/* * camapplication.h - GStreamer CAM (EN50221) Application Layer * Copyright (C) 2007 Alessandro Decina * * Authors: * Alessandro Decina <alessandro@nnva.org> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef CAM_APPLICATION_LAYER_H #define CAM_APPLICATION_LAYER_H #include "cam.h" #include "camsession.h" #define CAM_AL(obj) ((CamAL *) obj) #define CAM_AL_APPLICATION(obj) ((CamALApplication *) obj) #define CAM_AL_RESOURCE_ID_IS_PUBLIC(resource_id) ((resource_id >> 30) != 3) #define CAM_AL_RESOURCE_ID_CLASS(resource_id) ((resource_id >> 16) & 0x3FFF) #define CAM_AL_RESOURCE_ID_TYPE(resource_id) ((resource_id >> 6) & 0x03FF) #define CAM_AL_RESOURCE_ID_VERSION(resource_id) (resource_id & 0x3F) #define CAM_AL_RESOURCE_MANAGER_ID 0x10041 #define CAM_AL_APPLICATION_INFO_ID 0x20041 #define CAM_AL_CONDITIONAL_ACCESS_ID 0x30041 typedef struct _CamAL CamAL; typedef struct _CamALApplication CamALApplication; struct _CamAL { CamSL *sl; GHashTable *applications; }; struct _CamALApplication { CamAL *al; guint resource_id; GList *sessions; /* vtable */ CamReturn (*session_request) (CamALApplication *application, CamSLSession *session, CamSLResourceStatus *status); CamReturn (*open) (CamALApplication *application, CamSLSession *session); CamReturn (*close) (CamALApplication *application, CamSLSession *session); CamReturn (*data) (CamALApplication *application, CamSLSession *session, guint tag, guint8 *buffer, guint length); }; CamAL *cam_al_new (CamSL *sl); void cam_al_destroy (CamAL *al); gboolean cam_al_install (CamAL *al, CamALApplication *application); gboolean cam_al_uninstall (CamAL *al, CamALApplication *application); CamALApplication *cam_al_get (CamAL *al, guint resource_id); GList *cam_al_get_resource_ids (CamAL *al); void cam_al_calc_buffer_size (CamAL *al, guint body_length, guint *buffer_size, guint *offset); void _cam_al_application_init (CamALApplication *application); void _cam_al_application_destroy (CamALApplication *application); CamReturn cam_al_application_write (CamALApplication *application, CamSLSession *session, guint tag, guint8 *buffer, guint buffer_size, guint body_length); #endif /* CAM_APPLICATION_LAYER_H */