1 /* GStreamer 2 * Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __GST_RTP_BIN_H__ 21 #define __GST_RTP_BIN_H__ 22 23 #include <gst/gst.h> 24 25 #include "rtpsession.h" 26 #include "gstrtpsession.h" 27 #include "rtpjitterbuffer.h" 28 29 #define GST_TYPE_RTP_BIN \ 30 (gst_rtp_bin_get_type()) 31 #define GST_RTP_BIN(obj) \ 32 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_BIN,GstRtpBin)) 33 #define GST_RTP_BIN_CLASS(klass) \ 34 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_BIN,GstRtpBinClass)) 35 #define GST_IS_RTP_BIN(obj) \ 36 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_BIN)) 37 #define GST_IS_RTP_BIN_CLASS(klass) \ 38 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_BIN)) 39 40 typedef enum 41 { 42 GST_RTP_BIN_RTCP_SYNC_ALWAYS, 43 GST_RTP_BIN_RTCP_SYNC_INITIAL, 44 GST_RTP_BIN_RTCP_SYNC_RTP 45 } GstRTCPSync; 46 47 typedef struct _GstRtpBin GstRtpBin; 48 typedef struct _GstRtpBinClass GstRtpBinClass; 49 typedef struct _GstRtpBinPrivate GstRtpBinPrivate; 50 51 struct _GstRtpBin { 52 GstBin bin; 53 54 /*< private >*/ 55 /* default latency for sessions */ 56 guint latency_ms; 57 guint64 latency_ns; 58 gboolean drop_on_latency; 59 gboolean do_lost; 60 gboolean ignore_pt; 61 gboolean ntp_sync; 62 gint rtcp_sync; 63 guint rtcp_sync_interval; 64 RTPJitterBufferMode buffer_mode; 65 gboolean buffering; 66 gboolean use_pipeline_clock; 67 GstRtpNtpTimeSource ntp_time_source; 68 gboolean send_sync_event; 69 GstClockTime buffer_start; 70 gboolean do_retransmission; 71 GstRTPProfile rtp_profile; 72 gboolean rtcp_sync_send_time; 73 gint max_rtcp_rtp_time_diff; 74 guint32 max_dropout_time; 75 guint32 max_misorder_time; 76 gboolean rfc7273_sync; 77 guint max_streams; 78 guint64 max_ts_offset_adjustment; 79 gint64 max_ts_offset; 80 gboolean max_ts_offset_is_set; 81 82 /* a list of session */ 83 GSList *sessions; 84 85 /* a list of clients, these are streams with the same CNAME */ 86 GSList *clients; 87 88 /* the default SDES items for sessions */ 89 GstStructure *sdes; 90 91 /*< private >*/ 92 GstRtpBinPrivate *priv; 93 }; 94 95 struct _GstRtpBinClass { 96 GstBinClass parent_class; 97 98 /* get the caps for pt */ 99 GstCaps* (*request_pt_map) (GstRtpBin *rtpbin, guint session, guint pt); 100 101 void (*payload_type_change) (GstRtpBin *rtpbin, guint session, guint pt); 102 103 void (*new_jitterbuffer) (GstRtpBin *rtpbin, GstElement *jitterbuffer, guint session, guint32 ssrc); 104 105 void (*new_storage) (GstRtpBin *rtpbin, GstElement *jitterbuffer, guint session); 106 107 /* action signals */ 108 void (*clear_pt_map) (GstRtpBin *rtpbin); 109 void (*reset_sync) (GstRtpBin *rtpbin); 110 GstElement* (*get_session) (GstRtpBin *rtpbin, guint session); 111 RTPSession* (*get_internal_session) (GstRtpBin *rtpbin, guint session); 112 GstElement* (*get_storage) (GstRtpBin *rtpbin, guint session); 113 GObject* (*get_internal_storage) (GstRtpBin *rtpbin, guint session); 114 115 /* session manager signals */ 116 void (*on_new_ssrc) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 117 void (*on_ssrc_collision) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 118 void (*on_ssrc_validated) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 119 void (*on_ssrc_active) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 120 void (*on_ssrc_sdes) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 121 void (*on_bye_ssrc) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 122 void (*on_bye_timeout) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 123 void (*on_timeout) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 124 void (*on_sender_timeout) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 125 void (*on_npt_stop) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 126 127 GstElement* (*request_rtp_encoder) (GstRtpBin *rtpbin, guint session); 128 GstElement* (*request_rtp_decoder) (GstRtpBin *rtpbin, guint session); 129 GstElement* (*request_rtcp_encoder) (GstRtpBin *rtpbin, guint session); 130 GstElement* (*request_rtcp_decoder) (GstRtpBin *rtpbin, guint session); 131 132 GstElement* (*request_aux_sender) (GstRtpBin *rtpbin, guint session); 133 GstElement* (*request_aux_receiver) (GstRtpBin *rtpbin, guint session); 134 135 GstElement* (*request_fec_encoder) (GstRtpBin *rtpbin, guint session); 136 GstElement* (*request_fec_decoder) (GstRtpBin *rtpbin, guint session); 137 138 void (*on_new_sender_ssrc) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 139 void (*on_sender_ssrc_active) (GstRtpBin *rtpbin, guint session, guint32 ssrc); 140 }; 141 142 GType gst_rtp_bin_get_type (void); 143 144 #endif /* __GST_RTP_BIN_H__ */ 145