/*
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**
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** Copyright 2008, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef ANDROID_MEDIAPLAYERSERVICE_H
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#define ANDROID_MEDIAPLAYERSERVICE_H
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#include <arpa/inet.h>
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#include <utils/threads.h>
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#include <utils/Errors.h>
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#include <utils/KeyedVector.h>
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#include <utils/String8.h>
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#include <utils/Vector.h>
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#include <media/MediaPlayerInterface.h>
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#include <media/Metadata.h>
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#include <media/stagefright/foundation/ABase.h>
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#include <system/audio.h>
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namespace android {
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struct AudioPlaybackRate;
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class AudioTrack;
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struct AVSyncSettings;
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class DeathNotifier;
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class IDataSource;
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class IMediaRecorder;
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class IMediaMetadataRetriever;
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class IRemoteDisplay;
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class IRemoteDisplayClient;
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class MediaRecorderClient;
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#define CALLBACK_ANTAGONIZER 0
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#if CALLBACK_ANTAGONIZER
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class Antagonizer {
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public:
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Antagonizer(const sp<MediaPlayerBase::Listener> &listener);
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void start() { mActive = true; }
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void stop() { mActive = false; }
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void kill();
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private:
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static const int interval;
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Antagonizer();
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static int callbackThread(void* cookie);
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Mutex mLock;
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Condition mCondition;
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bool mExit;
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bool mActive;
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sp<MediaPlayerBase::Listener> mListener;
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};
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#endif
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class MediaPlayerService : public BnMediaPlayerService
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{
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class Client;
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class AudioOutput : public MediaPlayerBase::AudioSink
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{
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class CallbackData;
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public:
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AudioOutput(
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audio_session_t sessionId,
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uid_t uid,
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int pid,
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const audio_attributes_t * attr,
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const sp<AudioSystem::AudioDeviceCallback>& deviceCallback);
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virtual ~AudioOutput();
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virtual bool ready() const { return mTrack != 0; }
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virtual ssize_t bufferSize() const;
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virtual ssize_t frameCount() const;
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virtual ssize_t channelCount() const;
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virtual ssize_t frameSize() const;
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virtual uint32_t latency() const;
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virtual float msecsPerFrame() const;
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virtual status_t getPosition(uint32_t *position) const;
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virtual status_t getTimestamp(AudioTimestamp &ts) const;
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virtual int64_t getPlayedOutDurationUs(int64_t nowUs) const;
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virtual status_t getFramesWritten(uint32_t *frameswritten) const;
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virtual audio_session_t getSessionId() const;
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virtual uint32_t getSampleRate() const;
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virtual int64_t getBufferDurationInUs() const;
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virtual status_t open(
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uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask,
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audio_format_t format, int bufferCount,
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AudioCallback cb, void *cookie,
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audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
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const audio_offload_info_t *offloadInfo = NULL,
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bool doNotReconnect = false,
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uint32_t suggestedFrameCount = 0);
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virtual status_t start();
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virtual ssize_t write(const void* buffer, size_t size, bool blocking = true);
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virtual void stop();
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virtual void flush();
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virtual void pause();
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virtual void close();
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void setAudioStreamType(audio_stream_type_t streamType);
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virtual audio_stream_type_t getAudioStreamType() const { return mStreamType; }
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void setAudioAttributes(const audio_attributes_t * attributes);
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void setVolume(float left, float right);
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virtual status_t setPlaybackRate(const AudioPlaybackRate& rate);
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virtual status_t getPlaybackRate(AudioPlaybackRate* rate /* nonnull */);
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status_t setAuxEffectSendLevel(float level);
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status_t attachAuxEffect(int effectId);
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virtual status_t dump(int fd, const Vector<String16>& args) const;
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static bool isOnEmulator();
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static int getMinBufferCount();
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void setNextOutput(const sp<AudioOutput>& nextOutput);
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void switchToNextOutput();
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virtual bool needsTrailingPadding() { return mNextOutput == NULL; }
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virtual status_t setParameters(const String8& keyValuePairs);
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virtual String8 getParameters(const String8& keys);
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virtual media::VolumeShaper::Status applyVolumeShaper(
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const sp<media::VolumeShaper::Configuration>& configuration,
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const sp<media::VolumeShaper::Operation>& operation) override;
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virtual sp<media::VolumeShaper::State> getVolumeShaperState(int id) override;
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// AudioRouting
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virtual status_t setOutputDevice(audio_port_handle_t deviceId);
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virtual status_t getRoutedDeviceId(audio_port_handle_t* deviceId);
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virtual status_t enableAudioDeviceCallback(bool enabled);
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private:
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static void setMinBufferCount();
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static void CallbackWrapper(
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int event, void *me, void *info);
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void deleteRecycledTrack_l();
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void close_l();
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status_t updateTrack();
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sp<AudioTrack> mTrack;
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sp<AudioTrack> mRecycledTrack;
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sp<AudioOutput> mNextOutput;
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AudioCallback mCallback;
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void * mCallbackCookie;
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CallbackData * mCallbackData;
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audio_stream_type_t mStreamType;
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audio_attributes_t * mAttributes;
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float mLeftVolume;
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float mRightVolume;
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AudioPlaybackRate mPlaybackRate;
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uint32_t mSampleRateHz; // sample rate of the content, as set in open()
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float mMsecsPerFrame;
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size_t mFrameSize;
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audio_session_t mSessionId;
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uid_t mUid;
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int mPid;
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float mSendLevel;
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int mAuxEffectId;
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audio_output_flags_t mFlags;
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sp<media::VolumeHandler> mVolumeHandler;
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audio_port_handle_t mSelectedDeviceId;
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audio_port_handle_t mRoutedDeviceId;
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bool mDeviceCallbackEnabled;
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wp<AudioSystem::AudioDeviceCallback> mDeviceCallback;
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mutable Mutex mLock;
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// static variables below not protected by mutex
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static bool mIsOnEmulator;
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static int mMinBufferCount; // 12 for emulator; otherwise 4
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// CallbackData is what is passed to the AudioTrack as the "user" data.
