Support effect config parser in effect AIDL
Bug: 255361653
Test: parse an example audio_effects.xml
atest VtsHalAudioEffectFactoryTargetTest
atest VtsHalAudioEffectTargetTest
atest VtsHalEqualizerTargetTest
Change-Id: I086905bcbe113a56767cae45102c84f5250d348e
diff --git a/audio/aidl/default/include/effect-impl/EffectTypes.h b/audio/aidl/default/include/effect-impl/EffectTypes.h
index edce26b..fc6a01d 100644
--- a/audio/aidl/default/include/effect-impl/EffectTypes.h
+++ b/audio/aidl/default/include/effect-impl/EffectTypes.h
@@ -19,6 +19,7 @@
#include <string>
#include <aidl/android/hardware/audio/effect/BnEffect.h>
+#include <android-base/logging.h>
typedef binder_exception_t (*EffectCreateFunctor)(
const ::aidl::android::media::audio::common::AudioUuid*,
@@ -101,4 +102,23 @@
} \
} while (0)
+static inline bool stringToUuid(const char* str,
+ ::aidl::android::media::audio::common::AudioUuid* uuid) {
+ RETURN_VALUE_IF(!uuid || !str, false, "nullPtr");
+
+ uint32_t tmp[10];
+ if (sscanf(str, "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x", tmp, tmp + 1, tmp + 2, tmp + 3,
+ tmp + 4, tmp + 5, tmp + 6, tmp + 7, tmp + 8, tmp + 9) < 10) {
+ return false;
+ }
+
+ uuid->timeLow = (uint32_t)tmp[0];
+ uuid->timeMid = (uint16_t)tmp[1];
+ uuid->timeHiAndVersion = (uint16_t)tmp[2];
+ uuid->clockSeq = (uint16_t)tmp[3];
+ uuid->node.insert(uuid->node.end(), {(uint8_t)tmp[4], (uint8_t)tmp[5], (uint8_t)tmp[6],
+ (uint8_t)tmp[7], (uint8_t)tmp[8], (uint8_t)tmp[9]});
+ return true;
+}
+
} // namespace aidl::android::hardware::audio::effect
diff --git a/audio/aidl/default/include/effect-impl/EffectUUID.h b/audio/aidl/default/include/effect-impl/EffectUUID.h
index 767cf6c..184a587 100644
--- a/audio/aidl/default/include/effect-impl/EffectUUID.h
+++ b/audio/aidl/default/include/effect-impl/EffectUUID.h
@@ -15,6 +15,8 @@
*/
#pragma once
+#include <map>
+
#include <aidl/android/media/audio/common/AudioUuid.h>
namespace aidl::android::hardware::audio::effect {
@@ -39,14 +41,14 @@
0x8f34,
{0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}};
-// Equalizer implementation UUID.
+// 0bed4300-847d-11df-bb17-0002a5d5c51b
static const AudioUuid EqualizerSwImplUUID = {static_cast<int32_t>(0x0bed4300),
0x847d,
0x11df,
0xbb17,
{0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}};
-// Equalizer bundle implementation UUID.
+// ce772f20-847d-11df-bb17-0002a5d5c51b
static const AudioUuid EqualizerBundleImplUUID = {static_cast<int32_t>(0xce772f20),
0x847d,
0x11df,
@@ -166,4 +168,26 @@
0x9b6a,
{0x02, 0x42, 0xac, 0x12, 0x00, 0x02}};
+/**
+ * @brief A map between effect name and effect type UUID.
+ * All <name> attribution in effect/effectProxy of audio_effects.xml should be listed in this map.
+ * We need this map is because existing audio_effects.xml don't have a type UUID defined.
