1 /*
2  * GStreamer
3  *
4  * unit test for mpeg4videoparse
5  *
6  * Copyright (C) 2011 Nokia Corporation. All rights reserved.
7  *
8  * Contact: Stefan Kost <stefan.kost@nokia.com>
9  *
10  * This library is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU Library General Public
12  * License as published by the Free Software Foundation; either
13  * version 2 of the License, or (at your option) any later version.
14  *
15  * This library is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18  * Library General Public License for more details.
19  *
20  * You should have received a copy of the GNU Library General Public
21  * License along with this library; if not, write to the
22  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
23  * Boston, MA 02110-1301, USA.
24  */
25 
26 #include <gst/check/gstcheck.h>
27 #include "parser.h"
28 
29 #define SRC_CAPS_TMPL   "video/mpeg, mpegversion=(int)4, systemstream=(boolean)false, parsed=(boolean)false"
30 #define SINK_CAPS_TMPL  "video/mpeg, mpegversion=(int)4, systemstream=(boolean)false, parsed=(boolean)true"
31 
32 GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
33     GST_PAD_SINK,
34     GST_PAD_ALWAYS,
35     GST_STATIC_CAPS (SINK_CAPS_TMPL)
36     );
37 
38 GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
39     GST_PAD_SRC,
40     GST_PAD_ALWAYS,
41     GST_STATIC_CAPS (SRC_CAPS_TMPL)
42     );
43 
44 /* some data */
45 
46 /* codec data; VOS up to and including GOP */
47 static guint8 mpeg4_config[] = {
48   0x00, 0x00, 0x01, 0xb0, 0x01, 0x00, 0x00, 0x01,
49   0xb5, 0x89, 0x13, 0x00, 0x00, 0x01, 0x00, 0x00,
50   0x00, 0x01, 0x20, 0x00, 0xc4, 0x8d, 0x88, 0x00,
51   0xf5, 0x01, 0x04, 0x03, 0x14, 0x63, 0x00, 0x00,
52   0x01, 0xb3, 0x00, 0x10, 0x07
53 };
54 
55 /* keyframes all around */
56 static guint8 mpeg4_iframe[] = {
57   0x00, 0x00, 0x01, 0xb6, 0x10, 0x60, 0x91, 0x82,
58   0x3d, 0xb7, 0xf1, 0xb6, 0xdf, 0xc6, 0xdb, 0x7f,
59   0x1b, 0x6d, 0xfb
60 };
61 
62 static gboolean
verify_buffer(buffer_verify_data_s * vdata,GstBuffer * buffer)63 verify_buffer (buffer_verify_data_s * vdata, GstBuffer * buffer)
64 {
65   GstMapInfo map;
66 
67   gst_buffer_map (buffer, &map, GST_MAP_READ);
68 
69   /* header is merged in initial frame */
70   if (vdata->buffer_counter == 0) {
71     /* the whole sequence header is included */
72     fail_unless (map.size == ctx_headers[0].size + vdata->data_to_verify_size);
73     fail_unless (memcmp (map.data, ctx_headers[0].data,
74             ctx_headers[0].size) == 0);
75     fail_unless (memcmp (map.data + ctx_headers[0].size,
76             vdata->data_to_verify, vdata->data_to_verify_size) == 0);
77     gst_buffer_unmap (buffer, &map);
78     return TRUE;
79   }
80   gst_buffer_unmap (buffer, &map);
81 
82   return FALSE;
83 }
84 
GST_START_TEST(test_parse_normal)85 GST_START_TEST (test_parse_normal)
86 {
87   gst_parser_test_normal (mpeg4_iframe, sizeof (mpeg4_iframe));
88 }
89 
90 GST_END_TEST;
91 
92 
GST_START_TEST(test_parse_drain_single)93 GST_START_TEST (test_parse_drain_single)
94 {
95   gst_parser_test_drain_single (mpeg4_iframe, sizeof (mpeg4_iframe));
96 }
97 
98 GST_END_TEST;
99 
100 
GST_START_TEST(test_parse_split)101 GST_START_TEST (test_parse_split)
102 {
103   gst_parser_test_split (mpeg4_iframe, sizeof (mpeg4_iframe));
104 }
105 
106 GST_END_TEST;
107 
108 
109 #define structure_get_int(s,f) \
110     (g_value_get_int(gst_structure_get_value(s,f)))
111 #define fail_unless_structure_field_int_equals(s,field,num) \
112     fail_unless_equals_int (structure_get_int(s,field), num)
113 
GST_START_TEST(test_parse_detect_stream)114 GST_START_TEST (test_parse_detect_stream)
115 {
116   GstCaps *caps;
117   GstStructure *s;
118   GstBuffer *buf;
119   const GValue *val;
120   GstMapInfo map;
121 
122   caps = gst_parser_test_get_output_caps (mpeg4_iframe, sizeof (mpeg4_iframe),
123       NULL);
124   fail_unless (caps != NULL);
125 
126   /* Check that the negotiated caps are as expected */
127   /* When codec_data is present, parser assumes that data is version 4 */
128   GST_LOG ("mpeg4video output caps: %" GST_PTR_FORMAT, caps);
129   s = gst_caps_get_structure (caps, 0);
130   fail_unless (gst_structure_has_name (s, "video/mpeg"));
131   fail_unless_structure_field_int_equals (s, "mpegversion", 4);
132   fail_unless_structure_field_int_equals (s, "width", 32);
133   fail_unless_structure_field_int_equals (s, "height", 24);
134   fail_unless (gst_structure_has_field (s, "codec_data"));
135 
136   /* check codec-data in more detail */
137   val = gst_structure_get_value (s, "codec_data");
138   fail_unless (val != NULL);
139   buf = gst_value_get_buffer (val);
140   fail_unless (buf != NULL);
141   /* codec-data == config header - GOP */
142   gst_buffer_map (buf, &map, GST_MAP_READ);
143   fail_unless (map.size == sizeof (mpeg4_config) - 7);
144   fail_unless (memcmp (map.data, mpeg4_config, map.size) == 0);
145   gst_buffer_unmap (buf, &map);
146 
147   gst_caps_unref (caps);
148 }
149 
150 GST_END_TEST;
151 
152 
153 static Suite *
mpeg4videoparse_suite(void)154 mpeg4videoparse_suite (void)
155 {
156   Suite *s = suite_create ("mpeg4videoparse");
157   TCase *tc_chain = tcase_create ("general");
158 
159   /* init test context */
160   ctx_factory = "mpeg4videoparse";
161   ctx_sink_template = &sinktemplate;
162   ctx_src_template = &srctemplate;
163   ctx_headers[0].data = mpeg4_config;
164   ctx_headers[0].size = sizeof (mpeg4_config);
165   ctx_verify_buffer = verify_buffer;
166   /* no timing info to parse */
167   ctx_no_metadata = TRUE;
168 
169   suite_add_tcase (s, tc_chain);
170   tcase_add_test (tc_chain, test_parse_normal);
171   tcase_add_test (tc_chain, test_parse_drain_single);
172   tcase_add_test (tc_chain, test_parse_split);
173   tcase_add_test (tc_chain, test_parse_detect_stream);
174 
175   return s;
176 }
177 
178 
179 /*
180  * TODO:
181  *   - Both push- and pull-modes need to be tested
182  *      * Pull-mode & EOS
183  */
184 GST_CHECK_MAIN (mpeg4videoparse);
185