gstreamer/subprojects/gst-plugins-good/tests/check/elements/rtph263.c

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/* GStreamer
*
* Copyright (C) 2015 Pexip AS
* @author Stian Selnes <stian@pexip.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/check/check.h>
#include <gst/check/gstharness.h>
#include <gst/rtp/gstrtpbuffer.h>
#define RTP_H263_CAPS_STR(p) \
"application/x-rtp,media=video,encoding-name=H263,clock-rate=90000," \
"payload=" G_STRINGIFY(p)
#define H263P_RTP_CAPS_STR(p) \
"application/x-rtp,media=video,encoding-name=H263-1998,clock-rate=90000," \
"payload="G_STRINGIFY(p)
static gboolean
have_element (const gchar * element_name)
{
GstElement *element;
gboolean ret;
element = gst_element_factory_make (element_name, NULL);
ret = element != NULL;
if (element)
gst_object_unref (element);
return ret;
}
static GstBuffer *
create_rtp_buffer (guint8 * data, gsize size, guint ts, gint seqnum)
{
GstBuffer *buf = gst_rtp_buffer_new_copy_data (data, size);
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
GST_BUFFER_PTS (buf) = (ts) * (GST_SECOND / 30);
gst_rtp_buffer_map (buf, GST_MAP_WRITE, &rtp);
gst_rtp_buffer_set_seq (&rtp, seqnum);
gst_rtp_buffer_unmap (&rtp);
return buf;
}
GST_START_TEST (test_h263depay_start_packet_too_small_mode_a)
{
GstHarness *h = gst_harness_new ("rtph263depay");
guint8 packet[] = {
0x80, 0xa2, 0x17, 0x62, 0x57, 0xbb, 0x48, 0x98, 0x4a, 0x59, 0xe8, 0xdc,
0x00, 0x00, 0x80, 0x00
};
gst_harness_set_src_caps_str (h, RTP_H263_CAPS_STR (34));
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h, create_rtp_buffer (packet, sizeof (packet), 0, 0)));
/* Packet should be dropped and depayloader not crash */
fail_unless_equals_int (0, gst_harness_buffers_received (h));
gst_harness_teardown (h);
}
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GST_END_TEST;
GST_START_TEST (test_h263depay_start_packet_too_small_mode_b)
{
GstHarness *h = gst_harness_new ("rtph263depay");
guint8 packet[] = {
0x80, 0xa2, 0x17, 0x62, 0x57, 0xbb, 0x48, 0x98, 0x4a, 0x59, 0xe8, 0xdc,
0x80, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00
};
gst_harness_set_src_caps_str (h, RTP_H263_CAPS_STR (34));
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h, create_rtp_buffer (packet, sizeof (packet), 0, 0)));
/* Packet should be dropped and depayloader not crash */
fail_unless_equals_int (0, gst_harness_buffers_received (h));
gst_harness_teardown (h);
}
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GST_END_TEST;
GST_START_TEST (test_h263depay_start_packet_too_small_mode_c)
{
GstHarness *h = gst_harness_new ("rtph263depay");
guint8 packet[] = {
0x80, 0xa2, 0x17, 0x62, 0x57, 0xbb, 0x48, 0x98, 0x4a, 0x59, 0xe8, 0xdc,
0xc0, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
gst_harness_set_src_caps_str (h, RTP_H263_CAPS_STR (34));
fail_unless_equals_int (GST_FLOW_OK,
gst_harness_push (h, create_rtp_buffer (packet, sizeof (packet), 0, 0)));
/* Packet should be dropped and depayloader not crash */
fail_unless_equals_int (0, gst_harness_buffers_received (h));
gst_harness_teardown (h);
}
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GST_END_TEST;
GST_START_TEST (test_h263pay_mode_b_snow)
{
/* Payloading one large frame (like snow) is more likely to use mode b and
* trigger issues in valgrind seen previously like double free, invalid read
* etc. */
GstHarness *h;
guint frames = 1;
guint i;
if (!have_element ("avenc_h263"))
return;
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h = gst_harness_new_parse
("avenc_h263 rtp-payload-size=1 ! rtph263pay mtu=1350 ");
