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/*
* 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_ICAMERA_H
#define ANDROID_HARDWARE_ICAMERA_H
#include <utils/RefBase.h>
#include <binder/IInterface.h>
#include <binder/Parcel.h>
#include <surfaceflinger/Surface.h>
#include <binder/IMemory.h>
#include <utils/String8.h>
#include <camera/Camera.h>
#include <gui/ISurfaceTexture.h>
namespace android {
class ICameraClient;
class ICamera: public IInterface
{
public:
DECLARE_META_INTERFACE(Camera);
virtual void disconnect() = 0;
// connect new client with existing camera remote
virtual status_t connect(const sp<ICameraClient>& client) = 0;
// prevent other processes from using this ICamera interface
virtual status_t lock() = 0;
// allow other processes to use this ICamera interface
virtual status_t unlock() = 0;
// pass the buffered Surface to the camera service
virtual status_t setPreviewDisplay(const sp<Surface>& surface) = 0;
// pass the buffered ISurfaceTexture to the camera service
virtual status_t setPreviewTexture(
const sp<ISurfaceTexture>& surfaceTexture) = 0;
// set the preview callback flag to affect how the received frames from
// preview are handled.
virtual void setPreviewCallbackFlag(int flag) = 0;
// start preview mode, must call setPreviewDisplay first
virtual status_t startPreview() = 0;
// stop preview mode
virtual void stopPreview() = 0;
// get preview state
virtual bool previewEnabled() = 0;
// start recording mode
virtual status_t startRecording() = 0;
// stop recording mode
virtual void stopRecording() = 0;
// get recording state
virtual bool recordingEnabled() = 0;
// release a recording frame
virtual void releaseRecordingFrame(const sp<IMemory>& mem) = 0;
// auto focus
virtual status_t autoFocus() = 0;
// cancel auto focus
virtual status_t cancelAutoFocus() = 0;
/*
* take a picture.
* @param msgType the message type an application selectively turn on/off
* on a photo-by-photo basis. The supported message types are:
* CAMERA_MSG_SHUTTER, CAMERA_MSG_RAW_IMAGE, CAMERA_MSG_COMPRESSED_IMAGE,
* and CAMERA_MSG_POSTVIEW_FRAME. Any other message types will be ignored.
*/
virtual status_t takePicture(int msgType) = 0;
// set preview/capture parameters - key/value pairs
virtual status_t setParameters(const String8& params) = 0;
// get preview/capture parameters - key/value pairs
virtual String8 getParameters() const = 0;
// send command to camera driver
virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) = 0;
// tell the camera hal to store meta data or real YUV data in video buffers.
virtual status_t storeMetaDataInBuffers(bool enabled) = 0;
};
// ----------------------------------------------------------------------------
class BnCamera: public BnInterface<ICamera>
{
public:
virtual status_t onTransact( uint32_t code,
const Parcel& data,
Parcel* reply,
uint32_t flags = 0);
};
}; // namespace android
#endif
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