Implement audio devices and streams HAL delegating to legacy HAL
Changes made to the .hal definition:
- introduce Effect ID returned by the IEffectsFactory that
needs to be passed to IStream.{add|remove}Effect; otherwise
it's impossible to retrieve the underlying HAL effect handle;
- change "bus address" in DeviceAddress to "string" type;
- fix signature of some methods w.r.t. returning Result;
- remove unused "struct AudioPatch".
Bug: 30222631
Test: make
Change-Id: Icb51729ef57bb2a5b0b78609735e7481bc04f95c
diff --git a/audio/2.0/default/ParametersUtil.h b/audio/2.0/default/ParametersUtil.h
new file mode 100644
index 0000000..49036dc
--- /dev/null
+++ b/audio/2.0/default/ParametersUtil.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2016 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_hardware_audio_V2_0_ParametersUtil_H_
+#define android_hardware_audio_V2_0_ParametersUtil_H_
+
+#include <functional>
+#include <memory>
+
+#include <android/hardware/audio/2.0/types.h>
+#include <hidl/HidlSupport.h>
+#include <media/AudioParameter.h>
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace V2_0 {
+namespace implementation {
+
+using ::android::hardware::audio::V2_0::ParameterValue;
+using ::android::hardware::audio::V2_0::Result;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+
+class ParametersUtil {
+ public:
+ Result getParam(const char* name, bool* value);
+ Result getParam(const char* name, int* value);
+ Result getParam(const char* name, String8* value);
+ void getParametersImpl(
+ const hidl_vec<hidl_string>& keys,
+ std::function<void(Result retval, const hidl_vec<ParameterValue>& parameters)> cb);
+ std::unique_ptr<AudioParameter> getParams(const AudioParameter& keys);
+ Result setParam(const char* name, bool value);
+ Result setParam(const char* name, int value);
+ Result setParam(const char* name, const char* value);
+ Result setParametersImpl(const hidl_vec<ParameterValue>& parameters);
+ Result setParams(const AudioParameter& param);
+
+ protected:
+ virtual ~ParametersUtil() {}
+
+ virtual char* halGetParameters(const char* keys) = 0;
+ virtual int halSetParameters(const char* keysAndValues) = 0;
+};
+
+} // namespace implementation
+} // namespace V2_0
+} // namespace audio
+} // namespace hardware
+} // namespace android
+
+#endif // android_hardware_audio_V2_0_ParametersUtil_H_