gstreamer/tests/check/gst/gstpad.c
2011-12-28 15:30:31 +01:00

1362 lines
37 KiB
C

/* GStreamer
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
*
* gstpad.c: Unit test for GstPad
*
* 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>
GST_START_TEST (test_link)
{
GstPad *src, *sink;
GstPadTemplate *srct;
GstPadLinkReturn ret;
gchar *name;
src = gst_pad_new ("source", GST_PAD_SRC);
fail_if (src == NULL);
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
name = gst_pad_get_name (src);
fail_unless (strcmp (name, "source") == 0);
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
g_free (name);
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
/* linking without templates or caps should fail */
ret = gst_pad_link (src, sink);
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink pad", 1);
fail_unless (ret == GST_PAD_LINK_NOFORMAT);
ASSERT_CRITICAL (gst_pad_get_pad_template (NULL));
srct = gst_pad_get_pad_template (src);
fail_unless (srct == NULL);
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
/* clean up */
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
gst_object_unref (src);
gst_object_unref (sink);
}
GST_END_TEST;
/* threaded link/unlink */
/* use globals */
static GstPad *src, *sink;
static void
thread_link_unlink (gpointer data)
{
THREAD_START ();
while (THREAD_TEST_RUNNING ()) {
gst_pad_link (src, sink);
gst_pad_unlink (src, sink);
THREAD_SWITCH ();
}
}
GST_START_TEST (test_link_unlink_threaded)
{
GstCaps *caps;
int i;
src = gst_pad_new ("source", GST_PAD_SRC);
fail_if (src == NULL);
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
caps = gst_caps_from_string ("foo/bar");
gst_pad_set_active (src, TRUE);
gst_pad_set_caps (src, caps);
gst_pad_set_active (sink, TRUE);
gst_pad_set_caps (sink, caps);
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
MAIN_START_THREADS (5, thread_link_unlink, NULL);
for (i = 0; i < 1000; ++i) {
gst_pad_is_linked (src);
gst_pad_is_linked (sink);
THREAD_SWITCH ();
}
MAIN_STOP_THREADS ();
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
gst_caps_unref (caps);
ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
gst_object_unref (src);
gst_object_unref (sink);
}
GST_END_TEST;
GST_START_TEST (test_refcount)
{
GstPad *src, *sink;
GstCaps *caps;
GstPadLinkReturn plr;
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_caps_from_string ("foo/bar");
/* one for me */
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
/* can't set caps on flushing sinkpad */
fail_if (gst_pad_set_caps (src, caps) == TRUE);
fail_if (gst_pad_set_caps (sink, caps) == TRUE);
/* one for me and one for each set_caps */
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_pad_set_active (src, TRUE);
fail_unless (gst_pad_set_caps (src, caps) == TRUE);
ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
gst_pad_set_active (sink, TRUE);
fail_unless (gst_pad_set_caps (sink, caps) == TRUE);
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
/* src caps added to pending caps on sink */
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
gst_pad_unlink (src, sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
/* cleanup */
gst_object_unref (src);
gst_object_unref (sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_get_allowed_caps)
{
GstPad *src, *sink;
GstCaps *caps, *gotcaps;
GstBuffer *buffer;
GstPadLinkReturn plr;
ASSERT_CRITICAL (gst_pad_get_allowed_caps (NULL));
buffer = gst_buffer_new ();
ASSERT_CRITICAL (gst_pad_get_allowed_caps ((GstPad *) buffer));
gst_buffer_unref (buffer);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_pad_get_allowed_caps (src);
fail_unless (caps == NULL);
caps = gst_caps_from_string ("foo/bar");
sink = gst_pad_new ("sink", GST_PAD_SINK);
gst_pad_set_active (src, TRUE);
/* source pad is active and will accept the caps event */
fail_unless (gst_pad_set_caps (src, caps) == TRUE);
/* sink pad is not active and will refuse the caps event */
fail_if (gst_pad_set_caps (sink, caps) == TRUE);
ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
gst_pad_set_active (sink, TRUE);
/* sink pad is now active and will accept the caps event */
