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multiudpsink: add buffer-size property

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Add buffer-size property to configure the kernel send buffer.
This commit is contained in:
Wim Taymans 2011-01-05 12:04:03 +01:00
parent c9e0db6469
commit 43c6d0c72a
2 changed files with 49 additions and 5 deletions
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53
gst/udp/gstmultiudpsink.c
View file

@ -80,6 +80,7 @@ enum
#define DEFAULT_LOOP TRUE
#define DEFAULT_QOS_DSCP -1
#define DEFAULT_SEND_DUPLICATES TRUE
#define DEFAULT_BUFFER_SIZE 0
enum
{
@ -96,6 +97,7 @@ enum
PROP_LOOP,
PROP_QOS_DSCP,
PROP_SEND_DUPLICATES,
PROP_BUFFER_SIZE,
PROP_LAST
};
@ -347,6 +349,11 @@ gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass)
"multiple times as well", DEFAULT_SEND_DUPLICATES,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BUFFER_SIZE,
g_param_spec_int ("buffer-size", "Buffer Size",
"Size of the kernel send buffer in bytes, 0=default", 0, G_MAXINT,
DEFAULT_BUFFER_SIZE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state = gst_multiudpsink_change_state;
gstbasesink_class->render = gst_multiudpsink_render;
@ -773,6 +780,9 @@ gst_multiudpsink_set_property (GObject * object, guint prop_id,
case PROP_SEND_DUPLICATES:
udpsink->send_duplicates = g_value_get_boolean (value);
break;
case PROP_BUFFER_SIZE:
udpsink->buffer_size = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -825,6 +835,9 @@ gst_multiudpsink_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_SEND_DUPLICATES:
g_value_set_boolean (value, udpsink->send_duplicates);
break;
case PROP_BUFFER_SIZE:
g_value_set_int (value, udpsink->buffer_size);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -899,6 +912,12 @@ gst_multiudpsink_init_send (GstMultiUDPSink * sink)
guint bc_val;
GList *clients;
GstUDPClient *client;
int sndsize, ret;
#ifdef G_OS_WIN32
gint len;
#else
guint len;
#endif
if (sink->sockfd == -1) {
GST_DEBUG_OBJECT (sink, "creating sockets");
@ -914,11 +933,6 @@ gst_multiudpsink_init_send (GstMultiUDPSink * sink)
sink->externalfd = FALSE;
} else {
struct sockaddr_storage myaddr;
#ifdef G_OS_WIN32
gint len;
#else
guint len;
#endif
GST_DEBUG_OBJECT (sink, "using configured socket");
/* we use the configured socket, try to get some info about it */
@ -932,6 +946,35 @@ gst_multiudpsink_init_send (GstMultiUDPSink * sink)
sink->externalfd = TRUE;
}
len = sizeof (sndsize);
if (sink->buffer_size != 0) {
sndsize = sink->buffer_size;
GST_DEBUG_OBJECT (sink, "setting udp buffer of %d bytes", sndsize);
/* set buffer size, Note that on Linux this is typically limited to a
* maximum of around 100K. Also a minimum of 128 bytes is required on
* Linux. */
ret =
setsockopt (sink->sockfd, SOL_SOCKET, SO_SNDBUF, (void *) &sndsize,
len);
if (ret != 0) {
GST_ELEMENT_WARNING (sink, RESOURCE, SETTINGS, (NULL),
("Could not create a buffer of requested %d bytes, %d: %s (%d)",
sndsize, ret, g_strerror (errno), errno));
}
}
/* read the value of the receive buffer. Note that on linux this returns 2x the
* value we set because the kernel allocates extra memory for metadata.
* The default on Linux is about 100K (which is about 50K without metadata) */
ret =
getsockopt (sink->sockfd, SOL_SOCKET, SO_SNDBUF, (void *) &sndsize, &len);
if (ret == 0)
GST_DEBUG_OBJECT (sink, "have udp buffer of %d bytes", sndsize);
else
GST_DEBUG_OBJECT (sink, "could not get udp buffer size");
bc_val = 1;
if (setsockopt (sink->sock, SOL_SOCKET, SO_BROADCAST, &bc_val,
sizeof (bc_val)) < 0)

1
gst/udp/gstmultiudpsink.h
View file

@ -80,6 +80,7 @@ struct _GstMultiUDPSink {
guint16 ss_family;
gboolean send_duplicates;
gint buffer_size;
};
struct _GstMultiUDPSinkClass {