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;
109 create_rtp_packet_buffer (gconstpointer header, gint header_size,
110 GstBuffer * payload_buffer, gint payload_offset, gint payload_size)
113 GstBuffer *sub_buffer;
115 /* Create buffer with RTP header. */
116 buffer = gst_buffer_new_allocate (NULL, header_size, NULL);
117 gst_buffer_fill (buffer, 0, header, header_size);
118 gst_buffer_copy_into (buffer, payload_buffer, GST_BUFFER_COPY_METADATA, 0,
121 /* Create the payload buffer and add it to the current buffer. */
123 gst_buffer_copy_region (payload_buffer, GST_BUFFER_COPY_MEMORY,
124 payload_offset, payload_size);
126 buffer = gst_buffer_append (buffer, sub_buffer);
127 fail_if (buffer == NULL);
132 static GstBufferList *
133 create_buffer_list (void)
136 GstBuffer *orig_buffer;
139 orig_buffer = create_original_buffer ();
140 fail_if (orig_buffer == NULL);
142 list = gst_buffer_list_new ();
143 fail_if (list == NULL);
145 /*** First packet. **/
147 create_rtp_packet_buffer (&rtp_header[0], rtp_header_len[0], orig_buffer,
148 payload_offset[0], payload_len[0]);
149 gst_buffer_list_add (list, buffer);
151 /*** Second packet. ***/
153 create_rtp_packet_buffer (&rtp_header[1], rtp_header_len[1], orig_buffer,
154 payload_offset[1], payload_len[1]);
155 gst_buffer_list_add (list, buffer);
161 check_header (GstBuffer * buffer, guint index)
167 fail_if (buffer == NULL);
168 fail_unless (index < 2);
170 memory = gst_buffer_get_memory (buffer, 0);
171 ret = gst_memory_map (memory, &info, GST_MAP_READ);
172 fail_if (ret == FALSE);
174 fail_unless (info.size == rtp_header_len[index]);
176 /* Can't do a memcmp() on the whole header, cause the SSRC (bytes 8-11) will
177 * most likely be changed in gstrtpbin.
179 fail_unless (info.data != NULL);
180 fail_unless_equals_uint64 (*(guint64 *) info.data,
181 *(guint64 *) rtp_header[index]);
182 fail_unless (*(guint16 *) (info.data + 12) ==
183 *(guint16 *) (rtp_header[index] + 12));
185 gst_memory_unmap (memory, &info);
186 gst_memory_unref (memory);
190 check_payload (GstBuffer * buffer, guint index)
196 fail_if (buffer == NULL);
197 fail_unless (index < 2);
199 memory = gst_buffer_get_memory (buffer, 1);
200 ret = gst_memory_map (memory, &info, GST_MAP_READ);
201 fail_if (ret == FALSE);
203 fail_unless (info.size == payload_len[index]);
204 fail_if (info.data != (gpointer) (payload + payload_offset[index]));
205 fail_if (memcmp (info.data, payload + payload_offset[index],
206 payload_len[index]));
208 gst_memory_unmap (memory, &info);
209 gst_memory_unref (memory);
213 check_packet (GstBufferList * list, guint list_index, guint packet_index)
217 fail_unless (list != NULL);
219 fail_unless ((buffer = gst_buffer_list_get (list, list_index)) != NULL);
220 fail_unless (gst_buffer_n_memory (buffer) == 2);
222 fail_unless (GST_BUFFER_TIMESTAMP (buffer) ==
223 GST_BUFFER_TIMESTAMP (original_buffer));
225 check_header (buffer, packet_index);
226 check_payload (buffer, packet_index);
230 * Used to verify that the chain_list function is actually implemented by the
231 * element and called when executing the pipeline. This is needed because pads
232 * always have a default chain_list handler which handle buffers in a buffer
233 * list individually, and pushing a list to a pad can succeed even if no
234 * chain_list handler has been set.
236 static gboolean chain_list_func_called;
239 sink_chain_list (GstPad * pad, GstObject * parent, GstBufferList * list)
241 GstCaps *current_caps;
244 chain_list_func_called = TRUE;
246 current_caps = gst_pad_get_current_caps (pad);
247 fail_unless (current_caps != NULL);
249 caps = gst_caps_from_string (TEST_CAPS);
250 fail_unless (caps != NULL);
252 fail_unless (gst_caps_is_equal (caps, current_caps));
253 gst_caps_unref (caps);
254 gst_caps_unref (current_caps);
256 fail_unless (GST_IS_BUFFER_LIST (list));
257 fail_unless (gst_buffer_list_length (list) == 2);
259 fail_unless (gst_buffer_list_get (list, 0));
260 check_packet (list, 0, 0);
262 fail_unless (gst_buffer_list_get (list, 1));
263 check_packet (list, 1, 1);
265 gst_buffer_list_unref (list);
271 set_chain_function (GstPad * pad)
273 gst_pad_set_chain_list_function (pad, GST_DEBUG_FUNCPTR (sink_chain_list));
277 GST_START_TEST (test_bufferlist)
285 list = create_buffer_list ();
286 fail_unless (list != NULL);
288 rtpbin = gst_check_setup_element ("rtpbin");
291 gst_check_setup_src_pad_by_name (rtpbin, &srctemplate, "send_rtp_sink_0");
292 fail_if (srcpad == NULL);
294 gst_check_setup_sink_pad_by_name (rtpbin, &sinktemplate,
296 fail_if (sinkpad == NULL);
298 set_chain_function (sinkpad);
300 gst_pad_set_active (srcpad, TRUE);
301 gst_pad_set_active (sinkpad, TRUE);
303 caps = gst_caps_from_string (TEST_CAPS);
304 gst_check_setup_events (srcpad, rtpbin, caps, GST_FORMAT_TIME);
305 gst_caps_unref (caps);
307 gst_element_set_state (rtpbin, GST_STATE_PLAYING);
309 chain_list_func_called = FALSE;
310 fail_unless (gst_pad_push_list (srcpad, list) == GST_FLOW_OK);
311 fail_if (chain_list_func_called == FALSE);
313 gst_pad_set_active (sinkpad, FALSE);
314 gst_pad_set_active (srcpad, FALSE);
316 gst_check_teardown_pad_by_name (rtpbin, "send_rtp_src_0");
317 gst_check_teardown_pad_by_name (rtpbin, "send_rtp_sink_0");
318 gst_check_teardown_element (rtpbin);
324 bufferlist_suite (void)
326 Suite *s = suite_create ("BufferList");
328 TCase *tc_chain = tcase_create ("general");
330 /* time out after 30s. */
331 tcase_set_timeout (tc_chain, 10);
333 suite_add_tcase (s, tc_chain);
334 tcase_add_test (tc_chain, test_bufferlist);
339 GST_CHECK_MAIN (bufferlist);