From 2d5433b591202c02435004722ee7001d1228e308 Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Fri, 3 Aug 2007 16:09:01 +0000 Subject: [PATCH] gst/realmedia/: Add simple rdt manager. Original commit message from CVS: * gst/realmedia/Makefile.am: * gst/realmedia/rdtmanager.c: (find_session_by_id), (create_session), (free_session), (gst_rdt_manager_base_init), (gst_rdt_manager_marshal_BOXED__UINT_UINT), (gst_rdt_manager_class_init), (gst_rdt_manager_init), (gst_rdt_manager_finalize), (gst_rdt_manager_query_src), (gst_rdt_manager_chain_rtp), (gst_rdt_manager_chain_rtcp), (gst_rdt_manager_set_property), (gst_rdt_manager_get_property), (gst_rdt_manager_provide_clock), (gst_rdt_manager_change_state), (create_recv_rtp), (create_recv_rtcp), (create_rtcp), (gst_rdt_manager_request_new_pad), (gst_rdt_manager_release_pad), (gst_rdt_manager_plugin_init): * gst/realmedia/rdtmanager.h: * gst/realmedia/rmdemux.c: (plugin_init): Add simple rdt manager. --- ChangeLog | 18 + gst/realmedia/Makefile.am | 4 +- gst/realmedia/rdtmanager.c | 863 +++++++++++++++++++++++++++++++++++++++++++++ gst/realmedia/rdtmanager.h | 83 +++++ gst/realmedia/rmdemux.c | 4 + 5 files changed, 970 insertions(+), 2 deletions(-) create mode 100644 gst/realmedia/rdtmanager.c create mode 100644 gst/realmedia/rdtmanager.h diff --git a/ChangeLog b/ChangeLog index 9f4784a..72597fe 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,23 @@ 2007-08-03 Wim Taymans + * gst/realmedia/Makefile.am: + * gst/realmedia/rdtmanager.c: (find_session_by_id), + (create_session), (free_session), (gst_rdt_manager_base_init), + (gst_rdt_manager_marshal_BOXED__UINT_UINT), + (gst_rdt_manager_class_init), (gst_rdt_manager_init), + (gst_rdt_manager_finalize), (gst_rdt_manager_query_src), + (gst_rdt_manager_chain_rtp), (gst_rdt_manager_chain_rtcp), + (gst_rdt_manager_set_property), (gst_rdt_manager_get_property), + (gst_rdt_manager_provide_clock), (gst_rdt_manager_change_state), + (create_recv_rtp), (create_recv_rtcp), (create_rtcp), + (gst_rdt_manager_request_new_pad), (gst_rdt_manager_release_pad), + (gst_rdt_manager_plugin_init): + * gst/realmedia/rdtmanager.h: + * gst/realmedia/rmdemux.c: (plugin_init): + Add simple rdt manager. + +2007-08-03 Wim Taymans + * gst/realmedia/rdtdepay.c: Fix the encoding-name so that it matches what the rtsp extension sets. diff --git a/gst/realmedia/Makefile.am b/gst/realmedia/Makefile.am index cf7be04..064b046 100644 --- a/gst/realmedia/Makefile.am +++ b/gst/realmedia/Makefile.am @@ -1,7 +1,7 @@ plugin_LTLIBRARIES = libgstrmdemux.la libgstrmdemux_la_SOURCES = rademux.c rmdemux.c \ - rmutils.c rdtdepay.c \ + rmutils.c rdtdepay.c rdtmanager.c \ rtspreal.c realhash.c asmrules.c libgstrmdemux_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) @@ -9,7 +9,7 @@ libgstrmdemux_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS)\ -lgstrtsp-@GST_MAJORMINOR@ -lgstsdp-@GST_MAJORMINOR@ libgstrmdemux_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -noinst_HEADERS = rademux.h rmdemux.h rmutils.h rdtdepay.h rtspreal.h realhash.h asmrules.h +noinst_HEADERS = rademux.h rmdemux.h rmutils.h rdtdepay.h rdtmanager.h rtspreal.h realhash.h asmrules.h noinst_PROGRAMS = asmrules asmrules_CFLAGS = $(GST_CFLAGS) -DTEST diff --git a/gst/realmedia/rdtmanager.c b/gst/realmedia/rdtmanager.c new file mode 100644 index 0000000..e14c333 --- /dev/null +++ b/gst/realmedia/rdtmanager.c @@ -0,0 +1,863 @@ +/* GStreamer + * Copyright (C) <2005,2006> Wim Taymans + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +/* + * Unless otherwise indicated, Source Code is licensed under MIT license. + * See further explanation attached in License Statement (distributed in the file + * LICENSE). + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is furnished to do + * so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +/* Element-Checklist-Version: 5 */ + +/** + * SECTION:element-rdtmanager + * + * + * + * A simple RTP session manager used internally by rtspsrc. + * + * + * + * Last reviewed on 2006-06-20 (0.10.4) + */ + +/* #define HAVE_RTCP */ + +#include "rdtmanager.h" + +GST_DEBUG_CATEGORY_STATIC (rdtmanager_debug); +#define GST_CAT_DEFAULT (rdtmanager_debug) + +/* elementfactory information */ +static const GstElementDetails rdtmanager_details = +GST_ELEMENT_DETAILS ("RTP Decoder", + "Codec/Parser/Network", + "Accepts raw RTP and RTCP packets and sends them forward", + "Wim Taymans "); + +/* GstRDTManager signals and args */ +enum +{ + SIGNAL_REQUEST_PT_MAP, + SIGNAL_CLEAR_PT_MAP, + LAST_SIGNAL +}; + +#define DEFAULT_LATENCY_MS 200 + +enum +{ + PROP_0, + PROP_LATENCY +}; + +static GstStaticPadTemplate gst_rdt_manager_recv_rtp_sink_template = +GST_STATIC_PAD_TEMPLATE ("recv_rtp_sink_%d", + GST_PAD_SINK, + GST_PAD_REQUEST, + GST_STATIC_CAPS ("application/x-rtp") + ); + +static GstStaticPadTemplate gst_rdt_manager_recv_rtcp_sink_template = +GST_STATIC_PAD_TEMPLATE ("recv_rtcp_sink_%d", + GST_PAD_SINK, + GST_PAD_REQUEST, + GST_STATIC_CAPS ("application/x-rtcp") + ); + +static GstStaticPadTemplate gst_rdt_manager_recv_rtp_src_template = +GST_STATIC_PAD_TEMPLATE ("recv_rtp_src_%d_%d_%d", + GST_PAD_SRC, + GST_PAD_SOMETIMES, + GST_STATIC_CAPS ("application/x-rtp") + ); + +static GstStaticPadTemplate gst_rdt_manager_rtcp_src_template = +GST_STATIC_PAD_TEMPLATE ("rtcp_src_%d", + GST_PAD_SRC, + GST_PAD_REQUEST, + GST_STATIC_CAPS ("application/x-rtcp") + ); + +static void gst_rdt_manager_finalize (GObject * object); +static void gst_rdt_manager_set_property (GObject * object, + guint prop_id, const GValue * value, GParamSpec * pspec); +static void gst_rdt_manager_get_property (GObject * object, + guint prop_id, GValue * value, GParamSpec * pspec); + +static GstClock *gst_rdt_manager_provide_clock (GstElement * element); +static GstStateChangeReturn gst_rdt_manager_change_state (GstElement * element, + GstStateChange transition); +static GstPad *gst_rdt_manager_request_new_pad (GstElement * element, + GstPadTemplate * templ, const gchar * name); +static void gst_rdt_manager_release_pad (GstElement * element, GstPad * pad); + +static GstFlowReturn gst_rdt_manager_chain_rtp (GstPad * pad, + GstBuffer * buffer); +static GstFlowReturn gst_rdt_manager_chain_rtcp (GstPad * pad, + GstBuffer * buffer); + + +/* Manages the receiving end of the packets. + * + * There is one such structure for each RTP session (audio/video/...). + * We get the RTP/RTCP packets and stuff them into the session manager. + */ +struct _GstRDTManagerSession +{ + /* session id */ + gint id; + /* the parent bin */ + GstRDTManager *dec; + + gboolean active; + /* we only support one ssrc and one pt */ + guint32 ssrc; + guint8 pt; + GstCaps *caps; + + /* the pads of the session */ + GstPad *recv_rtp_sink; + GstPad *recv_rtp_src; + GstPad *recv_rtcp_sink; + GstPad *rtcp_src; +}; + +/* find a session with the given id */ +static GstRDTManagerSession * +find_session_by_id (GstRDTManager * rdtmanager, gint id) +{ + GSList *walk; + + for (walk = rdtmanager->sessions; walk; walk = g_slist_next (walk)) { + GstRDTManagerSession *sess = (GstRDTManagerSession *) walk->data; + + if (sess->id == id) + return sess; + } + return NULL; +} + +/* create a session with the given id */ +static GstRDTManagerSession * +create_session (GstRDTManager * rdtmanager, gint id) +{ + GstRDTManagerSession *sess; + + sess = g_new0 (GstRDTManagerSession, 1); + sess->id = id; + sess->dec = rdtmanager; + rdtmanager->sessions = g_slist_prepend (rdtmanager->sessions, sess); + + return sess; +} + +static void +free_session (GstRDTManagerSession * session) +{ + g_free (session); +} + +static guint gst_rdt_manager_signals[LAST_SIGNAL] = { 0 }; + +GST_BOILERPLATE (GstRDTManager, gst_rdt_manager, GstElement, GST_TYPE_ELEMENT); + +static void +gst_rdt_manager_base_init (gpointer klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + /* sink pads */ + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rdt_manager_recv_rtp_sink_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rdt_manager_recv_rtcp_sink_template)); + /* src pads */ + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rdt_manager_recv_rtp_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rdt_manager_rtcp_src_template)); + + gst_element_class_set_details (element_class, &rdtmanager_details); +} + +/* BOXED:UINT,UINT */ +#define g_marshal_value_peek_uint(v) g_value_get_uint (v) + +void +gst_rdt_manager_marshal_BOXED__UINT_UINT (GClosure * closure, + GValue * return_value, + guint n_param_values, + const GValue * param_values, + gpointer invocation_hint, gpointer marshal_data) +{ + typedef gpointer (*GMarshalFunc_BOXED__UINT_UINT) (gpointer data1, + guint arg_1, guint arg_2, gpointer data2); + register GMarshalFunc_BOXED__UINT_UINT callback; + register GCClosure *cc = (GCClosure *) closure; + register gpointer data1, data2; + gpointer v_return; + + g_return_if_fail (return_value != NULL); + g_return_if_fail (n_param_values == 3); + + if (G_CCLOSURE_SWAP_DATA (closure)) { + data1 = closure->data; + data2 = g_value_peek_pointer (param_values + 0); + } else { + data1 = g_value_peek_pointer (param_values + 0); + data2 = closure->data; + } + callback = + (GMarshalFunc_BOXED__UINT_UINT) (marshal_data ? marshal_data : cc-> + callback); + + v_return = callback (data1, + g_marshal_value_peek_uint (param_values + 1), + g_marshal_value_peek_uint (param_values + 2), data2); + + g_value_take_boxed (return_value, v_return); +} + +static void +gst_rdt_manager_class_init (GstRDTManagerClass * g_class) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + GstRDTManagerClass *klass; + + klass = (GstRDTManagerClass *) g_class; + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) klass; + + gobject_class->finalize = gst_rdt_manager_finalize; + gobject_class->set_property = gst_rdt_manager_set_property; + gobject_class->get_property = gst_rdt_manager_get_property; + + g_object_class_install_property (gobject_class, PROP_LATENCY, + g_param_spec_uint ("latency", "Buffer latency in ms", + "Amount of ms to buffer", 0, G_MAXUINT, DEFAULT_LATENCY_MS, + G_PARAM_READWRITE)); + + /** + * GstRDTManager::request-pt-map: + * @rdtmanager: the object which received