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ges: discoverer-manager: Fix race leading to assertion when stopping

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Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3757

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7421>
This commit is contained in:
Thibault Saunier 2024-02-16 12:48:59 -03:00 committed by GStreamer Marge Bot
parent 2d989058a7
commit 97e5749bfc
1 changed files with 8 additions and 4 deletions
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12
subprojects/gst-editing-services/ges/ges-discoverer-manager.c
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@ -1,6 +1,8 @@
#include "ges-internal.h" #include "ges-internal.h"
#include "ges-discoverer-manager.h" #include "ges-discoverer-manager.h"
G_LOCK_DEFINE_STATIC (singleton_lock);
static GESDiscovererManager *self = NULL;
typedef struct typedef struct
{ {
@ -17,7 +19,7 @@ static void
ges_discoverer_data_free (GESDiscovererData * data) ges_discoverer_data_free (GESDiscovererData * data)
{ {
GST_LOG ("Freeing discoverer %" GST_PTR_FORMAT, data->discoverer); GST_LOG ("Freeing discoverer %" GST_PTR_FORMAT, data->discoverer);
g_assert (data->n_uri == 0); g_assert (data->n_uri == 0 || !self);
gst_discoverer_stop (data->discoverer); gst_discoverer_stop (data->discoverer);
g_signal_handler_disconnect (data->discoverer, data->load_serialized_info_id); g_signal_handler_disconnect (data->discoverer, data->load_serialized_info_id);
g_signal_handler_disconnect (data->discoverer, data->source_setup_id); g_signal_handler_disconnect (data->discoverer, data->source_setup_id);
@ -73,8 +75,6 @@ enum
static GParamSpec *properties[N_PROPERTIES] = { NULL, }; static GParamSpec *properties[N_PROPERTIES] = { NULL, };
static guint signals[N_SIGNALS] = { 0, }; static guint signals[N_SIGNALS] = { 0, };
G_LOCK_DEFINE_STATIC (singleton_lock);
static GESDiscovererManager *self = NULL;
static void static void
ges_discoverer_manager_get_property (GObject * object, ges_discoverer_manager_get_property (GObject * object,
@ -485,6 +485,10 @@ void
ges_discoverer_manager_cleanup (void) ges_discoverer_manager_cleanup (void)
{ {
G_LOCK (singleton_lock); G_LOCK (singleton_lock);
gst_clear_object (&self); GESDiscovererManager *manager = self;
self = NULL;
if (manager)
gst_object_unref (manager);
G_UNLOCK (singleton_lock); G_UNLOCK (singleton_lock);
} }