subprojects/gst-plugins-bad/ext/srt/gstsrtobject.h

   1 /* GStreamer
   2  * Copyright (C) 2018, Collabora Ltd.
   3  * Copyright (C) 2018, SK Telecom, Co., Ltd.
   4  *   Author: Jeongseok Kim <jeongseok.kim@sk.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 #ifndef __GST_SRT_OBJECT_H__
  23 #define __GST_SRT_OBJECT_H__
  24
  25 #include "gstsrt-enums.h"
  26 #include "gstsrt-enumtypes.h"
  27
  28 #include <gio/gio.h>
  29 #include <srt/srt.h>
  30
  31 G_BEGIN_DECLS
  32
  33 #define GST_SRT_DEFAULT_URI_SCHEME "srt"
  34 #define GST_SRT_DEFAULT_PORT 7001
  35 #define GST_SRT_DEFAULT_HOST "127.0.0.1"
  36 #define GST_SRT_DEFAULT_LOCALADDRESS "0.0.0.0"
  37 #define GST_SRT_DEFAULT_URI GST_SRT_DEFAULT_URI_SCHEME"://"GST_SRT_DEFAULT_HOST":"G_STRINGIFY(GST_SRT_DEFAULT_PORT)
  38
  39 #define GST_SRT_DEFAULT_MODE GST_SRT_CONNECTION_MODE_CALLER
  40 #define GST_SRT_DEFAULT_PBKEYLEN GST_SRT_KEY_LENGTH_0
  41 #define GST_SRT_DEFAULT_POLL_TIMEOUT -1
  42 #define GST_SRT_DEFAULT_LATENCY 125
  43 #define GST_SRT_DEFAULT_MSG_SIZE 1316
  44 #define GST_SRT_DEFAULT_WAIT_FOR_CONNECTION (TRUE)
  45
  46 typedef struct _GstSRTObject GstSRTObject;
  47
  48 struct _GstSRTObject
  49 {
  50   GstElement                   *element;
  51   GstUri                       *uri;
  52
  53   GstStructure                 *parameters;
  54   gboolean                      opened;
  55   SRTSOCKET                     sock;
  56   gint                          poll_id;
  57   gboolean                      sent_headers;
  58
  59   GTask                        *listener_task;
  60   SRTSOCKET                     listener_sock;
  61   gint                          listener_poll_id;
  62
  63   GThread                      *thread;
  64
  65   /* Protects the list of callers */
  66   GMutex                        sock_lock;
  67   GCond                         sock_cond;
  68
  69   GList                        *callers;
  70
  71   gboolean                     wait_for_connection;
  72
  73   gboolean                     authentication;
  74
  75   guint64                      bytes;
  76 };
  77
  78 GstSRTObject   *gst_srt_object_new              (GstElement *element);
  79
  80 void            gst_srt_object_destroy          (GstSRTObject *srtobject);
  81
  82 gboolean        gst_srt_object_open             (GstSRTObject *srtobject,
  83                                                  GCancellable *cancellable,
  84                                                  GError **error);
  85
  86 void            gst_srt_object_close            (GstSRTObject *srtobject);
  87
  88 gboolean        gst_srt_object_set_property_helper (GstSRTObject *srtobject,
  89                                                     guint prop_id, const GValue * value,
  90                                                     GParamSpec * pspec);
  91
  92 gboolean        gst_srt_object_get_property_helper (GstSRTObject *srtobject,
  93                                                     guint prop_id, GValue * value,
  94                                                     GParamSpec * pspec);
  95
  96 void            gst_srt_object_install_properties_helper (GObjectClass *gobject_class);
  97
  98 gboolean        gst_srt_object_set_uri (GstSRTObject * srtobject, const gchar *uri, GError ** err);
  99
 100 gssize          gst_srt_object_read     (GstSRTObject * srtobject,
 101                                          guint8 *data, gsize size,
 102                                          GCancellable *cancellable,
 103                                          GError **err,
 104                                          SRT_MSGCTRL *mctrl);
 105
 106 gssize          gst_srt_object_write    (GstSRTObject * srtobject,
 107                                          GstBufferList * headers,
 108                                          const GstMapInfo * mapinfo,
 109                                          GCancellable *cancellable,
 110                                          GError **err);
 111
 112 void            gst_srt_object_wakeup   (GstSRTObject * srtobject,
 113                                          GCancellable *cancellable);
 114
 115 GstStructure   *gst_srt_object_get_stats        (GstSRTObject * srtobject);
 116
 117 G_END_DECLS
 118
 119 #endif // __GST_SRT_OBJECT_H__