Hide implementation of para_fd_set().

[paraslash.git] / alsa_write.c

diff --git a/alsa_write.c b/alsa_write.c
index 9822da674eda8029fe052e3c99c177e58816b8a5..192233442b7346278634e749567d898dda5d05a8 100644 (file)
--- a/alsa_write.c
+++ b/alsa_write.c
@@ -230,7 +230,7 @@ static void alsa_write_pre_select(struct sched *s, void *context)
                return;
        }
        pad->poll_fd = pfd.fd;
-       para_fd_set(pfd.fd, &s->rfds, &s->max_fileno);
+       sched_monitor_readfd(pfd.fd, s);
 }
 
 static void alsa_close(struct writer_node *wn)
@@ -297,13 +297,18 @@ again:
                if (bytes == 0) /* no data available */
                        return 0;
                pad = wn->private_data = para_calloc(sizeof(*pad));
-               get_btr_sample_rate(btrn, &val);
+               ret = get_btr_sample_rate(btrn, &val);
+               if (ret < 0)
+                       goto err;
                pad->sample_rate = val;
-               get_btr_channels(btrn, &val);
+               ret = get_btr_channels(btrn, &val);
+               if (ret < 0)
+                       goto err;
                pad->channels = val;
-               get_btr_sample_format(btrn, &val);
+               ret = get_btr_sample_format(btrn, &val);
+               if (ret < 0)
+                       goto err;
                pad->sample_format = get_alsa_pcm_format(val);
-
                PARA_INFO_LOG("%u channel(s), %uHz\n", pad->channels,
                        pad->sample_rate);
                ret = alsa_init(wn);
@@ -316,7 +321,7 @@ again:
        frames = snd_pcm_writei(pad->handle, data, frames);
        if (frames == 0 || frames == -EAGAIN) {
                char buf[100];
-               if (pad->poll_fd >= 0 && FD_ISSET(pad->poll_fd, &s->rfds))
+               if (pad->poll_fd >= 0 && sched_read_ok(pad->poll_fd, s))
                        if (read(pad->poll_fd, buf, 100))
                                do_nothing;
                return 0;
@@ -326,7 +331,11 @@ again:
                goto again;
        }
        if (frames == -EPIPE) {
-               PARA_WARNING_LOG("underrun (tried to write %zu bytes)\n", bytes);
+               snd_pcm_status_t *status;
+               snd_pcm_status_malloc(&status);
+               if (snd_pcm_status_get_state(status) == SND_PCM_STATE_XRUN)
+                       PARA_WARNING_LOG("underrun\n");
+               snd_pcm_status_free(status);
                snd_pcm_prepare(pad->handle);
                return 0;
        }