[remote_base] Make protocol methods non-virtual and size receiver lists from codegen

esphome/components/infrared/infrared.cpp

@@ -59,11 +59,6 @@ void Infrared::setup() {
   // Set up traits based on configuration
   this->traits_.set_supports_transmitter(this->has_transmitter());
   this->traits_.set_supports_receiver(this->has_receiver());
-
-  // Register as listener for received IR data
-  if (this->receiver_ != nullptr) {
-    this->receiver_->register_listener(this);
-  }
 }
 
 void Infrared::dump_config() {

esphome/components/ir_rf_proxy/infrared.py

@@ -3,7 +3,12 @@
 from typing import Any
 
 import esphome.codegen as cg
-from esphome.components import infrared, remote_receiver, remote_transmitter
+from esphome.components import (
+    infrared,
+    remote_base,
+    remote_receiver,
+    remote_transmitter,
+)
 from esphome.components.const import CONF_RECEIVER_FREQUENCY
 import esphome.config_validation as cv
 from esphome.const import CONF_CARRIER_DUTY_PERCENT, CONF_FREQUENCY
@@ -84,6 +89,7 @@ async def to_code(config: dict[str, Any]) -> None:
     if CONF_REMOTE_RECEIVER_ID in config:
         receiver = await cg.get_variable(config[CONF_REMOTE_RECEIVER_ID])
         cg.add(var.set_receiver(receiver))
+        remote_base.add_listener(receiver, var)
 
     # Set receiver demodulation frequency if specified (metadata only, no hardware effect)
     if CONF_RECEIVER_FREQUENCY in config:

esphome/components/ir_rf_proxy/ir_rf_proxy.cpp

@@ -97,10 +97,6 @@ void RfProxy::setup() {
 
   // remote_transmitter/receiver always uses OOK (on-off keying)
   this->traits_.add_supported_modulation(radio_frequency::RadioFrequencyModulation::RADIO_FREQUENCY_MODULATION_OOK);
-
-  if (this->receiver_ != nullptr) {
-    this->receiver_->register_listener(this);
-  }
 }
 
 void RfProxy::dump_config() {

esphome/components/ir_rf_proxy/radio_frequency.py

@@ -1,7 +1,12 @@
 """Radio Frequency platform implementation using remote_base (remote_transmitter/receiver)."""
 
 import esphome.codegen as cg
-from esphome.components import radio_frequency, remote_receiver, remote_transmitter
+from esphome.components import (
+    radio_frequency,
+    remote_base,
+    remote_receiver,
+    remote_transmitter,
+)
 import esphome.config_validation as cv
 from esphome.const import CONF_CARRIER_DUTY_PERCENT, CONF_FREQUENCY
 import esphome.final_validate as fv
@@ -68,3 +73,4 @@ async def to_code(config: ConfigType) -> None:
     if CONF_REMOTE_RECEIVER_ID in config:
         receiver = await cg.get_variable(config[CONF_REMOTE_RECEIVER_ID])
         cg.add(var.set_receiver(receiver))
+        remote_base.add_listener(receiver, var)

esphome/components/remote_base/__init__.py

@@ -40,7 +40,9 @@ from esphome.const import (
     CONF_ZERO,
 )
 from esphome.core import ID, coroutine
+from esphome.cpp_generator import MockObj
 from esphome.schema_extractors import SCHEMA_EXTRACT, schema_extractor
+from esphome.types import ConfigType
 from esphome.util import Registry, SimpleRegistry
 
 AUTO_LOAD = ["binary_sensor"]
@@ -90,9 +92,25 @@ REMOTE_TRANSMITTABLE_SCHEMA = cv.Schema(
 )
 
 
-async def register_listener(var, config):
+# Listener and dumper lists are StaticVectors sized from these counts, so every
+# registration must go through add_listener / add_dumper
+_request_listener_slot = cg.slot_counter("REMOTE_BASE_LISTENER_COUNT")
+_request_dumper_slot = cg.slot_counter("REMOTE_BASE_DUMPER_COUNT")
+
+
+def add_listener(receiver: MockObj, listener: MockObj) -> None:
+    _request_listener_slot()
+    cg.add(receiver.register_listener(listener))
+
+
+def add_dumper(receiver: MockObj, dumper: MockObj) -> None:
+    _request_dumper_slot()
+    cg.add(receiver.register_dumper(dumper))
+
+
+async def register_listener(var: MockObj, config: ConfigType) -> None:
     receiver = await cg.get_variable(config[CONF_RECEIVER_ID])
-    cg.add(receiver.register_listener(var))
+    add_listener(receiver, var)
 
 
 async def register_transmittable(var, config):

