Better handle inexact ALSA period counts

1 files changed, 4 insertions, 1 deletions

diff --git a/Alc/backends/alsa.c b/Alc/backends/alsa.c
index 955fd8c0..43c46484 100644
--- a/Alc/backends/alsa.c
+++ b/Alc/backends/alsa.c
@@ -677,6 +677,7 @@ static ALCboolean ALCplaybackAlsa_reset(ALCplaybackAlsa *self)
     unsigned int rate;
     const char *funcerr;
     int allowmmap;
+    int dir;
     int err;
 
     switch(device->FmtType)
@@ -787,7 +788,9 @@ static ALCboolean ALCplaybackAlsa_reset(ALCplaybackAlsa *self)
     /* retrieve configuration info */
     CHECK(snd_pcm_hw_params_get_access(hp, &access));
     CHECK(snd_pcm_hw_params_get_period_size(hp, &periodSizeInFrames, NULL));
-    CHECK(snd_pcm_hw_params_get_periods(hp, &periods, NULL));
+    CHECK(snd_pcm_hw_params_get_periods(hp, &periods, &dir));
+    if(dir != 0)
+        WARN("Inexact period count: %u (%d)\n", periods, dir);
 
     snd_pcm_hw_params_free(hp);
     hp = NULL;