Template and schemas for parsing LE Audio Set Configuration.

Bug: 306225778
Test: mmm hardware/interfaces/bluetooth/audio/utils
Change-Id: I20482faf20a41f04c39e1314db45a07cb5f9956b
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp b/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp
index 1524f5e..216e169 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp
@@ -32,6 +32,7 @@
 #include <aidl/android/hardware/bluetooth/audio/SbcChannelMode.h>
 #include <android-base/logging.h>
 
+#include "BluetoothLeAudioAseConfigurationSettingProvider.h"
 #include "BluetoothLeAudioCodecsProvider.h"
 
 namespace aidl {
@@ -438,6 +439,12 @@
   return codec_info_map_iter->second;
 }
 
+std::vector<LeAudioAseConfigurationSetting>
+BluetoothAudioCodecs::GetLeAudioAseConfigurationSettings() {
+  return AudioSetConfigurationProviderJson::
+      GetLeAudioAseConfigurationSettings();
+}
+
 }  // namespace audio
 }  // namespace bluetooth
 }  // namespace hardware
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.h b/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.h
index 01afb7a..057b9a7 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.h
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.h
@@ -19,6 +19,7 @@
 #include <aidl/android/hardware/bluetooth/audio/CodecCapabilities.h>
 #include <aidl/android/hardware/bluetooth/audio/CodecConfiguration.h>
 #include <aidl/android/hardware/bluetooth/audio/CodecInfo.h>
+#include <aidl/android/hardware/bluetooth/audio/IBluetoothAudioProvider.h>
 #include <aidl/android/hardware/bluetooth/audio/LeAudioCodecCapabilitiesSetting.h>
 #include <aidl/android/hardware/bluetooth/audio/LeAudioConfiguration.h>
 #include <aidl/android/hardware/bluetooth/audio/OpusConfiguration.h>
@@ -34,6 +35,9 @@
 namespace bluetooth {
 namespace audio {
 
+using LeAudioAseConfigurationSetting =
+    IBluetoothAudioProvider::LeAudioAseConfigurationSetting;
+
 class BluetoothAudioCodecs {
  public:
   static std::vector<PcmCapabilities> GetSoftwarePcmCapabilities();
@@ -50,6 +54,9 @@
   static std::vector<CodecInfo> GetLeAudioOffloadCodecInfo(
       const SessionType& session_type);
 
+  static std::vector<LeAudioAseConfigurationSetting>
+  GetLeAudioAseConfigurationSettings();
+
  private:
   template <typename T>
   struct identity {
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothLeAudioAseConfigurationSettingProvider.h b/bluetooth/audio/utils/aidl_session/BluetoothLeAudioAseConfigurationSettingProvider.h
new file mode 100644
index 0000000..ce91fca
--- /dev/null
+++ b/bluetooth/audio/utils/aidl_session/BluetoothLeAudioAseConfigurationSettingProvider.h
@@ -0,0 +1,125 @@
+
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#include <aidl/android/hardware/bluetooth/audio/IBluetoothAudioProvider.h>
+
+#include <map>
+#include <mutex>
+#include <optional>
+#include <string>
+#include <string_view>
+#include <tuple>
+
+#include "audio_set_configurations_generated.h"
+#include "audio_set_scenarios_generated.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace audio {
+
+using LeAudioAseConfigurationSetting =
+    IBluetoothAudioProvider::LeAudioAseConfigurationSetting;
+using AseDirectionConfiguration = IBluetoothAudioProvider::
+    LeAudioAseConfigurationSetting::AseDirectionConfiguration;
+using LeAudioAseQosConfiguration =
+    IBluetoothAudioProvider::LeAudioAseQosConfiguration;
+using LeAudioDataPathConfiguration =
+    IBluetoothAudioProvider::LeAudioDataPathConfiguration;
+
+enum class CodecLocation {
+  HOST,
+  ADSP,
+  CONTROLLER,
+};
+
+class AudioSetConfigurationProviderJson {
+ public:
+  static std::vector<LeAudioAseConfigurationSetting>
+  GetLeAudioAseConfigurationSettings();
+
+ private:
+  static void LoadAudioSetConfigurationProviderJson();
+
+  static const le_audio::CodecSpecificConfiguration* LookupCodecSpecificParam(
+      const flatbuffers::Vector<flatbuffers::Offset<
+          le_audio::CodecSpecificConfiguration>>* flat_codec_specific_params,
+      le_audio::CodecSpecificLtvGenericTypes type);
+
+  static void populateAudioChannelAllocation(
+      CodecSpecificConfigurationLtv::AudioChannelAllocation&
+          audio_channel_allocation,
+      uint32_t audio_location);
+
+  static void populateConfigurationData(
+      LeAudioAseConfiguration& ase,
+      const flatbuffers::Vector<
+          flatbuffers::Offset<le_audio::CodecSpecificConfiguration>>*
+          flat_codec_specific_params);
+
+  static void populateAseConfiguration(
+      LeAudioAseConfiguration& ase,
+      const le_audio::AudioSetSubConfiguration* flat_subconfig,
+      const le_audio::QosConfiguration* qos_cfg);
+
+  static void populateAseQosConfiguration(
+      LeAudioAseQosConfiguration& qos,
+      const le_audio::QosConfiguration* qos_cfg);
+
+  static AseDirectionConfiguration SetConfigurationFromFlatSubconfig(
+      const le_audio::AudioSetSubConfiguration* flat_subconfig,
+      const le_audio::QosConfiguration* qos_cfg, CodecLocation location);
+
+  static void processSubconfig(
+      const le_audio::AudioSetSubConfiguration* subconfig,
+      const le_audio::QosConfiguration* qos_cfg,
+      std::vector<std::optional<AseDirectionConfiguration>>&
+          directionAseConfiguration,
+      CodecLocation location);
+
+  static void PopulateAseConfigurationFromFlat(
+      const le_audio::AudioSetConfiguration* flat_cfg,
+      std::vector<const le_audio::CodecConfiguration*>* codec_cfgs,
+      std::vector<const le_audio::QosConfiguration*>* qos_cfgs,
+      CodecLocation location,
+      std::vector<std::optional<AseDirectionConfiguration>>&
+          sourceAseConfiguration,
+      std::vector<std::optional<AseDirectionConfiguration>>&
+          sinkAseConfiguration,
+      ConfigurationFlags& configurationFlags);
+
+  static bool LoadConfigurationsFromFiles(const char* schema_file,
+                                          const char* content_file,
+                                          CodecLocation location);
+
+  static bool LoadScenariosFromFiles(const char* schema_file,
+                                     const char* content_file);
+
+  static bool LoadContent(
+      std::vector<std::pair<const char* /*schema*/, const char* /*content*/>>
+          config_files,
+      std::vector<std::pair<const char* /*schema*/, const char* /*content*/>>
+          scenario_files,
+      CodecLocation location);
+};
+
+}  // namespace audio
+}  // namespace bluetooth
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl