Remove yet another unused file
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dcba4a867a
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1 changed files with 0 additions and 215 deletions
215
dvb/dvb_dvr.c
215
dvb/dvb_dvr.c
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/*
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* TV Input - Linux DVB interface - Feed receiver functions
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* Copyright (C) 2007 Andreas Öman
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <pthread.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <linux/dvb/frontend.h>
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#include <linux/dvb/dmx.h>
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#include <libhts/htscfg.h>
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#include "tvhead.h"
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#include "dispatch.h"
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#include "dvb.h"
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#include "dvb_dvr.h"
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#include "channels.h"
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#include "transports.h"
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#include "dvb_support.h"
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#include "tsdemux.h"
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static void dvr_fd_callback(int events, void *opaque, int fd);
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int
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dvb_dvr_init(th_dvb_adapter_t *tda)
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{
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int dvr;
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dvr = open(tda->tda_dvr_path, O_RDONLY | O_NONBLOCK);
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if(dvr == -1) {
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tvhlog(LOG_ALERT, "dvb",
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"%s: unable to open dvr\n", tda->tda_dvr_path);
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return -1;
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}
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dispatch_addfd(dvr, dvr_fd_callback, tda, DISPATCH_READ);
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return 0;
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}
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/*
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*
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*/
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static void
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dvb_dvr_process_packets(th_dvb_adapter_t *tda, uint8_t *tsb, int r)
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{
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th_transport_t *t;
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while(r >= 188) {
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LIST_FOREACH(t, &tda->tda_transports, tht_active_link)
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ts_recv_packet1(t, tsb);
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r -= 188;
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tsb += 188;
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}
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}
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/*
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*
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*/
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static void
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dvr_fd_callback(int events, void *opaque, int fd)
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{
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th_dvb_adapter_t *tda = opaque;
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uint8_t tsb0[188 * 10];
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int r;
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if(!(events & DISPATCH_READ))
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return;
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r = read(fd, tsb0, sizeof(tsb0));
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dvb_dvr_process_packets(tda, tsb0, r);
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}
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/*
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*
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*/
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void
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dvb_adapter_clean(th_dvb_adapter_t *tda)
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{
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th_transport_t *t;
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while((t = LIST_FIRST(&tda->tda_transports)) != NULL)
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transport_stop(t, 1);
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}
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/*
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*
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*/
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void
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dvb_stop_feed(th_transport_t *t)
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{
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th_stream_t *st;
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LIST_REMOVE(t, tht_active_link);
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LIST_FOREACH(st, &t->tht_streams, st_link) {
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close(st->st_demuxer_fd);
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st->st_demuxer_fd = -1;
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}
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t->tht_runstatus = TRANSPORT_IDLE;
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}
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/*
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* Switch the adapter (which is implicitly tied to our transport)
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* to receive the given transport.
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*
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* But we only do this if 'weight' is higher than all of the current
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* transports that is subscribing to the adapter
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*/
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int
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dvb_start_feed(th_transport_t *t, unsigned int weight, int status,
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int force_start)
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{
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struct dmx_pes_filter_params dmx_param;
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th_stream_t *st;
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int w, fd, pid, i;
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th_dvb_adapter_t *tda = t->tht_dvb_mux_instance->tdmi_adapter;
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th_dvb_mux_instance_t *tdmi = tda->tda_mux_current;
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if(tda->tda_rootpath == NULL)
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return 1; /* hardware not present */
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/* Check if adapter is idle, or already tuned */
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if(tdmi != NULL && tdmi != t->tht_dvb_mux_instance && !force_start) {
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/* Nope .. */
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if(tdmi->tdmi_status != NULL)
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return 1; /* no lock on adapter, cant use it */
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for(i = 0; i < TDMI_FEC_ERR_HISTOGRAM_SIZE; i++)
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if(tdmi->tdmi_fec_err_histogram[i] > DVB_FEC_ERROR_LIMIT)
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return 1; /* too many errors for using it */
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w = transport_compute_weight(&tdmi->tdmi_adapter->tda_transports);
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if(w > weight)
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return 1; /* We are outranked by weight, cant use it */
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dvb_adapter_clean(tda);
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}
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tdmi = t->tht_dvb_mux_instance;
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LIST_FOREACH(st, &t->tht_streams, st_link) {
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fd = open(tda->tda_demux_path, O_RDWR);
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pid = st->st_pid;
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st->st_cc_valid = 0;
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if(fd == -1) {
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st->st_demuxer_fd = -1;
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tvhlog(LOG_ERR, "dvb",
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"\"%s\" unable to open demuxer \"%s\" for pid %d -- %s",
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t->tht_name, tda->tda_demux_path, pid, strerror(errno));
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continue;
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}
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memset(&dmx_param, 0, sizeof(dmx_param));
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dmx_param.pid = pid;
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dmx_param.input = DMX_IN_FRONTEND;
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dmx_param.output = DMX_OUT_TS_TAP;
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dmx_param.pes_type = DMX_PES_OTHER;
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dmx_param.flags = DMX_IMMEDIATE_START;
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if(ioctl(fd, DMX_SET_PES_FILTER, &dmx_param)) {
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tvhlog(LOG_ERR, "dvb",
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"\"%s\" unable to configure demuxer \"%s\" for pid %d -- %s",
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t->tht_name, tda->tda_demux_path, pid, strerror(errno));
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close(fd);
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fd = -1;
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}
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st->st_demuxer_fd = fd;
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}
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LIST_INSERT_HEAD(&tda->tda_transports, t, tht_active_link);
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t->tht_runstatus = status;
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dvb_tune_tdmi(tdmi, 1, TDMI_RUNNING);
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return 0;
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}
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