split libsurfaceflinger_client and libcamera_client out of libui

6 files changed, 1322 insertions, 0 deletions

diff --git a/camera/Android.mk b/camera/Android.mk
new file mode 100644
index 0000000..03ff229
--- /dev/null
+++ b/camera/Android.mk
@@ -0,0 +1,25 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	Camera.cpp \
+	CameraParameters.cpp \
+	ICamera.cpp \
+	ICameraClient.cpp \
+	ICameraService.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libcutils \
+	libutils \
+	libbinder \
+	libhardware \
+	libsurfaceflinger_client \
+	libui
+
+LOCAL_MODULE:= libcamera_client
+
+ifeq ($(TARGET_SIMULATOR),true)
+    LOCAL_LDLIBS += -lpthread
+endif
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/camera/Camera.cpp b/camera/Camera.cpp
new file mode 100644
index 0000000..8620e71
--- /dev/null
+++ b/camera/Camera.cpp
@@ -0,0 +1,359 @@
+/*
+**
+** Copyright (C) 2008, The Android Open Source Project
+** Copyright (C) 2008 HTC Inc.
+**
+** 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.
+*/
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "Camera"
+#include <utils/Log.h>
+#include <utils/threads.h>
+
+#include <binder/IServiceManager.h>
+#include <binder/IMemory.h>
+
+#include <camera/Camera.h>
+#include <camera/ICameraService.h>
+
+#include <surfaceflinger/Surface.h>
+
+namespace android {
+
+// client singleton for camera service binder interface
+Mutex Camera::mLock;
+sp<ICameraService> Camera::mCameraService;
+sp<Camera::DeathNotifier> Camera::mDeathNotifier;
+
+// establish binder interface to camera service
+const sp<ICameraService>& Camera::getCameraService()
+{
+    Mutex::Autolock _l(mLock);
+    if (mCameraService.get() == 0) {
+        sp<IServiceManager> sm = defaultServiceManager();
+        sp<IBinder> binder;
+        do {
+            binder = sm->getService(String16("media.camera"));
+            if (binder != 0)
+                break;
+            LOGW("CameraService not published, waiting...");
+            usleep(500000); // 0.5 s
+        } while(true);
+        if (mDeathNotifier == NULL) {
+            mDeathNotifier = new DeathNotifier();
+        }
+        binder->linkToDeath(mDeathNotifier);
+        mCameraService = interface_cast<ICameraService>(binder);
+    }
+    LOGE_IF(mCameraService==0, "no CameraService!?");
+    return mCameraService;
+}
+
+// ---------------------------------------------------------------------------
+
+Camera::Camera()
+{
+    init();
+}
+
+// construct a camera client from an existing camera remote
+sp<Camera> Camera::create(const sp<ICamera>& camera)
+{
+     LOGV("create");
+     if (camera == 0) {
+         LOGE("camera remote is a NULL pointer");
+         return 0;
+     }
+
+    sp<Camera> c = new Camera();
+    if (camera->connect(c) == NO_ERROR) {
+        c->mStatus = NO_ERROR;
+        c->mCamera = camera;
+        camera->asBinder()->linkToDeath(c);
+    }
+    return c;
+}
+
+void Camera::init()
+{
+    mStatus = UNKNOWN_ERROR;
+}
+
+Camera::~Camera()
+{
+    disconnect();
+}
+
+sp<Camera> Camera::connect()
+{
+    LOGV("connect");
+    sp<Camera> c = new Camera();
+    const sp<ICameraService>& cs = getCameraService();
+    if (cs != 0) {
+        c->mCamera = cs->connect(c);
+    }
+    if (c->mCamera != 0) {
+        c->mCamera->asBinder()->linkToDeath(c);
+        c->mStatus = NO_ERROR;
+    } else {
+        c.clear();
+    }
+    return c;
+}
+
+void Camera::disconnect()
+{
+    LOGV("disconnect");
+    if (mCamera != 0) {
+        mCamera->disconnect();
+        mCamera = 0;
+    }
+}
+
+status_t Camera::reconnect()
+{
+    LOGV("reconnect");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->connect(this);
+}
+
+sp<ICamera> Camera::remote()
+{
+    return mCamera;
+}
+
+status_t Camera::lock()
+{
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->lock();
+}
+
+status_t Camera::unlock()
+{
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->unlock();
+}
+
+// pass the buffered ISurface to the camera service
+status_t Camera::setPreviewDisplay(const sp<Surface>& surface)
+{
+    LOGV("setPreviewDisplay");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    if (surface != 0) {
+        return c->setPreviewDisplay(surface->getISurface());
+    } else {
+        LOGD("app passed NULL surface");
+        return c->setPreviewDisplay(0);
+    }
+}
+
+status_t Camera::setPreviewDisplay(const sp<ISurface>& surface)
+{
+    LOGV("setPreviewDisplay");
+    if (surface == 0) {
+        LOGD("app passed NULL surface");
+    }
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->setPreviewDisplay(surface);
+}
+
+
+// start preview mode
+status_t Camera::startPreview()