esphome/components/remote_base/abbwelcome_protocol.h

@@ -191,9 +191,9 @@ class ABBWelcomeData {
 
 class ABBWelcomeProtocol : public RemoteProtocol<ABBWelcomeData> {
  public:
-  void encode(RemoteTransmitData *dst, const ABBWelcomeData &src) override;
-  optional<ABBWelcomeData> decode(RemoteReceiveData src) override;
-  void dump(const ABBWelcomeData &data) override;
+  void encode(RemoteTransmitData *dst, const ABBWelcomeData &src);
+  optional<ABBWelcomeData> decode(RemoteReceiveData src);
+  void dump(const ABBWelcomeData &data);
 
  protected:
   void encode_byte_(RemoteTransmitData *dst, uint8_t data) const;

esphome/components/remote_base/aeha_protocol.h

@@ -15,9 +15,9 @@ struct AEHAData {
 
 class AEHAProtocol : public RemoteProtocol<AEHAData> {
  public:
-  void encode(RemoteTransmitData *dst, const AEHAData &data) override;
-  optional<AEHAData> decode(RemoteReceiveData src) override;
-  void dump(const AEHAData &data) override;
+  void encode(RemoteTransmitData *dst, const AEHAData &data);
+  optional<AEHAData> decode(RemoteReceiveData src);
+  void dump(const AEHAData &data);
 
  private:
   std::string format_data_(const std::vector<uint8_t> &data);

esphome/components/remote_base/beo4_protocol.h

@@ -16,9 +16,9 @@ struct Beo4Data {
 
 class Beo4Protocol : public RemoteProtocol<Beo4Data> {
  public:
-  void encode(RemoteTransmitData *dst, const Beo4Data &data) override;
-  optional<Beo4Data> decode(RemoteReceiveData src) override;
-  void dump(const Beo4Data &data) override;
+  void encode(RemoteTransmitData *dst, const Beo4Data &data);
+  optional<Beo4Data> decode(RemoteReceiveData src);
+  void dump(const Beo4Data &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Beo4)

esphome/components/remote_base/brennenstuhl_protocol.h

@@ -13,9 +13,9 @@ struct BrennenstuhlData {
 
 class BrennenstuhlProtocol : public RemoteProtocol<BrennenstuhlData> {
  public:
-  void encode(RemoteTransmitData *dst, const BrennenstuhlData &data) override;
-  optional<BrennenstuhlData> decode(RemoteReceiveData src) override;
-  void dump(const BrennenstuhlData &data) override;
+  void encode(RemoteTransmitData *dst, const BrennenstuhlData &data);
+  optional<BrennenstuhlData> decode(RemoteReceiveData src);
+  void dump(const BrennenstuhlData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Brennenstuhl)

esphome/components/remote_base/byronsx_protocol.h

@@ -21,9 +21,9 @@ struct ByronSXData {
 
 class ByronSXProtocol : public RemoteProtocol<ByronSXData> {
  public:
-  void encode(RemoteTransmitData *dst, const ByronSXData &data) override;
-  optional<ByronSXData> decode(RemoteReceiveData src) override;
-  void dump(const ByronSXData &data) override;
+  void encode(RemoteTransmitData *dst, const ByronSXData &data);
+  optional<ByronSXData> decode(RemoteReceiveData src);
+  void dump(const ByronSXData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(ByronSX)

esphome/components/remote_base/canalsat_protocol.h

@@ -19,9 +19,9 @@ struct CanalSatLDData : public CanalSatData {};
 
 class CanalSatBaseProtocol : public RemoteProtocol<CanalSatData> {
  public:
-  void encode(RemoteTransmitData *dst, const CanalSatData &data) override;
-  optional<CanalSatData> decode(RemoteReceiveData src) override;
-  void dump(const CanalSatData &data) override;
+  void encode(RemoteTransmitData *dst, const CanalSatData &data);
+  optional<CanalSatData> decode(RemoteReceiveData src);
+  void dump(const CanalSatData &data);
 
  protected:
   uint16_t frequency_;

esphome/components/remote_base/coolix_protocol.h

@@ -21,9 +21,9 @@ struct CoolixData {
 
 class CoolixProtocol : public RemoteProtocol<CoolixData> {
  public:
-  void encode(RemoteTransmitData *dst, const CoolixData &data) override;
-  optional<CoolixData> decode(RemoteReceiveData data) override;
-  void dump(const CoolixData &data) override;
+  void encode(RemoteTransmitData *dst, const CoolixData &data);
+  optional<CoolixData> decode(RemoteReceiveData data);
+  void dump(const CoolixData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Coolix)