the signal + * @session: the session + * @pt: the pt + * + * Request the payload type as #GstCaps for @pt in @session. + */ + gst_rdt_manager_signals[SIGNAL_REQUEST_PT_MAP] = + g_signal_new ("request-pt-map", G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRDTManagerClass, request_pt_map), + NULL, NULL, gst_rdt_manager_marshal_BOXED__UINT_UINT, GST_TYPE_CAPS, 2, + G_TYPE_UINT, G_TYPE_UINT); + + gst_rdt_manager_signals[SIGNAL_CLEAR_PT_MAP] = + g_signal_new ("clear-pt-map", G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRDTManagerClass, clear_pt_map), + NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0, G_TYPE_NONE); + + gstelement_class->provide_clock = + GST_DEBUG_FUNCPTR (gst_rdt_manager_provide_clock); + gstelement_class->change_state = + GST_DEBUG_FUNCPTR (gst_rdt_manager_change_state); + gstelement_class->request_new_pad = + GST_DEBUG_FUNCPTR (gst_rdt_manager_request_new_pad); + gstelement_class->release_pad = + GST_DEBUG_FUNCPTR (gst_rdt_manager_release_pad); + + GST_DEBUG_CATEGORY_INIT (rdtmanager_debug, "rdtmanager", 0, "RTP decoder"); +} + +static void +gst_rdt_manager_init (GstRDTManager * rdtmanager, GstRDTManagerClass * klass) +{ + rdtmanager->provided_clock = gst_system_clock_obtain (); + rdtmanager->latency = DEFAULT_LATENCY_MS; +} + +static void +gst_rdt_manager_finalize (GObject * object) +{ + GstRDTManager *rdtmanager; + + rdtmanager = GST_RDT_MANAGER (object); + + g_slist_foreach (rdtmanager->sessions, (GFunc) free_session, NULL); + g_slist_free (rdtmanager->sessions); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static gboolean +gst_rdt_manager_query_src (GstPad * pad, GstQuery * query) +{ + GstRDTManager *rdtmanager; + gboolean res; + + rdtmanager = GST_RDT_MANAGER (GST_PAD_PARENT (pad)); + + switch (GST_QUERY_TYPE (query)) { + case GST_QUERY_LATENCY: + { + /* we pretend to be live with a 3 second latency */ + gst_query_set_latency (query, TRUE, 3 * GST_SECOND, -1); + res = TRUE; + break; + } + default: + res = gst_pad_query_default (pad, query); + break; + } + return res; +} + +static GstFlowReturn +gst_rdt_manager_chain_rtp (GstPad * pad, GstBuffer * buffer) +{ + GstFlowReturn res; + GstRDTManager *rdtmanager; + GstRDTManagerSession *session; + guint32 ssrc; + guint8 pt; + + rdtmanager = GST_RDT_MANAGER (GST_PAD_PARENT (pad)); + + GST_DEBUG_OBJECT (rdtmanager, "got rtp packet"); + + ssrc = 0; + pt = 0; + + GST_DEBUG_OBJECT (rdtmanager, "SSRC %08x, PT %d", ssrc, pt); + + /* find session */ + session = gst_pad_get_element_private (pad); + + /* see if we have the pad */ + if (!session->active) { + GstPadTemplate *templ; + GstElementClass *klass; + gchar *name; + GstCaps *caps; + GValue ret = { 0 }; + GValue args[3] = { {0} + , {0} + , {0} + }; + + GST_DEBUG_OBJECT (rdtmanager, "creating stream"); + + session->ssrc = ssrc; + session->pt = pt; + + /* get pt map */ + g_value_init (&args[0], GST_TYPE_ELEMENT); + g_value_set_object (&args[0], rdtmanager); + g_value_init (&args[1], G_TYPE_UINT); + g_value_set_uint (&args[1], session->id); + g_value_init (&args[2], G_TYPE_UINT); + g_value_set_uint (&args[2], pt); + + g_value_init (&ret, GST_TYPE_CAPS); + g_value_set_boxed (&ret, NULL); + + g_signal_emitv (args, gst_rdt_manager_signals[SIGNAL_REQUEST_PT_MAP], 0, + &ret); + + caps = (GstCaps *) g_value_get_boxed (&ret); + + name = g_strdup_printf ("recv_rtp_src_%d_%u_%d", session->id, ssrc, pt); + klass = GST_ELEMENT_GET_CLASS (rdtmanager); + templ = gst_element_class_get_pad_template (klass, "recv_rtp_src_%d_%d_%d"); + session->recv_rtp_src = gst_pad_new_from_template (templ, name); + g_free (name); + + gst_pad_set_caps (session->recv_rtp_src, caps); + + gst_pad_set_element_private (session->recv_rtp_src, session); + gst_pad_set_query_function (session->recv_rtp_src, + gst_rdt_manager_query_src); + gst_pad_set_active (session->recv_rtp_src, TRUE); + gst_element_add_pad (GST_ELEMENT_CAST (rdtmanager), session->recv_rtp_src); + + session->active = TRUE; + } + + gst_buffer_set_caps (buffer, GST_PAD_CAPS (session->recv_rtp_src)); + + res = gst_pad_push (session->recv_rtp_src, buffer); + + return res; +} + +static GstFlowReturn +gst_rdt_manager_chain_rtcp (GstPad * pad, GstBuffer * buffer) +{ + GstRDTManager *src; + +#ifdef HAVE_RTCP + gboolean valid; + GstRTCPPacket packet; + gboolean more; +#endif + + src = GST_RDT_MANAGER (GST_PAD_PARENT (pad)); + + GST_DEBUG_OBJECT (src, "got rtcp packet"); + +#ifdef HAVE_RTCP + valid = gst_rtcp_buffer_validate (buffer); + if (!valid) + goto bad_packet; + + /* position on first packet */ + more = gst_rtcp_buffer_get_first_packet (buffer, &packet); + while (more) { + switch (gst_rtcp_packet_get_type (&packet)) { + case GST_RTCP_TYPE_SR: + { + guint32 ssrc, rtptime, packet_count, octet_count; + guint64 ntptime; + guint count, i; + + gst_rtcp_packet_sr_get_sender_info (&packet, &ssrc, &ntptime, &rtptime, + &packet_count, &octet_count); + + GST_DEBUG_OBJECT (src, + "got SR packet: SSRC %08x, NTP %" G_GUINT64_FORMAT + ", RTP %u, PC %u, OC %u", ssrc, ntptime, rtptime, packet_count, + octet_count); + + count = gst_rtcp_packet_get_rb_count (&packet); + for (i = 0; i < count; i++) { + guint32 ssrc, exthighestseq, jitter, lsr, dlsr; + guint8 fractionlost; + gint32 packetslost; + + gst_rtcp_packet_get_rb (&packet, i, &ssrc, &fractionlost, + &packetslost, &exthighestseq, &jitter, &lsr, &dlsr); + + GST_DEBUG_OBJECT (src, "got RB packet %d: SSRC %08x, FL %u" + ", PL %u, HS %u, JITTER %u, LSR %u, DLSR %u", ssrc, fractionlost, + packetslost, exthighestseq, jitter, lsr, dlsr); + } + break; + } + case GST_RTCP_TYPE_RR: + { + guint32 ssrc; + guint count, i; + + ssrc = gst_rtcp_packet_rr_get_ssrc (&packet); + + GST_DEBUG_OBJECT (src, "got RR packet: SSRC %08x", ssrc); + + count = gst_rtcp_packet_get_rb_count (&packet); + for (i = 0; i < count; i++) { + guint32 ssrc, exthighestseq, jitter, lsr, dlsr; + guint8 fractionlost; + gint32 packetslost; + + gst_rtcp_packet_get_rb (&packet, i, &ssrc, &fractionlost, + &packetslost, &exthighestseq, &jitter, &lsr, &dlsr); + + GST_DEBUG_OBJECT (src, "got RB packet %d: SSRC %08x, FL %u" + ", PL %u, HS %u, JITTER %u, LSR %u, DLSR %u", ssrc, fractionlost, + packetslost, exthighestseq, jitter, lsr, dlsr); + } + break; + } + case GST_RTCP_TYPE_SDES: + { + guint chunks, i, j; + gboolean more_chunks, more_items; + + chunks = gst_rtcp_packet_sdes_get_chunk_count (&packet); + GST_DEBUG_OBJECT (src, "got SDES packet with %d chunks", chunks); + + more_chunks = gst_rtcp_packet_sdes_first_chunk (&packet); + i = 0; + while (more_chunks) { + guint32 ssrc; + + ssrc = gst_rtcp_packet_sdes_get_ssrc (&packet); + + GST_DEBUG_OBJECT (src, "chunk %d, SSRC %08x", i, ssrc); + + more_items = gst_rtcp_packet_sdes_first_item (&packet); + j = 0; + while (more_items) { + GstRTCPSDESType