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diff --git a/services/audiopolicy/common/managerdefinitions/include/IOProfile.h b/services/audiopolicy/common/managerdefinitions/include/IOProfile.h
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+++ b/services/audiopolicy/common/managerdefinitions/include/IOProfile.h
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+/*
+ * Copyright (C) 2015 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 "AudioPort.h"
+#include "DeviceDescriptor.h"
+#include <utils/String8.h>
+#include <system/audio.h>
+
+namespace android {
+
+class HwModule;
+
+// the IOProfile class describes the capabilities of an output or input stream.
+// It is currently assumed that all combination of listed parameters are supported.
+// It is used by the policy manager to determine if an output or input is suitable for
+// a given use case,  open/close it accordingly and connect/disconnect audio tracks
+// to/from it.
+class IOProfile : public AudioPort
+{
+public:
+    IOProfile(const String8& name, audio_port_role_t role, const sp<HwModule>& module);
+    virtual ~IOProfile();
+
+    // This method is used for both output and input.
+    // If parameter updatedSamplingRate is non-NULL, it is assigned the actual sample rate.
+    // For input, flags is interpreted as audio_input_flags_t.
+    // TODO: merge audio_output_flags_t and audio_input_flags_t.
+    bool isCompatibleProfile(audio_devices_t device,
+                             String8 address,
+                             uint32_t samplingRate,
+                             uint32_t *updatedSamplingRate,
+                             audio_format_t format,
+                             audio_channel_mask_t channelMask,
+                             uint32_t flags) const;
+
+    void dump(int fd);
+    void log();
+
+    DeviceVector  mSupportedDevices; // supported devices
+                                     // (devices this output can be routed to)
+};
+
+}; // namespace android