gstreamer/tests/check/gst/gstbufferpool.c

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/* GStreamer
* Copyright (C) 2014 Stefan Sauer <ensonic@users.sf.net>
*
* gstbufferpool.c: Unit test for GstBufferPool
*
* 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>
static GstBufferPool *
create_pool (guint size, guint min_buf, guint max_buf)
{
GstBufferPool *pool = gst_buffer_pool_new ();
GstStructure *conf = gst_buffer_pool_get_config (pool);
GstCaps *caps = gst_caps_new_empty_simple ("test/data");
gst_buffer_pool_config_set_params (conf, caps, size, min_buf, max_buf);
gst_buffer_pool_set_config (pool, conf);
gst_caps_unref (caps);
return pool;
}
GST_START_TEST (test_new_buffer_from_empty_pool)
{
GstBufferPool *pool = create_pool (10, 0, 0);
GstBuffer *buf = NULL;
gst_buffer_pool_set_active (pool, TRUE);
gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
fail_if (buf == NULL, "acquiring buffer returned NULL");
gst_buffer_unref (buf);
gst_buffer_pool_set_active (pool, FALSE);
gst_object_unref (pool);
}
GST_END_TEST;
GST_START_TEST (test_buffer_is_recycled)
{
GstBufferPool *pool = create_pool (10, 0, 0);
GstBuffer *buf = NULL, *prev;
gst_buffer_pool_set_active (pool, TRUE);
gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
prev = buf;
gst_buffer_unref (buf);
gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
fail_unless (buf == prev, "got a fresh buffer instead of previous");
gst_buffer_unref (buf);
gst_buffer_pool_set_active (pool, FALSE);
gst_object_unref (pool);
}
GST_END_TEST;
GST_START_TEST (test_buffer_out_of_order_reuse)
{
GstBufferPool *pool = create_pool (10, 0, 0);
GstBuffer *buf1 = NULL, *buf2 = NULL, *prev;
gst_buffer_pool_set_active (pool, TRUE);
gst_buffer_pool_acquire_buffer (pool, &buf1, NULL);
gst_buffer_pool_acquire_buffer (pool, &buf2, NULL);
prev = buf2;
gst_buffer_unref (buf2);
gst_buffer_pool_acquire_buffer (pool, &buf2, NULL);
fail_unless (buf2 == prev, "got a fresh buffer instead of previous");
gst_buffer_unref (buf1);
gst_buffer_unref (buf2);
gst_buffer_pool_set_active (pool, FALSE);
gst_object_unref (pool);
}
GST_END_TEST;
GST_START_TEST (test_pool_config_buffer_size)
{
GstBufferPool *pool = create_pool (10, 0, 0);
GstBuffer *buf = NULL;
gst_buffer_pool_set_active (pool, TRUE);
gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
ck_assert_int_eq (gst_buffer_get_size (buf), 10);
gst_buffer_unref (buf);
gst_buffer_pool_set_active (pool, FALSE);
gst_object_unref (pool);
}
GST_END_TEST;
GST_START_TEST (test_inactive_pool_returns_flushing)
{
GstBufferPool *pool = create_pool (10, 0, 0);
GstFlowReturn ret;
GstBuffer *buf = NULL;
ret = gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
ck_assert_int_eq (ret, GST_FLOW_FLUSHING);
gst_object_unref (pool);
}
GST_END_TEST;
GST_START_TEST (test_buffer_modify_discard)
{
GstBufferPool *pool = create_pool (10, 0, 0);
GstBuffer *buf = NULL, *prev;
GstMemory *mem;
gst_buffer_pool_set_active (pool, TRUE);
gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
prev = buf;
/* remove all memory, pool should not reuse this buffer */
gst_buffer_remove_all_memory (buf);
gst_buffer_unref (buf);
gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
fail_if (buf == prev, "got a reused buffer instead of new one");
prev = buf;
/* do resize, pool should not reuse this buffer */
gst_buffer_resize (buf, 5, 2);
gst_buffer_unref (buf);
gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
fail_if (buf == prev, "got a reused buffer instead of new one");
prev = buf;
/* keep ref to memory, not exclusive so pool should reuse this buffer */
mem = gst_buffer_get_memory (buf, 0);
gst_buffer_unref (buf);
gst_memory_unref (mem);
gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
fail_unless (buf == prev, "got a fresh buffer instead of previous");
mem = gst_buffer_get_memory (buf, 0);
/* exclusive lock so pool should not reuse this buffer */
gst_memory_lock (mem, GST_LOCK_FLAG_EXCLUSIVE);
