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rtcpbuffer: provide a WRITE map with maximum available size

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... which allows adding additional packets and may be needed to counteract
the shrink that implicitly occurred during a map/unmap cycle when adding
a previous packet.
This commit is contained in:
Mark Nauwelaerts 2011-07-06 17:03:08 +02:00
parent 6be16ad773
commit 06557739ab
1 changed files with 7 additions and 0 deletions
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7
gst-libs/gst/rtp/gstrtcpbuffer.c
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@ -260,6 +260,13 @@ gst_rtcp_buffer_map (GstBuffer * buffer, GstMapFlags flags,
rtcp->flags = flags; rtcp->flags = flags;
rtcp->data = gst_buffer_map (buffer, &rtcp->size, &rtcp->maxsize, flags); rtcp->data = gst_buffer_map (buffer, &rtcp->size, &rtcp->maxsize, flags);
/* allow for expansion, e.g. adding packets, if needed */
if ((flags & GST_MAP_WRITE) != 0) {
/* unmap and adjust to max available, and remap */
gst_buffer_unmap (buffer, rtcp->data, rtcp->maxsize);
rtcp->data = gst_buffer_map (buffer, &rtcp->size, &rtcp->maxsize, flags);
}
return TRUE; return TRUE;
} }