Deprecate support for legacy effect config file audio_effects.conf

Bug: 279987639
Test: build panther and test audio with effects enabled
Test: m dumpEffectConfigFile
Test: /vendor/bin/dumpEffectConfigFile --xml /vendor/etc/audio_effects.xml
Change-Id: Id3ec0934333aea174ab7469887a6d7bf416f2a42
diff --git a/media/libeffects/factory/Android.bp b/media/libeffects/factory/Android.bp
index d94093e..f56abbd 100644
--- a/media/libeffects/factory/Android.bp
+++ b/media/libeffects/factory/Android.bp
@@ -21,7 +21,6 @@
     vendor: true,
     srcs: [
          "EffectsFactory.c",
-         "EffectsConfigLoader.c",
          "EffectsFactoryState.c",
          "EffectsXmlConfigLoader.cpp",
     ],
diff --git a/media/libeffects/factory/EffectsConfigLoader.c b/media/libeffects/factory/EffectsConfigLoader.c
deleted file mode 100644
index e23530e..0000000
--- a/media/libeffects/factory/EffectsConfigLoader.c
+++ /dev/null
@@ -1,439 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "EffectsFactoryConfigLoader"
-//#define LOG_NDEBUG 0
-
-#include <dlfcn.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <cutils/config_utils.h>
-#include <cutils/misc.h>
-#include <log/log.h>
-
-#include <system/audio_effects/audio_effects_conf.h>
-
-#include "EffectsConfigLoader.h"
-#include "EffectsFactoryState.h"
-
-/////////////////////////////////////////////////
-//      Local functions prototypes
-/////////////////////////////////////////////////
-
-static int loadEffectConfigFile(const char *path);
-static int loadLibraries(cnode *root);
-static int loadLibrary(cnode *root, const char *name);
-static int loadEffects(cnode *root);
-static int loadEffect(cnode *node);
-// To get and add the effect pointed by the passed node to the gSubEffectList
-static int addSubEffect(cnode *root);
-static lib_entry_t *getLibrary(const char *path);
-
-static lib_entry_t *gCachedLibrary;  // last library accessed by getLibrary()
-
-int EffectLoadEffectConfig()
-{
-    if (access(AUDIO_EFFECT_VENDOR_CONFIG_FILE, R_OK) == 0) {
-        return loadEffectConfigFile(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
-    } else if (access(AUDIO_EFFECT_DEFAULT_CONFIG_FILE, R_OK) == 0) {
-        return loadEffectConfigFile(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
-    }
-    return 0;
-}
-
-int loadEffectConfigFile(const char *path)
-{
-    cnode *root;
-    char *data;
-
-    data = load_file(path, NULL);
-    if (data == NULL) {
-        return -ENODEV;
-    }
-    root = config_node("", "");
-    config_load(root, data);
-    loadLibraries(root);
-    loadEffects(root);
-    config_free(root);
-    free(root);
-    free(data);
-
-    return 0;
-}
-
-int loadLibraries(cnode *root)
-{
-    cnode *node;
-
-    node = config_find(root, LIBRARIES_TAG);
-    if (node == NULL) {
-        return -ENOENT;
-    }
-    node = node->first_child;
-    while (node) {
-        loadLibrary(node, node->name);
-        node = node->next;
-    }
-    return 0;
-}
-
-#ifdef __LP64__
-// audio_effects.conf always specifies 32 bit lib path: convert to 64 bit path if needed
-static const char *kLibraryPathRoot[] =
-        {"/odm/lib64/soundfx", "/vendor/lib64/soundfx", "/system/lib64/soundfx"};
-#else
-static const char *kLibraryPathRoot[] =
-        {"/odm/lib/soundfx", "/vendor/lib/soundfx", "/system/lib/soundfx"};
-#endif
-
-static const int kLibraryPathRootSize =
-        (sizeof(kLibraryPathRoot) / sizeof(kLibraryPathRoot[0]));
-
-// Checks if the library path passed as lib_path_in can be opened and if not
-// tries in standard effect library directories with just the library name and returns correct path
-// in lib_path_out
