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gst/udp/gstudpsrc.c: Handle the case where there are exactly 0 bytes to read and the ioctl did not report an error. F...

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Original commit message from CVS:
* gst/udp/gstudpsrc.c: (gst_udpsrc_create):
Handle the case where there are exactly 0 bytes to read and the ioctl
did not report an error. Fixes #433530.
This commit is contained in:
Wim Taymans 2007-04-26 08:48:30 +00:00
parent 88bf47c911
commit 45b77c57b4
2 changed files with 20 additions and 2 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2007-04-26 Wim Taymans <wim@fluendo.com>
* gst/udp/gstudpsrc.c: (gst_udpsrc_create):
Handle the case where there are exactly 0 bytes to read and the ioctl
did not report an error. Fixes #433530.
2007-04-26 Wim Taymans <wim@fluendo.com>
* gst/wavparse/gstwavparse.c: (gst_wavparse_perform_seek),

16
gst/udp/gstudpsrc.c
View file

@ -451,13 +451,18 @@ gst_udpsrc_create (GstPushSrc * psrc, GstBuffer ** buf)
goto stopped;
} while (try_again);
/* ask how much is available for reading on the socket, this is exactly one
* UDP packet. */
/* ask how much is available for reading on the socket, this should be exactly
* one UDP packet. We will check the return value, though, because in some
* case it can return 0 and we don't want a 0 sized buffer. */
readsize = 0;
if ((ret = IOCTL_SOCKET (udpsrc->sock, FIONREAD, &readsize)) < 0)
goto ioctl_failed;
GST_LOG_OBJECT (udpsrc, "ioctl says %d bytes available", (int) readsize);
if (!readsize)
goto nothing_to_read;
pktdata = g_malloc (readsize);
pktsize = readsize;
@ -516,6 +521,13 @@ ioctl_failed:
("ioctl failed %d: %s (%d)", ret, g_strerror (errno), errno));
return GST_FLOW_ERROR;
}
nothing_to_read:
{
GST_ELEMENT_ERROR (udpsrc, RESOURCE, READ, (NULL),
("ioctl returned readsize 0 %d: %s (%d)", ret, g_strerror (errno),
errno));
return GST_FLOW_ERROR;
}
receive_error:
{
g_free (pktdata);