gst_harness_add_src_parse (h,
"videotestsrc pattern=snow is-live=1 ! "
"capsfilter caps=\"video/x-raw,format=I420,width=176,height=144\"", TRUE);
for (i = 0; i < frames; i++)
gst_harness_push_from_src (h);
fail_unless (gst_harness_buffers_received (h) >= frames);
gst_harness_teardown (h);
}
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GST_END_TEST;
/* gst_rtp_buffer_get_payload() may return a copy of the payload. This test
* makes sure that the rtph263pdepay also produces the correct output in this
* case. */
GST_START_TEST (test_h263pdepay_fragmented_memory_non_writable_buffer)
{
GstHarness *h;
GstBuffer *header_buf, *payload_buf, *buf;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
guint8 header[] = {
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0x04, 0x00
};
guint8 payload[] = {
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0x80, 0x02, 0x1c, 0xb8, 0x01, 0x00, 0x11, 0xe0, 0x44, 0xc4
};
guint8 frame[] = {
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0x00, 0x00, 0x80, 0x02, 0x1c, 0xb8, 0x01, 0x00, 0x11, 0xe0, 0x44, 0xc4
};
h = gst_harness_new ("rtph263pdepay");
gst_harness_set_src_caps_str (h, "application/x-rtp, media=video, "
"clock-rate=90000, encoding-name=H263-1998");
/* Packet with M=1, P=1 */
header_buf = gst_rtp_buffer_new_allocate (sizeof (header), 0, 0);
gst_rtp_buffer_map (header_buf, GST_MAP_WRITE, &rtp);
gst_rtp_buffer_set_marker (&rtp, TRUE);
memcpy (gst_rtp_buffer_get_payload (&rtp), header, sizeof (header));
gst_rtp_buffer_unmap (&rtp);
payload_buf = gst_buffer_new_allocate (NULL, sizeof (payload), NULL);
gst_buffer_fill (payload_buf, 0, payload, sizeof (payload));
buf = gst_buffer_append (header_buf, payload_buf);
gst_harness_push (h, gst_buffer_ref (buf));
gst_buffer_unref (buf);
buf = gst_harness_pull (h);
fail_unless (gst_buffer_memcmp (buf, 0, frame, sizeof (frame)) == 0);
gst_buffer_unref (buf);
gst_harness_teardown (h);
}
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GST_END_TEST;
/* gst_rtp_buffer_get_payload() may return a copy of the payload. This test
* makes sure that the rtph263pdepay also produces the correct output in this
* case. */
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GST_START_TEST
(test_h263pdepay_fragmented_memory_non_writable_buffer_split_frame) {
GstHarness *h;
GstBuffer *header_buf, *payload_buf, *buf;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
guint8 header[] = {
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0x04, 0x00
};
guint8 payload[] = {
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0x80, 0x02, 0x1c, 0xb8, 0x01, 0x00, 0x11, 0xe0, 0x44, 0xc4
};
guint8 frame[] = {
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0x00, 0x00, 0x80, 0x02, 0x1c, 0xb8, 0x01, 0x00, 0x11, 0xe0, 0x44, 0xc4
};
h = gst_harness_new ("rtph263pdepay");
gst_harness_set_src_caps_str (h, "application/x-rtp, media=video, "
"clock-rate=90000, encoding-name=H263-1998");
/* First packet, M=0, P=1 */
header_buf = gst_rtp_buffer_new_allocate (sizeof (header), 0, 0);
gst_rtp_buffer_map (header_buf, GST_MAP_WRITE, &rtp);
gst_rtp_buffer_set_marker (&rtp, FALSE);
gst_rtp_buffer_set_seq (&rtp, 0);
memcpy (gst_rtp_buffer_get_payload (&rtp), header, sizeof (header));
gst_rtp_buffer_unmap (&rtp);
payload_buf = gst_buffer_new_allocate (NULL, sizeof (payload), NULL);
gst_buffer_fill (payload_buf, 0, payload, sizeof (payload));
buf = gst_buffer_append (header_buf, payload_buf);
gst_harness_push (h, gst_buffer_ref (buf));
gst_buffer_unref (buf);
fail_unless_equals_int (gst_harness_buffers_received (h), 0);
