3 * Unit test for gstrtpbin sending rtp packets using GstBufferList.
4 * Copyright (C) 2009 Branko Subasic <branko dot subasic at axis dot com>
5 * Copyright 2019, Collabora Ltd.
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.
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.
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.
23 #include <gst/check/gstcheck.h>
25 #include <gst/rtp/gstrtpbuffer.h>
28 /* This test makes sure that RTP packets sent as buffer lists are sent through
29 * the rtpbin as they are supposed to, and not corrupted in any way.
34 "application/x-rtp, " \
35 "media=(string)video, " \
36 "clock-rate=(int)90000, " \
37 "encoding-name=(string)H264, " \
38 "profile-level-id=(string)4d4015, " \
40 "ssrc=(guint)2633237432, " \
41 "clock-base=(guint)1868267015, " \
42 "seqnum-base=(guint)54229"
45 /* RTP headers and the first 2 bytes of the payload (FU indicator and FU header)
47 static const guint8 rtp_header[2][14] = {
48 {0x80, 0x60, 0xbb, 0xb7, 0x5c, 0xe9, 0x09,
49 0x0d, 0xf5, 0x9c, 0x43, 0x55, 0x1c, 0x86},
50 {0x80, 0x60, 0xbb, 0xb8, 0x5c, 0xe9, 0x09,
51 0x0d, 0xf5, 0x9c, 0x43, 0x55, 0x1c, 0x46}
54 static const guint rtp_header_len[] = {
61 static const char *payload =
62 "0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
63 "0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
64 "0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
65 "0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
66 "0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
67 "0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF0123456789ABSDEF"
68 "0123456789ABSDEF0123456";
70 static const guint payload_offset[] = {
74 static const guint payload_len[] = {
79 static GstBuffer *original_buffer = NULL;
81 static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
84 GST_STATIC_CAPS ("application/x-rtp"));
86 static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
89 GST_STATIC_CAPS ("application/x-rtp"));
93 create_original_buffer (void)
95 if (original_buffer != NULL)
96 return original_buffer;
99 gst_buffer_new_wrapped ((guint8 *) payload, strlen (payload));
100 fail_unless (original_buffer != NULL);
102 GST_BUFFER_TIMESTAMP (original_buffer) =
103 gst_clock_get_internal_time (gst_system_clock_obtain ());
105 return original_buffer;
108 static GstBufferList *
109 create_buffer_list (void)
112 GstBuffer *orig_buffer;
114 GstBuffer *sub_buffer;
116 orig_buffer = create_original_buffer ();
117 fail_if (orig_buffer == NULL);
119 list = gst_buffer_list_new ();
120 fail_if (list == NULL);
122 /*** First packet. **/
124 /* Create buffer with RTP header. */
125 buffer = gst_buffer_new_allocate (NULL, rtp_header_len[0], NULL);
126 gst_buffer_fill (buffer, 0, &rtp_header[0], rtp_header_len[0]);
127 gst_buffer_copy_into (buffer, orig_buffer, GST_BUFFER_COPY_METADATA, 0, -1);
129 /* Create the payload buffer and add it to the current buffer. */
131 gst_buffer_copy_region (orig_buffer, GST_BUFFER_COPY_MEMORY,
132 payload_offset[0], payload_len[0]);
134 buffer = gst_buffer_append (buffer, sub_buffer);
135 fail_if (buffer == NULL);
136 gst_buffer_list_add (list, buffer);
138 /*** Second packet. ***/
140 /* Create buffer with RTP header. */
141 buffer = gst_buffer_new_allocate (NULL, rtp_header_len[1], NULL);
142 gst_buffer_fill (buffer, 0, &rtp_header[1], rtp_header_len[1]);
143 gst_buffer_copy_into (buffer, orig_buffer, GST_BUFFER_COPY_METADATA, 0, -1);
145 /* Create the payload buffer and add it to the current buffer. */
147 gst_buffer_copy_region (orig_buffer, GST_BUFFER_COPY_MEMORY,
148 payload_offset[1], payload_len[1]);
150 buffer = gst_buffer_append (buffer, sub_buffer);
151 fail_if (buffer == NULL);
152 gst_buffer_list_add (list, buffer);
158 check_header (GstBuffer * buffer, guint index)
164 fail_if (buffer == NULL);
165 fail_unless (index < 2);
167 memory = gst_buffer_get_memory (buffer, 0);
168 ret = gst_memory_map (memory, &info, GST_MAP_READ);
169 fail_if (ret == FALSE);
171 fail_unless (info.size == rtp_header_len[index]);
173 /* Can't do a memcmp() on the whole header, cause the SSRC (bytes 8-11) will
174 * most likely be changed in gstrtpbin.
