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dvb.c
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/*****************************************************************************
* dvb.c: linux-dvb input for DVBlast
*****************************************************************************
* Copyright (C) 2008-2010, 2015 VideoLAN
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
* 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.
*****************************************************************************/
#include "config.h"
#ifdef HAVE_DVB_SUPPORT
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <poll.h>
#include <errno.h>
/* DVB Card Drivers */
#include <linux/dvb/version.h>
#include <linux/dvb/dmx.h>
#include <linux/dvb/frontend.h>
#include <linux/dvb/ca.h>
#include <ev.h>
#if DVBAPI_VERSION < 508
#define DTV_STREAM_ID 42
#define FE_CAN_MULTISTREAM 0x4000000
#define FE_CAN_TURBO_FEC 0x8000000
#endif
#define MAX_DELIVERY_SYSTEMS 20
#include "dvblast.h"
#include "en50221.h"
#include "comm.h"
#include <bitstream/common.h>
/*****************************************************************************
* Local declarations
*****************************************************************************/
#define DVR_READ_TIMEOUT 30000000 /* 30 s */
#define MAX_READ_ONCE 50
#define DVR_BUFFER_SIZE 40*188*1024 /* bytes */
int i_dvr_buffer_size = DVR_BUFFER_SIZE;
static int i_frontend, i_dvr, i_sec;
static struct ev_io frontend_watcher, dvr_watcher;
static struct ev_timer lock_watcher, mute_watcher, print_watcher;
static fe_status_t i_last_status;
static block_t *p_freelist = NULL;
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static void DVRRead(struct ev_loop *loop, struct ev_io *w, int revents);
static void DVRMuteCb(struct ev_loop *loop, struct ev_timer *w, int revents);
static void FrontendRead(struct ev_loop *loop, struct ev_io *w, int revents);
static void FrontendLockCb(struct ev_loop *loop, struct ev_timer *w, int revents);
static void FrontendSet( bool b_reset );
/*****************************************************************************
* dvb_OpenDvr
*****************************************************************************/
void dvb_OpenDvr( void )
{
char psz_tmp[128];
sprintf( psz_tmp, "/dev/dvb/adapter%d/dvr%d", i_adapter, i_fenum );
if( (i_dvr = open(psz_tmp, O_RDONLY | O_NONBLOCK)) < 0 )
{
msg_Info(NULL, "opening device %s failed (%s), fallback on sec device",
psz_tmp, strerror(errno));
/* try to read from sec device */
sprintf(psz_tmp, "/dev/dvb/adapter%d/sec%d", i_adapter, i_fenum);
if ( (i_dvr = open(psz_tmp, O_RDONLY | O_NONBLOCK)) < 0 )
{
msg_Err(NULL, "opening device %s failed (%s)", psz_tmp,
strerror(errno));
exit(1);
}
}
if ( ioctl( i_dvr, DMX_SET_BUFFER_SIZE, i_dvr_buffer_size ) < 0 )
{
msg_Warn( NULL, "couldn't set %s buffer size (%s)", psz_tmp,
strerror(errno) );
}
ev_io_init(&dvr_watcher, DVRRead, i_dvr, EV_READ);
ev_io_start(event_loop, &dvr_watcher);
}
/*****************************************************************************
* dvb_OpenSec
*****************************************************************************/
void dvb_OpenSec( void )
{
char psz_tmp[128];
