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mpv/libmpdemux/dvbin.c

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/*
dvbstream
(C) Dave Chapman <dave@dchapman.com> 2001, 2002.
The latest version can be found at http://www.linuxstb.org/dvbstream
Copyright notice:
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// Linux includes:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <sys/stat.h>
#include <resolv.h>
#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
#include <values.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include "config.h"
// DVB includes:
#include "stream.h"
#include "demuxer.h"
#include "../cfgparser.h"
#include "dvbin.h"
#include "dvb_defaults.h"
extern int video_id, audio_id, demuxer_type;
#define MAX_CHANNELS 8
#define min(a, b) ((a) <= (b) ? (a) : (b))
int dvbin_param_card, dvbin_param_freq, dvbin_param_srate, dvbin_param_diseqc = 0,
dvbin_param_tone = -1, dvbin_param_vid, dvbin_param_aid, dvbin_is_active = 0;
int dvbin_param_mod, dvbin_param_gi, dvbin_param_tm, dvbin_param_bw, dvbin_param_cr;
char *dvbin_param_pol = "", *dvbin_param_inv="INVERSION_AUTO",
*dvbin_param_type="SAT ",
*dvbin_param_prog = " ";
dvb_history_t dvb_prev_next;
struct config dvbin_opts_conf[] = {
{"on", &dvbin_param_on, CONF_TYPE_INT, 0, 0, 1, NULL},
{"type", &dvbin_param_type, CONF_TYPE_STRING, 0, 0, 1, NULL},
{"card", &dvbin_param_card, CONF_TYPE_INT, CONF_RANGE, 1, 4, NULL},
{"freq", &dvbin_param_freq, CONF_TYPE_INT, 0, 0, 1, NULL},
{"pol", &dvbin_param_pol, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"srate", &dvbin_param_srate, CONF_TYPE_INT, 0, 0, 1, NULL},
{"diseqc", &dvbin_param_diseqc, CONF_TYPE_INT, CONF_RANGE, 1, 4, NULL},
{"tone", &dvbin_param_tone, CONF_TYPE_INT, 0, 0, 1, NULL},
{"vid", &dvbin_param_vid, CONF_TYPE_INT, 0, 0, 1, NULL},
{"aid", &dvbin_param_aid, CONF_TYPE_INT, 0, 0, 1, NULL},
{"prog", &dvbin_param_prog, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"inv", &dvbin_param_inv, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"mod", &dvbin_param_mod, CONF_TYPE_INT, 0, 0, 1, NULL},
{"gi", &dvbin_param_gi, CONF_TYPE_INT, 0, 0, 1, NULL},
{"tm", &dvbin_param_tm, CONF_TYPE_INT, 0, 0, 1, NULL},
{"bw", &dvbin_param_bw, CONF_TYPE_INT, 0, 0, 1, NULL},
{"cr", &dvbin_param_cr, CONF_TYPE_INT, 0, 0, 1, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
int card=0;
extern int open_fe(int* fd_frontend, int* fd_sec);
extern int set_ts_filt(int fd, uint16_t pid, dmx_pes_type_t pestype);
extern int demux_stop(int fd);
extern void make_nonblock(int f);
extern int dvb_tune(dvb_priv_t *priv, int freq, char pol, int srate, int diseqc, int tone,
fe_spectral_inversion_t specInv, fe_modulation_t modulation, fe_guard_interval_t guardInterval,
