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mpv/stream/stream_dvb.c

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/*
dvbstream
(C) Dave Chapman <dave@dchapman.com> 2001, 2002.
Original authors: Nico, probably Arpi
Some code based on dvbstream, 0.4.3-pre3 (CVS checkout),
http://sourceforge.net/projects/dvbtools/
Modified for use with MPlayer, for details see the changelog at
http://svn.mplayerhq.hu/mplayer/trunk/
$Id$
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <poll.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <libavutil/avstring.h>
#include "osdep/io.h"
#include "stream.h"
#include "options/m_option.h"
#include "options/path.h"
#include "dvbin.h"
#include "dvb_tune.h"
#define MAX_CHANNELS 8
#define CHANNEL_LINE_LEN 256
#define min(a, b) ((a) <= (b) ? (a) : (b))
//TODO: CAMBIARE list_ptr e da globale a per_priv
static dvb_priv_t stream_defaults = {
.cfg_prog = "",
.cfg_card = 1,
.cfg_timeout = 30,
};
#define OPT_BASE_STRUCT dvb_priv_t
/// URL definition
static const m_option_t stream_params[] = {
OPT_STRING("prog", cfg_prog, 0),
OPT_INTRANGE("card", cfg_card, 0, 1, 4),
{0}
};
const m_option_t dvbin_opts_conf[] = {
{"prog", &stream_defaults.cfg_prog, CONF_TYPE_STRING, 0, 0 ,0, NULL},
{"card", &stream_defaults.cfg_card, CONF_TYPE_INT, M_OPT_RANGE, 1, 4, NULL},
{"timeout", &stream_defaults.cfg_timeout, CONF_TYPE_INT, M_OPT_RANGE, 1, 30, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
static dvb_channels_list *dvb_get_channels(struct mp_log *log, char *filename, int type)
{
dvb_channels_list *list;
FILE *f;
char line[CHANNEL_LINE_LEN], *colon;
if (!filename)
return NULL;
int fields, cnt, pcnt, k;
int has8192, has0;
dvb_channel_t *ptr, *tmp, chn;
char tmp_lcr[256], tmp_hier[256], inv[256], bw[256], cr[256], mod[256], transm[256], gi[256], vpid_str[256], apid_str[256];
const char *cbl_conf = "%d:%255[^:]:%d:%255[^:]:%255[^:]:%255[^:]:%255[^:]\n";
const char *sat_conf = "%d:%c:%d:%d:%255[^:]:%255[^:]\n";
const char *ter_conf = "%d:%255[^:]:%255[^:]:%255[^:]:%255[^:]:%255[^:]:%255[^:]:%255[^:]:%255[^:]:%255[^:]:%255[^:]\n";
const char *atsc_conf = "%d:%255[^:]:%255[^:]:%255[^:]\n";
mp_verbose(log, "CONFIG_READ FILE: %s, type: %d\n", filename, type);
if((f=fopen(filename, "r"))==NULL)
{
mp_fatal(log, "CAN'T READ CONFIG FILE %s\n", filename);
return NULL;
}
list = malloc(sizeof(dvb_channels_list));
if(list == NULL)
{
fclose(f);
mp_verbose(log, "DVB_GET_CHANNELS: couldn't malloc enough memory\n");
return NULL;
}
ptr = &chn;
list->NUM_CHANNELS = 0;
list->channels = NULL;
while(! feof(f))
{
if( fgets(line, CHANNEL_LINE_LEN, f) == NULL )
continue;
if((line[0] == '#') || (strlen(line) == 0))
continue;
colon = strchr(line, ':');
if(colon)
{
k = colon - line;
if(!k)
continue;
ptr->name = malloc(k+1);
if(! ptr->name)
continue;
av_strlcpy(ptr->name, line, k+1);
}
else
continue;
k++;
apid_str[0] = vpid_str[0] = 0;
ptr->pids_cnt = 0;
ptr->freq = 0;