msg_Dbg( NULL, "compiled with DVB API version %d.%d", DVB_API_VERSION, DVB_API_VERSION_MINOR );
i_frontend = -1;
sprintf( psz_tmp, "/dev/dvb/adapter%d/sec%d", i_adapter, i_secnum );
if( (i_sec = open(psz_tmp, O_WRONLY)) < 0 )
{
msg_Err(NULL, "opening device %s failed (%s)", psz_tmp,
strerror(errno));
exit(1);
}
}
/*****************************************************************************
* dvb_Open
*****************************************************************************/
void dvb_Open( void )
{
char psz_tmp[128];
msg_Dbg( NULL, "compiled with DVB API version %d.%d", DVB_API_VERSION, DVB_API_VERSION_MINOR );
if ( i_frequency )
{
sprintf( psz_tmp, "/dev/dvb/adapter%d/frontend%d", i_adapter, i_fenum );
if( (i_frontend = open(psz_tmp, O_RDWR | O_NONBLOCK)) < 0 )
{
msg_Err( NULL, "opening device %s failed (%s)", psz_tmp,
strerror(errno) );
exit(1);
}
FrontendSet(true);
}
else
{
i_frontend = -1;
}
dvb_OpenDvr();
if ( i_frontend != -1 )
{
ev_io_init(&frontend_watcher, FrontendRead, i_frontend, EV_READ);
ev_io_start(event_loop, &frontend_watcher);
}
ev_timer_init(&lock_watcher, FrontendLockCb,
i_frontend_timeout_duration / 1000000.,
i_frontend_timeout_duration / 1000000.);
ev_timer_init(&mute_watcher, DVRMuteCb,
DVR_READ_TIMEOUT / 1000000.,
DVR_READ_TIMEOUT / 1000000.);
en50221_Init();
}
/*****************************************************************************
* dvb_Reset
*****************************************************************************/
void dvb_Reset( void )
{
if ( i_frequency )
FrontendSet(true);
}
/*****************************************************************************
* DVR events
*****************************************************************************/
static void DVRRead(struct ev_loop *loop, struct ev_io *w, int revents)
{
int i, i_len;
block_t *p_ts = p_freelist, **pp_current = &p_ts;
struct iovec p_iov[MAX_READ_ONCE];
for ( i = 0; i < MAX_READ_ONCE; i++ )
{
if ( (*pp_current) == NULL ) *pp_current = block_New();
p_iov[i].iov_base = (*pp_current)->p_ts;
p_iov[i].iov_len = TS_SIZE;
pp_current = &(*pp_current)->p_next;
}
if ( (i_len = readv(i_dvr, p_iov, MAX_READ_ONCE)) < 0 )
{
msg_Err( NULL, "couldn't read from DVR device (%s)",
strerror(errno) );
i_len = 0;
}
i_len /= TS_SIZE;
if ( i_len )
ev_timer_again(loop, &mute_watcher);
pp_current = &p_ts;
while ( i_len && *pp_current )
{
pp_current = &(*pp_current)->p_next;
i_len--;
}
p_freelist = *pp_current;
*pp_current = NULL;
demux_Run( p_ts );
}
static void DVRMuteCb(struct ev_loop *loop, struct ev_timer *w, int revents)
{
msg_Warn( NULL, "no DVR output, resetting" );
ev_timer_stop(loop, w);
switch (i_print_type) {
case PRINT_XML:
fprintf(print_fh, "<EVENT type=\"reset\" cause=\"dvr\" />\n");
break;
case PRINT_TEXT:
fprintf(print_fh, "reset cause: dvr\n");
break;
default:
break;
}
if ( i_frequency )
FrontendSet(false);
en50221_Reset();
}
/*
* Demux
*/
/*****************************************************************************
* dvb_SetFilter : controls the demux to add a filter
*****************************************************************************/
int dvb_SetFilter( uint16_t i_pid )
{
struct dmx_pes_filter_params s_filter_params;
char psz_tmp[128];
int i_fd;