fe_transmit_mode_t TransmissionMode, fe_bandwidth_t bandWidth, fe_code_rate_t HP_CodeRate);
extern char *frontenddev[4], *dvrdev[4], *secdev[4], *demuxdev[4];
dvb_channels_list *dvb_get_channels(char *filename, const char *type)
{
dvb_channels_list *list;
FILE *f;
uint8_t line[128];
int fields, row_count;
dvb_channel_t *ptr;
char *tmp_lcr, *tmp_hier, *inv, *bw, *cr, *mod, *transm, *gi;
//const char *cbl_conf = "%a[^:]:%d:%c:%d:%a[^:]:%a[^:]:%d:%d\n";
const char *sat_conf = "%a[^:]:%d:%c:%d:%d:%d:%d:%d:%d:%d\n";
const char *ter_conf = "%a[^:]:%d:%a[^:]:%a[^:]:%a[^:]:%a[^:]:%a[^:]:%a[^:]:%a[^:]:%a[^:]:%d:%d\n";
list = malloc(sizeof(dvb_channels_list));
if(list == NULL)
{
mp_msg(MSGT_DEMUX, MSGL_V, "DVB_GET_CHANNELS: couldn't malloc enough memory\n");
return NULL;
}
mp_msg(MSGT_DEMUX, MSGL_V, "CONFIG_READ FILE: %s, type: %s\n", filename, type);
if((f=fopen(filename, "r"))==NULL)
{
mp_msg(MSGT_DEMUX, MSGL_FATAL, "CAN'T READ CONFIG FILE %s\n", filename);
return NULL;
}
list->NUM_CHANNELS = 0;
row_count = 0;
while(! feof(f) && row_count < 512)
{
if( fgets(line, 128, f) == NULL ) continue;
if(line[0] == '#')
continue; //comment line
ptr = &(list->channels[ list->NUM_CHANNELS ]);
if(! strcmp(type, "TER"))
{
fields = sscanf(line, ter_conf,
&ptr->name, &ptr->freq, &inv, &bw, &cr, tmp_lcr, &mod,
&transm, &gi, &tmp_hier, &ptr->vpid, &ptr->apid1);
if(! strcmp(inv, "INVERSION_ON"))
ptr->inv = INVERSION_ON;
else if(! strcmp(inv, "INVERSION_OFF"))
ptr->inv = INVERSION_OFF;
else
ptr->inv = INVERSION_AUTO;
if(! strcmp(bw, "BANDWIDTH_6_MHZ"))
ptr->bw = BANDWIDTH_6_MHZ;
else if(! strcmp(bw, "BANDWIDTH_7_MHZ"))
ptr->bw = BANDWIDTH_7_MHZ;
else if(! strcmp(bw, "BANDWIDTH_8_MHZ"))
ptr->bw = BANDWIDTH_8_MHZ;
if(! strcmp(cr, "FEC_1_2"))
ptr->cr =FEC_1_2;
else if(! strcmp(cr, "FEC_2_3"))
ptr->cr =FEC_2_3;
else if(! strcmp(cr, "FEC_3_4"))
ptr->cr =FEC_3_4;
#ifdef HAVE_DVB_HEAD
else if(! strcmp(cr, "FEC_4_5"))
ptr->cr =FEC_4_5;
else if(! strcmp(cr, "FEC_6_7"))
ptr->cr =FEC_6_7;
else if(! strcmp(cr, "FEC_8_9"))
ptr->cr =FEC_8_9;
#endif
else if(! strcmp(cr, "FEC_5_6"))
ptr->cr =FEC_5_6;
else if(! strcmp(cr, "FEC_7_8"))
ptr->cr =FEC_7_8;
else if(! strcmp(cr, "FEC_NONE"))
ptr->cr =FEC_NONE;
else ptr->cr =FEC_AUTO;
if(! strcmp(mod, "QAM_128"))
ptr->mod = QAM_128;
else if(! strcmp(mod, "QAM_256"))
ptr->mod = QAM_256;
else if(! strcmp(mod, "QAM_64"))
ptr->mod = QAM_64;
else if(! strcmp(mod, "QAM_32"))
ptr->mod = QAM_32;
else if(! strcmp(mod, "QAM_16"))
ptr->mod = QAM_16;
else ptr->mod = QPSK;
if(! strcmp(transm, "TRANSMISSION_MODE_2K"))
ptr->trans = TRANSMISSION_MODE_2K;
else if(! strcmp(transm, "TRANSMISSION_MODE_8K"))
ptr->trans = TRANSMISSION_MODE_8K;
if(! strcmp(gi, "GUARD_INTERVAL_1_32"))
ptr->gi = GUARD_INTERVAL_1_32;