if(type == TUNER_TER)
{
fields = sscanf(&line[k], ter_conf,
&ptr->freq, inv, bw, cr, tmp_lcr, mod,
transm, gi, tmp_hier, vpid_str, apid_str);
mp_verbose(log, "TER, NUM: %d, NUM_FIELDS: %d, NAME: %s, FREQ: %d",
list->NUM_CHANNELS, fields, ptr->name, ptr->freq);
}
else if(type == TUNER_CBL)
{
fields = sscanf(&line[k], cbl_conf,
&ptr->freq, inv, &ptr->srate,
cr, mod, vpid_str, apid_str);
mp_verbose(log, "CBL, NUM: %d, NUM_FIELDS: %d, NAME: %s, FREQ: %d, SRATE: %d",
list->NUM_CHANNELS, fields, ptr->name, ptr->freq, ptr->srate);
}
#ifdef DVB_ATSC
else if(type == TUNER_ATSC)
{
fields = sscanf(&line[k], atsc_conf,
&ptr->freq, mod, vpid_str, apid_str);
mp_verbose(log, "ATSC, NUM: %d, NUM_FIELDS: %d, NAME: %s, FREQ: %d\n",
list->NUM_CHANNELS, fields, ptr->name, ptr->freq);
}
#endif
else //SATELLITE
{
fields = sscanf(&line[k], sat_conf,
&ptr->freq, &ptr->pol, &ptr->diseqc, &ptr->srate, vpid_str, apid_str);
ptr->pol = toupper(ptr->pol);
ptr->freq *= 1000UL;
ptr->srate *= 1000UL;
ptr->tone = -1;
ptr->inv = INVERSION_AUTO;
ptr->cr = FEC_AUTO;
if((ptr->diseqc > 4) || (ptr->diseqc < 0))
continue;
if(ptr->diseqc > 0)
ptr->diseqc--;
mp_verbose(log, "SAT, NUM: %d, NUM_FIELDS: %d, NAME: %s, FREQ: %d, SRATE: %d, POL: %c, DISEQC: %d",
list->NUM_CHANNELS, fields, ptr->name, ptr->freq, ptr->srate, ptr->pol, ptr->diseqc);
}
if(vpid_str[0])
{
pcnt = sscanf(vpid_str, "%d+%d+%d+%d+%d+%d+%d", &ptr->pids[0], &ptr->pids[1], &ptr->pids[2], &ptr->pids[3],
&ptr->pids[4], &ptr->pids[5], &ptr->pids[6]);
if(pcnt > 0)
{
ptr->pids_cnt = pcnt;
fields++;
}
}
if(apid_str[0])
{
cnt = ptr->pids_cnt;
pcnt = sscanf(apid_str, "%d+%d+%d+%d+%d+%d+%d+%d", &ptr->pids[cnt], &ptr->pids[cnt+1], &ptr->pids[cnt+2],
&ptr->pids[cnt+3], &ptr->pids[cnt+4], &ptr->pids[cnt+5], &ptr->pids[cnt+6], &ptr->pids[cnt+7]);
if(pcnt > 0)
{
ptr->pids_cnt += pcnt;
fields++;
}
}
if((fields < 2) || (ptr->pids_cnt <= 0) || (ptr->freq == 0) || (strlen(ptr->name) == 0))
continue;
has8192 = has0 = 0;
for(cnt = 0; cnt < ptr->pids_cnt; cnt++)
{
if(ptr->pids[cnt] == 8192)
has8192 = 1;
if(ptr->pids[cnt] == 0)
has0 = 1;
}
if(has8192)
{
ptr->pids[0] = 8192;
ptr->pids_cnt = 1;
}
else if(! has0)
{
ptr->pids[ptr->pids_cnt] = 0; //PID 0 is the PAT
ptr->pids_cnt++;
}
mp_verbose(log, " PIDS: ");
for(cnt = 0; cnt < ptr->pids_cnt; cnt++)
mp_verbose(log, " %d ", ptr->pids[cnt]);
mp_verbose(log, "\n");
if((type == TUNER_TER) || (type == TUNER_CBL))
{
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(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;
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;
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((type == TUNER_TER) || (type == TUNER_CBL) || (type == TUNER_ATSC))
{
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;
#ifdef DVB_ATSC
else if(! strcmp(mod, "VSB_8") || ! strcmp(mod, "8VSB"))
ptr->mod = VSB_8;
else if(! strcmp(mod, "VSB_16") || !strcmp(mod, "16VSB"))
ptr->mod = VSB_16;
