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/* GStreamer
*
* Unit tests for glimagesink
*
* Copyright (C) 2014 Julien Isorce <j.isorce@samsung.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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/check/gstcheck.h>
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGBA"))
);
static GMainLoop *loop = NULL;
static GstElement *sinkelement = NULL;
static GstPad *srcpad = NULL;
/* On OSX it's required to have a main loop running in the
* main thread while using the display connection.
* So the call that use this display connection needs to be
* done in another thread.
* On other platforms a direct call can be done. */
#ifdef __APPLE__
#define DO_CALL(func, data) G_STMT_START { \
GThread *thread = g_thread_new (NULL, \
(GThreadFunc) func, data); \
g_main_loop_run (loop); \
g_thread_join (thread); \
thread = NULL; \
} G_STMT_END
#else
#define DO_CALL(func, data) func (data)
#endif
#define PAD_FUNC(name, type, param, check) \
static gpointer do_##name##_func (type * param) { \
fail_unless (gst_pad_##name (srcpad, param) == check); \
if (loop) \
g_main_loop_quit (loop); \
return NULL; \
}
/* *INDENT-OFF* */
PAD_FUNC (peer_query, GstQuery, query, TRUE)
PAD_FUNC (push, GstBuffer, buf, GST_FLOW_OK)
/* *INDENT-ON* */
static void
setup_glimagesink (void)
{
GstCaps *caps = NULL;
sinkelement = gst_check_setup_element ("glimagesink");
srcpad = gst_check_setup_src_pad (sinkelement, &srctemplate);
gst_pad_set_active (srcpad, TRUE);
caps =
gst_caps_from_string
("video/x-raw, width=320, height=240, format=RGBA, framerate=30/1");
gst_check_setup_events (srcpad, sinkelement, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
}
static void
cleanup_glimagesink (void)
{
gst_element_set_state (sinkelement, GST_STATE_NULL);
gst_element_get_state (sinkelement, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_pad_set_active (srcpad, FALSE);
gst_check_teardown_src_pad (sinkelement);
gst_check_teardown_element (sinkelement);
}
/* Verify that glimagesink releases the buffers it currently
* owns, upon a drain query. */
GST_START_TEST (test_query_drain)
{
GstBuffer *buf = NULL;
GstBufferPool *originpool = NULL;
GstBufferPool *pool = NULL;
GstCaps *caps = NULL;
GstQuery *query = NULL;
GstStructure *config = NULL;
gint i = 0;
guint min = 0;
guint max = 0;
guint size = 0;
const gint maxbuffers = 4;
#ifdef __APPLE__
loop = g_main_loop_new (NULL, FALSE);
#endif
setup_glimagesink ();
/* GstBaseSink handles the drain query as well. */
g_object_set (sinkelement, "enable-last-sample", TRUE, NULL);
ASSERT_SET_STATE (sinkelement, GST_STATE_PLAYING, GST_STATE_CHANGE_ASYNC);
caps = gst_pad_get_current_caps (srcpad);
fail_unless (gst_caps_is_fixed (caps));
/* Let's retreive the GstGLBufferPool to change its min
* and max nb buffers. For that just send an allocation
* query and change the pool config. */
query = gst_query_new_allocation (caps, TRUE);
DO_CALL (do_peer_query_func, query);
fail_unless (gst_query_get_n_allocation_pools (query) == 1);
gst_query_parse_nth_allocation_pool (query, 0, &originpool, &size, &min,
&max);
fail_unless (originpool != NULL);
gst_query_unref (query);
config = gst_buffer_pool_get_config (originpool);
gst_buffer_pool_config_set_params (config, caps, size, maxbuffers,
maxbuffers);
fail_unless (gst_buffer_pool_set_config (originpool, config));
/* The gl pool is setup and ready to be activated. */
fail_unless (gst_buffer_pool_set_active (originpool, TRUE));
/* Let's build an upstream pool that will be feed with
* gl buffers. */
pool = gst_buffer_pool_new ();
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, size, maxbuffers,
maxbuffers);
fail_unless (gst_buffer_pool_set_config (pool, config));
gst_caps_unref (caps);
fail_unless (gst_buffer_pool_set_active (pool, TRUE));
/* Unpopulate the pool and forget about its initial buffers
* It is necessary because the pool has to know there are
* N outstanding buffers. */
for (i = 0; i < maxbuffers; ++i) {
fail_unless (gst_buffer_pool_acquire_buffer (pool, &buf,
NULL) == GST_FLOW_OK);
gst_object_replace ((GstObject **) & buf->pool, NULL);
gst_buffer_unref (buf);
}
/* Transfer buffers from the gl pool to the upstream pool. */
for (i = 0; i < maxbuffers; ++i) {
fail_unless (gst_buffer_pool_acquire_buffer (originpool, &buf,
NULL) == GST_FLOW_OK);
gst_object_replace ((GstObject **) & buf->pool, (GstObject *) pool);
gst_buffer_unref (buf);
}
/* Push a lot of buffers like if a real pipeline was running. */
for (i = 0; i < 10 * maxbuffers; ++i) {
fail_unless (gst_buffer_pool_acquire_buffer (pool, &buf,
NULL) == GST_FLOW_OK);
DO_CALL (do_push_func, buf);
}
/* Claim back buffers to the upstream pool. This is the point
* of this unit test, i.e. this test checks that glimagesink
* releases the buffers it currently owns, upon drain query. */
query = gst_query_new_drain ();
DO_CALL (do_peer_query_func, query);
/* Transfer buffers back to the downstream pool to be release
* properly. This also make sure that all buffers are returned.
* Indeed gst_buffer_pool_acquire_buffer is blocking here and
* we have set a maximum. */
for (i = 0; i < maxbuffers; ++i) {
fail_unless (gst_buffer_pool_acquire_buffer (pool, &buf,
NULL) == GST_FLOW_OK);
gst_object_replace ((GstObject **) & buf->pool, (GstObject *) originpool);
gst_buffer_unref (buf);
}
fail_unless (gst_buffer_pool_set_active (originpool, FALSE));
gst_object_unref (originpool);
/* At this point the gl pool contains all its buffers. We can
* inactivate it to release the textures. Note that only the gl
* pool can release the textures properly because it has a
* reference on the gl context. */
fail_unless (gst_buffer_pool_set_active (pool, FALSE));
gst_object_unref (pool);
cleanup_glimagesink ();
if (loop)
g_main_loop_unref (loop);
}
GST_END_TEST;
static Suite *
glimagesink_suite (void)
{
Suite *s = suite_create ("glimagesink");
TCase *tc = tcase_create ("general");
tcase_set_timeout (tc, 5);
tcase_add_checked_fixture (tc, setup_glimagesink, NULL);
tcase_add_test (tc, test_query_drain);
suite_add_tcase (s, tc);
return s;
}
GST_CHECK_MAIN (glimagesink)