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(1) Caps nego are now dynamic, the Application developer now have choices: udp, tcp & none.

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Original commit message from CVS:
(1) Caps nego are now dynamic, the Application developer  now have choices: udp, tcp & none.
(2) Broadcast flag set to true on all the udp sockets.
This commit is contained in:
Zeeshan Ali 2002-11-16 18:55:43 +00:00
parent cbba4edc0a
commit 766a544f35
4 changed files with 205 additions and 49 deletions
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119
gst/udp/gstudpsink.c
View file

@ -22,6 +22,7 @@
#define UDP_DEFAULT_HOST "localhost"
#define UDP_DEFAULT_PORT 4951
#define UDP_DEFAULT_CONTROL 1
/* elementfactory information */
GstElementDetails gst_udpsink_details = {
@ -45,9 +46,26 @@ enum {
ARG_0,
ARG_HOST,
ARG_PORT,
ARG_CONTROL
/* FILL ME */
};
#define GST_TYPE_UDPSINK_CONTROL (gst_udpsink_control_get_type())
static GType
gst_udpsink_control_get_type(void) {
static GType udpsink_control_type = 0;
static GEnumValue udpsink_control[] = {
{CONTROL_NONE, "1", "none"},
{CONTROL_UDP, "2", "udp"},
{CONTROL_TCP, "3", "tcp"},
{CONTROL_ZERO, NULL, NULL},
};
if (!udpsink_control_type) {
udpsink_control_type = g_enum_register_static("GstUDPSinkControl", udpsink_control);
}
return udpsink_control_type;
}
static void gst_udpsink_class_init (GstUDPSink *klass);
static void gst_udpsink_init (GstUDPSink *udpsink);
@ -104,6 +122,9 @@ gst_udpsink_class_init (GstUDPSink *klass)
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PORT,
g_param_spec_int ("port", "port", "The port to send the packets to",
0, 32768, UDP_DEFAULT_PORT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_CONTROL,
g_param_spec_enum ("control", "control", "The type of control",
GST_TYPE_UDPSINK_CONTROL, CONTROL_UDP, G_PARAM_READWRITE));
gobject_class->set_property = gst_udpsink_set_property;
gobject_class->get_property = gst_udpsink_get_property;
@ -120,47 +141,82 @@ gst_udpsink_sinkconnect (GstPad *pad, GstCaps *caps)
struct hostent *serverhost;
int fd;
FILE *f;
guint bc_val;
#ifndef GST_DISABLE_LOADSAVE
xmlDocPtr doc;
#endif
xmlChar *buf;
int buf_size;
udpsink = GST_UDPSINK (gst_pad_get_parent (pad));
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd < 0) {
perror("socket");
return GST_PAD_CONNECT_REFUSED;
}
memset(&serv_addr, 0, sizeof(serv_addr));
/* its a name rather than an ipnum */
serverhost = gethostbyname(udpsink->host);
if (serverhost == (struct hostent *)0) {
perror("gethostbyname");
return GST_PAD_CONNECT_REFUSED;
perror("gethostbyname");
return GST_PAD_CONNECT_REFUSED;
}
memmove(&serv_addr.sin_addr,serverhost->h_addr, serverhost->h_length);
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(udpsink->port);
if (connect(fd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) != 0) {
