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-rw-r--r--services/audioflinger/A2dpAudioInterface.h138
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diff --git a/services/audioflinger/A2dpAudioInterface.h b/services/audioflinger/A2dpAudioInterface.h
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--- a/services/audioflinger/A2dpAudioInterface.h
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-/*
- * 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(AudioHardwareInterface* hw);
- virtual ~A2dpAudioInterface();
- virtual status_t initCheck();
-
- virtual status_t setVoiceVolume(float volume);
- virtual status_t setMasterVolume(float volume);
-
- virtual status_t setMode(int mode);
-
- // mic mute
- virtual status_t setMicMute(bool state);
- virtual status_t getMicMute(bool* state);
-
- virtual status_t setParameters(const String8& keyValuePairs);
- virtual String8 getParameters(const String8& keys);
-
- virtual size_t getInputBufferSize(uint32_t sampleRate, int format, int channelCount);
-
- // create I/O streams
- virtual AudioStreamOut* openOutputStream(
- uint32_t devices,
- int *format=0,
- uint32_t *channels=0,
- uint32_t *sampleRate=0,
- status_t *status=0);
- virtual void closeOutputStream(AudioStreamOut* out);
-
- virtual AudioStreamIn* openInputStream(
- uint32_t devices,
- int *format,
- uint32_t *channels,
- uint32_t *sampleRate,
- status_t *status,
- AudioSystem::audio_in_acoustics acoustics);
- virtual void closeInputStream(AudioStreamIn* in);
-// static AudioHardwareInterface* createA2dpInterface();
-
-protected:
- virtual status_t dump(int fd, const Vector<String16>& args);
-
-private:
- class A2dpAudioStreamOut : public AudioStreamOut {
- public:
- A2dpAudioStreamOut();
- virtual ~A2dpAudioStreamOut();
- status_t set(uint32_t device,
- int *pFormat,
- uint32_t *pChannels,
- uint32_t *pRate);
- virtual uint32_t sampleRate() const { return 44100; }
- // SBC codec wants a multiple of 512
- virtual size_t bufferSize() const { return 512 * 20; }
- virtual uint32_t channels() const { return AudioSystem::CHANNEL_OUT_STEREO; }
- 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 left, float right) { return INVALID_OPERATION; }
- virtual ssize_t write(const void* buffer, size_t bytes);
- status_t standby();
- virtual status_t dump(int fd, const Vector<String16>& args);
- virtual status_t setParameters(const String8& keyValuePairs);
- virtual String8 getParameters(const String8& keys);
- virtual status_t getRenderPosition(uint32_t *dspFrames);
-
- private:
- friend class A2dpAudioInterface;
- status_t init();
- status_t close();
- status_t close_l();
- status_t setAddress(const char* address);
- status_t setBluetoothEnabled(bool enabled);
- status_t setSuspended(bool onOff);
- status_t standby_l();
-
- private:
- int mFd;
- bool mStandby;
- int mStartCount;
- int mRetryCount;
- char mA2dpAddress[20];
- void* mData;
- Mutex mLock;
- bool mBluetoothEnabled;
- uint32_t mDevice;
- bool mClosing;
- bool mSuspended;
- nsecs_t mLastWriteTime;
- uint32_t mBufferDurationUs;
- };
-
- friend class A2dpAudioStreamOut;
-
- A2dpAudioStreamOut* mOutput;
- AudioHardwareInterface *mHardwareInterface;
- char mA2dpAddress[20];
- bool mBluetoothEnabled;
- bool mSuspended;
-};
-
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // A2DP_AUDIO_HARDWARE_H