diff options
Diffstat (limited to 'services/camera/libcameraservice/api1/client2/CallbackProcessor.h')
-rw-r--r-- | services/camera/libcameraservice/api1/client2/CallbackProcessor.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/services/camera/libcameraservice/api1/client2/CallbackProcessor.h b/services/camera/libcameraservice/api1/client2/CallbackProcessor.h new file mode 100644 index 0000000..613f5be --- /dev/null +++ b/services/camera/libcameraservice/api1/client2/CallbackProcessor.h @@ -0,0 +1,99 @@ +/* + * 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 ANDROID_SERVERS_CAMERA_CAMERA2_CALLBACKPROCESSOR_H +#define ANDROID_SERVERS_CAMERA_CAMERA2_CALLBACKPROCESSOR_H + +#include <utils/Thread.h> +#include <utils/String16.h> +#include <utils/Vector.h> +#include <utils/Mutex.h> +#include <utils/Condition.h> +#include <gui/CpuConsumer.h> + +#include "api1/client2/Camera2Heap.h" + +namespace android { + +class Camera2Client; +class CameraDeviceBase; + +namespace camera2 { + +class Parameters; + +/*** + * Still image capture output image processing + */ +class CallbackProcessor: + public Thread, public CpuConsumer::FrameAvailableListener { + public: + CallbackProcessor(sp<Camera2Client> client); + ~CallbackProcessor(); + + void onFrameAvailable(); + + // Set to NULL to disable the direct-to-app callback window + status_t setCallbackWindow(sp<ANativeWindow> callbackWindow); + status_t updateStream(const Parameters ¶ms); + status_t deleteStream(); + int getStreamId() const; + + void dump(int fd, const Vector<String16>& args) const; + private: + static const nsecs_t kWaitDuration = 10000000; // 10 ms + wp<Camera2Client> mClient; + wp<CameraDeviceBase> mDevice; + int mId; + + mutable Mutex mInputMutex; + bool mCallbackAvailable; + Condition mCallbackAvailableSignal; + + enum { + NO_STREAM = -1 + }; + + // True if mCallbackWindow is a remote consumer, false if just the local + // mCallbackConsumer + bool mCallbackToApp; + int mCallbackStreamId; + static const size_t kCallbackHeapCount = 6; + sp<CpuConsumer> mCallbackConsumer; + sp<ANativeWindow> mCallbackWindow; + sp<Camera2Heap> mCallbackHeap; + int mCallbackHeapId; + size_t mCallbackHeapHead, mCallbackHeapFree; + + virtual bool threadLoop(); + + status_t processNewCallback(sp<Camera2Client> &client); + // Used when shutting down + status_t discardNewCallback(); + + // Convert from flexible YUV to NV21 or YV12 + status_t convertFromFlexibleYuv(int32_t previewFormat, + uint8_t *dst, + const CpuConsumer::LockedBuffer &src, + uint32_t dstYStride, + uint32_t dstCStride) const; +}; + + +}; //namespace camera2 +}; //namespace android + +#endif |