mirror of
https://github.com/tuxbox-neutrino/neutrino.git
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4165dc5755
the variable types are not really used as intended, so we can as well avoid using them at all to make it easier to port to other platforms git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@761 e54a6e83-5905-42d5-8d5c-058d10e6a962
126 lines
3.8 KiB
C++
126 lines
3.8 KiB
C++
/*
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* $Header: /cvs/tuxbox/apps/tuxbox/neutrino/daemons/sectionsd/dmxapi.cpp,v 1.5 2005/01/13 10:48:02 diemade Exp $
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*
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* DMX low level functions (sectionsd) - d-box2 linux project
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*
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* (C) 2003 by thegoodguy <thegoodguy@berlios.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <stdio.h> /* perror */
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#include <string.h> /* memset */
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#include <sys/ioctl.h> /* ioctl */
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#include <fcntl.h> /* open */
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#include <unistd.h> /* close, read */
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#include <dmxapi.h>
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#include <dmx_cs.h>
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#ifndef DO_NOT_INCLUDE_STUFF_NOT_NEEDED_FOR_SECTIONSD
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bool setfilter(const int fd, const uint16_t pid, const uint8_t filter, const uint8_t mask, const uint32_t flags)
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{
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struct dmx_sct_filter_params flt;
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memset(&flt, 0, sizeof(struct dmx_sct_filter_params));
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flt.pid = pid;
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flt.filter.filter[0] = filter;
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flt.filter.mask [0] = mask;
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flt.timeout = 0;
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flt.flags = flags;
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if (::ioctl(fd, DMX_SET_FILTER, &flt) == -1)
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{
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perror("[sectionsd] DMX: DMX_SET_FILTER");
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return false;
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}
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return true;
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}
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#endif
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struct SI_section_TOT_header
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{
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unsigned char table_id : 8;
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unsigned char section_syntax_indicator : 1;
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unsigned char reserved_future_use : 1;
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unsigned char reserved1 : 2;
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unsigned short section_length : 12;
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uint64_t UTC_time : 40;
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unsigned char reserved2 : 4;
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unsigned short descriptors_loop_length : 12;
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}
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__attribute__ ((packed)); /* 10 bytes */
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struct SI_section_TDT_header
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{
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unsigned char table_id : 8;
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unsigned char section_syntax_indicator : 1;
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unsigned char reserved_future_use : 1;
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unsigned char reserved1 : 2;
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unsigned short section_length : 12;
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/* uint64_t UTC_time : 40;*/
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UTC_t UTC_time;
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}
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__attribute__ ((packed)); /* 8 bytes */
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cDemux * dmxUTC;
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bool getUTC(UTC_t * const UTC, const bool TDT)
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{
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unsigned char filter[DMX_FILTER_SIZE];
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unsigned char mask[DMX_FILTER_SIZE];
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int timeout;
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struct SI_section_TDT_header tdt_tot_header;
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char cUTC[5];
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bool ret = true;
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if(dmxUTC == NULL) {
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dmxUTC = new cDemux();
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dmxUTC->Open(DMX_PSI_CHANNEL);
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}
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memset(&filter, 0, DMX_FILTER_SIZE);
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memset(&mask, 0, DMX_FILTER_SIZE);
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filter[0] = TDT ? 0x70 : 0x73;
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mask [0] = 0xFF;
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timeout = 31000;
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// flags = TDT ? (DMX_ONESHOT | DMX_IMMEDIATE_START) : (DMX_ONESHOT | DMX_CHECK_CRC | DMX_IMMEDIATE_START);
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dmxUTC->sectionFilter(0x0014, filter, mask, 5, timeout);
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if(dmxUTC->Read((unsigned char *) &tdt_tot_header, sizeof(tdt_tot_header)) != sizeof(tdt_tot_header)) {
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perror("[sectionsd] getUTC: read");
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ret = false;
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} else {
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memcpy(cUTC, &tdt_tot_header.UTC_time, 5);
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if ((cUTC[2] > 0x23) || (cUTC[3] > 0x59) || (cUTC[4] > 0x59)) // no valid time
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{
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printf("[sectionsd] getUTC: invalid %s section received: %02x %02x %02x %02x %02x\n",
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TDT ? "TDT" : "TOT", cUTC[0], cUTC[1], cUTC[2], cUTC[3], cUTC[4]);
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ret = false;
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}
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(*UTC) = tdt_tot_header.UTC_time;
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}
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//delete dmxUTC;
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dmxUTC->Stop();
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return ret;
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}
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