-int checkLibraryPath(const char *lib_path_in, char *lib_path_out) {
-    char *str;
-    const char *lib_name;
-    size_t len;
-
-    if (lib_path_in == NULL || lib_path_out == NULL) {
-        return -EINVAL;
-    }
-
-    strlcpy(lib_path_out, lib_path_in, PATH_MAX);
-
-    // Try exact path first
-    str = strstr(lib_path_out, "/lib/soundfx/");
-    if (str == NULL) {
-        return -EINVAL;
-    }
-
-    // Extract library name from input path
-    len = str - lib_path_out;
-    lib_name = lib_path_in + len + strlen("/lib/soundfx/");
-
-    // Then try with library name and standard path names in order of preference
-    for (int i = 0; i < kLibraryPathRootSize; i++) {
-        char path[PATH_MAX];
-
-        snprintf(path,
-                 PATH_MAX,
-                 "%s/%s",
-                 kLibraryPathRoot[i],
-                 lib_name);
-        if (F_OK == access(path, 0)) {
-            strcpy(lib_path_out, path);
-            ALOGW_IF(strncmp(lib_path_out, lib_path_in, PATH_MAX) != 0,
-                "checkLibraryPath() corrected library path %s to %s", lib_path_in, lib_path_out);
-            return 0;
-        }
-    }
-    return -EINVAL;
-}
-
-
-
-int loadLibrary(cnode *root, const char *name)
-{
-    cnode *node;
-    void *hdl = NULL;
-    audio_effect_library_t *desc;
-    list_elem_t *e;
-    lib_entry_t *l;
-    char path[PATH_MAX];
-
-    node = config_find(root, PATH_TAG);
-    if (node == NULL) {
-        return -EINVAL;
-    }
-
-    if (checkLibraryPath((const char *)node->value, path) != 0) {
-        ALOGW("loadLibrary() could not find library %s", path);
-        goto error;
-    }
-
-    hdl = dlopen(path, RTLD_NOW);
-    if (hdl == NULL) {
-        ALOGW("loadLibrary() failed to open %s", path);
-        goto error;
-    }
-
-    desc = (audio_effect_library_t *)dlsym(hdl, AUDIO_EFFECT_LIBRARY_INFO_SYM_AS_STR);
-    if (desc == NULL) {
-        ALOGW("loadLibrary() could not find symbol %s", AUDIO_EFFECT_LIBRARY_INFO_SYM_AS_STR);
-        goto error;
-    }
-
-    if (AUDIO_EFFECT_LIBRARY_TAG != desc->tag) {
-        ALOGW("getLibrary() bad tag %08x in lib info struct", desc->tag);
-        goto error;
-    }
-
-    if (EFFECT_API_VERSION_MAJOR(desc->version) !=
-            EFFECT_API_VERSION_MAJOR(EFFECT_LIBRARY_API_VERSION)) {
-        ALOGW("loadLibrary() bad lib version %08x", desc->version);
-        goto error;
-    }
-
-    // add entry for library in gLibraryList
-    l = malloc(sizeof(lib_entry_t));
-    l->name = strndup(name, PATH_MAX);
-    l->path = strndup(path, PATH_MAX);
-    l->handle = hdl;
-    l->desc = desc;
-    l->effects = NULL;
-    pthread_mutex_init(&l->lock, NULL);
-
-    e = malloc(sizeof(list_elem_t));
-    e->object = l;
-    pthread_mutex_lock(&gLibLock);
-    e->next = gLibraryList;
-    gLibraryList = e;
-    pthread_mutex_unlock(&gLibLock);
-    ALOGV("getLibrary() linked library %p for path %s", l, path);
-
-    return 0;
-
-error:
-    if (hdl != NULL) {
-        dlclose(hdl);
-    }
-    //add entry for library errors in gLibraryFailedList
-    lib_failed_entry_t *fl = malloc(sizeof(lib_failed_entry_t));
-    fl->name = strndup(name, PATH_MAX);
-    fl->path = strndup(path, PATH_MAX);
-
-    list_elem_t *fe = malloc(sizeof(list_elem_t));
-    fe->object = fl;
-    fe->next = gLibraryFailedList;
-    gLibraryFailedList = fe;
-    ALOGV("getLibrary() linked error in library %p for path %s", fl, path);
-
-    return -EINVAL;
-}
-
-// This will find the library and UUID tags of the sub effect pointed by the
-// node, gets the effect descriptor and lib_entry_t and adds the subeffect -
