Merge "libgui: have ST::updateTexImage check the GL ctx"
diff --git a/include/camera/CameraParameters.h b/include/camera/CameraParameters.h
new file mode 100644
index 0000000..7edf6b4
--- /dev/null
+++ b/include/camera/CameraParameters.h
@@ -0,0 +1,666 @@
+/*
+ * 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 ANDROID_HARDWARE_CAMERA_PARAMETERS_H
+#define ANDROID_HARDWARE_CAMERA_PARAMETERS_H
+
+#include <utils/KeyedVector.h>
+#include <utils/String8.h>
+
+namespace android {
+
+struct Size {
+ int width;
+ int height;
+
+ Size() {
+ width = 0;
+ height = 0;
+ }
+
+ Size(int w, int h) {
+ width = w;
+ height = h;
+ }
+};
+
+class CameraParameters
+{
+public:
+ CameraParameters();
+ CameraParameters(const String8 ¶ms) { unflatten(params); }
+ ~CameraParameters();
+
+ String8 flatten() const;
+ void unflatten(const String8 ¶ms);
+
+ void set(const char *key, const char *value);
+ void set(const char *key, int value);
+ void setFloat(const char *key, float value);
+ const char *get(const char *key) const;
+ int getInt(const char *key) const;
+ float getFloat(const char *key) const;
+
+ void remove(const char *key);
+
+ void setPreviewSize(int width, int height);
+ void getPreviewSize(int *width, int *height) const;
+ void getSupportedPreviewSizes(Vector<Size> &sizes) const;
+
+ // Set the dimensions in pixels to the given width and height
+ // for video frames. The given width and height must be one
+ // of the supported dimensions returned from
+ // getSupportedVideoSizes(). Must not be called if
+ // getSupportedVideoSizes() returns an empty Vector of Size.
+ void setVideoSize(int width, int height);
+ // Retrieve the current dimensions (width and height)
+ // in pixels for video frames, which must be one of the
+ // supported dimensions returned from getSupportedVideoSizes().
+ // Must not be called if getSupportedVideoSizes() returns an
+ // empty Vector of Size.
+ void getVideoSize(int *width, int *height) const;
+ // Retrieve a Vector of supported dimensions (width and height)
+ // in pixels for video frames. If sizes returned from the method
+ // is empty, the camera does not support calls to setVideoSize()
+ // or getVideoSize(). In adddition, it also indicates that
+ // the camera only has a single output, and does not have
+ // separate output for video frames and preview frame.
+ void getSupportedVideoSizes(Vector<Size> &sizes) const;
+ // Retrieve the preferred preview size (width and height) in pixels
+ // for video recording. The given width and height must be one of
+ // supported preview sizes returned from getSupportedPreviewSizes().
+ // Must not be called if getSupportedVideoSizes() returns an empty
+ // Vector of Size. If getSupportedVideoSizes() returns an empty
+ // Vector of Size, the width and height returned from this method
+ // is invalid, and is "-1x-1".
+ void getPreferredPreviewSizeForVideo(int *width, int *height) const;
+
+ void setPreviewFrameRate(int fps);
+ int getPreviewFrameRate() const;
+ void getPreviewFpsRange(int *min_fps, int *max_fps) const;
+ void setPreviewFormat(const char *format);
+ const char *getPreviewFormat() const;
+ void setPictureSize(int width, int height);
+ void getPictureSize(int *width, int *height) const;
+ void getSupportedPictureSizes(Vector<Size> &sizes) const;
+ void setPictureFormat(const char *format);
+ const char *getPictureFormat() const;
+
+ void dump() const;
+ status_t dump(int fd, const Vector<String16>& args) const;
+
+ // Parameter keys to communicate between camera application and driver.
+ // The access (read/write, read only, or write only) is viewed from the
+ // perspective of applications, not driver.
+
+ // Preview frame size in pixels (width x height).
+ // Example value: "480x320". Read/Write.
+ static const char KEY_PREVIEW_SIZE[];
+ // Supported preview frame sizes in pixels.
+ // Example value: "800x600,480x320". Read only.
+ static const char KEY_SUPPORTED_PREVIEW_SIZES[];
+ // The current minimum and maximum preview fps. This controls the rate of
+ // preview frames received (CAMERA_MSG_PREVIEW_FRAME). The minimum and
+ // maximum fps must be one of the elements from
+ // KEY_SUPPORTED_PREVIEW_FPS_RANGE parameter.
+ // Example value: "10500,26623"
+ static const char KEY_PREVIEW_FPS_RANGE[];
+ // The supported preview fps (frame-per-second) ranges. Each range contains
+ // a minimum fps and maximum fps. If minimum fps equals to maximum fps, the
+ // camera outputs frames in fixed frame rate. If not, the camera outputs
+ // frames in auto frame rate. The actual frame rate fluctuates between the
+ // minimum and the maximum. The list has at least one element. The list is
+ // sorted from small to large (first by maximum fps and then minimum fps).
+ // Example value: "(10500,26623),(15000,26623),(30000,30000)"
+ static const char KEY_SUPPORTED_PREVIEW_FPS_RANGE[];
+ // The image format for preview frames. See CAMERA_MSG_PREVIEW_FRAME in
+ // frameworks/base/include/camera/Camera.h.
+ // Example value: "yuv420sp" or PIXEL_FORMAT_XXX constants. Read/write.
+ static const char KEY_PREVIEW_FORMAT[];
+ // Supported image formats for preview frames.
+ // Example value: "yuv420sp,yuv422i-yuyv". Read only.
+ static const char KEY_SUPPORTED_PREVIEW_FORMATS[];
+ // Number of preview frames per second. This is the target frame rate. The
+ // actual frame rate depends on the driver.
+ // Example value: "15". Read/write.
+ static const char KEY_PREVIEW_FRAME_RATE[];
+ // Supported number of preview frames per second.
+ // Example value: "24,15,10". Read.
+ static const char KEY_SUPPORTED_PREVIEW_FRAME_RATES[];
+ // The dimensions for captured pictures in pixels (width x height).
+ // Example value: "1024x768". Read/write.
+ static const char KEY_PICTURE_SIZE[];
+ // Supported dimensions for captured pictures in pixels.
+ // Example value: "2048x1536,1024x768". Read only.
+ static const char KEY_SUPPORTED_PICTURE_SIZES[];
+ // The image format for captured pictures. See CAMERA_MSG_COMPRESSED_IMAGE
+ // in frameworks/base/include/camera/Camera.h.
