1 /* GStreamer
2 *
3 * unit test for voaacenc
4 *
5 * Copyright (C) <2009> Mark Nauwelaerts <mnauw@users.sf.net>
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 #include <gst/audio/audio.h>
27
28 /* For ease of programming we use globals to keep refs for our floating
29 * src and sink pads we create; otherwise we always have to do get_pad,
30 * get_peer, and then remove references in every test function */
31 static GstPad *mysrcpad, *mysinkpad;
32
33 #define AUDIO_CAPS_STRING "audio/x-raw, " \
34 "format = (string) " GST_AUDIO_NE (S16) ", "\
35 "layout = (string) interleaved, " \
36 "rate = (int) 48000, " \
37 "channels = (int) 2, " \
38 "channel-mask = (bitmask) 3"
39
40 #define AAC_RAW_CAPS_STRING "audio/mpeg, " \
41 "mpegversion = (int) 4, " \
42 "rate = (int) 48000, " \
43 "channels = (int) 2, " \
44 "stream-format = \"raw\""
45
46 #define AAC_ADTS_CAPS_STRING "audio/mpeg, " \
47 "mpegversion = (int) 4, " \
48 "rate = (int) 48000, " \
49 "channels = (int) 2, " \
50 "stream-format = \"adts\""
51
52
53 static GstStaticPadTemplate sinktemplate_adts = GST_STATIC_PAD_TEMPLATE ("sink",
54 GST_PAD_SINK,
55 GST_PAD_ALWAYS,
56 GST_STATIC_CAPS (AAC_ADTS_CAPS_STRING));
57
58 static GstStaticPadTemplate sinktemplate_raw = GST_STATIC_PAD_TEMPLATE ("sink",
59 GST_PAD_SINK,
60 GST_PAD_ALWAYS,
61 GST_STATIC_CAPS (AAC_RAW_CAPS_STRING));
62
63
64 static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
65 GST_PAD_SRC,
66 GST_PAD_ALWAYS,
67 GST_STATIC_CAPS (AUDIO_CAPS_STRING));
68
69
70 static GstElement *
setup_voaacenc(gboolean adts)71 setup_voaacenc (gboolean adts)
72 {
73 GstElement *voaacenc;
74
75 GST_DEBUG ("setup_voaacenc");
76 voaacenc = gst_check_setup_element ("voaacenc");
77 mysrcpad = gst_check_setup_src_pad (voaacenc, &srctemplate);
78
79 if (adts)
80 mysinkpad = gst_check_setup_sink_pad (voaacenc, &sinktemplate_adts);
81 else
82 mysinkpad = gst_check_setup_sink_pad (voaacenc, &sinktemplate_raw);
83
84 gst_pad_set_active (mysrcpad, TRUE);
85 gst_pad_set_active (mysinkpad, TRUE);
86
87 return voaacenc;
88 }
89
90 static void
cleanup_voaacenc(GstElement * voaacenc)91 cleanup_voaacenc (GstElement * voaacenc)
92 {
93 GST_DEBUG ("cleanup_aacenc");
94 gst_element_set_state (voaacenc, GST_STATE_NULL);
95
96 gst_pad_set_active (mysrcpad, FALSE);
97 gst_pad_set_active (mysinkpad, FALSE);
98 gst_check_teardown_src_pad (voaacenc);
99 gst_check_teardown_sink_pad (voaacenc);
100 gst_check_teardown_element (voaacenc);
101 }
102
103 static void
do_test(gboolean adts)104 do_test (gboolean adts)
105 {
106 GstElement *voaacenc;
107 GstBuffer *inbuffer, *outbuffer;
108 GstCaps *caps;
109 gint i, num_buffers;
110 const gint nbuffers = 10;
111
112 voaacenc = setup_voaacenc (adts);
113 fail_unless (gst_element_set_state (voaacenc,
114 GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
115 "could not set to playing");
116
117 /* corresponds to audio buffer mentioned in the caps */
118 inbuffer = gst_buffer_new_and_alloc (1024 * nbuffers * 2 * 2);
119 /* makes valgrind's memcheck happier */
120 gst_buffer_memset (inbuffer, 0, 0, 1024 * nbuffers * 2 * 2);
121 caps = gst_caps_from_string (AUDIO_CAPS_STRING);
122