else if(! strcmp(mod, "QAM_AUTO"))
ptr->mod = QAM_AUTO;
#endif
}
if(type == TUNER_TER)
{
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(transm, "TRANSMISSION_MODE_2K"))
ptr->trans = TRANSMISSION_MODE_2K;
else if(! strcmp(transm, "TRANSMISSION_MODE_8K"))
ptr->trans = TRANSMISSION_MODE_8K;
else if(! strcmp(transm, "TRANSMISSION_MODE_AUTO"))
ptr->trans = TRANSMISSION_MODE_AUTO;
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 if(! strcmp(gi, "GUARD_INTERVAL_1_4"))
ptr->gi = GUARD_INTERVAL_1_4;
else ptr->gi = GUARD_INTERVAL_AUTO;
if(! strcmp(tmp_lcr, "FEC_1_2"))
ptr->cr_lp =FEC_1_2;
else if(! strcmp(tmp_lcr, "FEC_2_3"))
ptr->cr_lp =FEC_2_3;
else if(! strcmp(tmp_lcr, "FEC_3_4"))
ptr->cr_lp =FEC_3_4;
else if(! strcmp(tmp_lcr, "FEC_4_5"))
ptr->cr_lp =FEC_4_5;
else if(! strcmp(tmp_lcr, "FEC_6_7"))
ptr->cr_lp =FEC_6_7;
else if(! strcmp(tmp_lcr, "FEC_8_9"))
ptr->cr_lp =FEC_8_9;
else if(! strcmp(tmp_lcr, "FEC_5_6"))
ptr->cr_lp =FEC_5_6;
else if(! strcmp(tmp_lcr, "FEC_7_8"))
ptr->cr_lp =FEC_7_8;
else if(! strcmp(tmp_lcr, "FEC_NONE"))
ptr->cr_lp =FEC_NONE;
else ptr->cr_lp =FEC_AUTO;
if(! strcmp(tmp_hier, "HIERARCHY_1"))
ptr->hier = HIERARCHY_1;
else if(! strcmp(tmp_hier, "HIERARCHY_2"))
ptr->hier = HIERARCHY_2;
else if(! strcmp(tmp_hier, "HIERARCHY_4"))
ptr->hier = HIERARCHY_4;
else if(! strcmp(tmp_hier, "HIERARCHY_AUTO"))
ptr->hier = HIERARCHY_AUTO;
else ptr->hier = HIERARCHY_NONE;
}
tmp = realloc(list->channels, sizeof(dvb_channel_t) * (list->NUM_CHANNELS + 1));
if(tmp == NULL)
break;
list->channels = tmp;
memcpy(&(list->channels[list->NUM_CHANNELS]), ptr, sizeof(dvb_channel_t));
list->NUM_CHANNELS++;
if(sizeof(dvb_channel_t) * list->NUM_CHANNELS >= 1024*1024)
{
mp_verbose(log, "dvbin.c, > 1MB allocated for channels struct, dropping the rest of the file\r\n");
break;
}
}
fclose(f);
if(list->NUM_CHANNELS == 0)
{
free(list->channels);
free(list);
return NULL;
}
list->current = 0;
return list;
}
void dvb_free_config(dvb_config_t *config)
{
int i, j;
for(i=0; i<config->count; i++)
{
free(config->cards[i].name);
if(!config->cards[i].list)
continue;
if(config->cards[i].list->channels)
{
for(j=0; j<config->cards[i].list->NUM_CHANNELS; j++)
free(config->cards[i].list->channels[j].name);
free(config->cards[i].list->channels);
}
free(config->cards[i].list);
}
free(config);
}
static int dvb_streaming_read(stream_t *stream, char *buffer, int size)
{
struct pollfd pfds[1];
int pos=0, tries, rk, fd;
dvb_priv_t *priv = (dvb_priv_t *) stream->priv;
MP_TRACE(stream, "dvb_streaming_read(%d)\n", size);
tries = priv->retry + 1;
fd = priv->fd;
while(pos < size)
{
pfds[0].fd = fd;
pfds[0].events = POLLIN | POLLPRI;
rk = size - pos;
if(poll(pfds, 1, 500) <= 0)
{
MP_ERR(stream, "dvb_streaming_read, attempt N. %d failed with errno %d when reading %d bytes\n", tries, errno, size-pos);
errno = 0;
if(--tries > 0)
continue;
else
break;
}
if((rk = read(fd, &buffer[pos], rk)) > 0)
{
pos += rk;
