Add RTP session management elements. Still in progress.

Original commit message from CVS:
* configure.ac:
* gst/rtpmanager/Makefile.am:
* gst/rtpmanager/async_jitter_queue.c: (async_jitter_queue_new),
(signal_waiting_threads), (async_jitter_queue_ref),
(async_jitter_queue_ref_unlocked),
(async_jitter_queue_set_low_threshold),
(async_jitter_queue_set_high_threshold),
(async_jitter_queue_set_max_queue_length),
(async_jitter_queue_get_g_queue), (calculate_ts_diff),
(async_jitter_queue_length_ts_units_unlocked),
(async_jitter_queue_unref_and_unlock), (async_jitter_queue_unref),
(async_jitter_queue_lock), (async_jitter_queue_unlock),
(async_jitter_queue_push), (async_jitter_queue_push_unlocked),
(async_jitter_queue_push_sorted),
(async_jitter_queue_push_sorted_unlocked),
(async_jitter_queue_insert_after_unlocked),
(async_jitter_queue_pop_intern_unlocked), (async_jitter_queue_pop),
(async_jitter_queue_pop_unlocked), (async_jitter_queue_length),
(async_jitter_queue_length_unlocked),
(async_jitter_queue_set_flushing_unlocked),
(async_jitter_queue_unset_flushing_unlocked),
(async_jitter_queue_set_blocking_unlocked):
* gst/rtpmanager/async_jitter_queue.h:
* gst/rtpmanager/gstrtpbin.c: (gst_rtp_bin_base_init),
(gst_rtp_bin_class_init), (gst_rtp_bin_init),
(gst_rtp_bin_finalize), (gst_rtp_bin_set_property),
(gst_rtp_bin_get_property), (gst_rtp_bin_change_state),
(gst_rtp_bin_request_new_pad), (gst_rtp_bin_release_pad):
* gst/rtpmanager/gstrtpbin.h:
* gst/rtpmanager/gstrtpclient.c: (new_pad), (create_stream),
(free_stream), (find_stream_by_ssrc), (gst_rtp_client_base_init),
(gst_rtp_client_class_init), (gst_rtp_client_init),
(gst_rtp_client_finalize), (gst_rtp_client_set_property),
(gst_rtp_client_get_property), (gst_rtp_client_change_state),
(gst_rtp_client_request_new_pad), (gst_rtp_client_release_pad):
* gst/rtpmanager/gstrtpclient.h:
* gst/rtpmanager/gstrtpjitterbuffer.c:
(gst_rtp_jitter_buffer_base_init),
(gst_rtp_jitter_buffer_class_init), (gst_rtp_jitter_buffer_init),
(gst_rtp_jitter_buffer_dispose), (gst_rtp_jitter_buffer_getcaps),
(gst_jitter_buffer_sink_setcaps), (free_func),
(gst_rtp_jitter_buffer_flush_start),
(gst_rtp_jitter_buffer_flush_stop),
(gst_rtp_jitter_buffer_src_activate_push),
(gst_rtp_jitter_buffer_change_state), (priv_compare_rtp_seq_lt),
(compare_rtp_buffers_seq_num), (gst_rtp_jitter_buffer_sink_event),
(gst_rtp_jitter_buffer_chain), (gst_rtp_jitter_buffer_loop),
(gst_rtp_jitter_buffer_query),
(gst_rtp_jitter_buffer_set_property),
(gst_rtp_jitter_buffer_get_property):
* gst/rtpmanager/gstrtpjitterbuffer.h:
* gst/rtpmanager/gstrtpmanager.c: (plugin_init):
* gst/rtpmanager/gstrtpptdemux.c: (gst_rtp_pt_demux_base_init),
(gst_rtp_pt_demux_class_init), (gst_rtp_pt_demux_init),
(gst_rtp_pt_demux_finalize), (gst_rtp_pt_demux_chain),
(gst_rtp_pt_demux_getcaps), (find_pad_for_pt),
(gst_rtp_pt_demux_setup), (gst_rtp_pt_demux_release),
(gst_rtp_pt_demux_change_state):
* gst/rtpmanager/gstrtpptdemux.h:
* gst/rtpmanager/gstrtpsession.c: (gst_rtp_session_base_init),
(gst_rtp_session_class_init), (gst_rtp_session_init),
(gst_rtp_session_finalize), (gst_rtp_session_set_property),
(gst_rtp_session_get_property), (gst_rtp_session_change_state),
(gst_rtp_session_chain_recv_rtp),
(gst_rtp_session_chain_recv_rtcp),
(gst_rtp_session_chain_send_rtp), (create_recv_rtp_sink),
(create_recv_rtcp_sink), (create_send_rtp_sink), (create_rtcp_src),
(gst_rtp_session_request_new_pad), (gst_rtp_session_release_pad):
* gst/rtpmanager/gstrtpsession.h:
Add RTP session management elements. Still in progress.