else if(! strcmp(gi, "GUARD_INTERVAL_1_16"))
ptr->gi = GUARD_INTERVAL_1_16;
else if(! strcmp(gi, "GUARD_INTERVAL_1_8"))
ptr->gi = GUARD_INTERVAL_1_8;
else ptr->gi = GUARD_INTERVAL_1_4;
}
/*
else if(! strcmp(type, "CBL"))
{
fields = sscanf(line, cbl_conf,
&ptr->name, &ptr->freq, &ptr->inv, &ptr->qam,
&ptr->fec, &ptr->mod, &ptr->vpid, &ptr->apid1);
}
*/
else //SATELLITE
{
fields = sscanf(line, sat_conf,
&ptr->name, &ptr->freq, &ptr->pol, &ptr->diseqc, &ptr->srate, &ptr->vpid, &ptr->apid1,
&ptr->tpid, &ptr->ca, &ptr->progid);
ptr->pol = toupper(ptr->pol);
ptr->freq *= 1000UL;
ptr->srate *= 1000UL;
ptr->tone = -1;
mp_msg(MSGT_DEMUX, MSGL_V,
"NUM_FIELDS: %d, NAME: %s, FREQ: %d, SRATE: %d, POL: %c, DISEQC: %d, TONE: %d, VPID: %d, APID1: %d, APID2: %d, TPID: %d, PROGID: %d, NUM: %d\n",
fields, ptr->name, ptr->freq, ptr->srate, ptr->pol, ptr->diseqc, ptr->tone, ptr->vpid, ptr->apid1, ptr->apid2, ptr->tpid, ptr->progid, list->NUM_CHANNELS);
}
list->NUM_CHANNELS++;
row_count++;
}
fclose(f);
return list;
}
static long getmsec()
{
struct timeval tv;
gettimeofday(&tv, (struct timezone*) NULL);
return(tv.tv_sec%1000000)*1000 + tv.tv_usec/1000;
}
int dvb_streaming_read(int fd, char *buffer, unsigned int size, dvb_priv_t *priv)
{
struct pollfd pfds[1];
uint32_t ok = 0, pos = 0, tot = 0, rk, d, r, m;
mp_msg(MSGT_DEMUX, MSGL_DBG2, "dvb_streaming_read(%u)\n", fd);
while(pos < size)
{
ok = 0;
tot = 0;
//int m = min((size-pos), 188);
m = size - pos;
d = (int) (m / 188);
r = m % 188;
m = d * 188;
m = (m ? m : r);
pfds[0].fd = fd;
pfds[0].events = POLLIN | POLLPRI;
mp_msg(MSGT_DEMUX, MSGL_DBG2, "DEVICE: %d, DVR: %d, PIPE: %d <-> %d\n", fd, priv->dvr_fd, priv->input, priv->output);
poll(pfds, 1, 500);
if((rk = read(fd, &buffer[pos], m)) > 0)
pos += rk;
}
return pos;
}
dvb_history_t *dvb_step_channel(dvb_priv_t *priv, int dir, dvb_history_t *h)
{
//int new_freq, new_srate, new_diseqc, new_tone, new_vpid, new_apid;
//char new_pol;
int new_current;
dvb_channel_t *next;
dvb_channels_list *list;
if(priv == NULL)
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_step_channel: PRIV NULL PTR, quit\n");
return 0;
}
list = priv->list;
if(list == NULL)
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_step_channel: LIST NULL PTR, quit\n");
return 0;
}
mp_msg(MSGT_DEMUX, MSGL_V, "DVB_STEP_CHANNEL dir %d\n", dir);
if(dir == DVB_CHANNEL_HIGHER)
{
if(list->current == list->NUM_CHANNELS)
return 0;
new_current = list->current + 1;
next = &(list->channels[new_current]);
}
else
{
if(list->current == 0)
return 0;
new_current = list->current - 1;
next = &(list->channels[new_current]);
}
demux_stop(priv->demux_fd[0]);
demux_stop(priv->demux_fd[1]);
h->prev = list->current;
h->next = new_current;
