dvb.h

VLC媒体播放程序

/*****************************************************************************
 * dvb.h : functions to control a DVB card under Linux with v4l2
 *****************************************************************************
 * Copyright (C) 1998-2003 VideoLAN
 *
 * Authors: Johan Bilien <[e-mail]>
 *          Jean-Paul Saman <jpsaman@saman>
 *          Christopher Ross <[e-mail]>
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA    02111, USA.
 *****************************************************************************/


/*****************************************************************************
 * Devices location
 *****************************************************************************/
#define DMX      "/dev/dvb/adapter%d/demux%d"
#define FRONTEND "/dev/dvb/adapter%d/frontend%d"
#define DVR      "/dev/dvb/adapter%d/dvr%d"

/*****************************************************************************
 * Prototypes
 *****************************************************************************/
int ioctl_SetQPSKFrontend (input_thread_t * p_input, struct dvb_frontend_parameters fep, int b_polarisation,
                       unsigned int u_lnb_lof1, unsigned int u_lnb_lof2, unsigned int u_lnb_slof,
                       unsigned int u_adapter, unsigned int u_device );
int ioctl_SetOFDMFrontend (input_thread_t * p_input, struct dvb_frontend_parameters fep,
                       unsigned int u_adapter, unsigned int u_device );
int ioctl_SetQAMFrontend (input_thread_t * p_input, struct dvb_frontend_parameters fep,
                       unsigned int u_adapter, unsigned int u_device );
int ioctl_SetDMXFilter(input_thread_t * p_input, int i_pid, int *pi_fd, int i_type, unsigned int u_adapter, unsigned int u_device );
int ioctl_UnsetDMXFilter(input_thread_t * p_input, int pi_fd);
int ioctl_InfoFrontend(input_thread_t * p_input, struct dvb_frontend_info *info, unsigned int u_adapter, unsigned int u_device );

/*****************************************************************************
 * dvb argument helper functions 
 *****************************************************************************/
fe_bandwidth_t dvb_DecodeBandwidth(input_thread_t * p_input, int bandwidth);
fe_code_rate_t dvb_DecodeFEC(input_thread_t * p_input, int fec);
fe_modulation_t dvb_DecodeModulation(input_thread_t * p_input, int modulation);
fe_transmit_mode_t dvb_DecodeTransmission(input_thread_t * p_input, int transmission);
fe_guard_interval_t dvb_DecodeGuardInterval(input_thread_t * p_input, int guard);
fe_hierarchy_t dvb_DecodeHierarchy(input_thread_t * p_input, int hierarchy);
fe_spectral_inversion_t dvb_DecodeInversion(input_thread_t * p_input, int inversion);