/* GStreamer zbar element unit test * * Copyright (C) 2010 Tim-Philipp Müller <tim centricular net> * * 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 (void) { GstElement *pipeline, *src, *dec, *csp, *zbar, *sink; gchar *path; pipeline = gst_pipeline_new ("pipeline"); src = gst_element_factory_make ("filesrc", NULL); dec = gst_element_factory_make ("pngdec", NULL); csp = gst_element_factory_make ("videoconvert", NULL); zbar = gst_element_factory_make ("zbar", "zbar"); sink = gst_element_factory_make ("fakesink", NULL); path = g_build_filename (GST_TEST_FILES_PATH, "barcode.png", NULL); GST_LOG ("reading file '%s'", path); g_object_set (src, "location", path, NULL); g_free (path); gst_bin_add_many (GST_BIN (pipeline), src, dec, csp, zbar, sink, NULL); fail_unless (gst_element_link_many (src, dec, csp, zbar, sink, NULL)); return pipeline; } static GstMessage * get_zbar_msg_until_eos (GstElement * pipeline) { GstMessage *zbar_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)), "zbar") && zbar_msg == NULL) { zbar_msg = msg; } else { gst_message_unref (msg); } } while (1); return zbar_msg; } GST_START_TEST (test_still_image) { GstMessage *zbar_msg; const GstStructure *s; GstElement *pipeline; const gchar *type, *symbol; int qual; pipeline = setup_pipeline (); fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING), GST_STATE_CHANGE_ASYNC); zbar_msg = get_zbar_msg_until_eos (pipeline); fail_unless (zbar_msg != NULL); s = gst_message_get_structure (zbar_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, "type")); fail_unless (gst_structure_has_field (s, "symbol")); fail_unless (gst_structure_has_field (s, "quality")); fail_unless (gst_structure_get_int (s, "quality", &qual)); fail_unless (qual >= 90); 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 (zbar_msg); } GST_END_TEST; GST_START_TEST (test_still_image_with_sample) { GstMessage *zbar_msg = NULL; const GstStructure *s; GstElement *pipeline; GstSample *sample; pipeline = setup_pipeline (); gst_child_proxy_set ((GstChildProxy *) pipeline, "zbar::attach-frame", TRUE, NULL); fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING), GST_STATE_CHANGE_ASYNC); zbar_msg = get_zbar_msg_until_eos (pipeline); fail_unless (zbar_msg != NULL); s = gst_message_get_structure (zbar_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 (zbar_msg); } GST_END_TEST; static Suite * zbar_suite (void) { Suite *s = suite_create ("zbar"); 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 (zbar);