fail_unless (gst_pad_set_caps (sink, caps) == TRUE);
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
gotcaps = gst_pad_get_allowed_caps (src);
fail_if (gotcaps == NULL);
fail_unless (gst_caps_is_equal (gotcaps, caps));
ASSERT_CAPS_REFCOUNT (gotcaps, "gotcaps", 1);
gst_caps_unref (gotcaps);
gst_pad_unlink (src, sink);
/* cleanup */
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
gst_object_unref (src);
gst_object_unref (sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
static GstCaps *event_caps = NULL;
static gboolean
sticky_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstCaps *caps;
fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_CAPS);
/* Ensure we get here just once: */
fail_unless (event_caps == NULL);
/* The event must arrive before any buffer: */
fail_unless_equals_int (g_list_length (buffers), 0);
gst_event_parse_caps (event, &caps);
event_caps = gst_caps_ref (caps);
gst_event_unref (event);
return TRUE;
}
/* Tests whether caps get properly forwarded when pads
are initially unlinked */
GST_START_TEST (test_sticky_caps_unlinked)
{
GstCaps *caps;
GstPadTemplate *src_template, *sink_template;
GstPad *src, *sink;
GstEvent *event;
caps = gst_caps_from_string ("foo/bar, dummy=(int){1, 2}");
src_template = gst_pad_template_new ("src", GST_PAD_SRC,
GST_PAD_ALWAYS, caps);
sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
GST_PAD_ALWAYS, caps);
gst_caps_unref (caps);
src = gst_pad_new_from_template (src_template, "src");
fail_if (src == NULL);
sink = gst_pad_new_from_template (sink_template, "sink");
fail_if (sink == NULL);
gst_pad_set_event_function (sink, sticky_event);
gst_pad_set_chain_function (sink, gst_check_chain_func);
gst_object_unref (src_template);
gst_object_unref (sink_template);
caps = gst_caps_from_string ("foo/bar, dummy=(int)1");
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
event = gst_event_new_caps (caps);
gst_pad_set_active (src, TRUE);
fail_unless (gst_pad_push_event (src, event) == TRUE);
fail_unless (event_caps == NULL);
/* Linking and activating will not forward the sticky event yet... */
fail_unless (GST_PAD_LINK_SUCCESSFUL (gst_pad_link (src, sink)));
gst_pad_set_active (sink, TRUE);
fail_unless (event_caps == NULL);
/* ...but the first buffer will: */
fail_unless (gst_pad_push (src, gst_buffer_new ()) == GST_FLOW_OK);
fail_unless (event_caps == caps);
fail_unless_equals_int (g_list_length (buffers), 1);
gst_caps_replace (&caps, NULL);
gst_caps_replace (&event_caps, NULL);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
gst_object_unref (src);
gst_object_unref (sink);
}
GST_END_TEST;
/* Same as test_sticky_caps_unlinked except that the source pad
* has a template of ANY and we will attempt to push
* incompatible caps */
GST_START_TEST (test_sticky_caps_unlinked_incompatible)
{
GstCaps *caps, *failcaps;
GstPadTemplate *src_template, *sink_template;
GstPad *src, *sink;
GstEvent *event;
/* Source pad has ANY caps
* Sink pad has foobar caps
* We will push the pony express caps (which should fail)
*/
caps = gst_caps_new_any ();
src_template = gst_pad_template_new ("src", GST_PAD_SRC,
GST_PAD_ALWAYS, caps);
gst_caps_unref (caps);
caps = gst_caps_from_string ("foo/bar, dummy=(int){1, 2}");
sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
GST_PAD_ALWAYS, caps);
gst_caps_unref (caps);
src = gst_pad_new_from_template (src_template, "src");
fail_if (src == NULL);
sink = gst_pad_new_from_template (sink_template, "sink");
fail_if (sink == NULL);
gst_pad_set_event_function (sink, sticky_event);
gst_pad_set_chain_function (sink, gst_check_chain_func);
gst_object_unref (src_template);
gst_object_unref (sink_template);
failcaps = gst_caps_from_string ("pony/express, failure=(boolean)true");
ASSERT_CAPS_REFCOUNT (failcaps, "caps", 1);
event = gst_event_new_caps (failcaps);
gst_caps_unref (failcaps);
gst_pad_set_active (src, TRUE);
/* The pad isn't linked yet, and anything matches the source pad template
* (which is ANY) */
fail_unless (gst_pad_push_event (src, event) == TRUE);
fail_unless (event_caps == NULL);
/* Linking and activating will not forward the sticky event yet... */
