Merge pull request #212 from jpcima/opcode-cleanup

Opcode cleanup

scripts/generate_re2c.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+if ! test -d "src"; then
+    echo "Please run this in the project root directory."
+    exit 1
+fi
+
+for src in src/sfizz/OpcodeCleanup.re; do
+  re2c -o "${src%.re}.cpp" "$src"
+done

src/CMakeLists.txt

@@ -45,7 +45,7 @@ sfizz_add_simd_sources (SFIZZ_SOURCES ".")
 # Parser core library
 add_library (sfizz_parser STATIC)
 target_sources (sfizz_parser PRIVATE
-    sfizz/Parser.cpp sfizz/Opcode.cpp sfizz/SfzHelpers.cpp
+    sfizz/Parser.cpp sfizz/Opcode.cpp sfizz/OpcodeCleanup.cpp sfizz/SfzHelpers.cpp
     sfizz/parser/Parser.cpp sfizz/parser/ParserPrivate.cpp)
 target_include_directories (sfizz_parser PUBLIC sfizz)
 target_include_directories (sfizz_parser PUBLIC external)

src/sfizz/Opcode.h

@@ -36,6 +36,18 @@ enum OpcodeCategory {
     kOpcodeSmoothCcN,
 };
 
+/**
+ * @brief A scope where an opcode may appear.
+ */
+enum OpcodeScope {
+    //! unknown scope or other
+    kOpcodeScopeGeneric,
+    //! region scope
+    kOpcodeScopeRegion,
+    //! effect scope
+    kOpcodeScopeEffect,
+};
+
 /**
  * @brief Opcode description class. The class parses the parameters
  * of the opcode on construction.
@@ -51,6 +63,15 @@ struct Opcode {
     std::vector<uint16_t> parameters;
     OpcodeCategory category;
 
+    /*
+     * @brief Normalize in order to make the ampersand-name unique, and
+     * facilitate subsequent processing.
+     *
+     * @param scope scope where this opcode appears
+     * @return normalized opcode
+     */
+    Opcode cleanUp(OpcodeScope scope) const;
+
     /*
      * @brief Get the derived opcode name to convert it to another category.
      *