MP_TRACE(stream, "ret (%d) bytes\n", pos);
}
}
if(! pos)
MP_ERR(stream, "dvb_streaming_read, return %d bytes\n", pos);
return pos;
}
static void dvbin_close(stream_t *stream);
int dvb_set_channel(stream_t *stream, int card, int n)
{
dvb_channels_list *new_list;
dvb_channel_t *channel;
dvb_priv_t *priv = stream->priv;
char buf[4096];
dvb_config_t *conf = (dvb_config_t *) priv->config;
int devno;
int i;
if((card < 0) || (card > conf->count))
{
MP_ERR(stream, "dvb_set_channel: INVALID CARD NUMBER: %d vs %d, abort\n", card, conf->count);
return 0;
}
devno = conf->cards[card].devno;
new_list = conf->cards[card].list;
if((n > new_list->NUM_CHANNELS) || (n < 0))
{
MP_ERR(stream, "dvb_set_channel: INVALID CHANNEL NUMBER: %d, for card %d, abort\n", n, card);
return 0;
}
channel = &(new_list->channels[n]);
if(priv->is_on) //the fds are already open and we have to stop the demuxers
{
for(i = 0; i < priv->demux_fds_cnt; i++)
dvb_demux_stop(priv->demux_fds[i]);
priv->retry = 0;
while(dvb_streaming_read(stream, buf, 4096) > 0); //empty both the stream's and driver's buffer
if(priv->card != card)
{
dvbin_close(stream);
if(! dvb_open_devices(priv, devno, channel->pids_cnt))
{
MP_ERR(stream, "DVB_SET_CHANNEL, COULDN'T OPEN DEVICES OF CARD: %d, EXIT\n", card);
return 0;
}
}
else //close all demux_fds with pos > pids required for the new channel or open other demux_fds if we have too few
{
if(! dvb_fix_demuxes(priv, channel->pids_cnt))
return 0;
}
}
else
{
if(! dvb_open_devices(priv, devno, channel->pids_cnt))
{
MP_ERR(stream, "DVB_SET_CHANNEL2, COULDN'T OPEN DEVICES OF CARD: %d, EXIT\n", card);
return 0;
}
}
priv->card = card;
priv->list = new_list;
priv->retry = 5;
new_list->current = n;
priv->fd = priv->dvr_fd;
MP_VERBOSE(stream, "DVB_SET_CHANNEL: new channel name=%s, card: %d, channel %d\n", channel->name, card, n);
stream->buf_pos = stream->buf_len = 0;
stream->pos = 0;
if(channel->freq != priv->last_freq)
if (! dvb_tune(priv, channel->freq, channel->pol, channel->srate, channel->diseqc, channel->tone,
channel->inv, channel->mod, channel->gi, channel->trans, channel->bw, channel->cr, channel->cr_lp, channel->hier, priv->cfg_timeout))
return 0;
priv->last_freq = channel->freq;
priv->is_on = 1;
//sets demux filters and restart the stream
for(i = 0; i < channel->pids_cnt; i++)
{
if(! dvb_set_ts_filt(priv,priv->demux_fds[i], channel->pids[i], DMX_PES_OTHER))
return 0;
}
return 1;
}
int dvb_step_channel(stream_t *stream, int dir)
{
int new_current;
dvb_channels_list *list;
dvb_priv_t *priv = stream->priv;
MP_VERBOSE(stream, "DVB_STEP_CHANNEL dir %d\n", dir);
if(priv == NULL)
{
MP_ERR(stream, "dvb_step_channel: NULL priv_ptr, quit\n");
return 0;
}
list = priv->list;
if(list == NULL)
{
MP_ERR(stream, "dvb_step_channel: NULL list_ptr, quit\n");
return 0;
}
new_current = (list->NUM_CHANNELS + list->current + (dir == DVB_CHANNEL_HIGHER ? 1 : -1)) % list->NUM_CHANNELS;
return dvb_set_channel(stream, priv->card, new_current);
