diff options
Diffstat (limited to 'sys/dvb/camapplication.h')
-rw-r--r-- | sys/dvb/camapplication.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sys/dvb/camapplication.h b/sys/dvb/camapplication.h new file mode 100644 index 00000000..326d1f9b --- /dev/null +++ b/sys/dvb/camapplication.h @@ -0,0 +1,84 @@ +/* + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, 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 */ |