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netbuffer: Implement NetAddress with metadata

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Make a NetAddress metadata.
This commit is contained in:
Wim Taymans 2011-02-28 12:59:40 +01:00
parent c7c8f3e13d
commit 9ecff3c985
2 changed files with 43 additions and 86 deletions
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89
gst-libs/gst/netbuffer/gstnetbuffer.c
View File

@ -34,79 +34,48 @@
#include "gstnetbuffer.h" #include "gstnetbuffer.h"
#if 0
static void gst_netbuffer_finalize (GstNetBuffer * nbuf);
static GstNetBuffer *gst_netbuffer_copy (GstNetBuffer * nbuf);
static GstBufferClass *parent_class;
G_DEFINE_TYPE (GstNetBuffer, gst_netbuffer, GST_TYPE_BUFFER);
static void static void
gst_netbuffer_class_init (GstNetBufferClass * netbuffer_class) meta_net_address_copy (GstBuffer * copy, GstMetaNetAddress * meta,
GstBuffer * buffer)
{ {
GstMiniObjectClass *mo_class = GST_MINI_OBJECT_CLASS (netbuffer_class); GstMetaNetAddress *naddr;
parent_class = g_type_class_peek_parent (netbuffer_class); GST_DEBUG ("copy called from buffer %p to %p, meta %p", buffer, copy, meta);
mo_class->copy = (GstMiniObjectCopyFunction) gst_netbuffer_copy; naddr = gst_buffer_add_meta_net_address (copy);
mo_class->finalize = (GstMiniObjectFinalizeFunction) gst_netbuffer_finalize; memcpy (&naddr->naddr, &meta->naddr, sizeof (meta->naddr));
} }
static void static void
gst_netbuffer_init (GstNetBuffer * instance) meta_net_address_sub (GstBuffer * sub, GstMetaNetAddress * meta,
GstBuffer * buffer, guint offset, guint size)
{ {
GstMetaNetAddress *naddr;
GST_DEBUG ("sub called from buffer %p to %p, meta %p, %u-%u", buffer, sub,
meta, offset, size);
naddr = gst_buffer_add_meta_net_address (sub);
memcpy (&naddr->naddr, &meta->naddr, sizeof (meta->naddr));
} }
static void const GstMetaInfo *
gst_netbuffer_finalize (GstNetBuffer * nbuf) gst_meta_net_address_get_info (void)
{ {
GST_MINI_OBJECT_CLASS (parent_class)->finalize (GST_MINI_OBJECT (nbuf)); static const GstMetaInfo *meta_info = NULL;
if (meta_info == NULL) {
meta_info = gst_meta_register ("GstMetaNetAddress", "GstMetaNetAddress",
sizeof (GstMetaNetAddress),
(GstMetaInitFunction) NULL,
(GstMetaFreeFunction) NULL,
(GstMetaCopyFunction) meta_net_address_copy,
(GstMetaSubFunction) meta_net_address_sub,
(GstMetaSerializeFunction) NULL, (GstMetaDeserializeFunction) NULL);
}
return meta_info;
} }
static GstNetBuffer *
gst_netbuffer_copy (GstNetBuffer * nbuf)
{
GstNetBuffer *copy;
copy = gst_netbuffer_new ();
/* we simply copy everything from our parent */
GST_BUFFER_DATA (copy) =
g_memdup (GST_BUFFER_DATA (nbuf), GST_BUFFER_SIZE (nbuf));
/* make sure it gets freed (even if the parent is subclassed, we return a
normal buffer) */
GST_BUFFER_MALLOCDATA (copy) = GST_BUFFER_DATA (copy);
GST_BUFFER_SIZE (copy) = GST_BUFFER_SIZE (nbuf);
memcpy (&copy->to, &nbuf->to, sizeof (nbuf->to));
memcpy (&copy->from, &nbuf->from, sizeof (nbuf->from));
/* copy metadata */
gst_buffer_copy_metadata (GST_BUFFER_CAST (copy),
GST_BUFFER_CAST (nbuf), GST_BUFFER_COPY_ALL);
return copy;
}
/**
* gst_netbuffer_new:
*
* Create a new network buffer.
*
* Returns: a new #GstNetBuffer.
*/
GstNetBuffer *
gst_netbuffer_new (void)
{
GstNetBuffer *buf;
buf = (GstNetBuffer *) gst_mini_object_new (GST_TYPE_NETBUFFER);
return buf;
}
#endif
/** /**
* gst_netaddress_set_ip4_address: * gst_netaddress_set_ip4_address:
* @naddr: a network address * @naddr: a network address

40
gst-libs/gst/netbuffer/gstnetbuffer.h
View File

@ -66,7 +66,7 @@ typedef enum {
/** /**
* GstNetAddress: * GstNetAddress:
* *
* An opaque network address as used in #GstNetBuffer. * An opaque network address as used in #GstMetaNetAddress.
*/ */
struct _GstNetAddress { struct _GstNetAddress {
/*< private >*/ /*< private >*/
@ -80,38 +80,26 @@ struct _GstNetAddress {
gpointer _gst_reserved[GST_PADDING]; gpointer _gst_reserved[GST_PADDING];
}; };
#if 0 typedef struct _GstMetaNetAddress GstMetaNetAddress;
/** /**
* GstNetBuffer: * GstMetaNetAddress:
* @buffer: the parent #GstBuffer
* @from: the address where this buffer came from.
* @to: the address where this buffer should go to.
* *
* buffer for use in network sources and sinks. * Buffer metadata for network addresses.
* It contains the source or destination address of the buffer.
*/ */
struct _GstNetBuffer { struct _GstMetaNetAddress {
GstBuffer buffer; GstMeta meta;
GstNetAddress from; GstNetAddress naddr;
GstNetAddress to;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
}; };
struct _GstNetBufferClass { const GstMetaInfo *gst_meta_net_address_get_info (void);
GstBufferClass buffer_class; #define GST_META_NET_ADDRESS_INFO (gst_meta_net_address_get_info())
/*< private >*/ #define gst_buffer_get_meta_net_address(b) \
gpointer _gst_reserved[GST_PADDING]; ((GstMetaNetAddress*)gst_buffer_get_meta((b),GST_META_NET_ADDRESS_INFO))
}; #define gst_buffer_add_meta_net_address(b) \
((GstMetaNetAddress*)gst_buffer_add_meta((b),GST_META_TIMING_INFO,NULL))
/* creating buffers */
GType gst_netbuffer_get_type (void);
GstNetBuffer* gst_netbuffer_new (void);
#endif
/* address operations */ /* address operations */
void gst_netaddress_set_ip4_address (GstNetAddress *naddr, guint32 address, guint16 port); void gst_netaddress_set_ip4_address (GstNetAddress *naddr, guint32 address, guint16 port);