+ // Example value: "jpeg" or PIXEL_FORMAT_XXX constants. Read/write.
+ static const char KEY_PICTURE_FORMAT[];
+ // Supported image formats for captured pictures.
+ // Example value: "jpeg,rgb565". Read only.
+ static const char KEY_SUPPORTED_PICTURE_FORMATS[];
+ // The width (in pixels) of EXIF thumbnail in Jpeg picture.
+ // Example value: "512". Read/write.
+ static const char KEY_JPEG_THUMBNAIL_WIDTH[];
+ // The height (in pixels) of EXIF thumbnail in Jpeg picture.
+ // Example value: "384". Read/write.
+ static const char KEY_JPEG_THUMBNAIL_HEIGHT[];
+ // Supported EXIF thumbnail sizes (width x height). 0x0 means not thumbnail
+ // in EXIF.
+ // Example value: "512x384,320x240,0x0". Read only.
+ static const char KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES[];
+ // The quality of the EXIF thumbnail in Jpeg picture. The range is 1 to 100,
+ // with 100 being the best.
+ // Example value: "90". Read/write.
+ static const char KEY_JPEG_THUMBNAIL_QUALITY[];
+ // Jpeg quality of captured picture. The range is 1 to 100, with 100 being
+ // the best.
+ // Example value: "90". Read/write.
+ static const char KEY_JPEG_QUALITY[];
+ // The rotation angle in degrees relative to the orientation of the camera.
+ // This affects the pictures returned from CAMERA_MSG_COMPRESSED_IMAGE. The
+ // camera driver may set orientation in the EXIF header without rotating the
+ // picture. Or the driver may rotate the picture and the EXIF thumbnail. If
+ // the Jpeg picture is rotated, the orientation in the EXIF header will be
+ // missing or 1 (row #0 is top and column #0 is left side).
+ //
+ // Note that the JPEG pictures of front-facing cameras are not mirrored
+ // as in preview display.
+ //
+ // For example, suppose the natural orientation of the device is portrait.
+ // The device is rotated 270 degrees clockwise, so the device orientation is
+ // 270. Suppose a back-facing camera sensor is mounted in landscape and the
+ // top side of the camera sensor is aligned with the right edge of the
+ // display in natural orientation. So the camera orientation is 90. The
+ // rotation should be set to 0 (270 + 90).
+ //
+ // Example value: "0" or "90" or "180" or "270". Write only.
+ static const char KEY_ROTATION[];
+ // GPS latitude coordinate. GPSLatitude and GPSLatitudeRef will be stored in
+ // JPEG EXIF header.
+ // Example value: "25.032146" or "-33.462809". Write only.
+ static const char KEY_GPS_LATITUDE[];
+ // GPS longitude coordinate. GPSLongitude and GPSLongitudeRef will be stored
+ // in JPEG EXIF header.
+ // Example value: "121.564448" or "-70.660286". Write only.
+ static const char KEY_GPS_LONGITUDE[];
+ // GPS altitude. GPSAltitude and GPSAltitudeRef will be stored in JPEG EXIF
+ // header.
+ // Example value: "21.0" or "-5". Write only.
+ static const char KEY_GPS_ALTITUDE[];
+ // GPS timestamp (UTC in seconds since January 1, 1970). This should be
+ // stored in JPEG EXIF header.
+ // Example value: "1251192757". Write only.
+ static const char KEY_GPS_TIMESTAMP[];
+ // GPS Processing Method
+ // Example value: "GPS" or "NETWORK". Write only.
+ static const char KEY_GPS_PROCESSING_METHOD[];
+ // Current white balance setting.
+ // Example value: "auto" or WHITE_BALANCE_XXX constants. Read/write.
+ static const char KEY_WHITE_BALANCE[];
+ // Supported white balance settings.
+ // Example value: "auto,incandescent,daylight". Read only.
+ static const char KEY_SUPPORTED_WHITE_BALANCE[];
+ // Current color effect setting.
+ // Example value: "none" or EFFECT_XXX constants. Read/write.
+ static const char KEY_EFFECT[];
+ // Supported color effect settings.
+ // Example value: "none,mono,sepia". Read only.
+ static const char KEY_SUPPORTED_EFFECTS[];
+ // Current antibanding setting.
+ // Example value: "auto" or ANTIBANDING_XXX constants. Read/write.
+ static const char KEY_ANTIBANDING[];
+ // Supported antibanding settings.
+ // Example value: "auto,50hz,60hz,off". Read only.
+ static const char KEY_SUPPORTED_ANTIBANDING[];
+ // Current scene mode.
+ // Example value: "auto" or SCENE_MODE_XXX constants. Read/write.
+ static const char KEY_SCENE_MODE[];
+ // Supported scene mode settings.
+ // Example value: "auto,night,fireworks". Read only.
+ static const char KEY_SUPPORTED_SCENE_MODES[];
+ // Current flash mode.
+ // Example value: "auto" or FLASH_MODE_XXX constants. Read/write.
+ static const char KEY_FLASH_MODE[];
+ // Supported flash modes.
+ // Example value: "auto,on,off". Read only.
+ static const char KEY_SUPPORTED_FLASH_MODES[];
+ // Current focus mode. This will not be empty. Applications should call
+ // CameraHardwareInterface.autoFocus to start the focus if focus mode is
+ // FOCUS_MODE_AUTO or FOCUS_MODE_MACRO.
+ // Example value: "auto" or FOCUS_MODE_XXX constants. Read/write.
+ static const char KEY_FOCUS_MODE[];
+ // Supported focus modes.
+ // Example value: "auto,macro,fixed". Read only.
+ static const char KEY_SUPPORTED_FOCUS_MODES[];
+ // The maximum number of focus areas supported. This is the maximum length
+ // of KEY_FOCUS_AREAS.
+ // Example value: "0" or "2". Read only.
+ static const char KEY_MAX_NUM_FOCUS_AREAS[];
+ // Current focus areas.
+ //
+ // Before accessing this parameter, apps should check
+ // KEY_MAX_NUM_FOCUS_AREAS first to know the maximum number of focus areas
+ // first. If the value is 0, focus area is not supported.
+ //
+ // Each focus area is a five-element int array. The first four elements are
+ // the rectangle of the area (left, top, right, bottom). The direction is
+ // relative to the sensor orientation, that is, what the sensor sees. The
+ // direction is not affected by the rotation or mirroring of
+ // CAMERA_CMD_SET_DISPLAY_ORIENTATION. Coordinates range from -1000 to 1000.
