mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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55c961a4dc
Previously it was possible that a shared media was just in the process of being unprepared because the last client disappeared, while another client retrieved it from the cache and then tried to use it. Unless the media was reusable this would've then failed unnecessarily. To avoid this it is necessary to lock the media directly in gst_rtsp_media_factory_construct() and return a locked media. After locking the cached media it is necessary to check if the media was ever unprepared or is actually reusable and based on that either reuse it or create a new media. This minimally changes the gst_rtsp_media_factory_construct() API to always return a locked media, and adds a new gst_rtsp_media_can_be_shared() function to check if a media can actually be shared in practice. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4606>
404 lines
12 KiB
C
404 lines
12 KiB
C
/* GStreamer
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* Copyright (C) 2013 Branko Subasic <branko.subasic@axis.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/gstcheck.h>
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#include <rtsp-media-factory.h>
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#include <rtsp-session-media.h>
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#define TEST_PATH "rtsp://localhost:8554/test"
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#define SETUP_URL1 TEST_PATH "/stream=0"
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#define SETUP_URL2 TEST_PATH "/stream=1"
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GST_START_TEST (test_setup_url)
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{
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GstRTSPMediaFactory *factory;
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GstRTSPMedia *media;
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GstRTSPUrl *url, *setup_url;
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GstRTSPStream *stream;
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GstRTSPThreadPool *pool;
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GstRTSPThread *thread;
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GstRTSPSessionMedia *sm;
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GstRTSPStreamTransport *trans;
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GstRTSPTransport *ct;
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gint match_len;
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gchar *url_str, *url_str2;
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factory = gst_rtsp_media_factory_new ();
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fail_if (gst_rtsp_media_factory_is_shared (factory));
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fail_unless (gst_rtsp_url_parse (TEST_PATH, &url) == GST_RTSP_OK);
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gst_rtsp_media_factory_set_launch (factory,
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"( videotestsrc ! rtpvrawpay pt=96 name=pay0 )");
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media = gst_rtsp_media_factory_construct (factory, url);
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fail_unless (GST_IS_RTSP_MEDIA (media));
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fail_unless (gst_rtsp_media_n_streams (media) == 1);
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stream = gst_rtsp_media_get_stream (media, 0);
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fail_unless (GST_IS_RTSP_STREAM (stream));
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pool = gst_rtsp_thread_pool_new ();
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thread = gst_rtsp_thread_pool_get_thread (pool,
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GST_RTSP_THREAD_TYPE_MEDIA, NULL);
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fail_unless (gst_rtsp_media_prepare (media, thread));
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/* create session media and make sure it matches test path
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* note that gst_rtsp_session_media_new takes ownership of the media
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* thus no need to unref it at the bottom of function */
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sm = gst_rtsp_session_media_new (TEST_PATH, media);
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fail_unless (GST_IS_RTSP_SESSION_MEDIA (sm));
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fail_unless (gst_rtsp_session_media_matches (sm, TEST_PATH, &match_len));
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fail_unless (match_len == strlen (TEST_PATH));
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fail_unless (gst_rtsp_session_media_get_media (sm) == media);
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/* make a transport for the stream */
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gst_rtsp_transport_new (&ct);
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trans = gst_rtsp_session_media_set_transport (sm, stream, ct);
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fail_unless (gst_rtsp_session_media_get_transport (sm, 0) == trans);
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/* make sure there's no setup url stored initially */
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fail_unless (gst_rtsp_stream_transport_get_url (trans) == NULL);
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/* now store a setup url and make sure it can be retrieved and that it's correct */
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fail_unless (gst_rtsp_url_parse (SETUP_URL1, &setup_url) == GST_RTSP_OK);
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gst_rtsp_stream_transport_set_url (trans, setup_url);
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url_str = gst_rtsp_url_get_request_uri (setup_url);
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url_str2 =
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gst_rtsp_url_get_request_uri (gst_rtsp_stream_transport_get_url (trans));
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fail_if (g_strcmp0 (url_str, url_str2) != 0);
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g_free (url_str);
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g_free (url_str2);
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/* check that it's ok to try to store the same url again */
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gst_rtsp_stream_transport_set_url (trans, setup_url);
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fail_unless (gst_rtsp_media_unprepare (media));
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gst_rtsp_url_free (setup_url);