1 files changed, 130 insertions, 0 deletions

diff --git a/gst/rtpmanager/async_jitter_queue.h b/gst/rtpmanager/async_jitter_queue.h
new file mode 100644
index 00000000..bea76d6d
--- /dev/null
+++ b/gst/rtpmanager/async_jitter_queue.h
@@ -0,0 +1,130 @@
+/* Async Jitter Queue based on g_async_queue
+ *
+ * Farsight Voice+Video library
+ *  Copyright 2007 Collabora Ltd, 
+ *  Copyright 2007 Nokia Corporation
+ *   @author: Philippe Khalaf <philippe.khalaf@collabora.co.uk>.
+ */
+
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GLib Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/. 
+ */
+
+#ifndef __ASYNCJITTERQUEUE_H__
+#define __ASYNCJITTERQUEUE_H__
+
+#include <glib.h>
+#include <glib/gthread.h>
+
+G_BEGIN_DECLS
+
+typedef struct _AsyncJitterQueue     AsyncJitterQueue;
+
+/* Asyncronous Queues, can be used to communicate between threads
+ */
+
+/* Get a new AsyncJitterQueue with the ref_count 1 */
+AsyncJitterQueue*  async_jitter_queue_new                (void);
+
+/* Lock and unlock a AsyncJitterQueue. All functions lock the queue for
+ * themselves, but in certain cirumstances you want to hold the lock longer,
+ * thus you lock the queue, call the *_unlocked functions and unlock it again.
+ */
+void          async_jitter_queue_lock               (AsyncJitterQueue *queue);
+void          async_jitter_queue_unlock             (AsyncJitterQueue *queue);
+
+/* Ref and unref the AsyncJitterQueue. */
+AsyncJitterQueue*  async_jitter_queue_ref           (AsyncJitterQueue *queue);
+void          async_jitter_queue_unref              (AsyncJitterQueue *queue);
+#ifndef G_DISABLE_DEPRECATED
+/* You don't have to hold the lock for calling *_ref and *_unref anymore. */
+void          async_jitter_queue_ref_unlocked       (AsyncJitterQueue *queue);
+void          async_jitter_queue_unref_and_unlock   (AsyncJitterQueue *queue);
+#endif /* !G_DISABLE_DEPRECATED */
+
+void          async_jitter_queue_set_low_threshold  (AsyncJitterQueue *queue,
+                                                gfloat threshold);
+void          async_jitter_queue_set_high_threshold (AsyncJitterQueue *queue,
+                                                gfloat threshold);
+
+void          async_jitter_queue_set_max_queue_length (AsyncJitterQueue *queue,
+                                                guint32 max_length);
+
+/* Push data into the async queue. Must not be NULL. */
+void          async_jitter_queue_push               (AsyncJitterQueue *queue,
+                                                gpointer     data);
+void          async_jitter_queue_push_unlocked      (AsyncJitterQueue *queue,
+                                                gpointer     data);
+gboolean      async_jitter_queue_push_sorted        (AsyncJitterQueue *queue,
+                                                gpointer          data,
+                                                GCompareDataFunc  func,
+                                                gpointer          user_data);
+
+void          async_jitter_queue_insert_after_unlocked(AsyncJitterQueue *queue,
+                                                GList *sibling,
+                                                gpointer data);
+
+gboolean      async_jitter_queue_push_sorted_unlocked(AsyncJitterQueue *queue,
+                                                gpointer          data,
+                                                GCompareDataFunc  func,
+                                                gpointer          user_data);
+
+/* Pop data from the async queue. When no data is there, the thread is blocked
+ * until data arrives. */
+gpointer      async_jitter_queue_pop                (AsyncJitterQueue *queue);
+gpointer      async_jitter_queue_pop_unlocked       (AsyncJitterQueue *queue);
+
+/* Try to pop data. NULL is returned in case of empty queue. */
+gpointer      async_jitter_queue_try_pop            (AsyncJitterQueue *queue);
+gpointer      async_jitter_queue_try_pop_unlocked   (AsyncJitterQueue *queue);
+
+/* Wait for data until at maximum until end_time is reached. NULL is returned
+ * in case of empty queue. */
+gpointer      async_jitter_queue_timed_pop          (AsyncJitterQueue *queue,
+                                                GTimeVal    *end_time);
+gpointer      async_jitter_queue_timed_pop_unlocked (AsyncJitterQueue *queue,
+                                                GTimeVal    *end_time);
+
+/* Return the length of the queue. Negative values mean that threads
+ * are waiting, positve values mean that there are entries in the
+ * queue. Actually this function returns the length of the queue minus
+ * the number of waiting threads, async_jitter_queue_length == 0 could also
+ * mean 'n' entries in the queue and 'n' thread waiting. Such can
+ * happen due to locking of the queue or due to scheduling. */
+gint          async_jitter_queue_length             (AsyncJitterQueue *queue);
+gint          async_jitter_queue_length_unlocked    (AsyncJitterQueue *queue);
+
+void          async_jitter_queue_set_flushing_unlocked   (AsyncJitterQueue* queue, 
+                                                          GFunc free_func, gpointer user_data);
+void          async_jitter_queue_unset_flushing_unlocked (AsyncJitterQueue* queue);
+void          async_jitter_queue_set_blocking_unlocked   (AsyncJitterQueue* queue,
+                                                          gboolean blocking);
+guint32
+async_jitter_queue_length_ts_units_unlocked (AsyncJitterQueue *queue);
+
+G_END_DECLS
+
+#endif /* __ASYNCJITTERQUEUE_H__ */
+