g_printerr ("udpsink: connect to %s port %d failed: %s\n",
udpsink->host, udpsink->port, g_strerror(errno));
return GST_PAD_CONNECT_REFUSED;
}
f = fdopen (dup (fd), "wb");
#ifndef GST_DISABLE_LOADSAVE
serv_addr.sin_port = htons(udpsink->port+1);
doc = xmlNewDoc ("1.0");
doc->xmlRootNode = xmlNewDocNode (doc, NULL, "NewCaps", NULL);
gst_caps_save_thyself (caps, doc->xmlRootNode);
xmlDocDump(f, doc);
switch (udpsink->control) {
case CONTROL_UDP:
if ((fd = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) {
perror("socket");
return GST_PAD_CONNECT_REFUSED;
}
/* We can only do broadcast in udp */
bc_val = 1;
setsockopt (fd,SOL_SOCKET, SO_BROADCAST, &bc_val, sizeof (bc_val));
xmlDocDumpMemory(doc, &buf, &buf_size);
if (sendto (fd, buf, buf_size, 0, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) == -1)
{
perror("sending");
return GST_PAD_CONNECT_REFUSED;
}
close (fd);
break;
case CONTROL_TCP:
if ((fd = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1) {
perror("socket");
return GST_PAD_CONNECT_REFUSED;
}
if (connect(fd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) != 0) {
g_printerr ("udpsink: connect to %s port %d failed: %s\n",
udpsink->host, udpsink->port, g_strerror(errno));
return GST_PAD_CONNECT_REFUSED;
}
f = fdopen (dup (fd), "wb");
xmlDocDump(f, doc);
fclose (f);
close (fd);
break;
case CONTROL_NONE:
return GST_PAD_CONNECT_OK;
break;
default:
return GST_PAD_CONNECT_REFUSED;
break;
}
#endif
fclose (f);
close (fd);
return GST_PAD_CONNECT_OK;
}
@ -185,6 +241,7 @@ gst_udpsink_init (GstUDPSink *udpsink)
udpsink->host = g_strdup (UDP_DEFAULT_HOST);
udpsink->port = UDP_DEFAULT_PORT;
udpsink->control = CONTROL_UDP;
udpsink->clock = NULL;
@ -240,6 +297,9 @@ gst_udpsink_set_property (GObject *object, guint prop_id, const GValue *value, G
case ARG_PORT:
udpsink->port = g_value_get_int (value);
break;
case ARG_CONTROL:
udpsink->control = g_value_get_enum (value);
break;
default:
break;
}
@ -261,6 +321,9 @@ gst_udpsink_get_property (GObject *object, guint prop_id, GValue *value, GParamS
case ARG_PORT:
g_value_set_int (value, udpsink->port);
break;
case ARG_CONTROL:
g_value_set_enum (value, udpsink->control);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -273,6 +336,7 @@ static gboolean
gst_udpsink_init_send (GstUDPSink *sink)
{
struct hostent *he;
guint bc_val;
bzero (&sink->theiraddr, sizeof (sink->theiraddr));
sink->theiraddr.sin_family = AF_INET; /* host byte order */
@ -284,10 +348,13 @@ gst_udpsink_init_send (GstUDPSink *sink)
sink->theiraddr.sin_addr = *((struct in_addr *) he->h_addr);
if ((sink->sock = socket (AF_INET, SOCK_DGRAM, 0)) == -1) {
perror("socket");
return FALSE;
perror("socket");
return FALSE;
}
bc_val = 1;
setsockopt (sink->sock, SOL_SOCKET, SO_BROADCAST, &bc_val, sizeof (bc_val));
GST_FLAG_SET (sink, GST_UDPSINK_OPEN);
return TRUE;

