AlsaDevice: fixes for previous commit.

1 files changed, 21 insertions, 3 deletions

diff --git a/src/device_alsa.cpp b/src/device_alsa.cpp
index b9d51f0..d99ce88 100644
--- a/src/device_alsa.cpp
+++ b/src/device_alsa.cpp
@@ -91,6 +91,21 @@ namespace audiere {
       return 0;
     }
 
+    snd_pcm_uframes_t buffer_size;
+    status = snd_pcm_hw_params_get_buffer_size(hwparams, &buffer_size);
+    if (status < 0) {
+      ADR_LOG("Coudn't get buffer size.");
+      snd_pcm_close(pcm_handle);
+      return 0;
+    }
+    snd_pcm_uframes_t period_size;
+    status = snd_pcm_hw_params_get_period_size(hwparams, &period_size, NULL);
+    if (status < 0) {
+      ADR_LOG("Coudn't get period size.");
+      snd_pcm_close(pcm_handle);
+      return 0;
+    }
+
     status = snd_pcm_sw_params_current(pcm_handle, swparams);
     if (status < 0) {
       ADR_LOG("Coudn't get software parameters.");
@@ -109,14 +124,16 @@ namespace audiere {
 #else
     boundary = 0x7fffffff;
 #endif
-    status = snd_pcm_sw_params_set_start_threshold(pcm_handle, swparams, buffer);
+    status = snd_pcm_sw_params_set_start_threshold(pcm_handle, swparams,
+						   period_size);
     if (status < 0) {
       ADR_LOG("Coudn't get hardware parameters.");
       snd_pcm_close(pcm_handle);
       return 0;
     }
 
-    status = snd_pcm_sw_params_set_stop_threshold(pcm_handle, swparams, buffer);
+    status = snd_pcm_sw_params_set_stop_threshold(pcm_handle, swparams,
+						  boundary);
     if (status < 0) {
       ADR_LOG("Coudn't set stop threshold.");
       snd_pcm_close(pcm_handle);
@@ -124,7 +141,8 @@ namespace audiere {
     }
 
 #if SND_LIB_VERSION >= 0x000901
-    status = snd_pcm_sw_params_set_silence_size(pcm_handle, swparams, boundary);
+    status = snd_pcm_sw_params_set_silence_size(pcm_handle, swparams,
+						boundary);
     if (status < 0) {
       ADR_LOG("Coudn't set silence size.");
       snd_pcm_close(pcm_handle);