comm.h

   1 /*****************************************************************************
   2  * comm.h
   3  *****************************************************************************
   4  * Copyright (C) 2008 VideoLAN
   5  *
   6  * Authors: Christophe Massiot <massiot@via.ecp.fr>
   7  *
   8  * This program is free software. It comes without any warranty, to
   9  * the extent permitted by applicable law. You can redistribute it
  10  * and/or modify it under the terms of the Do What The Fuck You Want
  11  * To Public License, Version 2, as published by Sam Hocevar. See
  12  * http://sam.zoy.org/wtfpl/COPYING for more details.
  13  *****************************************************************************/
  14
  15 #ifdef HAVE_DVB_SUPPORT
  16 /* DVB Card Drivers */
  17 #include <linux/dvb/version.h>
  18 #include <linux/dvb/dmx.h>
  19 #include <linux/dvb/frontend.h>
  20 #include <linux/dvb/ca.h>
  21 #endif
  22
  23 #include <bitstream/mpeg/psi.h>
  24
  25 #define COMM_HEADER_SIZE 8
  26 #define COMM_BUFFER_SIZE (COMM_HEADER_SIZE + ((PSI_PRIVATE_MAX_SIZE + PSI_HEADER_SIZE) * PSI_TABLE_MAX_SECTIONS))
  27 #define COMM_HEADER_MAGIC 0x49
  28
  29 #define COMM_MAX_MSG_CHUNK 4096
  30
  31 typedef enum {
  32     CMD_INVALID             = 0,
  33     CMD_RELOAD              = 1,
  34     CMD_SHUTDOWN            = 2,
  35     CMD_FRONTEND_STATUS     = 3,
  36     CMD_MMI_STATUS          = 4,
  37     CMD_MMI_SLOT_STATUS     = 5, /* arg: slot */
  38     CMD_MMI_OPEN            = 6, /* arg: slot */
  39     CMD_MMI_CLOSE           = 7, /* arg: slot */
  40     CMD_MMI_RECV            = 8, /* arg: slot */
  41     CMD_GET_PAT             = 10,
  42     CMD_GET_CAT             = 11,
  43     CMD_GET_NIT             = 12,
  44     CMD_GET_SDT             = 13,
  45     CMD_GET_PMT             = 14, /* arg: service_id (uint16_t) */
  46     CMD_GET_PIDS            = 15,
  47     CMD_GET_PID             = 16, /* arg: pid (uint16_t) */
  48     CMD_GET_EIT_PF          = 19, /* arg: service_id (uint16_t) */
  49     CMD_GET_EIT_SCHEDULE    = 20, /* arg: service_id (uint16_t) */
  50 } ctl_cmd_t;
  51
  52 typedef enum {
  53     RET_OK                  = 0,
  54     RET_ERR                 = 1,
  55     RET_FRONTEND_STATUS     = 2,
  56     RET_NODATA              = 7,
  57     RET_PAT                 = 8,
  58     RET_CAT                 = 9,
  59     RET_NIT                 = 10,
  60     RET_SDT                 = 11,
  61     RET_PMT                 = 12,
  62     RET_PIDS                = 13,
  63     RET_PID                 = 14,
  64     RET_EIT_PF              = 15,
  65     RET_EIT_SCHEDULE        = 16,
  66     RET_HUH                 = 255,
  67 } ctl_cmd_answer_t;
  68
  69 #ifdef HAVE_DVB_SUPPORT
  70 struct ret_frontend_status
  71 {
  72     struct dvb_frontend_info info;
  73     fe_status_t i_status;
  74     uint32_t i_ber;
  75     uint16_t i_strength, i_snr;
  76 };
  77 #endif
  78
  79 struct cmd_pid_info
  80 {
  81     ts_pid_info_t pids[MAX_PIDS];
  82 };