1 /* RTP Retransmission sender element for GStreamer 2 * 3 * gstrtprtxsend.h: 4 * 5 * Copyright (C) 2013 Collabora Ltd. 6 * @author Julien Isorce <julien.isorce@collabora.co.uk> 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the 20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 */ 23 24 #ifndef __GST_RTP_RTX_SEND_H__ 25 #define __GST_RTP_RTX_SEND_H__ 26 27 #include <gst/gst.h> 28 #include <gst/rtp/gstrtpbuffer.h> 29 #include <gst/base/gstdataqueue.h> 30 31 G_BEGIN_DECLS 32 #define GST_TYPE_RTP_RTX_SEND (gst_rtp_rtx_send_get_type()) 33 #define GST_RTP_RTX_SEND(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_RTX_SEND, GstRtpRtxSend)) 34 #define GST_RTP_RTX_SEND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_RTX_SEND, GstRtpRtxSendClass)) 35 #define GST_RTP_RTX_SEND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTP_RTX_SEND, GstRtpRtxSendClass)) 36 #define GST_IS_RTP_RTX_SEND(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_RTX_SEND)) 37 #define GST_IS_RTP_RTX_SEND_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_RTX_SEND)) 38 typedef struct _GstRtpRtxSend GstRtpRtxSend; 39 typedef struct _GstRtpRtxSendClass GstRtpRtxSendClass; 40 41 struct _GstRtpRtxSend 42 { 43 GstElement element; 44 45 /* pad */ 46 GstPad *sinkpad; 47 GstPad *srcpad; 48 49 /* rtp packets that will be pushed out */ 50 GstDataQueue *queue; 51 52 /* ssrc -> SSRCRtxData */ 53 GHashTable *ssrc_data; 54 /* rtx ssrc -> master ssrc */ 55 GHashTable *rtx_ssrcs; 56 57 /* master ssrc -> rtx ssrc (property) */ 58 GstStructure *external_ssrc_map; 59 60 /* orig pt (uint) -> rtx pt (uint) */ 61 GHashTable *rtx_pt_map; 62 /* orig pt (string) -> rtx pt (uint) */ 63 GstStructure *rtx_pt_map_structure; 64 65 /* buffering control properties */ 66 guint max_size_time; 67 guint max_size_packets; 68 69 /* statistics */ 70 guint num_rtx_requests; 71 guint num_rtx_packets; 72 }; 73 74 struct _GstRtpRtxSendClass 75 { 76 GstElementClass parent_class; 77 }; 78 79 80 GType gst_rtp_rtx_send_get_type (void); 81 gboolean gst_rtp_rtx_send_plugin_init (GstPlugin * plugin); 82 83 G_END_DECLS 84 #endif /* __GST_RTP_RTX_SEND_H__ */ 85