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Diffstat (limited to 'lib/libdvben50221/en50221_stdcam.h')
| -rw-r--r-- | lib/libdvben50221/en50221_stdcam.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/lib/libdvben50221/en50221_stdcam.h b/lib/libdvben50221/en50221_stdcam.h new file mode 100644 index 0000000..154ff76 --- /dev/null +++ b/lib/libdvben50221/en50221_stdcam.h @@ -0,0 +1,102 @@ +/* + en50221 encoder An implementation for libdvb + an implementation for the en50221 transport layer + + Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of + the License, or (at your option) any later version. + + This program 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser 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 EN50221_STDCAM_H +#define EN50221_STDCAM_H 1 + +#ifdef __cplusplus +extern "C" { +#endif + +#include <libdvben50221/en50221_app_ai.h> +#include <libdvben50221/en50221_app_ca.h> +#include <libdvben50221/en50221_app_mmi.h> +#include <libdvben50221/en50221_session.h> +#include <libdvben50221/en50221_transport.h> + +enum en50221_stdcam_status { + EN50221_STDCAM_CAM_NONE, + EN50221_STDCAM_CAM_INRESET, + EN50221_STDCAM_CAM_OK, + EN50221_STDCAM_CAM_BAD, +}; + +struct en50221_stdcam { + /* one of more of the following may be NULL if a CAM does not support it */ + struct en50221_app_ai *ai_resource; + struct en50221_app_ca *ca_resource; + struct en50221_app_mmi *mmi_resource; + + /* if any of these are -1, no connection is in place to this resource yet */ + int ai_session_number; + int ca_session_number; + int mmi_session_number; + + /* poll the stdcam instance */ + enum en50221_stdcam_status (*poll)(struct en50221_stdcam *stdcam); + + /* inform the stdcam of the current DVB time */ + void (*dvbtime)(struct en50221_stdcam *stdcam, time_t dvbtime); + + /* destroy the stdcam instance */ + void (*destroy)(struct en50221_stdcam *stdcam, int closefd); +}; + +/** + * Create an instance of the STDCAM for an LLCI interface. + * + * @param cafd FD of the CA device. + * @param slotnum Slotnum on that CA device. + * @param tl Transport layer instance to use. + * @param sl Session layer instance to use. + * @return en50221_stdcam instance, or NULL on error. + */ +extern struct en50221_stdcam *en50221_stdcam_llci_create(int cafd, int slotnum, + struct en50221_transport_layer *tl, + struct en50221_session_layer *sl); + +/** + * Create an instance of the STDCAM for an HLCI interface. + * + * @param cafd FD of the CA device. + * @param slotnum Slotnum on that CA device. + * @return en50221_stdcam instance, or NULL on error. + */ +extern struct en50221_stdcam *en50221_stdcam_hlci_create(int cafd, int slotnum); + +/** + * Convenience method to create a STDCAM interface for a ca device on a particular adapter. + * + * @param adapter The DVB adapter concerned. + * @param slotnum The ca slot number on that adapter. + * @param tl Transport layer instance to use (unused for HLCI cams). + * @param sl Session layer instance to use (unused for HLCI cams). + * @return en50221_stdcam instance, or NULL on error. + */ +extern struct en50221_stdcam *en50221_stdcam_create(int adapter, int slotnum, + struct en50221_transport_layer *tl, + struct en50221_session_layer *sl); + +#ifdef __cplusplus +} +#endif + +#endif |