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socketsrc: add caps property

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Add caps property that allows the src to easily negotiate a format.
This commit is contained in:
Wim Taymans 2015-07-14 15:58:43 +02:00
parent 07d5e7ab4d
commit 2b2766494b
2 changed files with 65 additions and 0 deletions
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64
gst/tcp/gstsocketsrc.c
View file

@ -69,6 +69,7 @@ enum
{
PROP_0,
PROP_SOCKET,
PROP_CAPS,
};
enum
@ -85,6 +86,7 @@ G_DEFINE_TYPE (GstSocketSrc, gst_socket_src, GST_TYPE_PUSH_SRC);
static void gst_socket_src_finalize (GObject * gobject);
static GstCaps *gst_socketsrc_getcaps (GstBaseSrc * src, GstCaps * filter);
static GstFlowReturn gst_socket_src_fill (GstPushSrc * psrc,
GstBuffer * outbuf);
static gboolean gst_socket_src_unlock (GstBaseSrc * bsrc);
@ -119,6 +121,11 @@ gst_socket_src_class_init (GstSocketSrcClass * klass)
"The socket to receive packets from", G_TYPE_SOCKET,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_CAPS,
g_param_spec_boxed ("caps", "Caps",
"The caps of the source pad", GST_TYPE_CAPS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_socket_src_signals[CONNECTION_CLOSED_BY_PEER] =
g_signal_new ("connection-closed-by-peer", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GstSocketSrcClass,
@ -133,6 +140,7 @@ gst_socket_src_class_init (GstSocketSrcClass * klass)
"Thomas Vander Stichele <thomas at apestaart dot org>, "
"William Manley <will@williammanley.net>");
gstbasesrc_class->get_caps = gst_socketsrc_getcaps;
gstbasesrc_class->unlock = gst_socket_src_unlock;
gstbasesrc_class->unlock_stop = gst_socket_src_unlock_stop;
@ -153,12 +161,40 @@ gst_socket_src_finalize (GObject * gobject)
{
GstSocketSrc *this = GST_SOCKET_SRC (gobject);
if (this->caps)
gst_caps_unref (this->caps);
g_clear_object (&this->cancellable);
g_clear_object (&this->socket);
G_OBJECT_CLASS (parent_class)->finalize (gobject);
}
static GstCaps *
gst_socketsrc_getcaps (GstBaseSrc * src, GstCaps * filter)
{
GstSocketSrc *socketsrc;
GstCaps *caps, *result;
socketsrc = GST_SOCKET_SRC (src);
GST_OBJECT_LOCK (src);
if ((caps = socketsrc->caps))
gst_caps_ref (caps);
GST_OBJECT_UNLOCK (src);
if (caps) {
if (filter) {
result = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
} else {
result = caps;
}
} else {
result = (filter) ? gst_caps_ref (filter) : gst_caps_new_any ();
}
return result;
}
static GstFlowReturn
gst_socket_src_fill (GstPushSrc * psrc, GstBuffer * outbuf)
{
@ -285,6 +321,29 @@ gst_socket_src_set_property (GObject * object, guint prop_id,
g_clear_object (&socket);
break;
}
case PROP_CAPS:
{
const GstCaps *new_caps_val = gst_value_get_caps (value);
GstCaps *new_caps;
GstCaps *old_caps;
if (new_caps_val == NULL) {
new_caps = gst_caps_new_any ();
} else {
new_caps = gst_caps_copy (new_caps_val);
}
GST_OBJECT_LOCK (socketsrc);
old_caps = socketsrc->caps;
socketsrc->caps = new_caps;
GST_OBJECT_UNLOCK (socketsrc);
if (old_caps)
gst_caps_unref (old_caps);
gst_pad_mark_reconfigure (GST_BASE_SRC_PAD (socketsrc));
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -301,6 +360,11 @@ gst_socket_src_get_property (GObject * object, guint prop_id,
case PROP_SOCKET:
g_value_set_object (value, socketsrc->socket);
break;
case PROP_CAPS:
GST_OBJECT_LOCK (socketsrc);
gst_value_set_caps (value, socketsrc->caps);
GST_OBJECT_UNLOCK (socketsrc);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

1
gst/tcp/gstsocketsrc.h
View file

@ -48,6 +48,7 @@ struct _GstSocketSrc {
GstPushSrc element;
/*< private >*/
GstCaps *caps;
GSocket *socket;
GCancellable *cancellable;
};