src/sfizz/OpcodeCleanup.re

@@ -0,0 +1,172 @@
+/* -*- mode: c++; -*- */
+// SPDX-License-Identifier: BSD-2-Clause
+
+// This code is part of the sfizz library and is licensed under a BSD 2-clause
+// license. You should have receive a LICENSE.md file along with the code.
+// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
+
+#include "Opcode.h"
+#include "absl/strings/string_view.h"
+#include "absl/strings/str_cat.h"
+#include <string>
+
+namespace sfz {
+
+static std::string cleanUpOpcodeName(absl::string_view rawOpcode, OpcodeScope scope)
+{
+    std::string opcode { rawOpcode };
+
+    /*!re2c
+    re2c:flags:posix-captures = 1;
+    re2c:define:YYCTYPE = char;
+    re2c:yyfill:enable = 0;
+    */
+    /*!maxnmatch:re2c*/
+
+    const char* YYCURSOR;
+    const char* YYMARKER;
+    const char* yypmatch[2 * YYMAXNMATCH];
+    size_t yynmatch;
+
+    /*!stags:re2c format = "const char* @@; "; */
+
+    auto group = [&yypmatch](size_t i) -> absl::string_view {
+        const char *beg = yypmatch[2 * i];
+        const char *end = yypmatch[2 * i + 1];
+        return absl::string_view(beg, end - beg);
+    };
+
+    /*!re2c
+    digit = [0-9];
+    number = digit+;
+    any = [^\x00]*;
+    END = [\x00];
+    */
+
+    //--------------------------------------------------------------------------
+
+    YYCURSOR = opcode.c_str();
+
+    /*!re2c
+
+    (any) "_cc" (number) END {
+        opcode = absl::StrCat(group(1), "_oncc", group(2));
+        goto end_generic;
+    }
+
+    * {
+        goto end_generic;
+    }
+
+    */
+
+end_generic:
+    /* end */;
+
+    //--------------------------------------------------------------------------
+
+    if (scope == kOpcodeScopeRegion) {
+
+    YYCURSOR = opcode.c_str();
+
+    /*!re2c
+
+    lfoV1 = "amplfo"|"fillfo"|"pitchlfo";
+    egV1 = "ampeg"|"fileg"|"pitcheg";
+    eqV1 = "eq" number;
+    lfoV2 = "lfo" number;
+
+    (lfoV1) "_" ("depth"|"freq"|"fade") "cc" (number) END {
+        opcode = absl::StrCat(group(1), "_", group(2), "_oncc", group(3));
+        goto end_region;
+    }
+    (egV1) "_" ("delay"|"start"|"attack"|"hold"|"decay"|"sustain"|"release") "cc" (number) END {
+        opcode = absl::StrCat(group(1), "_", group(2), "_oncc", group(3));
+        goto end_region;
+    }
+    (eqV1) "_" ("bw"|"freq"|"gain") "cc" (number) END {
+        opcode = absl::StrCat(group(1), "_", group(2), "_oncc", group(3));
+        goto end_region;
+    }
+    (lfoV2) "_" ("wave"|"offset"|"ratio"|"scale") END {
+        opcode = absl::StrCat(group(1), "_", group(2), "1");
+        goto end_region;
+    }
+
+    "loop" ("mode"|"start"|"end") END {
+        opcode = absl::StrCat("loop_", group(1));
+        goto end_region;
+    }
+    "off" ("by"|"mode") END {
+        opcode = absl::StrCat("off_", group(1));
+        goto end_region;
+    }
+    "bend" ("up"|"down") END {
+        opcode = absl::StrCat("bend_", group(1));
+        goto end_region;
+    }
+    "filtype" END {
+        opcode = absl::StrCat("fil1_type");
+        goto end_region;
+    }
+    "fil" (number) "type" END {
+        opcode = absl::StrCat("fil", group(1), "_type");
+        goto end_region;
+    }
+
+    "polyphony_group" END {
+        opcode = "group";
+        goto end_region;
+    }
+
+    "gain" ("_" any)? END {
+        opcode = absl::StrCat("volume", group(1));
+        goto end_region;
+    }
+    "tune" ("_" any)? END {
+        opcode = absl::StrCat("pitch", group(1));
+        goto end_region;
+    }
+
+    "on_" ("hi"|"lo") "cc" (number) END {
+        opcode = absl::StrCat("start_", group(1), "cc", group(2));
+        goto end_region;
+    }
+
+    "fil_" (any) END {
+        opcode = absl::StrCat("fil1_", group(1));
+        goto end_region;
+    }
+    "cutoff" ("_" any)? END {
+        opcode = absl::StrCat("cutoff1", group(1));
+        goto end_region;
+    }
+    "resonance" ("_" any)? END {
+        opcode = absl::StrCat("resonance1", group(1));
+        goto end_region;
+    }
+
+    * {
+        goto end_region;
+    }
+
+    */
+
+end_region:
+    /* end */;
+
+    } // scope == kOpcodeScopeRegion
+
+    //--------------------------------------------------------------------------
+
+    #undef YYMAXNMATCH
+
+    return opcode;
+}
+
+Opcode Opcode::cleanUp(OpcodeScope scope) const
+{
+    return Opcode(cleanUpOpcodeName(opcode, scope), value);
+}
+
+} // namespace sfz

src/sfizz/Region.cpp

@@ -31,8 +31,10 @@ bool extendIfNecessary(std::vector<T>& vec, unsigned size, unsigned defaultCapac
     return true;
 }
 
