gstreamer/tests/check/elements/selector.c

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/* GStreamer
*
* Unit test for selector plugin
* Copyright (C) 2008 Nokia Corporation. (contact <stefan.kost@nokia.com>)
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gst/check/gstcheck.h>
#define NUM_SELECTOR_PADS 4
#define NUM_INPUT_BUFFERS 4 // buffers to send per each selector pad
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
/* Data probe cb to drop everything but count buffers and events */
static GstProbeReturn
probe_cb (GstPad * pad, GstProbeType type, GstMiniObject * obj,
gpointer user_data)
{
gint count = 0;
const gchar *count_type = NULL;
GST_LOG_OBJECT (pad, "got data");
if (GST_IS_BUFFER (obj)) {
count_type = "buffer_count";
} else if (GST_IS_EVENT (obj)) {
count_type = "event_count";
} else {
g_assert_not_reached ();
}
/* increment and store count */
count = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (pad), count_type));
count++;
g_object_set_data (G_OBJECT (pad), count_type, GINT_TO_POINTER (count));
/* drop everything */
return GST_PROBE_DROP;
}
/* Create and link output pad: selector:src%d ! output_pad */
static GstPad *
setup_output_pad (GstElement * element, GstStaticPadTemplate * tmpl)
{
GstPad *srcpad = NULL, *output_pad = NULL;
gulong probe_id = 0;
if (tmpl == NULL)
tmpl = &sinktemplate;
/* create output_pad */
output_pad = gst_pad_new_from_static_template (tmpl, "sink");
fail_if (output_pad == NULL, "Could not create a output_pad");
/* add probe */
probe_id =
gst_pad_add_probe (output_pad, GST_PROBE_TYPE_DATA,
(GstPadProbeCallback) probe_cb, NULL, NULL);
g_object_set_data (G_OBJECT (output_pad), "probe_id",
GINT_TO_POINTER (probe_id));
/* request src pad */
srcpad = gst_element_get_request_pad (element, "src%d");
fail_if (srcpad == NULL, "Could not get source pad from %s",
GST_ELEMENT_NAME (element));
/* link pads and activate */
fail_unless (gst_pad_link (srcpad, output_pad) == GST_PAD_LINK_OK,
"Could not link %s source and output pad", GST_ELEMENT_NAME (element));
gst_pad_set_active (output_pad, TRUE);
GST_DEBUG_OBJECT (output_pad, "set up %" GST_PTR_FORMAT " ! %" GST_PTR_FORMAT,
srcpad, output_pad);
gst_object_unref (srcpad);
ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1);
return output_pad;
}
/* Clean up output/input pad and respective selector request pad */
static void
cleanup_pad (GstPad * pad, GstElement * element)
{
GstPad *selpad = NULL;
guint probe_id = 0;
fail_if (pad == NULL, "pad doesn't exist");
/* remove probe if necessary */
probe_id = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (pad), "probe_id"));
if (probe_id)
gst_pad_remove_probe (pad, probe_id);
/* unlink */
selpad = gst_pad_get_peer (pad);
if (GST_PAD_DIRECTION (selpad) == GST_PAD_SRC) {
gst_pad_unlink (selpad, pad);
} else {
gst_pad_unlink (pad, selpad);
}
GST_DEBUG_OBJECT (pad, "clean up %" GST_PTR_FORMAT " and %" GST_PTR_FORMAT,
selpad, pad);
/* cleanup the pad */
gst_pad_set_active (pad, FALSE);
ASSERT_OBJECT_REFCOUNT (pad, "pad", 1);
gst_object_unref (pad);
/* cleanup selector pad, reffed by this function (_get_peer) and creator */
gst_element_release_request_pad (element, selpad);
gst_object_unref (selpad);
}
/* Duplicate and push given buffer many times to all input_pads */
static void
push_input_buffers (GList * input_pads, GstBuffer * buf, gint num_buffers)
{
GstBuffer *buf_in = NULL;
GList *l = input_pads;
GstPad *input_pad;
gint i = 0;
while (l != NULL) {
input_pad = l->data;
GST_DEBUG_OBJECT (input_pad, "pushing %d buffers to %" GST_PTR_FORMAT,
num_buffers, input_pad);
for (i = 0; i < num_buffers; i++) {
buf_in = gst_buffer_copy (buf);
fail_unless (gst_pad_push (input_pad, buf_in) == GST_FLOW_OK,
"pushing buffer failed");
}
l = g_list_next (l);
}
}
/* Check that received buffers count match to expected buffers */
static void
count_output_buffers (GList * output_pads, gint expected_buffers)
{