type; + guint8 len; + gchar *data; + + gst_rtcp_packet_sdes_get_item (&packet, &type, &len, &data); + + GST_DEBUG_OBJECT (src, "item %d, type %d, len %d, data %s", j, + type, len, data); + + more_items = gst_rtcp_packet_sdes_next_item (&packet); + j++; + } + more_chunks = gst_rtcp_packet_sdes_next_chunk (&packet); + i++; + } + break; + } + case GST_RTCP_TYPE_BYE: + { + guint count, i; + gchar *reason; + + reason = gst_rtcp_packet_bye_get_reason (&packet); + GST_DEBUG_OBJECT (src, "got BYE packet (reason: %s)", + GST_STR_NULL (reason)); + g_free (reason); + + count = gst_rtcp_packet_bye_get_ssrc_count (&packet); + for (i = 0; i < count; i++) { + guint32 ssrc; + + + ssrc = gst_rtcp_packet_bye_get_nth_ssrc (&packet, i); + + GST_DEBUG_OBJECT (src, "SSRC: %08x", ssrc); + } + break; + } + case GST_RTCP_TYPE_APP: + GST_DEBUG_OBJECT (src, "got APP packet"); + break; + default: + GST_WARNING_OBJECT (src, "got unknown RTCP packet"); + break; + } + more = gst_rtcp_packet_move_to_next (&packet); + } + gst_buffer_unref (buffer); + return GST_FLOW_OK; + +bad_packet: + { + GST_WARNING_OBJECT (src, "got invalid RTCP packet"); + return GST_FLOW_OK; + } +#else + return GST_FLOW_OK; +#endif +} + +static void +gst_rdt_manager_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstRDTManager *src; + + src = GST_RDT_MANAGER (object); + + switch (prop_id) { + case PROP_LATENCY: + src->latency = g_value_get_uint (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_rdt_manager_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstRDTManager *src; + + src = GST_RDT_MANAGER (object); + + switch (prop_id) { + case PROP_LATENCY: + g_value_set_uint (value, src->latency); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static GstClock * +gst_rdt_manager_provide_clock (GstElement * element) +{ + GstRDTManager *rdtmanager; + + rdtmanager = GST_RDT_MANAGER (element); + + return GST_CLOCK_CAST (gst_object_ref (rdtmanager->provided_clock)); +} + +static GstStateChangeReturn +gst_rdt_manager_change_state (GstElement * element, GstStateChange transition) +{ + GstStateChangeReturn ret; + GstRDTManager *rdtmanager; + + rdtmanager = GST_RDT_MANAGER (element); + + switch (transition) { + default: + break; + } + + ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); + + switch (transition) { + case GST_STATE_CHANGE_READY_TO_PAUSED: + case GST_STATE_CHANGE_PLAYING_TO_PAUSED: + /* we're NO_PREROLL when going to PAUSED */ + ret = GST_STATE_CHANGE_NO_PREROLL; + break; + default: + break; + } + + return ret; +} + +/* Create a pad for receiving RTP for the session in @name + */ +static GstPad * +create_recv_rtp (GstRDTManager * rdtmanager, GstPadTemplate * templ, + const gchar * name) +{ + guint sessid; + GstRDTManagerSession *session; + + /* first get the session number */ + if (name == NULL || sscanf (name, "recv_rtp_sink_%d", &sessid) != 1) + goto no_name; + + GST_DEBUG_OBJECT (rdtmanager, "finding session %d", sessid); + + /* get or create session */ + session = find_session_by_id (rdtmanager, sessid); + if (!session) { + GST_DEBUG_OBJECT (rdtmanager, "creating session %d", sessid); + /* create session now */ + session = create_session (rdtmanager, sessid); + if (session == NULL) + goto create_error; + } + /* check if pad was requested */ + if (session->recv_rtp_sink != NULL) + goto existed; + + GST_DEBUG_OBJECT (rdtmanager, "getting RTP sink