-bool sfz::Region::parseOpcode(const Opcode& opcode)
+bool sfz::Region::parseOpcode(const Opcode& rawOpcode)
 {
+    const Opcode opcode = rawOpcode.cleanUp(kOpcodeScopeRegion);
+
     switch (opcode.lettersOnlyHash) {
     // Sound source: sample playback
     case hash("sample"):
@@ -65,7 +67,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
     case hash("offset_random"):
         setValueFromOpcode(opcode, offsetRandom, Default::offsetRange);
         break;
-    case hash("offset_cc&"):
+    case hash("offset_oncc&"): // also offset_cc&
         if (opcode.parameters.back() > config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::offsetCCRange))
@@ -77,8 +79,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
     case hash("count"):
         setValueFromOpcode(opcode, sampleCount, Default::sampleCountRange);
         break;
-    case hash("loopmode"): // fallthrough
-    case hash("loop_mode"):
+    case hash("loop_mode"): // also loopmode
         switch (hash(opcode.value)) {
         case hash("no_loop"):
             loopMode = SfzLoopMode::no_loop;
@@ -96,12 +97,10 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             DBG("Unkown loop mode:" << std::string(opcode.value));
         }
         break;
-    case hash("loopend"): // fallthrough
-    case hash("loop_end"):
+    case hash("loop_end"): // also loopend
         setRangeEndFromOpcode(opcode, loopRange, Default::loopRange);
         break;
-    case hash("loopstart"): // fallthrough
-    case hash("loop_start"):
+    case hash("loop_start"): // also loopstart
         setRangeStartFromOpcode(opcode, loopRange, Default::loopRange);
         break;
 
@@ -121,15 +120,13 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
         break;
 
     // Instrument settings: voice lifecycle
-    case hash("group"): // fallthrough
-    case hash("polyphony_group"):
+    case hash("group"): // also polyphony_group
         setValueFromOpcode(opcode, group, Default::groupRange);
         break;
-    case hash("offby"): // fallthrough
-    case hash("off_by"):
+    case hash("off_by"): // also offby
         setValueFromOpcode(opcode, offBy, Default::groupRange);
         break;
-    case hash("off_mode"):
+    case hash("off_mode"): // also offmode
         switch (hash(opcode.value)) {
         case hash("fast"):
             offMode = SfzOffMode::fast;
@@ -292,15 +289,13 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             DBG("Unknown trigger mode: " << std::string(opcode.value));
         }
         break;
-    case hash("on_locc&"): // fallthrough
-    case hash("start_locc&"):
+    case hash("start_locc&"): // also on_locc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::midi7Range))
             ccTriggers[opcode.parameters.back()].setStart(normalizeCC(*value));
         break;
-    case hash("on_hicc&"): // fallthrough
-    case hash("start_hicc&"):
+    case hash("start_hicc&"): // also on_hicc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::midi7Range))
@@ -308,30 +303,28 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
         break;
 
     // Performance parameters: amplifier
-    case hash("volume"):
+    case hash("volume"): // also gain
         setValueFromOpcode(opcode, volume, Default::volumeRange);
         break;
-    case hash("volume_curvecc&"):
+    case hash("volume_curvecc&"): // also gain_curvecc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::curveCCRange))
             volumeCC[opcode.parameters.back()].curve = *value;
         break;
-    case hash("volume_stepcc&"):
+    case hash("volume_stepcc&"): // also gain_stepcc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::volumeStepRange))
             volumeCC[opcode.parameters.back()].step = *value;
         break;
-    case hash("volume_smoothcc&"):
+    case hash("volume_smoothcc&"): // also gain_smoothcc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::smoothCCRange))
             volumeCC[opcode.parameters.back()].smooth = *value;
         break;
-    case hash("gain_cc&"):
-    case hash("gain_oncc&"): // fallthrough
-    case hash("volume_oncc&"):
+    case hash("volume_oncc&"): // also gain_oncc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::volumeCCRange))
@@ -359,8 +352,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
         if (auto value = readOpcode(opcode.value, Default::smoothCCRange))
             amplitudeCC[opcode.parameters.back()].smooth = *value;
         break;
-    case hash("amplitude_cc&"): // fallthrough
-    case hash("amplitude_oncc&"):
+    case hash("amplitude_oncc&"): // also amplitude_cc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::amplitudeRange))
@@ -388,8 +380,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
         if (auto value = readOpcode(opcode.value, Default::smoothCCRange))
             panCC[opcode.parameters.back()].smooth = *value;
         break;
-    case hash("pan_cc&"):
-    case hash("pan_oncc&"):
+    case hash("pan_oncc&"): // also pan_cc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::panCCRange))
@@ -417,8 +408,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
         if (auto value = readOpcode(opcode.value, Default::smoothCCRange))
             positionCC[opcode.parameters.back()].smooth = *value;
         break;
-    case hash("position_cc&"): // fallthrough
-    case hash("position_oncc&"):
+    case hash("position_oncc&"): // also position_cc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::positionCCRange))
@@ -567,8 +557,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
         break;
 