}
static void dvbin_close(stream_t *stream)
{
int i;
dvb_priv_t *priv = (dvb_priv_t *) stream->priv;
for(i = priv->demux_fds_cnt-1; i >= 0; i--)
{
priv->demux_fds_cnt--;
MP_VERBOSE(stream, "DVBIN_CLOSE, close(%d), fd=%d, COUNT=%d\n", i, priv->demux_fds[i], priv->demux_fds_cnt);
close(priv->demux_fds[i]);
}
close(priv->dvr_fd);
close(priv->fe_fd);
priv->fe_fd = priv->sec_fd = priv->dvr_fd = -1;
priv->is_on = 0;
dvb_free_config(priv->config);
}
static int dvb_streaming_start(stream_t *stream, int tuner_type, char *progname)
{
int i;
dvb_channel_t *channel = NULL;
dvb_priv_t *priv = stream->priv;
dvb_priv_t *opts = priv;
MP_VERBOSE(stream, "\r\ndvb_streaming_start(PROG: %s, CARD: %d)\r\n",
opts->cfg_prog, opts->cfg_card);
priv->is_on = 0;
i = 0;
while((channel == NULL) && i < priv->list->NUM_CHANNELS)
{
if(! strcmp(priv->list->channels[i].name, progname))
channel = &(priv->list->channels[i]);
i++;
}
if(channel != NULL)
{
priv->list->current = i-1;
MP_VERBOSE(stream, "PROGRAM NUMBER %d: name=%s, freq=%u\n", i-1, channel->name, channel->freq);
}
else
{
MP_ERR(stream, "\n\nDVBIN: no such channel \"%s\"\n\n", progname);
return 0;
}
if(!dvb_set_channel(stream, priv->card, priv->list->current))
{
MP_ERR(stream, "ERROR, COULDN'T SET CHANNEL %i: ", priv->list->current);
dvbin_close(stream);
return 0;
}
MP_VERBOSE(stream, "SUCCESSFUL EXIT from dvb_streaming_start\n");
return 1;
}
static int dvb_open(stream_t *stream, int mode)
{
// I don't force the file format bacause, although it's almost always TS,
// there are some providers that stream an IP multicast with M$ Mpeg4 inside
dvb_priv_t *priv = stream->priv;
priv->log = stream->log;
dvb_priv_t *p = priv;
char *progname;
int tuner_type = 0, i;
if(mode != STREAM_READ)
return STREAM_UNSUPPORTED;
priv->fe_fd = priv->sec_fd = priv->dvr_fd = -1;
priv->config = dvb_get_config(stream);
if(priv->config == NULL)
{
MP_ERR(stream, "DVB CONFIGURATION IS EMPTY, exit\n");
return STREAM_ERROR;
}
priv->card = -1;
for(i=0; i<priv->config->count; i++)
{
if(priv->config->cards[i].devno+1 == p->cfg_card)
{
priv->card = i;
break;
}
}
if(priv->card == -1)
{
MP_ERR(stream, "NO CONFIGURATION FOUND FOR CARD N. %d, exit\n", p->cfg_card);
return STREAM_ERROR;
}
priv->timeout = p->cfg_timeout;
tuner_type = priv->config->cards[priv->card].type;
if(tuner_type == 0)
{
MP_VERBOSE(stream, "OPEN_DVB: UNKNOWN OR UNDETECTABLE TUNER TYPE, EXIT\n");
return STREAM_ERROR;
}
priv->tuner_type = tuner_type;
MP_VERBOSE(stream, "OPEN_DVB: prog=%s, card=%d, type=%d\n",
p->cfg_prog, priv->card+1, priv->tuner_type);
priv->list = priv->config->cards[priv->card].list;
if((! strcmp(p->cfg_prog, "")) && (priv->list != NULL))
progname = priv->list->channels[0].name;
else
progname = p->cfg_prog;
if(! dvb_streaming_start(stream, tuner_type, progname))
{
return STREAM_ERROR;
}
stream->type = STREAMTYPE_DVB;
stream->fill_buffer = dvb_streaming_read;
stream->close = dvbin_close;