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gst_rtsp_url_free (url);
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gst_rtsp_media_unlock (media);
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g_object_unref (sm);
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g_object_unref (factory);
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g_object_unref (pool);
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}
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GST_END_TEST;
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GST_START_TEST (test_rtsp_state)
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{
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GstRTSPMediaFactory *factory;
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GstRTSPMedia *media;
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GstRTSPUrl *url;
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GstRTSPStream *stream;
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GstRTSPThreadPool *pool;
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GstRTSPThread *thread;
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GstRTSPSessionMedia *sm;
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factory = gst_rtsp_media_factory_new ();
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fail_if (gst_rtsp_media_factory_is_shared (factory));
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fail_unless (gst_rtsp_url_parse (TEST_PATH, &url) == GST_RTSP_OK);
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gst_rtsp_media_factory_set_launch (factory,
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"( videotestsrc ! rtpvrawpay pt=96 name=pay0 )");
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media = gst_rtsp_media_factory_construct (factory, url);
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fail_unless (GST_IS_RTSP_MEDIA (media));
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fail_unless (gst_rtsp_media_n_streams (media) == 1);
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stream = gst_rtsp_media_get_stream (media, 0);
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fail_unless (GST_IS_RTSP_STREAM (stream));
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pool = gst_rtsp_thread_pool_new ();
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thread = gst_rtsp_thread_pool_get_thread (pool,
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GST_RTSP_THREAD_TYPE_MEDIA, NULL);
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fail_unless (gst_rtsp_media_prepare (media, thread));
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sm = gst_rtsp_session_media_new (TEST_PATH, media);
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fail_unless (GST_IS_RTSP_SESSION_MEDIA (sm));
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fail_unless_equals_int (gst_rtsp_session_media_get_rtsp_state (sm),
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GST_RTSP_STATE_INIT);
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gst_rtsp_session_media_set_rtsp_state (sm, GST_RTSP_STATE_READY);
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fail_unless_equals_int (gst_rtsp_session_media_get_rtsp_state (sm),
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GST_RTSP_STATE_READY);
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gst_rtsp_session_media_set_rtsp_state (sm, GST_RTSP_STATE_SEEKING);
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fail_unless_equals_int (gst_rtsp_session_media_get_rtsp_state (sm),
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GST_RTSP_STATE_SEEKING);
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gst_rtsp_session_media_set_rtsp_state (sm, GST_RTSP_STATE_PLAYING);
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fail_unless_equals_int (gst_rtsp_session_media_get_rtsp_state (sm),
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GST_RTSP_STATE_PLAYING);
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gst_rtsp_session_media_set_rtsp_state (sm, GST_RTSP_STATE_RECORDING);
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fail_unless_equals_int (gst_rtsp_session_media_get_rtsp_state (sm),
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GST_RTSP_STATE_RECORDING);
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fail_unless (gst_rtsp_media_unprepare (media));
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gst_rtsp_url_free (url);
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gst_rtsp_media_unlock (media);
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g_object_unref (sm);
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g_object_unref (factory);
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g_object_unref (pool);
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}
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GST_END_TEST;
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GST_START_TEST (test_transports)
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{
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GstRTSPMediaFactory *factory;
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GstRTSPMedia *media;
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GstRTSPUrl *url;
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GstRTSPStream *stream1, *stream2;
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GstRTSPThreadPool *pool;
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GstRTSPThread *thread;
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GstRTSPSessionMedia *sm;
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GstRTSPStreamTransport *trans;
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GstRTSPTransport *ct1, *ct2, *ct3, *ct4;
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gint match_len;
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factory = gst_rtsp_media_factory_new ();
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fail_if (gst_rtsp_media_factory_is_shared (factory));
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fail_unless (gst_rtsp_url_parse (TEST_PATH, &url) == GST_RTSP_OK);
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gst_rtsp_media_factory_set_launch (factory,
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"( videotestsrc ! rtpvrawpay pt=96 name=pay0 audiotestsrc ! rtpgstpay pt=97 name=pay1 )");
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media = gst_rtsp_media_factory_construct (factory, url);
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fail_unless (GST_IS_RTSP_MEDIA (media));
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fail_unless (gst_rtsp_media_n_streams (media) == 2);
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stream1 = gst_rtsp_media_get_stream (media, 0);
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fail_unless (GST_IS_RTSP_STREAM (stream1));