sprintf( psz_tmp, "/dev/dvb/adapter%d/demux%d", i_adapter, i_fenum );
if( (i_fd = open(psz_tmp, O_RDWR)) < 0 )
{
msg_Err( NULL, "DMXSetFilter: opening device failed (%s)",
strerror(errno) );
return -1;
}
s_filter_params.pid = i_pid;
s_filter_params.input = DMX_IN_FRONTEND;
s_filter_params.output = DMX_OUT_TS_TAP;
s_filter_params.flags = DMX_IMMEDIATE_START;
s_filter_params.pes_type = DMX_PES_OTHER;
if ( ioctl( i_fd, DMX_SET_PES_FILTER, &s_filter_params ) < 0 )
{
msg_Err( NULL, "failed setting filter on %d (%s)", i_pid,
strerror(errno) );
close( i_fd );
return -1;
}
msg_Dbg( NULL, "setting filter on PID %d", i_pid );
return i_fd;
}
/*****************************************************************************
* dvb_UnsetFilter : removes a filter
*****************************************************************************/
void dvb_UnsetFilter( int i_fd, uint16_t i_pid )
{
if ( ioctl( i_fd, DMX_STOP ) < 0 )
msg_Err( NULL, "DMX_STOP failed (%s)", strerror(errno) );
else
msg_Dbg( NULL, "unsetting filter on PID %d", i_pid );
close( i_fd );
}
/*****************************************************************************
* dvb_WriteSec: write data to sec device
*****************************************************************************/
void dvb_WriteSec( block_t *p_ts )
{
int i_iov = 0;
for (block_t *p_b = p_ts; p_b; p_b = p_b->p_next)
i_iov++;
struct iovec p_iov[i_iov];
struct iovec *p_current = &p_iov[0];
for (block_t *p_b = p_ts; p_b; p_b = p_b->p_next)
{
p_current->iov_base = p_b->p_ts;
p_current->iov_len = TS_SIZE;
p_current++;
}
int i_len;
if ( (i_len = writev( i_sec, p_iov, i_iov )) < 0 )
{
msg_Err( NULL, "couldn't write to DVB sec (%s)", strerror(errno) );
}
block_DeleteChain( p_ts );
}
/*
* Frontend
*/
/*****************************************************************************
* Print info
*****************************************************************************/
static void PrintCb( struct ev_loop *loop, struct ev_timer *w, int revents )
{
uint32_t i_ber = 0;
uint16_t i_strength = 0, i_snr = 0;
uint32_t i_uncorrected = 0;
ioctl(i_frontend, FE_READ_BER, &i_ber);
ioctl(i_frontend, FE_READ_SIGNAL_STRENGTH, &i_strength);
ioctl(i_frontend, FE_READ_SNR, &i_snr);
ioctl(i_frontend, FE_READ_UNCORRECTED_BLOCKS, &i_uncorrected);
int64_t i_strength_dbm = i_strength;
int64_t i_snr_db = i_snr;
#ifdef DTV_STAT_SIGNAL_STRENGTH
struct dtv_property prop[] = {
{ .cmd = DTV_STAT_SIGNAL_STRENGTH },
{ .cmd = DTV_STAT_CNR },
};
struct dtv_properties props = { .num = 2, .props = prop };
if (ioctl(i_frontend, FE_GET_PROPERTY, &props) != -1)
{
if (prop[0].u.st.len > 0 &&
prop[0].u.st.stat[0].scale == FE_SCALE_DECIBEL)
i_strength_dbm = prop[0].u.st.stat[0].svalue;
if (prop[1].u.st.len > 0 &&
prop[1].u.st.stat[0].scale == FE_SCALE_DECIBEL)
i_snr_db = prop[1].u.st.stat[0].svalue;
}
#endif
switch (i_print_type)
{
case PRINT_XML:
fprintf(print_fh,
"<STATUS type=\"frontend\" ber=\"%"PRIu32"\" strength=\"%"PRId64"\" snr=\"%"PRId64"\" uncorrected=\"%"PRIu32"\" />\n",
i_ber, i_strength_dbm, i_snr_db, i_uncorrected);
break;
case PRINT_TEXT:
fprintf(print_fh, "frontend ber: %"PRIu32" strength: %"PRId64" snr: %"PRId64" uncorrected: %"PRIu32"\n",
i_ber, i_strength_dbm, i_snr_db, i_uncorrected);
