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rtspconnection: Fix connection_poll()

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* Only check for conditions we are interested in.
* Makes no sense to specify G_IO_ERR and G_IO_HUP in condition, they
  will always be reported if they are true.
* Do not create timed source if timeout is NULL.
* Correctly wait for sources to be dispatched, context_iteration() is
  not guaranteed to always block even if set to do so.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=726641
This commit is contained in:
Ognyan Tonchev 2014-03-16 17:06:02 +01:00 committed by Wim Taymans
parent bf4079277d
commit e0af857445
1 changed files with 19 additions and 22 deletions
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29
gst-libs/gst/rtsp/gstrtspconnection.c
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@ -2313,7 +2313,6 @@ GstRTSPResult
gst_rtsp_connection_poll (GstRTSPConnection * conn, GstRTSPEvent events,
GstRTSPEvent * revents, GTimeVal * timeout)
{
GstClockTime to;
GMainContext *ctx;
GSource *rs, *ws, *ts;
GIOCondition condition;
@ -2327,45 +2326,43 @@ gst_rtsp_connection_poll (GstRTSPConnection * conn, GstRTSPEvent events,
ctx = g_main_context_new ();
/* configure timeout if any */
to = timeout ? GST_TIMEVAL_TO_TIME (*timeout) : GST_CLOCK_TIME_NONE;
if (timeout) {
ts = g_timeout_source_new (to / GST_MSECOND);
ts = g_timeout_source_new (GST_TIMEVAL_TO_TIME (*timeout) / GST_MSECOND);
g_source_set_dummy_callback (ts);
g_source_attach (ts, ctx);
g_source_unref (ts);
}
rs = g_socket_create_source (conn->read_socket,
G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP, conn->cancellable);
if (events & GST_RTSP_EV_READ) {
rs = g_socket_create_source (conn->read_socket, G_IO_IN | G_IO_PRI,
conn->cancellable);
g_source_set_dummy_callback (rs);
g_source_attach (rs, ctx);
g_source_unref (rs);
}
ws = g_socket_create_source (conn->write_socket,
G_IO_OUT | G_IO_ERR | G_IO_HUP, conn->cancellable);
if (events & GST_RTSP_EV_WRITE) {
ws = g_socket_create_source (conn->write_socket, G_IO_OUT,
conn->cancellable);
g_source_set_dummy_callback (ws);
g_source_attach (ws, ctx);
g_source_unref (ws);
}
/* Returns after handling all pending events */
g_main_context_iteration (ctx, TRUE);
while (!g_main_context_iteration (ctx, TRUE));
g_main_context_unref (ctx);
condition =
g_socket_condition_check (conn->read_socket,
G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP);
condition |=
g_socket_condition_check (conn->write_socket,
G_IO_OUT | G_IO_ERR | G_IO_HUP);
*revents = 0;
if (events & GST_RTSP_EV_READ) {
condition = g_socket_condition_check (conn->read_socket,
G_IO_IN | G_IO_PRI);
if ((condition & G_IO_IN) || (condition & G_IO_PRI))
*revents |= GST_RTSP_EV_READ;
}
if (events & GST_RTSP_EV_WRITE) {
condition = g_socket_condition_check (conn->write_socket, G_IO_OUT);
if ((condition & G_IO_OUT))
*revents |= GST_RTSP_EV_WRITE;
}