2
gst/udp/gstudpsink.h
View file

@ -41,6 +41,7 @@ extern "C" {
#include <sys/socket.h>
#include <sys/wait.h>
#include <fcntl.h>
#include "gstudp.h"
#define GST_TYPE_UDPSINK \
(gst_udpsink_get_type())
@ -72,6 +73,7 @@ struct _GstUDPSink {
struct sockaddr_in theiraddr;
gint port;
Gst_UDP_Control control;
gchar *host;
GstClock *clock;

131
gst/udp/gstudpsrc.c
View file

@ -42,9 +42,26 @@ enum {
enum {
ARG_0,
ARG_PORT,
ARG_CONTROL
/* FILL ME */
};
#define GST_TYPE_UDPSRC_CONTROL (gst_udpsrc_control_get_type())
static GType
gst_udpsrc_control_get_type(void) {
static GType udpsrc_control_type = 0;
static GEnumValue udpsrc_control[] = {
{CONTROL_NONE, "1", "none"},
{CONTROL_UDP, "2", "udp"},
{CONTROL_TCP, "3", "tcp"},
{CONTROL_ZERO, NULL, NULL},
};
if (!udpsrc_control_type) {
udpsrc_control_type = g_enum_register_static("GstUDPSrcControl", udpsrc_control);
}
return udpsrc_control_type;
}
static void gst_udpsrc_class_init (GstUDPSrc *klass);
static void gst_udpsrc_init (GstUDPSrc *udpsrc);
@ -98,6 +115,9 @@ gst_udpsrc_class_init (GstUDPSrc *klass)
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PORT,
g_param_spec_int ("port", "port", "The port to receive the packets from",
0, 32768, UDP_DEFAULT_PORT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_CONTROL,
g_param_spec_enum ("control", "control", "The type of control",
GST_TYPE_UDPSRC_CONTROL, CONTROL_UDP, G_PARAM_READWRITE));
gobject_class->set_property = gst_udpsrc_set_property;
gobject_class->get_property = gst_udpsrc_get_property;
@ -115,6 +135,7 @@ gst_udpsrc_init (GstUDPSrc *udpsrc)
gst_pad_set_get_function (udpsrc->srcpad, gst_udpsrc_get);
udpsrc->port = UDP_DEFAULT_PORT;
udpsrc->control = CONTROL_UDP;
}
static GstBuffer*
@ -126,6 +147,7 @@ gst_udpsrc_get (GstPad *pad)
socklen_t len;
gint numbytes;
fd_set read_fds;
guint max_sock;
g_return_val_if_fail (pad != NULL, NULL);
g_return_val_if_fail (GST_IS_PAD (pad), NULL);
@ -133,10 +155,18 @@ gst_udpsrc_get (GstPad *pad)
udpsrc = GST_UDPSRC (GST_OBJECT_PARENT (pad));
FD_ZERO (&read_fds);
FD_SET (udpsrc->control_sock, &read_fds);
FD_SET (udpsrc->sock, &read_fds);
if (udpsrc->control != CONTROL_NONE) {
FD_SET (udpsrc->control_sock, &read_fds);
max_sock = udpsrc->control_sock;
}
if (select (udpsrc->control_sock+1, &read_fds, NULL, NULL, NULL) > 0) {
else {
max_sock = udpsrc->sock;
}
if (select (max_sock+1, &read_fds, NULL, NULL, NULL) > 0) {
if (FD_ISSET (udpsrc->control_sock, &read_fds)) {
#ifndef GST_DISABLE_LOADSAVE
guchar *buf;
@ -148,16 +178,29 @@ gst_udpsrc_get (GstPad *pad)
buf = g_malloc (1024*10);
len = sizeof (struct sockaddr);
fdread = accept (udpsrc->control_sock, &addr, &len);
if (fdread < 0) {
perror ("accept");
}
switch (udpsrc->control) {
case CONTROL_TCP:
len = sizeof (struct sockaddr);
fdread = accept (udpsrc->control_sock, &addr, &len);
if (fdread < 0) {
perror ("accept");
}
ret = read (fdread, buf, 1024*10);
if (ret < 0) {
perror ("read");
ret = read (fdread, buf, 1024*10);
break;
case CONTROL_UDP:
ret = recvfrom (udpsrc->control_sock, buf, 1024*10, 0, (struct sockaddr *)&tmpaddr, &len);
if (ret < 0) {
perror ("recvfrom");
}
break;
case CONTROL_NONE:
default:
g_free (buf);
return NULL;
break;
}
buf[ret] = '\0';
doc = xmlParseMemory(buf, ret);