stream->demuxer = "lavf";
stream->lavf_type = "mpegts";
return STREAM_OK;
}
#define MAX_CARDS 4
dvb_config_t *dvb_get_config(stream_t *stream)
{
struct mp_log *log = stream->log;
struct mpv_global *global = stream->global;
int i, fd, type, size;
char filename[30], *conf_file, *name;
dvb_channels_list *list;
dvb_card_config_t *cards = NULL, *tmp;
dvb_config_t *conf = NULL;
conf = malloc(sizeof(dvb_config_t));
if(conf == NULL)
return NULL;
conf->priv = NULL;
conf->count = 0;
conf->cards = NULL;
for(i=0; i<MAX_CARDS; i++)
{
snprintf(filename, sizeof(filename), "/dev/dvb/adapter%d/frontend0", i);
fd = open(filename, O_RDONLY|O_NONBLOCK|O_CLOEXEC);
if(fd < 0)
{
mp_verbose(log, "DVB_CONFIG, can't open device %s, skipping\n", filename);
continue;
}
type = dvb_get_tuner_type(fd, log);
close(fd);
if(type != TUNER_SAT && type != TUNER_TER && type != TUNER_CBL && type != TUNER_ATSC)
{
mp_verbose(log, "DVB_CONFIG, can't detect tuner type of card %d, skipping\n", i);
continue;
}
void *talloc_ctx = talloc_new(NULL);
conf_file = mp_find_user_config_file(talloc_ctx, global, "channels.conf");
switch(type) {
case TUNER_TER:
conf_file = mp_find_user_config_file(talloc_ctx, global, "channels.conf.ter");
break;
case TUNER_CBL:
conf_file = mp_find_user_config_file(talloc_ctx, global, "channels.conf.cbl");
break;
case TUNER_SAT:
conf_file = mp_find_user_config_file(talloc_ctx, global, "channels.conf.sat");
break;
case TUNER_ATSC:
conf_file = mp_find_user_config_file(talloc_ctx, global, "channels.conf.atsc");
break;
}
if(conf_file && (access(conf_file, F_OK | R_OK) != 0)) {
conf_file = mp_find_user_config_file(talloc_ctx, global, "channels.conf");
if(conf_file && (access(conf_file, F_OK | R_OK) != 0)) {
conf_file = mp_find_global_config_file(talloc_ctx, global, "channels.conf");
}
}
list = dvb_get_channels(log, conf_file, type);
talloc_free(talloc_ctx);
if(list == NULL)
continue;
size = sizeof(dvb_card_config_t) * (conf->count + 1);
tmp = realloc(conf->cards, size);
if(tmp == NULL)
{
fprintf(stderr, "DVB_CONFIG, can't realloc %d bytes, skipping\n", size);
continue;
}
cards = tmp;
name = malloc(20);
if(name==NULL)
{
fprintf(stderr, "DVB_CONFIG, can't realloc 20 bytes, skipping\n");
continue;
}
conf->cards = cards;
conf->cards[conf->count].devno = i;
conf->cards[conf->count].list = list;
conf->cards[conf->count].type = type;
snprintf(name, 20, "DVB-%c card n. %d", type==TUNER_TER ? 'T' : (type==TUNER_CBL ? 'C' : 'S'), conf->count+1);
conf->cards[conf->count].name = name;
conf->count++;
}
if(conf->count == 0)
{
free(conf);
conf = NULL;
}
return conf;
}
const stream_info_t stream_info_dvb = {
.name = "dvbin",
.open = dvb_open,
.protocols = (const char*[]){ "dvb", NULL },
.priv_size = sizeof(dvb_priv_t),
.priv_defaults = &stream_defaults,
.options = stream_params,
.url_options = (const char*[]){
"hostname=prog",
"username=card",
NULL
},
};
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