Make feed_data more robust

Make the function either push a buffer or send EOS in every exit path,
this prevents the pipeline from waiting for data which is not going to
come.

diff --git a/gst-aseq-appsrc.c b/gst-aseq-appsrc.c
index 7c42ab4..4988dc2 100644 (file)
--- a/gst-aseq-appsrc.c
+++ b/gst-aseq-appsrc.c
@@ -222,14 +222,18 @@ feed_data (GstElement * appsrc, guint size, App * app)
   ret = poll (app->pfds, app->npfds, DEFAULT_POLL_TIMEOUT_MS);
   if (ret < 0) {
     GST_ERROR ("ERROR in poll: %s", strerror (errno));
+    gst_app_src_end_of_stream (GST_APP_SRC (appsrc));
   } else if (ret == 0) {
     push_tick_buffer (app);
   } else {
     do {
       snd_seq_event_t *event;
       err = snd_seq_event_input (app->seq, &event);
-      if (err < 0)
+      if (err < 0 && err != -EAGAIN) {
+        GST_ERROR ("Error in snd_seq_event_input: %s", snd_strerror (err));
+        gst_app_src_end_of_stream (GST_APP_SRC (appsrc));
         break;
+      }
       if (event) {
         size_ev =
             snd_midi_event_decode (app->parser, app->buffer, DEFAULT_BUFSIZE,
@@ -242,6 +246,7 @@ feed_data (GstElement * appsrc, guint size, App * app)
           } else {
             GST_ERROR ("Error decoding event from ALSA to output: %s",
                 strerror (-size_ev));
+            gst_app_src_end_of_stream (GST_APP_SRC (appsrc));
             break;
           }
         } else {