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authorMark Purcell <msp@debian.org>2008-06-22 11:00:40 +1000
committeretobi <git@e-tobi.net>2013-09-03 09:48:42 +0200
commit891c51ff368ed700dec6025eeb47ce4d96f76418 (patch)
tree3729664829e4faa691d403274f38eb10890b533c /lib/libdvben50221/en50221_app_teletext.h
parent1c6e1f28f54ec2606c23936c1d8689f2be55a86c (diff)
parentab959d7b4194715870128e616b8e29d4a101e488 (diff)
downloadlinux-dvb-apps-debian/1.1.1+rev1207-1.tar.gz
Imported Debian patch 1.1.1+rev1207-1debian/1.1.1+rev1207-1
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diff --git a/lib/libdvben50221/en50221_app_teletext.h b/lib/libdvben50221/en50221_app_teletext.h
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+/*
+ 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