsa *self) +static ClockLatency ALCplaybackAlsa_getClockLatency(ALCplaybackAlsa *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; snd_pcm_sframes_t delay = 0; + ClockLatency ret; int err; + ALCplaybackAlsa_lock(self); + ret.ClockTime = GetDeviceClockTime(device); if((err=snd_pcm_delay(self->pcmHandle, &delay)) < 0) { ERR("Failed to get pcm delay: %s\n", snd_strerror(err)); - return 0; + delay = 0; } - return maxi64((ALint64)delay*1000000000/device->Frequency, 0); + if(delay < 0) delay = 0; + ret.Latency = delay * DEVICE_CLOCK_RES / device->Frequency; + ALCplaybackAlsa_unlock(self); + + return ret; } @@ -929,7 +936,7 @@ static ALCboolean ALCcaptureAlsa_start(ALCcaptureAlsa *self); static void ALCcaptureAlsa_stop(ALCcaptureAlsa *self); static ALCenum ALCcaptureAlsa_captureSamples(ALCcaptureAlsa *self, ALCvoid *buffer, ALCuint samples); static ALCuint ALCcaptureAlsa_availableSamples(ALCcaptureAlsa *self); -static ALint64 ALCcaptureAlsa_getLatency(ALCcaptureAlsa *self); +static ClockLatency ALCcaptureAlsa_getClockLatency(ALCcaptureAlsa *self); static DECLARE_FORWARD(ALCcaptureAlsa, ALCbackend, void, lock) static DECLARE_FORWARD(ALCcaptureAlsa, ALCbackend, void, unlock) DECLARE_DEFAULT_ALLOCATORS(ALCcaptureAlsa) @@ -1277,18 +1284,25 @@ static ALCuint ALCcaptureAlsa_availableSamples(ALCcaptureAlsa *self) return ll_ringbuffer_read_space(self->ring); } -static ALint64 ALCcaptureAlsa_getLatency(ALCcaptureAlsa *self) +static ClockLatency ALCcaptureAlsa_getClockLatency(ALCcaptureAlsa *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; snd_pcm_sframes_t delay = 0; + ClockLatency ret; int err; + ALCcaptureAlsa_lock(self); + ret.ClockTime = GetDeviceClockTime(device); if((err=snd_pcm_delay(self->pcmHandle, &delay)) < 0) { ERR("Failed to get pcm delay: %s\n", snd_strerror(err)); - return 0; + delay = 0; } - return maxi64((ALint64)delay*1000000000/device->Frequency, 0); + if(delay < 0) delay = 0; + ret.Latency = delay * DEVICE_CLOCK_RES / device->Frequency; + ALCcaptureAlsa_unlock(self); + + return ret; } |