fail_unless (GST_PAD_LINK_SUCCESSFUL (gst_pad_link (src, sink)));
gst_pad_set_active (sink, TRUE);
fail_unless (event_caps == NULL);
/* ...but the first buffer will and should FAIL since the caps
* are not compatible */
fail_unless (gst_pad_push (src,
gst_buffer_new ()) == GST_FLOW_NOT_NEGOTIATED);
/* We shouldn't have received the caps event since it's incompatible */
fail_unless (event_caps == NULL);
/* We shouldn't have received any buffers since caps are incompatible */
fail_unless_equals_int (g_list_length (buffers), 0);
gst_caps_replace (&event_caps, NULL);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
gst_object_unref (src);
gst_object_unref (sink);
}
GST_END_TEST;
/* Like test_sticky_caps_unlinked, but link before caps: */
GST_START_TEST (test_sticky_caps_flushing)
{
GstCaps *caps;
GstPadTemplate *src_template, *sink_template;
GstPad *src, *sink;
GstEvent *event;
caps = gst_caps_from_string ("foo/bar, dummy=(int){1, 2}");
src_template = gst_pad_template_new ("src", GST_PAD_SRC,
GST_PAD_ALWAYS, caps);
sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
GST_PAD_ALWAYS, caps);
gst_caps_unref (caps);
src = gst_pad_new_from_template (src_template, "src");
fail_if (src == NULL);
sink = gst_pad_new_from_template (sink_template, "sink");
fail_if (sink == NULL);
gst_pad_set_event_function (sink, sticky_event);
gst_pad_set_chain_function (sink, gst_check_chain_func);
gst_object_unref (src_template);
gst_object_unref (sink_template);
fail_unless (GST_PAD_LINK_SUCCESSFUL (gst_pad_link (src, sink)));
caps = gst_caps_from_string ("foo/bar, dummy=(int)1");
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
event = gst_event_new_caps (caps);
gst_pad_set_active (src, TRUE);
/* The caps event gets accepted by the source pad (and stored) */
fail_unless (gst_pad_push_event (src, event) == TRUE);
/* But wasn't forwarded since the sink pad is flushing (not activated) */
fail_unless (event_caps == NULL);
/* Activating will not forward the sticky event yet... */
gst_pad_set_active (sink, TRUE);
fail_unless (event_caps == NULL);
/* ...but the first buffer will: */
fail_unless (gst_pad_push (src, gst_buffer_new ()) == GST_FLOW_OK);
fail_unless (event_caps == caps);
fail_unless_equals_int (g_list_length (buffers), 1);
gst_caps_replace (&caps, NULL);
gst_caps_replace (&event_caps, NULL);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
gst_object_unref (src);
gst_object_unref (sink);
}
GST_END_TEST;
static gboolean
name_is_valid (const gchar * name, GstPadPresence presence)
{
GstPadTemplate *new;
GstCaps *any = gst_caps_new_any ();
new = gst_pad_template_new (name, GST_PAD_SRC, presence, any);
gst_caps_unref (any);
if (new) {
gst_object_unref (GST_OBJECT (new));
return TRUE;
}
return FALSE;
}
GST_START_TEST (test_name_is_valid)
{
gboolean result = FALSE;
fail_unless (name_is_valid ("src", GST_PAD_ALWAYS));
ASSERT_WARNING (name_is_valid ("src%", GST_PAD_ALWAYS));
ASSERT_WARNING (result = name_is_valid ("src%d", GST_PAD_ALWAYS));
fail_if (result);
fail_unless (name_is_valid ("src", GST_PAD_REQUEST));
ASSERT_WARNING (name_is_valid ("src%s%s", GST_PAD_REQUEST));
ASSERT_WARNING (name_is_valid ("src%c", GST_PAD_REQUEST));
ASSERT_WARNING (name_is_valid ("src%", GST_PAD_REQUEST));
ASSERT_WARNING (name_is_valid ("src%dsrc", GST_PAD_REQUEST));
fail_unless (name_is_valid ("src", GST_PAD_SOMETIMES));
fail_unless (name_is_valid ("src%c", GST_PAD_SOMETIMES));
}
GST_END_TEST;
static GstPadProbeReturn
_probe_handler (GstPad * pad, GstPadProbeInfo * info, gpointer userdata)
{
gint ret = GPOINTER_TO_INT (userdata);
if (ret == 1)
return GST_PAD_PROBE_OK;
return GST_PAD_PROBE_DROP;
}
GST_START_TEST (test_push_unlinked)
{
GstPad *src;
GstCaps *caps;
GstBuffer *buffer;
gulong id;
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_pad_get_allowed_caps (src);
fail_unless (caps == NULL);
caps = gst_caps_from_string ("foo/bar");
/* pushing on an inactive pad will return wrong state */
GST_DEBUG ("push buffer inactive");
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_WRONG_STATE);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
gst_pad_set_active (src, TRUE);