-// sub_entry_t to the gSubEffectList
-int addSubEffect(cnode *root)
-{
-    ALOGV("addSubEffect");
-    cnode *node;
-    effect_uuid_t uuid;
-    effect_descriptor_t *d;
-    lib_entry_t *l;
-    list_elem_t *e;
-    node = config_find(root, LIBRARY_TAG);
-    if (node == NULL) {
-        return -EINVAL;
-    }
-    l = getLibrary(node->value);
-    if (l == NULL) {
-        ALOGW("addSubEffect() could not get library %s", node->value);
-        return -EINVAL;
-    }
-    node = config_find(root, UUID_TAG);
-    if (node == NULL) {
-        return -EINVAL;
-    }
-    if (stringToUuid(node->value, &uuid) != 0) {
-        ALOGW("addSubEffect() invalid uuid %s", node->value);
-        return -EINVAL;
-    }
-    d = malloc(sizeof(effect_descriptor_t));
-    if (l->desc->get_descriptor(&uuid, d) != 0) {
-        char s[40];
-        uuidToString(&uuid, s, 40);
-        ALOGW("Error querying effect %s on lib %s", s, l->name);
-        free(d);
-        return -EINVAL;
-    }
-#if (LOG_NDEBUG==0)
-    char s[512];
-    dumpEffectDescriptor(d, s, sizeof(s), 0 /* indent */);
-    ALOGV("addSubEffect() read descriptor %p:%s",d, s);
-#endif
-    if (EFFECT_API_VERSION_MAJOR(d->apiVersion) !=
-            EFFECT_API_VERSION_MAJOR(EFFECT_CONTROL_API_VERSION)) {
-        ALOGW("Bad API version %08x on lib %s", d->apiVersion, l->name);
-        free(d);
-        return -EINVAL;
-    }
-    sub_effect_entry_t *sub_effect = malloc(sizeof(sub_effect_entry_t));
-    sub_effect->object = d;
-    // lib_entry_t is stored since the sub effects are not linked to the library
-    sub_effect->lib = l;
-    e = malloc(sizeof(list_elem_t));
-    e->object = sub_effect;
-    e->next = gSubEffectList->sub_elem;
-    gSubEffectList->sub_elem = e;
-    ALOGV("addSubEffect end");
-    return 0;
-}
-
-int loadEffects(cnode *root)
-{
-    cnode *node;
-
-    node = config_find(root, EFFECTS_TAG);
-    if (node == NULL) {
-        return -ENOENT;
-    }
-    node = node->first_child;
-    while (node) {
-        loadEffect(node);
-        node = node->next;
-    }
-    return 0;
-}
-
-int loadEffect(cnode *root)
-{
-    cnode *node;
-    effect_uuid_t uuid;
-    lib_entry_t *l;
-    effect_descriptor_t *d;
-    list_elem_t *e;
-
-    node = config_find(root, LIBRARY_TAG);
-    if (node == NULL) {
-        return -EINVAL;
-    }
-
-    l = getLibrary(node->value);
-    if (l == NULL) {
-        ALOGW("loadEffect() could not get library %s", node->value);
-        return -EINVAL;
-    }
-
-    node = config_find(root, UUID_TAG);
-    if (node == NULL) {
-        return -EINVAL;
-    }
-    if (stringToUuid(node->value, &uuid) != 0) {
-        ALOGW("loadEffect() invalid uuid %s", node->value);
-        return -EINVAL;
-    }
-    lib_entry_t *tmp;
-    bool skip = false;
-    if (findEffect(NULL, &uuid, &tmp, NULL) == 0) {
-        ALOGW("skipping duplicate uuid %s %s", node->value,
-                node->next ? "and its sub-effects" : "");
-        skip = true;
-    }
-
-    d = malloc(sizeof(effect_descriptor_t));
-    if (l->desc->get_descriptor(&uuid, d) != 0) {
-        char s[40];
-        uuidToString(&uuid, s, 40);
-        ALOGW("Error querying effect %s on lib %s", s, l->name);
-        free(d);
-        return -EINVAL;
-    }
-#if (LOG_NDEBUG==0)
-    char s[512];
-    dumpEffectDescriptor(d, s, sizeof(s), 0 /* indent */);
-    ALOGV("loadEffect() read descriptor %p:%s",d, s);
-#endif
-    if (EFFECT_API_VERSION_MAJOR(d->apiVersion) !=
-            EFFECT_API_VERSION_MAJOR(EFFECT_CONTROL_API_VERSION)) {
-        ALOGW("Bad API version %08x on lib %s", d->apiVersion, l->name);
-        free(d);
-        return -EINVAL;