+ // (-1000,-1000) is the upper left point. (1000, 1000) is the lower right
+ // point. The width and height of focus areas cannot be 0 or negative.
+ //
+ // The fifth element is the weight. Values for weight must range from 1 to
+ // 1000. The weight should be interpreted as a per-pixel weight - all
+ // pixels in the area have the specified weight. This means a small area
+ // with the same weight as a larger area will have less influence on the
+ // focusing than the larger area. Focus areas can partially overlap and the
+ // driver will add the weights in the overlap region.
+ //
+ // A special case of single focus area (0,0,0,0,0) means driver to decide
+ // the focus area. For example, the driver may use more signals to decide
+ // focus areas and change them dynamically. Apps can set (0,0,0,0,0) if they
+ // want the driver to decide focus areas.
+ //
+ // Focus areas are relative to the current field of view (KEY_ZOOM). No
+ // matter what the zoom level is, (-1000,-1000) represents the top of the
+ // currently visible camera frame. The focus area cannot be set to be
+ // outside the current field of view, even when using zoom.
+ //
+ // Focus area only has effect if the current focus mode is FOCUS_MODE_AUTO,
+ // FOCUS_MODE_MACRO, FOCUS_MODE_CONTINUOUS_VIDEO, or
+ // FOCUS_MODE_CONTINUOUS_PICTURE.
+ // Example value: "(-10,-10,0,0,300),(0,0,10,10,700)". Read/write.
+ static const char KEY_FOCUS_AREAS[];
+ // Focal length in millimeter.
+ // Example value: "4.31". Read only.
+ static const char KEY_FOCAL_LENGTH[];
+ // Horizontal angle of view in degrees.
+ // Example value: "54.8". Read only.
+ static const char KEY_HORIZONTAL_VIEW_ANGLE[];
+ // Vertical angle of view in degrees.
+ // Example value: "42.5". Read only.
+ static const char KEY_VERTICAL_VIEW_ANGLE[];
+ // Exposure compensation index. 0 means exposure is not adjusted.
+ // Example value: "0" or "5". Read/write.
+ static const char KEY_EXPOSURE_COMPENSATION[];
+ // The maximum exposure compensation index (>=0).
+ // Example value: "6". Read only.
+ static const char KEY_MAX_EXPOSURE_COMPENSATION[];
+ // The minimum exposure compensation index (<=0).
+ // Example value: "-6". Read only.
+ static const char KEY_MIN_EXPOSURE_COMPENSATION[];
+ // The exposure compensation step. Exposure compensation index multiply by
+ // step eqals to EV. Ex: if exposure compensation index is 6 and step is
+ // 0.3333, EV is -2.
+ // Example value: "0.333333333" or "0.5". Read only.
+ static const char KEY_EXPOSURE_COMPENSATION_STEP[];
+ // The state of the auto-exposure lock. "true" means that
+ // auto-exposure is locked to its current value and will not
+ // change. "false" means the auto-exposure routine is free to
+ // change exposure values. If auto-exposure is already locked,
+ // setting this to true again has no effect (the driver will not
+ // recalculate exposure values). Changing exposure compensation
+ // settings will still affect the exposure settings while
+ // auto-exposure is locked. Stopping preview or taking a still
+ // image will not change the lock. In conjunction with
+ // exposure compensation, this allows for capturing multi-exposure
+ // brackets with known relative exposure values. Locking
+ // auto-exposure after open but before the first call to
+ // startPreview may result in severely over- or under-exposed
+ // images. The driver will not change the AE lock after
+ // auto-focus completes.
+ static const char KEY_AUTO_EXPOSURE_LOCK[];
+ // Whether locking the auto-exposure is supported. "true" means it is, and
+ // "false" or this key not existing means it is not supported.
+ static const char KEY_AUTO_EXPOSURE_LOCK_SUPPORTED[];
+ // The state of the auto-white balance lock. "true" means that
+ // auto-white balance is locked to its current value and will not
+ // change. "false" means the auto-white balance routine is free to
+ // change white balance values. If auto-white balance is already
+ // locked, setting this to true again has no effect (the driver
+ // will not recalculate white balance values). Stopping preview or
+ // taking a still image will not change the lock. In conjunction
+ // with exposure compensation, this allows for capturing
+ // multi-exposure brackets with fixed white balance. Locking
+ // auto-white balance after open but before the first call to
+ // startPreview may result in severely incorrect color. The
+ // driver will not change the AWB lock after auto-focus
+ // completes.
+ static const char KEY_AUTO_WHITEBALANCE_LOCK[];
+ // Whether locking the auto-white balance is supported. "true"
+ // means it is, and "false" or this key not existing means it is
+ // not supported.
+ static const char KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED[];
+
+ // The maximum number of metering areas supported. This is the maximum
+ // length of KEY_METERING_AREAS.
+ // Example value: "0" or "2". Read only.
+ static const char KEY_MAX_NUM_METERING_AREAS[];
+ // Current metering areas. Camera driver uses these areas to decide
+ // exposure.
+ //
+ // Before accessing this parameter, apps should check
+ // KEY_MAX_NUM_METERING_AREAS first to know the maximum number of metering
+ // areas first. If the value is 0, metering area is not supported.
+ //
+ // Each metering area is a rectangle with specified weight. The direction is
+ // relative to the sensor orientation, that is, what the sensor sees. The
+ // direction is not affected by the rotation or mirroring of
+ // CAMERA_CMD_SET_DISPLAY_ORIENTATION. Coordinates of the rectangle range
+ // from -1000 to 1000. (-1000, -1000) is the upper left point. (1000, 1000)
+ // is the lower right point. The width and height of metering areas cannot
+ // be 0 or negative.
+ //
+ // The fifth element is the weight. Values for weight must range from 1 to
+ // 1000. The weight should be interpreted as a per-pixel weight - all
+ // pixels in the area have the specified weight. This means a small area
+ // with the same weight as a larger area will have less influence on the
+ // metering than the larger area. Metering areas can partially overlap and
+ // the driver will add the weights in the overlap region.
+ //
+ // A special case of all-zero single metering area means driver to decide
+ // the metering area. For example, the driver may use more signals to decide
+ // metering areas and change them dynamically. Apps can set all-zero if they
+ // want the driver to decide metering areas.
+ //
+ // Metering areas are relative to the current field of view (KEY_ZOOM).
+ // No matter what the zoom level is, (-1000,-1000) represents the top of the
+ // currently visible camera frame. The metering area cannot be set to be
+ // outside the current field of view, even when using zoom.
