Move EffectsConfig loading in AudioPolicyEffects to libAudioHal

For HIDL, the EffectsConfig result based on config xml parsing.
For AIDL, the EffectsConfig result based on IFactory interface.

Bug: 261129656
Test: m on panther_hwasan-userdebug and boot, play audio
Test: atest audiopolicy_tests
Test: flash to Pixel t and test with audio effect enabled
Change-Id: I5d57fd2457f1e928ba011ea803fe9a7fc8259bb0
diff --git a/services/audiopolicy/service/AudioPolicyEffects.cpp b/services/audiopolicy/service/AudioPolicyEffects.cpp
index c7a60c2..b111865 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.cpp
+++ b/services/audiopolicy/service/AudioPolicyEffects.cpp
@@ -41,26 +41,25 @@
 // AudioPolicyEffects Implementation
 // ----------------------------------------------------------------------------
 
-AudioPolicyEffects::AudioPolicyEffects()
-{
-    status_t loadResult = loadAudioEffectXmlConfig();
+AudioPolicyEffects::AudioPolicyEffects(const sp<EffectsFactoryHalInterface>& effectsFactoryHal) {
+    // load xml config with effectsFactoryHal
+    status_t loadResult = loadAudioEffectConfig(effectsFactoryHal);
     if (loadResult == NO_ERROR) {
-        mDefaultDeviceEffectFuture = std::async(
-                    std::launch::async, &AudioPolicyEffects::initDefaultDeviceEffects, this);
+        mDefaultDeviceEffectFuture =
+                std::async(std::launch::async, &AudioPolicyEffects::initDefaultDeviceEffects, this);
     } else if (loadResult < 0) {
-        ALOGW("Failed to load XML effect configuration, fallback to .conf");
+        ALOGW("Failed to query effect configuration, fallback to load .conf");
         // load automatic audio effect modules
         if (access(AUDIO_EFFECT_VENDOR_CONFIG_FILE, R_OK) == 0) {
-            loadAudioEffectConfig(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
+            loadAudioEffectConfigLegacy(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
         } else if (access(AUDIO_EFFECT_DEFAULT_CONFIG_FILE, R_OK) == 0) {
-            loadAudioEffectConfig(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
+            loadAudioEffectConfigLegacy(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
         }
     } else if (loadResult > 0) {
         ALOGE("Effect config is partially invalid, skipped %d elements", loadResult);
     }
 }
 
-
 AudioPolicyEffects::~AudioPolicyEffects()
 {
     size_t i = 0;
@@ -907,10 +906,18 @@
     return NO_ERROR;
 }
 
-status_t AudioPolicyEffects::loadAudioEffectXmlConfig() {
-    auto result = effectsConfig::parse();
-    if (result.parsedConfig == nullptr) {
-        return -ENOENT;
+status_t AudioPolicyEffects::loadAudioEffectConfig(
+        const sp<EffectsFactoryHalInterface>& effectsFactoryHal) {
+    if (!effectsFactoryHal) {
+        ALOGE("%s Null EffectsFactoryHalInterface", __func__);
+        return UNEXPECTED_NULL;
+    }
+
+    const auto skippedElements = VALUE_OR_RETURN_STATUS(effectsFactoryHal->getSkippedElements());
+    const auto processings = effectsFactoryHal->getProcessings();
+    if (!processings) {
+        ALOGE("%s Null processings with %zu skipped elements", __func__, skippedElements);
+        return UNEXPECTED_NULL;
     }
 
     auto loadProcessingChain = [](auto& processingChain, auto& streams) {
@@ -924,9 +931,8 @@
         }
     };
 
-    auto loadDeviceProcessingChain = [](auto &processingChain, auto& devicesEffects) {
+    auto loadDeviceProcessingChain = [](auto& processingChain, auto& devicesEffects) {
         for (auto& deviceProcess : processingChain) {
-
             auto effectDescs = std::make_unique<EffectDescVector>();
             for (auto& effect : deviceProcess.effects) {
                 effectDescs->mEffects.add(
@@ -938,17 +944,18 @@
         }
     };
 
-    loadProcessingChain(result.parsedConfig->preprocess, mInputSources);
-    loadProcessingChain(result.parsedConfig->postprocess, mOutputStreams);
+    loadProcessingChain(processings->preprocess, mInputSources);
+    loadProcessingChain(processings->postprocess, mOutputStreams);
+
     {
         Mutex::Autolock _l(mLock);
-        loadDeviceProcessingChain(result.parsedConfig->deviceprocess, mDeviceEffects);
+        loadDeviceProcessingChain(processings->deviceprocess, mDeviceEffects);
     }
-    // Casting from ssize_t to status_t is probably safe, there should not be more than 2^31 errors
-    return result.nbSkippedElement;
+
+    return skippedElements;
 }
 
-status_t AudioPolicyEffects::loadAudioEffectConfig(const char *path)
+status_t AudioPolicyEffects::loadAudioEffectConfigLegacy(const char *path)
 {
     cnode *root;
     char *data;