list->current = new_current;
return h;
}
extern char *get_path(char *);
dvb_channels_list *list_ptr = NULL;
int dvb_streaming_start(stream_t *stream)
{
int pids[MAX_CHANNELS];
int pestypes[MAX_CHANNELS];
int npids, i;
char *filename, type[80];
unsigned long freq = 0;
char pol = 0;
unsigned long srate = 0;
int diseqc = 0, old_diseqc = 0;
int tone = -1;
dvb_priv_t *priv;
dvb_channel_t *channel = NULL;
fe_spectral_inversion_t specInv = INVERSION_AUTO;
fe_modulation_t modulation = CONSTELLATION_DEFAULT;
fe_transmit_mode_t TransmissionMode = TRANSMISSION_MODE_DEFAULT;
fe_bandwidth_t bandWidth = BANDWIDTH_DEFAULT;
fe_guard_interval_t guardInterval = GUARD_INTERVAL_DEFAULT;
fe_code_rate_t HP_CodeRate = HP_CODERATE_DEFAULT;
stream->priv = (dvb_priv_t*) malloc(sizeof(dvb_priv_t));
if(stream->priv == NULL)
return 0;
priv = (dvb_priv_t*) stream->priv;
if(!strncmp(dvbin_param_type, "CBL", 3))
strncpy(type, "CBL", 3);
else if(!strncmp(dvbin_param_type, "TER", 3))
strncpy(type, "TER", 3);
else
strncpy(type, "SAT", 3);
filename = get_path("channels.conf");
if(list_ptr == NULL)
{
if(filename)
{
if((list_ptr = dvb_get_channels(filename, type)) == NULL)
mp_msg(MSGT_DEMUX, MSGL_WARN, "EMPTY CHANNELS LIST!\n");
else
{
priv->list = list_ptr;
priv->list->current = 0;
}
}
else
{
list_ptr = NULL;
mp_msg(MSGT_DEMUX, MSGL_WARN, "NO CHANNELS FILE FOUND!\n");
}
}
mp_msg(MSGT_DEMUX, MSGL_INFO, "code taken from dvbstream for mplayer v0.4pre1 - (C) Dave Chapman 2001\n");
mp_msg(MSGT_DEMUX, MSGL_INFO, "Released under the GPL.\n");
mp_msg(MSGT_DEMUX, MSGL_INFO, "Latest version available from http://www.linuxstb.org/\n");
mp_msg(MSGT_DEMUX, MSGL_V, "ON: %d, CARD: %d, FREQ: %d, SRATE: %d, POL: %s, VID: %d, AID: %d\n", dvbin_param_on,
dvbin_param_card, dvbin_param_freq, dvbin_param_srate, dvbin_param_pol, dvbin_param_vid, dvbin_param_aid);
npids = 0;
if((dvb_prev_next.next > -1) && (dvb_prev_next.prev > -1) && (list_ptr != NULL)) //We are after a channel stepping
{
list_ptr->current = dvb_prev_next.next;
channel = &(list_ptr->channels[dvb_prev_next.next]);
mp_msg(MSGT_DEMUX, MSGL_V, "PROGRAM NUMBER %d: name=%s, vid=%d, aid=%d, freq=%lu, srate=%lu, pol=%c, diseqc: %d, tone: %d\n", dvb_prev_next.next,
channel->name, channel->vpid, channel->apid1,
channel->freq, channel->srate, channel->pol, channel->diseqc, channel->tone);
if((dvb_prev_next.prev >= 0) && (dvb_prev_next.prev < list_ptr->NUM_CHANNELS))
{
dvb_channel_t *tmp = &(list_ptr->channels[dvb_prev_next.prev]);
old_diseqc = tmp->diseqc;
}
}
else if(list_ptr != NULL && strlen(dvbin_param_prog))
{
i = 0;
while((channel == NULL) && i < list_ptr->NUM_CHANNELS)
{
if(! strcmp(list_ptr->channels[i].name, dvbin_param_prog))
channel = &(list_ptr->channels[i]);
i++;
}
if(channel != NULL)