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stream2 = gst_rtsp_media_get_stream (media, 1);
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fail_unless (GST_IS_RTSP_STREAM (stream2));
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pool = gst_rtsp_thread_pool_new ();
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thread = gst_rtsp_thread_pool_get_thread (pool,
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GST_RTSP_THREAD_TYPE_MEDIA, NULL);
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fail_unless (gst_rtsp_media_prepare (media, thread));
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sm = gst_rtsp_session_media_new (TEST_PATH, media);
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fail_unless (GST_IS_RTSP_SESSION_MEDIA (sm));
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fail_unless (gst_rtsp_session_media_matches (sm, TEST_PATH, &match_len));
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fail_unless (match_len == strlen (TEST_PATH));
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gst_rtsp_transport_new (&ct1);
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trans = gst_rtsp_session_media_set_transport (sm, stream1, ct1);
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fail_unless (gst_rtsp_session_media_get_transport (sm, 0) == trans);
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gst_rtsp_transport_new (&ct2);
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trans = gst_rtsp_session_media_set_transport (sm, stream1, ct2);
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fail_unless (gst_rtsp_session_media_get_transport (sm, 0) == trans);
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gst_rtsp_transport_new (&ct3);
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trans = gst_rtsp_session_media_set_transport (sm, stream2, ct3);
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fail_unless (gst_rtsp_session_media_get_transport (sm, 1) == trans);
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gst_rtsp_transport_new (&ct4);
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trans = gst_rtsp_session_media_set_transport (sm, stream2, ct4);
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fail_unless (gst_rtsp_session_media_get_transport (sm, 1) == trans);
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fail_unless (gst_rtsp_media_unprepare (media));
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gst_rtsp_url_free (url);
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gst_rtsp_media_unlock (media);
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g_object_unref (sm);
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g_object_unref (factory);
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g_object_unref (pool);
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}
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GST_END_TEST;
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GST_START_TEST (test_time_and_rtpinfo)
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{
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GstRTSPMediaFactory *factory;
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GstRTSPMedia *media;
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GstRTSPUrl *url;
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GstRTSPStream *stream1, *stream2;
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GstRTSPThreadPool *pool;
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GstRTSPThread *thread;
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GstRTSPSessionMedia *sm;
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GstClockTime base_time;
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gchar *rtpinfo;
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GstRTSPTransport *ct1;
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GstRTSPStreamTransport *trans;
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GstRTSPUrl *setup_url;
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gchar **streaminfo;
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factory = gst_rtsp_media_factory_new ();
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fail_if (gst_rtsp_media_factory_is_shared (factory));
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fail_unless (gst_rtsp_url_parse (TEST_PATH, &url) == GST_RTSP_OK);
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gst_rtsp_media_factory_set_launch (factory,
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"( videotestsrc do-timestamp=true timestamp-offset=0 ! rtpvrawpay pt=96 name=pay0 "
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"audiotestsrc do-timestamp=true timestamp-offset=1000000000 ! rtpgstpay pt=97 name=pay1 )");
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media = gst_rtsp_media_factory_construct (factory, url);
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fail_unless (GST_IS_RTSP_MEDIA (media));
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fail_unless (gst_rtsp_media_n_streams (media) == 2);
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stream1 = gst_rtsp_media_get_stream (media, 0);
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fail_unless (GST_IS_RTSP_STREAM (stream1));
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stream2 = gst_rtsp_media_get_stream (media, 1);
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fail_unless (GST_IS_RTSP_STREAM (stream2));
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pool = gst_rtsp_thread_pool_new ();
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thread = gst_rtsp_thread_pool_get_thread (pool,
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GST_RTSP_THREAD_TYPE_MEDIA, NULL);
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fail_unless (gst_rtsp_media_prepare (media, thread));
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sm = gst_rtsp_session_media_new (TEST_PATH, media);
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fail_unless (GST_IS_RTSP_SESSION_MEDIA (sm));
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base_time = gst_rtsp_session_media_get_base_time (sm);
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fail_unless_equals_int64 (base_time, 0);
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rtpinfo = gst_rtsp_session_media_get_rtpinfo (sm);
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fail_unless (rtpinfo == NULL);
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gst_rtsp_transport_new (&ct1);
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trans = gst_rtsp_session_media_set_transport (sm, stream1, ct1);
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fail_unless (gst_rtsp_session_media_get_transport (sm, 0) == trans);
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fail_unless (gst_rtsp_url_parse (SETUP_URL1, &setup_url) == GST_RTSP_OK);
