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-rw-r--r--src/fig/FIG0_21.cpp146
-rw-r--r--src/fig/FIG0_21.h58
-rw-r--r--src/fig/FIG0structs.h15
3 files changed, 218 insertions, 1 deletions
diff --git a/src/fig/FIG0_21.cpp b/src/fig/FIG0_21.cpp
new file mode 100644
index 0000000..a89a8a7
--- /dev/null
+++ b/src/fig/FIG0_21.cpp
@@ -0,0 +1,146 @@
+/*
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ 2011, 2012 Her Majesty the Queen in Right of Canada (Communications
+ Research Center Canada)
+
+ Copyright (C) 2017
+ Matthias P. Braendli, matthias.braendli@mpb.li
+ */
+/*
+ This file is part of ODR-DabMux.
+
+ ODR-DabMux is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ ODR-DabMux is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "fig/FIG0_21.h"
+#include "utils.h"
+
+namespace FIC {
+
+FIG0_21::FIG0_21(FIGRuntimeInformation *rti) :
+ m_rti(rti),
+ m_initialised(false)
+{
+}
+
+FillStatus FIG0_21::fill(uint8_t *buf, size_t max_size)
+{
+ FillStatus fs;
+ ssize_t remaining = max_size;
+ auto ensemble = m_rti->ensemble;
+
+ if (not m_initialised) {
+ freqListEntryFIG0_21 = ensemble->frequency_information.begin();
+ m_initialised = true;
+ }
+
+ FIGtype0* fig0 = nullptr;
+
+ for (; freqListEntryFIG0_21 != ensemble->frequency_information.end();
+ ++freqListEntryFIG0_21) {
+
+ size_t num_list_entries_that_fit = 0;
+ size_t required_size = sizeof(struct FIGtype0_21_header);
+
+ size_t list_entry_size = sizeof(FIGtype0_21_fi_list_header);
+ switch ((*freqListEntryFIG0_21)->rm) {
+ case RangeModulation::dab_ensemble:
+ list_entry_size += (*freqListEntryFIG0_21)->fi_dab.frequencies.size() * 3;
+ break;
+ case RangeModulation::fm_with_rds:
+ list_entry_size += (*freqListEntryFIG0_21)->fi_fm.frequencies.size() * 3;
+ break;
+ case RangeModulation::amss:
+ list_entry_size += 1; // Id field 2
+ list_entry_size += (*freqListEntryFIG0_21)->fi_amss.frequencies.size() * 3;
+ break;
+ case RangeModulation::drm:
+ list_entry_size += 1; // Id field 2
+ list_entry_size += (*freqListEntryFIG0_21)->fi_drm.frequencies.size() * 3;
+ break;
+ }
+ required_size += list_entry_size;
+
+ etiLog.level(debug) << "FIG0/21 " << num_list_entries_that_fit << " entries"
+ "will fit";
+
+
+ if (fig0 == nullptr) {
+ if (remaining < 2 + required_size) {
+ break;
+ }
+ fig0 = (FIGtype0*)buf;
+ fig0->FIGtypeNumber = 0;
+ fig0->Length = 1;
+ fig0->CN =
+ (freqListEntryFIG0_21 == ensemble->frequency_information.begin() ? 0 : 1);
+ fig0->OE = 0;
+ fig0->PD = false;
+ fig0->Extension = 21;
+
+ buf += 2;
+ remaining -= 2;
+ }
+ else if (remaining < required_size) {
+ break;
+ }
+
+ auto *fig0_21_header = (FIGtype0_21_header*)buf;
+ switch ((*freqListEntryFIG0_21)->rm) {
+ case RangeModulation::dab_ensemble:
+ fig0_21_header->length_fi = (*freqListEntryFIG0_21)->fi_dab.frequencies.size();
+ break;
+ case RangeModulation::fm_with_rds:
+ fig0_21_header->length_fi = (*freqListEntryFIG0_21)->fi_fm.frequencies.size();
+ break;
+ case RangeModulation::drm:
+ fig0_21_header->length_fi = (*freqListEntryFIG0_21)->fi_drm.frequencies.size();