esphome/components/remote_base/dish_protocol.h

@@ -13,9 +13,9 @@ struct DishData {
 
 class DishProtocol : public RemoteProtocol<DishData> {
  public:
-  void encode(RemoteTransmitData *dst, const DishData &data) override;
-  optional<DishData> decode(RemoteReceiveData src) override;
-  void dump(const DishData &data) override;
+  void encode(RemoteTransmitData *dst, const DishData &data);
+  optional<DishData> decode(RemoteReceiveData src);
+  void dump(const DishData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Dish)

esphome/components/remote_base/dooya_protocol.h

@@ -20,9 +20,9 @@ struct DooyaData {
 
 class DooyaProtocol : public RemoteProtocol<DooyaData> {
  public:
-  void encode(RemoteTransmitData *dst, const DooyaData &data) override;
-  optional<DooyaData> decode(RemoteReceiveData src) override;
-  void dump(const DooyaData &data) override;
+  void encode(RemoteTransmitData *dst, const DooyaData &data);
+  optional<DooyaData> decode(RemoteReceiveData src);
+  void dump(const DooyaData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Dooya)

esphome/components/remote_base/drayton_protocol.h

@@ -19,9 +19,9 @@ struct DraytonData {
 
 class DraytonProtocol : public RemoteProtocol<DraytonData> {
  public:
-  void encode(RemoteTransmitData *dst, const DraytonData &data) override;
-  optional<DraytonData> decode(RemoteReceiveData src) override;
-  void dump(const DraytonData &data) override;
+  void encode(RemoteTransmitData *dst, const DraytonData &data);
+  optional<DraytonData> decode(RemoteReceiveData src);
+  void dump(const DraytonData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Drayton)

esphome/components/remote_base/dyson_protocol.h

@@ -21,9 +21,9 @@ struct DysonData {
 
 class DysonProtocol : public RemoteProtocol<DysonData> {
  public:
-  void encode(RemoteTransmitData *dst, const DysonData &data) override;
-  optional<DysonData> decode(RemoteReceiveData src) override;
-  void dump(const DysonData &data) override;
+  void encode(RemoteTransmitData *dst, const DysonData &data);
+  optional<DysonData> decode(RemoteReceiveData src);
+  void dump(const DysonData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Dyson)

esphome/components/remote_base/gobox_protocol.h

@@ -31,9 +31,9 @@ class GoboxProtocol : public RemoteProtocol<GoboxData> {
   void dump_timings_(const RawTimings &timings) const;
 
  public:
-  void encode(RemoteTransmitData *dst, const GoboxData &data) override;
-  optional<GoboxData> decode(RemoteReceiveData src) override;
-  void dump(const GoboxData &data) override;
+  void encode(RemoteTransmitData *dst, const GoboxData &data);
+  optional<GoboxData> decode(RemoteReceiveData src);
+  void dump(const GoboxData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Gobox)

esphome/components/remote_base/haier_protocol.h

@@ -13,9 +13,9 @@ struct HaierData {
 
 class HaierProtocol : public RemoteProtocol<HaierData> {
  public:
-  void encode(RemoteTransmitData *dst, const HaierData &data) override;
-  optional<HaierData> decode(RemoteReceiveData src) override;
-  void dump(const HaierData &data) override;
+  void encode(RemoteTransmitData *dst, const HaierData &data);
+  optional<HaierData> decode(RemoteReceiveData src);
+  void dump(const HaierData &data);
 
  protected:
   void encode_byte_(RemoteTransmitData *dst, uint8_t item);

esphome/components/remote_base/jvc_protocol.h

@@ -14,9 +14,9 @@ struct JVCData {
 
 class JVCProtocol : public RemoteProtocol<JVCData> {
  public:
-  void encode(RemoteTransmitData *dst, const JVCData &data) override;
-  optional<JVCData> decode(RemoteReceiveData src) override;
-  void dump(const JVCData &data) override;
+  void encode(RemoteTransmitData *dst, const JVCData &data);
+  optional<JVCData> decode(RemoteReceiveData src);
+  void dump(const JVCData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(JVC)

esphome/components/remote_base/keeloq_protocol.h

@@ -24,9 +24,9 @@ struct KeeloqData {
 
 class KeeloqProtocol : public RemoteProtocol<KeeloqData> {
  public:
-  void encode(RemoteTransmitData *dst, const KeeloqData &data) override;
-  optional<KeeloqData> decode(RemoteReceiveData src) override;
-  void dump(const KeeloqData &data) override;
+  void encode(RemoteTransmitData *dst, const KeeloqData &data);
+  optional<KeeloqData> decode(RemoteReceiveData src);
+  void dump(const KeeloqData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Keeloq)

