gstreamer/subprojects/gst-plugins-bad/tests/check/elements/zxing.c

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/* GStreamer zxing element unit test
*
* Copyright (C) 2019 Stéphane Cerveau <scerveau@collabora.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.
*/
#include <gst/check/gstcheck.h>
static GstElement *
setup_pipeline (const gchar * in_format)
{
GstElement *pipeline;
gchar *path;
gchar *pipeline_str;
path = g_build_filename (GST_TEST_FILES_PATH, "barcode.png", NULL);
GST_LOG ("reading file '%s'", path);
pipeline_str =
g_strdup_printf ("filesrc location=%s ! "
"pngdec ! videoconvert ! video/x-raw,format=%s ! zxing name=zxing"
" ! fakesink", path, in_format);
GST_LOG ("Running pipeline: %s", pipeline_str);
pipeline = gst_parse_launch (pipeline_str, NULL);
fail_unless (pipeline != NULL);
g_free (pipeline_str);
g_free (path);
return pipeline;
}
static GstMessage *
get_zxing_msg_until_eos (GstElement * pipeline)
{
GstMessage *zxing_msg = NULL;
do {
GstMessage *msg;
msg = gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipeline), -1,
GST_MESSAGE_ELEMENT | GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
GST_INFO ("message: %" GST_PTR_FORMAT, msg);
fail_if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS) {
gst_message_unref (msg);
break;
}
if (!g_strcmp0 (GST_OBJECT_NAME (GST_MESSAGE_SRC (msg)), "zxing")
&& zxing_msg == NULL) {
zxing_msg = msg;
} else {
gst_message_unref (msg);
}
} while (1);
return zxing_msg;
}
GST_START_TEST (test_still_image)
{
GstMessage *zxing_msg;
const GstStructure *s;
GstElement *pipeline;
const gchar *type, *symbol;
pipeline = setup_pipeline ("ARGB");
fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING),
GST_STATE_CHANGE_ASYNC);
zxing_msg = get_zxing_msg_until_eos (pipeline);
fail_unless (zxing_msg != NULL);
s = gst_message_get_structure (zxing_msg);
fail_unless (s != NULL);
fail_unless (gst_structure_has_name (s, "barcode"));
fail_unless (gst_structure_has_field (s, "timestamp"));
fail_unless (gst_structure_has_field (s, "stream-time"));
fail_unless (gst_structure_has_field (s, "running-time"));
fail_unless (gst_structure_has_field (s, "type"));
fail_unless (gst_structure_has_field (s, "symbol"));
type = gst_structure_get_string (s, "type");
fail_unless_equals_string (type, "EAN-13");
symbol = gst_structure_get_string (s, "symbol");
fail_unless_equals_string (symbol, "9876543210128");
fail_if (gst_structure_has_field (s, "frame"));
fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_NULL),
GST_STATE_CHANGE_SUCCESS);
gst_object_unref (pipeline);
gst_message_unref (zxing_msg);
}
GST_END_TEST;
GST_START_TEST (test_still_image_with_sample)
{
GstMessage *zxing_msg = NULL;
const GstStructure *s;
GstElement *pipeline;
GstSample *sample;
pipeline = setup_pipeline ("ARGB");
gst_child_proxy_set ((GstChildProxy *) pipeline, "zxing::attach-frame", TRUE,
NULL);
fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING),
GST_STATE_CHANGE_ASYNC);
zxing_msg = get_zxing_msg_until_eos (pipeline);
fail_unless (zxing_msg != NULL);
s = gst_message_get_structure (zxing_msg);
fail_unless (s != NULL);
fail_unless (gst_structure_get (s, "frame", GST_TYPE_SAMPLE, &sample, NULL));
fail_unless (gst_sample_get_buffer (sample));
fail_unless (gst_sample_get_caps (sample));
gst_sample_unref (sample);
fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_NULL),
GST_STATE_CHANGE_SUCCESS);
gst_object_unref (pipeline);
gst_message_unref (zxing_msg);
}
GST_END_TEST;
static Suite *
zxing_suite (void)
{
Suite *s = suite_create ("zxing");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
if (!gst_registry_check_feature_version (gst_registry_get (), "pngdec", 0, 10,
25)) {
GST_INFO ("Skipping test, pngdec either not available or too old");
} else {
tcase_add_test (tc_chain, test_still_image);
tcase_add_test (tc_chain, test_still_image_with_sample);
}
return s;
}
GST_CHECK_MAIN (zxing);