mirror of
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146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/*
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* MiracleCast - Wifi-Display/Miracast Implementation
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*
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* Copyright (c) 2013-2014 David Herrmann <dh.herrmann@gmail.com>
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*
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* MiracleCast is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* MiracleCast is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with MiracleCast; If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <unistd.h>
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#include "dispd.h"
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#include "dispd-arg.h"
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#ifndef DISPD_SESSION_H
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#define DISPD_SESSION_H
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#define dispd_out_session(s) (assert(dispd_is_out_session(s)), (struct dispd_out_session *) (s))
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#define dispd_in_session(s) (assert(dispd_is_in_session(s)), (struct dispd_in_session *) (s))
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struct dispd_session;
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struct dispd_sink;
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struct rtsp;
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struct rtsp_message;
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enum rtsp_message_id
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{
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RTSP_M_UNKNOWN,
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RTSP_M1_REQUEST_SINK_OPTIONS,
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RTSP_M2_REQUEST_SRC_OPTIONS,
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RTSP_M3_GET_PARAMETER,
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RTSP_M4_SET_PARAMETER,
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RTSP_M5_TRIGGER,
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RTSP_M6_SETUP,
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RTSP_M7_PLAY,
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RTSP_M8_TEARDOWN,
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RTSP_M9_PAUSE,
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RTSP_M10_SET_ROUTE,
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RTSP_M11_SET_CONNECTOR_TYPE,
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RTSP_M12_SET_STANDBY,
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RTSP_M13_REQUEST_IDR,
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RTSP_M14_ESTABLISH_UIBC,
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RTSP_M15_ENABLE_UIBC,
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RTSP_M16_KEEPALIVE,
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};
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enum dispd_stream_id
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{
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DISPD_STREAM_ID_PRIMARY,
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DISPD_STREAM_ID_SECONDARY,
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};
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enum dispd_session_arg_id
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{
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DISPD_SESSION_ARG_NEXT_REQUEST,
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DISPD_SESSION_ARG_NEW_STATE,
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DISPD_SESSION_ARG_REQUEST_ARGS,
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};
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struct rtsp_dispatch_entry
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{
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union {
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int (*request)(struct dispd_session *s,
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struct rtsp *bus,
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const struct dispd_arg_list *args,
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struct rtsp_message **out);
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int (*handle_request)(struct dispd_session *s,
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struct rtsp_message *req,
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struct rtsp_message **out_rep);
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};
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int (*handle_reply)(struct dispd_session *s,
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struct rtsp_message *m);
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struct dispd_arg_list rule;
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};
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struct dispd_session_vtable
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{
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int (*initiate_io)(struct dispd_session *s, int *out_fd, uint32_t *out_mask);
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int (*handle_io)(struct dispd_session *s, int error, int *out_fd);
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int (*initiate_request)(struct dispd_session *s);
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int (*resume)(struct dispd_session *);
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int (*pause)(struct dispd_session *);
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int (*teardown)(struct dispd_session *);
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void (*destroy)(struct dispd_session *s);
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};
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struct dispd_session
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{
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int ref;
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enum dispd_session_dir dir;
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enum dispd_session_state state;
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enum rtsp_message_id last_request;
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const struct rtsp_dispatch_entry *rtsp_disp_tbl;
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unsigned int id;
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struct rtsp *rtsp;
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uint64_t req_cookie;
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uint16_t rtp_ports[2];
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struct wfd_video_formats *vformats;
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struct wfd_audio_codecs *acodecs;
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struct {
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enum dispd_stream_id id;
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char *url;
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uint16_t rtp_port;
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uint16_t rtcp_port;
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} stream;
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enum dispd_display_server_type disp_type;
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char *disp_name;
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char *disp_params;
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char *disp_auth;
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struct dispd_rectangle disp_dimen;
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enum dispd_audio_server_type audio_type;
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char *audio_dev_name;
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uid_t client_uid;
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gid_t client_gid;
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gid_t client_pid;
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char *runtime_path;
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};
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int dispd_session_init(struct dispd_session *s,
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unsigned int id,
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enum dispd_session_dir dir,
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const struct rtsp_dispatch_entry *disp_tbl);
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int dispd_session_gen_stream_url(struct dispd_session *s,
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const char *local_addr,
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enum dispd_stream_id id);
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int dispd_session_request(struct dispd_session *s,
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enum rtsp_message_id id,
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const struct dispd_arg_list *args);
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void dispd_session_end(struct dispd_session *s);
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struct dispd_sink * dispd_out_session_get_sink(struct dispd_session *s);
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void dispd_session_set_state(struct dispd_session *s,
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enum dispd_session_state state);
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#endif /* DISPD_SESSION_H */
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