/**
* gst_switch_server_prepare_composite:
* @return TRUE if the composite worker is prepared.
*
* Preparing the composite worker.
*/
static gboolean
gst_switch_server_prepare_composite (GstSwitchServer * srv,
GstCompositeMode mode)
{
gint port, encode;
if (srv->composite) {
return TRUE;
}
port = gst_switch_server_alloc_port (srv);
encode = gst_switch_server_alloc_port (srv);
INFO ("Compose sink to %d, %d", port, encode);
g_assert (srv->composite == NULL);
srv->composite = GST_COMPOSITE (g_object_new (GST_TYPE_COMPOSITE,
"name", "composite", "port",
port, "encode", encode, "mode", mode, NULL));
g_signal_connect (srv->composite, "start-worker",
G_CALLBACK (gst_switch_server_worker_start), srv);
g_signal_connect (srv->composite, "worker-null",
G_CALLBACK (gst_switch_server_worker_null), srv);
/*
g_signal_connect (srv->composite, "start-output",
G_CALLBACK (gst_switch_server_start_output), srv);
g_signal_connect (srv->composite, "start-recorder",
G_CALLBACK (gst_switch_server_start_recorder), srv);
*/
g_signal_connect (srv->composite, "end-transition",
G_CALLBACK (gst_switch_server_end_transition), srv);
GST_SWITCH_SERVER_LOCK_PIP (srv);
srv->pip_x = srv->composite->b_x;
srv->pip_y = srv->composite->b_y;
srv->pip_w = srv->composite->b_width;
srv->pip_h = srv->composite->b_height;
GST_SWITCH_SERVER_UNLOCK_PIP (srv);
if (!gst_worker_start (GST_WORKER (srv->composite)))
goto error_start_composite;
return TRUE;
error_start_composite:
{
g_object_unref (srv->composite);
srv->composite = NULL;
return FALSE;
}
}
static void
gst_switch_server_serve (GstSwitchServer *srv, GSocket *client,
GstSwitchServeStreamType serve_type)
{
GSocketInputStreamX *stream = G_SOCKET_INPUT_STREAM (g_object_new (
G_TYPE_SOCKET_INPUT_STREAM, "socket", client, NULL));
GstCaseType type = GST_CASE_UNKNOWN;
GstCaseType inputtype = GST_CASE_UNKNOWN;
GstCaseType branchtype = GST_CASE_UNKNOWN;
gint num_cases = g_list_length (srv->cases);
GstCase *input = NULL, *branch = NULL, *workcase = NULL;
gchar *name;
gint port = 0;
GCallback start_callback = G_CALLBACK (gst_switch_server_start_case);
GCallback end_callback = G_CALLBACK (gst_switch_server_end_case);
GST_SWITCH_SERVER_LOCK_SERVE (srv);
GST_SWITCH_SERVER_LOCK_CASES (srv);
switch (serve_type) {
case GST_SERVE_AUDIO_STREAM: inputtype = GST_CASE_INPUT_a; break;
case GST_SERVE_VIDEO_STREAM: inputtype = GST_CASE_INPUT_v; break;
default: goto error_unknown_serve_type;
}
type = gst_switch_server_suggest_case_type (srv, serve_type);
switch (type) {
case GST_CASE_COMPOSITE_A: branchtype = GST_CASE_BRANCH_A; break;
case GST_CASE_COMPOSITE_B: branchtype = GST_CASE_BRANCH_B; break;
case GST_CASE_COMPOSITE_a: branchtype = GST_CASE_BRANCH_a; break;
case GST_CASE_PREVIEW: branchtype = GST_CASE_BRANCH_p; break;
default: goto error_unknown_case_type;
}
port = gst_switch_server_alloc_port (srv);
//INFO ("case-type: %d, %d, %d", type, branchtype, port);
name = g_strdup_printf ("input_%d", port);
input = GST_CASE (g_object_new (GST_TYPE_CASE, "name", name,
"type", inputtype, "port", port, "serve", serve_type,
"stream", stream, NULL));
g_object_unref (stream);
g_object_unref (client);
g_free (name);
name = g_strdup_printf ("branch_%d", port);
branch = GST_CASE (g_object_new (GST_TYPE_CASE, "name", name,
"type", branchtype, "port", port, "serve", serve_type, NULL));
g_free (name);
name = g_strdup_printf ("case-%d", num_cases);
workcase = GST_CASE (g_object_new (GST_TYPE_CASE, "name", name,
"type", type, "port", port, "serve", serve_type,
"input", input, "branch", branch, NULL));
g_free (name);
srv->cases = g_list_append (srv->cases, input);
srv->cases = g_list_append (srv->cases, branch);
srv->cases = g_list_append (srv->cases, workcase);
GST_SWITCH_SERVER_UNLOCK_CASES (srv);
if (serve_type == GST_SERVE_VIDEO_STREAM) {
g_object_set (input,
"awidth", srv->composite->a_width,
"aheight", srv->composite->a_height,
"bwidth", srv->composite->b_width,
"bheight", srv->composite->b_height,
NULL);
g_object_set (branch,
"awidth", srv->composite->a_width,
"aheight", srv->composite->a_height,
"bwidth", srv->composite->b_width,
"bheight", srv->composite->b_height,
NULL);
g_object_set (workcase,
"awidth", srv->composite->a_width,
"aheight", srv->composite->a_height,
"bwidth", srv->composite->b_width,
"bheight", srv->composite->b_height,
NULL);
}
g_signal_connect (branch, "start-worker", start_callback, srv);
g_signal_connect (input, "end-worker", end_callback, srv);
g_signal_connect (branch, "end-worker", end_callback, srv);
g_signal_connect (workcase, "end-worker", end_callback, srv);
if (!gst_worker_start (GST_WORKER (input)))
goto error_start_branch;
if (!gst_worker_start (GST_WORKER (branch)))
goto error_start_branch;
if (!gst_worker_start (GST_WORKER (workcase)))
goto error_start_workcase;
GST_SWITCH_SERVER_UNLOCK_SERVE (srv);
return;
/* Errors Handling */
error_unknown_serve_type:
{
ERROR ("unknown serve type %d", serve_type);
g_object_unref (stream);
g_object_unref (client);
GST_SWITCH_SERVER_UNLOCK_CASES (srv);
GST_SWITCH_SERVER_UNLOCK_SERVE (srv);
return;
}
error_unknown_case_type:
{
ERROR ("unknown case type (serve type %d)", serve_type);
g_object_unref (stream);
g_object_unref (client);
GST_SWITCH_SERVER_UNLOCK_CASES (srv);
GST_SWITCH_SERVER_UNLOCK_SERVE (srv);
return;
}
error_start_branch:
error_start_workcase:
{
ERROR ("failed serving new client");
GST_SWITCH_SERVER_LOCK_CASES (srv);
srv->cases = g_list_remove (srv->cases, branch);
srv->cases = g_list_remove (srv->cases, workcase);
GST_SWITCH_SERVER_UNLOCK_CASES (srv);
g_object_unref (stream);
g_object_unref (branch);
g_object_unref (workcase);
gst_switch_server_revoke_port (srv, port);
GST_SWITCH_SERVER_UNLOCK_SERVE (srv);
return;
}
}
