+ return 1;
+// PARA_INFO_LOG("timeout: %lu\n", tv2ms(&s->timeout));
+}
+
+static int alsa_write_post_select(__a_unused struct sched *s,
+ struct writer_node *wn)
+{
+ struct private_alsa_data *pad = wn->private_data;
+ struct writer_node_group *wng = wn->wng;
+ size_t frames = (*wng->loaded - wn->written) / pad->bytes_per_frame;
+ snd_pcm_sframes_t ret;
+ unsigned char *data = (unsigned char*)wng->buf + wn->written;
+ struct timeval tv;
+
+// PARA_INFO_LOG("%zd frames\n", frames);
+ if (!frames) {
+ if (*wng->input_eof)
+ wn->written = *wng->loaded;
+ return 1;
+ }
+ if (tv_diff(now, &pad->next_chunk, NULL) < 0)
+ return 1;
+ ret = snd_pcm_writei(pad->handle, data, frames);
+ if (ret == -EPIPE) {
+ PARA_WARNING_LOG("%s", "EPIPE\n");
+ snd_pcm_prepare(pad->handle);
+ return 1;
+ }
+ if (ret < 0) {
+ PARA_WARNING_LOG("%s", "ALSA ERROR\n");
+ return -E_ALSA_WRITE;
+ }
+ ms2tv(pad->buffer_time / 4000, &tv);
+// ms2tv(1, &tv);
+ tv_add(now, &tv, &pad->next_chunk);
+ wn->written += ret * pad->bytes_per_frame;
+ return 1;