GST_DEBUG ("push caps event inactive");
gst_pad_set_caps (src, caps);
ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
/* pushing on an unlinked pad will drop the buffer */
GST_DEBUG ("push buffer unlinked");
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_NOT_LINKED);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
/* adding a probe that returns _DROP will drop the buffer without trying
* to chain */
GST_DEBUG ("push buffer drop");
id = gst_pad_add_probe (src, GST_PAD_PROBE_TYPE_BUFFER,
_probe_handler, GINT_TO_POINTER (0), NULL);
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
gst_pad_remove_probe (src, id);
/* adding a probe that returns _OK will still chain the buffer,
* and hence drop because pad is unlinked */
GST_DEBUG ("push buffer ok");
id = gst_pad_add_probe (src, GST_PAD_PROBE_TYPE_BUFFER,
_probe_handler, GINT_TO_POINTER (1), NULL);
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_NOT_LINKED);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
gst_pad_remove_probe (src, id);
/* cleanup */
ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
gst_object_unref (src);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_push_linked)
{
GstPad *src, *sink;
GstPadLinkReturn plr;
GstCaps *caps;
GstBuffer *buffer;
gulong id;
/* setup */
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
gst_pad_set_chain_function (sink, gst_check_chain_func);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_caps_from_string ("foo/bar");
/* one for me */
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_pad_set_active (src, TRUE);
gst_pad_set_caps (src, caps);
gst_pad_set_active (sink, TRUE);
gst_pad_set_caps (sink, caps);
/* one for me and one for each set_caps */
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
buffer = gst_buffer_new ();
/* test */
/* pushing on a linked pad will drop the ref to the buffer */
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 2);
gst_buffer_unref (buffer);
fail_unless_equals_int (g_list_length (buffers), 1);
buffer = GST_BUFFER (buffers->data);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
g_list_free (buffers);
buffers = NULL;
/* adding a probe that returns FALSE will drop the buffer without trying
* to chain */
id = gst_pad_add_probe (src, GST_PAD_PROBE_TYPE_BUFFER,
_probe_handler, GINT_TO_POINTER (0), NULL);
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
gst_pad_remove_probe (src, id);
fail_unless_equals_int (g_list_length (buffers), 0);
/* adding a probe that returns TRUE will still chain the buffer */
id = gst_pad_add_probe (src, GST_PAD_PROBE_TYPE_BUFFER,
_probe_handler, GINT_TO_POINTER (1), NULL);
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
gst_pad_remove_probe (src, id);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 2);
gst_buffer_unref (buffer);
fail_unless_equals_int (g_list_length (buffers), 1);
buffer = GST_BUFFER (buffers->data);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
g_list_free (buffers);
buffers = NULL;
/* teardown */
gst_pad_unlink (src, sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
gst_object_unref (src);
gst_object_unref (sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_push_linked_flushing)
{
GstPad *src, *sink;
GstCaps *caps;
GstPadLinkReturn plr;
GstBuffer *buffer;
gulong id;
/* setup */
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
gst_pad_set_chain_function (sink, gst_check_chain_func);
caps = gst_pad_get_allowed_caps (src);
fail_unless (caps == NULL);
caps = gst_pad_get_allowed_caps (sink);
fail_unless (caps == NULL);
caps = gst_caps_from_string ("foo/bar");
/* one for me */
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_pad_set_active (src, TRUE);
gst_pad_set_caps (src, caps);
/* need to activate to make it accept the caps */
gst_pad_set_active (sink, TRUE);
gst_pad_set_caps (sink, caps);
/* one for me and one for each set_caps */
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
/* not activating the pads here, which keeps them flushing */
gst_pad_set_active (src, FALSE);
gst_pad_set_active (sink, FALSE);
/* pushing on a flushing pad will drop the buffer */