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// We need to be able to target this to a different Output on the fly,
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// so we can't use the Output itself for this.
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class CallbackData {
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friend AudioOutput;
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public:
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explicit CallbackData(AudioOutput *cookie) {
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mData = cookie;
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mSwitching = false;
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}
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AudioOutput * getOutput() const { return mData; }
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void setOutput(AudioOutput* newcookie) { mData = newcookie; }
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// lock/unlock are used by the callback before accessing the payload of this object
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void lock() const { mLock.lock(); }
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void unlock() const { mLock.unlock(); }
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// tryBeginTrackSwitch/endTrackSwitch are used when the CallbackData is handed over
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// to the next sink.
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// tryBeginTrackSwitch() returns true only if it obtains the lock.
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bool tryBeginTrackSwitch() {
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LOG_ALWAYS_FATAL_IF(mSwitching, "tryBeginTrackSwitch() already called");
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if (mLock.tryLock() != OK) {
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return false;
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}
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mSwitching = true;
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return true;
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}
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void endTrackSwitch() {
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if (mSwitching) {
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mLock.unlock();
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}
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mSwitching = false;
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}
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private:
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AudioOutput * mData;
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mutable Mutex mLock; // a recursive mutex might make this unnecessary.
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bool mSwitching;
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DISALLOW_EVIL_CONSTRUCTORS(CallbackData);
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};
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}; // AudioOutput
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public:
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static void instantiate();
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// IMediaPlayerService interface
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virtual sp<IMediaRecorder> createMediaRecorder(const String16 &opPackageName);
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void removeMediaRecorderClient(const wp<MediaRecorderClient>& client);
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virtual sp<IMediaMetadataRetriever> createMetadataRetriever();
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virtual sp<IMediaPlayer> create(const sp<IMediaPlayerClient>& client,
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audio_session_t audioSessionId);
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virtual sp<IMediaCodecList> getCodecList() const;
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// virtual sp<IOMX> getOMX();
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virtual sp<IHDCP> makeHDCP(bool createEncryptionModule);
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virtual sp<IRemoteDisplay> listenForRemoteDisplay(const String16 &opPackageName,
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const sp<IRemoteDisplayClient>& client, const String8& iface);
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virtual status_t dump(int fd, const Vector<String16>& args);
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void removeClient(const wp<Client>& client);
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bool hasClient(wp<Client> client);
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enum {
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MEDIASERVER_PROCESS_DEATH = 0,
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MEDIAEXTRACTOR_PROCESS_DEATH = 1,
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MEDIACODEC_PROCESS_DEATH = 2,
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AUDIO_PROCESS_DEATH = 3, // currently no need to track this
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CAMERA_PROCESS_DEATH = 4
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};
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// Collect info of the codec usage from media player and media recorder
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virtual void addBatteryData(uint32_t params);
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// API for the Battery app to pull the data of codecs usage
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virtual status_t pullBatteryData(Parcel* reply);
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private:
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struct BatteryTracker {
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BatteryTracker();
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// Collect info of the codec usage from media player and media recorder
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void addBatteryData(uint32_t params);
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// API for the Battery app to pull the data of codecs usage
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status_t pullBatteryData(Parcel* reply);
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private:
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// For battery usage tracking purpose
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struct BatteryUsageInfo {
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// how many streams are being played by one UID
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int refCount;
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// a temp variable to store the duration(ms) of audio codecs
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// when we start a audio codec, we minus the system time from audioLastTime
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// when we pause it, we add the system time back to the audioLastTime
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// so after the pause, audioLastTime = pause time - start time
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// if multiple audio streams are played (or recorded), then audioLastTime
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// = the total playing time of all the streams
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int32_t audioLastTime;
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// when all the audio streams are being paused, we assign audioLastTime to
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// this variable, so this value could be provided to the battery app
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// in the next pullBatteryData call
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int32_t audioTotalTime;
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int32_t videoLastTime;
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int32_t videoTotalTime;
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};
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KeyedVector<int, BatteryUsageInfo> mBatteryData;
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enum {
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SPEAKER,
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OTHER_AUDIO_DEVICE,
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SPEAKER_AND_OTHER,
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NUM_AUDIO_DEVICES
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};