+{
+    LOGV("startPreview");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->startPreview();
+}
+
+// start recording mode, must call setPreviewDisplay first
+status_t Camera::startRecording()
+{
+    LOGV("startRecording");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->startRecording();
+}
+
+// stop preview mode
+void Camera::stopPreview()
+{
+    LOGV("stopPreview");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return;
+    c->stopPreview();
+}
+
+// stop recording mode
+void Camera::stopRecording()
+{
+    LOGV("stopRecording");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return;
+    c->stopRecording();
+}
+
+// release a recording frame
+void Camera::releaseRecordingFrame(const sp<IMemory>& mem)
+{
+    LOGV("releaseRecordingFrame");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return;
+    c->releaseRecordingFrame(mem);
+}
+
+// get preview state
+bool Camera::previewEnabled()
+{
+    LOGV("previewEnabled");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return false;
+    return c->previewEnabled();
+}
+
+// get recording state
+bool Camera::recordingEnabled()
+{
+    LOGV("recordingEnabled");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return false;
+    return c->recordingEnabled();
+}
+
+status_t Camera::autoFocus()
+{
+    LOGV("autoFocus");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->autoFocus();
+}
+
+status_t Camera::cancelAutoFocus()
+{
+    LOGV("cancelAutoFocus");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->cancelAutoFocus();
+}
+
+// take a picture
+status_t Camera::takePicture()
+{
+    LOGV("takePicture");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->takePicture();
+}
+
+// set preview/capture parameters - key/value pairs
+status_t Camera::setParameters(const String8& params)
+{
+    LOGV("setParameters");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->setParameters(params);
+}
+
+// get preview/capture parameters - key/value pairs
+String8 Camera::getParameters() const
+{
+    LOGV("getParameters");
+    String8 params;
+    sp <ICamera> c = mCamera;
+    if (c != 0) params = mCamera->getParameters();
+    return params;
+}
+
+// send command to camera driver
+status_t Camera::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2)
+{
+    LOGV("sendCommand");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->sendCommand(cmd, arg1, arg2);
+}
+
+void Camera::setListener(const sp<CameraListener>& listener)
+{
+    Mutex::Autolock _l(mLock);
+    mListener = listener;
+}
+
+void Camera::setPreviewCallbackFlags(int flag)
+{
+    LOGV("setPreviewCallbackFlags");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return;
+    mCamera->setPreviewCallbackFlag(flag);
+}
+
+// callback from camera service
+void Camera::notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
+{
+    sp<CameraListener> listener;
+    {
+        Mutex::Autolock _l(mLock);
+        listener = mListener;
+    }
+    if (listener != NULL) {
+        listener->notify(msgType, ext1, ext2);
+    }
+}
+
+// callback from camera service when frame or image is ready
+void Camera::dataCallback(int32_t msgType, const sp<IMemory>& dataPtr)
+{
+    sp<CameraListener> listener;
+    {
+        Mutex::Autolock _l(mLock);
+        listener = mListener;
+    }
+    if (listener != NULL) {
+        listener->postData(msgType, dataPtr);
+    }
+}
+
+// callback from camera service when timestamped frame is ready
+void Camera::dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr)
+{
+    sp<CameraListener> listener;
+    {
+        Mutex::Autolock _l(mLock);
+        listener = mListener;
+    }
+    if (listener != NULL) {
+        listener->postDataTimestamp(timestamp, msgType, dataPtr);
+    }
+}
+
+void Camera::binderDied(const wp<IBinder>& who) {
+    LOGW("ICamera died");
+    notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_SERVER_DIED, 0);
+}
+
+void Camera::DeathNotifier::binderDied(const wp<IBinder>& who) {
+    LOGV("binderDied");
+    Mutex::Autolock _l(Camera::mLock);
+    Camera::mCameraService.clear();
+    LOGW("Camera server died!");
+}
+
+}; // namespace android
+
diff --git a/camera/CameraParameters.cpp b/camera/CameraParameters.cpp
new file mode 100644
index 0000000..1bf1759
--- /dev/null
+++ b/camera/CameraParameters.cpp
@@ -0,0 +1,369 @@
+/*
+**
+** Copyright 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.
+*/
+
+#define LOG_TAG "CameraParams"
+#include <utils/Log.h>
+
+#include <string.h>
+#include <stdlib.h>
+#include <camera/CameraParameters.h>
+
+namespace android {
+// Parameter keys to communicate between camera application and driver.
