1 /* RTP muxer element for GStreamer 2 * 3 * gstrtpmux.h: 4 * 5 * Copyright (C) <2007> Nokia Corporation. 6 * Contact: Zeeshan Ali <zeeshan.ali@nokia.com> 7 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> 8 * 2000,2005 Wim Taymans <wim@fluendo.com> 9 * 10 * This library is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU Library General Public 12 * License as published by the Free Software Foundation; either 13 * version 2 of the License, or (at your option) any later version. 14 * 15 * This library is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * Library General Public License for more details. 19 * 20 * You should have received a copy of the GNU Library General Public 21 * License along with this library; if not, write to the 22 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 23 * Boston, MA 02110-1301, USA. 24 */ 25 26 #ifndef __GST_RTP_MUX_H__ 27 #define __GST_RTP_MUX_H__ 28 29 #include <gst/gst.h> 30 #include <gst/rtp/gstrtpbuffer.h> 31 32 G_BEGIN_DECLS 33 #define GST_TYPE_RTP_MUX (gst_rtp_mux_get_type()) 34 #define GST_RTP_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_MUX, GstRTPMux)) 35 #define GST_RTP_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_MUX, GstRTPMuxClass)) 36 #define GST_RTP_MUX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTP_MUX, GstRTPMuxClass)) 37 #define GST_IS_RTP_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_MUX)) 38 #define GST_IS_RTP_MUX_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_MUX)) 39 typedef struct _GstRTPMux GstRTPMux; 40 typedef struct _GstRTPMuxClass GstRTPMuxClass; 41 42 43 typedef struct 44 { 45 gboolean have_timestamp_offset; 46 guint timestamp_offset; 47 48 GstSegment segment; 49 50 gboolean priority; 51 } GstRTPMuxPadPrivate; 52 53 54 /** 55 * GstRTPMux: 56 * 57 * The opaque #GstRTPMux structure. 58 */ 59 struct _GstRTPMux 60 { 61 GstElement element; 62 63 /* pad */ 64 GstPad *srcpad; 65 66 guint32 ts_base; 67 guint16 seqnum_base; 68 69 gint32 ts_offset; 70 gint16 seqnum_offset; 71 guint16 seqnum; /* protected by object lock */ 72 guint ssrc; 73 guint current_ssrc; 74 gboolean have_ssrc; 75 76 GstPad *last_pad; /* protected by object lock */ 77 78 GstClockTime last_stop; 79 gboolean send_stream_start; 80 }; 81 82 struct _GstRTPMuxClass 83 { 84 GstElementClass parent_class; 85 86 gboolean (*accept_buffer_locked) (GstRTPMux *rtp_mux, 87 GstRTPMuxPadPrivate * padpriv, GstRTPBuffer * buffer); 88 89 gboolean (*src_event) (GstRTPMux *rtp_mux, GstEvent *event); 90 }; 91 92 93 GType gst_rtp_mux_get_type (void); 94 gboolean gst_rtp_mux_plugin_init (GstPlugin * plugin); 95 96 G_END_DECLS 97 #endif /* __GST_RTP_MUX_H__ */ 98