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_WRONG_STATE);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
gst_buffer_unref (buffer);
gst_pad_set_active (src, TRUE);
gst_pad_set_active (sink, FALSE);
/* adding a probe that returns FALSE will drop the buffer without trying
* to chain */
id = gst_pad_add_probe (src, GST_PAD_PROBE_TYPE_BUFFER, _probe_handler,
GINT_TO_POINTER (0), NULL);
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
gst_buffer_unref (buffer);
gst_pad_remove_probe (src, id);
/* adding a probe that returns TRUE will still chain the buffer,
* and hence drop because pad is flushing */
id = gst_pad_add_probe (src, GST_PAD_PROBE_TYPE_BUFFER, _probe_handler,
GINT_TO_POINTER (1), NULL);
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_WRONG_STATE);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
gst_buffer_unref (buffer);
gst_pad_remove_probe (src, id);
/* cleanup */
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
gst_pad_link (src, sink);
gst_object_unref (src);
gst_object_unref (sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
static GstBuffer *
buffer_from_string (const gchar * str)
{
guint size;
GstBuffer *buf;
gpointer data;
size = strlen (str);
buf = gst_buffer_new_and_alloc (size);
data = gst_buffer_map (buf, NULL, NULL, GST_MAP_WRITE);
memcpy (data, str, size);
gst_buffer_unmap (buf, data, size);
return buf;
}
static gboolean
buffer_compare (GstBuffer * buf, const gchar * str, gsize size)
{
gboolean res;
gpointer data;
data = gst_buffer_map (buf, NULL, NULL, GST_MAP_READ);
res = memcmp (data, str, size) == 0;
GST_DEBUG ("%s <-> %s: %d", (gchar *) data, str, res);
gst_buffer_unmap (buf, data, size);
return res;
}
GST_START_TEST (test_push_buffer_list_compat)
{
GstPad *src, *sink;
GstPadLinkReturn plr;
GstCaps *caps;
GstBufferList *list;
GstBuffer *buffer;
/* setup */
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
gst_pad_set_chain_function (sink, gst_check_chain_func);
/* leave chainlistfunc unset */
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_caps_from_string ("foo/bar");
gst_pad_set_active (src, TRUE);
gst_pad_set_caps (src, caps);
gst_pad_set_active (sink, TRUE);
gst_pad_set_caps (sink, caps);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
list = gst_buffer_list_new ();
/* test */
/* adding to a buffer list will drop the ref to the buffer */
gst_buffer_list_add (list, buffer_from_string ("ListGroup"));
gst_buffer_list_add (list, buffer_from_string ("AnotherListGroup"));
fail_unless (gst_pad_push_list (src, list) == GST_FLOW_OK);
fail_unless_equals_int (g_list_length (buffers), 2);
buffer = GST_BUFFER (buffers->data);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
fail_unless (buffer_compare (buffer, "ListGroup", 9));
gst_buffer_unref (buffer);
buffers = g_list_delete_link (buffers, buffers);
buffer = GST_BUFFER (buffers->data);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
fail_unless (buffer_compare (buffer, "AnotherListGroup", 16));
gst_buffer_unref (buffer);
buffers = g_list_delete_link (buffers, buffers);
fail_unless (buffers == NULL);
/* teardown */
gst_pad_unlink (src, sink);
gst_object_unref (src);
gst_object_unref (sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_flowreturn)
{
GstFlowReturn ret;
GQuark quark;
/* test some of the macros */
ret = GST_FLOW_EOS;
fail_if (strcmp (gst_flow_get_name (ret), "eos"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "eos"));
/* custom returns */
ret = GST_FLOW_CUSTOM_SUCCESS;
fail_if (strcmp (gst_flow_get_name (ret), "custom-success"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "custom-success"));
ret = GST_FLOW_CUSTOM_ERROR;
fail_if (strcmp (gst_flow_get_name (ret), "custom-error"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "custom-error"));
/* custom returns clamping */
ret = GST_FLOW_CUSTOM_SUCCESS + 2;
fail_if (strcmp (gst_flow_get_name (ret), "custom-success"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "custom-success"));
ret = GST_FLOW_CUSTOM_ERROR - 2;
fail_if (strcmp (gst_flow_get_name (ret), "custom-error"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "custom-error"));
/* unknown values */