123 gst_check_setup_events (mysrcpad, voaacenc, caps, GST_FORMAT_TIME);
124 gst_caps_unref (caps);
125 GST_BUFFER_TIMESTAMP (inbuffer) = 0;
126 ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
127 fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
128
129 /* send eos to have all flushed if needed */
130 fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()) == TRUE);
131
132 num_buffers = g_list_length (buffers);
133 fail_unless_equals_int (num_buffers, nbuffers);
134
135 /* clean up buffers */
136 for (i = 0; i < num_buffers; ++i) {
137 gint header = 0, id;
138 GstMapInfo map;
139 gsize size;
140 guint8 *data;
141
142 outbuffer = GST_BUFFER (buffers->data);
143 fail_if (outbuffer == NULL);
144
145 gst_buffer_map (outbuffer, &map, GST_MAP_READ);
146 data = map.data;
147 size = map.size;
148
149 if (adts) {
150 gboolean protection;
151 gint k;
152
153 fail_if (size < 7);
154 protection = !(data[1] & 0x1);
155 /* expect only 1 raw data block */
156 k = (data[6] & 0x3) + 1;
157 fail_if (k != 1);
158
159 header = 7;
160 if (protection)
161 header += (k - 1) * 2 + 2;
162
163 /* check header */
164 k = GST_READ_UINT16_BE (data) & 0xFFF6;
165 /* sync */
166 fail_unless (k == 0xFFF0);
167 k = data[2];
168 /* profile */
169 fail_unless ((k >> 6) == 0x1);
170 /* rate */
171 fail_unless (((k >> 2) & 0xF) == 0x3);
172 /* channels */
173 fail_unless ((k & 0x1) == 0);
174 k = data[3];
175 fail_unless ((k >> 6) == 0x2);
176
177 } else {
178 GstCaps *caps;
179 GstStructure *s;
180 const GValue *value;
181 GstBuffer *buf;
182 gint k;
183 GstMapInfo cmap;
184
185 caps = gst_pad_get_current_caps (mysinkpad);
186 fail_if (caps == NULL);
187 s = gst_caps_get_structure (caps, 0);
188 fail_if (s == NULL);
189 value = gst_structure_get_value (s, "codec_data");
190 fail_if (value == NULL);
191 buf = gst_value_get_buffer (value);
192 fail_if (buf == NULL);
193 gst_buffer_map (buf, &cmap, GST_MAP_READ);
194 fail_if (cmap.size < 2);
195 k = GST_READ_UINT16_BE (cmap.data);
196 gst_buffer_unmap (buf, &cmap);
197 /* profile, rate, channels */
198 fail_unless ((k & 0xFFF8) == ((0x02 << 11) | (0x3 << 7) | (0x02 << 3)));
199 gst_caps_unref (caps);
200
201 }
202
203 fail_if (size <= header);
204 id = data[header] & (0x7 << 5);
205 /* allow all but ID_END or ID_LFE */
206 fail_if (id == 7 || id == 3);
207 gst_buffer_unmap (outbuffer, &map);
208
209 buffers = g_list_remove (buffers, outbuffer);
210
211 ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
212 gst_buffer_unref (outbuffer);
213 outbuffer = NULL;
214 }
215
216 cleanup_voaacenc (voaacenc);
217 g_list_free (buffers);
218 buffers = NULL;
219 }
220
GST_START_TEST(test_adts)221 GST_START_TEST (test_adts)
222 {
223 do_test (TRUE);
224 }
225
226 GST_END_TEST;
227
GST_START_TEST(test_raw)228 GST_START_TEST (test_raw)
229 {
230 do_test (FALSE);
231 }
232
233 GST_END_TEST;
234
235 static Suite *
voaacenc_suite(void)236 voaacenc_suite (void)
237 {
238 Suite *s = suite_create ("voaacenc");
239 TCase *tc_chain = tcase_create ("general");
240
241 suite_add_tcase (s, tc_chain);
242 tcase_add_test (tc_chain, test_adts);
243 tcase_add_test (tc_chain, test_raw);
244
245 return s;
246 }
247
248 GST_CHECK_MAIN (voaacenc);
249