     // Performance parameters: filters
-    case hash("cutoff"): // fallthrough
-    case hash("cutoff&"):
+    case hash("cutoff&"): // also cutoff
         {
             const auto filterIndex = opcode.parameters.empty() ? 0 : (opcode.parameters.back() - 1);
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
@@ -576,8 +565,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             setValueFromOpcode(opcode, filters[filterIndex].cutoff, Default::filterCutoffRange);
         }
         break;
-    case hash("resonance"): // fallthrough
-    case hash("resonance&"):
+    case hash("resonance&"): // also resonance
         {
             const auto filterIndex = opcode.parameters.empty() ? 0 : (opcode.parameters.back() - 1);
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
@@ -585,12 +573,9 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             setValueFromOpcode(opcode, filters[filterIndex].resonance, Default::filterResonanceRange);
         }
         break;
-    case hash("cutoff_oncc&"):
-    case hash("cutoff_cc&"):
-    case hash("cutoff&_oncc&"): // fallthrough
-    case hash("cutoff&_cc&"):
+    case hash("cutoff&_oncc&"): // also cutoff_oncc&, cutoff_cc&, cutoff&_cc&
         {
-            const auto filterIndex = opcode.parameters.size() == 1 ? 0 : (opcode.parameters.front() - 1);
+            const auto filterIndex = opcode.parameters.front() - 1;
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
                 return false;
 
@@ -601,12 +586,9 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             );
         }
         break;
-    case hash("resonance&_oncc&"):
-    case hash("resonance&_cc&"):
-    case hash("resonance_oncc&"): // fallthrough
-    case hash("resonance_cc&"):
+    case hash("resonance&_oncc&"): // also resonance_oncc&, resonance_cc&, resonance&_cc&
         {
-            const auto filterIndex = opcode.parameters.size() == 1 ? 0 : (opcode.parameters.front() - 1);
+            const auto filterIndex = opcode.parameters.front() - 1;
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
                 return false;
 
@@ -617,60 +599,54 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             );
         }
         break;
-    case hash("fil_keytrack"): // fallthrough
-    case hash("fil&_keytrack"):
+    case hash("fil&_keytrack"): // also fil_keytrack
         {
-            const auto filterIndex = opcode.parameters.empty() ? 0 : (opcode.parameters.front() - 1);
+            const auto filterIndex = opcode.parameters.front() - 1;
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
                 return false;
 
             setValueFromOpcode(opcode, filters[filterIndex].keytrack, Default::filterKeytrackRange);
         }
         break;
-    case hash("fil_keycenter"): // fallthrough
-    case hash("fil&_keycenter"):
+    case hash("fil&_keycenter"): // also fil_keycenter
         {
-            const auto filterIndex = opcode.parameters.empty() ? 0 : (opcode.parameters.front() - 1);
+            const auto filterIndex = opcode.parameters.front() - 1;
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
                 return false;
 
             setValueFromOpcode(opcode, filters[filterIndex].keycenter, Default::keyRange);
         }
         break;
-    case hash("fil_veltrack"): // fallthrough
-    case hash("fil&_veltrack"):
+    case hash("fil&_veltrack"): // also fil_veltrack
         {
-            const auto filterIndex = opcode.parameters.empty() ? 0 : (opcode.parameters.front() - 1);
+            const auto filterIndex = opcode.parameters.front() - 1;
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
                 return false;
 
             setValueFromOpcode(opcode, filters[filterIndex].veltrack, Default::filterVeltrackRange);
         }
         break;
-    case hash("fil_random"): // fallthrough
-    case hash("fil&_random"):
+    case hash("fil&_random"): // also fil_random
         {
-            const auto filterIndex = opcode.parameters.empty() ? 0 : (opcode.parameters.front() - 1);
+            const auto filterIndex = opcode.parameters.front() - 1;
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
                 return false;
 