ret = GST_FLOW_CUSTOM_ERROR + 2;
fail_if (strcmp (gst_flow_get_name (ret), "unknown"));
quark = gst_flow_to_quark (ret);
fail_unless (quark == 0);
}
GST_END_TEST;
GST_START_TEST (test_push_negotiation)
{
GstPad *src, *sink;
GstPadLinkReturn plr;
GstCaps *srccaps =
gst_caps_from_string ("audio/x-raw-int,width={16,32},depth={16,32}");
GstCaps *sinkcaps =
gst_caps_from_string ("audio/x-raw-int,width=32,depth={16,32}");
GstPadTemplate *src_template;
GstPadTemplate *sink_template;
GstCaps *caps;
/* setup */
src_template = gst_pad_template_new ("src", GST_PAD_SRC,
GST_PAD_ALWAYS, srccaps);
sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
GST_PAD_ALWAYS, sinkcaps);
gst_caps_unref (srccaps);
gst_caps_unref (sinkcaps);
sink = gst_pad_new_from_template (sink_template, "sink");
fail_if (sink == NULL);
gst_pad_set_chain_function (sink, gst_check_chain_func);
src = gst_pad_new_from_template (src_template, "src");
fail_if (src == NULL);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
/* activate pads */
gst_pad_set_active (src, TRUE);
gst_pad_set_active (sink, TRUE);
caps = gst_caps_from_string ("audio/x-raw-int,width=16,depth=16");
/* Should fail if src pad caps are incompatible with sink pad caps */
gst_pad_set_caps (src, caps);
fail_unless (gst_pad_set_caps (sink, caps) == FALSE);
/* teardown */
gst_pad_unlink (src, sink);
gst_object_unref (src);
gst_object_unref (sink);
gst_caps_unref (caps);
gst_object_unref (sink_template);
gst_object_unref (src_template);
}
GST_END_TEST;
/* see that an unref also unlinks the pads */
GST_START_TEST (test_src_unref_unlink)
{
GstPad *src, *sink;
GstCaps *caps;
GstPadLinkReturn plr;
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_caps_from_string ("foo/bar");
gst_pad_set_active (src, TRUE);
gst_pad_set_caps (src, caps);
gst_pad_set_active (sink, TRUE);
gst_pad_set_caps (sink, caps);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
/* unref the srcpad */
gst_object_unref (src);
/* sink should be unlinked now */
fail_if (gst_pad_is_linked (sink));
/* cleanup */
gst_object_unref (sink);
gst_caps_unref (caps);
}
GST_END_TEST;
/* see that an unref also unlinks the pads */
GST_START_TEST (test_sink_unref_unlink)
{
GstPad *src, *sink;
GstCaps *caps;
GstPadLinkReturn plr;
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_caps_from_string ("foo/bar");
gst_pad_set_active (src, TRUE);
gst_pad_set_caps (src, caps);
gst_pad_set_active (sink, TRUE);
gst_pad_set_caps (sink, caps);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
/* unref the sinkpad */
gst_object_unref (sink);
/* src should be unlinked now */
fail_if (gst_pad_is_linked (src));
/* cleanup */
gst_object_unref (src);
gst_caps_unref (caps);
}
GST_END_TEST;
static gulong id;
static GstPadProbeReturn
block_async_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
gboolean *bool_user_data = (gboolean *) user_data;
fail_unless ((info->type & GST_PAD_PROBE_TYPE_BLOCK) != 0);
/* here we should have blocked == 0 unblocked == 0 */
fail_unless (bool_user_data[0] == FALSE);
fail_unless (bool_user_data[1] == FALSE);
bool_user_data[0] = TRUE;
gst_pad_remove_probe (pad, id);
bool_user_data[1] = TRUE;
return GST_PAD_PROBE_OK;
}
GST_START_TEST (test_block_async)
{
GstPad *pad;
/* we set data[0] = TRUE when the pad is blocked, data[1] = TRUE when it's
* unblocked */
gboolean data[2] = { FALSE, FALSE };
pad = gst_pad_new ("src", GST_PAD_SRC);
fail_unless (pad != NULL);
gst_pad_set_active (pad, TRUE);
id = gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BLOCK, block_async_cb, &data,
NULL);
fail_unless (data[0] == FALSE);
fail_unless (data[1] == FALSE);
gst_pad_push (pad, gst_buffer_new ());
gst_object_unref (pad);
}
GST_END_TEST;
static GstPadProbeReturn
block_async_cb_return_ok (GstPad * pad, GstPadProbeInfo * info,
gpointer user_data)
{
return GST_PAD_PROBE_OK;
}
static gpointer
push_buffer_async (GstPad * pad)
{
return GINT_TO_POINTER (gst_pad_push (pad, gst_buffer_new ()));
}
static void
test_pad_blocking_with_type (GstPadProbeType type)
{
GstPad *pad;
GThread *thread;
GstFlowReturn ret;
pad = gst_pad_new ("src", GST_PAD_SRC);
fail_unless (pad != NULL);
