/* dvbstream (C) Dave Chapman 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. */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include "stream.h" #include "demuxer.h" #include "help_mp.h" #include "../m_option.h" #include "../m_struct.h" #include "dvbin.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 struct stream_priv_s { char *prog; int card; char *type; int vid, aid; char *file; } stream_defaults = { "", 1, "", 0, 0, "channels.conf" }; #define ST_OFF(f) M_ST_OFF(struct stream_priv_s, f) /// URL definition static m_option_t stream_params[] = { {"prog", ST_OFF(prog), CONF_TYPE_STRING, 0, 0 ,0, NULL}, {"card", ST_OFF(card), CONF_TYPE_INT, M_OPT_RANGE, 1, 4, NULL}, {"type", ST_OFF(type), CONF_TYPE_STRING, 0, 0 ,0, NULL}, {"vid", ST_OFF(vid), CONF_TYPE_INT, 0, 0 ,0, NULL}, {"aid", ST_OFF(aid), CONF_TYPE_INT, 0, 0 ,0, NULL}, {"file", ST_OFF(file), CONF_TYPE_STRING, 0, 0 ,0, NULL}, {"hostname", ST_OFF(prog), CONF_TYPE_STRING, 0, 0, 0, NULL }, {"filename", ST_OFF(card), CONF_TYPE_INT, M_OPT_RANGE, 1, 4, NULL}, {NULL, NULL, 0, 0, 0, 0, NULL} }; static struct m_struct_st stream_opts = { "dvbin", sizeof(struct stream_priv_s), &stream_defaults, stream_params }; m_option_t dvbin_opts_conf[] = { {"prog", &stream_defaults.prog, CONF_TYPE_STRING, 0, 0 ,0, NULL}, {"card", &stream_defaults.card, CONF_TYPE_INT, M_OPT_RANGE, 1, 4, NULL}, {"type", &stream_defaults.type, CONF_TYPE_STRING, 0, 0 ,0, NULL}, {"vid", &stream_defaults.vid, CONF_TYPE_INT, 0, 0 ,0, NULL}, {"aid", &stream_defaults.aid, CONF_TYPE_INT, 0, 0 ,0, NULL}, {"file", &stream_defaults.file, CONF_TYPE_STRING, 0, 0 ,0, NULL}, {NULL, NULL, 0, 0, 0, 0, NULL} }; extern int dvb_set_ts_filt(int fd, uint16_t pid, dmx_pes_type_t pestype); extern int dvb_demux_stop(int fd); extern int dvb_get_tuner_type(dvb_priv_t *priv); 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 *dvb_dvrdev[4], *dvb_demuxdev[4]; dvb_channels_list *dvb_list_ptr = NULL; static dvb_channels_list *dvb_get_channels(char *filename, int type) { dvb_channels_list *list; FILE *f; uint8_t line[CHANNEL_LINE_LEN]; 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"; if(type != TUNER_SAT && type != TUNER_TER && type != TUNER_CBL) { mp_msg(MSGT_DEMUX, MSGL_V, "DVB_GET_CHANNELS: wrong tuner type, exit\n"); return 0; } 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; } bzero(list, sizeof(dvb_channels_list)); mp_msg(MSGT_DEMUX, MSGL_V, "CONFIG_READ FILE: %s, type: %d\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, CHANNEL_LINE_LEN, f) == NULL ) continue; if(line[0] == '#') continue; ptr = &(list->channels[list->NUM_CHANNELS]); if(type == TUNER_TER) { fields = sscanf(line, ter_conf, &ptr->name, &ptr->freq, &inv, &bw, &cr, &tmp_lcr, &mod, &transm, &gi, &tmp_hier, &ptr->vpid, &ptr->apid1); } else if(type == TUNER_CBL) { fields = sscanf(line, cbl_conf, &ptr->name, &ptr->freq, &inv, &ptr->srate, &cr, &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); } 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; #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(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; 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; } list->NUM_CHANNELS++; row_count++; } fclose(f); list->current = 0; return list; } static int dvb_streaming_read(stream_t *stream, char *buffer, int size) { struct pollfd pfds[1]; int pos=0, tries, rk; int fd = stream->fd; dvb_priv_t *priv = (dvb_priv_t *) stream->priv; mp_msg(MSGT_DEMUX, MSGL_V, "dvb_streaming_read(%d)\n", size); if(priv->retry) tries = 5; else tries = 1; while(pos < size) { pfds[0].fd = fd; pfds[0].events = POLLIN | POLLPRI; poll(pfds, 1, 500); rk = size - pos; if((rk = read(fd, &buffer[pos], rk)) > 0) { pos += rk; mp_msg(MSGT_DEMUX, MSGL_V, "ret (%d) bytes\n", pos); } else { mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_streaming_read, attempt N. %d failed with errno %d when reading %d bytes\n", tries, errno, size-pos); if(--tries > 0) { errno = 0; //reset_demuxers(priv); continue; } else { errno = 0; break; } } } if(! pos) mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_streaming_read, return %d bytes\n", pos); return pos; } static int reset_demuxers(dvb_priv_t *priv) { dvb_channel_t *channel; dvb_channels_list *list = priv->list; channel = &(list->channels[list->current]); if(priv->is_on) //the fds are already open and we have to stop the demuxers { dvb_demux_stop(priv->demux_fd[0]); dvb_demux_stop(priv->demux_fd[1]); } if(channel->vpid) if(! dvb_set_ts_filt(priv->demux_fd[0], channel->vpid, DMX_PES_VIDEO)) return 0; //dvb_demux_start(priv->demux_fd[0]); if(channel->apid1) if(! dvb_set_ts_filt(priv->demux_fd[1], channel->apid1, DMX_PES_AUDIO)) return 0; printf("RESET DEMUXERS SUCCEDED, errno=%d\n\n\n", errno); } int dvb_set_channel(dvb_priv_t *priv, int n) { dvb_channels_list *list; dvb_channel_t *channel; int do_tuning; stream_t *stream = (stream_t*) priv->stream; char buf[4096]; if(priv->is_on) //the fds are already open and we have to stop the demuxers { dvb_demux_stop(priv->demux_fd[0]); dvb_demux_stop(priv->demux_fd[1]); priv->retry = 0; while(stream_read(stream, buf, 4096)); //empty both the stream's and driver's buffer } priv->retry = 1; mp_msg(MSGT_DEMUX, MSGL_V, "DVB_SET_CHANNEL: channel %d\n", n); list = priv->list; if(list == NULL) { mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_set_channel: LIST NULL PTR, quit\n"); return 0; } if((n > list->NUM_CHANNELS) || (n < 0)) { mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_set_channel: INVALID CHANNEL NUMBER: %d, abort\n", n); return 0; } list->current = n; channel = &(list->channels[list->current]); mp_msg(MSGT_DEMUX, MSGL_V, "DVB_SET_CHANNEL: new channel name=%s\n", channel->name); switch(priv->tuner_type) { case TUNER_SAT: sprintf(priv->new_tuning, "%d|%09d|%09d|%d|%c", priv->card, channel->freq, channel->srate, channel->diseqc, channel->pol); break; case TUNER_TER: sprintf(priv->new_tuning, "%d|%09d|%d|%d|%d|%d|%d|%d", priv->card, channel->freq, channel->inv, channel->bw, channel->cr, channel->mod, channel->trans, channel->gi); break; case TUNER_CBL: sprintf(priv->new_tuning, "%d|%09d|%d|%d|%d|%d", priv->card, channel->freq, channel->inv, channel->srate, channel->cr, channel->mod); break; } if(strcmp(priv->prev_tuning, priv->new_tuning)) { mp_msg(MSGT_DEMUX, MSGL_V, "DIFFERENT TUNING THAN THE PREVIOUS: %s -> %s\n", priv->prev_tuning, priv->new_tuning); strcpy(priv->prev_tuning, priv->new_tuning); do_tuning = 1; } else { mp_msg(MSGT_DEMUX, MSGL_V, "SAME TUNING, NO TUNING\n"); do_tuning = 0; } stream->eof=1; stream_reset(stream); if(do_tuning) 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)) return 0; priv->is_on = 1; //sets demux filters and restart the stream if(channel->vpid) if(! dvb_set_ts_filt(priv->demux_fd[0], channel->vpid, DMX_PES_VIDEO)) return 0; //dvb_demux_start(priv->demux_fd[0]); if(channel->apid1) if(! dvb_set_ts_filt(priv->demux_fd[1], channel->apid1, DMX_PES_AUDIO)) return 0; //dvb_demux_start(priv->demux_fd[1]); return 1; } int dvb_step_channel(dvb_priv_t *priv, int dir) { int new_current; dvb_channels_list *list; mp_msg(MSGT_DEMUX, MSGL_V, "DVB_STEP_CHANNEL dir %d\n", dir); if(priv == NULL) { mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_step_channel: NULL priv_ptr, quit\n"); return 0; } list = priv->list; if(list == NULL) { mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_step_channel: NULL list_ptr, quit\n"); return 0; } if(dir == DVB_CHANNEL_HIGHER) { if(list->current == list->NUM_CHANNELS-1) return 0; new_current = list->current + 1; } else { if(list->current == 0) return 0; new_current = list->current - 1; } return dvb_set_channel(priv, new_current); } extern char *get_path(char *); static void dvbin_close(stream_t *stream) { dvb_priv_t *priv = (dvb_priv_t *) stream->priv; close(priv->dvr_fd); close(priv->demux_fd[0]); close(priv->demux_fd[1]); priv->is_on = 0; priv->stream = NULL; if(dvb_list_ptr) free(dvb_list_ptr); dvb_list_ptr = NULL; } static int dvb_streaming_start(dvb_priv_t *priv, struct stream_priv_s *opts, int tuner_type) { int pids[MAX_CHANNELS], pestypes[MAX_CHANNELS], npids = 0, i; dvb_channel_t *channel = NULL; stream_t *stream = (stream_t*) priv->stream; 