auto import from //depot/cupcake/@135843
diff --git a/libs/audioflinger/A2dpAudioInterface.h b/libs/audioflinger/A2dpAudioInterface.h
new file mode 100644
index 0000000..a56e8a0
--- /dev/null
+++ b/libs/audioflinger/A2dpAudioInterface.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2008 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 A2DP_AUDIO_HARDWARE_H
+#define A2DP_AUDIO_HARDWARE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/threads.h>
+
+#include <hardware_legacy/AudioHardwareBase.h>
+
+
+namespace android {
+
+class A2dpAudioInterface : public AudioHardwareBase
+{
+ class A2dpAudioStreamOut;
+
+public:
+ A2dpAudioInterface();
+ virtual ~A2dpAudioInterface();
+ virtual status_t initCheck();
+
+ virtual status_t setVoiceVolume(float volume);
+ virtual status_t setMasterVolume(float volume);
+
+ // mic mute
+ virtual status_t setMicMute(bool state);
+ virtual status_t getMicMute(bool* state);
+
+ // Temporary interface, do not use
+ // TODO: Replace with a more generic key:value get/set mechanism
+ virtual status_t setParameter(const char *key, const char *value);
+
+ // create I/O streams
+ virtual AudioStreamOut* openOutputStream(
+ int format=0,
+ int channelCount=0,
+ uint32_t sampleRate=0,
+ status_t *status=0);
+
+ virtual AudioStreamIn* openInputStream(
+ int format,
+ int channelCount,
+ uint32_t sampleRate,
+ status_t *status,
+ AudioSystem::audio_in_acoustics acoustics);
+
+protected:
+ virtual status_t doRouting();
+ virtual status_t dump(int fd, const Vector<String16>& args);
+
+private:
+ class A2dpAudioStreamOut : public AudioStreamOut {
+ public:
+ A2dpAudioStreamOut();
+ virtual ~A2dpAudioStreamOut();
+ status_t set(int format,
+ int channelCount,
+ uint32_t sampleRate);
+ virtual uint32_t sampleRate() const { return 44100; }
+ // SBC codec wants a multiple of 512
+ virtual size_t bufferSize() const { return 512 * 20; }
+ virtual int channelCount() const { return 2; }
+ virtual int format() const { return AudioSystem::PCM_16_BIT; }
+ virtual uint32_t latency() const { return ((1000*bufferSize())/frameSize())/sampleRate() + 200; }
+ virtual status_t setVolume(float volume) { return INVALID_OPERATION; }
+ virtual ssize_t write(const void* buffer, size_t bytes);
+ status_t standby();
+ status_t close();
+ virtual status_t dump(int fd, const Vector<String16>& args);
+
+ private:
+ friend class A2dpAudioInterface;
+ status_t setAddress(const char* address);
+
+ private:
+ int mFd;
+ bool mStandby;
+ int mStartCount;
+ int mRetryCount;
+ char mA2dpAddress[20];
+ void* mData;
+ };
+
+ Mutex mLock;
+ A2dpAudioStreamOut* mOutput;
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // A2DP_AUDIO_HARDWARE_H