             setValueFromOpcode(opcode, filters[filterIndex].random, Default::filterRandomRange);
         }
         break;
-    case hash("fil_gain"): // fallthrough
-    case hash("fil&_gain"):
+    case hash("fil&_gain"): // also fil_gain
         {
-            const auto filterIndex = opcode.parameters.empty() ? 0 : (opcode.parameters.front() - 1);
+            const auto filterIndex = opcode.parameters.front() - 1;
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
                 return false;
 
             setValueFromOpcode(opcode, filters[filterIndex].gain, Default::filterGainRange);
         }
         break;
-    case hash("fil_gaincc&"): // fallthrough
-    case hash("fil&_gaincc&"):
+    case hash("fil&_gain_oncc&"): // also fil_gain_oncc&
         {
-            const auto filterIndex = opcode.parameters.size() == 1 ? 0 : (opcode.parameters.front() - 1);
+            const auto filterIndex = opcode.parameters.front() - 1;
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
                 return false;
 
@@ -681,10 +657,9 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             );
         }
         break;
-    case hash("fil_type"): // fallthrough
-    case hash("fil&_type"):
+    case hash("fil&_type"): // also fil_type, filtype
         {
-            const auto filterIndex = opcode.parameters.empty() ? 0 : (opcode.parameters.front() - 1);
+            const auto filterIndex = opcode.parameters.front() - 1;
             if (!extendIfNecessary(filters, filterIndex + 1, Default::numFilters))
                 return false;
 