pad"); + + session->recv_rtp_sink = gst_pad_new_from_template (templ, name); + gst_pad_set_element_private (session->recv_rtp_sink, session); + gst_pad_set_chain_function (session->recv_rtp_sink, + gst_rdt_manager_chain_rtp); + gst_pad_set_active (session->recv_rtp_sink, TRUE); + gst_element_add_pad (GST_ELEMENT_CAST (rdtmanager), session->recv_rtp_sink); + + return session->recv_rtp_sink; + + /* ERRORS */ +no_name: + { + g_warning ("rdtmanager: invalid name given"); + return NULL; + } +create_error: + { + /* create_session already warned */ + return NULL; + } +existed: + { + g_warning ("rdtmanager: recv_rtp pad already requested for session %d", + sessid); + return NULL; + } +} + +/* Create a pad for receiving RTCP for the session in @name + */ +static GstPad * +create_recv_rtcp (GstRDTManager * rdtmanager, GstPadTemplate * templ, + const gchar * name) +{ + guint sessid; + GstRDTManagerSession *session; + + /* first get the session number */ + if (name == NULL || sscanf (name, "recv_rtcp_sink_%d", &sessid) != 1) + goto no_name; + + GST_DEBUG_OBJECT (rdtmanager, "finding session %d", sessid); + + /* get the session, it must exist or we error */ + session = find_session_by_id (rdtmanager, sessid); + if (!session) + goto no_session; + + /* check if pad was requested */ + if (session->recv_rtcp_sink != NULL) + goto existed; + + GST_DEBUG_OBJECT (rdtmanager, "getting RTCP sink pad"); + + session->recv_rtcp_sink = gst_pad_new_from_template (templ, name); + gst_pad_set_element_private (session->recv_rtp_sink, session); + gst_pad_set_chain_function (session->recv_rtcp_sink, + gst_rdt_manager_chain_rtcp); + gst_pad_set_active (session->recv_rtcp_sink, TRUE); + gst_element_add_pad (GST_ELEMENT_CAST (rdtmanager), session->recv_rtcp_sink); + + return session->recv_rtcp_sink; + + /* ERRORS */ +no_name: + { + g_warning ("rdtmanager: invalid name given"); + return NULL; + } +no_session: + { + g_warning ("rdtmanager: no session with id %d", sessid); + return NULL; + } +existed: + { + g_warning ("rdtmanager: recv_rtcp pad already requested for session %d", + sessid); + return NULL; + } +} + +/* Create a pad for sending RTCP for the session in @name + */ +static GstPad * +create_rtcp (GstRDTManager * rdtmanager, GstPadTemplate * templ, + const gchar * name) +{ + guint sessid; + GstRDTManagerSession *session; + + /* first get the session number */ + if (name == NULL || sscanf (name, "rtcp_src_%d", &sessid) != 1) + goto no_name; + + /* get or create session */ + session = find_session_by_id (rdtmanager, sessid); + if (!session) + goto no_session; + + /* check if pad was requested */ + if (session->rtcp_src != NULL) + goto existed; + + session->rtcp_src = gst_pad_new_from_template (templ, name); + gst_pad_set_active (session->rtcp_src, TRUE); + gst_element_add_pad (GST_ELEMENT_CAST (rdtmanager), session->rtcp_src); + + return session->rtcp_src; + + /* ERRORS */ +no_name: + { + g_warning ("rdtmanager: invalid name given"); + return NULL; + } +no_session: + { + g_warning ("rdtmanager: session with id %d does not exist", sessid); + return NULL; + } +existed: + { + g_warning ("rdtmanager: rtcp_src pad already requested for session %d", + sessid); + return NULL; + } +} + +/* + */ +static GstPad * +gst_rdt_manager_request_new_pad (GstElement * element, + GstPadTemplate * templ, const gchar * name) +{ + GstRDTManager *rdtmanager; + GstElementClass *klass; + GstPad *result; + + g_return_val_if_fail (templ != NULL, NULL); + g_return_val_if_fail (GST_IS_RDT_MANAGER (element), NULL); + + rdtmanager = GST_RDT_MANAGER (element); + klass = GST_ELEMENT_GET_CLASS (element); + + /* figure out the template */ + if (templ == gst_element_class_get_pad_template (klass, "recv_rtp_sink_%d")) { + result = create_recv_rtp (rdtmanager, templ, name); + } else if (templ == gst_element_class_get_pad_template (klass, + "recv_rtcp_sink_%d")) { + result = create_recv_rtcp (rdtmanager, templ, name); + } else if (templ == gst_element_class_get_pad_template (klass, "rtcp_src_%d")) { + result = create_rtcp (rdtmanager, templ, name); + } else + goto wrong_template; + + return result; + + /* ERRORS */ +wrong_template: + { + g_warning ("rdtmanager: this is not our template"); + return NULL; + } +} + +static void +gst_rdt_manager_release_pad (GstElement * element, GstPad * pad) +{ +} + +gboolean +gst_rdt_manager_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rdtmanager", + GST_RANK_MARGINAL, GST_TYPE_RDT_MANAGER); +} diff --git a/gst/realmedia/rdtmanager.h b/gst/realmedia/rdtmanager.h new file mode 100644 index 0000000..c83e2b9 --- /dev/null +++ b/gst/realmedia/rdtmanager.h @@ -0,0 +1,83 @@ +/* GStreamer + * Copyright (C) <2005,2006> Wim Taymans + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +/* + * Unless otherwise indicated, Source Code is licensed under MIT license. + * See further explanation attached in License Statement (distributed in the file + * LICENSE). + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is furnished to do + * so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __GST_RDT_MANAGER_H__ +#define __GST_RDT_MANAGER_H__ + +#include + +G_BEGIN_DECLS + +#define GST_TYPE_RDT_MANAGER (gst_rdt_manager_get_type()) +#define GST_IS_RDT_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RDT_MANAGER)) +#define GST_IS_RDT_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RDT_MANAGER)) +#define GST_RDT_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RDT_MANAGER, GstRDTManager)) +#define GST_RDT_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RDT_MANAGER, GstRDTManagerClass)) + +typedef struct _GstRDTManager GstRDTManager; +typedef struct _GstRDTManagerClass GstRDTManagerClass; +typedef struct _GstRDTManagerSession GstRDTManagerSession; + +struct _GstRDTManager { + GstElement element; + + guint latency; + GSList *sessions; + GstClock *provided_clock; +}; + +struct _GstRDTManagerClass { + GstElementClass parent_class; + + /* get the caps for pt */ + GstCaps* (*request_pt_map) (GstRDTManager *rtpdec, guint session, guint pt); + + void (*clear_pt_map) (GstRDTManager *rtpdec); +}; + +GType gst_rdt_manager_get_type(void); + +gboolean gst_rdt_manager_plugin_init (GstPlugin * plugin); + +G_END_DECLS + +#endif /* __GST_RDT_MANAGER_H__ */ diff --git a/gst/realmedia/rmdemux.c b/gst/realmedia/rmdemux.c index 0045d87..5575b61 100644 --- a/gst/realmedia/rmdemux.c +++ b/gst/realmedia/rmdemux.c @@ -29,6 +29,7 @@ #include "rmdemux.h" #include "rdtdepay.h" +#include "rdtmanager.h" #include "rtspreal.h" #include "rmutils.h" #include "rademux.h" @@ -2083,6 +2084,9 @@ plugin_init (GstPlugin * plugin) if (!gst_rdt_depay_plugin_init (plugin)) return FALSE; + if (!gst_rdt_manager_plugin_init (plugin)) + return FALSE; + if (!gst_rtsp_real_plugin_init (plugin)) return FALSE; -- 2.7.4