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example: print step_done message and sync
Dump the step_done message contents. Sync against the clock when going to PLAYING.
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parent
7a7e9629ce
commit
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1 changed files with 23 additions and 3 deletions
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@ -20,7 +20,8 @@ event_loop (GstElement * pipe)
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gst_message_unref (message);
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return;
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case GST_MESSAGE_WARNING:
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case GST_MESSAGE_ERROR:{
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case GST_MESSAGE_ERROR:
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{
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GError *gerror;
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gchar *debug;
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@ -31,6 +32,22 @@ event_loop (GstElement * pipe)
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g_free (debug);
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return;
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}
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case GST_MESSAGE_STEP_DONE:
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{
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GstFormat format;
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guint64 amount;
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gdouble rate;
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guint64 duration;
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gboolean intermediate;
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gst_message_parse_step_done (message, &format, &amount, &rate,
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&duration, &intermediate);
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g_message ("step done: %" GST_TIME_FORMAT " skipped in %"
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G_GUINT64_FORMAT " frames", GST_TIME_ARGS (duration), amount);
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return;
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}
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default:
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gst_message_unref (message);
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break;
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@ -72,7 +89,7 @@ main (int argc, char *argv[])
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appsink = gst_element_factory_make ("appsink", "appsink");
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g_assert (appsink);
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g_object_set (appsink, "emit-signals", TRUE, NULL);
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g_object_set (appsink, "sync", FALSE, NULL);
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g_object_set (appsink, "sync", TRUE, NULL);
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g_signal_connect (appsink, "new-preroll", (GCallback) new_preroll, NULL);
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/* add objects to the main pipeline */
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@ -92,7 +109,10 @@ main (int argc, char *argv[])
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g_assert (gst_element_send_event (bin,
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gst_event_new_step (GST_FORMAT_BUFFERS, 2, 1.0, TRUE, FALSE)));
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/* wait for step to complete */
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/* blocks and returns when we received the step done message */
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event_loop (bin);
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/* wait for step to really complete */
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gst_element_get_state (bin, NULL, NULL, -1);
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g_message ("stepped two frames");
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