diff options
Diffstat (limited to 'util/szap/szap.c')
| -rw-r--r-- | util/szap/szap.c | 97 |
1 files changed, 5 insertions, 92 deletions
diff --git a/util/szap/szap.c b/util/szap/szap.c index ed1aa51..78da3a6 100644 --- a/util/szap/szap.c +++ b/util/szap/szap.c @@ -48,6 +48,7 @@ #include <linux/dvb/dmx.h> #include <linux/dvb/audio.h> #include "lnb.h" +#include "util.h" #ifndef TRUE #define TRUE (1==1) @@ -92,94 +93,6 @@ static char *usage_str = " -p : add pat and pmt to TS recording (implies -r)\n" " or -n numbers for zapping\n"; -static int set_demux(int dmxfd, int pid, int pes_type, int dvr) -{ - struct dmx_pes_filter_params pesfilter; - - if (pid < 0 || pid >= 0x1fff) /* ignore this pid to allow radio services */ - return TRUE; - - if (dvr) { - int buffersize = 64 * 1024; - if (ioctl(dmxfd, DMX_SET_BUFFER_SIZE, buffersize) == -1) - perror("DMX_SET_BUFFER_SIZE failed"); - } - - pesfilter.pid = pid; - pesfilter.input = DMX_IN_FRONTEND; - pesfilter.output = dvr ? DMX_OUT_TS_TAP : DMX_OUT_DECODER; - pesfilter.pes_type = pes_type; - pesfilter.flags = DMX_IMMEDIATE_START; - - if (ioctl(dmxfd, DMX_SET_PES_FILTER, &pesfilter) == -1) { - fprintf(stderr, "DMX_SET_PES_FILTER failed " - "(PID = 0x%04x): %d %m\n", pid, errno); - return FALSE; - } - - return TRUE; -} - -int get_pmt_pid(char *dmxdev, int sid) -{ - int patfd, count; - int pmt_pid = 0; - int patread = 0; - int section_length; - unsigned char buft[4096]; - unsigned char *buf = buft; - struct dmx_sct_filter_params f; - - memset(&f, 0, sizeof(f)); - f.pid = 0; - f.filter.filter[0] = 0x00; - f.filter.mask[0] = 0xff; - f.timeout = 0; - f.flags = DMX_IMMEDIATE_START | DMX_CHECK_CRC; - - if ((patfd = open(dmxdev, O_RDWR)) < 0) { - perror("openening pat demux failed"); - return -1; - } - - if (ioctl(patfd, DMX_SET_FILTER, &f) == -1) { - perror("ioctl DMX_SET_FILTER failed"); - close(patfd); - return -1; - } - - while (!patread){ - if (((count = read(patfd, buf, sizeof(buft))) < 0) && errno == EOVERFLOW) - count = read(patfd, buf, sizeof(buft)); - if (count < 0) { - perror("read_sections: read error"); - close(patfd); - return -1; - } - - section_length = ((buf[1] & 0x0f) << 8) | buf[2]; - if (count != section_length + 3) - continue; - - buf += 8; - section_length -= 8; - - patread = 1; /* assumes one section contains the whole pat */ - while (section_length > 0) { - int service_id = (buf[0] << 8) | buf[1]; - if (service_id == sid) { - pmt_pid = ((buf[2] & 0x1f) << 8) | buf[3]; - section_length = 0; - } - buf += 4; - section_length -= 4; - } - } - - close(patfd); - return pmt_pid; -} - struct diseqc_cmd { struct dvb_diseqc_master_cmd cmd; uint32_t wait; @@ -390,10 +303,10 @@ int zap_to(unsigned int adapter, unsigned int frontend, unsigned int demux, if (diseqc(fefd, sat_no, pol, hiband)) if (do_tune(fefd, ifreq, sr)) - if (set_demux(dmxfdv, vpid, DMX_PES_VIDEO, dvr)) + if (set_pesfilter(dmxfdv, vpid, DMX_PES_VIDEO, dvr)) if (audiofd >= 0) (void)ioctl(audiofd, AUDIO_SET_BYPASS_MODE, bypass); - if (set_demux(dmxfda, apid, DMX_PES_AUDIO, dvr)) { + if (set_pesfilter(dmxfda, apid, DMX_PES_AUDIO, dvr)) { if (rec_psi) { pmtpid = get_pmt_pid(dmxdev, sid); if (pmtpid < 0) { @@ -403,8 +316,8 @@ int zap_to(unsigned int adapter, unsigned int frontend, unsigned int demux, fprintf(stderr,"couldn't find pmt-pid for sid %04x\n",sid); result = FALSE; } - if (set_demux(patfd, 0, DMX_PES_OTHER, dvr)) - if (set_demux(pmtfd, pmtpid, DMX_PES_OTHER, dvr)) + if (set_pesfilter(patfd, 0, DMX_PES_OTHER, dvr)) + if (set_pesfilter(pmtfd, pmtpid, DMX_PES_OTHER, dvr)) result = TRUE; } else { result = TRUE; |