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/*
* Simple MPEG/DVB parser to achieve network/service information without initial tuning data
*
* Copyright (C) 2006, 2007, 2008, 2009 Winfried Koehler
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* The author can be reached at: handygewinnspiel AT gmx DOT de
*
* The project's page is http://wirbel.htpc-forum.de/w_scan/index2.html
*/
/* this file is shared between w_scan and the VDR plugin wirbelscan.
* For details on both of them see http://wirbel.htpc-forum.de
*/
#ifndef _EXTENDED_DVBFRONTEND_H_
#define _EXTENDED_DVBFRONTEND_H_
#include <linux/dvb/frontend.h>
/******************************************************************************
* definitions which are missing in <linux/dvb/frontend.h>
*
*****************************************************************************/
#ifndef fe_polarization // 300468 v181 6.2.13.2 Satellite delivery system descriptor
typedef enum fe_polarization {
POLARIZATION_HORIZONTAL,
POLARIZATION_VERTICAL,
POLARIZATION_CIRCULAR_LEFT,
POLARIZATION_CIRCULAR_RIGHT,
} fe_polarization_t;
#endif
#ifndef fe_west_east_flag // 300468 v181 6.2.13.2 Satellite delivery system descriptor
typedef enum fe_west_east_flag {
EAST_FLAG,
WEST_FLAG,
} fe_west_east_flag_t;
#endif
#ifndef fe_interleave // 300468 v181 6.2.13.4 Terrestrial delivery system descriptor
typedef enum fe_interleaver {
INTERLEAVE_NATIVE,
INTERLEAVE_IN_DEPTH,
INTERLEAVE_AUTO,
} fe_interleave_t;
#endif
#ifndef fe_alpha // 300468 v181 6.2.13.4 Terrestrial delivery system descriptor
typedef enum fe_alpha {
ALPHA_1,
ALPHA_2,
ALPHA_4,
ALPHA_AUTO,
} fe_alpha_t;
#endif
#ifndef fe_priority // 300468 v181 6.2.13.4 Terrestrial delivery system descriptor
typedef enum fe_priority {
PRIORITY_HP,
PRIORITY_LP,
PRIORITY_AUTO,
} fe_priority_t;
#endif
#ifndef fe_time_slicing // 300468 v181 6.2.13.4 Terrestrial delivery system descriptor
typedef enum fe_time_slicing {
TIME_SLICING_ON,
TIME_SLICING_OFF,
TIME_SLICING_AUTO,
} fe_time_slicing_t;
#endif
#ifndef fe_mpe_fce // 300468 v181 6.2.13.4 Terrestrial delivery system descriptor
typedef enum fe_mpe_fce {
MPE_FCE_ON,
MPE_FCE_OFF,
MPE_FCE_AUTO,
} fe_mpe_fce_t;
#endif
/* since Linux DVB API v5 'struct dvb_qpsk_parameters' in frontend.h
* is no longer able to store all information related to a
* DVB-S frontend. Some information still missing at all in v5.
*/
struct extended_dvb_qpsk_parameters {
__u32 symbol_rate; /* symbols per second */
fe_code_rate_t fec_inner; /* inner forward error correction */
fe_modulation_t modulation_type;
fe_pilot_t pilot; /* not shure about this one. */
fe_rolloff_t rolloff;
fe_delivery_system_t modulation_system;
fe_polarization_t polarization; /* urgently missing in frontend.h */
__u32 orbital_position;
fe_west_east_flag_t west_east_flag;
__u8 scrambling_sequence_selector; /* 6.2.13.3 S2 satellite delivery system descriptor */
__u8 multiple_input_stream_flag; /* 6.2.13.3 S2 satellite delivery system descriptor */
__u32 scrambling_sequence_index; /* 6.2.13.3 S2 satellite delivery system descriptor */
__u8 input_stream_identifier; /* 6.2.13.3 S2 satellite delivery system descriptor */
};
/* since Linux DVB API v5 'struct dvb_qam_parameters' in frontend.h
* is no longer able to store all information related to a
* DVB-C frontend.
*/
struct extended_dvb_qam_parameters {
__u32 symbol_rate; /* symbols per second */
fe_code_rate_t fec_inner; /* inner forward error correction */
fe_modulation_t modulation; /* modulation type */
fe_delivery_system_t delivery_system;
__u32 fec_outer; /* not supported at all */
};
/* since Linux DVB API v5 'struct dvb_vsb_parameters' in frontend.h
* is no longer able to store all information related to a
* ATSC frontend.
*/
struct extended_dvb_vsb_parameters {
fe_modulation_t modulation; /* modulation type */
fe_code_rate_t fec_inner; /* forward error correction */
fe_delivery_system_t delivery_system;
__u32 fec_outer; /* not supported at all */
};
/* since Linux DVB API v5 'struct dvb_ofdm_parameters' in frontend.h
* is no longer able to store all information related to a
* DVB-T frontend. Some information still missing at all in v5.
*/
struct extended_dvb_ofdm_parameters {
fe_bandwidth_t bandwidth;
fe_code_rate_t code_rate_HP; /* high priority stream code rate */
fe_code_rate_t code_rate_LP; /* low priority stream code rate */
fe_modulation_t constellation; /* modulation type */
fe_transmit_mode_t transmission_mode;
fe_guard_interval_t guard_interval;
fe_hierarchy_t hierarchy_information;
fe_delivery_system_t delivery_system;
fe_alpha_t alpha; /* only defined in w_scan (see above) */
fe_interleave_t interleaver; /* only defined in w_scan (see above) */
fe_priority_t priority; /* only defined in w_scan (see above) */
fe_time_slicing_t time_slicing; /* only defined in w_scan (see above) */
fe_mpe_fce_t mpe_fce; /* only defined in w_scan (see above) */
};
/******************************************************************************
* intended to be used similar to struct dvb_frontend_parameter
*
*****************************************************************************/
struct extended_dvb_frontend_parameters {
__u32 frequency; /* QAM/OFDM/ATSC: abs. frequency in Hz */
/* QPSK: intermediate frequency in kHz */
fe_spectral_inversion_t inversion;
union {
struct extended_dvb_qpsk_parameters qpsk;
struct extended_dvb_qam_parameters qam;
struct extended_dvb_ofdm_parameters ofdm;
struct extended_dvb_vsb_parameters vsb;
} u;
};
#endif
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