+ //
+ // No matter what metering areas are, the final exposure are compensated
+ // by KEY_EXPOSURE_COMPENSATION.
+ // Example value: "(-10,-10,0,0,300),(0,0,10,10,700)". Read/write.
+ static const char KEY_METERING_AREAS[];
+ // Current zoom value.
+ // Example value: "0" or "6". Read/write.
+ static const char KEY_ZOOM[];
+ // Maximum zoom value.
+ // Example value: "6". Read only.
+ static const char KEY_MAX_ZOOM[];
+ // The zoom ratios of all zoom values. The zoom ratio is in 1/100
+ // increments. Ex: a zoom of 3.2x is returned as 320. The number of list
+ // elements is KEY_MAX_ZOOM + 1. The first element is always 100. The last
+ // element is the zoom ratio of zoom value KEY_MAX_ZOOM.
+ // Example value: "100,150,200,250,300,350,400". Read only.
+ static const char KEY_ZOOM_RATIOS[];
+ // Whether zoom is supported. Zoom is supported if the value is "true". Zoom
+ // is not supported if the value is not "true" or the key does not exist.
+ // Example value: "true". Read only.
+ static const char KEY_ZOOM_SUPPORTED[];
+ // Whether if smooth zoom is supported. Smooth zoom is supported if the
+ // value is "true". It is not supported if the value is not "true" or the
+ // key does not exist.
+ // See CAMERA_CMD_START_SMOOTH_ZOOM, CAMERA_CMD_STOP_SMOOTH_ZOOM, and
+ // CAMERA_MSG_ZOOM in frameworks/base/include/camera/Camera.h.
+ // Example value: "true". Read only.
+ static const char KEY_SMOOTH_ZOOM_SUPPORTED[];
+
+ // The distances (in meters) from the camera to where an object appears to
+ // be in focus. The object is sharpest at the optimal focus distance. The
+ // depth of field is the far focus distance minus near focus distance.
+ //
+ // Focus distances may change after starting auto focus, canceling auto
+ // focus, or starting the preview. Applications can read this anytime to get
+ // the latest focus distances. If the focus mode is FOCUS_MODE_CONTINUOUS,
+ // focus distances may change from time to time.
+ //
+ // This is intended to estimate the distance between the camera and the
+ // subject. After autofocus, the subject distance may be within near and far
+ // focus distance. However, the precision depends on the camera hardware,
+ // autofocus algorithm, the focus area, and the scene. The error can be
+ // large and it should be only used as a reference.
+ //
+ // Far focus distance > optimal focus distance > near focus distance. If
+ // the far focus distance is infinity, the value should be "Infinity" (case
+ // sensitive). The format is three float values separated by commas. The
+ // first is near focus distance. The second is optimal focus distance. The
+ // third is far focus distance.
+ // Example value: "0.95,1.9,Infinity" or "0.049,0.05,0.051". Read only.
+ static const char KEY_FOCUS_DISTANCES[];
+
+ // The current dimensions in pixels (width x height) for video frames.
+ // The width and height must be one of the supported sizes retrieved
+ // via KEY_SUPPORTED_VIDEO_SIZES.
+ // Example value: "1280x720". Read/write.
+ static const char KEY_VIDEO_SIZE[];
+ // A list of the supported dimensions in pixels (width x height)
+ // for video frames. See CAMERA_MSG_VIDEO_FRAME for details in
+ // frameworks/base/include/camera/Camera.h.
+ // Example: "176x144,1280x720". Read only.
+ static const char KEY_SUPPORTED_VIDEO_SIZES[];
+
+ // The maximum number of detected faces supported by hardware face
+ // detection. If the value is 0, hardware face detection is not supported.
+ // Example: "5". Read only
+ static const char KEY_MAX_NUM_DETECTED_FACES_HW[];
+
+ // The maximum number of detected faces supported by software face
+ // detection. If the value is 0, software face detection is not supported.
+ // Example: "5". Read only
+ static const char KEY_MAX_NUM_DETECTED_FACES_SW[];
+
+ // Preferred preview frame size in pixels for video recording.
+ // The width and height must be one of the supported sizes retrieved
+ // via KEY_SUPPORTED_PREVIEW_SIZES. This key can be used only when
+ // getSupportedVideoSizes() does not return an empty Vector of Size.
+ // Camcorder applications are recommended to set the preview size
+ // to a value that is not larger than the preferred preview size.
+ // In other words, the product of the width and height of the
+ // preview size should not be larger than that of the preferred
+ // preview size. In addition, we recommend to choos a preview size
+ // that has the same aspect ratio as the resolution of video to be
+ // recorded.
+ // Example value: "800x600". Read only.
+ static const char KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO[];
+
+ // The image format for video frames. See CAMERA_MSG_VIDEO_FRAME in
+ // frameworks/base/include/camera/Camera.h.
+ // Example value: "yuv420sp" or PIXEL_FORMAT_XXX constants. Read only.
+ static const char KEY_VIDEO_FRAME_FORMAT[];
+
+ // Sets the hint of the recording mode. If this is true, MediaRecorder.start
+ // may be faster or has less glitches. This should be called before starting
+ // the preview for the best result. But it is allowed to change the hint
+ // while the preview is active. The default value is false.
+ //
+ // The apps can still call Camera.takePicture when the hint is true. The
+ // apps can call MediaRecorder.start when the hint is false. But the
+ // performance may be worse.
+ // Example value: "true" or "false". Read/write.
+ static const char KEY_RECORDING_HINT[];
+
+ // Returns true if video snapshot is supported. That is, applications
+ // can call Camera.takePicture during recording. Applications do not need to
+ // call Camera.startPreview after taking a picture. The preview will be
+ // still active. Other than that, taking a picture during recording is
+ // identical to taking a picture normally. All settings and methods related
+ // to takePicture work identically. Ex: KEY_PICTURE_SIZE,
+ // KEY_SUPPORTED_PICTURE_SIZES, KEY_JPEG_QUALITY, KEY_ROTATION, and etc.
+ // The picture will have an EXIF header. FLASH_MODE_AUTO and FLASH_MODE_ON
+ // also still work, but the video will record the flash.
+ //
+ // Applications can set shutter callback as null to avoid the shutter
+ // sound. It is also recommended to set raw picture and post view callbacks
+ // to null to avoid the interrupt of preview display.
+ //
+ // Field-of-view of the recorded video may be different from that of the
+ // captured pictures.
+ // Example value: "true" or "false". Read only.