-    }
-    e = malloc(sizeof(list_elem_t));
-    e->object = d;
-    if (skip) {
-        e->next = gSkippedEffects;
-        gSkippedEffects = e;
-        return -EINVAL;
-    } else {
-        e->next = l->effects;
-        l->effects = e;
-    }
-
-    // After the UUID node in the config_tree, if node->next is valid,
-    // that would be sub effect node.
-    // Find the sub effects and add them to the gSubEffectList
-    node = node->next;
-    int count = 2;
-    bool hwSubefx = false, swSubefx = false;
-    list_sub_elem_t *sube = NULL;
-    if (node != NULL) {
-        ALOGV("Adding the effect to gEffectSubList as there are sub effects");
-        sube = malloc(sizeof(list_sub_elem_t));
-        sube->object = d;
-        sube->sub_elem = NULL;
-        sube->next = gSubEffectList;
-        gSubEffectList = sube;
-    }
-    while (node != NULL && count) {
-       if (addSubEffect(node)) {
-           ALOGW("loadEffect() could not add subEffect %s", node->value);
-           // Change the gSubEffectList to point to older list;
-           gSubEffectList = sube->next;
-           free(sube->sub_elem);// Free an already added sub effect
-           sube->sub_elem = NULL;
-           free(sube);
-           return -ENOENT;
-       }
-       sub_effect_entry_t *subEntry = (sub_effect_entry_t*)gSubEffectList->sub_elem->object;
-       effect_descriptor_t *subEffectDesc = (effect_descriptor_t*)(subEntry->object);
-       // Since we return a stub descriptor for the proxy during
-       // get_descriptor call,we replace it with the correspoding
-       // sw effect descriptor, but with Proxy UUID
-       // check for Sw desc
-        if (!((subEffectDesc->flags & EFFECT_FLAG_HW_ACC_MASK) ==
-                                           EFFECT_FLAG_HW_ACC_TUNNEL)) {
-             swSubefx = true;
-             *d = *subEffectDesc;
-             d->uuid = uuid;
-             ALOGV("loadEffect() Changed the Proxy desc");
-       } else
-           hwSubefx = true;
-       count--;
-       node = node->next;
-    }
-    // 1 HW and 1 SW sub effect found. Set the offload flag in the Proxy desc
-    if (hwSubefx && swSubefx) {
-        d->flags |= EFFECT_FLAG_OFFLOAD_SUPPORTED;
-    }
-    return 0;
-}
-
-lib_entry_t *getLibrary(const char *name)
-{
-    list_elem_t *e;
-
-    if (gCachedLibrary &&
-            !strncmp(gCachedLibrary->name, name, PATH_MAX)) {
-        return gCachedLibrary;
-    }
-
-    e = gLibraryList;
-    while (e) {
-        lib_entry_t *l = (lib_entry_t *)e->object;
-        if (!strcmp(l->name, name)) {
-            gCachedLibrary = l;
-            return l;
-        }
-        e = e->next;
-    }
-
-    return NULL;
-}
diff --git a/media/libeffects/factory/EffectsConfigLoader.h b/media/libeffects/factory/EffectsConfigLoader.h
deleted file mode 100644
index 3f82609..0000000
--- a/media/libeffects/factory/EffectsConfigLoader.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef ANDROID_EFFECTSCONFIGLOADER_H
-#define ANDROID_EFFECTSCONFIGLOADER_H
-
-#include <cutils/compiler.h>
-#include "EffectsFactoryState.h"
-
-#ifdef  __cplusplus
-extern "C" {
-#endif
-
-
-/** Parses the platform effect configuration
- * and stores its content in the global EffectFactoryState. */
-ANDROID_API
-int EffectLoadEffectConfig();
-
-
-#ifdef  __cplusplus
-} // extern "C"
-#endif
-
-#endif  // ANDROID_EFFECTSCONFIGLOADER_H
diff --git a/media/libeffects/factory/EffectsFactory.c b/media/libeffects/factory/EffectsFactory.c
index dcdf634..38ba4b0 100644
--- a/media/libeffects/factory/EffectsFactory.c
+++ b/media/libeffects/factory/EffectsFactory.c
@@ -26,7 +26,6 @@
 