gst_pad_set_active (pad, TRUE);
id = gst_pad_add_probe (pad, type, block_async_cb_return_ok, NULL, NULL);
thread = g_thread_create ((GThreadFunc) push_buffer_async, pad, TRUE, NULL);
/* wait for the block */
while (!gst_pad_is_blocking (pad)) {
g_usleep (100000);
}
/* stop with flushing */
gst_pad_push_event (pad, gst_event_new_flush_start ());
/* get return value from push */
ret = GPOINTER_TO_INT (g_thread_join (thread));
/* unflush now */
gst_pad_push_event (pad, gst_event_new_flush_stop (FALSE));
/* must be wrong state */
fail_unless (ret == GST_FLOW_WRONG_STATE);
gst_object_unref (pad);
}
GST_START_TEST (test_pad_blocking_with_probe_type_block)
{
test_pad_blocking_with_type (GST_PAD_PROBE_TYPE_BLOCK);
}
GST_END_TEST;
GST_START_TEST (test_pad_blocking_with_probe_type_blocking)
{
test_pad_blocking_with_type (GST_PAD_PROBE_TYPE_BLOCKING);
}
GST_END_TEST;
#if 0
static void
block_async_second (GstPad * pad, gboolean blocked, gpointer user_data)
{
gst_pad_set_blocked (pad, FALSE, unblock_async_cb, NULL, NULL);
}
static void
block_async_first (GstPad * pad, gboolean blocked, gpointer user_data)
{
static int n_calls = 0;
gboolean *bool_user_data = (gboolean *) user_data;
if (++n_calls > 1)
/* we expect this callback to be called only once */
g_warn_if_reached ();
*bool_user_data = blocked;
/* replace block_async_first with block_async_second so next time the pad is
* blocked the latter should be called */
gst_pad_set_blocked (pad, TRUE, block_async_second, NULL, NULL);
/* unblock temporarily, in the next push block_async_second should be called
*/
gst_pad_push_event (pad, gst_event_new_flush_start ());
}
GST_START_TEST (test_block_async_replace_callback)
{
GstPad *pad;
gboolean blocked;
pad = gst_pad_new ("src", GST_PAD_SRC);
fail_unless (pad != NULL);
gst_pad_set_active (pad, TRUE);
gst_pad_set_blocked (pad, TRUE, block_async_first, &blocked, NULL);
blocked = FALSE;
gst_pad_push (pad, gst_buffer_new ());
fail_unless (blocked == TRUE);
/* block_async_first flushes to unblock */
gst_pad_push_event (pad, gst_event_new_flush_stop ());
/* push again, this time block_async_second should be called */
gst_pad_push (pad, gst_buffer_new ());
fail_unless (blocked == TRUE);
gst_object_unref (pad);
}
GST_END_TEST;
#endif
static void
block_async_full_destroy (gpointer user_data)
{
gint *state = (gint *) user_data;
fail_unless (*state < 2);
GST_DEBUG ("setting state to 2");
*state = 2;
}
static GstPadProbeReturn
block_async_full_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
*(gint *) user_data = (gint) TRUE;
gst_pad_push_event (pad, gst_event_new_flush_start ());
GST_DEBUG ("setting state to 1");
return GST_PAD_PROBE_OK;
}
GST_START_TEST (test_block_async_full_destroy)
{
GstPad *pad;
/* 0 = unblocked, 1 = blocked, 2 = destroyed */
gint state = 0;
gulong id;
pad = gst_pad_new ("src", GST_PAD_SRC);
fail_unless (pad != NULL);
gst_pad_set_active (pad, TRUE);
id = gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BLOCK, block_async_full_cb,
&state, block_async_full_destroy);
fail_unless (state == 0);
gst_pad_push (pad, gst_buffer_new ());
/* block_async_full_cb sets state to 1 and then flushes to unblock temporarily
*/
fail_unless (state == 1);
gst_pad_push_event (pad, gst_event_new_flush_stop (TRUE));
/* unblock callback is called */
gst_pad_remove_probe (pad, id);
fail_unless (state == 2);
gst_object_unref (pad);
}
GST_END_TEST;
GST_START_TEST (test_block_async_full_destroy_dispose)
{
GstPad *pad;
/* 0 = unblocked, 1 = blocked, 2 = destroyed */
gint state = 0;
pad = gst_pad_new ("src", GST_PAD_SRC);
fail_unless (pad != NULL);
gst_pad_set_active (pad, TRUE);
(void) gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BLOCK, block_async_full_cb,
&state, block_async_full_destroy);
gst_pad_push (pad, gst_buffer_new ());
/* block_async_full_cb sets state to 1 and then flushes to unblock temporarily
*/
fail_unless_equals_int (state, 1);
gst_pad_push_event (pad, gst_event_new_flush_stop (TRUE));
/* gst_BLOCK calls the destroy_notify function if necessary */
gst_object_unref (pad);
fail_unless_equals_int (state, 2);
}
GST_END_TEST;
#if 0
static void