+ static const char KEY_VIDEO_SNAPSHOT_SUPPORTED[];
+
+ // The state of the video stabilization. If set to true, both the
+ // preview stream and the recorded video stream are stabilized by
+ // the camera. Only valid to set if KEY_VIDEO_STABILIZATION_SUPPORTED is
+ // set to true.
+ //
+ // The value of this key can be changed any time the camera is
+ // open. If preview or recording is active, it is acceptable for
+ // there to be a slight video glitch when video stabilization is
+ // toggled on and off.
+ //
+ // This only stabilizes video streams (between-frames stabilization), and
+ // has no effect on still image capture.
+ static const char KEY_VIDEO_STABILIZATION[];
+
+ // Returns true if video stabilization is supported. That is, applications
+ // can set KEY_VIDEO_STABILIZATION to true and have a stabilized preview
+ // stream and record stabilized videos.
+ static const char KEY_VIDEO_STABILIZATION_SUPPORTED[];
+
+ // Value for KEY_ZOOM_SUPPORTED or KEY_SMOOTH_ZOOM_SUPPORTED.
+ static const char TRUE[];
+ static const char FALSE[];
+
+ // Value for KEY_FOCUS_DISTANCES.
+ static const char FOCUS_DISTANCE_INFINITY[];
+
+ // Values for white balance settings.
+ static const char WHITE_BALANCE_AUTO[];
+ static const char WHITE_BALANCE_INCANDESCENT[];
+ static const char WHITE_BALANCE_FLUORESCENT[];
+ static const char WHITE_BALANCE_WARM_FLUORESCENT[];
+ static const char WHITE_BALANCE_DAYLIGHT[];
+ static const char WHITE_BALANCE_CLOUDY_DAYLIGHT[];
+ static const char WHITE_BALANCE_TWILIGHT[];
+ static const char WHITE_BALANCE_SHADE[];
+
+ // Values for effect settings.
+ static const char EFFECT_NONE[];
+ static const char EFFECT_MONO[];
+ static const char EFFECT_NEGATIVE[];
+ static const char EFFECT_SOLARIZE[];
+ static const char EFFECT_SEPIA[];
+ static const char EFFECT_POSTERIZE[];
+ static const char EFFECT_WHITEBOARD[];
+ static const char EFFECT_BLACKBOARD[];
+ static const char EFFECT_AQUA[];
+
+ // Values for antibanding settings.
+ static const char ANTIBANDING_AUTO[];
+ static const char ANTIBANDING_50HZ[];
+ static const char ANTIBANDING_60HZ[];
+ static const char ANTIBANDING_OFF[];
+
+ // Values for flash mode settings.
+ // Flash will not be fired.
+ static const char FLASH_MODE_OFF[];
+ // Flash will be fired automatically when required. The flash may be fired
+ // during preview, auto-focus, or snapshot depending on the driver.
+ static const char FLASH_MODE_AUTO[];
+ // Flash will always be fired during snapshot. The flash may also be
+ // fired during preview or auto-focus depending on the driver.
+ static const char FLASH_MODE_ON[];
+ // Flash will be fired in red-eye reduction mode.
+ static const char FLASH_MODE_RED_EYE[];
+ // Constant emission of light during preview, auto-focus and snapshot.
+ // This can also be used for video recording.
+ static const char FLASH_MODE_TORCH[];
+
+ // Values for scene mode settings.
+ static const char SCENE_MODE_AUTO[];
+ static const char SCENE_MODE_ACTION[];
+ static const char SCENE_MODE_PORTRAIT[];
+ static const char SCENE_MODE_LANDSCAPE[];
+ static const char SCENE_MODE_NIGHT[];
+ static const char SCENE_MODE_NIGHT_PORTRAIT[];
+ static const char SCENE_MODE_THEATRE[];
+ static const char SCENE_MODE_BEACH[];
+ static const char SCENE_MODE_SNOW[];
+ static const char SCENE_MODE_SUNSET[];
+ static const char SCENE_MODE_STEADYPHOTO[];
+ static const char SCENE_MODE_FIREWORKS[];
+ static const char SCENE_MODE_SPORTS[];
+ static const char SCENE_MODE_PARTY[];
+ static const char SCENE_MODE_CANDLELIGHT[];
+ // Applications are looking for a barcode. Camera driver will be optimized
+ // for barcode reading.
+ static const char SCENE_MODE_BARCODE[];
+
+ // Pixel color formats for KEY_PREVIEW_FORMAT, KEY_PICTURE_FORMAT,
+ // and KEY_VIDEO_FRAME_FORMAT
+ static const char PIXEL_FORMAT_YUV422SP[];
+ static const char PIXEL_FORMAT_YUV420SP[]; // NV21
+ static const char PIXEL_FORMAT_YUV422I[]; // YUY2
+ static const char PIXEL_FORMAT_YUV420P[]; // YV12
+ static const char PIXEL_FORMAT_RGB565[];
+ static const char PIXEL_FORMAT_RGBA8888[];
+ static const char PIXEL_FORMAT_JPEG[];
+ // Raw bayer format used for images, which is 10 bit precision samples
+ // stored in 16 bit words. The filter pattern is RGGB.
+ static const char PIXEL_FORMAT_BAYER_RGGB[];
+
+ // Values for focus mode settings.
+ // Auto-focus mode. Applications should call
+ // CameraHardwareInterface.autoFocus to start the focus in this mode.
+ static const char FOCUS_MODE_AUTO[];
+ // Focus is set at infinity. Applications should not call
+ // CameraHardwareInterface.autoFocus in this mode.
+ static const char FOCUS_MODE_INFINITY[];
+ // Macro (close-up) focus mode. Applications should call
+ // CameraHardwareInterface.autoFocus to start the focus in this mode.
+ static const char FOCUS_MODE_MACRO[];
+ // Focus is fixed. The camera is always in this mode if the focus is not
+ // adjustable. If the camera has auto-focus, this mode can fix the
+ // focus, which is usually at hyperfocal distance. Applications should
+ // not call CameraHardwareInterface.autoFocus in this mode.
+ static const char FOCUS_MODE_FIXED[];
+ // Extended depth of field (EDOF). Focusing is done digitally and
+ // continuously. Applications should not call
+ // CameraHardwareInterface.autoFocus in this mode.
+ static const char FOCUS_MODE_EDOF[];
+ // Continuous auto focus mode intended for video recording. The camera
+ // continuously tries to focus. This is the best choice for video
+ // recording because the focus changes smoothly . Applications still can
+ // call CameraHardwareInterface.takePicture in this mode but the subject may
+ // not be in focus. Auto focus starts when the parameter is set.