+const char CameraParameters::KEY_PREVIEW_SIZE[] = "preview-size";
+const char CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES[] = "preview-size-values";
+const char CameraParameters::KEY_PREVIEW_FORMAT[] = "preview-format";
+const char CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS[] = "preview-format-values";
+const char CameraParameters::KEY_PREVIEW_FRAME_RATE[] = "preview-frame-rate";
+const char CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES[] = "preview-frame-rate-values";
+const char CameraParameters::KEY_PICTURE_SIZE[] = "picture-size";
+const char CameraParameters::KEY_SUPPORTED_PICTURE_SIZES[] = "picture-size-values";
+const char CameraParameters::KEY_PICTURE_FORMAT[] = "picture-format";
+const char CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS[] = "picture-format-values";
+const char CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH[] = "jpeg-thumbnail-width";
+const char CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT[] = "jpeg-thumbnail-height";
+const char CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES[] = "jpeg-thumbnail-size-values";
+const char CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY[] = "jpeg-thumbnail-quality";
+const char CameraParameters::KEY_JPEG_QUALITY[] = "jpeg-quality";
+const char CameraParameters::KEY_ROTATION[] = "rotation";
+const char CameraParameters::KEY_GPS_LATITUDE[] = "gps-latitude";
+const char CameraParameters::KEY_GPS_LONGITUDE[] = "gps-longitude";
+const char CameraParameters::KEY_GPS_ALTITUDE[] = "gps-altitude";
+const char CameraParameters::KEY_GPS_TIMESTAMP[] = "gps-timestamp";
+const char CameraParameters::KEY_WHITE_BALANCE[] = "whitebalance";
+const char CameraParameters::KEY_SUPPORTED_WHITE_BALANCE[] = "whitebalance-values";
+const char CameraParameters::KEY_EFFECT[] = "effect";
+const char CameraParameters::KEY_SUPPORTED_EFFECTS[] = "effect-values";
+const char CameraParameters::KEY_ANTIBANDING[] = "antibanding";
+const char CameraParameters::KEY_SUPPORTED_ANTIBANDING[] = "antibanding-values";
+const char CameraParameters::KEY_SCENE_MODE[] = "scene-mode";
+const char CameraParameters::KEY_SUPPORTED_SCENE_MODES[] = "scene-mode-values";
+const char CameraParameters::KEY_FLASH_MODE[] = "flash-mode";
+const char CameraParameters::KEY_SUPPORTED_FLASH_MODES[] = "flash-mode-values";
+const char CameraParameters::KEY_FOCUS_MODE[] = "focus-mode";
+const char CameraParameters::KEY_SUPPORTED_FOCUS_MODES[] = "focus-mode-values";
+const char CameraParameters::KEY_FOCAL_LENGTH[] = "focal-length";
+const char CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE[] = "horizontal-view-angle";
+const char CameraParameters::KEY_VERTICAL_VIEW_ANGLE[] = "vertical-view-angle";
+const char CameraParameters::KEY_EXPOSURE_COMPENSATION[] = "exposure-compensation";
+const char CameraParameters::KEY_SUPPORTED_EXPOSURE_COMPENSATION[] = "exposure-compensation-values";
+
+// Values for white balance settings.
+const char CameraParameters::WHITE_BALANCE_AUTO[] = "auto";
+const char CameraParameters::WHITE_BALANCE_INCANDESCENT[] = "incandescent";
+const char CameraParameters::WHITE_BALANCE_FLUORESCENT[] = "fluorescent";
+const char CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT[] = "warm-fluorescent";
+const char CameraParameters::WHITE_BALANCE_DAYLIGHT[] = "daylight";
+const char CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT[] = "cloudy-daylight";
+const char CameraParameters::WHITE_BALANCE_TWILIGHT[] = "twilight";
+const char CameraParameters::WHITE_BALANCE_SHADE[] = "shade";
+
+// Values for effect settings.
+const char CameraParameters::EFFECT_NONE[] = "none";
+const char CameraParameters::EFFECT_MONO[] = "mono";
+const char CameraParameters::EFFECT_NEGATIVE[] = "negative";
+const char CameraParameters::EFFECT_SOLARIZE[] = "solarize";
+const char CameraParameters::EFFECT_SEPIA[] = "sepia";
+const char CameraParameters::EFFECT_POSTERIZE[] = "posterize";
+const char CameraParameters::EFFECT_WHITEBOARD[] = "whiteboard";
+const char CameraParameters::EFFECT_BLACKBOARD[] = "blackboard";
+const char CameraParameters::EFFECT_AQUA[] = "aqua";
+
+// Values for antibanding settings.
