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iyokan: add missing camera include

Change-Id: I9f6c05e88aa7a5e1c0751fae0d1f92701c0aa22f
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commit 0928b15c166b73751ba464b1789fefb951e262b7 1 parent 05fce50
jerpelea freexperia authored
Showing with 242 additions and 0 deletions.
  1. +242 −0 include/camera/CameraHardwareInterface.h
242 include/camera/CameraHardwareInterface.h
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+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * Copyright (C) 2010, Code Aurora Forum. All rights reserved.
+ *
+ * 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_HARDWARE_INTERFACE_H
+#define ANDROID_HARDWARE_CAMERA_HARDWARE_INTERFACE_H
+
+#include <binder/IMemory.h>
+#include <utils/RefBase.h>
+#include <surfaceflinger/ISurface.h>
+#include <camera/Camera.h>
+#include <camera/CameraParameters.h>
+
+namespace android {
+
+class Overlay;
+
+/**
+ * The size of image for display.
+ */
+typedef struct image_rect_struct
+{
+ uint32_t width; /* Image width */
+ uint32_t height; /* Image height */
+} image_rect_type;
+
+
+typedef void (*notify_callback)(int32_t msgType,
+ int32_t ext1,
+ int32_t ext2,
+ void* user);
+
+typedef void (*data_callback)(int32_t msgType,
+ const sp<IMemory>& dataPtr,
+ void* user);
+
+typedef void (*data_callback_timestamp)(nsecs_t timestamp,
+ int32_t msgType,
+ const sp<IMemory>& dataPtr,
+ void* user);
+
+/**
+ * CameraHardwareInterface.h defines the interface to the
+ * camera hardware abstraction layer, used for setting and getting
+ * parameters, live previewing, and taking pictures.
+ *
+ * It is a referenced counted interface with RefBase as its base class.
+ * CameraService calls openCameraHardware() to retrieve a strong pointer to the
+ * instance of this interface and may be called multiple times. The
+ * following steps describe a typical sequence:
+ *
+ * -# After CameraService calls openCameraHardware(), getParameters() and
+ * setParameters() are used to initialize the camera instance.
+ * CameraService calls getPreviewHeap() to establish access to the
+ * preview heap so it can be registered with SurfaceFlinger for
+ * efficient display updating while in preview mode.
+ * -# startPreview() is called. The camera instance then periodically
+ * sends the message CAMERA_MSG_PREVIEW_FRAME (if enabled) each time
+ * a new preview frame is available. If data callback code needs to use
+ * this memory after returning, it must copy the data.
+ *
+ * Prior to taking a picture, CameraService calls autofocus(). When auto
+ * focusing has completed, the camera instance sends a CAMERA_MSG_FOCUS notification,
+ * which informs the application whether focusing was successful. The camera instance
+ * only sends this message once and it is up to the application to call autoFocus()
+ * again if refocusing is desired.
+ *
+ * CameraService calls takePicture() to request the camera instance take a
+ * picture. At this point, if a shutter, postview, raw, and/or compressed callback
+ * is desired, the corresponding message must be enabled. As with CAMERA_MSG_PREVIEW_FRAME,
+ * any memory provided in a data callback must be copied if it's needed after returning.
+ */
+class CameraHardwareInterface : public virtual RefBase {
+public:
+ virtual ~CameraHardwareInterface() { }
+
+ /** Return the IMemoryHeap for the preview image heap */
+ virtual sp<IMemoryHeap> getPreviewHeap() const = 0;
+
+ /** Return the IMemoryHeap for the raw image heap */
+ virtual sp<IMemoryHeap> getRawHeap() const = 0;
+
+ /** Set the notification and data callbacks */
+ virtual void setCallbacks(notify_callback notify_cb,
+ data_callback data_cb,
+ data_callback_timestamp data_cb_timestamp,
+ void* user) = 0;
+
+ /**
+ * The following three functions all take a msgtype,
+ * which is a bitmask of the messages defined in
+ * include/ui/Camera.h
+ */
+
+ /**
+ * Enable a message, or set of messages.
+ */
+ virtual void enableMsgType(int32_t msgType) = 0;
+
+ /**
+ * Disable a message, or a set of messages.
