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Commit 5f78a48b authored by The Android Open Source Project's avatar The Android Open Source Project
Browse files

auto import from //branches/cupcake/...@127101

parent 8a7a6753

camera/libcameraservice/CameraService.cpp

+42 −14
Original line number Diff line number Diff line
@@ -166,22 +166,26 @@ CameraService::Client::Client(const sp<CameraService>& cameraService, 


status_t CameraService::Client::checkPid()

{

    // zero means the interface is not locked down

    if (mClientPid == 0) return NO_ERROR;

    return (int) mClientPid == IPCThreadState::self()->getCallingPid() ? NO_ERROR : -EBUSY;

    if (mClientPid == IPCThreadState::self()->getCallingPid()) return NO_ERROR;

    LOGW("Attempt to use locked camera from different process");

    return -EBUSY;

}



status_t CameraService::Client::lock()

{

    // lock camera to this client

    status_t result = checkPid();

    if (result == NO_ERROR) mClientPid = IPCThreadState::self()->getCallingPid();

    return result;

    // lock camera to this client if the the camera is unlocked

    if (mClientPid == 0) {

        mClientPid = IPCThreadState::self()->getCallingPid();

        return NO_ERROR;

    }

    // returns NO_ERROR if the client already owns the camera, -EBUSY otherwise

    return checkPid();

}



status_t CameraService::Client::unlock()

{

    // allow anyone to use camera

    LOGV("unlock");

    status_t result = checkPid();

    if (result == NO_ERROR) mClientPid = 0;

    return result;
@@ -189,12 +193,29 @@ status_t CameraService::Client::unlock() 


status_t CameraService::Client::connect(const sp<ICameraClient>& client)

{

    // remove old client

    LOGV("connect new client to existing camera");

    // connect a new process to the camera

    LOGV("connect");



    // hold a reference to the old client or we will deadlock if the client is

    // in the same process and we hold the lock when we remove the reference

    sp<ICameraClient> oldClient;

    {

        Mutex::Autolock _l(mLock);

        if (mClientPid != 0) {

            LOGW("Tried to connect to locked camera");

            return -EBUSY;

        }

        oldClient = mCameraClient;



        // did the client actually change?

        if (client->asBinder() == mCameraClient->asBinder()) return NO_ERROR;



        LOGV("connect new process to existing camera client");

        mCameraClient = client;

        mClientPid = IPCThreadState::self()->getCallingPid();

        mFrameCallbackFlag = FRAME_CALLBACK_FLAG_NOOP;

    }



    return NO_ERROR;

}
@@ -210,7 +231,7 @@ static void *unregister_surface(void *arg) 


CameraService::Client::~Client()

{

    // spin down hardware

    // tear down client

    LOGD("Client E destructor");

    if (mSurface != 0) {

#if HAVE_ANDROID_OS
@@ -227,6 +248,8 @@ CameraService::Client::~Client() 
#endif

    }



    // make sure we tear down the hardware

    mClientPid = IPCThreadState::self()->getCallingPid();

    disconnect();

    LOGD("Client X destructor");

}
@@ -235,7 +258,12 @@ void CameraService::Client::disconnect() 
{

    LOGD("Client E disconnect");

    Mutex::Autolock lock(mLock);

    if (mClientPid == 0) {

        LOGV("camera is unlocked, don't tear down hardware");

        return;

    }

    if (checkPid() != NO_ERROR) return;



    mCameraService->removeClient(mCameraClient);

    if (mHardware != 0) {

        // Before destroying mHardware, we must make sure it's in the

include/ui/Overlay.h

+3 −3
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ class IMemoryHeap; 
class OverlayRef : public LightRefBase<OverlayRef>

{

public:

    OverlayRef(overlay_handle_t const*, const sp<IOverlay>&,

    OverlayRef(overlay_handle_t, const sp<IOverlay>&,

            uint32_t w, uint32_t h, int32_t f, uint32_t ws, uint32_t hs);



    static sp<OverlayRef> readFromParcel(const Parcel& data);
@@ -53,7 +53,7 @@ private: 
    OverlayRef();

    virtual ~OverlayRef();



    overlay_handle_t const *mOverlayHandle;

    overlay_handle_t mOverlayHandle;

    sp<IOverlay> mOverlayChannel;

    uint32_t mWidth;

    uint32_t mHeight;
@@ -74,7 +74,7 @@ public: 
    void destroy();

    

    /* get the HAL handle for this overlay */

    overlay_handle_t const* getHandleRef() const;

    overlay_handle_t getHandleRef() const;



    /* blocks until an overlay buffer is available and return that buffer. */

    status_t dequeueBuffer(overlay_buffer_t* buffer);

include/utils/Parcel.h

+13 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#ifndef ANDROID_PARCEL_H

#define ANDROID_PARCEL_H



#include <cutils/native_handle.h>

#include <utils/Errors.h>

#include <utils/RefBase.h>

#include <utils/String16.h>
@@ -79,6 +80,9 @@ public: 
    status_t            writeStrongBinder(const sp<IBinder>& val);

    status_t            writeWeakBinder(const wp<IBinder>& val);



    // doesn't take ownership of the native_handle

    status_t            writeNativeHandle(const native_handle& handle);

    

    // Place a file descriptor into the parcel.  The given fd must remain

    // valid for the lifetime of the parcel.

    status_t            writeFileDescriptor(int fd);
@@ -109,6 +113,15 @@ public: 
    sp<IBinder>         readStrongBinder() const;

    wp<IBinder>         readWeakBinder() const;



    

    // if alloc is NULL, native_handle is allocated with malloc(), otherwise

    // alloc is used. If the function fails, the effects of alloc() must be

    // reverted by the caller.

    native_handle*     readNativeHandle(

            native_handle* (*alloc)(void* cookie, int numFds, int ints),

            void* cookie) const;



    

    // Retrieve a file descriptor from the parcel.  This returns the raw fd

    // in the parcel, which you do not own -- use dup() to get your own copy.

    int                 readFileDescriptor() const;

libs/audioflinger/A2dpAudioInterface.cpp

+1 −1
Original line number Diff line number Diff line
@@ -126,7 +126,7 @@ status_t A2dpAudioInterface::dump(int fd, const Vector<String16>& args) 
// ----------------------------------------------------------------------------



A2dpAudioInterface::A2dpAudioStreamOut::A2dpAudioStreamOut() :

    mFd(-1), mStandby(false), mStartCount(0), mRetryCount(0), mData(NULL),

    mFd(-1), mStandby(true), mStartCount(0), mRetryCount(0), mData(NULL),

    mInitialized(false)

{

    // use any address by default

libs/surfaceflinger/LayerBuffer.h

+1 −1
Original line number Diff line number Diff line
@@ -170,7 +170,7 @@ private: 
        bool mVisibilityChanged;



        overlay_t* mOverlay;        

        overlay_handle_t const *mOverlayHandle;

        overlay_handle_t mOverlayHandle;

        overlay_control_device_t* mOverlayDevice;

        uint32_t mWidth;

        uint32_t mHeight;