 #include <media/EffectsFactoryApi.h>
 
-#include "EffectsConfigLoader.h"
 #include "EffectsFactoryState.h"
 #include "EffectsXmlConfigLoader.h"
 
@@ -464,8 +463,7 @@
     } else {
         gConfigNbElemSkipped = EffectLoadXmlEffectConfig(NULL);
         if (gConfigNbElemSkipped < 0) {
-            ALOGW("Failed to load XML effect configuration, fallback to .conf");
-            EffectLoadEffectConfig();
+            ALOGE("Failed to load XML effect configuration with status %zd", gConfigNbElemSkipped);
         } else if (gConfigNbElemSkipped > 0) {
             ALOGE("Effect config is partially invalid, skipped %zd elements", gConfigNbElemSkipped);
         }
diff --git a/media/libeffects/factory/EffectsXmlConfigLoader.cpp b/media/libeffects/factory/EffectsXmlConfigLoader.cpp
index 30a9007..10fda70 100644
--- a/media/libeffects/factory/EffectsXmlConfigLoader.cpp
+++ b/media/libeffects/factory/EffectsXmlConfigLoader.cpp
@@ -26,7 +26,6 @@
 
 #include <media/EffectsConfig.h>
 
-#include "EffectsConfigLoader.h"
 #include "EffectsFactoryState.h"
 #include "EffectsXmlConfigLoader.h"
 
diff --git a/media/libeffects/factory/test/DumpConfig.cpp b/media/libeffects/factory/test/DumpConfig.cpp
index 0a156b4..1fecf06 100644
--- a/media/libeffects/factory/test/DumpConfig.cpp
+++ b/media/libeffects/factory/test/DumpConfig.cpp
@@ -16,48 +16,31 @@
 
 #include <media/EffectsFactoryApi.h>
 #include <unistd.h>
+
 #include "EffectsXmlConfigLoader.h"
-#include "EffectsConfigLoader.h"
 
 int main(int argc, char* argv[]) {
-    const char* path = nullptr;
-    bool legacyFormat;
-
-    if (argc == 2 && strcmp(argv[1], "--legacy") == 0) {
-        legacyFormat = true;
-        fprintf(stderr, "Dumping legacy effect config file\n");
-    } else if ((argc == 2 || argc == 3) && strcmp(argv[1], "--xml") == 0) {
-        legacyFormat = false;
+    char* path = nullptr;
+    if ((argc == 2 || argc == 3) && strcmp(argv[1], "--xml") == 0) {
         if (argc == 3) {
+            path = argv[2];
             fprintf(stderr, "Dumping XML effect config file: %s\n", path);
         } else {
             fprintf(stderr, "Dumping default XML effect config file.\n");
         }
     } else {
-        fprintf(stderr, "Invalid arguments.\n"
-                        "Usage: %s [--legacy|--xml [FILE]]\n", argv[0]);
+        fprintf(stderr, "Invalid arguments.\nUsage: %s [--xml [FILE]]\n", argv[0]);
         return 1;
     }
 
-    if (!legacyFormat) {
-        ssize_t ret = EffectLoadXmlEffectConfig(path);
-        if (ret < 0) {
-            fprintf(stderr, "loadXmlEffectConfig failed, see logcat for detail.\n");
-            return 2;
-        }
-        if (ret > 0) {
-            fprintf(stderr, "Partially failed to load config. Skipped %zu elements, "
-                    "see logcat for detail.\n", (size_t)ret);
-        }
+    ssize_t ret = EffectLoadXmlEffectConfig(path);
+    if (ret < 0) {
+        fprintf(stderr, "loadXmlEffectConfig failed, see logcat for detail.\n");
+        return 2;
     }
-
-    if (legacyFormat) {
-        auto ret = EffectLoadEffectConfig();
-        if (ret < 0) {
-            fprintf(stderr, "loadEffectConfig failed, see logcat for detail.\n");
-            return 3;
-        }
-        fprintf(stderr, "legacy loadEffectConfig has probably succeed, see logcat to make sure.\n");
+    if (ret > 0) {
+        fprintf(stderr, "Partially failed to load config. Skipped %zu elements, "
+                "see logcat for detail.\n", (size_t)ret);
     }
 
     if (EffectDumpEffects(STDOUT_FILENO) != 0) {
diff --git a/services/audiopolicy/service/AudioPolicyEffects.cpp b/services/audiopolicy/service/AudioPolicyEffects.cpp
index b111865..4ea3751 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.cpp
+++ b/services/audiopolicy/service/AudioPolicyEffects.cpp
@@ -48,13 +48,7 @@
         mDefaultDeviceEffectFuture =
                 std::async(std::launch::async, &AudioPolicyEffects::initDefaultDeviceEffects, this);
     } else if (loadResult < 0) {
-        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) {
-            loadAudioEffectConfigLegacy(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
-        } else if (access(AUDIO_EFFECT_DEFAULT_CONFIG_FILE, R_OK) == 0) {
-            loadAudioEffectConfigLegacy(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
-        }
+        ALOGE("Failed to query effect configuration with status %d", loadResult);
     } else if (loadResult > 0) {
         ALOGE("Effect config is partially invalid, skipped %d elements", loadResult);
     }
@@ -955,34 +949,6 @@
     return skippedElements;
 }
 
