1 /* GStreamer 2 * Copyright (C) 2017 Matthew Waters <matthew@centricular.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 __WEBRTC_UTILS_H__ 21 #define __WEBRTC_UTILS_H__ 22 23 #include <gst/gst.h> 24 #include <gst/webrtc/webrtc.h> 25 #include "fwd.h" 26 27 G_BEGIN_DECLS 28 29 #define GST_WEBRTC_BIN_ERROR gst_webrtc_bin_error_quark () 30 GQuark gst_webrtc_bin_error_quark (void); 31 32 typedef enum 33 { 34 GST_WEBRTC_BIN_ERROR_FAILED, 35 GST_WEBRTC_BIN_ERROR_INVALID_SYNTAX, 36 GST_WEBRTC_BIN_ERROR_INVALID_MODIFICATION, 37 GST_WEBRTC_BIN_ERROR_INVALID_STATE, 38 GST_WEBRTC_BIN_ERROR_BAD_SDP, 39 GST_WEBRTC_BIN_ERROR_FINGERPRINT, 40 GST_WEBRTC_BIN_ERROR_SCTP_FAILURE, 41 GST_WEBRTC_BIN_ERROR_DATA_CHANNEL_FAILURE, 42 } GstWebRTCError; 43 44 GstPadTemplate * _find_pad_template (GstElement * element, 45 GstPadDirection direction, 46 GstPadPresence presence, 47 const gchar * name); 48 49 GstSDPMessage * _get_latest_sdp (GstWebRTCBin * webrtc); 50 51 GstWebRTCICEStream * _find_ice_stream_for_session (GstWebRTCBin * webrtc, 52 guint session_id); 53 void _add_ice_stream_item (GstWebRTCBin * webrtc, 54 guint session_id, 55 GstWebRTCICEStream * stream); 56 57 struct pad_block 58 { 59 GstElement *element; 60 GstPad *pad; 61 gulong block_id; 62 gpointer user_data; 63 GDestroyNotify notify; 64 }; 65 66 void _free_pad_block (struct pad_block *block); 67 struct pad_block * _create_pad_block (GstElement * element, 68 GstPad * pad, 69 gulong block_id, 70 gpointer user_data, 71 GDestroyNotify notify); 72 73 G_GNUC_INTERNAL 74 gchar * _enum_value_to_string (GType type, guint value); 75 G_GNUC_INTERNAL 76 const gchar * _g_checksum_to_webrtc_string (GChecksumType type); 77 78 G_END_DECLS 79 80 #endif /* __WEBRTC_UTILS_H__ */ 81