esphome/components/remote_base/lg_protocol.h

@@ -16,9 +16,9 @@ struct LGData {
 
 class LGProtocol : public RemoteProtocol<LGData> {
  public:
-  void encode(RemoteTransmitData *dst, const LGData &data) override;
-  optional<LGData> decode(RemoteReceiveData src) override;
-  void dump(const LGData &data) override;
+  void encode(RemoteTransmitData *dst, const LGData &data);
+  optional<LGData> decode(RemoteReceiveData src);
+  void dump(const LGData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(LG)

esphome/components/remote_base/magiquest_protocol.h

@@ -27,9 +27,9 @@ struct MagiQuestData {
 
 class MagiQuestProtocol : public RemoteProtocol<MagiQuestData> {
  public:
-  void encode(RemoteTransmitData *dst, const MagiQuestData &data) override;
-  optional<MagiQuestData> decode(RemoteReceiveData src) override;
-  void dump(const MagiQuestData &data) override;
+  void encode(RemoteTransmitData *dst, const MagiQuestData &data);
+  optional<MagiQuestData> decode(RemoteReceiveData src);
+  void dump(const MagiQuestData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(MagiQuest)

esphome/components/remote_base/midea_protocol.h

@@ -67,9 +67,9 @@ class MideaData {
 
 class MideaProtocol : public RemoteProtocol<MideaData> {
  public:
-  void encode(RemoteTransmitData *dst, const MideaData &src) override;
-  optional<MideaData> decode(RemoteReceiveData src) override;
-  void dump(const MideaData &data) override;
+  void encode(RemoteTransmitData *dst, const MideaData &src);
+  optional<MideaData> decode(RemoteReceiveData src);
+  void dump(const MideaData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Midea)

esphome/components/remote_base/mirage_protocol.h

@@ -13,9 +13,9 @@ struct MirageData {
 
 class MirageProtocol : public RemoteProtocol<MirageData> {
  public:
-  void encode(RemoteTransmitData *dst, const MirageData &data) override;
-  optional<MirageData> decode(RemoteReceiveData src) override;
-  void dump(const MirageData &data) override;
+  void encode(RemoteTransmitData *dst, const MirageData &data);
+  optional<MirageData> decode(RemoteReceiveData src);
+  void dump(const MirageData &data);
 
  protected:
   void encode_byte_(RemoteTransmitData *dst, uint8_t item);

esphome/components/remote_base/nec_protocol.h

@@ -14,9 +14,9 @@ struct NECData {
 
 class NECProtocol : public RemoteProtocol<NECData> {
  public:
-  void encode(RemoteTransmitData *dst, const NECData &data) override;
-  optional<NECData> decode(RemoteReceiveData src) override;
-  void dump(const NECData &data) override;
+  void encode(RemoteTransmitData *dst, const NECData &data);
+  optional<NECData> decode(RemoteReceiveData src);
+  void dump(const NECData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(NEC)

esphome/components/remote_base/nexa_protocol.h

@@ -24,9 +24,9 @@ class NexaProtocol : public RemoteProtocol<NexaData> {
   void zero(RemoteTransmitData *dst) const;
   void sync(RemoteTransmitData *dst) const;
 
-  void encode(RemoteTransmitData *dst, const NexaData &data) override;
-  optional<NexaData> decode(RemoteReceiveData src) override;
-  void dump(const NexaData &data) override;
+  void encode(RemoteTransmitData *dst, const NexaData &data);
+  optional<NexaData> decode(RemoteReceiveData src);
+  void dump(const NexaData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Nexa)

esphome/components/remote_base/panasonic_protocol.h

@@ -16,9 +16,9 @@ struct PanasonicData {
 
 class PanasonicProtocol : public RemoteProtocol<PanasonicData> {
  public:
-  void encode(RemoteTransmitData *dst, const PanasonicData &data) override;
-  optional<PanasonicData> decode(RemoteReceiveData src) override;
-  void dump(const PanasonicData &data) override;
+  void encode(RemoteTransmitData *dst, const PanasonicData &data);
+  optional<PanasonicData> decode(RemoteReceiveData src);
+  void dump(const PanasonicData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Panasonic)

esphome/components/remote_base/pioneer_protocol.h

@@ -13,9 +13,9 @@ struct PioneerData {
 
 class PioneerProtocol : public RemoteProtocol<PioneerData> {
  public:
-  void encode(RemoteTransmitData *dst, const PioneerData &data) override;
-  optional<PioneerData> decode(RemoteReceiveData src) override;
-  void dump(const PioneerData &data) override;
+  void encode(RemoteTransmitData *dst, const PioneerData &data);
+  optional<PioneerData> decode(RemoteReceiveData src);
+  void dump(const PioneerData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Pioneer)