+const char CameraParameters::ANTIBANDING_AUTO[] = "auto";
+const char CameraParameters::ANTIBANDING_50HZ[] = "50hz";
+const char CameraParameters::ANTIBANDING_60HZ[] = "60hz";
+const char CameraParameters::ANTIBANDING_OFF[] = "off";
+
+// Values for flash mode settings.
+const char CameraParameters::FLASH_MODE_OFF[] = "off";
+const char CameraParameters::FLASH_MODE_AUTO[] = "auto";
+const char CameraParameters::FLASH_MODE_ON[] = "on";
+const char CameraParameters::FLASH_MODE_RED_EYE[] = "red-eye";
+const char CameraParameters::FLASH_MODE_TORCH[] = "torch";
+
+// Values for scene mode settings.
+const char CameraParameters::SCENE_MODE_AUTO[] = "auto";
+const char CameraParameters::SCENE_MODE_ACTION[] = "action";
+const char CameraParameters::SCENE_MODE_PORTRAIT[] = "portrait";
+const char CameraParameters::SCENE_MODE_LANDSCAPE[] = "landscape";
+const char CameraParameters::SCENE_MODE_NIGHT[] = "night";
+const char CameraParameters::SCENE_MODE_NIGHT_PORTRAIT[] = "night-portrait";
+const char CameraParameters::SCENE_MODE_THEATRE[] = "theatre";
+const char CameraParameters::SCENE_MODE_BEACH[] = "beach";
+const char CameraParameters::SCENE_MODE_SNOW[] = "snow";
+const char CameraParameters::SCENE_MODE_SUNSET[] = "sunset";
+const char CameraParameters::SCENE_MODE_STEADYPHOTO[] = "steadyphoto";
+const char CameraParameters::SCENE_MODE_FIREWORKS[] = "fireworks";
+const char CameraParameters::SCENE_MODE_SPORTS[] = "sports";
+const char CameraParameters::SCENE_MODE_PARTY[] = "party";
+const char CameraParameters::SCENE_MODE_CANDLELIGHT[] = "candlelight";
+
+// Formats for setPreviewFormat and setPictureFormat.
+const char CameraParameters::PIXEL_FORMAT_YUV422SP[] = "yuv422sp";
+const char CameraParameters::PIXEL_FORMAT_YUV420SP[] = "yuv420sp";
+const char CameraParameters::PIXEL_FORMAT_YUV422I[] = "yuv422i-yuyv";
+const char CameraParameters::PIXEL_FORMAT_RGB565[] = "rgb565";
+const char CameraParameters::PIXEL_FORMAT_JPEG[] = "jpeg";
+
+// Values for focus mode settings.
+const char CameraParameters::FOCUS_MODE_AUTO[] = "auto";
+const char CameraParameters::FOCUS_MODE_INFINITY[] = "infinity";
+const char CameraParameters::FOCUS_MODE_MACRO[] = "macro";
+const char CameraParameters::FOCUS_MODE_FIXED[] = "fixed";
+
+CameraParameters::CameraParameters()
+                : mMap()
+{
+}
+
+CameraParameters::~CameraParameters()
+{
+}
+
+String8 CameraParameters::flatten() const
+{
+    String8 flattened("");
+    size_t size = mMap.size();
+
+    for (size_t i = 0; i < size; i++) {
+        String8 k, v;
+        k = mMap.keyAt(i);
+        v = mMap.valueAt(i);
+
+        flattened += k;
+        flattened += "=";
+        flattened += v;
+        if (i != size-1)
+            flattened += ";";
+    }
+
+    return flattened;
+}
+
+void CameraParameters::unflatten(const String8 &params)
+{
+    const char *a = params.string();
+    const char *b;
+
+    mMap.clear();
+
+    for (;;) {
+        // Find the bounds of the key name.
+        b = strchr(a, '=');
+        if (b == 0)
+            break;
+
+        // Create the key string.
+        String8 k(a, (size_t)(b-a));
+
+        // Find the value.
+        a = b+1;
+        b = strchr(a, ';');
+        if (b == 0) {
+            // If there's no semicolon, this is the last item.
+            String8 v(a);
+            mMap.add(k, v);
+            break;
+        }
+
+        String8 v(a, (size_t)(b-a));
+        mMap.add(k, v);
+        a = b+1;
+    }
+}
+
+
+void CameraParameters::set(const char *key, const char *value)
+{
+    // XXX i think i can do this with strspn()
+    if (strchr(key, '=') || strchr(key, ';')) {
+        //XXX LOGE("Key \"%s\"contains invalid character (= or ;)", key);
+        return;
+    }
+
+    if (strchr(value, '=') || strchr(key, ';')) {
+        //XXX LOGE("Value \"%s\"contains invalid character (= or ;)", value);
+        return;
+    }
+
+    mMap.replaceValueFor(String8(key), String8(value));
+}
+
+void CameraParameters::set(const char *key, int value)
+{
+    char str[16];
+    sprintf(str, "%d", value);
+    set(key, str);
+}
+
+void CameraParameters::setFloat(const char *key, float value)
+{
+    char str[16];  // 14 should be enough. We overestimate to be safe.
