1 /* GStreamer zxing element unit test
2 *
3 * Copyright (C) 2019 Stéphane Cerveau <scerveau@collabora.com>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21 #include <gst/check/gstcheck.h>
22
23 static GstElement *
setup_pipeline(const gchar * in_format)24 setup_pipeline (const gchar * in_format)
25 {
26 GstElement *pipeline;
27 gchar *path;
28 gchar *pipeline_str;
29
30 path = g_build_filename (GST_TEST_FILES_PATH, "barcode.png", NULL);
31 GST_LOG ("reading file '%s'", path);
32
33 pipeline_str =
34 g_strdup_printf ("filesrc location=%s ! "
35 "pngdec ! videoconvert ! video/x-raw,format=%s ! zxing name=zxing"
36 " ! fakesink", path, in_format);
37 GST_LOG ("Running pipeline: %s", pipeline_str);
38 pipeline = gst_parse_launch (pipeline_str, NULL);
39 fail_unless (pipeline != NULL);
40 g_free (pipeline_str);
41 g_free (path);
42
43 return pipeline;
44 }
45
46 static GstMessage *
get_zxing_msg_until_eos(GstElement * pipeline)47 get_zxing_msg_until_eos (GstElement * pipeline)
48 {
49 GstMessage *zxing_msg = NULL;
50
51 do {
52 GstMessage *msg;
53
54 msg = gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipeline), -1,
55 GST_MESSAGE_ELEMENT | GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
56
57 GST_INFO ("message: %" GST_PTR_FORMAT, msg);
58
59 fail_if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
60
61 if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS) {
62 gst_message_unref (msg);
63 break;
64 }
65
66 if (!g_strcmp0 (GST_OBJECT_NAME (GST_MESSAGE_SRC (msg)), "zxing")
67 && zxing_msg == NULL) {
68 zxing_msg = msg;
69 } else {
70 gst_message_unref (msg);
71 }
72 } while (1);
73 return zxing_msg;
74 }
75
GST_START_TEST(test_still_image)76 GST_START_TEST (test_still_image)
77 {
78 GstMessage *zxing_msg;
79 const GstStructure *s;
80 GstElement *pipeline;
81 const gchar *type, *symbol;
82
83 pipeline = setup_pipeline ("ARGB");
84
85 fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING),
86 GST_STATE_CHANGE_ASYNC);
87
88 zxing_msg = get_zxing_msg_until_eos (pipeline);
89 fail_unless (zxing_msg != NULL);
90
91 s = gst_message_get_structure (zxing_msg);
92 fail_unless (s != NULL);
93
94 fail_unless (gst_structure_has_name (s, "barcode"));
95 fail_unless (gst_structure_has_field (s, "timestamp"));
96 fail_unless (gst_structure_has_field (s, "stream-time"));
97 fail_unless (gst_structure_has_field (s, "running-time"));
98 fail_unless (gst_structure_has_field (s, "type"));
99 fail_unless (gst_structure_has_field (s, "symbol"));
100 type = gst_structure_get_string (s, "type");
101 fail_unless_equals_string (type, "EAN-13");
102 symbol = gst_structure_get_string (s, "symbol");
103 fail_unless_equals_string (symbol, "9876543210128");
104
105 fail_if (gst_structure_has_field (s, "frame"));
106
107 fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_NULL),
108 GST_STATE_CHANGE_SUCCESS);
109
110 gst_object_unref (pipeline);
111 gst_message_unref (zxing_msg);
112 }
113
114 GST_END_TEST;
115
GST_START_TEST(test_still_image_with_sample)116 GST_START_TEST (test_still_image_with_sample)
117 {
118 GstMessage *zxing_msg = NULL;
119 const GstStructure *s;
120 GstElement *pipeline;
121 GstSample *sample;
122
123 pipeline = setup_pipeline ("ARGB");
124 gst_child_proxy_set ((GstChildProxy *) pipeline, "zxing::attach-frame", TRUE,
125 NULL);
126
127 fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING),
128 GST_STATE_CHANGE_ASYNC);
129
130 zxing_msg = get_zxing_msg_until_eos (pipeline);
131 fail_unless (zxing_msg != NULL);
132
133 s = gst_message_get_structure (zxing_msg);
134 fail_unless (s != NULL);
135
136 fail_unless (gst_structure_get (s, "frame", GST_TYPE_SAMPLE, &sample, NULL));
137 fail_unless (gst_sample_get_buffer (sample));
138 fail_unless (gst_sample_get_caps (sample));
139 gst_sample_unref (sample);
140
141 fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_NULL),
142 GST_STATE_CHANGE_SUCCESS);
143
144 gst_object_unref (pipeline);
145 gst_message_unref (zxing_msg);
146 }
147
148 GST_END_TEST;
149
150 static Suite *
zxing_suite(void)151 zxing_suite (void)
152 {
153 Suite *s = suite_create ("zxing");
154 TCase *tc_chain = tcase_create ("general");
155
156 suite_add_tcase (s, tc_chain);
157
158 if (!gst_registry_check_feature_version (gst_registry_get (), "pngdec", 0, 10,
159 25)) {
160 GST_INFO ("Skipping test, pngdec either not available or too old");
161 } else {
162 tcase_add_test (tc_chain, test_still_image);
163 tcase_add_test (tc_chain, test_still_image_with_sample);
164 }
165
166 return s;
167 }
168
169 GST_CHECK_MAIN (zxing);
170