break;
default:
break;
}
}
/*****************************************************************************
* Frontend events
*****************************************************************************/
static void FrontendRead(struct ev_loop *loop, struct ev_io *w, int revents)
{
struct dvb_frontend_event event;
fe_status_t i_status, i_diff;
for( ;; )
{
int i_ret = ioctl( i_frontend, FE_GET_EVENT, &event );
if( i_ret < 0 )
{
if( errno == EWOULDBLOCK )
return; /* no more events */
msg_Err( NULL, "reading frontend event failed (%d) %s",
i_ret, strerror(errno) );
return;
}
i_status = event.status;
i_diff = i_status ^ i_last_status;
i_last_status = i_status;
{
#define IF_UP( x ) \
} \
if ( i_diff & (x) ) \
{ \
if ( i_status & (x) )
IF_UP( FE_HAS_SIGNAL )
msg_Dbg( NULL, "frontend has acquired signal" );
else
msg_Dbg( NULL, "frontend has lost signal" );
IF_UP( FE_HAS_CARRIER )
msg_Dbg( NULL, "frontend has acquired carrier" );
else
msg_Dbg( NULL, "frontend has lost carrier" );
IF_UP( FE_HAS_VITERBI )
msg_Dbg( NULL, "frontend has acquired stable FEC" );
else
msg_Dbg( NULL, "frontend has lost FEC" );
IF_UP( FE_HAS_SYNC )
msg_Dbg( NULL, "frontend has acquired sync" );
else
msg_Dbg( NULL, "frontend has lost sync" );
IF_UP( FE_HAS_LOCK )
{
int32_t i_value = 0;
msg_Info( NULL, "frontend has acquired lock" );
switch (i_print_type) {
case PRINT_XML:
fprintf(print_fh, "<STATUS type=\"lock\" status=\"1\" />\n");
break;
case PRINT_TEXT:
fprintf(print_fh, "lock status: 1\n");
break;
default:
break;
}
ev_timer_stop(loop, &lock_watcher);
ev_timer_again(loop, &mute_watcher);
/* Read some statistics */
if( ioctl( i_frontend, FE_READ_BER, &i_value ) >= 0 )
msg_Dbg( NULL, "- Bit error rate: %d", i_value );
if( ioctl( i_frontend, FE_READ_SIGNAL_STRENGTH, &i_value ) >= 0 )
msg_Dbg( NULL, "- Signal strength: %d", i_value );
if( ioctl( i_frontend, FE_READ_SNR, &i_value ) >= 0 )
msg_Dbg( NULL, "- SNR: %d", i_value );
if (i_print_period)
{
ev_timer_init( &print_watcher, PrintCb,
i_print_period / 1000000.,
i_print_period / 1000000. );
ev_timer_start( event_loop, &print_watcher );
}
}
else
{
msg_Dbg( NULL, "frontend has lost lock" );
switch (i_print_type) {
case PRINT_XML:
fprintf(print_fh, "<STATUS type=\"lock\" status=\"0\"/>\n");
break;
case PRINT_TEXT:
fprintf(print_fh, "lock status: 0\n");
break;
default:
break;
}
if (i_frontend_timeout_duration)
{
ev_timer_stop(event_loop, &lock_watcher);
ev_timer_again(loop, &mute_watcher);
}
if (i_print_period)
ev_timer_stop(event_loop, &print_watcher);
}
IF_UP( FE_REINIT )
{
/* The frontend was reinited. */
msg_Warn( NULL, "reiniting frontend");
if ( i_frequency )
FrontendSet(true);
}
}
#undef IF_UP
}
}
static void FrontendLockCb(struct ev_loop *loop, struct ev_timer *w, int revents)
{
if ( i_quit_timeout_duration )
{
msg_Err( NULL, "no lock" );
ev_break(loop, EVBREAK_ALL);
return;
}
msg_Warn( NULL, "no lock, tuning again" );
ev_timer_stop(loop, w);
switch (i_print_type) {
case PRINT_XML:
fprintf(print_fh, "<EVENT type=\"reset\" cause=\"nolock\" />\n");
break;
case PRINT_TEXT:
fprintf(print_fh, "reset cause: nolock\n");
break;
default:
break;
}
if ( i_frequency )
FrontendSet(false);
}
static int FrontendDoDiseqc(void)