+    snprintf(str, sizeof(str), "%g", value);
+    set(key, str);
+}
+
+const char *CameraParameters::get(const char *key) const
+{
+    String8 v = mMap.valueFor(String8(key));
+    if (v.length() == 0)
+        return 0;
+    return v.string();
+}
+
+int CameraParameters::getInt(const char *key) const
+{
+    const char *v = get(key);
+    if (v == 0)
+        return -1;
+    return strtol(v, 0, 0);
+}
+
+float CameraParameters::getFloat(const char *key) const
+{
+    const char *v = get(key);
+    if (v == 0) return -1;
+    return strtof(v, 0);
+}
+
+static int parse_size(const char *str, int &width, int &height)
+{
+    // Find the width.
+    char *end;
+    int w = (int)strtol(str, &end, 10);
+    // If an 'x' does not immediately follow, give up.
+    if (*end != 'x')
+        return -1;
+
+    // Find the height, immediately after the 'x'.
+    int h = (int)strtol(end+1, 0, 10);
+
+    width = w;
+    height = h;
+
+    return 0;
+}
+
+void CameraParameters::setPreviewSize(int width, int height)
+{
+    char str[32];
+    sprintf(str, "%dx%d", width, height);
+    set(KEY_PREVIEW_SIZE, str);
+}
+
+void CameraParameters::getPreviewSize(int *width, int *height) const
+{
+    *width = -1;
+    *height = -1;
+
+    // Get the current string, if it doesn't exist, leave the -1x-1
+    const char *p = get(KEY_PREVIEW_SIZE);
+    if (p == 0)
+        return;
+
+    int w, h;
+    if (parse_size(p, w, h) == 0) {
+        *width = w;
+        *height = h;
+    }
+}
+
+void CameraParameters::setPreviewFrameRate(int fps)
+{
+    set(KEY_PREVIEW_FRAME_RATE, fps);
+}
+
+int CameraParameters::getPreviewFrameRate() const
+{
+    return getInt(KEY_PREVIEW_FRAME_RATE);
+}
+
+void CameraParameters::setPreviewFormat(const char *format)
+{
+    set(KEY_PREVIEW_FORMAT, format);
+}
+
+const char *CameraParameters::getPreviewFormat() const
+{
+    return get(KEY_PREVIEW_FORMAT);
+}
+
+void CameraParameters::setPictureSize(int width, int height)
+{
+    char str[32];
+    sprintf(str, "%dx%d", width, height);
+    set(KEY_PICTURE_SIZE, str);
+}
+
+void CameraParameters::getPictureSize(int *width, int *height) const
+{
+    *width = -1;
+    *height = -1;
+
+    // Get the current string, if it doesn't exist, leave the -1x-1
+    const char *p = get(KEY_PICTURE_SIZE);
+    if (p == 0)
+        return;
+
+    int w, h;
+    if (parse_size(p, w, h) == 0) {
+        *width = w;
+        *height = h;
+    }
+}
+
+void CameraParameters::setPictureFormat(const char *format)
+{
+    set(KEY_PICTURE_FORMAT, format);
+}
+
+const char *CameraParameters::getPictureFormat() const
+{
+    return get(KEY_PICTURE_FORMAT);
+}
+
+void CameraParameters::dump() const
+{
+    LOGD("dump: mMap.size = %d", mMap.size());
+    for (size_t i = 0; i < mMap.size(); i++) {
+        String8 k, v;
+        k = mMap.keyAt(i);
+        v = mMap.valueAt(i);
+        LOGD("%s: %s\n", k.string(), v.string());
+    }
+}
+
+status_t CameraParameters::dump(int fd, const Vector<String16>& args) const
+{
+    const size_t SIZE = 256;
+    char buffer[SIZE];
+    String8 result;
+    snprintf(buffer, 255, "CameraParameters::dump: mMap.size = %d\n", mMap.size());
+    result.append(buffer);
+    for (size_t i = 0; i < mMap.size(); i++) {
+        String8 k, v;
+        k = mMap.keyAt(i);
+        v = mMap.valueAt(i);
+        snprintf(buffer, 255, "\t%s: %s\n", k.string(), v.string());
+        result.append(buffer);
+    }
+    write(fd, result.string(), result.size());
+    return NO_ERROR;
+}
+
+}; // namespace android
diff --git a/camera/ICamera.cpp b/camera/ICamera.cpp
new file mode 100644
index 0000000..724bd20
--- /dev/null
+++ b/camera/ICamera.cpp
@@ -0,0 +1,379 @@
+/*
+**
+** Copyright 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.