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struct BatteryAudioFlingerUsageInfo {
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int refCount; // how many audio streams are being played
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int deviceOn[NUM_AUDIO_DEVICES]; // whether the device is currently used
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int32_t lastTime[NUM_AUDIO_DEVICES]; // in ms
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// totalTime[]: total time of audio output devices usage
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int32_t totalTime[NUM_AUDIO_DEVICES]; // in ms
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};
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// This varialble is used to record the usage of audio output device
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// for battery app
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BatteryAudioFlingerUsageInfo mBatteryAudio;
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mutable Mutex mLock;
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};
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BatteryTracker mBatteryTracker;
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class Client : public BnMediaPlayer {
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// IMediaPlayer interface
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virtual void disconnect();
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virtual status_t setVideoSurfaceTexture(
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const sp<IGraphicBufferProducer>& bufferProducer);
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virtual status_t setBufferingSettings(const BufferingSettings& buffering) override;
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virtual status_t getBufferingSettings(
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BufferingSettings* buffering /* nonnull */) override;
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virtual status_t prepareAsync();
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virtual status_t start();
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virtual status_t stop();
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virtual status_t pause();
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virtual status_t isPlaying(bool* state);
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virtual status_t setPlaybackSettings(const AudioPlaybackRate& rate);
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virtual status_t getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */);
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virtual status_t setSyncSettings(const AVSyncSettings& rate, float videoFpsHint);
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virtual status_t getSyncSettings(AVSyncSettings* rate /* nonnull */,
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float* videoFps /* nonnull */);
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virtual status_t seekTo(
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int msec,
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MediaPlayerSeekMode mode = MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC);
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virtual status_t getCurrentPosition(int* msec);
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virtual status_t getDuration(int* msec);
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virtual status_t reset();
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virtual status_t notifyAt(int64_t mediaTimeUs);
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virtual status_t setAudioStreamType(audio_stream_type_t type);
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virtual status_t setLooping(int loop);
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virtual status_t setVolume(float leftVolume, float rightVolume);
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virtual status_t invoke(const Parcel& request, Parcel *reply);
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virtual status_t setMetadataFilter(const Parcel& filter);
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virtual status_t getMetadata(bool update_only,
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bool apply_filter,
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Parcel *reply);
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virtual status_t setAuxEffectSendLevel(float level);
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virtual status_t attachAuxEffect(int effectId);
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virtual status_t setParameter(int key, const Parcel &request);
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virtual status_t getParameter(int key, Parcel *reply);
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virtual status_t setRetransmitEndpoint(const struct sockaddr_in* endpoint);
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virtual status_t getRetransmitEndpoint(struct sockaddr_in* endpoint);
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virtual status_t setNextPlayer(const sp<IMediaPlayer>& player);
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/* add by Gary. start {{----------------------------------- */
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/* expend interfaces about subtitle, track and so on */
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virtual status_t setSubCharset(const char *charset);
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virtual status_t getSubCharset(char *charset);
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virtual status_t setSubDelay(int time);
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virtual int getSubDelay();
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/* add by Gary. end -----------------------------------}} */
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virtual media::VolumeShaper::Status applyVolumeShaper(
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const sp<media::VolumeShaper::Configuration>& configuration,
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const sp<media::VolumeShaper::Operation>& operation) override;
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virtual sp<media::VolumeShaper::State> getVolumeShaperState(int id) override;
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sp<MediaPlayerBase> createPlayer(player_type playerType);
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virtual status_t setDataSource(
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const sp<IMediaHTTPService> &httpService,
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const char *url,
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const KeyedVector<String8, String8> *headers);
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virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
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virtual status_t setDataSource(const sp<IStreamSource> &source);
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virtual status_t setDataSource(const sp<IDataSource> &source);
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sp<MediaPlayerBase> setDataSource_pre(player_type playerType);
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status_t setDataSource_post(const sp<MediaPlayerBase>& p,
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status_t status);
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void notify(int msg, int ext1, int ext2, const Parcel *obj);
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pid_t pid() const { return mPid; }
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virtual status_t dump(int fd, const Vector<String16>& args);
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audio_session_t getAudioSessionId() { return mAudioSessionId; }
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// Modular DRM
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virtual status_t prepareDrm(const uint8_t uuid[16], const Vector<uint8_t>& drmSessionId);
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virtual status_t releaseDrm();
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// AudioRouting
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virtual status_t setOutputDevice(audio_port_handle_t deviceId);
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virtual status_t getRoutedDeviceId(audio_port_handle_t* deviceId);
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virtual status_t enableAudioDeviceCallback(bool enabled);
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private:
