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-rw-r--r--util/gnutv/gnutv.c365
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diff --git a/util/gnutv/gnutv.c b/util/gnutv/gnutv.c
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+/*
+ gnutv utility
+
+ Copyright (C) 2004, 2005 Manu Abraham <abraham.manu@gmail.com>
+ Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
+
+ 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.
+*/
+
+#include <stdio.h>
+#include <unistd.h>
+#include <limits.h>
+#include <string.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <pthread.h>
+#include <sys/poll.h>
+#include <libdvbapi/dvbdemux.h>
+#include <libdvbapi/dvbaudio.h>
+#include <libdvbsec/dvbsec_cfg.h>
+#include <libucsi/mpeg/section.h>
+#include "gnutv.h"
+#include "gnutv_dvb.h"
+#include "gnutv_ca.h"
+#include "gnutv_data.h"
+
+
+static void signal_handler(int _signal);
+
+static int quit_app = 0;
+
+void usage(void)
+{
+ static const char *_usage = "\n"
+ " gnutv: A digital tv utility\n"
+ " Copyright (C) 2004, 2005, 2006 Manu Abraham (manu@kromtek.com)\n"
+ " Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)\n\n"
+ " usage: gnutv <options> as follows:\n"
+ " -h help\n"
+ " -adapter <id> adapter to use (default 0)\n"
+ " -frontend <id> frontend to use (default 0)\n"
+ " -demux <id> demux to use (default 0)\n"
+ " -caslotnum <id> ca slot number to use (default 0)\n"
+ " -channels <filename> channels.conf file.\n"
+ " -secfile <filename> Optional sec.conf file.\n"
+ " -secid <secid> ID of the SEC configuration to use, one of:\n"
+ " * UNIVERSAL (default) - Europe, 10800 to 11800 MHz and 11600 to 12700 Mhz,\n"
+ " Dual LO, loband 9750, hiband 10600 MHz.\n"
+ " * DBS - Expressvu, North America, 12200 to 12700 MHz, Single LO, 11250 MHz.\n"
+ " * STANDARD - 10945 to 11450 Mhz, Single LO, 10000 Mhz.\n"
+ " * ENHANCED - Astra, 10700 to 11700 MHz, Single LO, 9750 MHz.\n"
+ " * C-BAND - Big Dish, 3700 to 4200 MHz, Single LO, 5150 Mhz.\n"
+ " * C-MULTI - Big Dish - Multipoint LNBf, 3700 to 4200 MHz,\n"
+ " Dual LO, H:5150MHz, V:5750MHz.\n"
+ " * One of the sec definitions from the secfile if supplied\n"
+ " -out decoder Output to hardware decoder (default)\n"
+ " decoderabypass Output to hardware decoder using audio bypass\n"
+ " dvr Output stream to dvr device\n"
+ " null Do not output anything\n"
+ " stdout Output to stdout\n"
+ " file <filename> Output stream to file\n"
+ " udp <address> <port> Output stream to address:port using udp\n"
+ " udpif <address> <port> <interface> Output stream to address:port using udp\n"
+ " forcing the specified interface\n"
+ " rtp <address> <port> Output stream to address:port using udp-rtp\n"
+ " rtpif <address> <port> <interface> Output stream to address:port using udp-rtp\n"
+ " forcing the specified interface\n"
+ " -timeout <secs> Number of seconds to output channel for\n"
+ " (0=>exit immediately after successful tuning, default is to output forever)\n"
+ " -cammenu Show the CAM menu\n"
+ " -nomoveca Do not attempt to move CA descriptors from stream to programme level\n"
+ " <channel name>\n";
+ fprintf(stderr, "%s\n", _usage);
+
+ exit(1);
+}
+
+int find_channel(struct dvbcfg_zapchannel *channel, void *private_data)
+{
+ struct dvbcfg_zapchannel *tmpchannel = private_data;
+
+ if (strcmp(channel->name, tmpchannel->name) == 0) {
+ memcpy(tmpchannel, channel, sizeof(struct dvbcfg_zapchannel));
+ return 1;
+ }
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int adapter_id = 0;
