gstreamer/tests/check/elements/appsrc.c

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/* GStreamer
*
* Copyright (C) 2010, Thiago Santos <thiago.sousa.santos@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/check/gstcheck.h>
#include <gst/app/gstappsrc.h>
#include <gst/app/gstappsink.h>
#define SAMPLE_CAPS "application/x-gst-check-test"
static GstPad *mysinkpad;
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstElement *
setup_appsrc (void)
{
GstElement *appsrc;
GST_DEBUG ("setup_appsrc");
appsrc = gst_check_setup_element ("appsrc");
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mysinkpad = gst_check_setup_sink_pad (appsrc, &sinktemplate);
gst_pad_set_active (mysinkpad, TRUE);
return appsrc;
}
static void
cleanup_appsrc (GstElement * appsrc)
{
GST_DEBUG ("cleanup_appsrc");
gst_check_teardown_sink_pad (appsrc);
gst_check_teardown_element (appsrc);
}
/*
* Pushes 4 buffers into appsrc and checks the caps on them on the output.
*
* Appsrc is configured with caps=SAMPLE_CAPS, so the buffers should have the
* same caps that they were pushed with.
*
* The 4 buffers have NULL, SAMPLE_CAPS, NULL, SAMPLE_CAPS caps,
* respectively.
*/
GST_START_TEST (test_appsrc_non_null_caps)
{
GstElement *src;
GstBuffer *buffer;
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GstCaps *caps, *ccaps;
src = setup_appsrc ();
caps = gst_caps_from_string (SAMPLE_CAPS);
g_object_set (src, "caps", caps, NULL);
ASSERT_SET_STATE (src, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
buffer = gst_buffer_new_and_alloc (4);
fail_unless (gst_app_src_push_buffer (GST_APP_SRC (src),
buffer) == GST_FLOW_OK);
buffer = gst_buffer_new_and_alloc (4);
fail_unless (gst_app_src_push_buffer (GST_APP_SRC (src),
buffer) == GST_FLOW_OK);
buffer = gst_buffer_new_and_alloc (4);
fail_unless (gst_app_src_push_buffer (GST_APP_SRC (src),
buffer) == GST_FLOW_OK);
buffer = gst_buffer_new_and_alloc (4);
fail_unless (gst_app_src_push_buffer (GST_APP_SRC (src),
buffer) == GST_FLOW_OK);
fail_unless (gst_app_src_end_of_stream (GST_APP_SRC (src)) == GST_FLOW_OK);
/* Give some time to the appsrc loop to push the buffers */
g_usleep (G_USEC_PER_SEC * 3);
/* Check the output caps */
fail_unless (g_list_length (buffers) == 4);
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ccaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (gst_caps_is_equal (ccaps, caps));
gst_caps_unref (ccaps);
ASSERT_SET_STATE (src, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
gst_caps_unref (caps);
cleanup_appsrc (src);
}
GST_END_TEST;
static GstAppSinkCallbacks app_callbacks;
typedef struct
{
GMainLoop *loop;
GstElement *source;
GstElement *sink;
} ProgramData;
static GstFlowReturn
on_new_sample_from_source (GstAppSink * elt, gpointer user_data)
{
ProgramData *data = (ProgramData *) user_data;
GstSample *sample;
GstBuffer *buffer;
GstElement *source;
sample = gst_app_sink_pull_sample (GST_APP_SINK (elt));
buffer = gst_sample_get_buffer (sample);
source = gst_bin_get_by_name (GST_BIN (data->sink), "testsource");
gst_app_src_push_buffer (GST_APP_SRC (source), gst_buffer_ref (buffer));
gst_sample_unref (sample);
g_object_unref (source);
return GST_FLOW_OK;
}
/* called when we get a GstMessage from the source pipeline when we get EOS, we
* notify the appsrc of it. */
static gboolean
on_source_message (GstBus * bus, GstMessage * message, ProgramData * data)
{