{
fe_sec_voltage_t fe_voltage;
fe_sec_tone_mode_t fe_tone;
int bis_frequency;
switch ( i_voltage )
{
case 0: fe_voltage = SEC_VOLTAGE_OFF; break;
default:
case 13: fe_voltage = SEC_VOLTAGE_13; break;
case 18: fe_voltage = SEC_VOLTAGE_18; break;
}
fe_tone = b_tone ? SEC_TONE_ON : SEC_TONE_OFF;
if ( strcmp( psz_lnb_type, "universal" ) == 0 )
{
/* Automatic mode. */
if ( i_frequency >= 950000 && i_frequency <= 2150000 )
{
msg_Dbg( NULL, "frequency %d is in IF-band", i_frequency );
bis_frequency = i_frequency;
}
else if ( i_frequency >= 2500000 && i_frequency <= 2700000 )
{
msg_Dbg( NULL, "frequency %d is in S-band", i_frequency );
bis_frequency = 3650000 - i_frequency;
}
else if ( i_frequency >= 3400000 && i_frequency <= 4200000 )
{
msg_Dbg( NULL, "frequency %d is in C-band (lower)", i_frequency );
bis_frequency = 5150000 - i_frequency;
}
else if ( i_frequency >= 4500000 && i_frequency <= 4800000 )
{
msg_Dbg( NULL, "frequency %d is in C-band (higher)", i_frequency );
bis_frequency = 5950000 - i_frequency;
}
else if ( i_frequency >= 10700000 && i_frequency < 11700000 )
{
msg_Dbg( NULL, "frequency %d is in Ku-band (lower)",
i_frequency );
bis_frequency = i_frequency - 9750000;
}
else if ( i_frequency >= 11700000 && i_frequency <= 13250000 )
{
msg_Dbg( NULL, "frequency %d is in Ku-band (higher)",
i_frequency );
bis_frequency = i_frequency - 10600000;
fe_tone = SEC_TONE_ON;
}
else
{
msg_Err( NULL, "frequency %d is out of any known band",
i_frequency );
exit(1);
}
}
else if ( strcmp( psz_lnb_type, "old-sky" ) == 0 )
{
if ( i_frequency >= 11700000 && i_frequency <= 13250000 )
{
msg_Dbg( NULL, "frequency %d is in Ku-band (higher)",
i_frequency );
bis_frequency = i_frequency - 11300000;
fe_tone = SEC_TONE_ON;
}
else
{
msg_Err( NULL, "frequency %d is out of any known band",
i_frequency );
exit(1);
}
}
else
{
msg_Err( NULL, "lnb-type '%s' is not known. Valid type: universal old-sky",
psz_lnb_type );
exit(1);
}
/* Switch off continuous tone. */
if ( ioctl( i_frontend, FE_SET_TONE, SEC_TONE_OFF ) < 0 )
{
msg_Err( NULL, "FE_SET_TONE failed (%s)", strerror(errno) );
exit(1);
}
/* Configure LNB voltage. */
if ( ioctl( i_frontend, FE_SET_VOLTAGE, fe_voltage ) < 0 )
{
msg_Err( NULL, "FE_SET_VOLTAGE failed (%s)", strerror(errno) );
exit(1);
}
/* Wait for at least 15 ms. Currently 100 ms because of broken drivers. */
msleep(100000);
/* Diseqc */
if ( i_satnum > 0 && i_satnum < 5 )
{
/* digital satellite equipment control,
* specification is available from http://www.eutelsat.com/
*/
/* DiSEqC 1.1 */
struct dvb_diseqc_master_cmd uncmd =
{ {0xe0, 0x10, 0x39, 0xf0, 0x00, 0x00}, 4};
/* DiSEqC 1.0 */
struct dvb_diseqc_master_cmd cmd =
{ {0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00}, 4};
cmd.msg[3] = 0xf0 /* reset bits */
| ((i_satnum - 1) << 2)
| (fe_voltage == SEC_VOLTAGE_13 ? 0 : 2)
| (fe_tone == SEC_TONE_ON ? 1 : 0);
if ( i_uncommitted > 0 && i_uncommitted < 17 )
{
uncmd.msg[3] = 0xf0 /* reset bits */
| (i_uncommitted - 1);
if( ioctl( i_frontend, FE_DISEQC_SEND_MASTER_CMD, &uncmd ) < 0 )
{
msg_Err( NULL, "ioctl FE_SEND_MASTER_CMD failed (%s)",
strerror(errno) );
exit(1);
}
/* Repeat uncommitted command */
uncmd.msg[0] = 0xe1; /* framing: master, no reply, repeated TX */