esphome/components/remote_base/pronto_protocol.h

@@ -30,9 +30,9 @@ class ProntoProtocol : public RemoteProtocol<ProntoData> {
   std::string compensate_and_dump_sequence_(const RawTimings &data, uint16_t timebase);
 
  public:
-  void encode(RemoteTransmitData *dst, const ProntoData &data) override;
-  optional<ProntoData> decode(RemoteReceiveData src) override;
-  void dump(const ProntoData &data) override;
+  void encode(RemoteTransmitData *dst, const ProntoData &data);
+  optional<ProntoData> decode(RemoteReceiveData src);
+  void dump(const ProntoData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Pronto)

esphome/components/remote_base/rc5_protocol.h

@@ -14,9 +14,9 @@ struct RC5Data {
 
 class RC5Protocol : public RemoteProtocol<RC5Data> {
  public:
-  void encode(RemoteTransmitData *dst, const RC5Data &data) override;
-  optional<RC5Data> decode(RemoteReceiveData src) override;
-  void dump(const RC5Data &data) override;
+  void encode(RemoteTransmitData *dst, const RC5Data &data);
+  optional<RC5Data> decode(RemoteReceiveData src);
+  void dump(const RC5Data &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(RC5)

esphome/components/remote_base/rc6_protocol.h

@@ -15,9 +15,9 @@ struct RC6Data {
 
 class RC6Protocol : public RemoteProtocol<RC6Data> {
  public:
-  void encode(RemoteTransmitData *dst, const RC6Data &data) override;
-  optional<RC6Data> decode(RemoteReceiveData src) override;
-  void dump(const RC6Data &data) override;
+  void encode(RemoteTransmitData *dst, const RC6Data &data);
+  optional<RC6Data> decode(RemoteReceiveData src);
+  void dump(const RC6Data &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(RC6)

esphome/components/remote_base/rc_switch_protocol.cpp

@@ -5,26 +5,6 @@ namespace esphome::remote_base {
 
 static const char *const TAG = "remote.rc_switch";
 
-const RCSwitchBase RC_SWITCH_PROTOCOLS[9] = {RCSwitchBase(0, 0, 0, 0, 0, 0, false),
-                                             RCSwitchBase(350, 10850, 350, 1050, 1050, 350, false),
-                                             RCSwitchBase(650, 6500, 650, 1300, 1300, 650, false),
-                                             RCSwitchBase(3000, 7100, 400, 1100, 900, 600, false),
-                                             RCSwitchBase(380, 2280, 380, 1140, 1140, 380, false),
-                                             RCSwitchBase(3000, 7000, 500, 1000, 1000, 500, false),
-                                             RCSwitchBase(10350, 450, 450, 900, 900, 450, true),
-                                             RCSwitchBase(300, 9300, 150, 900, 900, 150, false),
-                                             RCSwitchBase(250, 2500, 250, 1250, 250, 250, false)};
-
-RCSwitchBase::RCSwitchBase(uint32_t sync_high, uint32_t sync_low, uint32_t zero_high, uint32_t zero_low,
-                           uint32_t one_high, uint32_t one_low, bool inverted)
-    : sync_high_(sync_high),
-      sync_low_(sync_low),
-      zero_high_(zero_high),
-      zero_low_(zero_low),
-      one_high_(one_high),
-      one_low_(one_low),
-      inverted_(inverted) {}
-
 void RCSwitchBase::one(RemoteTransmitData *dst) const {
   if (!this->inverted_) {
     dst->mark(this->one_high_);

esphome/components/remote_base/rc_switch_protocol.h

@@ -16,9 +16,16 @@ class RCSwitchBase {
  public:
   using ProtocolData = RCSwitchData;
 
-  RCSwitchBase() = default;
-  RCSwitchBase(uint32_t sync_high, uint32_t sync_low, uint32_t zero_high, uint32_t zero_low, uint32_t one_high,
-               uint32_t one_low, bool inverted);
+  constexpr RCSwitchBase() = default;
+  constexpr RCSwitchBase(uint32_t sync_high, uint32_t sync_low, uint32_t zero_high, uint32_t zero_low,
+                         uint32_t one_high, uint32_t one_low, bool inverted)
+      : sync_high_(sync_high),
+        sync_low_(sync_low),
+        zero_high_(zero_high),
+        zero_low_(zero_low),
+        one_high_(one_high),
+        one_low_(one_low),
+        inverted_(inverted) {}
 
   void one(RemoteTransmitData *dst) const;
 
@@ -61,7 +68,18 @@ class RCSwitchBase {
   bool inverted_{};
 };
 
