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multiudpsink: Call gst_base_sink_wait_preroll on unlock

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This means that packets will not be lost on fast pause/playing cycles.

Also refactor the code a little to simplify it.

https://bugzilla.gnome.org/show_bug.cgi?id=774945
This commit is contained in:
Olivier Crête 2017-12-19 16:47:52 -05:00
parent 0a15d1782b
commit 6ea569841d
1 changed files with 27 additions and 25 deletions
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52
gst/udp/gstmultiudpsink.c
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@ -671,7 +671,7 @@ gst_udp_address_get_string (GSocketAddress * addr, gchar * s, gsize size)
/* Wrapper around g_socket_send_messages() plus error handling (ignoring).
* Returns FALSE if we got cancelled, otherwise TRUE. */
static gboolean
static GstFlowReturn
gst_multiudpsink_send_messages (GstMultiUDPSink * sink, GSocket * socket,
GstOutputMessage * messages, guint num_messages)
{
@ -690,8 +690,16 @@ gst_multiudpsink_send_messages (GstMultiUDPSink * sink, GSocket * socket,
GstOutputMessage *msg;
if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
GstFlowReturn flow_ret;
g_clear_error (&err);
return FALSE;
flow_ret = gst_base_sink_wait_preroll (GST_BASE_SINK (sink));
if (flow_ret == GST_FLOW_OK)
continue;
return flow_ret;
}
err_idx = gst_udp_messsages_find_first_not_sent (messages, num_messages);
@ -738,7 +746,7 @@ gst_multiudpsink_send_messages (GstMultiUDPSink * sink, GSocket * socket,
num_messages -= ret;
}
return TRUE;
return GST_FLOW_OK;
}
static GstFlowReturn
@ -836,33 +844,28 @@ gst_multiudpsink_render_buffers (GstMultiUDPSink * sink, GstBuffer ** buffers,
}
/* now send it! */
{
gboolean ret;
/* no IPv4 socket? Send it all from the IPv6 socket then.. */
if (sink->used_socket == NULL) {
ret = gst_multiudpsink_send_messages (sink, sink->used_socket_v6,
msgs, num_msgs);
} else {
guint num_msgs_v4 = num_buffers * num_addr_v4;
guint num_msgs_v6 = num_buffers * num_addr_v6;
/* no IPv4 socket? Send it all from the IPv6 socket then.. */
if (sink->used_socket == NULL) {
flow_ret = gst_multiudpsink_send_messages (sink, sink->used_socket_v6,
msgs, num_msgs);
} else {
guint num_msgs_v4 = num_buffers * num_addr_v4;
guint num_msgs_v6 = num_buffers * num_addr_v6;
/* our client list is sorted with IPv4 clients first and IPv6 ones last */
ret = gst_multiudpsink_send_messages (sink, sink->used_socket,
msgs, num_msgs_v4);
/* our client list is sorted with IPv4 clients first and IPv6 ones last */
flow_ret = gst_multiudpsink_send_messages (sink, sink->used_socket,
msgs, num_msgs_v4);
if (!ret)
goto cancelled;
ret = gst_multiudpsink_send_messages (sink, sink->used_socket_v6,
msgs + num_msgs_v4, num_msgs_v6);
}
if (!ret)
if (flow_ret != GST_FLOW_OK)
goto cancelled;
flow_ret = gst_multiudpsink_send_messages (sink, sink->used_socket_v6,
msgs + num_msgs_v4, num_msgs_v6);
}
flow_ret = GST_FLOW_OK;
if (flow_ret != GST_FLOW_OK)
goto cancelled;
/* now update stats */
g_mutex_lock (&sink->client_lock);
@ -900,7 +903,6 @@ no_clients:
cancelled:
{
GST_INFO_OBJECT (sink, "cancelled");
flow_ret = GST_FLOW_FLUSHING;
g_mutex_lock (&sink->client_lock);
for (i = 0; i < num_addr; ++i)