+ */
+static const std::map<const std::string /* effect type */, const AudioUuid&> kUuidNameTypeMap = {
+ {"bassboost", BassBoostTypeUUID},
+ {"downmix", DownmixTypeUUID},
+ {"dynamics_processing", DynamicsProcessingTypeUUID},
+ {"equalizer", EqualizerTypeUUID},
+ {"haptic_generator", HapticGeneratorTypeUUID},
+ {"loudness_enhancer", LoudnessEnhancerTypeUUID},
+ {"reverb", ReverbTypeUUID},
+ {"reverb_env_aux", ReverbTypeUUID},
+ {"reverb_env_ins", ReverbTypeUUID},
+ {"reverb_pre_aux", ReverbTypeUUID},
+ {"reverb_pre_ins", ReverbTypeUUID},
+ {"virtualizer", VirtualizerTypeUUID},
+ {"visualizer", VisualizerTypeUUID},
+ {"volume", VolumeTypeUUID},
+};
+
} // namespace aidl::android::hardware::audio::effect
diff --git a/audio/aidl/default/include/effectFactory-impl/EffectConfig.h b/audio/aidl/default/include/effectFactory-impl/EffectConfig.h
new file mode 100644
index 0000000..2b904f5
--- /dev/null
+++ b/audio/aidl/default/include/effectFactory-impl/EffectConfig.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <functional>
+#include <memory>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#include <cutils/properties.h>
+#include <tinyxml2.h>
+
+#include "effect-impl/EffectTypes.h"
+
+namespace aidl::android::hardware::audio::effect {
+
+/**
+ * Library contains a mapping from library name to path.
+ * Effect contains a mapping from effect name to Libraries and implementation UUID.
+ * Pre/post processor contains a mapping from processing name to effect names.
+ */
+class EffectConfig {
+ public:
+ explicit EffectConfig(const std::string& file);
+
+ // <library>
+ struct Library {
+ std::string name;
+ std::string path;
+ };
+ struct LibraryUuid {
+ std::string name; // library name
+ ::aidl::android::media::audio::common::AudioUuid uuid;
+ };
+ // <effects>
+ struct EffectLibraries {
+ std::optional<struct LibraryUuid> proxyLibrary;
+ std::vector<struct LibraryUuid> libraries;
+ };
+
+ int getSkippedElements() const { return mSkippedElements; }
+ const std::unordered_map<std::string, std::string> getLibraryMap() const { return mLibraryMap; }
+ const std::unordered_map<std::string, struct EffectLibraries> getEffectsMap() const {
+ return mEffectsMap;
+ }
+ const std::unordered_map<std::string, std::vector<std::string>> getProcessingMap() const {
+ return mProcessingMap;
+ }
+
+ private:
+ int mSkippedElements;
+ /* Parsed Libraries result */
+ std::unordered_map<std::string, std::string> mLibraryMap;
+ /* Parsed Effects result */
+ std::unordered_map<std::string, struct EffectLibraries> mEffectsMap;
+ /* Parsed pre/post processing result */
+ std::unordered_map<std::string, std::vector<std::string>> mProcessingMap;
+
+ /** @return all `node`s children that are elements and match the tag if provided. */
+ std::vector<std::reference_wrapper<const tinyxml2::XMLElement>> getChildren(
+ const tinyxml2::XMLNode& node, const char* childTag = nullptr);
+
+ /** Parse a library xml note and push the result in mLibraryMap or return false on failure. */
+ bool parseLibrary(const tinyxml2::XMLElement& xml);
+
+ /** Parse an effect from an xml element describing it.
+ * @return true and pushes the effect in mEffectsMap on success, false on failure.
+ */
+ bool parseEffect(const tinyxml2::XMLElement& xml);
+
+ bool parseStream(const tinyxml2::XMLElement& xml);
+
+ // Function to parse effect.library name and effect.uuid from xml
+ bool parseLibraryUuid(const tinyxml2::XMLElement& xml, struct LibraryUuid& libraryUuid,
+ bool isProxy = false);
+
+ const char* dump(const tinyxml2::XMLElement& element,
+ tinyxml2::XMLPrinter&& printer = {}) const;
+};
+
+} // namespace aidl::android::hardware::audio::effect