1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _NDK_IMAGE_PRIV_H 18 #define _NDK_IMAGE_PRIV_H 19 20 #include <inttypes.h> 21 #include <utils/Log.h> 22 #include <utils/StrongPointer.h> 23 24 #include <gui/CpuConsumer.h> 25 26 #include "NdkImageReaderPriv.h" 27 #include "NdkImage.h" 28 29 30 using namespace android; 31 32 // TODO: this only supports ImageReader 33 struct AImage { 34 AImage(AImageReader* reader, int32_t format, 35 CpuConsumer::LockedBuffer* buffer, int64_t timestamp, 36 int32_t width, int32_t height, int32_t numPlanes); 37 38 // free all resources while keeping object alive. Caller must obtain reader lock 39 void close(); 40 41 // Remove from object memory. Must be called after close 42 void free(); 43 44 bool isClosed() const ; 45 46 // only For AImage to grab reader lock 47 // Always grab reader lock before grabbing image lock 48 void lockReader() const; 49 void unlockReader() const; 50 51 media_status_t getWidth(/*out*/int32_t* width) const; 52 media_status_t getHeight(/*out*/int32_t* height) const; 53 media_status_t getFormat(/*out*/int32_t* format) const; 54 media_status_t getNumPlanes(/*out*/int32_t* numPlanes) const; 55 media_status_t getTimestamp(/*out*/int64_t* timestamp) const; 56 57 media_status_t getPlanePixelStride(int planeIdx, /*out*/int32_t* pixelStride) const; 58 media_status_t getPlaneRowStride(int planeIdx, /*out*/int32_t* rowStride) const; 59 media_status_t getPlaneData(int planeIdx,/*out*/uint8_t** data, /*out*/int* dataLength) const; 60 61 private: 62 // AImage should be deleted through free() API. 63 ~AImage(); 64 65 friend struct AImageReader; // for reader to access mBuffer 66 67 uint32_t getJpegSize() const; 68 69 // When reader is close, AImage will only accept close API call 70 wp<AImageReader> mReader; 71 const int32_t mFormat; 72 CpuConsumer::LockedBuffer* mBuffer; 73 const int64_t mTimestamp; 74 const int32_t mWidth; 75 const int32_t mHeight; 76 const int32_t mNumPlanes; 77 bool mIsClosed = false; 78 mutable Mutex mLock; 79 }; 80 81 #endif // _NDK_IMAGE_PRIV_H 82