{
list_ptr->current = i-1;
mp_msg(MSGT_DEMUX, MSGL_V, "PROGRAM NUMBER %d: name=%s, vid=%d, aid=%d, freq=%lu, srate=%lu, pol=%c, diseqc: %d, tone: %d\n", i-1,
channel->name, channel->vpid, channel->apid1,
channel->freq, channel->srate, channel->pol, channel->diseqc, channel->tone);
}
}
if(dvbin_param_vid > 0)
{
pids[npids] = priv->channel.vpid = dvbin_param_vid;
}
else if(channel != NULL)
{
pids[npids] = priv->channel.vpid = channel->vpid;
}
pestypes[npids] = DMX_PES_VIDEO;
npids++;
if(dvbin_param_aid > 0)
{
pids[npids] = priv->channel.apid1 = dvbin_param_aid;
}
else if(channel != NULL)
{
pids[npids] = priv->channel.vpid = channel->apid1;
}
pestypes[npids] = DMX_PES_AUDIO;
npids++;
if(dvbin_param_freq)
freq = dvbin_param_freq * 1000UL;
else if(channel != NULL)
freq = channel->freq;
if(dvbin_param_srate)
srate = dvbin_param_srate * 1000UL;
else if(channel != NULL)
srate = channel->srate;
if((1<= dvbin_param_diseqc) && (dvbin_param_diseqc <= 4))
diseqc = dvbin_param_diseqc;
else
if(channel != NULL)
if(channel->diseqc != old_diseqc)
diseqc = channel->diseqc;
else
diseqc = 0;
else
diseqc = 0;
mp_msg(MSGT_DEMUX, MSGL_INFO, "DISEQC: %d\n", diseqc);
if((dvbin_param_tone == 0) || (dvbin_param_tone == 1))
tone = dvbin_param_tone;
else
if(channel != NULL)
tone = channel->tone;
else
tone = -1;
if(! strcmp(dvbin_param_pol, "V")) pol = 'V';
else if(! strcmp(dvbin_param_pol, "H")) pol = 'H';
else if(channel != NULL) pol = channel->pol;
else pol='V';
pol = toupper(pol);
if(!strcmp(dvbin_param_inv, "INVERSION_ON"))
specInv = INVERSION_ON;
else if(!strcmp(dvbin_param_inv, "INVERSION_OFF"))
specInv = INVERSION_OFF;
else if(!strcmp(dvbin_param_inv, "INVERSION_AUTO"))
specInv = INVERSION_AUTO;
else if(channel != NULL)
specInv = channel->inv;
else
specInv = INVERSION_AUTO;
if(dvbin_param_mod)
{
switch(dvbin_param_mod)
{
case 16: modulation=QAM_16; break;
case 32: modulation=QAM_32; break;
case 64: modulation=QAM_64; break;
case 128: modulation=QAM_128; break;
case 256: modulation=QAM_256; break;
default:
mp_msg(MSGT_DEMUX, MSGL_ERR, "Invalid QAM rate: %s\n", dvbin_param_mod);
modulation=CONSTELLATION_DEFAULT;
}
}
else if(channel != NULL)
modulation = channel->mod;
else
modulation=CONSTELLATION_DEFAULT;
if(dvbin_param_gi)
{
switch(dvbin_param_gi)
{
case 32: guardInterval=GUARD_INTERVAL_1_32; break;
case 16: guardInterval=GUARD_INTERVAL_1_16; break;
case 8: guardInterval=GUARD_INTERVAL_1_8; break;
case 4: guardInterval=GUARD_INTERVAL_1_4; break;
default:
mp_msg(MSGT_DEMUX, MSGL_ERR, "Invalid Guard Interval: %s\n", dvbin_param_gi);
guardInterval=GUARD_INTERVAL_DEFAULT;
}
}
else if(channel != NULL)
guardInterval = channel->gi;
else
guardInterval=GUARD_INTERVAL_DEFAULT;
if(dvbin_param_tm)
{
switch(dvbin_param_tm)
