validate: transcode: No buffering handling when the sink is not synced on the clock

It makes no sense to pause the pipeline and wait for buffering to be
done when the pipeline is just processing the data as it comes
in without synchronizing on the clock.

diff --git a/validate/tools/gst-validate-transcoding.c b/validate/tools/gst-validate-transcoding.c
index 6e6d8a6..c6362db 100644 (file)
--- a/validate/tools/gst-validate-transcoding.c
+++ b/validate/tools/gst-validate-transcoding.c
@@ -44,7 +44,7 @@
 
 static gint ret = 0;
 static GMainLoop *mainloop;
-static GstElement *pipeline, *encodebin;
+static GstElement *pipeline, *encodebin, *sink;
 static GstEncodingProfile *encoding_profile = NULL;
 static gboolean eos_on_shutdown = FALSE;
 static gboolean force_reencoding = FALSE;
@@ -474,6 +474,20 @@ bus_callback (GstBus * bus, GstMessage * message, gpointer data)
       GstState target_state = GST_STATE_PLAYING;
       gboolean monitor_handles_state;
 
+      GParamSpec *spec =
+          g_object_class_find_property (G_OBJECT_GET_CLASS (sink), "sync");
+
+      if (spec) {
+        gboolean sync;
+
+        /* Never do buffering if the sink is not synchronizing on the clock */
+        g_object_get (sink, "sync", &sync, NULL);
+        if (!sync)
+          return TRUE;
+      } else {
+        return TRUE;
+      }
+
       g_object_get (monitor, "handles-states", &monitor_handles_state, NULL);
       if (monitor_handles_state && GST_IS_VALIDATE_BIN_MONITOR (monitor)) {
         target_state =
@@ -574,7 +588,7 @@ pad_added_cb (GstElement * uridecodebin, GstPad * pad, GstElement * encodebin)
 static void
 create_transcoding_pipeline (gchar * uri, gchar * outuri)
 {
-  GstElement *src, *sink;
+  GstElement *src;
 
   pipeline = gst_pipeline_new ("encoding-pipeline");
   src = gst_element_factory_make ("uridecodebin", NULL);