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class AudioDeviceUpdatedNotifier: public AudioSystem::AudioDeviceCallback
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{
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public:
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AudioDeviceUpdatedNotifier(const sp<MediaPlayerBase>& listener) {
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mListener = listener;
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}
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~AudioDeviceUpdatedNotifier() {}
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virtual void onAudioDeviceUpdate(audio_io_handle_t audioIo,
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audio_port_handle_t deviceId);
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private:
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wp<MediaPlayerBase> mListener;
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};
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friend class MediaPlayerService;
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Client( const sp<MediaPlayerService>& service,
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pid_t pid,
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int32_t connId,
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const sp<IMediaPlayerClient>& client,
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audio_session_t audioSessionId,
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uid_t uid);
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Client();
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virtual ~Client();
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void deletePlayer();
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sp<MediaPlayerBase> getPlayer() const { Mutex::Autolock lock(mLock); return mPlayer; }
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// @param type Of the metadata to be tested.
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// @return true if the metadata should be dropped according to
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// the filters.
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bool shouldDropMetadata(media::Metadata::Type type) const;
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// Add a new element to the set of metadata updated. Noop if
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// the element exists already.
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// @param type Of the metadata to be recorded.
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void addNewMetadataUpdate(media::Metadata::Type type);
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// Disconnect from the currently connected ANativeWindow.
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void disconnectNativeWindow_l();
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status_t setAudioAttributes_l(const Parcel &request);
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#if defined(SUPPORT_BDMV)
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uint32_t checkAndMountISO(const char *filePath);
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#endif
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class Listener : public MediaPlayerBase::Listener {
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public:
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Listener(const wp<Client> &client) : mClient(client) {}
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virtual ~Listener() {}
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virtual void notify(int msg, int ext1, int ext2, const Parcel *obj) {
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sp<Client> client = mClient.promote();
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if (client != NULL) {
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client->notify(msg, ext1, ext2, obj);
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}
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}
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private:
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wp<Client> mClient;
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};
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mutable Mutex mLock;
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sp<MediaPlayerBase> mPlayer;
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sp<MediaPlayerService> mService;
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sp<IMediaPlayerClient> mClient;
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sp<AudioOutput> mAudioOutput;
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pid_t mPid;
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status_t mStatus;
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bool mLoop;
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int32_t mConnId;
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audio_session_t mAudioSessionId;
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audio_attributes_t * mAudioAttributes;
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uid_t mUid;
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sp<ANativeWindow> mConnectedWindow;
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sp<IBinder> mConnectedWindowBinder;
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struct sockaddr_in mRetransmitEndpoint;
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bool mRetransmitEndpointValid;
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sp<Client> mNextClient;
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sp<MediaPlayerBase::Listener> mListener;
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/* add by Gary. start {{----------------------------------- */
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/* 2011-9-28 16:28:24 */
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/* save properties before creating the real player */
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int mSubDelay;
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char mSubCharset[MEDIAPLAYER_NAME_LEN_MAX];
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/* add by Gary. end -----------------------------------}} */
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// Metadata filters.
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media::Metadata::Filter mMetadataAllow; // protected by mLock
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media::Metadata::Filter mMetadataDrop; // protected by mLock
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// Metadata updated. For each MEDIA_INFO_METADATA_UPDATE
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// notification we try to update mMetadataUpdated which is a
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// set: no duplicate.
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// getMetadata clears this set.
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media::Metadata::Filter mMetadataUpdated; // protected by mLock
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std::vector<DeathNotifier> mDeathNotifiers;
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sp<AudioDeviceUpdatedNotifier> mAudioDeviceUpdatedListener;
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#if defined(SUPPORT_BDMV)
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sp<IBinder> isoManager;
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bool isBlurayISO;
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#endif
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#if CALLBACK_ANTAGONIZER
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Antagonizer* mAntagonizer;
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#endif
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}; // Client
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// ----------------------------------------------------------------------------
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MediaPlayerService();
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virtual ~MediaPlayerService();
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mutable Mutex mLock;
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SortedVector< wp<Client> > mClients;
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SortedVector< wp<MediaRecorderClient> > mMediaRecorderClients;
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int32_t mNextConnId;
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};
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// ----------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_MEDIAPLAYERSERVICE_H
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