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Use DVB API v5 aka S2API instead of obsolete v3 API
Patch is based on work of Tony Houghton <h@realh.co.uk> https://bugzilla.gnome.org/show_bug.cgi?id=654479
This commit is contained in:
Sebastian Pölsterl
Edward Hervey
parent
43fea50c8a
commit
5d406192c3
1 changed files with 91 additions and 66 deletions
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@ -68,6 +68,8 @@ GST_DEBUG_CATEGORY_STATIC (gstdvbsrc_debug);
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#define LOF1 (9750*1000UL)
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#define LOF2 (10600*1000UL)
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#define NUM_DTV_PROPS 16
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/* Arguments */
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enum
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{
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@ -1260,21 +1262,32 @@ diseqc (int secfd, int sat_no, int voltage, int tone)
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}
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inline static void
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set_prop (struct dtv_property *props, int *n, guint32 cmd, guint32 data)
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{
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if (*n == NUM_DTV_PROPS) {
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g_critical ("Index out of bounds");
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} else {
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props[*n].cmd = cmd;
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props[(*n)++].u.data = data;
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}
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}
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static gboolean
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gst_dvbsrc_tune (GstDvbSrc * object)
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{
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#if DVB_API_VERSION == 3 && DVB_API_VERSION_MINOR == 3
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struct dvbfe_params feparams;
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#else
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struct dvb_frontend_parameters feparams;
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#endif
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struct dtv_properties props;
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struct dtv_property dvb_prop[NUM_DTV_PROPS];
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fe_sec_voltage_t voltage;
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fe_status_t status;
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int n;
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int i;
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int j;
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unsigned int del_sys = SYS_UNDEFINED;
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unsigned int freq = object->freq;
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unsigned int sym_rate = object->sym_rate * 1000;
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unsigned int bandwidth;
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int inversion = object->inversion;
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/* found in mail archive on linuxtv.org
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* What works well for us is:
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@ -1291,37 +1304,42 @@ gst_dvbsrc_tune (GstDvbSrc * object)
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return FALSE;
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}
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GST_DEBUG_OBJECT (object, "api version %d.%d", DVB_API_VERSION,
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DVB_API_VERSION_MINOR);
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gst_dvbsrc_unset_pes_filters (object);
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for (j = 0; j < 5; j++) {
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memset (dvb_prop, 0, sizeof (dvb_prop));
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dvb_prop[0].cmd = DTV_CLEAR;
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props.num = 1;
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props.props = dvb_prop;
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if (ioctl (object->fd_frontend, FE_SET_PROPERTY, &props) < 0) {
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g_warning ("Error resetting tuner: %s", strerror (errno));
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}
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/* First three entries are reserved */
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n = 3;
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switch (object->adapter_type) {
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case FE_QPSK:
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object->tone = SEC_TONE_OFF;
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if (freq > 2200000) {
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// this must be an absolute frequency
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if (freq < SLOF) {
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feparams.frequency = (freq - LOF1);
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freq -= LOF1;
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} else {
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feparams.frequency = (freq - LOF2);
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freq -= LOF2;
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object->tone = SEC_TONE_ON;
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}
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} else {
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// this is an L-Band frequency
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feparams.frequency = freq;
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}
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feparams.inversion = INVERSION_AUTO;
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GST_DEBUG_OBJECT (object, "api version %d.%d", DVB_API_VERSION,
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DVB_API_VERSION_MINOR);
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#if DVB_API_VERSION == 3 && DVB_API_VERSION_MINOR == 3
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GST_DEBUG_OBJECT (object, "using multiproto driver");
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feparams.delsys.dvbs.symbol_rate = sym_rate;
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feparams.delsys.dvbs.fec = object->code_rate_hp;
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#else
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feparams.u.qpsk.symbol_rate = sym_rate;
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feparams.u.qpsk.fec_inner = object->code_rate_hp;
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#endif
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inversion = INVERSION_AUTO;
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set_prop (dvb_prop, &n, DTV_SYMBOL_RATE, sym_rate);
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set_prop (dvb_prop, &n, DTV_INNER_FEC, object->code_rate_hp);
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/* TODO add dvbs2 */
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del_sys = SYS_DVBS;
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GST_INFO_OBJECT (object,
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"tuning DVB-S to L-Band:%u, Pol:%d, srate=%u, 22kHz=%s",
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feparams.frequency, object->pol, sym_rate,
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freq, object->pol, sym_rate,
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object->tone == SEC_TONE_ON ? "on" : "off");
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if (object->pol == DVB_POL_H)
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@ -1330,13 +1348,10 @@ gst_dvbsrc_tune (GstDvbSrc * object)
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voltage = SEC_VOLTAGE_13;
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if (object->diseqc_src == -1 || object->send_diseqc == FALSE) {
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if (ioctl (object->fd_frontend, FE_SET_VOLTAGE, voltage) < 0) {
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g_warning ("Unable to set voltage on dvb frontend device");
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}
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set_prop (dvb_prop, &n, DTV_VOLTAGE, voltage);
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if (ioctl (object->fd_frontend, FE_SET_TONE, object->tone) < 0) {
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g_warning ("Error setting tone: %s", strerror (errno));
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}
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// DTV_TONE not yet implemented
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// set_prop (fe_props_array, &n, DTV_TONE, object->tone)
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} else {
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GST_DEBUG_OBJECT (object, "Sending DISEqC");
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diseqc (object->fd_frontend, object->diseqc_src, voltage,
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@ -1348,48 +1363,52 @@ gst_dvbsrc_tune (GstDvbSrc * object)
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break;
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case FE_OFDM:
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feparams.frequency = freq;
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#if DVB_API_VERSION == 3 && DVB_API_VERSION_MINOR == 3
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feparams.delsys.dvbs.fec = object->code_rate_hp;
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feparams.delsys.dvbs.modulation = object->modulation;
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feparams.delsys.dvbs.symbol_rate = sym_rate;
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#else
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feparams.u.ofdm.bandwidth = object->bandwidth;
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feparams.u.ofdm.code_rate_HP = object->code_rate_hp;
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feparams.u.ofdm.code_rate_LP = object->code_rate_lp;
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feparams.u.ofdm.constellation = object->modulation;
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feparams.u.ofdm.transmission_mode = object->transmission_mode;
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feparams.u.ofdm.guard_interval = object->guard_interval;
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feparams.u.ofdm.hierarchy_information = object->hierarchy_information;
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#endif
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feparams.inversion = object->inversion;
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del_sys = SYS_DVBT;
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bandwidth = 0;
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if (object->bandwidth != BANDWIDTH_AUTO) {
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/* Presumably not specifying bandwidth with s2api is equivalent
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* to BANDWIDTH_AUTO.