if( ioctl( i_frontend, FE_DISEQC_SEND_MASTER_CMD, &uncmd ) < 0 )
{
msg_Err( NULL, "ioctl FE_SEND_MASTER_CMD failed (%s)",
strerror(errno) );
exit(1);
}
/* Pause 125 ms between uncommitted & committed diseqc commands. */
msleep(125000);
}
if( ioctl( i_frontend, FE_DISEQC_SEND_MASTER_CMD, &cmd ) < 0 )
{
msg_Err( NULL, "ioctl FE_SEND_MASTER_CMD failed (%s)",
strerror(errno) );
exit(1);
}
msleep(100000); /* Should be 15 ms. */
/* Do it again just to be sure. */
cmd.msg[0] = 0xe1; /* framing: master, no reply, repeated TX */
if( ioctl( i_frontend, FE_DISEQC_SEND_MASTER_CMD, &cmd ) < 0 )
{
msg_Err( NULL, "ioctl FE_SEND_MASTER_CMD failed (%s)",
strerror(errno) );
exit(1);
}
msleep(100000); /* Again, should be 15 ms */
}
else if ( i_satnum == 0xA || i_satnum == 0xB )
{
/* A or B simple diseqc ("diseqc-compatible") */
if( ioctl( i_frontend, FE_DISEQC_SEND_BURST,
i_satnum == 0xB ? SEC_MINI_B : SEC_MINI_A ) < 0 )
{
msg_Err( NULL, "ioctl FE_SEND_BURST failed (%s)", strerror(errno) );
exit(1);
}
msleep(100000); /* ... */
}
if ( ioctl( i_frontend, FE_SET_TONE, fe_tone ) < 0 )
{
msg_Err( NULL, "FE_SET_TONE failed (%s)", strerror(errno) );
exit(1);
}
msleep(100000); /* ... */
msg_Dbg( NULL, "configuring LNB to v=%d p=%d satnum=%x uncommitted=%x lnb-type=%s bis_frequency=%d",
i_voltage, b_tone, i_satnum, i_uncommitted, psz_lnb_type, bis_frequency );
return bis_frequency;
}
#if DVB_API_VERSION >= 5
#if DVBAPI_VERSION < 505
#warning Your linux-dvb headers are old, you should consider upgrading your kernel and/or compiling against different kernel headers
#endif
/*****************************************************************************
* Helper functions for S2API
*****************************************************************************/
static fe_spectral_inversion_t GetInversion(void)
{
switch ( i_inversion )
{
case 0: return INVERSION_OFF;
case 1: return INVERSION_ON;
default:
msg_Warn( NULL, "invalid inversion %d", i_inversion );
case -1: return INVERSION_AUTO;
}
}
static fe_code_rate_t GetFEC(fe_caps_t fe_caps, int i_fec_value)
{
#define GET_FEC_INNER(fec, val) \
if ( (fe_caps & FE_CAN_##fec) && (i_fec_value == val) ) \
return fec;
GET_FEC_INNER(FEC_AUTO, 999);
GET_FEC_INNER(FEC_AUTO, -1);
if (i_fec_value == 0)
return FEC_NONE;
GET_FEC_INNER(FEC_1_2, 12);
GET_FEC_INNER(FEC_2_3, 23);
GET_FEC_INNER(FEC_3_4, 34);
if (i_fec_value == 35)
return FEC_3_5;
GET_FEC_INNER(FEC_4_5, 45);
GET_FEC_INNER(FEC_5_6, 56);
GET_FEC_INNER(FEC_6_7, 67);
GET_FEC_INNER(FEC_7_8, 78);
GET_FEC_INNER(FEC_8_9, 89);
if (i_fec_value == 910)
return FEC_9_10;
#undef GET_FEC_INNER
msg_Warn(NULL, "invalid FEC %d", i_fec_value );
return FEC_AUTO;
}
#define GetFECInner(caps) GetFEC(caps, i_fec)
#define GetFECLP(caps) GetFEC(caps, i_fec_lp)
static fe_modulation_t GetModulation(void)
{
#define GET_MODULATION( mod ) \
if ( !strcasecmp( psz_modulation, #mod ) ) \
return mod;
GET_MODULATION(QPSK);
GET_MODULATION(QAM_16);
GET_MODULATION(QAM_32);
GET_MODULATION(QAM_64);
GET_MODULATION(QAM_128);
GET_MODULATION(QAM_256);
GET_MODULATION(QAM_AUTO);
GET_MODULATION(VSB_8);
GET_MODULATION(VSB_16);
GET_MODULATION(PSK_8);
GET_MODULATION(APSK_16);
GET_MODULATION(APSK_32);
GET_MODULATION(DQPSK);