+ //
+ // Applications can call CameraHardwareInterface.autoFocus in this mode. The
+ // focus callback will immediately return with a boolean that indicates
+ // whether the focus is sharp or not. The focus position is locked after
+ // autoFocus call. If applications want to resume the continuous focus,
+ // cancelAutoFocus must be called. Restarting the preview will not resume
+ // the continuous autofocus. To stop continuous focus, applications should
+ // change the focus mode to other modes.
+ static const char FOCUS_MODE_CONTINUOUS_VIDEO[];
+ // Continuous auto focus mode intended for taking pictures. The camera
+ // continuously tries to focus. The speed of focus change is more aggressive
+ // than FOCUS_MODE_CONTINUOUS_VIDEO. Auto focus starts when the parameter is
+ // set.
+ //
+ // Applications can call CameraHardwareInterface.autoFocus in this mode. If
+ // the autofocus is in the middle of scanning, the focus callback will
+ // return when it completes. If the autofocus is not scanning, focus
+ // callback will immediately return with a boolean that indicates whether
+ // the focus is sharp or not. The apps can then decide if they want to take
+ // a picture immediately or to change the focus mode to auto, and run a full
+ // autofocus cycle. The focus position is locked after autoFocus call. If
+ // applications want to resume the continuous focus, cancelAutoFocus must be
+ // called. Restarting the preview will not resume the continuous autofocus.
+ // To stop continuous focus, applications should change the focus mode to
+ // other modes.
+ static const char FOCUS_MODE_CONTINUOUS_PICTURE[];
+
+private:
+ DefaultKeyedVector<String8,String8> mMap;
+};
+
+}; // namespace android
+
+#endif
diff --git a/include/media/hardware/OMXPluginBase.h b/include/media/hardware/OMXPluginBase.h
index 2fd8e12..7bf4147 100644
--- a/include/media/hardware/OMXPluginBase.h
+++ b/include/media/hardware/OMXPluginBase.h
@@ -27,8 +27,6 @@
namespace android {
-struct OMXComponentBase;
-
struct OMXPluginBase {
OMXPluginBase() {}
virtual ~OMXPluginBase() {}
diff --git a/include/utils/AndroidThreads.h b/include/utils/AndroidThreads.h
index f9f7aa4..5bda0fd 100644
--- a/include/utils/AndroidThreads.h
+++ b/include/utils/AndroidThreads.h
@@ -73,6 +73,7 @@
// Get pid for the current thread.
extern pid_t androidGetTid();
+#ifdef HAVE_ANDROID_OS
// Change the scheduling group of a particular thread. The group
// should be one of the ANDROID_TGROUP constants. Returns BAD_VALUE if
// grp is out of range, else another non-zero value with errno set if
@@ -95,6 +96,7 @@
// scheduling groups are disabled. Returns INVALID_OPERATION if unexpected error.
// Thread ID zero means current thread.
extern int androidGetThreadSchedulingGroup(pid_t tid);
+#endif
#ifdef __cplusplus
} // extern "C"
diff --git a/include/utils/BitSet.h b/include/utils/BitSet.h
index 9452e86..e189d0c 100644
--- a/include/utils/BitSet.h
+++ b/include/utils/BitSet.h
@@ -18,6 +18,7 @@
#define UTILS_BITSET_H
#include <stdint.h>
+#include <utils/TypeHelpers.h>
/*
* Contains some bit manipulation helpers.
@@ -102,6 +103,8 @@
inline bool operator!= (const BitSet32& other) const { return value != other.value; }
};
+ANDROID_BASIC_TYPES_TRAITS(BitSet32)
+
} // namespace android
#endif // UTILS_BITSET_H
diff --git a/include/utils/KeyedVector.h b/include/utils/KeyedVector.h
index 85535bd..20575ee 100644
--- a/include/utils/KeyedVector.h
+++ b/include/utils/KeyedVector.h
@@ -91,6 +91,13 @@
SortedVector< key_value_pair_t<KEY, VALUE> > mVector;
};
+// KeyedVector<KEY, VALUE> can be trivially moved using memcpy() because its
+// underlying SortedVector can be trivially moved.
+template<typename KEY, typename VALUE> struct trait_trivial_move<KeyedVector<KEY, VALUE> > {
+ enum { value = trait_trivial_move<SortedVector< key_value_pair_t<KEY, VALUE> > >::value };
+};
+
+
// ---------------------------------------------------------------------------
/**
diff --git a/include/utils/RefBase.h b/include/utils/RefBase.h
index c7a9b78..99f5182 100644
--- a/include/utils/RefBase.h
+++ b/include/utils/RefBase.h
@@ -25,6 +25,7 @@
#include <string.h>
#include <utils/StrongPointer.h>
+#include <utils/TypeHelpers.h>
// ---------------------------------------------------------------------------
namespace android {
diff --git a/include/utils/SortedVector.h b/include/utils/SortedVector.h
index 0e98aeb..2445525 100644
--- a/include/utils/SortedVector.h
+++ b/include/utils/SortedVector.h
@@ -133,6 +133,9 @@
virtual int do_compare(const void* lhs, const void* rhs) const;
};
+// SortedVector<T> can be trivially moved using memcpy() because moving does not
+// require any change to the underlying SharedBuffer contents or reference count.
+template<typename T> struct trait_trivial_move<SortedVector<T> > { enum { value = true }; };
// ---------------------------------------------------------------------------
// No user serviceable parts from here...
diff --git a/include/utils/String16.h b/include/utils/String16.h
index 360f407..fe06c57 100644
--- a/include/utils/String16.h
+++ b/include/utils/String16.h
@@ -20,6 +20,7 @@
#include <utils/Errors.h>
#include <utils/SharedBuffer.h>
#include <utils/Unicode.h>
+#include <utils/TypeHelpers.h>
// ---------------------------------------------------------------------------
@@ -112,6 +113,10 @@
const char16_t* mString;
};
+// String16 can be trivially moved using memcpy() because moving does not
+// require any change to the underlying SharedBuffer contents or reference count.
