/usr/include/libdvben50221/en50221_app_teletext.h is in dvb-apps 1.1.1+rev1500-1.1+b1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /*
en50221 encoder An implementation for libdvb
an implementation for the en50221 transport layer
Copyright (C) 2004, 2005 Manu Abraham <abraham.manu@gmail.com>
Copyright (C) 2005 Julian Scheel (julian at jusst dot de)
Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __EN50221_APPLICATION_teletext_H__
#define __EN50221_APPLICATION_teletext_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stdlib.h>
#include <stdint.h>
#include <libdvben50221/en50221_app_utils.h>
#define EN50221_APP_TELETEXT_RESOURCEID MKRID(128, 1, 1)
/**
* Type definition for request - called when we receive teletext from a CAM.
*
* @param arg Private argument.
* @param slot_id Slot id concerned.
* @param session_number Session number concerned.
* @param teletext_data Data for the request.
* @param teletext_data_lenghth Number of bytes.
* @return 0 on success, -1 on failure.
*/
typedef int (*en50221_app_teletext_callback) (void *arg,
uint8_t slot_id,
uint16_t session_number,
uint8_t *teletext_data,
uint32_t teletext_data_length);
/**
* Opaque type representing a teletext resource.
*/
struct en50221_app_teletext;
/**
* Create an instance of the teletext resource.
*
* @param funcs Send functions to use.
* @return Instance, or NULL on failure.
*/
extern struct en50221_app_teletext *
en50221_app_teletext_create(struct en50221_app_send_functions *funcs);
/**
* Destroy an instance of the teletext resource.
*
* @param teletext Instance to destroy.
*/
extern void en50221_app_teletext_destroy(struct en50221_app_teletext *teletext);
/**
* Register the callback for when we receive a request.
*
* @param teletext teletext resource instance.
* @param callback The callback. Set to NULL to remove the callback completely.
* @param arg Private data passed as arg0 of the callback.
*/
extern void en50221_app_teletext_register_callback(struct en50221_app_teletext *teletext,
en50221_app_teletext_callback callback,
void *arg);
/**
* Pass data received for this resource into it for parsing.
*
* @param teletext teletext instance.
* @param slot_id Slot ID concerned.
* @param session_number Session number concerned.
* @param resource_id Resource ID concerned.
* @param data The data.
* @param data_length Length of data in bytes.
* @return 0 on success, -1 on failure.
*/
extern int en50221_app_teletext_message(struct en50221_app_teletext *teletext,
uint8_t slot_id,
uint16_t session_number,
uint32_t resource_id,
uint8_t * data,
uint32_t data_length);
#ifdef __cplusplus
}
#endif
#endif
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