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ext/alsa/gstalsasink.*: Don't leak allocated snd_output_t structure if there's more than one alsasink instance at a t...

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Original commit message from CVS:
* ext/alsa/gstalsasink.c: (gst_alsasink_finalise),
(gst_alsasink_init):
* ext/alsa/gstalsasink.h:
Don't leak allocated snd_output_t structure if there's
more than one alsasink instance at a time (#341873).
Also fix GObject macros in header file.
This commit is contained in:
Tim-Philipp Müller 2006-05-15 16:46:44 +00:00
parent b512d7a387
commit acde916f7f
3 changed files with 33 additions and 9 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2006-05-15 Tim-Philipp Müller <tim at centricular dot net>
* ext/alsa/gstalsasink.c: (gst_alsasink_finalise),
(gst_alsasink_init):
* ext/alsa/gstalsasink.h:
Don't leak allocated snd_output_t structure if there's
more than one alsasink instance at a time (#341873).
Also fix GObject macros in header file.
2006-05-15 Tim-Philipp Müller <tim at centricular dot net>
* gst/subparse/gstsubparse.c:

21
ext/alsa/gstalsasink.c
View file

@ -96,6 +96,10 @@ static guint gst_alsasink_write (GstAudioSink * asink, gpointer data,
static guint gst_alsasink_delay (GstAudioSink * asink);
static void gst_alsasink_reset (GstAudioSink * asink);
static gint output_ref; /* 0 */
static snd_output_t *output; /* NULL */
static GStaticMutex output_mutex = G_STATIC_MUTEX_INIT;
/* AlsaSink signals and args */
enum
{
@ -173,6 +177,14 @@ gst_alsasink_finalise (GObject * object)
g_free (sink->device);
g_mutex_free (sink->alsa_lock);
g_static_mutex_lock (&output_mutex);
--output_ref;
if (output_ref == 0) {
snd_output_close (output);
output = NULL;
}
g_static_mutex_unlock (&output_mutex);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@ -279,8 +291,6 @@ gst_alsasink_get_property (GObject * object, guint prop_id,
}
}
static snd_output_t *output = NULL;
static void
gst_alsasink_init (GstAlsaSink * alsasink)
{
@ -291,7 +301,12 @@ gst_alsasink_init (GstAlsaSink * alsasink)
alsasink->cached_caps = NULL;
alsasink->alsa_lock = g_mutex_new ();
snd_output_stdio_attach (&output, stdout, 0);
g_static_mutex_lock (&output_mutex);
if (output_ref == 0) {
snd_output_stdio_attach (&output, stdout, 0);
++output_ref;
}
g_static_mutex_unlock (&output_mutex);
}
#define CHECK(call, error) \

12
ext/alsa/gstalsasink.h
View file

@ -29,12 +29,12 @@
G_BEGIN_DECLS
#define GST_TYPE_ALSA_SINK (gst_alsasink_get_type())
#define GST_ALSA_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_SINK,GstAlsaSink))
#define GST_ALSA_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_SINK,GstAlsaSinkClass))
#define GST_IS_ALSA_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_SINK))
#define GST_IS_ALSA_SINK_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_SINK))
#define GST_ALSA_SINK_CAST(obj) ((GstAlsaSink *) (obj))
#define GST_TYPE_ALSA_SINK (gst_alsasink_get_type())
#define GST_ALSA_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_SINK,GstAlsaSink))
#define GST_ALSA_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_SINK,GstAlsaSinkClass))
#define GST_IS_ALSA_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_SINK))
#define GST_IS_ALSA_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_SINK))
#define GST_ALSA_SINK_CAST(obj) ((GstAlsaSink *) (obj))
typedef struct _GstAlsaSink GstAlsaSink;
typedef struct _GstAlsaSinkClass GstAlsaSinkClass;