diff options
Diffstat (limited to 'stream/dvb_tune.c')
| -rw-r--r-- | stream/dvb_tune.c | 75 |
1 files changed, 65 insertions, 10 deletions
diff --git a/stream/dvb_tune.c b/stream/dvb_tune.c index 7ec4bcd9e8..1f982d6887 100644 --- a/stream/dvb_tune.c +++ b/stream/dvb_tune.c @@ -40,38 +40,93 @@ #include "dvb_tune.h" #include "common/msg.h" -int dvb_get_tuner_type(int fe_fd, struct mp_log *log) +int dvb_get_tuner_types(int fe_fd, struct mp_log *log, int** tuner_types) { +#ifdef DVB_USE_S2API + /* S2API is the DVB API new since 2.6.28. + It allows to query frontends with multiple delivery systems. */ + struct dtv_property p[] = {{ .cmd = DTV_ENUM_DELSYS }}; + struct dtv_properties cmdseq = {.num = 1, .props = p}; + mp_verbose(log, "Querying tuner type via DVBv5 API for frontend FD %d\n", + fe_fd); + if ((ioctl(fe_fd, FE_GET_PROPERTY, &cmdseq)) < -0) { + mp_err(log, "FE_GET_PROPERTY error: %d, FD: %d\n\n", errno, fe_fd); + return 0; + } + int num_tuner_types = p[0].u.buffer.len; + mp_verbose(log, "Number of supported delivery systems: %d\n", num_tuner_types); + if (num_tuner_types == 0) { + mp_err(log, "Frontend FD %d returned no delivery systems!", fe_fd); + return 0; + } + (*tuner_types) = talloc_array(NULL, int, num_tuner_types); + int supported_tuners = 0; + for(;p[0].u.buffer.len > 0; p[0].u.buffer.len--) { + fe_delivery_system_t delsys = p[0].u.buffer.data[p[0].u.buffer.len - 1]; + /* Second level standards like like DVB-T2, DVB-S2 not treated here - + Cards can usually either only do S/T/C or both levels. + DVB-T2 probably needs more implementation details, + DVB-S2 is treated in the DVB-S branch already. */ + switch (delsys) { + case SYS_DVBT: + mp_verbose(log, "TUNER TYPE SEEMS TO BE DVB-T\n"); + (*tuner_types)[supported_tuners++] = TUNER_TER; + break; + case SYS_DVBC_ANNEX_AC: + mp_verbose(log, "TUNER TYPE SEEMS TO BE DVB-C\n"); + (*tuner_types)[supported_tuners++] = TUNER_CBL; + break; + case SYS_DVBS: + mp_verbose(log, "TUNER TYPE SEEMS TO BE DVB-S\n"); + (*tuner_types)[supported_tuners++] = TUNER_SAT; + break; +#ifdef DVB_ATSC + case SYS_ATSC: + mp_verbose(log, "TUNER TYPE SEEMS TO BE DVB-ATSC\n"); + (*tuner_types)[supported_tuners++] = TUNER_ATSC; + break; +#endif + default: + mp_err(log, "UNKNOWN TUNER TYPE\n"); + } + } + return supported_tuners; +#else struct dvb_frontend_info fe_info; int res = ioctl(fe_fd, FE_GET_INFO, &fe_info); if (res < 0) { mp_err(log, "FE_GET_INFO error: %d, FD: %d\n\n", errno, fe_fd); return 0; } - + switch (fe_info.type) { case FE_OFDM: mp_verbose(log, "TUNER TYPE SEEMS TO BE DVB-T\n"); - return TUNER_TER; - + *tuner_types = talloc_array(NULL, int, 1); + (*tuner_types)[0] = TUNER_TER; + return 1; case FE_QPSK: mp_verbose(log, "TUNER TYPE SEEMS TO BE DVB-S\n"); - return TUNER_SAT; - + *tuner_types = talloc_array(NULL, int, 1); + (*tuner_types)[0] = TUNER_SAT; + return 1; case FE_QAM: mp_verbose(log, "TUNER TYPE SEEMS TO BE DVB-C\n"); - return TUNER_CBL; - + *tuner_types = talloc_array(NULL, int, 1); + (*tuner_types)[0] = TUNER_CBL; + return 1; #ifdef DVB_ATSC case FE_ATSC: mp_verbose(log, "TUNER TYPE SEEMS TO BE DVB-ATSC\n"); - return TUNER_ATSC; + *tuner_types = talloc_array(NULL, int, 1); + (*tuner_types)[0] = TUNER_ATSC; + return 1; #endif default: mp_err(log, "UNKNOWN TUNER TYPE\n"); return 0; } - +#endif } int dvb_open_devices(dvb_priv_t *priv, int n, int demux_cnt) |