+ int frontend_id = 0;
+ int demux_id = 0;
+ int caslot_num = 0;
+ char *chanfile = "/etc/channels.conf";
+ char *secfile = NULL;
+ char *secid = NULL;
+ char *channel_name = NULL;
+ int output_type = OUTPUT_TYPE_DECODER;
+ char *outfile = NULL;
+ char *outhost = NULL;
+ char *outport = NULL;
+ char *outif = NULL;
+ struct addrinfo *outaddrs = NULL;
+ int timeout = -1;
+ int moveca = 1;
+ int cammenu = 0;
+ int argpos = 1;
+ struct gnutv_dvb_params gnutv_dvb_params;
+ struct gnutv_ca_params gnutv_ca_params;
+ int ffaudiofd = -1;
+ int usertp = 0;
+
+ while(argpos != argc) {
+ if (!strcmp(argv[argpos], "-h")) {
+ usage();
+ } else if (!strcmp(argv[argpos], "-adapter")) {
+ if ((argc - argpos) < 2)
+ usage();
+ if (sscanf(argv[argpos+1], "%i", &adapter_id) != 1)
+ usage();
+ argpos+=2;
+ } else if (!strcmp(argv[argpos], "-frontend")) {
+ if ((argc - argpos) < 2)
+ usage();
+ if (sscanf(argv[argpos+1], "%i", &frontend_id) != 1)
+ usage();
+ argpos+=2;
+ } else if (!strcmp(argv[argpos], "-demux")) {
+ if ((argc - argpos) < 2)
+ usage();
+ if (sscanf(argv[argpos+1], "%i", &demux_id) != 1)
+ usage();
+ argpos+=2;
+ } else if (!strcmp(argv[argpos], "-caslotnum")) {
+ if ((argc - argpos) < 2)
+ usage();
+ if (sscanf(argv[argpos+1], "%i", &caslot_num) != 1)
+ usage();
+ argpos+=2;
+ } else if (!strcmp(argv[argpos], "-channels")) {
+ if ((argc - argpos) < 2)
+ usage();
+ chanfile = argv[argpos+1];
+ argpos+=2;
+ } else if (!strcmp(argv[argpos], "-secfile")) {
+ if ((argc - argpos) < 2)
+ usage();
+ secfile = argv[argpos+1];
+ argpos+=2;
+ } else if (!strcmp(argv[argpos], "-secid")) {
+ if ((argc - argpos) < 2)
+ usage();
+ secid = argv[argpos+1];
+ argpos+=2;
+ } else if (!strcmp(argv[argpos], "-out")) {
+ if ((argc - argpos) < 2)
+ usage();
+ if (!strcmp(argv[argpos+1], "decoder")) {
+ output_type = OUTPUT_TYPE_DECODER;
+ } else if (!strcmp(argv[argpos+1], "decoderabypass")) {
+ output_type = OUTPUT_TYPE_DECODER_ABYPASS;
+ } else if (!strcmp(argv[argpos+1], "dvr")) {
+ output_type = OUTPUT_TYPE_DVR;
+ } else if (!strcmp(argv[argpos+1], "null")) {
+ output_type = OUTPUT_TYPE_NULL;
+ } else if (!strcmp(argv[argpos+1], "stdout")) {
+ output_type = OUTPUT_TYPE_STDOUT;
+ } else if (!strcmp(argv[argpos+1], "file")) {
+ output_type = OUTPUT_TYPE_FILE;
+ if ((argc - argpos) < 3)
+ usage();
+ outfile = argv[argpos+2];
+ argpos++;
+ } else if ((!strcmp(argv[argpos+1], "udp")) ||
+ (!strcmp(argv[argpos+1], "rtp"))) {
+ output_type = OUTPUT_TYPE_UDP;
+ if ((argc - argpos) < 4)
+ usage();
+
+ if (!strcmp(argv[argpos+1], "rtp"))
+ usertp = 1;
+ outhost = argv[argpos+2];
+ outport = argv[argpos+3];
+ argpos+=2;
+ } else if ((!strcmp(argv[argpos+1], "udpif")) ||
+ (!strcmp(argv[argpos+1], "rtpif"))) {
+ output_type = OUTPUT_TYPE_UDP;
+ if ((argc - argpos) < 5)
+ usage();
+
+ if (!strcmp(argv[argpos+1], "rtpif"))
+ usertp = 1;
+ outhost = argv[argpos+2];
+ outport = argv[argpos+3];
+ outif = argv[argpos+4];
+ argpos+=3;
+ } else {
+ usage();
+ }
+ argpos+=2;
+ } else if (!strcmp(argv[argpos], "-timeout")) {
+ if ((argc - argpos) < 2)
+ usage();
+ if (sscanf(argv[argpos+1], "%i", &timeout) != 1)
+ usage();
+ argpos+=2;
+ } else if (!strcmp(argv[argpos], "-nomoveca")) {
+ moveca = 0;
+ argpos++;
+ } else if (!strcmp(argv[argpos], "-cammenu")) {
+ cammenu = 1;
+ argpos++;
+ } else {
+ if ((argc - argpos) != 1)
+ usage();
+ channel_name = argv[argpos];
+ argpos++;
+ }
+ }
+
+ // the user didn't select anything!