caps = gst_caps_load_thyself(doc->xmlRootNode);
@ -165,6 +208,7 @@ gst_udpsrc_get (GstPad *pad)
gst_pad_try_set_caps (udpsrc->srcpad, caps);
#endif
g_free (buf);
outbuf = NULL;
}
else {
@ -207,6 +251,9 @@ gst_udpsrc_set_property (GObject *object, guint prop_id, const GValue *value, GP
case ARG_PORT:
udpsrc->port = g_value_get_int (value);
break;
case ARG_CONTROL:
udpsrc->control = g_value_get_enum (value);
break;
default:
break;
}
@ -225,6 +272,9 @@ gst_udpsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSp
case ARG_PORT:
g_value_set_int (value, udpsrc->port);
break;
case ARG_CONTROL:
g_value_set_enum (value, udpsrc->control);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -235,6 +285,7 @@ gst_udpsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSp
static gboolean
gst_udpsrc_init_receive (GstUDPSrc *src)
{
guint bc_val;
bzero (&src->myaddr, sizeof (src->myaddr));
src->myaddr.sin_family = AF_INET; /* host byte order */
src->myaddr.sin_port = htons (src->port); /* short, network byte order */
@ -245,25 +296,58 @@ gst_udpsrc_init_receive (GstUDPSrc *src)
return FALSE;
}
if (bind (src->sock, (struct sockaddr *) &src->myaddr, sizeof (src->myaddr)) == -1) {
if (bind (src->sock, (struct sockaddr *) &src->myaddr, sizeof (src->myaddr)) == -1) {
perror("bind");
return FALSE;
}
if ((src->control_sock = socket (AF_INET, SOCK_STREAM, 0)) == -1) {
perror("control_socket");
return FALSE;
}
bc_val = 1;
setsockopt (src->sock, SOL_SOCKET, SO_BROADCAST, &bc_val, sizeof (bc_val));
src->myaddr.sin_port = htons (src->port+1); /* short, network byte order */
switch (src->control) {
case CONTROL_TCP:
if ((src->control_sock = socket (AF_INET, SOCK_STREAM, 0)) == -1) {
perror("control_socket");
return FALSE;
}
if (bind (src->control_sock, (struct sockaddr *) &src->myaddr, sizeof (src->myaddr)) == -1) {
perror("control_bind");
return FALSE;
if (bind (src->control_sock, (struct sockaddr *) &src->myaddr, sizeof (src->myaddr)) == -1) {
perror("control_bind");
return FALSE;
}
if (listen (src->control_sock, 5) == -1) {
perror("listen");
return FALSE;
}
fcntl (src->control_sock, F_SETFL, O_NONBLOCK);
break;
case CONTROL_UDP:
if ((src->control_sock = socket (AF_INET, SOCK_DGRAM, 0)) == -1) {
perror("socket");
return FALSE;
}
if (bind (src->control_sock, (struct sockaddr *) &src->myaddr, sizeof (src->myaddr)) == -1)
{
perror("control_bind");
return FALSE;
}
/* We can only do broadcast in udp */
bc_val = 1;
setsockopt (src->control_sock, SOL_SOCKET, SO_BROADCAST, &bc_val, sizeof (bc_val));
break;
case CONTROL_NONE:
GST_FLAG_SET (src, GST_UDPSRC_OPEN);
return TRUE;
break;
default:
return FALSE;
break;
}
if (listen (src->control_sock, 5) == -1) {
perror("listen");
return FALSE;
}
fcntl (src->control_sock, F_SETFL, O_NONBLOCK);
GST_FLAG_SET (src, GST_UDPSRC_OPEN);
@ -274,6 +358,7 @@ static void
gst_udpsrc_close (GstUDPSrc *src)
{
close (src->sock);
close (src->control_sock);
GST_FLAG_UNSET (src, GST_UDPSRC_OPEN);
}

2
gst/udp/gstudpsrc.h
View file

@ -34,6 +34,7 @@ extern "C" {
#include <netdb.h>
#include <sys/socket.h>
#include <fcntl.h>
#include "gstudp.h"
#define GST_TYPE_UDPSRC \
(gst_udpsrc_get_type())
@ -64,6 +65,7 @@ struct _GstUDPSrc {
int port;
int sock;
int control_sock;
Gst_UDP_Control control;
struct sockaddr_in myaddr;
};