#undef GET_MODULATION
msg_Err( NULL, "invalid modulation %s", psz_modulation );
exit(1);
}
static fe_pilot_t GetPilot(void)
{
switch ( i_pilot )
{
case 0: return PILOT_OFF;
case 1: return PILOT_ON;
default:
msg_Warn( NULL, "invalid pilot %d", i_pilot );
case -1: return PILOT_AUTO;
}
}
static fe_rolloff_t GetRollOff(void)
{
switch ( i_rolloff )
{
case -1:
case 0: return ROLLOFF_AUTO;
case 20: return ROLLOFF_20;
case 25: return ROLLOFF_25;
default:
msg_Warn( NULL, "invalid rolloff %d", i_rolloff );
case 35: return ROLLOFF_35;
}
}
static fe_guard_interval_t GetGuard(void)
{
switch ( i_guard )
{
case 32: return GUARD_INTERVAL_1_32;
case 16: return GUARD_INTERVAL_1_16;
case 8: return GUARD_INTERVAL_1_8;
case 4: return GUARD_INTERVAL_1_4;
default:
msg_Warn( NULL, "invalid guard interval %d", i_guard );
case -1:
case 0: return GUARD_INTERVAL_AUTO;
}
}
static fe_transmit_mode_t GetTransmission(void)
{
switch ( i_transmission )
{
case 2: return TRANSMISSION_MODE_2K;
case 8: return TRANSMISSION_MODE_8K;
#ifdef TRANSMISSION_MODE_4K
case 4: return TRANSMISSION_MODE_4K;
#endif
default:
msg_Warn( NULL, "invalid tranmission mode %d", i_transmission );
case -1:
case 0: return TRANSMISSION_MODE_AUTO;
}
}
static fe_hierarchy_t GetHierarchy(void)
{
switch ( i_hierarchy )
{
case 0: return HIERARCHY_NONE;
case 1: return HIERARCHY_1;
case 2: return HIERARCHY_2;
case 4: return HIERARCHY_4;
default:
msg_Warn( NULL, "invalid intramission mode %d", i_transmission );
case -1: return HIERARCHY_AUTO;
}
}
/*****************************************************************************
* FrontendInfo : Print frontend info
*****************************************************************************/
static void FrontendInfo( struct dvb_frontend_info *info, uint32_t version,
fe_delivery_system_t *p_systems, int i_systems )
{
msg_Dbg( NULL, "using DVB API version %d.%d", version / 256, version % 256 );
msg_Dbg( NULL, "Frontend \"%s\" supports:", info->name );
msg_Dbg( NULL, " frequency min: %d, max: %d, stepsize: %d, tolerance: %d",
info->frequency_min, info->frequency_max,
info->frequency_stepsize, info->frequency_tolerance );
msg_Dbg( NULL, " symbolrate min: %d, max: %d, tolerance: %d",
info->symbol_rate_min, info->symbol_rate_max, info->symbol_rate_tolerance);
msg_Dbg( NULL, " capabilities:" );
#define FRONTEND_INFO(caps,val,msg) \
if ( caps & val ) \
msg_Dbg( NULL, " %s", msg );
FRONTEND_INFO( info->caps, FE_IS_STUPID, "FE_IS_STUPID" )
FRONTEND_INFO( info->caps, FE_CAN_INVERSION_AUTO, "INVERSION_AUTO" )
FRONTEND_INFO( info->caps, FE_CAN_FEC_1_2, "FEC_1_2" )
FRONTEND_INFO( info->caps, FE_CAN_FEC_2_3, "FEC_2_3" )
FRONTEND_INFO( info->caps, FE_CAN_FEC_3_4, "FEC_3_4" )
FRONTEND_INFO( info->caps, FE_CAN_FEC_4_5, "FEC_4_5" )
FRONTEND_INFO( info->caps, FE_CAN_FEC_5_6, "FEC_5_6" )
FRONTEND_INFO( info->caps, FE_CAN_FEC_6_7, "FEC_6_7" )
FRONTEND_INFO( info->caps, FE_CAN_FEC_7_8, "FEC_7_8" )
FRONTEND_INFO( info->caps, FE_CAN_FEC_8_9, "FEC_8_9" )
FRONTEND_INFO( info->caps, FE_CAN_FEC_AUTO,"FEC_AUTO")
FRONTEND_INFO( info->caps, FE_CAN_QPSK, "QPSK" )
FRONTEND_INFO( info->caps, FE_CAN_QAM_16, "QAM_16" )
FRONTEND_INFO( info->caps, FE_CAN_QAM_32, "QAM_32" )
