1 /* GStreamer
2  *
3  * Copyright (C) 2019 Mathieu Duponchelle <mathieu@centricular.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 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24 #include <gst/gst.h>
25 #include <gst/check/gstcheck.h>
26 #include <gst/check/gstharness.h>
27 #include <gst/video/video.h>
28 
GST_START_TEST(basic)29 GST_START_TEST (basic)
30 {
31   GstHarness *h;
32   GstBuffer *buf, *outbuf;
33   GstVideoInfo info;
34   GstVideoCaptionMeta *in_cc_meta, *out_cc_meta;
35   guint i;
36   guint8 empty_data[] = { 0x90, 0x80, 0x80, 0x0, 0x80, 0x80 };
37   guint8 full_data[] = { 0x90, 0x42, 0x43, 0x0, 0x44, 0x45 };
38   GstCaps *caps = gst_caps_new_simple ("video/x-raw",
39       "format", G_TYPE_STRING, "I420",
40       "width", G_TYPE_INT, 720,
41       "height", G_TYPE_INT, 625,
42       "interlace-mode", G_TYPE_STRING, "interleaved",
43       NULL);
44 
45   h = gst_harness_new_parse ("line21encoder ! line21decoder");
46   gst_harness_set_caps (h, gst_caps_ref (caps), gst_caps_ref (caps));
47 
48   gst_video_info_from_caps (&info, caps);
49 
50   gst_caps_unref (caps);
51 
52   buf = gst_buffer_new_and_alloc (info.size);
53   outbuf = gst_harness_push_and_pull (h, buf);
54 
55   fail_unless (outbuf != NULL);
56   fail_unless_equals_int (gst_buffer_get_n_meta (outbuf,
57           GST_VIDEO_CAPTION_META_API_TYPE), 1);
58 
59   out_cc_meta = gst_buffer_get_video_caption_meta (outbuf);
60 
61   fail_unless (out_cc_meta != NULL);
62   fail_unless (out_cc_meta->size == 6);
63 
64   for (i = 0; i < out_cc_meta->size; i++)
65     fail_unless (out_cc_meta->data[i] == empty_data[i]);
66 
67   gst_buffer_unref (outbuf);
68 
69   buf = gst_buffer_new_and_alloc (info.size);
70   gst_buffer_add_video_caption_meta (buf, GST_VIDEO_CAPTION_TYPE_CEA608_S334_1A,
71       full_data, 6);
72   in_cc_meta = gst_buffer_get_video_caption_meta (buf);
73   outbuf = gst_harness_push_and_pull (h, buf);
74 
75   fail_unless (outbuf != NULL);
76   fail_unless_equals_int (gst_buffer_get_n_meta (outbuf,
77           GST_VIDEO_CAPTION_META_API_TYPE), 1);
78 
79   out_cc_meta = gst_buffer_get_video_caption_meta (outbuf);
80   fail_unless (in_cc_meta != out_cc_meta);
81 
82   for (i = 0; i < out_cc_meta->size; i++)
83     fail_unless (out_cc_meta->data[i] == full_data[i]);
84 
85   gst_buffer_unref (outbuf);
86   gst_harness_teardown (h);
87 }
88 
89 GST_END_TEST;
90 
91 static Suite *
line21_suite(void)92 line21_suite (void)
93 {
94   Suite *s = suite_create ("line21");
95   TCase *tc = tcase_create ("general");
96 
97   suite_add_tcase (s, tc);
98 
99   tcase_add_test (tc, basic);
100 
101   return s;
102 }
103 
104 GST_CHECK_MAIN (line21);
105