unblock_async_no_flush_cb (GstPad * pad, gboolean blocked, gpointer user_data)
{
gboolean *bool_user_data = (gboolean *) user_data;
/* here we should have blocked == 1 unblocked == 0 */
fail_unless (blocked == FALSE);
fail_unless (bool_user_data[0] == TRUE);
fail_unless (bool_user_data[1] == TRUE);
fail_unless (bool_user_data[2] == FALSE);
bool_user_data[2] = TRUE;
}
#endif
#if 0
static void
unblock_async_not_called (GstPad * pad, gboolean blocked, gpointer user_data)
{
g_warn_if_reached ();
}
#endif
static GstPadProbeReturn
block_async_second_no_flush (GstPad * pad, GstPadProbeInfo * info,
gpointer user_data)
{
gboolean *bool_user_data = (gboolean *) user_data;
GST_DEBUG ("second probe called");
fail_unless (info->type & GST_PAD_PROBE_TYPE_BLOCK);
fail_unless (bool_user_data[0] == TRUE);
fail_unless (bool_user_data[1] == FALSE);
fail_unless (bool_user_data[2] == FALSE);
bool_user_data[1] = TRUE;
GST_DEBUG ("removing second probe with id %lu", id);
gst_pad_remove_probe (pad, id);
return GST_PAD_PROBE_OK;
}
static GstPadProbeReturn
block_async_first_no_flush (GstPad * pad, GstPadProbeInfo * info,
gpointer user_data)
{
static int n_calls = 0;
gboolean *bool_user_data = (gboolean *) user_data;
fail_unless (info->type & GST_PAD_PROBE_TYPE_BLOCK);
GST_DEBUG ("first probe called");
if (++n_calls > 1)
/* we expect this callback to be called only once */
g_warn_if_reached ();
*bool_user_data = TRUE;
fail_unless (bool_user_data[0] == TRUE);
fail_unless (bool_user_data[1] == FALSE);
fail_unless (bool_user_data[2] == FALSE);
GST_DEBUG ("removing first probe with id %lu", id);
gst_pad_remove_probe (pad, id);
GST_DEBUG ("adding second probe");
/* replace block_async_first with block_async_second so next time the pad is
* blocked the latter should be called */
id = gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BLOCK,
block_async_second_no_flush, user_data, NULL);
GST_DEBUG ("added probe with id %lu", id);
return GST_PAD_PROBE_OK;
}
GST_START_TEST (test_block_async_replace_callback_no_flush)
{
GstPad *pad;
gboolean bool_user_data[3] = { FALSE, FALSE, FALSE };
pad = gst_pad_new ("src", GST_PAD_SRC);
fail_unless (pad != NULL);
gst_pad_set_active (pad, TRUE);
GST_DEBUG ("adding probe");
id = gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BLOCK,
block_async_first_no_flush, bool_user_data, NULL);
GST_DEBUG ("added probe with id %lu", id);
fail_if (id == 0);
GST_DEBUG ("pushing buffer");
gst_pad_push (pad, gst_buffer_new ());
fail_unless (bool_user_data[0] == TRUE);
fail_unless (bool_user_data[1] == TRUE);
fail_unless (bool_user_data[2] == FALSE);
gst_object_unref (pad);
}
GST_END_TEST;
static Suite *
gst_pad_suite (void)
{
Suite *s = suite_create ("GstPad");
TCase *tc_chain = tcase_create ("general");
/* turn off timeout */
tcase_set_timeout (tc_chain, 60);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_link);
tcase_add_test (tc_chain, test_refcount);
tcase_add_test (tc_chain, test_get_allowed_caps);
tcase_add_test (tc_chain, test_sticky_caps_unlinked);
tcase_add_test (tc_chain, test_sticky_caps_unlinked_incompatible);
tcase_add_test (tc_chain, test_sticky_caps_flushing);
tcase_add_test (tc_chain, test_link_unlink_threaded);
tcase_add_test (tc_chain, test_name_is_valid);
tcase_add_test (tc_chain, test_push_unlinked);
tcase_add_test (tc_chain, test_push_linked);
tcase_add_test (tc_chain, test_push_linked_flushing);
tcase_add_test (tc_chain, test_push_buffer_list_compat);
tcase_add_test (tc_chain, test_flowreturn);
tcase_add_test (tc_chain, test_push_negotiation);
tcase_add_test (tc_chain, test_src_unref_unlink);
tcase_add_test (tc_chain, test_sink_unref_unlink);
tcase_add_test (tc_chain, test_block_async);
tcase_add_test (tc_chain, test_pad_blocking_with_probe_type_block);
tcase_add_test (tc_chain, test_pad_blocking_with_probe_type_blocking);
#if 0
tcase_add_test (tc_chain, test_block_async_replace_callback);
#endif
tcase_add_test (tc_chain, test_block_async_full_destroy);
tcase_add_test (tc_chain, test_block_async_full_destroy_dispose);
tcase_add_test (tc_chain, test_block_async_replace_callback_no_flush);
return s;
}
GST_CHECK_MAIN (gst_pad);