Check more alsa return statuses

diff --git a/aoview/aoview_flite.c b/aoview/aoview_flite.c
index 2673824dbdcfaf0780babfd20093fa4a0ca775a6..0ada4e141bd5fd37cc3989b1e4357da80538714d 100644 (file)
--- a/aoview/aoview_flite.c
+++ b/aoview/aoview_flite.c
@@ -58,15 +58,21 @@ aoview_flite_task(gpointer data)
                {
                        rate = wave->sample_rate;
                        channels = wave->num_channels;
-                       snd_pcm_set_params(alsa_handle,
-                                          SND_PCM_FORMAT_S16,
-                                          SND_PCM_ACCESS_RW_INTERLEAVED,
-                                          channels,
-                                          rate,
-                                          1,
-                                          100000);
+                       err = snd_pcm_set_params(alsa_handle,
+                                                SND_PCM_FORMAT_S16,
+                                                SND_PCM_ACCESS_RW_INTERLEAVED,
+                                                channels,
+                                                rate,
+                                                1,
+                                                100000);
+                       if (err < 0)
+                               fprintf(stderr, "alsa set_params error %s\n",
+                                       strerror(-err));
                }
-               snd_pcm_prepare(alsa_handle);
+               err = snd_pcm_prepare(alsa_handle);
+               if (err < 0)
+                       fprintf(stderr, "alsa pcm_prepare error %s\n",
+                               strerror(-err));
                err = snd_pcm_writei(alsa_handle,
                                     wave->samples,
                                     wave->num_samples);