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appsink: Only emit EOS signal after all buffers are consumed

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Otherwise the application will possibly shut down the pipeline already
because EOS is received, while there are still some buffers pending.
This commit is contained in:
Sebastian Dröge 2015-01-20 19:14:21 +01:00
parent 661588b150
commit ce8d261cd6
1 changed files with 22 additions and 6 deletions
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28
gst-libs/gst/app/gstappsink.c
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@ -571,20 +571,36 @@ gst_app_sink_event (GstBaseSink * sink, GstEvent * event)
g_queue_push_tail (priv->queue, gst_event_ref (event));
g_mutex_unlock (&priv->mutex);
break;
case GST_EVENT_EOS:
case GST_EVENT_EOS:{
gboolean emit = TRUE;
g_mutex_lock (&priv->mutex);
GST_DEBUG_OBJECT (appsink, "receiving EOS");
priv->is_eos = TRUE;
g_cond_signal (&priv->cond);
g_mutex_unlock (&priv->mutex);
/* emit EOS now */
if (priv->callbacks.eos)
priv->callbacks.eos (appsink, priv->user_data);
else
g_signal_emit (appsink, gst_app_sink_signals[SIGNAL_EOS], 0);
g_mutex_lock (&priv->mutex);
/* wait until all buffers are consumed or we're flushing.
* Otherwise we might signal EOS before all buffers are
* consumed, which is a bit confusing for the application
*/
while (priv->num_buffers > 0 && !priv->flushing)
g_cond_wait (&priv->cond, &priv->mutex);
if (priv->flushing)
emit = FALSE;
g_mutex_unlock (&priv->mutex);
if (emit) {
/* emit EOS now */
if (priv->callbacks.eos)
priv->callbacks.eos (appsink, priv->user_data);
else
g_signal_emit (appsink, gst_app_sink_signals[SIGNAL_EOS], 0);
}
break;
}
case GST_EVENT_FLUSH_START:
/* we don't have to do anything here, the base class will call unlock
* which will make sure we exit the _render method */