From ab959d7b4194715870128e616b8e29d4a101e488 Mon Sep 17 00:00:00 2001 From: etobi Date: Tue, 3 Sep 2013 09:48:41 +0200 Subject: Imported Upstream version 1.1.1+rev1207 --- lib/libdvben50221/en50221_app_teletext.h | 107 +++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 lib/libdvben50221/en50221_app_teletext.h (limited to 'lib/libdvben50221/en50221_app_teletext.h') diff --git a/lib/libdvben50221/en50221_app_teletext.h b/lib/libdvben50221/en50221_app_teletext.h new file mode 100644 index 0000000..b5b85f1 --- /dev/null +++ b/lib/libdvben50221/en50221_app_teletext.h @@ -0,0 +1,107 @@ +/* + en50221 encoder An implementation for libdvb + an implementation for the en50221 transport layer + + Copyright (C) 2004, 2005 Manu Abraham + 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 +#include +#include + +#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 -- cgit v1.2.3