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85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
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/*
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* camapplication.h - GStreamer CAM (EN50221) Application Layer
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* Copyright (C) 2007 Alessandro Decina
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*
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* Authors:
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* Alessandro Decina <alessandro@nnva.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef CAM_APPLICATION_LAYER_H
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#define CAM_APPLICATION_LAYER_H
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#include "cam.h"
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#include "camsession.h"
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#define CAM_AL(obj) ((CamAL *) obj)
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#define CAM_AL_APPLICATION(obj) ((CamALApplication *) obj)
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#define CAM_AL_RESOURCE_ID_IS_PUBLIC(resource_id) ((resource_id >> 30) != 3)
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#define CAM_AL_RESOURCE_ID_CLASS(resource_id) ((resource_id >> 16) & 0x3FFF)
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#define CAM_AL_RESOURCE_ID_TYPE(resource_id) ((resource_id >> 6) & 0x03FF)
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#define CAM_AL_RESOURCE_ID_VERSION(resource_id) (resource_id & 0x3F)
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#define CAM_AL_RESOURCE_MANAGER_ID 0x10041
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#define CAM_AL_APPLICATION_INFO_ID 0x20041
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#define CAM_AL_CONDITIONAL_ACCESS_ID 0x30041
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typedef struct _CamAL CamAL;
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typedef struct _CamALApplication CamALApplication;
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struct _CamAL
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{
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CamSL *sl;
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GHashTable *applications;
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};
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struct _CamALApplication
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{
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CamAL *al;
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guint resource_id;
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GList *sessions;
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/* vtable */
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CamReturn (*session_request) (CamALApplication *application,
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CamSLSession *session, CamSLResourceStatus *status);
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CamReturn (*open) (CamALApplication *application, CamSLSession *session);
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CamReturn (*close) (CamALApplication *application, CamSLSession *session);
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CamReturn (*data) (CamALApplication *application, CamSLSession *session,
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guint tag, guint8 *buffer, guint length);
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};
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CamAL *cam_al_new (CamSL *sl);
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void cam_al_destroy (CamAL *al);
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gboolean cam_al_install (CamAL *al, CamALApplication *application);
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gboolean cam_al_uninstall (CamAL *al, CamALApplication *application);
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CamALApplication *cam_al_get (CamAL *al, guint resource_id);
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GList *cam_al_get_resource_ids (CamAL *al);
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void cam_al_calc_buffer_size (CamAL *al, guint body_length,
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guint *buffer_size, guint *offset);
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void _cam_al_application_init (CamALApplication *application);
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void _cam_al_application_destroy (CamALApplication *application);
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CamReturn cam_al_application_write (CamALApplication *application,
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CamSLSession *session, guint tag, guint8 *buffer,
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guint buffer_size, guint body_length);
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#endif /* CAM_APPLICATION_LAYER_H */
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