+*/
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "ICamera"
+#include <utils/Log.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <binder/Parcel.h>
+#include <camera/ICamera.h>
+
+namespace android {
+
+enum {
+    DISCONNECT = IBinder::FIRST_CALL_TRANSACTION,
+    SET_PREVIEW_DISPLAY,
+    SET_PREVIEW_CALLBACK_FLAG,
+    START_PREVIEW,
+    STOP_PREVIEW,
+    AUTO_FOCUS,
+    CANCEL_AUTO_FOCUS,
+    TAKE_PICTURE,
+    SET_PARAMETERS,
+    GET_PARAMETERS,
+    SEND_COMMAND,
+    CONNECT,
+    LOCK,
+    UNLOCK,
+    PREVIEW_ENABLED,
+    START_RECORDING,
+    STOP_RECORDING,
+    RECORDING_ENABLED,
+    RELEASE_RECORDING_FRAME,
+};
+
+class BpCamera: public BpInterface<ICamera>
+{
+public:
+    BpCamera(const sp<IBinder>& impl)
+        : BpInterface<ICamera>(impl)
+    {
+    }
+
+    // disconnect from camera service
+    void disconnect()
+    {
+        LOGV("disconnect");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(DISCONNECT, data, &reply);
+    }
+
+    // pass the buffered ISurface to the camera service
+    status_t setPreviewDisplay(const sp<ISurface>& surface)
+    {
+        LOGV("setPreviewDisplay");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeStrongBinder(surface->asBinder());
+        remote()->transact(SET_PREVIEW_DISPLAY, data, &reply);
+        return reply.readInt32();
+    }
+
+    // set the preview callback flag to affect how the received frames from
+    // preview are handled. See Camera.h for details.
+    void setPreviewCallbackFlag(int flag)
+    {
+        LOGV("setPreviewCallbackFlag(%d)", flag);
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeInt32(flag);
+        remote()->transact(SET_PREVIEW_CALLBACK_FLAG, data, &reply);
+    }
+
+    // start preview mode, must call setPreviewDisplay first
+    status_t startPreview()
+    {
+        LOGV("startPreview");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(START_PREVIEW, data, &reply);
+        return reply.readInt32();
+    }
+
+    // start recording mode, must call setPreviewDisplay first
+    status_t startRecording()
+    {
+        LOGV("startRecording");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(START_RECORDING, data, &reply);
+        return reply.readInt32();
+    }
+
+    // stop preview mode
+    void stopPreview()
+    {
+        LOGV("stopPreview");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(STOP_PREVIEW, data, &reply);
+    }
+
+    // stop recording mode
+    void stopRecording()
+    {
+        LOGV("stopRecording");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(STOP_RECORDING, data, &reply);
+    }
+
+    void releaseRecordingFrame(const sp<IMemory>& mem)
+    {
+        LOGV("releaseRecordingFrame");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeStrongBinder(mem->asBinder());
+        remote()->transact(RELEASE_RECORDING_FRAME, data, &reply);
+    }
+
+    // check preview state
+    bool previewEnabled()
+    {
+        LOGV("previewEnabled");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(PREVIEW_ENABLED, data, &reply);
+        return reply.readInt32();
+    }
+
+    // check recording state
+    bool recordingEnabled()
+    {
+        LOGV("recordingEnabled");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(RECORDING_ENABLED, data, &reply);
+        return reply.readInt32();
+    }
+
+    // auto focus
+    status_t autoFocus()
+    {
+        LOGV("autoFocus");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(AUTO_FOCUS, data, &reply);
+        status_t ret = reply.readInt32();
+        return ret;
+    }
+
+    // cancel focus
+    status_t cancelAutoFocus()
+    {
+        LOGV("cancelAutoFocus");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(CANCEL_AUTO_FOCUS, data, &reply);
+        status_t ret = reply.readInt32();
+        return ret;
+    }
+
+    // take a picture - returns an IMemory (ref-counted mmap)
+    status_t takePicture()
+    {
+        LOGV("takePicture");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(TAKE_PICTURE, data, &reply);
+        status_t ret = reply.readInt32();
+        return ret;
+    }
+
+    // set preview/capture parameters - key/value pairs
+    status_t setParameters(const String8& params)
+    {
+        LOGV("setParameters");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeString8(params);
+        remote()->transact(SET_PARAMETERS, data, &reply);
+        return reply.readInt32();
+    }
+
+    // get preview/capture parameters - key/value pairs
+    String8 getParameters() const
+    {
+        LOGV("getParameters");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(GET_PARAMETERS, data, &reply);
+        return reply.readString8();
+    }
+    virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2)
+    {
+        LOGD("sendCommand");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeInt32(cmd);
+        data.writeInt32(arg1);
+        data.writeInt32(arg2);
+        remote()->transact(SEND_COMMAND, data, &reply);
+        return reply.readInt32();
+    }
+    virtual status_t connect(const sp<ICameraClient>& cameraClient)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeStrongBinder(cameraClient->asBinder());