-extern const RCSwitchBase RC_SWITCH_PROTOCOLS[9];
+// Constant-initialized: no global constructor, and in flash on platforms that map .rodata there
+inline constexpr RCSwitchBase RC_SWITCH_PROTOCOLS[] = {
+    {0, 0, 0, 0, 0, 0, false},
+    {350, 10850, 350, 1050, 1050, 350, false},
+    {650, 6500, 650, 1300, 1300, 650, false},
+    {3000, 7100, 400, 1100, 900, 600, false},
+    {380, 2280, 380, 1140, 1140, 380, false},
+    {3000, 7000, 500, 1000, 1000, 500, false},
+    {10350, 450, 450, 900, 900, 450, true},
+    {300, 9300, 150, 900, 900, 150, false},
+    {250, 2500, 250, 1250, 250, 250, false},
+};
 
 uint64_t decode_binary_string(const std::string &data);
 

esphome/components/remote_base/remote_base.cpp

@@ -99,29 +99,30 @@ bool RemoteReceiverBinarySensorBase::on_receive(RemoteReceiveData src) {
 
 /* RemoteReceiverBase */
 
+#ifdef REMOTE_BASE_DUMPER_COUNT
 void RemoteReceiverBase::register_dumper(RemoteReceiverDumperBase *dumper) {
   if (dumper->is_secondary()) {
-    this->secondary_dumpers_.push_back(dumper);
+    this->secondary_dumper_ = dumper;
   } else {
     this->dumpers_.push_back(dumper);
   }
 }
+#endif
 
-void RemoteReceiverBase::call_listeners_() {
+void RemoteReceiverBase::call_listeners_dumpers_() {
+#ifdef REMOTE_BASE_LISTENER_COUNT
   for (auto *listener : this->listeners_)
     listener->on_receive(RemoteReceiveData(this->temp_, this->tolerance_, this->tolerance_mode_));
-}
-
-void RemoteReceiverBase::call_dumpers_() {
+#endif
+#ifdef REMOTE_BASE_DUMPER_COUNT
   bool success = false;
   for (auto *dumper : this->dumpers_) {
     if (dumper->dump(RemoteReceiveData(this->temp_, this->tolerance_, this->tolerance_mode_)))
       success = true;
   }
-  if (!success) {
-    for (auto *dumper : this->secondary_dumpers_)
-      dumper->dump(RemoteReceiveData(this->temp_, this->tolerance_, this->tolerance_mode_));
-  }
+  if (!success && this->secondary_dumper_ != nullptr)
+    this->secondary_dumper_->dump(RemoteReceiveData(this->temp_, this->tolerance_, this->tolerance_mode_));
+#endif
 }
 
 void RemoteReceiverBinarySensorBase::dump_config() { LOG_BINARY_SENSOR("", "Remote Receiver Binary Sensor", this); }

esphome/components/remote_base/remote_base.h

@@ -7,6 +7,7 @@
 #include "esphome/core/automation.h"
 #include "esphome/core/component.h"
 #include "esphome/core/hal.h"
+#include "esphome/core/helpers.h"
 
 namespace esphome::remote_base {
 
@@ -194,24 +195,27 @@ class RemoteReceiverDumperBase {
 class RemoteReceiverBase : public RemoteComponentBase {
  public:
   RemoteReceiverBase(InternalGPIOPin *pin) : RemoteComponentBase(pin) {}
+#ifdef REMOTE_BASE_LISTENER_COUNT
   void register_listener(RemoteReceiverListener *listener) { this->listeners_.push_back(listener); }
+#endif
+#ifdef REMOTE_BASE_DUMPER_COUNT
   void register_dumper(RemoteReceiverDumperBase *dumper);
+#endif
   void set_tolerance(uint32_t tolerance, ToleranceMode tolerance_mode) {
     this->tolerance_ = tolerance;
     this->tolerance_mode_ = tolerance_mode;
   }
 
  protected:
-  void call_listeners_();
-  void call_dumpers_();
-  void call_listeners_dumpers_() {
-    this->call_listeners_();
-    this->call_dumpers_();
-  }
+  void call_listeners_dumpers_();
 
-  std::vector<RemoteReceiverListener *> listeners_;
-  std::vector<RemoteReceiverDumperBase *> dumpers_;
-  std::vector<RemoteReceiverDumperBase *> secondary_dumpers_;
+#ifdef REMOTE_BASE_LISTENER_COUNT
+  StaticVector<RemoteReceiverListener *, REMOTE_BASE_LISTENER_COUNT> listeners_;
+#endif
+#ifdef REMOTE_BASE_DUMPER_COUNT
+  StaticVector<RemoteReceiverDumperBase *, REMOTE_BASE_DUMPER_COUNT> dumpers_;
+  RemoteReceiverDumperBase *secondary_dumper_{nullptr};  // runs only when no primary dumper matched
+#endif
   RawTimings temp_;
   uint32_t tolerance_{25};
   ToleranceMode tolerance_mode_{TOLERANCE_MODE_PERCENTAGE};
@@ -229,12 +233,10 @@ class RemoteReceiverBinarySensorBase : public binary_sensor::BinarySensorInitial
 