+ANDROID_TRIVIAL_MOVE_TRAIT(String16)
+
TextOutput& operator<<(TextOutput& to, const String16& val);
// ---------------------------------------------------------------------------
diff --git a/include/utils/String8.h b/include/utils/String8.h
index 4163697..335e7f1 100644
--- a/include/utils/String8.h
+++ b/include/utils/String8.h
@@ -20,6 +20,7 @@
#include <utils/Errors.h>
#include <utils/SharedBuffer.h>
#include <utils/Unicode.h>
+#include <utils/TypeHelpers.h>
#include <string.h> // for strcmp
#include <stdarg.h>
@@ -219,6 +220,10 @@
const char* mString;
};
+// String8 can be trivially moved using memcpy() because moving does not
+// require any change to the underlying SharedBuffer contents or reference count.
+ANDROID_TRIVIAL_MOVE_TRAIT(String8)
+
TextOutput& operator<<(TextOutput& to, const String16& val);
// ---------------------------------------------------------------------------
diff --git a/include/utils/TypeHelpers.h b/include/utils/TypeHelpers.h
index 1f2c2d5..2bf33c3 100644
--- a/include/utils/TypeHelpers.h
+++ b/include/utils/TypeHelpers.h
@@ -68,12 +68,24 @@
};
};
-#define ANDROID_BASIC_TYPES_TRAITS( T ) \
- template<> struct trait_trivial_ctor< T > { enum { value = true }; }; \
- template<> struct trait_trivial_dtor< T > { enum { value = true }; }; \
- template<> struct trait_trivial_copy< T > { enum { value = true }; }; \
+#define ANDROID_TRIVIAL_CTOR_TRAIT( T ) \
+ template<> struct trait_trivial_ctor< T > { enum { value = true }; };
+
+#define ANDROID_TRIVIAL_DTOR_TRAIT( T ) \
+ template<> struct trait_trivial_dtor< T > { enum { value = true }; };
+
+#define ANDROID_TRIVIAL_COPY_TRAIT( T ) \
+ template<> struct trait_trivial_copy< T > { enum { value = true }; };
+
+#define ANDROID_TRIVIAL_MOVE_TRAIT( T ) \
template<> struct trait_trivial_move< T > { enum { value = true }; };
+#define ANDROID_BASIC_TYPES_TRAITS( T ) \
+ ANDROID_TRIVIAL_CTOR_TRAIT( T ) \
+ ANDROID_TRIVIAL_DTOR_TRAIT( T ) \
+ ANDROID_TRIVIAL_COPY_TRAIT( T ) \
+ ANDROID_TRIVIAL_MOVE_TRAIT( T )
+
// ---------------------------------------------------------------------------
/*
diff --git a/include/utils/Vector.h b/include/utils/Vector.h
index 5b5296b..e39a5b7 100644
--- a/include/utils/Vector.h
+++ b/include/utils/Vector.h
@@ -201,6 +201,9 @@
virtual void do_move_backward(void* dest, const void* from, size_t num) const;
};
+// Vector<T> can be trivially moved using memcpy() because moving does not
+// require any change to the underlying SharedBuffer contents or reference count.
+template<typename T> struct trait_trivial_move<Vector<T> > { enum { value = true }; };
// ---------------------------------------------------------------------------
// No user serviceable parts from here...
diff --git a/include/utils/WorkQueue.h b/include/utils/WorkQueue.h
new file mode 100644
index 0000000..e3c75b2
--- /dev/null
+++ b/include/utils/WorkQueue.h
@@ -0,0 +1,119 @@
+/*]
+ * Copyright (C) 2012 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 _LIBS_UTILS_WORK_QUEUE_H
+#define _LIBS_UTILS_WORK_QUEUE_H
+
+#include <utils/Errors.h>
+#include <utils/Vector.h>
+#include <utils/threads.h>
+
+namespace android {
+
+/*
+ * A threaded work queue.
+ *
+ * This class is designed to make it easy to run a bunch of isolated work
+ * units in parallel, using up to the specified number of threads.
+ * To use it, write a loop to post work units to the work queue, then synchronize
+ * on the queue at the end.
+ */
+class WorkQueue {
+public:
+ class WorkUnit {
+ public:
+ WorkUnit() { }
+ virtual ~WorkUnit() { }
+
+ /*
+ * Runs the work unit.
+ * If the result is 'true' then the work queue continues scheduling work as usual.
+ * If the result is 'false' then the work queue is canceled.
+ */
+ virtual bool run() = 0;
+ };
+
+ /* Creates a work queue with the specified maximum number of work threads. */
+ WorkQueue(size_t maxThreads, bool canCallJava = true);
+
+ /* Destroys the work queue.
+ * Cancels pending work and waits for all remaining threads to complete.
+ */
+ ~WorkQueue();
+
+ /* Posts a work unit to run later.
+ * If the work queue has been canceled or is already finished, returns INVALID_OPERATION
+ * and does not take ownership of the work unit (caller must destroy it itself).
+ * Otherwise, returns OK and takes ownership of the work unit (the work queue will
+ * destroy it automatically).
+ *
+ * For flow control, this method blocks when the size of the pending work queue is more
+ * 'backlog' times the number of threads. This condition reduces the rate of entry into
+ * the pending work queue and prevents it from growing much more rapidly than the
+ * work threads can actually handle.
+ *
+ * If 'backlog' is 0, then no throttle is applied.
+ */
+ status_t schedule(WorkUnit* workUnit, size_t backlog = 2);
+
+ /* Cancels all pending work.
+ * If the work queue is already finished, returns INVALID_OPERATION.
+ * If the work queue is already canceled, returns OK and does nothing else.
+ * Otherwise, returns OK, discards all pending work units and prevents additional
+ * work units from being scheduled.
+ *
+ * Call finish() after cancel() to wait for all remaining work to complete.
+ */
+ status_t cancel();
+
+ /* Waits for all work to complete.
+ * If the work queue is already finished, returns INVALID_OPERATION.
+ * Otherwise, waits for all work to complete and returns OK.