gint count = 0;
GList *l = output_pads;
GstPad *output_pad = NULL;
while (l != NULL) {
output_pad = l->data;
count =
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (output_pad),
"buffer_count"));
GST_DEBUG_OBJECT (output_pad, "received %d buffers", count);
fail_unless (count == expected_buffers,
"received/expected buffer count doesn't match %d/%d", count,
expected_buffers);
count =
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (output_pad),
"event_count"));
GST_DEBUG_OBJECT (output_pad, "received %d events", count);
l = g_list_next (l);
}
}
/* Set selector active pad */
static void
selector_set_active_pad (GstElement * elem, GstPad * selpad)
{
gchar *padname = NULL;
if (selpad) {
padname = gst_pad_get_name (selpad);
}
g_object_set (G_OBJECT (elem), "active-pad", selpad, NULL);
GST_DEBUG_OBJECT (elem, "activated selector pad: %s", GST_STR_NULL (padname));
g_free (padname);
}
/* Push buffers and switch for each selector pad */
static void
push_switched_buffers (GList * input_pads,
GstElement * elem, GList * peer_pads, gint num_buffers)
{
GstBuffer *buf = NULL;
GstCaps *caps = NULL;
GList *l = peer_pads;
GstPad *selpad = NULL;
/* setup dummy buffer */
caps = gst_caps_from_string ("application/x-unknown");
buf = gst_buffer_new_and_alloc (1);
while (l != NULL) {
/* set selector pad */
selpad = gst_pad_get_peer (GST_PAD (l->data));
selector_set_active_pad (elem, selpad);
if (selpad) {
gst_object_unref (selpad);
}
/* push buffers */
push_input_buffers (input_pads, buf, num_buffers);
/* switch to next selector pad */
l = g_list_next (l);
}
/* cleanup buffer */
gst_buffer_unref (buf);
gst_caps_unref (caps);
}
/* Create output-selector with given number of src pads and switch
given number of input buffers to each src pad.
*/
static void
run_output_selector_buffer_count (gint num_output_pads,
gint num_buffers_per_output)
{
/* setup input_pad ! selector ! output_pads */
gint i = 0;
GList *output_pads = NULL, *input_pads = NULL;
GstElement *sel = gst_check_setup_element ("output-selector");
GstPad *input_pad = gst_check_setup_src_pad (sel, &srctemplate, NULL);
input_pads = g_list_append (input_pads, input_pad);
gst_pad_set_active (input_pad, TRUE);
for (i = 0; i < num_output_pads; i++) {
output_pads = g_list_append (output_pads, setup_output_pad (sel, NULL));
}
/* run the test */
fail_unless (gst_element_set_state (sel,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
push_switched_buffers (input_pads, sel, output_pads, num_buffers_per_output);
count_output_buffers (output_pads, num_buffers_per_output);
fail_unless (gst_element_set_state (sel,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
/* cleanup input_pad, selector and output_pads */
gst_pad_set_active (input_pad, FALSE);
gst_check_teardown_src_pad (sel);
g_list_foreach (output_pads, (GFunc) cleanup_pad, sel);
g_list_free (output_pads);
g_list_free (input_pads);
gst_check_teardown_element (sel);
}
/* Create and link input pad: input_pad ! selector:sink%d */
static GstPad *
setup_input_pad (GstElement * element)
{
GstPad *sinkpad = NULL, *input_pad = NULL;
/* create input_pad */
input_pad = gst_pad_new_from_static_template (&srctemplate, "src");
fail_if (input_pad == NULL, "Could not create a input_pad");
/* request sink pad */
sinkpad = gst_element_get_request_pad (element, "sink%d");
fail_if (sinkpad == NULL, "Could not get sink pad from %s",
GST_ELEMENT_NAME (element));
/* link pads and activate */
fail_unless (gst_pad_link (input_pad, sinkpad) == GST_PAD_LINK_OK,
"Could not link input_pad and %s sink", GST_ELEMENT_NAME (element));
gst_pad_set_active (input_pad, TRUE);
GST_DEBUG_OBJECT (input_pad, "set up %" GST_PTR_FORMAT " ! %" GST_PTR_FORMAT,
input_pad, sinkpad);
gst_object_unref (sinkpad);
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1);
return input_pad;
}
/* Create input-selector with given number of sink pads and switch
given number of input buffers to each sink pad.
