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gst-libs/gst/rtp/gstrtcpbuffer.*: Fix and document SDES item data function.

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Original commit message from CVS:
* gst-libs/gst/rtp/gstrtcpbuffer.c:
(gst_rtcp_packet_sdes_get_entry),
(gst_rtcp_packet_sdes_copy_entry):
* gst-libs/gst/rtp/gstrtcpbuffer.h:
Fix and document SDES item data function.
Add new function that makes a proper copy of SDES item data.
API: gst_rtcp_packet_sdes_copy_entry()
This commit is contained in:
Wim Taymans 2007-08-30 21:59:23 +00:00
parent d2d03ba2f6
commit fdc42d47b4
3 changed files with 59 additions and 2 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2007-08-30 Wim Taymans <wim.taymans@gmail.com>
* gst-libs/gst/rtp/gstrtcpbuffer.c:
(gst_rtcp_packet_sdes_get_entry),
(gst_rtcp_packet_sdes_copy_entry):
* gst-libs/gst/rtp/gstrtcpbuffer.h:
Fix and document SDES item data function.
Add new function that makes a proper copy of SDES item data.
API: gst_rtcp_packet_sdes_copy_entry()
2007-08-30 Stefan Kost <ensonic@users.sf.net>
* configure.ac:

48
gst-libs/gst/rtp/gstrtcpbuffer.c
View file

@ -1107,7 +1107,13 @@ gst_rtcp_packet_sdes_next_entry (GstRTCPPacket * packet)
* @len: result length of the entry data
* @data: result entry data
*
* Get the data of the current SDES item entry.
* Get the data of the current SDES item entry. @type (when not NULL) will
* contain the type of the entry. @data (when not NULL) will point to @len
* bytes.
*
* When @type refers to a text item, @data will point to a UTF8 string. Note
* that this UTF8 string is NOT null-terminated. Use
* gst_rtcp_packet_sdes_copy_entry() to get a null-termined copy of the entry.
*
* Returns: %TRUE if there was valid data.
*/
@ -1138,7 +1144,45 @@ gst_rtcp_packet_sdes_get_entry (GstRTCPPacket * packet,
if (len)
*len = bdata[offset + 1];
if (data)
*data = g_memdup (&bdata[offset + 2], bdata[offset + 1]);
*data = &bdata[offset + 2];
return TRUE;
}
/**
* gst_rtcp_packet_sdes_copy_entry:
* @packet: a valid SDES #GstRTCPPacket
* @type: result of the entry type
* @len: result length of the entry data
* @data: result entry data
*
* This function is like gst_rtcp_packet_sdes_get_entry() but it returns a
* null-terminated copy of the data instead. use g_free() after usage.
*
* Returns: %TRUE if there was valid data.
*/
gboolean
gst_rtcp_packet_sdes_copy_entry (GstRTCPPacket * packet,
GstRTCPSDESType * type, guint8 * len, guint8 ** data)
{
guint8 *tdata;
guint8 tlen;
g_return_val_if_fail (packet != NULL, FALSE);
g_return_val_if_fail (packet->type == GST_RTCP_TYPE_SDES, FALSE);
g_return_val_if_fail (GST_IS_BUFFER (packet->buffer), FALSE);
if (!gst_rtcp_packet_sdes_get_entry (packet, type, &tlen, &tdata))
return FALSE;
if (len)
*len = tlen;
if (data) {
/* alloc string with room for null-byte */
*data = g_malloc (tlen + 1);
memcpy (*data, tdata, tlen);
(*data)[tlen] = '\0';
}
return TRUE;
}

3
gst-libs/gst/rtp/gstrtcpbuffer.h
View file

@ -215,6 +215,9 @@ gboolean gst_rtcp_packet_sdes_next_entry (GstRTCPPacket *packet);
gboolean gst_rtcp_packet_sdes_get_entry (GstRTCPPacket *packet,
GstRTCPSDESType *type, guint8 *len,
guint8 **data);
gboolean gst_rtcp_packet_sdes_copy_entry (GstRTCPPacket *packet,
GstRTCPSDESType *type, guint8 *len,
guint8 **data);
gboolean gst_rtcp_packet_sdes_add_item (GstRTCPPacket *packet, guint32 ssrc);
gboolean gst_rtcp_packet_sdes_add_entry (GstRTCPPacket *packet, GstRTCPSDESType type,