+        remote()->transact(CONNECT, data, &reply);
+        return reply.readInt32();
+    }
+    virtual status_t lock()
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(LOCK, data, &reply);
+        return reply.readInt32();
+    }
+    virtual status_t unlock()
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(UNLOCK, data, &reply);
+        return reply.readInt32();
+    }
+};
+
+IMPLEMENT_META_INTERFACE(Camera, "android.hardware.ICamera");
+
+// ----------------------------------------------------------------------
+
+status_t BnCamera::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case DISCONNECT: {
+            LOGV("DISCONNECT");
+            CHECK_INTERFACE(ICamera, data, reply);
+            disconnect();
+            return NO_ERROR;
+        } break;
+        case SET_PREVIEW_DISPLAY: {
+            LOGV("SET_PREVIEW_DISPLAY");
+            CHECK_INTERFACE(ICamera, data, reply);
+            sp<ISurface> surface = interface_cast<ISurface>(data.readStrongBinder());
+            reply->writeInt32(setPreviewDisplay(surface));
+            return NO_ERROR;
+        } break;
+        case SET_PREVIEW_CALLBACK_FLAG: {
+            LOGV("SET_PREVIEW_CALLBACK_TYPE");
+            CHECK_INTERFACE(ICamera, data, reply);
+            int callback_flag = data.readInt32();
+            setPreviewCallbackFlag(callback_flag);
+            return NO_ERROR;
+        } break;
+        case START_PREVIEW: {
+            LOGV("START_PREVIEW");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(startPreview());
+            return NO_ERROR;
+        } break;
+        case START_RECORDING: {
+            LOGV("START_RECORDING");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(startRecording());
+            return NO_ERROR;
+        } break;
+        case STOP_PREVIEW: {
+            LOGV("STOP_PREVIEW");
+            CHECK_INTERFACE(ICamera, data, reply);
+            stopPreview();
+            return NO_ERROR;
+        } break;
+        case STOP_RECORDING: {
+            LOGV("STOP_RECORDING");
+            CHECK_INTERFACE(ICamera, data, reply);
+            stopRecording();
+            return NO_ERROR;
+        } break;
+        case RELEASE_RECORDING_FRAME: {
+            LOGV("RELEASE_RECORDING_FRAME");
+            CHECK_INTERFACE(ICamera, data, reply);
+            sp<IMemory> mem = interface_cast<IMemory>(data.readStrongBinder());
+            releaseRecordingFrame(mem);
+            return NO_ERROR;
+        } break;
+        case PREVIEW_ENABLED: {
+            LOGV("PREVIEW_ENABLED");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(previewEnabled());
+            return NO_ERROR;
+        } break;
+        case RECORDING_ENABLED: {
+            LOGV("RECORDING_ENABLED");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(recordingEnabled());
+            return NO_ERROR;
+        } break;
+        case AUTO_FOCUS: {
+            LOGV("AUTO_FOCUS");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(autoFocus());
+            return NO_ERROR;
+        } break;
+        case CANCEL_AUTO_FOCUS: {
+            LOGV("CANCEL_AUTO_FOCUS");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(cancelAutoFocus());
+            return NO_ERROR;
+        } break;
+        case TAKE_PICTURE: {
+            LOGV("TAKE_PICTURE");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(takePicture());
+            return NO_ERROR;
+        } break;
+        case SET_PARAMETERS: {
+            LOGV("SET_PARAMETERS");
+            CHECK_INTERFACE(ICamera, data, reply);
+            String8 params(data.readString8());
+            reply->writeInt32(setParameters(params));
+            return NO_ERROR;
+         } break;
+        case GET_PARAMETERS: {
+            LOGV("GET_PARAMETERS");
+            CHECK_INTERFACE(ICamera, data, reply);
+             reply->writeString8(getParameters());
+            return NO_ERROR;
+         } break;
+        case SEND_COMMAND: {
+            LOGV("SEND_COMMAND");
+            CHECK_INTERFACE(ICamera, data, reply);
+            int command = data.readInt32();
+            int arg1 = data.readInt32();
+            int arg2 = data.readInt32();
+            reply->writeInt32(sendCommand(command, arg1, arg2));
+            return NO_ERROR;
+         } break;
+        case CONNECT: {
+            CHECK_INTERFACE(ICamera, data, reply);
+            sp<ICameraClient> cameraClient = interface_cast<ICameraClient>(data.readStrongBinder());
+            reply->writeInt32(connect(cameraClient));
+            return NO_ERROR;
+        } break;
+        case LOCK: {
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(lock());
+            return NO_ERROR;
+        } break;
+        case UNLOCK: {
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(unlock());
+            return NO_ERROR;
+        } break;
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
diff --git a/camera/ICameraClient.cpp b/camera/ICameraClient.cpp
new file mode 100644
index 0000000..cb3bd0c
--- /dev/null
+++ b/camera/ICameraClient.cpp
@@ -0,0 +1,119 @@
+/*
+**
+** Copyright 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.
