1 /* GStreamer
2 *
3 * unit test for wavpackdec
4 *
5 * Copyright (c) 2006 Sebastian Dröge <slomo@circular-chaos.org>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23 #include <unistd.h>
24
25 #include <gst/check/gstcheck.h>
26
27 /* For ease of programming we use globals to keep refs for our floating
28 * src and sink pads we create; otherwise we always have to do get_pad,
29 * get_peer, and then remove references in every test function */
30 static GstPad *mysrcpad, *mysinkpad;
31
32 #if G_BYTE_ORDER == G_BIG_ENDIAN
33 #define AUDIO_FORMAT "S16BE"
34 #else
35 #define AUDIO_FORMAT "S16LE"
36 #endif
37
38 guint8 test_frame[] = {
39 0x77, 0x76, 0x70, 0x6B, /* "wvpk" */
40 0x2E, 0x00, 0x00, 0x00, /* ckSize */
41 0x04, 0x04, /* version */
42 0x00, /* track_no */
43 0x00, /* index_no */
44 0x00, 0x64, 0x00, 0x00, /* total_samples */
45 0x00, 0x00, 0x00, 0x00, /* block_index */
46 0x00, 0x64, 0x00, 0x00, /* block_samples */
47 0x05, 0x18, 0x80, 0x04, /* flags */
48 0xFF, 0xAF, 0x80, 0x60, /* crc */
49 0x02, 0x00, 0x03, 0x00, /* data */
50 0x04, 0x00, 0x05, 0x03,
51 0x00, 0x00, 0x00, 0x00,
52 0x00, 0x00, 0x8A, 0x02,
53 0x00, 0x00, 0xFF, 0x7F,
54 0x00, 0xE4,
55 };
56
57 static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
58 GST_PAD_SINK,
59 GST_PAD_ALWAYS,
60 GST_STATIC_CAPS ("audio/x-raw, "
61 "format = (string) " AUDIO_FORMAT ", "
62 "layout = (string) interleaved, "
63 "channels = (int) 1, " "rate = (int) 44100")
64 );
65
66 #define WAVPACK_CAPS "audio/x-wavpack, " \
67 "depth = (int) 16, " \
68 "channels = (int) 1, " "rate = (int) 44100, " "framed = (boolean) true"
69
70 static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
71 GST_PAD_SRC,
72 GST_PAD_ALWAYS,
73 GST_STATIC_CAPS (WAVPACK_CAPS)
74 );
75
76 static GstElement *
setup_wavpackdec(void)77 setup_wavpackdec (void)
78 {
79 GstElement *wavpackdec;
80 GstCaps *caps;
81
82 GST_DEBUG ("setup_wavpackdec");
83 wavpackdec = gst_check_setup_element ("wavpackdec");
84 mysrcpad = gst_check_setup_src_pad (wavpackdec, &srctemplate);
85 mysinkpad = gst_check_setup_sink_pad (wavpackdec, &sinktemplate);
86 gst_pad_set_active (mysrcpad, TRUE);
87 gst_pad_set_active (mysinkpad, TRUE);
88
89 caps = gst_caps_from_string (WAVPACK_CAPS);
90 gst_check_setup_events (mysrcpad, wavpackdec, caps, GST_FORMAT_TIME);
91 gst_caps_unref (caps);
92
93 fail_unless (gst_element_set_state (wavpackdec,
94 GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
95 "could not set to playing");
96
97 return wavpackdec;
98 }
99
100 static void
cleanup_wavpackdec(GstElement * wavpackdec)101 cleanup_wavpackdec (GstElement * wavpackdec)
102 {
103 GST_DEBUG ("cleanup_wavpackdec");
104 gst_element_set_state (wavpackdec, GST_STATE_NULL);
105
106 gst_pad_set_active (mysrcpad, FALSE);
107 gst_pad_set_active (mysinkpad, FALSE);
108 gst_check_teardown_src_pad (wavpackdec);
109 gst_check_teardown_sink_pad (wavpackdec);
110 gst_check_teardown_element (wavpackdec);
111 }
112
GST_START_TEST(test_decode_frame)113 GST_START_TEST (test_decode_frame)
114 {
115 GstElement *wavpackdec;
116 GstBuffer *inbuffer, *outbuffer;
117 GstBus *bus;
118 int i;
119 GstMapInfo map;
120
121 wavpackdec = setup_wavpackdec ();
122 bus = gst_bus_new ();
123
124 inbuffer = gst_buffer_new_and_alloc (sizeof (test_frame));
125 gst_buffer_fill (inbuffer, 0, test_frame, sizeof (test_frame));
126 ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
127 GST_BUFFER_TIMESTAMP (inbuffer) = 0;
