From ab959d7b4194715870128e616b8e29d4a101e488 Mon Sep 17 00:00:00 2001 From: etobi Date: Tue, 3 Sep 2013 09:48:41 +0200 Subject: Imported Upstream version 1.1.1+rev1207 --- util/gnutv/gnutv.c | 365 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 365 insertions(+) create mode 100644 util/gnutv/gnutv.c (limited to 'util/gnutv/gnutv.c') diff --git a/util/gnutv/gnutv.c b/util/gnutv/gnutv.c new file mode 100644 index 0000000..62f19be --- /dev/null +++ b/util/gnutv/gnutv.c @@ -0,0 +1,365 @@ +/* + gnutv utility + + Copyright (C) 2004, 2005 Manu Abraham + 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#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 as follows:\n" + " -h help\n" + " -adapter adapter to use (default 0)\n" + " -frontend frontend to use (default 0)\n" + " -demux demux to use (default 0)\n" + " -caslotnum ca slot number to use (default 0)\n" + " -channels channels.conf file.\n" + " -secfile Optional sec.conf file.\n" + " -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 Output stream to file\n" + " udp
Output stream to address:port using udp\n" + " udpif
Output stream to address:port using udp\n" + " forcing the specified interface\n" + " rtp
Output stream to address:port using udp-rtp\n" + " rtpif
Output stream to address:port using udp-rtp\n" + " forcing the specified interface\n" + " -timeout 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" + " \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; + } +} -- cgit v1.2.3