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, "PROG: %s, CARD: %d, VID: %d, AID: %d, TYPE: %s, FILE: %s\n", opts->prog, opts->card, opts->vid, opts->aid, opts->type, opts->file); priv->is_on = 0; if(strlen(opts->prog)) { if(dvb_list_ptr != NULL) { i = 0; while((channel == NULL) && i < dvb_list_ptr->NUM_CHANNELS) { if(! strcmp(dvb_list_ptr->channels[i].name, opts->prog)) channel = &(dvb_list_ptr->channels[i]); i++; } if(channel != NULL) { dvb_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); } else if(opts->prog) { mp_msg(MSGT_DEMUX, MSGL_ERR, "\n\nDVBIN: no such channel \"%s\"\n\n", opts->prog); return 0; } } else { mp_msg(MSGT_DEMUX, MSGL_ERR, "DVBIN: chanel %s requested, but no channel list supplied %s\n", opts->prog); return 0; } } if(opts->vid > 0) { pids[npids] = opts->vid; } else if(channel != NULL) { pids[npids] = channel->vpid; } pestypes[npids] = DMX_PES_VIDEO; npids++; if(opts->aid > 0) { pids[npids] = opts->aid; } else if(channel != NULL) { pids[npids] = channel->apid1; } pestypes[npids] = DMX_PES_AUDIO; npids++; priv->demux_fd[0] = open(dvb_demuxdev[priv->card], O_RDWR); if(priv->demux_fd[0] < 0) { mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DEMUX 0: %d\n", errno); return 0; } priv->demux_fd[1] = open(dvb_demuxdev[priv->card], O_RDWR); if(priv->demux_fd[1] < 0) { mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DEMUX 1: %d\n", errno); return 0; } priv->dvr_fd = open(dvb_dvrdev[priv->card], O_RDONLY| O_NONBLOCK); if(priv->dvr_fd < 0) { mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DVR DEVICE %s: %d\n", dvb_dvrdev[priv->card], errno); return 0; } strcpy(priv->prev_tuning, ""); if(!dvb_set_channel(priv, dvb_list_ptr->current)) { mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR, COULDN'T SET CHANNEL %i: ", dvb_list_ptr->current); dvbin_close(stream); return 0; } stream->fd = priv->dvr_fd; mp_msg(MSGT_DEMUX, MSGL_V, "SUCCESSFUL EXIT from dvb_streaming_start\n"); return 1; } static int dvb_open(stream_t *stream, int mode, void *opts, int *file_format) { // 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 struct stream_priv_s* p = (struct stream_priv_s*)opts; char *name = NULL, *filename; dvb_priv_t *priv; int tuner_type; if(mode != STREAM_READ) return STREAM_UNSUPORTED; stream->priv = (dvb_priv_t*) malloc(sizeof(dvb_priv_t)); if(stream->priv == NULL) return STREAM_ERROR; priv = (dvb_priv_t *)stream->priv; priv->stream = stream; name = malloc(sizeof(char)*128); if(name == NULL) { mp_msg(MSGT_DEMUX, MSGL_ERR, "COULDN'T MALLOC SOME TMP MEMORY, EXIT!\n"); return STREAM_ERROR; } priv->card = p->card - 1; if(!strncmp(p->type, "CBL", 3)) { tuner_type = TUNER_CBL; } else if(!strncmp(p->type, "TER", 3)) { tuner_type = TUNER_TER; } else if(!strncmp(p->type, "SAT", 3)) { tuner_type = TUNER_SAT; } else { int t = dvb_get_tuner_type(priv); if((t==TUNER_SAT) || (t==TUNER_TER) || (t==TUNER_CBL)) { tuner_type = t; } } priv->tuner_type = tuner_type; mp_msg(MSGT_DEMUX, MSGL_V, "OPEN_DVB: prog=%s, card=%d, type=%d, vid=%d, aid=%d, file=%s\n", p->prog, priv->card+1, priv->tuner_type, p->vid, p->aid, p->file); if(dvb_list_ptr == NULL) { filename = get_path(p->file); if(filename) { if((dvb_list_ptr = dvb_get_channels(filename, tuner_type)) == NULL) mp_msg(MSGT_DEMUX, MSGL_ERR, "EMPTY CHANNELS LIST FROM FILE %s!\n", filename); else { priv->list = dvb_list_ptr; } } else { dvb_list_ptr = NULL; mp_msg(MSGT_DEMUX, MSGL_WARN, "NO CHANNELS FILE FOUND!\n"); } } else priv->list = dvb_list_ptr; if(! strcmp(p->prog, "")) { if(dvb_list_ptr != NULL) { dvb_channel_t *channel; channel = &(dvb_list_ptr->channels[dvb_list_ptr->current]); p->prog = channel->name; } } if(! dvb_streaming_start(priv, p, tuner_type)) { free(stream->priv); stream->priv = NULL; return STREAM_ERROR; } stream->type = STREAMTYPE_DVB; stream->fill_buffer = dvb_streaming_read; stream->close = dvbin_close; m_struct_free(&stream_opts, opts); return STREAM_OK; } stream_info_t stream_info_dvb = { "Dvb Input", "dvbin", "Nico", "based on the code from ??? (probably Arpi)", dvb_open, { "dvb", NULL }, &stream_opts, 1 // Urls are an option string };