176 fail_unless (info.data != NULL);
177 fail_unless_equals_uint64 (*(guint64 *) info.data,
178 *(guint64 *) rtp_header[index]);
179 fail_unless (*(guint16 *) (info.data + 12) ==
180 *(guint16 *) (rtp_header[index] + 12));
182 gst_memory_unmap (memory, &info);
183 gst_memory_unref (memory);
187 check_payload (GstBuffer * buffer, guint index)
193 fail_if (buffer == NULL);
194 fail_unless (index < 2);
196 memory = gst_buffer_get_memory (buffer, 1);
197 ret = gst_memory_map (memory, &info, GST_MAP_READ);
198 fail_if (ret == FALSE);
200 fail_unless (info.size == payload_len[index]);
201 fail_if (info.data != (gpointer) (payload + payload_offset[index]));
202 fail_if (memcmp (info.data, payload + payload_offset[index],
203 payload_len[index]));
205 gst_memory_unmap (memory, &info);
206 gst_memory_unref (memory);
210 check_packet (GstBufferList * list, guint index)
214 fail_unless (list != NULL);
216 fail_unless ((buffer = gst_buffer_list_get (list, index)) != NULL);
217 fail_unless (gst_buffer_n_memory (buffer) == 2);
219 fail_unless (GST_BUFFER_TIMESTAMP (buffer) ==
220 GST_BUFFER_TIMESTAMP (original_buffer));
222 check_header (buffer, index);
223 check_payload (buffer, index);
227 sink_chain_list (GstPad * pad, GstObject * parent, GstBufferList * list)
229 GstCaps *current_caps;
232 current_caps = gst_pad_get_current_caps (pad);
233 fail_unless (current_caps != NULL);
235 caps = gst_caps_from_string (TEST_CAPS);
236 fail_unless (caps != NULL);
238 fail_unless (gst_caps_is_equal (caps, current_caps));
239 gst_caps_unref (caps);
240 gst_caps_unref (current_caps);
242 fail_unless (GST_IS_BUFFER_LIST (list));
243 fail_unless (gst_buffer_list_length (list) == 2);
245 fail_unless (gst_buffer_list_get (list, 0));
246 check_packet (list, 0);
248 fail_unless (gst_buffer_list_get (list, 1));
249 check_packet (list, 1);
251 gst_buffer_list_unref (list);
257 set_chain_function (GstPad * pad)
259 gst_pad_set_chain_list_function (pad, GST_DEBUG_FUNCPTR (sink_chain_list));
263 GST_START_TEST (test_bufferlist)
271 list = create_buffer_list ();
272 fail_unless (list != NULL);
274 rtpbin = gst_check_setup_element ("rtpbin");
277 gst_check_setup_src_pad_by_name (rtpbin, &srctemplate, "send_rtp_sink_0");
278 fail_if (srcpad == NULL);
280 gst_check_setup_sink_pad_by_name (rtpbin, &sinktemplate,
282 fail_if (sinkpad == NULL);
284 set_chain_function (sinkpad);
286 gst_pad_set_active (srcpad, TRUE);
287 gst_pad_set_active (sinkpad, TRUE);
289 caps = gst_caps_from_string (TEST_CAPS);
290 gst_check_setup_events (srcpad, rtpbin, caps, GST_FORMAT_TIME);
291 gst_caps_unref (caps);
293 gst_element_set_state (rtpbin, GST_STATE_PLAYING);
294 fail_unless (gst_pad_push_list (srcpad, list) == GST_FLOW_OK);
296 gst_pad_set_active (sinkpad, FALSE);
297 gst_pad_set_active (srcpad, FALSE);
299 gst_check_teardown_pad_by_name (rtpbin, "send_rtp_src_0");
300 gst_check_teardown_pad_by_name (rtpbin, "send_rtp_sink_0");
301 gst_check_teardown_element (rtpbin);
307 bufferlist_suite (void)
309 Suite *s = suite_create ("BufferList");
311 TCase *tc_chain = tcase_create ("general");
313 /* time out after 30s. */
314 tcase_set_timeout (tc_chain, 10);
316 suite_add_tcase (s, tc_chain);
317 tcase_add_test (tc_chain, test_bufferlist);
322 GST_CHECK_MAIN (bufferlist);