 /* TEMPLATES */
 
+// Protocols are used only through their concrete type; encode/decode/dump stay non-virtual so unused ones link out
 template<typename T> class RemoteProtocol {
  public:
   using ProtocolData = T;
-  virtual void encode(RemoteTransmitData *dst, const ProtocolData &data) = 0;
-  virtual optional<ProtocolData> decode(RemoteReceiveData src) = 0;
-  virtual void dump(const ProtocolData &data) = 0;
 };
 
 template<typename T> class RemoteReceiverBinarySensor : public RemoteReceiverBinarySensorBase {

esphome/components/remote_base/roomba_protocol.h

@@ -12,9 +12,9 @@ struct RoombaData {
 
 class RoombaProtocol : public RemoteProtocol<RoombaData> {
  public:
-  void encode(RemoteTransmitData *dst, const RoombaData &data) override;
-  optional<RoombaData> decode(RemoteReceiveData src) override;
-  void dump(const RoombaData &data) override;
+  void encode(RemoteTransmitData *dst, const RoombaData &data);
+  optional<RoombaData> decode(RemoteReceiveData src);
+  void dump(const RoombaData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Roomba)

esphome/components/remote_base/samsung36_protocol.h

@@ -16,9 +16,9 @@ struct Samsung36Data {
 
 class Samsung36Protocol : public RemoteProtocol<Samsung36Data> {
  public:
-  void encode(RemoteTransmitData *dst, const Samsung36Data &data) override;
-  optional<Samsung36Data> decode(RemoteReceiveData src) override;
-  void dump(const Samsung36Data &data) override;
+  void encode(RemoteTransmitData *dst, const Samsung36Data &data);
+  optional<Samsung36Data> decode(RemoteReceiveData src);
+  void dump(const Samsung36Data &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Samsung36)

esphome/components/remote_base/samsung_protocol.h

@@ -14,9 +14,9 @@ struct SamsungData {
 
 class SamsungProtocol : public RemoteProtocol<SamsungData> {
  public:
-  void encode(RemoteTransmitData *dst, const SamsungData &data) override;
-  optional<SamsungData> decode(RemoteReceiveData src) override;
-  void dump(const SamsungData &data) override;
+  void encode(RemoteTransmitData *dst, const SamsungData &data);
+  optional<SamsungData> decode(RemoteReceiveData src);
+  void dump(const SamsungData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Samsung)

esphome/components/remote_base/sony_protocol.h

@@ -16,9 +16,9 @@ struct SonyData {
 
 class SonyProtocol : public RemoteProtocol<SonyData> {
  public:
-  void encode(RemoteTransmitData *dst, const SonyData &data) override;
-  optional<SonyData> decode(RemoteReceiveData src) override;
-  void dump(const SonyData &data) override;
+  void encode(RemoteTransmitData *dst, const SonyData &data);
+  optional<SonyData> decode(RemoteReceiveData src);
+  void dump(const SonyData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Sony)

esphome/components/remote_base/symphony_protocol.h

@@ -17,9 +17,9 @@ struct SymphonyData {
 
 class SymphonyProtocol : public RemoteProtocol<SymphonyData> {
  public:
-  void encode(RemoteTransmitData *dst, const SymphonyData &data) override;
-  optional<SymphonyData> decode(RemoteReceiveData src) override;
-  void dump(const SymphonyData &data) override;
+  void encode(RemoteTransmitData *dst, const SymphonyData &data);
+  optional<SymphonyData> decode(RemoteReceiveData src);
+  void dump(const SymphonyData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Symphony)

esphome/components/remote_base/toshiba_ac_protocol.h

@@ -14,9 +14,9 @@ struct ToshibaAcData {
 
 class ToshibaAcProtocol : public RemoteProtocol<ToshibaAcData> {
  public:
-  void encode(RemoteTransmitData *dst, const ToshibaAcData &data) override;
-  optional<ToshibaAcData> decode(RemoteReceiveData src) override;
-  void dump(const ToshibaAcData &data) override;
+  void encode(RemoteTransmitData *dst, const ToshibaAcData &data);
+  optional<ToshibaAcData> decode(RemoteReceiveData src);
+  void dump(const ToshibaAcData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(ToshibaAc)

esphome/components/remote_base/toto_protocol.h

@@ -16,9 +16,9 @@ struct TotoData {
 
 class TotoProtocol : public RemoteProtocol<TotoData> {
  public:
-  void encode(RemoteTransmitData *dst, const TotoData &data) override;
-  optional<TotoData> decode(RemoteReceiveData src) override;
-  void dump(const TotoData &data) override;
+  void encode(RemoteTransmitData *dst, const TotoData &data);
+  optional<TotoData> decode(RemoteReceiveData src);
+  void dump(const TotoData &data);
 };
 