+*/
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "ICameraClient"
+#include <utils/Log.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <camera/ICameraClient.h>
+
+namespace android {
+
+enum {
+    NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
+    DATA_CALLBACK,
+    DATA_CALLBACK_TIMESTAMP,
+};
+
+class BpCameraClient: public BpInterface<ICameraClient>
+{
+public:
+    BpCameraClient(const sp<IBinder>& impl)
+        : BpInterface<ICameraClient>(impl)
+    {
+    }
+
+    // generic callback from camera service to app
+    void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
+    {
+        LOGV("notifyCallback");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
+        data.writeInt32(msgType);
+        data.writeInt32(ext1);
+        data.writeInt32(ext2);
+        remote()->transact(NOTIFY_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+
+    // generic data callback from camera service to app with image data
+    void dataCallback(int32_t msgType, const sp<IMemory>& imageData)
+    {
+        LOGV("dataCallback");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
+        data.writeInt32(msgType);
+        data.writeStrongBinder(imageData->asBinder());
+        remote()->transact(DATA_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+
+    // generic data callback from camera service to app with image data
+    void dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& imageData)
+    {
+        LOGV("dataCallback");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
+        data.writeInt64(timestamp);
+        data.writeInt32(msgType);
+        data.writeStrongBinder(imageData->asBinder());
+        remote()->transact(DATA_CALLBACK_TIMESTAMP, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+};
+
+IMPLEMENT_META_INTERFACE(CameraClient, "android.hardware.ICameraClient");
+
+// ----------------------------------------------------------------------
+
+status_t BnCameraClient::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case NOTIFY_CALLBACK: {
+            LOGV("NOTIFY_CALLBACK");
+            CHECK_INTERFACE(ICameraClient, data, reply);
+            int32_t msgType = data.readInt32();
+            int32_t ext1 = data.readInt32();
+            int32_t ext2 = data.readInt32();
+            notifyCallback(msgType, ext1, ext2);
+            return NO_ERROR;
+        } break;
+        case DATA_CALLBACK: {
+            LOGV("DATA_CALLBACK");
+            CHECK_INTERFACE(ICameraClient, data, reply);
+            int32_t msgType = data.readInt32();
+            sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
+            dataCallback(msgType, imageData);
+            return NO_ERROR;
+        } break;
+        case DATA_CALLBACK_TIMESTAMP: {
+            LOGV("DATA_CALLBACK_TIMESTAMP");
+            CHECK_INTERFACE(ICameraClient, data, reply);
+            nsecs_t timestamp = data.readInt64();
+            int32_t msgType = data.readInt32();
+            sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
+            dataCallbackTimestamp(timestamp, msgType, imageData);
+            return NO_ERROR;
+        } break;
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
diff --git a/camera/ICameraService.cpp b/camera/ICameraService.cpp
new file mode 100644
index 0000000..46b5478
--- /dev/null
+++ b/camera/ICameraService.cpp
@@ -0,0 +1,71 @@
+/*
+**
+** Copyright 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.
+*/
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/Parcel.h>
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+
+#include <camera/ICameraService.h>
+
+namespace android {
+
+class BpCameraService: public BpInterface<ICameraService>
+{
+public:
+    BpCameraService(const sp<IBinder>& impl)
+        : BpInterface<ICameraService>(impl)
+    {
+    }
+
+    // connect to camera service
+    virtual sp<ICamera> connect(const sp<ICameraClient>& cameraClient)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraService::getInterfaceDescriptor());
+        data.writeStrongBinder(cameraClient->asBinder());
+        remote()->transact(BnCameraService::CONNECT, data, &reply);
+        return interface_cast<ICamera>(reply.readStrongBinder());
+    }
+};
+
+IMPLEMENT_META_INTERFACE(CameraService, "android.hardware.ICameraService");
+
+// ----------------------------------------------------------------------
+
+status_t BnCameraService::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case CONNECT: {
+            CHECK_INTERFACE(ICameraService, data, reply);
+            sp<ICameraClient> cameraClient = interface_cast<ICameraClient>(data.readStrongBinder());
+            sp<ICamera> camera = connect(cameraClient);
+            reply->writeStrongBinder(camera->asBinder());
+            return NO_ERROR;
+        } break;
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+