*/
static void
run_input_selector_buffer_count (gint num_input_pads,
gint num_buffers_per_input)
{
/* set up input_pads ! selector ! output_pad */
gint i = 0, probe_id = 0;
GList *input_pads = NULL, *output_pads = NULL;
GstElement *sel = gst_check_setup_element ("input-selector");
GstPad *output_pad = gst_check_setup_sink_pad (sel, &sinktemplate, NULL);
output_pads = g_list_append (output_pads, output_pad);
gst_pad_set_active (output_pad, TRUE);
for (i = 0; i < num_input_pads; i++) {
input_pads = g_list_append (input_pads, setup_input_pad (sel));
}
/* add probe */
probe_id =
gst_pad_add_probe (output_pad, GST_PROBE_TYPE_DATA,
(GstPadProbeCallback) probe_cb, NULL, NULL);
g_object_set_data (G_OBJECT (output_pad), "probe_id",
GINT_TO_POINTER (probe_id));
/* run the test */
fail_unless (gst_element_set_state (sel,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
push_switched_buffers (input_pads, sel, input_pads, num_buffers_per_input);
count_output_buffers (output_pads, (num_input_pads * num_buffers_per_input));
fail_unless (gst_element_set_state (sel,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
/* clean up */
gst_pad_remove_probe (output_pad, probe_id);
gst_pad_set_active (output_pad, FALSE);
gst_check_teardown_sink_pad (sel);
GST_DEBUG ("setting selector pad to NULL");
selector_set_active_pad (sel, NULL); // unref input-selector active pad
g_list_foreach (input_pads, (GFunc) cleanup_pad, sel);
g_list_free (input_pads);
g_list_free (output_pads);
gst_check_teardown_element (sel);
}
/* Push buffers to input pad and check the
amount of buffers arrived to output pads */
GST_START_TEST (test_output_selector_buffer_count);
{
gint i, j;
for (i = 0; i < NUM_SELECTOR_PADS; i++) {
for (j = 0; j < NUM_INPUT_BUFFERS; j++) {
run_output_selector_buffer_count (i, j);
}
}
}
GST_END_TEST;
/* Push buffers to input pads and check the
amount of buffers arrived to output pad */
GST_START_TEST (test_input_selector_buffer_count);
{
gint i, j;
for (i = 0; i < NUM_SELECTOR_PADS; i++) {
for (j = 0; j < NUM_INPUT_BUFFERS; j++) {
run_input_selector_buffer_count (i, j);
}
}
}
GST_END_TEST;
GST_START_TEST (test_output_selector_no_srcpad_negotiation);
{
GstElement *sel;
GstCaps *caps;
GstPad *pad;
gint i;
sel = gst_element_factory_make ("output-selector", NULL);
fail_unless (sel != NULL);
pad = gst_element_get_static_pad (sel, "sink");
fail_unless (pad != NULL);
fail_unless (gst_element_set_state (sel,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
for (i = 0; i <= 2; i++) {
/* regardless of pad-negotiation-mode, getcaps should return ANY and
* setcaps should accept any caps when there are no srcpads */
g_object_set (sel, "pad-negotiation-mode", i, NULL);
caps = gst_pad_get_caps (pad, NULL);
fail_unless (gst_caps_is_any (caps));
gst_caps_unref (caps);
caps = gst_caps_new_simple ("mymedia/mycaps", NULL);
fail_unless (gst_pad_set_caps (pad, caps));
gst_caps_unref (caps);
}
fail_unless (gst_element_set_state (sel,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
gst_object_unref (pad);
gst_object_unref (sel);
}
GST_END_TEST;
GstElement *sel;
GstPad *input_pad;
GList *output_pads = NULL; /* list of sinkpads linked to output-selector */
#define OUTPUT_SELECTOR_NUM_PADS 2
static GstStaticPadTemplate sinktmpl_nego_a = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("format/abc; format/xyz"));
static GstStaticPadTemplate sinktmpl_nego_b = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("format/abc"));
static void
setup_output_selector (void)
{
sel = gst_check_setup_element ("output-selector");
input_pad = gst_check_setup_src_pad (sel, &srctemplate, NULL);
gst_pad_set_active (input_pad, TRUE);
output_pads = g_list_append (output_pads, setup_output_pad (sel,
