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1 /* GStreamer
2  * unit test for jpegdec
3  * Copyright (C) <2010> Thiago Santos <thiago.sousa.santos@collabora.co.uk>
4  * Copyright (C) <2012> Mathias Hasselmann <mathias@openismus.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the
18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #include <unistd.h>
23 
24 #include <gio/gio.h>
25 #include <gst/check/gstcheck.h>
26 #include <gst/app/gstappsink.h>
27 #include <gst/pbutils/gstdiscoverer.h>
28 
29 /* Verify jpegdec is working when explicitly requested by a pipeline. */
GST_START_TEST(test_jpegdec_explicit)30 GST_START_TEST (test_jpegdec_explicit)
31 {
32   GstElement *pipeline, *source, *dec, *sink;
33   GstSample *sample;
34 
35   /* construct a pipeline that explicitly uses jpegdec */
36   pipeline = gst_pipeline_new (NULL);
37   source = gst_element_factory_make ("filesrc", NULL);
38   dec = gst_element_factory_make ("jpegdec", NULL);
39   sink = gst_element_factory_make ("appsink", NULL);
40 
41   gst_bin_add_many (GST_BIN (pipeline), source, dec, sink, NULL);
42   gst_element_link_many (source, dec, sink, NULL);
43 
44   /* point that pipeline to our test image */
45   {
46     char *filename = g_build_filename (GST_TEST_FILES_PATH, "image.jpg", NULL);
47     g_object_set (G_OBJECT (source), "location", filename, NULL);
48     g_free (filename);
49   }
50 
51   gst_element_set_state (pipeline, GST_STATE_PLAYING);
52 
53   sample = gst_app_sink_pull_sample (GST_APP_SINK (sink));
54   fail_unless (GST_IS_SAMPLE (sample));
55 
56   /* do some basic checks to verify image decoding */
57   {
58     GstCaps *decoded;
59     GstCaps *expected;
60 
61     decoded = gst_sample_get_caps (sample);
62     expected = gst_caps_from_string ("video/x-raw, width=120, height=160");
63 
64     fail_unless (gst_caps_is_always_compatible (decoded, expected));
65 
66     gst_caps_unref (expected);
67   }
68   gst_sample_unref (sample);
69 
70   /* wait for EOS */
71   sample = gst_app_sink_pull_sample (GST_APP_SINK (sink));
72   fail_unless (sample == NULL);
73   fail_unless (gst_app_sink_is_eos (GST_APP_SINK (sink)));
74 
75   gst_element_set_state (pipeline, GST_STATE_NULL);
76   gst_object_unref (pipeline);
77 }
78 
79 GST_END_TEST;
80 
81 /* Verify JPEG discovery is working. Right now jpegdec would be used,
82  * but I have no idea how to actually verify this. */
GST_START_TEST(test_jpegdec_discover)83 GST_START_TEST (test_jpegdec_discover)
84 {
85   GstDiscoverer *disco;
86   GError *error = NULL;
87   char *uri;
88   GstDiscovererInfo *info;
89   GstDiscovererVideoInfo *video;
90 
91   disco = gst_discoverer_new (60 * GST_SECOND, &error);
92 
93   fail_unless (GST_IS_DISCOVERER (disco));
94   fail_unless (error == NULL, "%s", (error ? error->message : ""));
95 
96   {
97     GFile *testdir = g_file_new_for_path (GST_TEST_FILES_PATH);
98     GFile *testfile = g_file_resolve_relative_path (testdir, "image.jpg");
99     uri = g_file_get_uri (testfile);
100     g_object_unref (testfile);
101     g_object_unref (testdir);
102   }
103 
104   info = gst_discoverer_discover_uri (disco, uri, &error);
105   fail_unless (GST_IS_DISCOVERER_INFO (info));
106   fail_unless (error == NULL, "%s: %s", uri, (error ? error->message : ""));
107 
108   fail_unless_equals_string (gst_discoverer_info_get_uri (info), uri);
109   fail_unless_equals_int (gst_discoverer_info_get_result (info),
110       GST_DISCOVERER_OK);
111 
112   video =
113       GST_DISCOVERER_VIDEO_INFO (gst_discoverer_info_get_stream_info (info));
114   fail_unless (video != NULL);
115 
116   fail_unless (gst_discoverer_video_info_is_image (video));
117   fail_unless_equals_int (gst_discoverer_video_info_get_width (video), 120);
118   fail_unless_equals_int (gst_discoverer_video_info_get_height (video), 160);
119 
120   gst_discoverer_info_unref (video);
121   gst_discoverer_info_unref (info);
122   g_free (uri);
123   g_object_unref (disco);
124 }
125 
126 GST_END_TEST;
127 
128 static Suite *
jpegdec_suite(void)129 jpegdec_suite (void)
130 {
131   Suite *s = suite_create ("jpegdec");
132   TCase *tc_chain = tcase_create ("general");
133 
134   suite_add_tcase (s, tc_chain);
135   tcase_add_test (tc_chain, test_jpegdec_explicit);
136   tcase_add_test (tc_chain, test_jpegdec_discover);
137 
138   return s;
139 }
140 
141 GST_CHECK_MAIN (jpegdec);
142