@@ -710,8 +685,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             setValueFromOpcode(opcode, equalizers[eqNumber - 1].bandwidth, Default::eqBandwidthRange);
         }
         break;
-    case hash("eq&_bw_oncc&"): // fallthrough
-    case hash("eq&_bwcc&"):
+    case hash("eq&_bw_oncc&"): // also eq&_bwcc&
         {
             const auto eqNumber = opcode.parameters.front();
             if (eqNumber == 0)
@@ -732,8 +706,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             setValueFromOpcode(opcode, equalizers[eqNumber - 1].frequency, Default::eqFrequencyRange);
         }
         break;
-    case hash("eq&_freq_oncc&"): // fallthrough
-    case hash("eq&_freqcc&"):
+    case hash("eq&_freq_oncc&"): // also eq&_freqcc&
         {
             const auto eqNumber = opcode.parameters.front();
             if (eqNumber == 0)
@@ -767,8 +740,7 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             setValueFromOpcode(opcode, equalizers[eqNumber - 1].gain, Default::eqGainRange);
         }
         break;
-    case hash("eq&_gain_oncc&"): // fallthrough
-    case hash("eq&_gaincc&"):
+    case hash("eq&_gain_oncc&"): // also eq&_gaincc&
         {
             const auto eqNumber = opcode.parameters.front();
             if (eqNumber == 0)
@@ -827,44 +799,37 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
     case hash("transpose"):
         setValueFromOpcode(opcode, transpose, Default::transposeRange);
         break;
-    case hash("tune"): // fallthrough
-    case hash("pitch"):
+    case hash("pitch"): // also tune
         setValueFromOpcode(opcode, tune, Default::tuneRange);
         break;
-    case hash("pitch_curvecc&"): // fallthrough
-    case hash("tune_curvecc&"):
+    case hash("pitch_curvecc&"): // also tune_curvecc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::curveCCRange))
             tuneCC[opcode.parameters.back()].curve = *value;
         break;
-    case hash("pitch_stepcc&"): // fallthrough
-    case hash("tune_stepcc&"):
+    case hash("pitch_stepcc&"): // also tune_stepcc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::tuneStepRange))
             tuneCC[opcode.parameters.back()].step = *value;
         break;
-    case hash("pitch_smoothcc&"): // fallthrough
-    case hash("tune_smoothcc&"):
+    case hash("pitch_smoothcc&"): // also tune_smoothcc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::smoothCCRange))
             tuneCC[opcode.parameters.back()].smooth = *value;
         break;
-    case hash("tune_cc&"):
-    case hash("tune_oncc&"):
-    case hash("pitch_cc&"):
-    case hash("pitch_oncc&"):
+    case hash("pitch_oncc&"): // also pitch_cc&, tune_cc&, tune_oncc&
         if (opcode.parameters.back() >= config::numCCs)
             return false;
         if (auto value = readOpcode(opcode.value, Default::tuneCCRange))
             tuneCC[opcode.parameters.back()].value = *value;
         break;
-    case hash("bend_up"):
+    case hash("bend_up"): // also bendup
         setValueFromOpcode(opcode, bendUp, Default::bendBoundRange);
         break;
-    case hash("bend_down"):
+    case hash("bend_down"): // also benddown
         setValueFromOpcode(opcode, bendDown, Default::bendBoundRange);
         break;
     case hash("bend_step"):
@@ -923,32 +888,25 @@ bool sfz::Region::parseOpcode(const Opcode& opcode)
             return false; // Was not vel2...
         setValueFromOpcode(opcode, amplitudeEG.vel2sustain, Default::egOnCCPercentRange);
         break;
-    case hash("ampeg_attackcc&"): // fallthrough
-    case hash("ampeg_attack_oncc&"):
+    case hash("ampeg_attack_oncc&"): // also ampeg_attackcc&
         setCCPairFromOpcode(opcode, amplitudeEG.ccAttack, Default::egOnCCTimeRange);
         break;
-    case hash("ampeg_decaycc&"): // fallthrough
-    case hash("ampeg_decay_oncc&"):
+    case hash("ampeg_decay_oncc&"): // also ampeg_decaycc&
         setCCPairFromOpcode(opcode, amplitudeEG.ccDecay, Default::egOnCCTimeRange);
         break;
-    case hash("ampeg_delaycc&"): // fallthrough
-    case hash("ampeg_delay_oncc&"):
+    case hash("ampeg_delay_oncc&"): // also ampeg_delaycc&
         setCCPairFromOpcode(opcode, amplitudeEG.ccDelay, Default::egOnCCTimeRange);
         break;
-    case hash("ampeg_holdcc&"): // fallthrough
-    case hash("ampeg_hold_oncc&"):
+    case hash("ampeg_hold_oncc&"): // also ampeg_holdcc&
         setCCPairFromOpcode(opcode, amplitudeEG.ccHold, Default::egOnCCTimeRange);
         break;
-    case hash("ampeg_releasecc&"): // fallthrough
-    case hash("ampeg_release_oncc&"):
+    case hash("ampeg_release_oncc&"): // also ampeg_releasecc&
         setCCPairFromOpcode(opcode, amplitudeEG.ccRelease, Default::egOnCCTimeRange);
         break;
-    case hash("ampeg_startcc&"): // fallthrough
-    case hash("ampeg_start_oncc&"):
+    case hash("ampeg_start_oncc&"): // also ampeg_startcc&
         setCCPairFromOpcode(opcode, amplitudeEG.ccStart, Default::egOnCCPercentRange);
         break;
-    case hash("ampeg_sustaincc&"): // fallthrough
-    case hash("ampeg_sustain_oncc&"):
+    case hash("ampeg_sustain_oncc&"): // also ampeg_sustaincc&
         setCCPairFromOpcode(opcode, amplitudeEG.ccSustain, Default::egOnCCPercentRange);
         break;
 

src/sfizz/Synth.cpp

@@ -236,7 +236,7 @@ void sfz::Synth::handleControlOpcodes(const std::vector<Opcode>& members)
     }
 }
 
-void sfz::Synth::handleEffectOpcodes(const std::vector<Opcode>& members)
+void sfz::Synth::handleEffectOpcodes(const std::vector<Opcode>& rawMembers)
 {
     absl::string_view busName = "main";
 
@@ -252,6 +252,11 @@ void sfz::Synth::handleEffectOpcodes(const std::vector<Opcode>& members)
         return *bus;
     };
 
