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gst-source: avoid some memory leaks

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This commit is contained in:
Wim Taymans 2016-04-12 11:58:33 +02:00
parent 108a42c6b3
commit c6079cf7d2
2 changed files with 41 additions and 16 deletions
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51
pinos/modules/gst/gst-source.c
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@ -120,6 +120,8 @@ setup_pipeline (PinosGstSource *source, GError **error)
priv->pipeline = gst_pipeline_new (NULL);
g_debug ("gst-source %p: setup pipeline", source);
gst_bin_add (GST_BIN (priv->pipeline), priv->element);
priv->filter = gst_element_factory_make ("capsfilter", NULL);
@ -151,18 +153,6 @@ setup_pipeline (PinosGstSource *source, GError **error)
return TRUE;
}
static void
destroy_pipeline (PinosGstSource *source)
{
PinosGstSourcePrivate *priv = source->priv;
if (priv->pipeline) {
gst_element_set_state (priv->pipeline, GST_STATE_NULL);
gst_object_unref (priv->pipeline);
priv->pipeline = NULL;
}
}
static gboolean
start_pipeline (PinosGstSource *source, GError **error)
{
@ -174,6 +164,8 @@ start_pipeline (PinosGstSource *source, GError **error)
gint port;
GstStateChangeReturn ret;
g_debug ("gst-source %p: starting pipeline", source);
ret = gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
if (ret == GST_STATE_CHANGE_FAILURE)
goto paused_failed;
@ -185,7 +177,7 @@ start_pipeline (PinosGstSource *source, GError **error)
query = gst_query_new_caps (NULL);
gst_element_query (priv->element, query);
gst_query_parse_caps_result (query, &res);
priv->possible_formats = gst_caps_ref (res);
gst_caps_replace (&priv->possible_formats, res);
gst_query_unref (query);
clock = gst_pipeline_get_clock (GST_PIPELINE (priv->pipeline));
@ -219,12 +211,34 @@ paused_failed:
}
}
static void
stop_pipeline (PinosGstSource *source)
{
PinosGstSourcePrivate *priv = source->priv;
g_debug ("gst-source %p: stopping pipeline", source);
gst_element_set_state (priv->pipeline, GST_STATE_NULL);
}
static void
destroy_pipeline (PinosGstSource *source)
{
PinosGstSourcePrivate *priv = source->priv;
g_debug ("gst-source %p: destroy pipeline", source);
stop_pipeline (source);
g_clear_object (&priv->pipeline);
}
static gboolean
set_state (PinosSource *source,
PinosSourceState state)
{
PinosGstSourcePrivate *priv = PINOS_GST_SOURCE (source)->priv;
g_debug ("gst-source %p: set state %d", source, state);
switch (state) {
case PINOS_SOURCE_STATE_SUSPENDED:
gst_element_set_state (priv->pipeline, GST_STATE_NULL);
@ -406,7 +420,7 @@ create_source_output (PinosSource *source,
prefix,
error);
if (output == NULL)
return NULL;
goto no_output;
g_signal_connect (output,
"notify::socket",
@ -416,6 +430,14 @@ create_source_output (PinosSource *source,
priv->n_outputs++;
return output;
/* ERRORS */
no_output:
{
if (priv->n_outputs == 0)
stop_pipeline (s);
return NULL;
}
}
static gboolean
@ -491,6 +513,7 @@ source_finalize (GObject * object)
PinosGstSourcePrivate *priv = source->priv;
destroy_pipeline (source);
g_clear_pointer (&priv->possible_formats, gst_caps_unref);
pinos_properties_free (priv->props);
G_OBJECT_CLASS (pinos_gst_source_parent_class)->finalize (object);