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