+ if ((channel_name == NULL) && (!cammenu))
+ usage();
+
+ // resolve host/port
+ if ((outhost != NULL) && (outport != NULL)) {
+ int res;
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_DGRAM;
+ if ((res = getaddrinfo(outhost, outport, &hints, &outaddrs)) != 0) {
+ fprintf(stderr, "Unable to resolve requested address: %s\n", gai_strerror(res));
+ exit(1);
+ }
+ }
+
+ // setup any signals
+ signal(SIGINT, signal_handler);
+ signal(SIGPIPE, SIG_IGN);
+
+ // start the CA stuff
+ gnutv_ca_params.adapter_id = adapter_id;
+ gnutv_ca_params.caslot_num = caslot_num;
+ gnutv_ca_params.cammenu = cammenu;
+ gnutv_ca_params.moveca = moveca;
+ gnutv_ca_start(&gnutv_ca_params);
+
+ // frontend setup if a channel name was supplied
+ if ((!cammenu) && (channel_name != NULL)) {
+ // find the requested channel
+ if (strlen(channel_name) >= sizeof(gnutv_dvb_params.channel.name)) {
+ fprintf(stderr, "Channel name is too long %s\n", channel_name);
+ exit(1);
+ }
+ FILE *channel_file = fopen(chanfile, "r");
+ if (channel_file == NULL) {
+ fprintf(stderr, "Could open channel file %s\n", chanfile);
+ exit(1);
+ }
+ memcpy(gnutv_dvb_params.channel.name, channel_name, strlen(channel_name) + 1);
+ if (dvbcfg_zapchannel_parse(channel_file, find_channel, &gnutv_dvb_params.channel) != 1) {
+ fprintf(stderr, "Unable to find requested channel %s\n", channel_name);
+ exit(1);
+ }
+ fclose(channel_file);
+
+ // default SEC with a DVBS card
+ if ((secid == NULL) && (gnutv_dvb_params.channel.fe_type == DVBFE_TYPE_DVBS))
+ secid = "UNIVERSAL";
+
+ // look it up if one were supplied
+ gnutv_dvb_params.valid_sec = 0;
+ if (secid != NULL) {
+ if (dvbsec_cfg_find(secfile, secid,
+ &gnutv_dvb_params.sec)) {
+ fprintf(stderr, "Unable to find suitable sec/lnb configuration for channel\n");
+ exit(1);
+ }
+ gnutv_dvb_params.valid_sec = 1;
+ }
+
+ // open the frontend
+ gnutv_dvb_params.fe = dvbfe_open(adapter_id, frontend_id, 0);
+ if (gnutv_dvb_params.fe == NULL) {
+ fprintf(stderr, "Failed to open frontend\n");
+ exit(1);
+ }
+
+ // failover decoder to dvr output if decoder not available
+ if ((output_type == OUTPUT_TYPE_DECODER) ||
+ (output_type == OUTPUT_TYPE_DECODER_ABYPASS)) {
+ ffaudiofd = dvbaudio_open(adapter_id, 0);
+ if (ffaudiofd < 0) {
+ fprintf(stderr, "Cannot open decoder; defaulting to dvr output\n");
+ output_type = OUTPUT_TYPE_DVR;
+ }
+ }
+
+ // start the DVB stuff
+ gnutv_dvb_params.adapter_id = adapter_id;
+ gnutv_dvb_params.frontend_id = frontend_id;
+ gnutv_dvb_params.demux_id = demux_id;
+ gnutv_dvb_params.output_type = output_type;
+ gnutv_dvb_start(&gnutv_dvb_params);
+
+ // start the data stuff
+ gnutv_data_start(output_type, ffaudiofd, adapter_id, demux_id, outfile, outif, outaddrs, usertp);
+ }
+
+ // the UI
+ time_t start = 0;
+ while(!quit_app) {
+ if (gnutv_dvb_locked() && (start == 0))
+ start = time(NULL);
+
+ // the timeout
+ if ((timeout != -1) && (start != 0)) {
+ if ((time(NULL) - start) >= timeout)
+ break;
+ }
+
+ if (cammenu)
+ gnutv_ca_ui();
+ else
+ usleep(1);
+ }
+
+ // stop data handling
+ gnutv_data_stop();
+
+ // shutdown DVB stuff
+ if (channel_name != NULL)
+ gnutv_dvb_stop();
+
+ // shutdown CA stuff
+ gnutv_ca_stop();
+
+ // done
+ exit(0);
+}
+
+static void signal_handler(int _signal)
+{
+ (void) _signal;
+
+ if (!quit_app) {
+ quit_app = 1;
+ }
+}
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