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#include <stdlib.h>
#include <gst/gst.h>
#include "testrtpool.h"
static GstTaskPool *pool;
static void
event_loop (GstBus * bus, GstElement * pipe)
{
GstMessage *message = NULL;
while (TRUE) {
message = gst_bus_poll (bus, GST_MESSAGE_ANY, -1);
g_assert (message != NULL);
switch (message->type) {
case GST_MESSAGE_EOS:
g_message ("received EOS");
gst_message_unref (message);
return;
case GST_MESSAGE_WARNING:
{
GError *gerror;
gchar *debug;
gst_message_parse_warning (message, &gerror, &debug);
gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
gst_message_unref (message);
g_error_free (gerror);
g_free (debug);
return;
}
case GST_MESSAGE_ERROR:{
GError *gerror;
gchar *debug;
gst_message_parse_error (message, &gerror, &debug);
gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
gst_message_unref (message);
g_error_free (gerror);
g_free (debug);
return;
}
default:
gst_message_unref (message);
break;
}
}
}
static GstBusSyncReply
sync_bus_handler (GstBus * bus, GstMessage * message, GstElement * bin)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_STREAM_STATUS:
{
GstStreamStatusType type;
GstElement *owner;
const GValue *val;
gchar *path;
GstTask *task = NULL;
g_message ("received STREAM_STATUS");
gst_message_parse_stream_status (message, &type, &owner);
val = gst_message_get_stream_status_object (message);
g_message ("type: %d", type);
path = gst_object_get_path_string (GST_MESSAGE_SRC (message));
g_message ("source: %s", path);
g_free (path);
path = gst_object_get_path_string (GST_OBJECT (owner));
g_message ("owner: %s", path);
g_free (path);
if (G_VALUE_HOLDS_OBJECT (val)) {
g_message ("object: type %s, value %p", G_VALUE_TYPE_NAME (val),
g_value_get_object (val));
} else if (G_VALUE_HOLDS_POINTER (val)) {
g_message ("object: type %s, value %p", G_VALUE_TYPE_NAME (val),
g_value_get_pointer (val));
} else if (G_IS_VALUE (val)) {
g_message ("object: type %s", G_VALUE_TYPE_NAME (val));
} else {
g_message ("object: (null)");
break;
}
/* see if we know how to deal with this object */
if (G_VALUE_TYPE (val) == GST_TYPE_TASK) {
task = g_value_get_object (val);
}
switch (type) {
case GST_STREAM_STATUS_TYPE_CREATE:
if (task) {
g_message ("created task %p, setting pool", task);
gst_task_set_pool (task, pool);
}
break;
case GST_STREAM_STATUS_TYPE_ENTER:
break;
case GST_STREAM_STATUS_TYPE_LEAVE:
break;
default:
break;
}
break;
}
default:
break;
}
/* pass all messages on the async queue */
return GST_BUS_PASS;
}
int
main (int argc, char *argv[])
{
GstElement *bin, *alsasrc, *alsasink;
GstBus *bus;
GstStateChangeReturn ret;
gst_init (&argc, &argv);
/* create a custom thread pool */
pool = test_rt_pool_new ();
/* create a new bin to hold the elements */
bin = gst_pipeline_new ("pipeline");
g_assert (bin);
/* create a source */
alsasrc = gst_element_factory_make ("alsasrc", "alsasrc");
g_assert (alsasrc);
g_object_set (alsasrc, "device", "hw:0", NULL);
g_object_set (alsasrc, "latency-time", (gint64) 2000, NULL);
g_object_set (alsasrc, "slave-method", 2, NULL);
/* and a sink */
alsasink = gst_element_factory_make ("alsasink", "alsasink");
g_assert (alsasink);
g_object_set (alsasink, "device", "hw:0", NULL);
g_object_set (alsasink, "latency-time", (gint64) 2000, NULL);
g_object_set (alsasink, "buffer-time", (gint64) 10000, NULL);
/* add objects to the main pipeline */
gst_bin_add_many (GST_BIN (bin), alsasrc, alsasink, NULL);
/* link the elements */
gst_element_link (alsasrc, alsasink);
/* get the bus, we need to install a sync handler */
bus = gst_pipeline_get_bus (GST_PIPELINE (bin));
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) sync_bus_handler, bin,
NULL);
/* start playing */
ret = gst_element_set_state (bin, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE)
return 0;
/* Run event loop listening for bus messages until EOS or ERROR */
event_loop (bus, bin);
/* stop the bin */
gst_element_set_state (bin, GST_STATE_NULL);
gst_object_unref (bus);
exit (0);
}
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