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/*
* camapplication.h - GStreamer CAM (EN50221) Application Layer
* Copyright (C) 2007 Alessandro Decina
*
* Authors:
* Alessandro Decina <alessandro.d@gmail.com>
*
* 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 */
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