Codec Extensibility A2DP HAL Reference Implementation
Test: m
Bug: 297037759
Change-Id: I84b32c2ef22da8c3e920e497501b9f16feaf803c
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadCodecSbc.h b/bluetooth/audio/aidl/default/A2dpOffloadCodecSbc.h
new file mode 100644
index 0000000..c380850
--- /dev/null
+++ b/bluetooth/audio/aidl/default/A2dpOffloadCodecSbc.h
@@ -0,0 +1,61 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include "A2dpOffloadCodec.h"
+
+namespace aidl::android::hardware::bluetooth::audio {
+
+struct SbcParameters : public CodecParameters {
+ enum class AllocationMethod { SNR, LOUDNESS };
+
+ AllocationMethod allocation_method;
+ int block_length;
+ int subbands;
+ int min_bitpool;
+ int max_bitpool;
+};
+
+class A2dpOffloadCodecSbc : public A2dpOffloadCodec {
+ CodecInfo info_;
+
+ A2dpOffloadCodecSbc();
+
+ A2dpStatus ParseConfiguration(const std::vector<uint8_t>& configuration,
+ CodecParameters* codec_parameters,
+ SbcParameters* sbc_parameters) const;
+
+ public:
+ static const A2dpOffloadCodecSbc* GetInstance();
+
+ A2dpStatus ParseConfiguration(
+ const std::vector<uint8_t>& configuration,
+ CodecParameters* codec_parameters) const override {
+ return ParseConfiguration(configuration, codec_parameters, nullptr);
+ }
+
+ A2dpStatus ParseConfiguration(const std::vector<uint8_t>& configuration,
+ SbcParameters* sbc_parameters) const {
+ return ParseConfiguration(configuration, sbc_parameters, sbc_parameters);
+ }
+
+ bool BuildConfiguration(const std::vector<uint8_t>& remote_capabilities,
+ const std::optional<CodecParameters>& hint,
+ std::vector<uint8_t>* configuration) const override;
+};
+
+} // namespace aidl::android::hardware::bluetooth::audio