mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-06 01:19:38 +00:00
84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
/*
|
|
* 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 */
|