/* Second packet, M=1, P=1 */
header_buf = gst_rtp_buffer_new_allocate (sizeof (header), 0, 0);
gst_rtp_buffer_map (header_buf, GST_MAP_WRITE, &rtp);
gst_rtp_buffer_set_marker (&rtp, TRUE);
gst_rtp_buffer_set_seq (&rtp, 1);
memcpy (gst_rtp_buffer_get_payload (&rtp), header, sizeof (header));
gst_rtp_buffer_unmap (&rtp);
payload_buf = gst_buffer_new_allocate (NULL, sizeof (payload), NULL);
gst_buffer_memset (payload_buf, 0, 0, 10);
buf = gst_buffer_append (header_buf, payload_buf);
gst_harness_push (h, gst_buffer_ref (buf));
gst_buffer_unref (buf);
fail_unless_equals_int (gst_harness_buffers_received (h), 1);
buf = gst_harness_pull (h);
fail_unless (gst_buffer_memcmp (buf, 0, frame, sizeof (frame)) == 0);
gst_buffer_unref (buf);
gst_harness_teardown (h);
}
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GST_END_TEST;
GST_START_TEST (test_h263pdepay_dont_push_empty_frame)
{
GstHarness *h = gst_harness_new ("rtph263pdepay");
/* Packet that only contains header information and an extra picture header
* (PLEN > 0). Partly handcrafted packet. Originally this packet did not
* have P=1 (hence it was not start of a picture). With both P=1 and M=1 we
* only need one packet to reproduce the issue where trying to push an empty
* frame when PLEN is set */
guint8 packet[] = {
0x80, 0xe8, 0xbc, 0xaa, 0x14, 0x12, 0x16, 0x5c, 0xb8, 0x4e, 0x39, 0x04,
0x25, 0x00, 0x54, 0x39, 0xd0, 0x12, 0x06, 0x9e, 0xb5, 0x0a, 0xf5, 0xe8,
0x32, 0xeb, 0xd0, 0x6b, 0xd6, 0xa2, 0xfa, 0xd4, 0x3d, 0xd7, 0xa0, 0x2b,
0x24, 0x97, 0xc3, 0xbf, 0xc0, 0xbb, 0xd7, 0xa0,
};
gst_harness_set_src_caps_str (h, H263P_RTP_CAPS_STR (100));
fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
create_rtp_buffer (packet, sizeof (packet), 0, 0)));
fail_unless_equals_int (gst_harness_buffers_received (h), 0);
gst_harness_teardown (h);
}
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GST_END_TEST;
GST_START_TEST (test_h263ppay_non_fixed_caps)
{
GstHarness *h;
guint8 frame[] = {
0x00, 0x00, 0x80, 0x06, 0x1c, 0xa8, 0x01, 0x04, 0x91, 0xe0, 0x37, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
};
h = gst_harness_new_parse ("rtph263ppay");
/* Set non-fixed caps after payloader */
gst_harness_set_caps_str (h, "video/x-h263, variant=(string)itu",
"application/x-rtp, clock-rate=[1, MAX]");
gst_harness_push (h, gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY,
frame, sizeof (frame), 0, sizeof (frame), NULL, NULL));
fail_unless_equals_int (1, gst_harness_buffers_received (h));
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
rtph263_suite (void)
{
Suite *s = suite_create ("rtph263");
TCase *tc_chain;
suite_add_tcase (s, (tc_chain = tcase_create ("h263depay")));
tcase_add_test (tc_chain, test_h263depay_start_packet_too_small_mode_a);
tcase_add_test (tc_chain, test_h263depay_start_packet_too_small_mode_b);
tcase_add_test (tc_chain, test_h263depay_start_packet_too_small_mode_c);
suite_add_tcase (s, (tc_chain = tcase_create ("h263pay")));
tcase_add_test (tc_chain, test_h263pay_mode_b_snow);
suite_add_tcase (s, (tc_chain = tcase_create ("h263pdepay")));
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tcase_add_test (tc_chain,
test_h263pdepay_fragmented_memory_non_writable_buffer);
tcase_add_test (tc_chain,
test_h263pdepay_fragmented_memory_non_writable_buffer_split_frame);
tcase_add_test (tc_chain, test_h263pdepay_dont_push_empty_frame);
suite_add_tcase (s, (tc_chain = tcase_create ("h263ppay")));
tcase_add_test (tc_chain, test_h263ppay_non_fixed_caps);
return s;
}
GST_CHECK_MAIN (rtph263);