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_SDP_DEMUX_H__ 21 #define __GST_SDP_DEMUX_H__ 22 23 #include <gst/gst.h> 24 #include <gst/base/gstadapter.h> 25 #include <gio/gio.h> 26 27 G_BEGIN_DECLS 28 29 #define GST_TYPE_SDP_DEMUX \ 30 (gst_sdp_demux_get_type()) 31 #define GST_SDP_DEMUX(obj) \ 32 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SDP_DEMUX,GstSDPDemux)) 33 #define GST_SDP_DEMUX_CLASS(klass) \ 34 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SDP_DEMUX,GstSDPDemuxClass)) 35 #define GST_IS_SDP_DEMUX(obj) \ 36 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SDP_DEMUX)) 37 #define GST_IS_SDP_DEMUX_CLASS(klass) \ 38 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SDP_DEMUX)) 39 #define GST_SDP_DEMUX_CAST(obj) \ 40 ((GstSDPDemux *)(obj)) 41 42 typedef struct _GstSDPDemux GstSDPDemux; 43 typedef struct _GstSDPDemuxClass GstSDPDemuxClass; 44 45 #define GST_SDP_STREAM_GET_LOCK(sdp) (&GST_SDP_DEMUX_CAST(sdp)->stream_rec_lock) 46 #define GST_SDP_STREAM_LOCK(sdp) (g_rec_mutex_lock (GST_SDP_STREAM_GET_LOCK(sdp))) 47 #define GST_SDP_STREAM_UNLOCK(sdp) (g_rec_mutex_unlock (GST_SDP_STREAM_GET_LOCK(sdp))) 48 49 typedef struct _GstSDPStream GstSDPStream; 50 51 struct _GstSDPStream { 52 gint id; 53 guint32 ssrc; 54 55 GstSDPDemux *parent; /* parent, no extra ref to parent is taken */ 56 57 /* pad we expose or NULL when it does not have an actual pad */ 58 GstPad *srcpad; 59 GstFlowReturn last_ret; 60 gboolean added; 61 gboolean disabled; 62 GstCaps *caps; 63 gboolean eos; 64 65 /* our udp sources */ 66 GstElement *udpsrc[2]; 67 GstPad *channelpad[2]; 68 guint rtp_port; 69 guint rtcp_port; 70 71 gchar *destination; 72 guint ttl; 73 gboolean multicast; 74 75 /* our udp sink back to the server */ 76 GstElement *udpsink; 77 GstPad *rtcppad; 78 79 /* state */ 80 gint pt; 81 gboolean container; 82 }; 83 84 struct _GstSDPDemux { 85 GstBin parent; 86 87 GstPad *sinkpad; 88 GstAdapter *adapter; 89 GstState target; 90 91 /* task for UDP loop */ 92 gboolean ignore_timeout; 93 94 gint numstreams; 95 GRecMutex stream_rec_lock; 96 GList *streams; 97 98 /* properties */ 99 gboolean debug; 100 guint64 udp_timeout; 101 guint latency; 102 gboolean redirect; 103 104 /* session management */ 105 GstElement *session; 106 gulong session_sig_id; 107 gulong session_ptmap_id; 108 gulong session_nmp_id; 109 }; 110 111 struct _GstSDPDemuxClass { 112 GstBinClass parent_class; 113 }; 114 115 GType gst_sdp_demux_get_type(void); 116 GST_ELEMENT_REGISTER_DECLARE (sdpdemux); 117 118 G_END_DECLS 119 120 #endif /* __GST_SDP_DEMUX_H__ */ 121