{
case 8: TransmissionMode=TRANSMISSION_MODE_8K; break;
case 2: TransmissionMode=TRANSMISSION_MODE_2K; break;
default:
TransmissionMode=TRANSMISSION_MODE_DEFAULT;
mp_msg(MSGT_DEMUX, MSGL_ERR, "Invalid Transmission Mode: %s\n", dvbin_param_tm);
}
}
else if(channel != NULL)
TransmissionMode = channel->trans;
else
TransmissionMode=TRANSMISSION_MODE_DEFAULT;
if(dvbin_param_bw)
{
switch(dvbin_param_bw)
{
case 8: bandWidth=BANDWIDTH_8_MHZ; break;
case 7: bandWidth=BANDWIDTH_7_MHZ; break;
case 6: bandWidth=BANDWIDTH_6_MHZ; break;
default:
mp_msg(MSGT_DEMUX, MSGL_ERR, "Invalid DVB-T bandwidth: %s\n", dvbin_param_bw);
bandWidth=BANDWIDTH_DEFAULT;
}
}
else if(channel != NULL)
bandWidth = channel->bw;
else
bandWidth=BANDWIDTH_DEFAULT;
if(dvbin_param_cr)
{
switch(dvbin_param_cr)
{
case -1: HP_CodeRate=FEC_AUTO; break;
case 12: HP_CodeRate=FEC_1_2; break;
case 23: HP_CodeRate=FEC_2_3; break;
case 34: HP_CodeRate=FEC_3_4; break;
case 56: HP_CodeRate=FEC_5_6; break;
case 78: HP_CodeRate=FEC_7_8; break;
default:
mp_msg(MSGT_DEMUX, MSGL_ERR, "Invalid Code Rate: %s\n", dvbin_param_cr);
HP_CodeRate=HP_CODERATE_DEFAULT;
}
}
else if(channel != NULL)
HP_CodeRate = channel->cr;
else
HP_CodeRate=HP_CODERATE_DEFAULT;
card = dvbin_param_card - 1;
if((card < 0) || (card > 4))
card = 0;
dvbin_param_on = 1;
mp_msg(MSGT_DEMUX, MSGL_V, "CARD: %d, FREQ: %d, POL: %c, SRATE: %d, DISEQC: %d, TONE: %d, VPID: %d, APID: %d\n", card, freq, pol, srate, diseqc, tone, pids[0], pids[1]);
priv->channel.freq = freq;
priv->channel.srate = srate;
priv->channel.diseqc = diseqc;
priv->channel.pol = pol;
priv->channel.tone = tone;
priv->channel.inv = specInv;
priv->channel.mod = modulation;
priv->channel.gi = guardInterval;
priv->channel.trans = TransmissionMode;
priv->channel.bw = bandWidth;
priv->channel.cr = HP_CodeRate;
if(freq && pol && srate)
if (! dvb_tune(priv, freq, pol, srate, diseqc, tone, specInv, modulation, guardInterval, TransmissionMode, bandWidth, HP_CodeRate))
return 0;
for (i=0; i < npids; i++)
{
if((priv->demux_fd[i] = open(demuxdev[card], O_RDWR)) < 0)
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DEMUX %i: ", i);
return -1;
}
}
if((priv->dvr_fd = open(dvrdev[card], O_RDONLY| O_NONBLOCK)) < 0)
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "DVR DEVICE: ");
return -1;
}
/* Now we set the filters */
for (i=0; i< npids; i++)
{
set_ts_filt(priv->demux_fd[i], pids[i], pestypes[i]);
//make_nonblock(fd[i]);
}
stream->fd = priv->dvr_fd;
dvbin_is_active = 1;
mp_msg(MSGT_DEMUX, MSGL_DBG2, "ESCO da dvb_streaming_start(s)\n");
return 1;
}
int dvbin_close(dvb_priv_t *priv)
{
//close(priv->dvr_fd);
close(priv->demux_fd[0]);
close(priv->demux_fd[1]);
}
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