&sinktmpl_nego_a));
output_pads = g_list_append (output_pads, setup_output_pad (sel,
&sinktmpl_nego_b));
}
static void
teardown_output_selector (void)
{
gst_pad_set_active (input_pad, FALSE);
gst_object_unref (input_pad);
gst_check_teardown_src_pad (sel);
g_list_foreach (output_pads, (GFunc) cleanup_pad, sel);
g_list_free (output_pads);
gst_check_teardown_element (sel);
output_pads = NULL;
}
GST_START_TEST (test_output_selector_getcaps_none);
{
GList *walker;
/* set pad negotiation mode to none */
g_object_set (sel, "pad-negotiation-mode", 0, NULL);
fail_unless (gst_element_set_state (sel,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
for (walker = output_pads; walker; walker = g_list_next (walker)) {
GstCaps *caps;
GstPad *pad;
pad = gst_pad_get_peer ((GstPad *) walker->data);
g_object_set (sel, "active-pad", pad, NULL);
caps = gst_pad_peer_get_caps (input_pad, NULL);
/* in 'none' mode, the getcaps returns the template, which is ANY */
g_assert (gst_caps_is_any (caps));
gst_caps_unref (caps);
gst_object_unref (pad);
}
fail_unless (gst_element_set_state (sel,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
}
GST_END_TEST;
GST_START_TEST (test_output_selector_getcaps_all);
{
GList *walker;
GstCaps *expected;
/* set pad negotiation mode to 'all' */
g_object_set (sel, "pad-negotiation-mode", 1, NULL);
fail_unless (gst_element_set_state (sel,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
/* in 'all' mode, the intersection of the srcpad caps should be returned on
* the sinkpad's getcaps */
expected = gst_caps_new_simple ("format/abc", NULL);
for (walker = output_pads; walker; walker = g_list_next (walker)) {
GstCaps *caps;
GstPad *pad;
pad = gst_pad_get_peer ((GstPad *) walker->data);
g_object_set (sel, "active-pad", pad, NULL);
caps = gst_pad_peer_get_caps (input_pad, NULL);
g_assert (gst_caps_is_equal (caps, expected));
gst_caps_unref (caps);
gst_object_unref (pad);
}
gst_caps_unref (expected);
fail_unless (gst_element_set_state (sel,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
}
GST_END_TEST;
GST_START_TEST (test_output_selector_getcaps_active);
{
GList *walker;
GstCaps *expected;
/* set pad negotiation mode to 'active' */
g_object_set (sel, "pad-negotiation-mode", 2, NULL);
fail_unless (gst_element_set_state (sel,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
for (walker = output_pads; walker; walker = g_list_next (walker)) {
GstCaps *caps;
GstPad *pad;
pad = gst_pad_get_peer ((GstPad *) walker->data);
g_object_set (sel, "active-pad", pad, NULL);
/* in 'active' mode, the active srcpad peer's caps should be returned on
* the sinkpad's getcaps */
expected = gst_pad_template_get_caps (gst_pad_get_pad_template ((GstPad *)
walker->data));
caps = gst_pad_peer_get_caps (input_pad, NULL);
g_assert (gst_caps_is_equal (caps, expected));
gst_caps_unref (caps);
gst_caps_unref (expected);
gst_object_unref (pad);
}
fail_unless (gst_element_set_state (sel,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
}
GST_END_TEST;
static Suite *
selector_suite (void)
{
Suite *s = suite_create ("selector");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_output_selector_buffer_count);
tcase_add_test (tc_chain, test_input_selector_buffer_count);
tcase_add_test (tc_chain, test_output_selector_no_srcpad_negotiation);
tc_chain = tcase_create ("output-selector-negotiation");
tcase_add_checked_fixture (tc_chain, setup_output_selector,
teardown_output_selector);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_output_selector_getcaps_none);
tcase_add_test (tc_chain, test_output_selector_getcaps_all);
tcase_add_test (tc_chain, test_output_selector_getcaps_active);
return s;
}
GST_CHECK_MAIN (selector);