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gst_rtsp_stream_transport_set_url (trans, setup_url);
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base_time = gst_rtsp_session_media_get_base_time (sm);
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fail_unless_equals_int64 (base_time, 0);
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rtpinfo = gst_rtsp_session_media_get_rtpinfo (sm);
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streaminfo = g_strsplit (rtpinfo, ",", 1);
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g_free (rtpinfo);
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fail_unless (g_strstr_len (streaminfo[0], -1, "url=") != NULL);
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fail_unless (g_strstr_len (streaminfo[0], -1, "seq=") != NULL);
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fail_unless (g_strstr_len (streaminfo[0], -1, "rtptime=") != NULL);
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fail_unless (g_strstr_len (streaminfo[0], -1, SETUP_URL1) != NULL);
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g_strfreev (streaminfo);
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fail_unless (gst_rtsp_media_unprepare (media));
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rtpinfo = gst_rtsp_session_media_get_rtpinfo (sm);
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fail_unless (rtpinfo == NULL);
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gst_rtsp_url_free (setup_url);
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gst_rtsp_url_free (url);
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gst_rtsp_media_unlock (media);
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g_object_unref (sm);
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g_object_unref (factory);
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g_object_unref (pool);
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}
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GST_END_TEST;
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GST_START_TEST (test_allocate_channels)
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{
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GstRTSPMediaFactory *factory;
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GstRTSPMedia *media;
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GstRTSPUrl *url;
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GstRTSPStream *stream;
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GstRTSPThreadPool *pool;
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GstRTSPThread *thread;
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GstRTSPSessionMedia *sm;
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GstRTSPRange range;
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factory = gst_rtsp_media_factory_new ();
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fail_if (gst_rtsp_media_factory_is_shared (factory));
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fail_unless (gst_rtsp_url_parse (TEST_PATH, &url) == GST_RTSP_OK);
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gst_rtsp_media_factory_set_launch (factory,
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"( videotestsrc ! rtpvrawpay pt=96 name=pay0 )");
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media = gst_rtsp_media_factory_construct (factory, url);
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fail_unless (GST_IS_RTSP_MEDIA (media));
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fail_unless (gst_rtsp_media_n_streams (media) == 1);
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stream = gst_rtsp_media_get_stream (media, 0);
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fail_unless (GST_IS_RTSP_STREAM (stream));
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pool = gst_rtsp_thread_pool_new ();
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thread = gst_rtsp_thread_pool_get_thread (pool,
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GST_RTSP_THREAD_TYPE_MEDIA, NULL);
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fail_unless (gst_rtsp_media_prepare (media, thread));
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sm = gst_rtsp_session_media_new (TEST_PATH, media);
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fail_unless (GST_IS_RTSP_SESSION_MEDIA (sm));
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fail_unless (gst_rtsp_session_media_alloc_channels (sm, &range));
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fail_unless_equals_int (range.min, 0);
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fail_unless_equals_int (range.max, 1);
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fail_unless (gst_rtsp_session_media_alloc_channels (sm, &range));
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fail_unless_equals_int (range.min, 2);
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fail_unless_equals_int (range.max, 3);
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fail_unless (gst_rtsp_media_unprepare (media));
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gst_rtsp_url_free (url);
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gst_rtsp_media_unlock (media);
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g_object_unref (sm);
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g_object_unref (factory);
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g_object_unref (pool);
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}
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GST_END_TEST;
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static Suite *
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rtspsessionmedia_suite (void)
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{
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Suite *s = suite_create ("rtspsessionmedia");
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TCase *tc = tcase_create ("general");
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suite_add_tcase (s, tc);
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tcase_set_timeout (tc, 20);
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tcase_add_test (tc, test_setup_url);
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tcase_add_test (tc, test_rtsp_state);
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tcase_add_test (tc, test_transports);
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tcase_add_test (tc, test_time_and_rtpinfo);
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tcase_add_test (tc, test_allocate_channels);
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return s;
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}
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GST_CHECK_MAIN (rtspsessionmedia);
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