-status_t AudioPolicyEffects::loadAudioEffectConfigLegacy(const char *path)
-{
-    cnode *root;
-    char *data;
-
-    data = (char *)load_file(path, NULL);
-    if (data == NULL) {
-        return -ENODEV;
-    }
-    root = config_node("", "");
-    config_load(root, data);
-
-    Vector <EffectDesc *> effects;
-    loadEffects(root, effects);
-    loadInputEffectConfigurations(root, effects);
-    loadStreamEffectConfigurations(root, effects);
-
-    for (size_t i = 0; i < effects.size(); i++) {
-        delete effects[i];
-    }
-
-    config_free(root);
-    free(root);
-    free(data);
-
-    return NO_ERROR;
-}
-
 void AudioPolicyEffects::initDefaultDeviceEffects()
 {
     Mutex::Autolock _l(mLock);
diff --git a/services/audiopolicy/service/AudioPolicyEffects.h b/services/audiopolicy/service/AudioPolicyEffects.h
index 9f65a96..80b0f91 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.h
+++ b/services/audiopolicy/service/AudioPolicyEffects.h
@@ -39,12 +39,7 @@
  *
  * This class manages all effects attached to input and output streams in AudioPolicyService.
  * The effect configurations can be queried in several ways:
- *
- * With HIDL HAL, the configuration file `audio_effects.xml` will be loaded by libAudioHal. If this
- * file does not exist, AudioPolicyEffects class will fallback to load configuration from
- * `/vendor/etc/audio_effects.conf` (AUDIO_EFFECT_VENDOR_CONFIG_FILE). If this file also does not
- * exist, the configuration will be loaded from the file `/system/etc/audio_effects.conf`.
- *
+ * With HIDL HAL, the configuration file `audio_effects.xml` will be loaded by libAudioHal.
  * With AIDL HAL, the configuration will be queried with the method `IFactory::queryProcessing()`.
  */
 class AudioPolicyEffects : public RefBase
@@ -52,7 +47,7 @@
 
 public:
 
-    // The constructor will parse audio_effects.conf
+    // The constructor will parse audio_effects.xml
     // First it will look whether vendor specific file exists,
     // otherwise it will parse the system default file.
     explicit AudioPolicyEffects(const sp<EffectsFactoryHalInterface>& effectsFactoryHal);
@@ -121,7 +116,7 @@
     void initDefaultDeviceEffects();
 
     // class to store the description of an effects and its parameters
-    // as defined in audio_effects.conf
+    // as defined in audio_effects.xml
     class EffectDesc {
     public:
         EffectDesc(const char *name,
@@ -235,8 +230,7 @@
     static const char *kStreamNames[AUDIO_STREAM_PUBLIC_CNT+1]; //+1 required as streams start from -1
     audio_stream_type_t streamNameToEnum(const char *name);
 
-    // Parse audio_effects.conf
-    status_t loadAudioEffectConfigLegacy(const char *path);
+    // Parse audio_effects.xml
     status_t loadAudioEffectConfig(const sp<EffectsFactoryHalInterface>& effectsFactoryHal);
 
     // Load all effects descriptors in configuration file
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 4710a8a..6cac9f9 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -1072,7 +1072,7 @@
     Mutex mNotificationClientsLock;
     DefaultKeyedVector<int64_t, sp<NotificationClient>> mNotificationClients
         GUARDED_BY(mNotificationClientsLock);
-    // Manage all effects configured in audio_effects.conf
+    // Manage all effects configured in audio_effects.xml
     // never hold AudioPolicyService::mLock when calling AudioPolicyEffects methods as
     // those can call back into AudioPolicyService methods and try to acquire the mutex
     sp<AudioPolicyEffects> mAudioPolicyEffects GUARDED_BY(mLock);