+ break;
+ case RangeModulation::amss:
+ fig0_21_header->length_fi = (*freqListEntryFIG0_21)->fi_amss.frequencies.size();
+ break;
+ }
+ fig0_21_header->rfa = 0;
+
+#error "Why do we have lists of FI lists? This is confusing"
+
+ switch ((*freqListEntryFIG0_21)->rm) {
+ case RangeModulation::dab_ensemble:
+ for (const auto& freq : (*freqListEntryFIG0_21)->fi_dab.frequencies) {
+
+ }
+ break;
+ case RangeModulation::fm_with_rds:
+ break;
+ case RangeModulation::drm:
+ break;
+ case RangeModulation::amss:
+ break;
+ }
+
+ fig0->Length += sizeof(struct FIGtype0_21_header);
+ buf += sizeof(struct FIGtype0_21_header);
+ remaining -= sizeof(struct FIGtype0_21_header);
+ }
+
+ if (freqListEntryFIG0_21 == ensemble->frequency_information.end()) {
+ fs.complete_fig_transmitted = true;
+ }
+
+ fs.num_bytes_written = max_size - remaining;
+ return fs;
+}
+
+}
+
diff --git a/src/fig/FIG0_21.h b/src/fig/FIG0_21.h
new file mode 100644
index 0000000..dccb475
--- /dev/null
+++ b/src/fig/FIG0_21.h
@@ -0,0 +1,58 @@
+/*
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ 2011, 2012 Her Majesty the Queen in Right of Canada (Communications
+ Research Center Canada)
+
+ Copyright (C) 2017
+ Matthias P. Braendli, matthias.braendli@mpb.li
+ */
+/*
+ This file is part of ODR-DabMux.
+
+ ODR-DabMux is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ ODR-DabMux is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include <cstdint>
+#include <vector>
+#include <memory>
+
+#include "fig/FIG0structs.h"
+
+namespace FIC {
+
+// FIG type 0/21
+// Frequency Information
+class FIG0_21 : public IFIG
+{
+ public:
+ FIG0_21(FIGRuntimeInformation* rti);
+ virtual FillStatus fill(uint8_t *buf, size_t max_size);
+ virtual FIG_rate repetition_rate(void) { return FIG_rate::E; }
+
+ virtual const int figtype(void) const { return 0; }
+ virtual const int figextension(void) const { return 21; }
+
+ private:
+ FIGRuntimeInformation *m_rti;
+
+ bool m_initialised;
+
+ std::vector<std::shared_ptr<FrequencyListEntry> >::iterator
+ freqListEntryFIG0_21;
+};
+
+}
+
diff --git a/src/fig/FIG0structs.h b/src/fig/FIG0structs.h
index 3b9bfbf..f06cc0e 100644
--- a/src/fig/FIG0structs.h
+++ b/src/fig/FIG0structs.h
@@ -3,7 +3,7 @@
2011, 2012 Her Majesty the Queen in Right of Canada (Communications
Research Center Canada)
- Copyright (C) 2016
+ Copyright (C) 2017
Matthias P. Braendli, matthias.braendli@mpb.li
*/
/*
@@ -357,6 +357,7 @@ struct FIG0_13_app {
uint16_t xpad;
} PACKED;
+
#define FIG0_13_APPTYPE_SLIDESHOW 0x2
#define FIG0_13_APPTYPE_WEBSITE 0x3
#define FIG0_13_APPTYPE_TPEG 0x4
@@ -367,6 +368,18 @@ struct FIG0_13_app {
#define FIG0_13_APPTYPE_JOURNALINE 0x441
+struct FIGtype0_21_header {
+ uint16_t rfa:11;
+ uint16_t length_fi:5;
+} PACKED;
+
+struct FIGtype0_21_fi_list_header {
+ uint16_t id;
+ uint8_t range_modulation:4;
+ uint8_t continuity:1;
+ uint8_t length_freq_list:3;
+} PACKED;
+
#ifdef _WIN32
# pragma pack(pop)
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-22 07:35:05 +0000