+ */
+ status_t finish();
+
+private:
+ class WorkThread : public Thread {
+ public:
+ WorkThread(WorkQueue* workQueue, bool canCallJava);
+ virtual ~WorkThread();
+
+ private:
+ virtual bool threadLoop();
+
+ WorkQueue* const mWorkQueue;
+ };
+
+ status_t cancelLocked();
+ bool threadLoop(); // called from each work thread
+
+ const size_t mMaxThreads;
+ const bool mCanCallJava;
+
+ Mutex mLock;
+ Condition mWorkChangedCondition;
+ Condition mWorkDequeuedCondition;
+
+ bool mCanceled;
+ bool mFinished;
+ size_t mIdleThreads;
+ Vector<sp<WorkThread> > mWorkThreads;
+ Vector<WorkUnit*> mWorkUnits;
+};
+
+}; // namespace android
+
+#endif // _LIBS_UTILS_WORK_QUEUE_H
diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index 87d0fb2..b4fc994 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -41,6 +41,7 @@
Tokenizer.cpp \
Unicode.cpp \
VectorImpl.cpp \
+ WorkQueue.cpp \
misc.cpp
host_commonCflags := -DLIBUTILS_NATIVE=1 $(TOOL_CFLAGS)
diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp
index ab207f5..f9277de 100644
--- a/libs/utils/Threads.cpp
+++ b/libs/utils/Threads.cpp
@@ -323,6 +323,7 @@
#endif
}
+#ifdef HAVE_ANDROID_OS
int androidSetThreadSchedulingGroup(pid_t tid, int grp)
{
if (grp > ANDROID_TGROUP_MAX || grp < 0) {
@@ -425,6 +426,7 @@
return ret;
}
+#endif
namespace android {
diff --git a/libs/utils/WorkQueue.cpp b/libs/utils/WorkQueue.cpp
new file mode 100644
index 0000000..3bb99a1
--- /dev/null
+++ b/libs/utils/WorkQueue.cpp
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2012 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 "WorkQueue"
+
+#include <utils/Log.h>
+#include <utils/WorkQueue.h>
+
+namespace android {
+
+// --- WorkQueue ---
+
+WorkQueue::WorkQueue(size_t maxThreads, bool canCallJava) :
+ mMaxThreads(maxThreads), mCanCallJava(canCallJava),
+ mCanceled(false), mFinished(false), mIdleThreads(0) {
+}
+
+WorkQueue::~WorkQueue() {
+ if (!cancel()) {
+ finish();
+ }
+}
+
+status_t WorkQueue::schedule(WorkUnit* workUnit, size_t backlog) {
+ AutoMutex _l(mLock);
+
+ if (mFinished || mCanceled) {
+ return INVALID_OPERATION;
+ }
+
+ if (mWorkThreads.size() < mMaxThreads
+ && mIdleThreads < mWorkUnits.size() + 1) {
+ sp<WorkThread> workThread = new WorkThread(this, mCanCallJava);
+ status_t status = workThread->run("WorkQueue::WorkThread");
+ if (status) {
+ return status;
+ }
+ mWorkThreads.add(workThread);
+ mIdleThreads += 1;
+ } else if (backlog) {
+ while (mWorkUnits.size() >= mMaxThreads * backlog) {
+ mWorkDequeuedCondition.wait(mLock);
+ if (mFinished || mCanceled) {
+ return INVALID_OPERATION;
+ }
+ }
+ }
+
+ mWorkUnits.add(workUnit);
+ mWorkChangedCondition.broadcast();
+ return OK;
+}
+
+status_t WorkQueue::cancel() {
+ AutoMutex _l(mLock);
+
+ return cancelLocked();
+}
+
+status_t WorkQueue::cancelLocked() {
+ if (mFinished) {
+ return INVALID_OPERATION;
+ }
+
+ if (!mCanceled) {
+ mCanceled = true;
+
+ size_t count = mWorkUnits.size();
+ for (size_t i = 0; i < count; i++) {
+ delete mWorkUnits.itemAt(i);
+ }
+ mWorkUnits.clear();
+ mWorkChangedCondition.broadcast();
+ mWorkDequeuedCondition.broadcast();
+ }
+ return OK;
+}
+
+status_t WorkQueue::finish() {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mFinished) {
+ return INVALID_OPERATION;
+ }
+
+ mFinished = true;
+ mWorkChangedCondition.broadcast();
+ } // release lock
+
+ // It is not possible for the list of work threads to change once the mFinished
+ // flag has been set, so we can access mWorkThreads outside of the lock here.
+ size_t count = mWorkThreads.size();
+ for (size_t i = 0; i < count; i++) {
+ mWorkThreads.itemAt(i)->join();
+ }
+ mWorkThreads.clear();
+ return OK;
+}
+
+bool WorkQueue::threadLoop() {
+ WorkUnit* workUnit;
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ for (;;) {
+ if (mCanceled) {
+ return false;
+ }
+
+ if (!mWorkUnits.isEmpty()) {
+ workUnit = mWorkUnits.itemAt(0);
+ mWorkUnits.removeAt(0);
+ mIdleThreads -= 1;
+ mWorkDequeuedCondition.broadcast();
+ break;
+ }
+
+ if (mFinished) {
+ return false;
+ }
+
+ mWorkChangedCondition.wait(mLock);
+ }
+ } // release lock
+
+ bool shouldContinue = workUnit->run();
+ delete workUnit;
+
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ mIdleThreads += 1;
+
+ if (!shouldContinue) {
+ cancelLocked();
+ return false;
+ }
+ } // release lock
+
+ return true;
+}
+
+// --- WorkQueue::WorkThread ---
+
+WorkQueue::WorkThread::WorkThread(WorkQueue* workQueue, bool canCallJava) :
+ Thread(canCallJava), mWorkQueue(workQueue) {
+}
+
+WorkQueue::WorkThread::~WorkThread() {
+}
+
+bool WorkQueue::WorkThread::threadLoop() {
+ return mWorkQueue->threadLoop();
+}
+
+}; // namespace android
diff --git a/opengl/libs/GLES_trace/src/gltrace_transport.cpp b/opengl/libs/GLES_trace/src/gltrace_transport.cpp
index 5251b12..5c73456 100644
--- a/opengl/libs/GLES_trace/src/gltrace_transport.cpp
+++ b/opengl/libs/GLES_trace/src/gltrace_transport.cpp
@@ -23,6 +23,7 @@
#include <netinet/in.h>
#include <cutils/log.h>
+#include <private/android_filesystem_config.h>
#include "gltrace_transport.h"
@@ -67,6 +68,19 @@
return -1;
}
+ struct ucred cr;
+ socklen_t cr_len = sizeof(cr);
+ if (getsockopt(clientSocket, SOL_SOCKET, SO_PEERCRED, &cr, &cr_len) != 0) {
+ ALOGE("Error obtaining credentials of peer");
+ return -1;
+ }
+
+ // Only accept connects from the shell (adb forward comes to us as shell user)
+ if (cr.uid != AID_SHELL) {
+ ALOGE("Unknown peer type (%d), expected shell to be the peer", cr.uid);
+ return -1;
+ }
+
ALOGD("gltrace::waitForClientConnection: client connected.");
// do not accept any more incoming connections