GstElement *source;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_EOS:
source = gst_bin_get_by_name (GST_BIN (data->sink), "testsource");
fail_unless (gst_app_src_end_of_stream (GST_APP_SRC (source)) ==
GST_FLOW_OK);
break;
case GST_MESSAGE_ERROR:
g_main_loop_quit (data->loop);
break;
default:
break;
}
return TRUE;
}
static gboolean
on_sink_message (GstBus * bus, GstMessage * message, ProgramData * data)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_EOS:
g_main_loop_quit (data->loop);
break;
case GST_MESSAGE_ERROR:
ASSERT_SET_STATE (data->sink, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
ASSERT_SET_STATE (data->source, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
g_main_loop_quit (data->loop);
break;
default:
break;
}
return TRUE;
}
static gboolean
error_timeout (ProgramData * data)
{
GstBus *bus;
bus = gst_element_get_bus (data->sink);
gst_bus_post (bus, gst_message_new_error (GST_OBJECT (data->sink), NULL,
"test error"));
gst_object_unref (bus);
return FALSE;
}
/*
* appsink => appsrc pipelines executed 100 times:
* - appsink pipeline has sync=false
* - appsrc pipeline has sync=true
* - appsrc has block=true
* after 1 second an error message is posted on appsink pipeline bus
* when the error is received the appsrc pipeline is set to NULL
* and then the appsink pipeline is
* set to NULL too, this must not deadlock
*/
GST_START_TEST (test_appsrc_block_deadlock)
{
int i = 0;
int num_iteration = 100;
while (i < num_iteration) {
ProgramData *data = NULL;
GstBus *bus = NULL;
GstElement *testsink = NULL;
gint tout;
data = g_new0 (ProgramData, 1);
data->loop = g_main_loop_new (NULL, FALSE);
data->source =
gst_parse_launch ("videotestsrc ! appsink sync=false name=testsink",
NULL);
fail_unless (data->source != NULL);
bus = gst_element_get_bus (data->source);
gst_bus_add_watch (bus, (GstBusFunc) on_source_message, data);
gst_object_unref (bus);
app_callbacks.new_sample = on_new_sample_from_source;
testsink = gst_bin_get_by_name (GST_BIN (data->source), "testsink");
gst_app_sink_set_callbacks (GST_APP_SINK_CAST (testsink), &app_callbacks,
data, NULL);
gst_object_unref (testsink);
data->sink =
gst_parse_launch
("appsrc name=testsource block=1 max-bytes=1000 is-live=true ! fakesink sync=true",
NULL);
fail_unless (data->sink != NULL);
bus = gst_element_get_bus (data->sink);
gst_bus_add_watch (bus, (GstBusFunc) on_sink_message, data);
gst_object_unref (bus);
tout = g_timeout_add (150, (GSourceFunc) error_timeout, data);
ASSERT_SET_STATE (data->sink, GST_STATE_PLAYING, GST_STATE_CHANGE_ASYNC);
ASSERT_SET_STATE (data->source, GST_STATE_PLAYING, GST_STATE_CHANGE_ASYNC);
g_main_loop_run (data->loop);
ASSERT_SET_STATE (data->sink, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
ASSERT_SET_STATE (data->source, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
g_source_remove (tout);
gst_object_unref (data->source);
gst_object_unref (data->sink);
g_main_loop_unref (data->loop);
g_free (data);
i++;
GST_INFO ("appsrc deadlock test iteration number %d/%d", i, num_iteration);
}
}
GST_END_TEST;
static Suite *
appsrc_suite (void)
{
Suite *s = suite_create ("appsrc");
TCase *tc_chain = tcase_create ("general");
tcase_add_test (tc_chain, test_appsrc_non_null_caps);
tcase_add_test (tc_chain, test_appsrc_block_deadlock);
tcase_set_timeout (tc_chain, 20);
suite_add_tcase (s, tc_chain);
return s;
}
GST_CHECK_MAIN (appsrc);