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-rw-r--r--src/fig/FIG0_21.cpp51
-rw-r--r--src/fig/FIGCarousel.cpp4
2 files changed, 27 insertions, 28 deletions
diff --git a/src/fig/FIG0_21.cpp b/src/fig/FIG0_21.cpp
index 51b4a0d..515e67a 100644
--- a/src/fig/FIG0_21.cpp
+++ b/src/fig/FIG0_21.cpp
@@ -50,7 +50,29 @@ FillStatus FIG0_21::fill(uint8_t *buf, size_t max_size)
for (; freqInfoFIG0_21 != ensemble->frequency_information.end();
++freqInfoFIG0_21) {
- size_t required_size = sizeof(struct FIGtype0_21_header);
+ size_t required_fi_size = 2; // RegionId + length of FI list
+ for (const auto& fle : (*freqInfoFIG0_21)->frequency_information) {
+ size_t list_entry_size = sizeof(FIGtype0_21_fi_list_header);
+ switch (fle.rm) {
+ case RangeModulation::dab_ensemble:
+ list_entry_size += fle.fi_dab.frequencies.size() * 3;
+ break;
+ case RangeModulation::fm_with_rds:
+ list_entry_size += fle.fi_fm.frequencies.size() * 1;
+ break;
+ case RangeModulation::amss:
+ list_entry_size += 1; // Id field 2
+ list_entry_size += fle.fi_amss.frequencies.size() * 2;
+ break;
+ case RangeModulation::drm:
+ list_entry_size += 1; // Id field 2
+ list_entry_size += fle.fi_drm.frequencies.size() * 2;
+ break;
+ }
+ required_fi_size += list_entry_size;
+ }
+
+ const size_t required_size = sizeof(struct FIGtype0_21_header) + required_fi_size;
if (fig0 == nullptr) {
if (remaining < 2 + required_size) {
@@ -70,34 +92,11 @@ FillStatus FIG0_21::fill(uint8_t *buf, size_t max_size)
buf += 2;
remaining -= 2;
}
-
- if (remaining < required_size) {
+ else if (remaining < required_size) {
break;
}
for (const auto& fle : (*freqInfoFIG0_21)->frequency_information) {
- size_t list_entry_size = sizeof(FIGtype0_21_fi_list_header);
- switch (fle.rm) {
- case RangeModulation::dab_ensemble:
- list_entry_size += fle.fi_dab.frequencies.size() * 3;
- break;
- case RangeModulation::fm_with_rds:
- list_entry_size += fle.fi_fm.frequencies.size() * 3;
- break;
- case RangeModulation::amss:
- list_entry_size += 1; // Id field 2
- list_entry_size += fle.fi_amss.frequencies.size() * 3;
- break;
- case RangeModulation::drm:
- list_entry_size += 1; // Id field 2
- list_entry_size += fle.fi_drm.frequencies.size() * 3;
- break;
- }
-
- if (remaining < list_entry_size) {
- break;
- }
-
auto *fig0_21_header = (FIGtype0_21_header*)buf;
fig0_21_header->rfa = 0; // This was RegionId in EN 300 401 V1.4.1
switch (fle.rm) {
@@ -195,7 +194,7 @@ FillStatus FIG0_21::fill(uint8_t *buf, size_t max_size)
remaining -= 2;
}
break;
- }
+ } // switch (RM)
} // for over fle
} // for over FI
diff --git a/src/fig/FIGCarousel.cpp b/src/fig/FIGCarousel.cpp
index 81f2100..6d89ad8 100644
--- a/src/fig/FIGCarousel.cpp
+++ b/src/fig/FIGCarousel.cpp
@@ -286,8 +286,8 @@ size_t FIGCarousel::carousel(
if (written == 1 or written == 2) {
std::stringstream ss;
ss << "Assertion error: FIG" << fig_el->fig->figtype() << "/" <<
- fig_el->fig->figextension() << " wrote not enough data (" <<
- written << ")";
+ fig_el->fig->figextension() <<
+ " did not write enough data: (" << written << ")";
throw std::runtime_error(ss.str());
}