FRONTEND_INFO( info->caps, FE_CAN_QAM_64, "QAM_64" )
FRONTEND_INFO( info->caps, FE_CAN_QAM_128,"QAM_128")
FRONTEND_INFO( info->caps, FE_CAN_QAM_256,"QAM_256")
FRONTEND_INFO( info->caps, FE_CAN_QAM_AUTO,"QAM_AUTO" )
FRONTEND_INFO( info->caps, FE_CAN_TRANSMISSION_MODE_AUTO, "TRANSMISSION_MODE_AUTO" )
FRONTEND_INFO( info->caps, FE_CAN_BANDWIDTH_AUTO, "BANDWIDTH_AUTO" )
FRONTEND_INFO( info->caps, FE_CAN_GUARD_INTERVAL_AUTO, "GUARD_INTERVAL_AUTO" )
FRONTEND_INFO( info->caps, FE_CAN_HIERARCHY_AUTO, "HIERARCHY_AUTO" )
FRONTEND_INFO( info->caps, FE_CAN_8VSB, "8VSB" )
FRONTEND_INFO( info->caps, FE_CAN_16VSB,"16VSB" )
FRONTEND_INFO( info->caps, FE_HAS_EXTENDED_CAPS, "EXTENDED_CAPS" )
#if DVBAPI_VERSION >= 501
FRONTEND_INFO( info->caps, FE_CAN_2G_MODULATION, "2G_MODULATION" )
#endif
FRONTEND_INFO( info->caps, FE_CAN_MULTISTREAM, "MULTISTREAM" )
FRONTEND_INFO( info->caps, FE_CAN_TURBO_FEC, "TURBO_FEC" )
FRONTEND_INFO( info->caps, FE_NEEDS_BENDING, "NEEDS_BENDING" )
FRONTEND_INFO( info->caps, FE_CAN_RECOVER, "FE_CAN_RECOVER" )
FRONTEND_INFO( info->caps, FE_CAN_MUTE_TS, "FE_CAN_MUTE_TS" )
#undef FRONTEND_INFO
msg_Dbg( NULL, " delivery systems:" );
int i;
for ( i = 0; i < i_systems; i++ )
{
switch ( p_systems[i] )
{
#define DELSYS_INFO(delsys, msg) \
case delsys: msg_Dbg( NULL, " %s", msg); break;
DELSYS_INFO( SYS_ATSC, "ATSC" )
DELSYS_INFO( SYS_ATSCMH, "ATSCMH" )
DELSYS_INFO( SYS_CMMB, "CMBB" )
DELSYS_INFO( SYS_DAB, "DAB" )
DELSYS_INFO( SYS_DSS, "DSS" )
DELSYS_INFO( SYS_DVBC_ANNEX_B, "DVBC_ANNEX_B" )
DELSYS_INFO( SYS_DVBH, "DVBH" )
DELSYS_INFO( SYS_DVBS, "DVBS" )
DELSYS_INFO( SYS_DVBS2, "DVBS2" )
DELSYS_INFO( SYS_DVBT, "DVBT" )
DELSYS_INFO( SYS_ISDBC, "ISDBC" )
DELSYS_INFO( SYS_ISDBS, "ISDBS" )
DELSYS_INFO( SYS_ISDBT, "ISDBT" )
DELSYS_INFO( SYS_UNDEFINED, "UNDEFINED" )
#if DVBAPI_VERSION >= 505
DELSYS_INFO( SYS_DVBC_ANNEX_A, "DVBC_ANNEX_A" )
DELSYS_INFO( SYS_DVBC_ANNEX_C, "DVBC_ANNEX_C" )
DELSYS_INFO( SYS_DVBT2, "DVBT2" )
DELSYS_INFO( SYS_TURBO, "TURBO" )
#else
DELSYS_INFO( SYS_DVBC_ANNEX_AC, "DVBC_ANNEX_AC" )
#endif
#if DVBAPI_VERSION >= 507
DELSYS_INFO( SYS_DTMB, "DTMB" )
#else
DELSYS_INFO( SYS_DMBTH, "DMBTH" )
#endif
default: msg_Dbg( NULL, " Unknown delivery system %u", p_systems[i]);
break;
}
}
}
/*****************************************************************************
* FrontendSet
*****************************************************************************/
/* S2API */
#if DVBAPI_VERSION >= 505
static struct dtv_property info_cmdargs[] = {
{ .cmd = DTV_API_VERSION, .u.data = 0 },
};
static struct dtv_properties info_cmdseq = {
.num = sizeof(info_cmdargs)/sizeof(struct dtv_property),
.props = info_cmdargs
};
static struct dtv_property enum_cmdargs[] = {
{ .cmd = DTV_ENUM_DELSYS, .u.data = 0 },
};
static struct dtv_properties enum_cmdseq = {
.num = sizeof(enum_cmdargs)/sizeof(struct dtv_property),
.props = enum_cmdargs
};
#endif
static struct dtv_property dvbs_cmdargs[] = {
{ .cmd = DTV_DELIVERY_SYSTEM, .u.data = SYS_DVBS },
{ .cmd = DTV_FREQUENCY, .u.data = 0 },
{ .cmd = DTV_MODULATION, .u.data = QPSK },
{ .cmd = DTV_INVERSION, .u.data = INVERSION_AUTO },
{ .cmd = DTV_SYMBOL_RATE, .u.data = 27500000 },
{ .cmd = DTV_INNER_FEC, .u.data = FEC_AUTO },
{ .cmd = DTV_TUNE },
};