+ */
+ virtual void disableMsgType(int32_t msgType) = 0;
+
+ /**
+ * Query whether a message, or a set of messages, is enabled.
+ * Note that this is operates as an AND, if any of the messages
+ * queried are off, this will return false.
+ */
+ virtual bool msgTypeEnabled(int32_t msgType) = 0;
+
+#ifdef USE_GETBUFFERINFO
+ /**
+ * Query the recording buffer information from HAL.
+ * This is needed because the opencore expects the buffer
+ * information before starting the recording.
+ */
+ virtual status_t getBufferInfo(sp<IMemory>& Frame, size_t *alignedSize) = 0;
+#endif
+
+ /**
+ * Start preview mode.
+ */
+ virtual status_t startPreview() = 0;
+
+ /**
+ * Only used if overlays are used for camera preview.
+ */
+ virtual bool useOverlay() {return false;}
+ virtual status_t setOverlay(const sp<Overlay> &overlay) {return BAD_VALUE;}
+
+ /**
+ * Stop a previously started preview.
+ */
+ virtual void stopPreview() = 0;
+
+ /**
+ * Returns true if preview is enabled.
+ */
+ virtual bool previewEnabled() = 0;
+
+ /**
+ * Start record mode. When a record image is available a CAMERA_MSG_VIDEO_FRAME
+ * message is sent with the corresponding frame. Every record frame must be released
+ * by calling releaseRecordingFrame().
+ */
+ virtual status_t startRecording() = 0;
+
+ /**
+ * Stop a previously started recording.
+ */
+ virtual void stopRecording() = 0;
+
+ /**
+ * Returns true if recording is enabled.
+ */
+ virtual bool recordingEnabled() = 0;
+
+ /**
+ * Release a record frame previously returned by CAMERA_MSG_VIDEO_FRAME.
+ */
+ virtual void releaseRecordingFrame(const sp<IMemory>& mem) = 0;
+
+ /**
+ * Start auto focus, the notification callback routine is called
+ * with CAMERA_MSG_FOCUS once when focusing is complete. autoFocus()
+ * will be called again if another auto focus is needed.
+ */
+ virtual status_t autoFocus() = 0;
+
+ /**
+ * Cancels auto-focus function. If the auto-focus is still in progress,
+ * this function will cancel it. Whether the auto-focus is in progress
+ * or not, this function will return the focus position to the default.
+ * If the camera does not support auto-focus, this is a no-op.
+ */
+ virtual status_t cancelAutoFocus() = 0;
+
+ /**
+ * Take a picture.
+ */
+ virtual status_t takePicture() = 0;
+
+ /**
+ * Cancel a picture that was started with takePicture. Calling this
+ * method when no picture is being taken is a no-op.
+ */
+ virtual status_t cancelPicture() = 0;
+
+ /**
+ * Set the camera parameters. This returns BAD_VALUE if any parameter is
+ * invalid or not supported. */
+ virtual status_t setParameters(const CameraParameters& params) = 0;
+
+ /** Return the camera parameters. */
+ virtual CameraParameters getParameters() const = 0;
+
+ /**
+ * Send command to camera driver.
+ */
+ virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) = 0;
+
+ /**
+ * Release the hardware resources owned by this object. Note that this is
+ * *not* done in the destructor.
+ */
+ virtual void release() = 0;
+
+ /**
+ * Dump state of the camera hardware
+ */
+ virtual status_t dump(int fd, const Vector<String16>& args) const = 0;
+
+};
+
+/**
+ * The functions need to be provided by the camera HAL.
+ *
+ * If getNumberOfCameras() returns N, the valid cameraId for getCameraInfo()
+ * and openCameraHardware() is 0 to N-1.
+ */
+extern "C" int HAL_getNumberOfCameras();
+extern "C" void HAL_getCameraInfo(int cameraId, struct CameraInfo* cameraInfo);
+/* HAL should return NULL if it fails to open camera hardware. */
+extern "C" sp<CameraHardwareInterface> HAL_openCameraHardware(int cameraId);
+
+}; // namespace android
+
+#endif
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