gstreamer/tests/check/libs/transform2.c

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/* GStreamer
*
* Unit tests for basetransform collation/separation
*
* Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.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/check/gstcheck.h>
#include <gst/base/gstbasetransform.h>
#include "test_transform.c"
GstBuffer *buf1, *buf2;
/* Output buffers are twice the size as input */
static gboolean
transform_size_collate (GstBaseTransform * trans, GstPadDirection direction,
GstCaps * caps, gsize size, GstCaps * othercaps, gsize * othersize)
{
if (direction == GST_PAD_SINK) {
*othersize = size * 2;
} else {
*othersize = size / 2;
}
return TRUE;
}
static GstFlowReturn
collate_submit_input_buffer (GstBaseTransform * trans,
gboolean is_discont, GstBuffer * input)
{
GstFlowReturn ret =
GST_BASE_TRANSFORM_CLASS
(gst_test_trans_parent_class)->submit_input_buffer (trans, is_discont,
input);
if (ret != GST_FLOW_OK)
return ret;
fail_unless (buf1 == NULL || buf2 == NULL);
if (buf1 == NULL) {
buf1 = trans->queued_buf;
trans->queued_buf = NULL;
} else if (buf2 == NULL) {
buf2 = trans->queued_buf;
trans->queued_buf = NULL;
}
return ret;
}
static GstFlowReturn
collate_generate_output (GstBaseTransform * trans, GstBuffer ** outbuf)
{
/* Not ready to generate output unless we've collected 2 buffers */
if (buf1 == NULL || buf2 == NULL)
return GST_BASE_TRANSFORM_FLOW_DROPPED;
fail_unless (buf1 != NULL && buf2 != NULL);
*outbuf = gst_buffer_new_and_alloc (40);
gst_buffer_unref (buf1);
gst_buffer_unref (buf2);
buf1 = NULL;
buf2 = NULL;
return GST_FLOW_OK;
}
/* Take 2 input buffers, generate 1 output
* buffer with twice the size
*/
GST_START_TEST (basetransform_chain_collate)
{
TestTransData *trans;
GstBuffer *buffer;
GstFlowReturn res;
GstCaps *incaps, *outcaps;
src_template = &gst_test_trans_src_template;
klass_passthrough_on_same_caps = FALSE;
klass_transform_size = transform_size_collate;
klass_submit_input_buffer = collate_submit_input_buffer;
klass_generate_output = collate_generate_output;
trans = gst_test_trans_new ();
incaps = gst_caps_new_empty_simple ("foo/x-bar");
outcaps = gst_caps_new_empty_simple ("foo/x-bar");
gst_test_trans_push_segment (trans);
gst_pad_push_event (trans->srcpad, gst_event_new_flush_start ());
gst_pad_push_event (trans->srcpad, gst_event_new_flush_stop (TRUE));
GST_DEBUG_OBJECT (trans, "buffer with caps %" GST_PTR_FORMAT, incaps);
gst_test_trans_setcaps (trans, incaps);
gst_test_trans_push_segment (trans);
buffer = gst_buffer_new_and_alloc (20);
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
/* We do not expect an output buffer after only pushing one input */
buffer = gst_test_trans_pop (trans);
fail_unless (buffer == NULL);
buffer = gst_buffer_new_and_alloc (20);
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 40);
/* output buffer has refcount 1 */
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 1);
gst_buffer_unref (buffer);
gst_caps_unref (incaps);
gst_caps_unref (outcaps);
gst_test_trans_free (trans);
}
GST_END_TEST;
static Suite *
gst_basetransform_collate_suite (void)
{
Suite *s = suite_create ("GstBaseTransformCollate");
TCase *tc = tcase_create ("general");
suite_add_tcase (s, tc);
tcase_add_test (tc, basetransform_chain_collate);
return s;
}
GST_CHECK_MAIN (gst_basetransform_collate);