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alpha: use new glib API for static mutex if available

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This commit is contained in:
Tim-Philipp Müller 2011-12-12 02:31:36 +00:00
parent 66f6e12888
commit f60eb9ae2c
2 changed files with 26 additions and 0 deletions
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22
gst/alpha/gstalpha.c
View file

@ -161,6 +161,8 @@ static GstStaticCaps gst_alpha_alpha_caps =
";" GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";" GST_VIDEO_CAPS_ABGR ";"
GST_VIDEO_CAPS_RGBA);
/* FIXME: why do we need our own lock for this? */
#if !GLIB_CHECK_VERSION (2, 31, 0)
#define GST_ALPHA_LOCK(alpha) G_STMT_START { \
GST_LOG_OBJECT (alpha, "Locking alpha from thread %p", g_thread_self ()); \
g_static_mutex_lock (&alpha->lock); \
@ -171,6 +173,18 @@ static GstStaticCaps gst_alpha_alpha_caps =
GST_LOG_OBJECT (alpha, "Unlocking alpha from thread %p", g_thread_self ()); \
g_static_mutex_unlock (&alpha->lock); \
} G_STMT_END
#else
#define GST_ALPHA_LOCK(alpha) G_STMT_START { \
GST_LOG_OBJECT (alpha, "Locking alpha from thread %p", g_thread_self ()); \
g_mutex_lock (&alpha->lock); \
GST_LOG_OBJECT (alpha, "Locked alpha from thread %p", g_thread_self ()); \
} G_STMT_END
#define GST_ALPHA_UNLOCK(alpha) G_STMT_START { \
GST_LOG_OBJECT (alpha, "Unlocking alpha from thread %p", g_thread_self ()); \
g_mutex_unlock (&alpha->lock); \
} G_STMT_END
#endif
static gboolean gst_alpha_start (GstBaseTransform * trans);
static gboolean gst_alpha_get_unit_size (GstBaseTransform * btrans,
@ -312,7 +326,11 @@ gst_alpha_init (GstAlpha * alpha, GstAlphaClass * klass)
alpha->black_sensitivity = DEFAULT_BLACK_SENSITIVITY;
alpha->white_sensitivity = DEFAULT_WHITE_SENSITIVITY;
#if !GLIB_CHECK_VERSION (2, 31, 0)
g_static_mutex_init (&alpha->lock);
#else
g_mutex_init (&alpha->lock);
#endif
}
static void
@ -320,7 +338,11 @@ gst_alpha_finalize (GObject * object)
{
GstAlpha *alpha = GST_ALPHA (object);
#if !GLIB_CHECK_VERSION (2, 31, 0)
g_static_mutex_free (&alpha->lock);
#else
g_mutex_clear (&alpha->lock);
#endif
G_OBJECT_CLASS (parent_class)->finalize (object);
}

4
gst/alpha/gstalpha.h
View file

@ -70,7 +70,11 @@ struct _GstAlpha
/* <private> */
/* caps */
#if !GLIB_CHECK_VERSION (2, 31, 0)
GStaticMutex lock;
#else
GMutex lock;
#endif
GstVideoFormat in_format, out_format;
gint width, height;