128
129 gst_element_set_bus (wavpackdec, bus);
130
131 /* should decode the buffer without problems */
132 fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_OK);
133
134 outbuffer = GST_BUFFER (buffers->data);
135
136 fail_if (outbuffer == NULL);
137
138 gst_buffer_map (outbuffer, &map, GST_MAP_READ);
139
140 /* uncompressed data should be 102400 bytes */
141 fail_unless_equals_int (map.size, 51200);
142
143 /* and all bytes must be 0, i.e. silence */
144 for (i = 0; i < 51200; i++)
145 fail_unless_equals_int (map.data[i], 0);
146
147 gst_buffer_unmap (outbuffer, &map);
148
149 ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
150 gst_buffer_unref (outbuffer);
151 outbuffer = NULL;
152
153 g_list_free (buffers);
154 buffers = NULL;
155
156 gst_bus_set_flushing (bus, TRUE);
157 gst_element_set_bus (wavpackdec, NULL);
158 gst_object_unref (GST_OBJECT (bus));
159 cleanup_wavpackdec (wavpackdec);
160 }
161
162 GST_END_TEST;
163
GST_START_TEST(test_decode_frame_with_broken_header)164 GST_START_TEST (test_decode_frame_with_broken_header)
165 {
166 GstElement *wavpackdec;
167 GstBuffer *inbuffer;
168 GstBus *bus;
169 GstMessage *message;
170
171 wavpackdec = setup_wavpackdec ();
172 bus = gst_bus_new ();
173
174 inbuffer = gst_buffer_new_and_alloc (sizeof (test_frame));
175 gst_buffer_fill (inbuffer, 0, test_frame, sizeof (test_frame));
176 /* break header */
177 gst_buffer_memset (inbuffer, 2, 'e', 1);
178 ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
179 GST_BUFFER_TIMESTAMP (inbuffer) = 0;
180
181 gst_element_set_bus (wavpackdec, bus);
182
183 /* should fail gracefully */
184 fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_ERROR);
185
186 fail_if ((message = gst_bus_pop (bus)) == NULL);
187 fail_unless_message_error (message, STREAM, DECODE);
188 gst_message_unref (message);
189
190 gst_element_set_bus (wavpackdec, NULL);
191 gst_object_unref (GST_OBJECT (bus));
192 cleanup_wavpackdec (wavpackdec);
193 }
194
195 GST_END_TEST;
196
GST_START_TEST(test_decode_frame_with_incomplete_frame)197 GST_START_TEST (test_decode_frame_with_incomplete_frame)
198 {
199 GstElement *wavpackdec;
200 GstBuffer *inbuffer;
201 GstBus *bus;
202 GstMessage *message;
203
204 wavpackdec = setup_wavpackdec ();
205 bus = gst_bus_new ();
206
207 inbuffer = gst_buffer_new_and_alloc (sizeof (test_frame) - 2);
208 gst_buffer_fill (inbuffer, 0, test_frame, sizeof (test_frame) - 2);
209 ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
210 GST_BUFFER_TIMESTAMP (inbuffer) = 0;
211
212 gst_element_set_bus (wavpackdec, bus);
213
214 /* should fail gracefully */
215 fail_unless_equals_int (gst_pad_push (mysrcpad, inbuffer), GST_FLOW_ERROR);
216
217 fail_if ((message = gst_bus_pop (bus)) == NULL);
218 fail_unless_message_error (message, STREAM, DECODE);
219 gst_message_unref (message);
220
221
222 gst_element_set_bus (wavpackdec, NULL);
223 gst_object_unref (GST_OBJECT (bus));
224 cleanup_wavpackdec (wavpackdec);
225 }
226
227 GST_END_TEST;
228
229 static Suite *
wavpackdec_suite(void)230 wavpackdec_suite (void)
231 {
232 Suite *s = suite_create ("wavpackdec");
233 TCase *tc_chain = tcase_create ("general");
234
235 suite_add_tcase (s, tc_chain);
236 tcase_add_test (tc_chain, test_decode_frame);
237 tcase_add_test (tc_chain, test_decode_frame_with_broken_header);
238 tcase_add_test (tc_chain, test_decode_frame_with_incomplete_frame);
239
240 return s;
241 }
242
243 GST_CHECK_MAIN (wavpackdec);
244