gst_buffer_unref (buf);
gst_memory_unlock (mem, GST_LOCK_FLAG_EXCLUSIVE);
gst_memory_unref (mem);
gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
fail_if (buf == prev, "got a reused buffer instead of new one");
gst_buffer_unref (buf);
gst_buffer_pool_set_active (pool, FALSE);
gst_object_unref (pool);
}
GST_END_TEST;
GST_START_TEST (test_pool_activation_and_config)
{
GstBufferPool *pool = gst_buffer_pool_new ();
GstStructure *config = gst_buffer_pool_get_config (pool);
GstCaps *caps = gst_caps_new_empty_simple ("test/data");
GstBuffer *buffer = NULL;
/* unconfigured pool cannot be activated */
fail_if (gst_buffer_pool_set_active (pool, TRUE));
gst_buffer_pool_config_set_params (config, caps, 10, 10, 0);
fail_unless (gst_buffer_pool_set_config (pool, config));
fail_unless (gst_buffer_pool_set_active (pool, TRUE));
/* setting the same config on an active pool is ok */
config = gst_buffer_pool_get_config (pool);
fail_unless (gst_buffer_pool_set_config (pool, config));
/* setting a different config should deactivate the pool */
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, 12, 10, 0);
fail_unless (gst_buffer_pool_set_config (pool, config));
fail_if (gst_buffer_pool_is_active (pool));
/* though it should fail if there is outstanding buffers */
gst_buffer_pool_set_active (pool, TRUE);
gst_buffer_pool_acquire_buffer (pool, &buffer, NULL);
fail_if (buffer == NULL);
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, 10, 10, 0);
fail_if (gst_buffer_pool_set_config (pool, config));
/* and work when last buffer is back */
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, 10, 10, 0);
gst_buffer_unref (buffer);
fail_unless (gst_buffer_pool_set_config (pool, config));
fail_unless (gst_buffer_pool_set_active (pool, TRUE));
gst_buffer_pool_set_active (pool, FALSE);
gst_object_unref (pool);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_pool_config_validate)
{
GstBufferPool *pool = create_pool (5, 4, 30);
GstStructure *config = gst_buffer_pool_get_config (pool);
GstCaps *caps = gst_caps_new_empty_simple ("test/data");
fail_unless (gst_buffer_pool_config_validate_params (config, caps, 5, 4, 0));
fail_unless (gst_buffer_pool_config_validate_params (config, caps, 5, 2, 0));
fail_unless (gst_buffer_pool_config_validate_params (config, caps, 4, 4, 0));
fail_if (gst_buffer_pool_config_validate_params (config, caps, 5, 6, 0));
gst_caps_unref (caps);
caps = gst_caps_new_empty_simple ("test/data2");
fail_if (gst_buffer_pool_config_validate_params (config, caps, 5, 4, 0));
gst_caps_unref (caps);
gst_structure_free (config);
gst_object_unref (pool);
}
GST_END_TEST;
GST_START_TEST (test_flushing_pool_returns_flushing)
{
GstBufferPool *pool = create_pool (10, 0, 0);
GstFlowReturn ret;
GstBuffer *buf = NULL;
gst_buffer_pool_set_active (pool, TRUE);
gst_buffer_pool_set_flushing (pool, TRUE);
ret = gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
ck_assert_int_eq (ret, GST_FLOW_FLUSHING);
gst_buffer_pool_set_flushing (pool, FALSE);
ret = gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
ck_assert_int_eq (ret, GST_FLOW_OK);
gst_buffer_unref (buf);
gst_object_unref (pool);
}
GST_END_TEST;
static Suite *
gst_buffer_pool_suite (void)
{
Suite *s = suite_create ("GstBufferPool");
TCase *tc_chain = tcase_create ("buffer_pool tests");
tcase_set_timeout (tc_chain, 0);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_new_buffer_from_empty_pool);
tcase_add_test (tc_chain, test_buffer_is_recycled);
tcase_add_test (tc_chain, test_buffer_out_of_order_reuse);
tcase_add_test (tc_chain, test_pool_config_buffer_size);
tcase_add_test (tc_chain, test_inactive_pool_returns_flushing);
tcase_add_test (tc_chain, test_buffer_modify_discard);
tcase_add_test (tc_chain, test_pool_activation_and_config);
tcase_add_test (tc_chain, test_pool_config_validate);
tcase_add_test (tc_chain, test_flushing_pool_returns_flushing);
return s;
}
GST_CHECK_MAIN (gst_buffer_pool);