+    std::vector<Opcode> members;
+    members.reserve(rawMembers.size());
+    for (const Opcode& opcode : rawMembers)
+        members.push_back(opcode.cleanUp(kOpcodeScopeEffect));
+
     for (const Opcode& opcode : members) {
         switch (opcode.lettersOnlyHash) {
         case hash("bus"):

tests/OpcodeT.cpp

@@ -158,3 +158,65 @@ TEST_CASE("[Opcode] Derived names")
     REQUIRE(sfz::Opcode("noise_level_smoothcc55", "").getDerivedName(sfz::kOpcodeStepCcN) == "noise_level_stepcc55");
     REQUIRE(sfz::Opcode("sample", "").getDerivedName(sfz::kOpcodeSmoothCcN, 66) == "sample_smoothcc66");
 }
+
+TEST_CASE("[Opcode] Normalization")
+{
+    REQUIRE(sfz::Opcode("foo_cc7", "").cleanUp(sfz::kOpcodeScopeGeneric).opcode == "foo_oncc7");
+    REQUIRE(sfz::Opcode("foo_cc7", "").cleanUp(sfz::kOpcodeScopeRegion).opcode == "foo_oncc7");
+
+    static const std::pair<absl::string_view, absl::string_view> regionSpecific[] = {
+        // LFO SFZv1
+        {"amplfo_depthcc1", "amplfo_depth_oncc1"},
+        {"fillfo_freqcc2", "fillfo_freq_oncc2"},
+        {"pitchlfo_fadecc3", "pitchlfo_fade_oncc3"},
+        // EG SFZv1
+        {"ampeg_delaycc4", "ampeg_delay_oncc4"},
+        {"fileg_startcc5", "fileg_start_oncc5"},
+        {"pitcheg_attackcc6", "pitcheg_attack_oncc6"},
+        {"ampeg_holdcc7", "ampeg_hold_oncc7"},
+        {"fileg_decaycc8", "fileg_decay_oncc8"},
+        {"pitcheg_sustaincc9", "pitcheg_sustain_oncc9"},
+        {"ampeg_releasecc10", "ampeg_release_oncc10"},
+        // EQ SFZv1
+        {"eq11_bwcc12", "eq11_bw_oncc12"},
+        {"eq13_freqcc14", "eq13_freq_oncc14"},
+        {"eq15_gaincc16", "eq15_gain_oncc16"},
+        // LFO SFZv2
+        {"lfo17_wave", "lfo17_wave1"},
+        {"lfo18_offset", "lfo18_offset1"},
+        {"lfo19_ratio", "lfo19_ratio1"},
+        {"lfo20_scale", "lfo20_scale1"},
+        // LinuxSampler aliases
+        {"loopmode", "loop_mode"},
+        {"loopstart", "loop_start"},
+        {"loopend", "loop_end"},
+        {"offby", "off_by"},
+        {"offmode", "off_mode"},
+        {"bendup", "bend_up"},
+        {"benddown", "bend_down"},
+        {"filtype", "fil1_type"},
+        {"fil21type", "fil21_type"},
+        // ARIA aliases
+        {"polyphony_group", "group"},
+        {"gain", "volume"},
+        {"gain_foobar", "volume_foobar"},
+        {"tune", "pitch"},
+        {"tune_foobar", "pitch_foobar"},
+        // SFZv2 aliases
+        {"on_hicc22", "start_hicc22"},
+        {"on_locc23", "start_locc23"},
+        // Filter SFZv1
+        {"fil_foobar", "fil1_foobar"},
+        {"cutoff", "cutoff1"},
+        {"cutoff_foobar", "cutoff1_foobar"},
+        {"resonance", "resonance1"},
+        {"resonance_foobar", "resonance1_foobar"},
+    };
+
+    for (auto pair : regionSpecific) {
+        absl::string_view input = pair.first;
+        absl::string_view expected = pair.second;
+        REQUIRE(sfz::Opcode(input, "").cleanUp(sfz::kOpcodeScopeRegion).opcode == expected);
+        REQUIRE(sfz::Opcode(input, "").cleanUp(sfz::kOpcodeScopeGeneric).opcode == input);
+    }
+}

tests/RegionT.cpp

@@ -1199,7 +1199,7 @@ TEST_CASE("[Region] Parsing opcodes")
         region.parseOpcode({ "resonance3_cc24", "10" });
         REQUIRE(region.filters[2].resonanceCC.contains(24));
         REQUIRE(region.filters[2].resonanceCC[24] == 10);
-        region.parseOpcode({ "fil2_gaincc12", "-50" });
+        region.parseOpcode({ "fil2_gain_oncc12", "-50" });
         REQUIRE(region.filters[1].gainCC.contains(12));
         REQUIRE(region.filters[1].gainCC[12] == -50.0f);