 DECLARE_REMOTE_PROTOCOL(Toto)

esphome/components/remote_receiver/__init__.py

@@ -221,11 +221,11 @@ async def to_code(config: ConfigType) -> None:
 
     dumpers = await remote_base.build_dumpers(config[CONF_DUMP])
     for dumper in dumpers:
-        cg.add(var.register_dumper(dumper))
+        remote_base.add_dumper(var, dumper)
 
     triggers = await remote_base.build_triggers(config)
     for trigger in triggers:
-        cg.add(var.register_listener(trigger))
+        remote_base.add_listener(var, trigger)
     await cg.register_component(var, config)
 
     cg.add(

esphome/core/defines.h

@@ -137,6 +137,8 @@
 #define MICRONOVA_LISTENER_COUNT 1
 #define USE_MICRONOVA_WRITER
 #define MK2PVROUTER_LISTENER_COUNT 1
+#define REMOTE_BASE_DUMPER_COUNT 1
+#define REMOTE_BASE_LISTENER_COUNT 1
 #define SERIAL_PROXY_COUNT 2
 #define SNTP_SERVER_COUNT 3
 #define USE_MEDIA_PLAYER

tests/component_tests/remote_receiver/config/receiver_bare.yaml

@@ -0,0 +1,9 @@
+esphome:
+  name: test
+
+esp32:
+  board: esp32dev
+
+remote_receiver:
+  - id: rcvr
+    pin: GPIO4

tests/component_tests/remote_receiver/config/receiver_with_dumpers.yaml

@@ -0,0 +1,24 @@
+esphome:
+  name: test
+
+esp32:
+  board: esp32dev
+
+logger:
+
+remote_receiver:
+  - id: rcvr
+    pin: GPIO4
+    dump:
+      - nec
+      - rc_switch
+    on_nec:
+      then:
+        - logger.log: nec
+
+binary_sensor:
+  - platform: remote_receiver
+    name: Remote Input
+    nec:
+      address: 0x1234
+      command: 0x5678

tests/component_tests/remote_receiver/config/receiver_with_proxies.yaml

@@ -0,0 +1,20 @@
+esphome:
+  name: test
+
+esp32:
+  board: esp32dev
+
+remote_receiver:
+  - id: rcvr
+    pin: GPIO4
+
+infrared:
+  - platform: ir_rf_proxy
+    name: IR Receiver
+    remote_receiver_id: rcvr
+
+radio_frequency:
+  - platform: ir_rf_proxy
+    name: RF Receiver
+    frequency: 433.92MHz
+    remote_receiver_id: rcvr

tests/component_tests/remote_receiver/test_slot_counts.py

@@ -0,0 +1,36 @@
+"""Listener and dumper StaticVector sizes come from codegen slot counts."""
+
+from collections.abc import Callable
+from pathlib import Path
+
+from ..helpers import get_define_value
+
+
+def test_dumper_and_listener_counts(
+    generate_main: Callable[[str | Path], str],
+    component_config_path: Callable[[str], Path],
+) -> None:
+    generate_main(component_config_path("receiver_with_dumpers.yaml"))
+    # nec and rc_switch dumpers
+    assert get_define_value("REMOTE_BASE_DUMPER_COUNT") == "2"
+    # on_nec trigger plus the remote_receiver binary sensor
+    assert get_define_value("REMOTE_BASE_LISTENER_COUNT") == "2"
+
+
+def test_bare_receiver_emits_no_counts(
+    generate_main: Callable[[str | Path], str],
+    component_config_path: Callable[[str], Path],
+) -> None:
+    generate_main(component_config_path("receiver_bare.yaml"))
+    assert get_define_value("REMOTE_BASE_DUMPER_COUNT") is None
+    assert get_define_value("REMOTE_BASE_LISTENER_COUNT") is None
+
+
+def test_proxy_receivers_count_as_listeners(
+    generate_main: Callable[[str | Path], str],
+    component_config_path: Callable[[str], Path],
+) -> None:
+    generate_main(component_config_path("receiver_with_proxies.yaml"))
+    # infrared and radio_frequency ir_rf_proxy platforms each listen
+    assert get_define_value("REMOTE_BASE_LISTENER_COUNT") == "2"
+    assert get_define_value("REMOTE_BASE_DUMPER_COUNT") is None