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*/
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switch (object->bandwidth) {
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case BANDWIDTH_8_MHZ:
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bandwidth = 8000000;
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break;
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case BANDWIDTH_7_MHZ:
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bandwidth = 7000000;
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break;
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case BANDWIDTH_6_MHZ:
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bandwidth = 6000000;
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break;
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default:
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break;
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}
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}
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if (bandwidth) {
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set_prop (dvb_prop, &n, DTV_BANDWIDTH_HZ, bandwidth);
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}
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set_prop (dvb_prop, &n, DTV_CODE_RATE_HP, object->code_rate_hp);
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set_prop (dvb_prop, &n, DTV_CODE_RATE_LP, object->code_rate_lp);
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set_prop (dvb_prop, &n, DTV_MODULATION, object->modulation);
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set_prop (dvb_prop, &n, DTV_TRANSMISSION_MODE,
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object->transmission_mode);
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set_prop (dvb_prop, &n, DTV_GUARD_INTERVAL, object->guard_interval);
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set_prop (dvb_prop, &n, DTV_HIERARCHY, object->hierarchy_information);
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GST_INFO_OBJECT (object, "tuning DVB-T to %d Hz", freq);
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break;
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case FE_QAM:
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GST_INFO_OBJECT (object, "Tuning DVB-C to %d, srate=%d", freq,
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sym_rate);
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feparams.frequency = freq;
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feparams.inversion = object->inversion;
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#if DVB_API_VERSION == 3 && DVB_API_VERSION_MINOR == 3
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feparams.delsys.dvbs.fec = object->code_rate_hp;
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feparams.delsys.dvbs.modulation = object->modulation;
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feparams.delsys.dvbs.symbol_rate = sym_rate;
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#else
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feparams.u.qam.fec_inner = object->code_rate_hp;
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feparams.u.qam.modulation = object->modulation;
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feparams.u.qam.symbol_rate = sym_rate;
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#endif
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del_sys = SYS_DVBC_ANNEX_AC;
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set_prop (dvb_prop, &n, DTV_INNER_FEC, object->code_rate_hp);
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set_prop (dvb_prop, &n, DTV_MODULATION, object->modulation);
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set_prop (dvb_prop, &n, DTV_SYMBOL_RATE, sym_rate);
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break;
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case FE_ATSC:
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GST_INFO_OBJECT (object, "Tuning ATSC to %d", freq);
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feparams.frequency = freq;
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#if DVB_API_VERSION == 3 && DVB_API_VERSION_MINOR == 3
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feparams.delsys.atsc.modulation = object->modulation;
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#else
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feparams.u.vsb.modulation = object->modulation;
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#endif
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del_sys = SYS_ATSC;
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set_prop (dvb_prop, &n, DTV_MODULATION, object->modulation);
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break;
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default:
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g_error ("Unknown frontend type: %d", object->adapter_type);
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@ -1397,11 +1416,17 @@ gst_dvbsrc_tune (GstDvbSrc * object)
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}
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usleep (100000);
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/* now tune the frontend */
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#if DVB_API_VERSION == 3 && DVB_API_VERSION_MINOR == 3
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if (ioctl (object->fd_frontend, DVBFE_SET_PARAMS, &feparams) < 0) {
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#else
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if (ioctl (object->fd_frontend, FE_SET_FRONTEND, &feparams) < 0) {
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#endif
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set_prop (dvb_prop, &n, DTV_TUNE, 0);
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props.num = n;
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props.props = dvb_prop;
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/* set first three entries */
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n = 0;
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set_prop (dvb_prop, &n, DTV_DELIVERY_SYSTEM, del_sys);
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set_prop (dvb_prop, &n, DTV_FREQUENCY, freq);
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set_prop (dvb_prop, &n, DTV_INVERSION, inversion);
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GST_DEBUG_OBJECT (object, "Setting %d properties", props.num);
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if (ioctl (object->fd_frontend, FE_SET_PROPERTY, &props) < 0) {
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g_warning ("Error tuning channel: %s", strerror (errno));
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}
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for (i = 0; i < 50; i++) {
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