android_media_Utils.h revision 6e08d2b082acfc773907733f2ddab4e9b60616e1
179f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong/* 279f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * Copyright 2011, The Android Open Source Project 379f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * 479f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * Licensed under the Apache License, Version 2.0 (the "License"); 579f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * you may not use this file except in compliance with the License. 679f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * You may obtain a copy of the License at 779f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * 879f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * http://www.apache.org/licenses/LICENSE-2.0 979f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * 1079f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * Unless required by applicable law or agreed to in writing, software 1179f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * distributed under the License is distributed on an "AS IS" BASIS, 1279f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1379f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * See the License for the specific language governing permissions and 1479f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong * limitations under the License. 1579f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong */ 1679f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 1779f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong#ifndef _ANDROID_MEDIA_UTILS_H_ 1879f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong#define _ANDROID_MEDIA_UTILS_H_ 1979f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 208409c0691fb128fef6244305977342776bddf919Jaesung Chung#include "src/piex_types.h" 218409c0691fb128fef6244305977342776bddf919Jaesung Chung#include "src/piex.h" 2279f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 238409c0691fb128fef6244305977342776bddf919Jaesung Chung#include <android_runtime/AndroidRuntime.h> 246e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung#include <camera3.h> 256e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung#include <gui/CpuConsumer.h> 268409c0691fb128fef6244305977342776bddf919Jaesung Chung#include <jni.h> 278409c0691fb128fef6244305977342776bddf919Jaesung Chung#include <JNIHelp.h> 2879f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong#include <utils/KeyedVector.h> 2979f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong#include <utils/String8.h> 306e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung#include <SkStream.h> 3179f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 3279f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dongnamespace android { 3379f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 346e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chungclass AssetStream : public piex::StreamInterface { 356e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chungprivate: 366e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung SkStream *mStream; 376e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung size_t mPosition; 386e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung 396e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chungpublic: 406e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung AssetStream(SkStream* stream); 416e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung ~AssetStream(); 426e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung 436e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer 446e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // provided by the caller, guaranteed to be at least "length" bytes long. 456e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at 466e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // 'offset' bytes from the start of the stream. 476e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not 486e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // change the contents of 'data'. 496e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung piex::Error GetData( 506e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung const size_t offset, const size_t length, std::uint8_t* data) override; 516e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung}; 526e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung 536e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chungclass BufferedStream : public piex::StreamInterface { 546e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chungprivate: 556e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung SkStream *mStream; 566e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // Growable memory stream 576e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung SkDynamicMemoryWStream mStreamBuffer; 586e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung 596e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // Minimum size to read on filling the buffer. 606e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung const size_t kMinSizeToRead = 8192; 616e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung 626e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chungpublic: 636e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung BufferedStream(SkStream* stream); 646e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung ~BufferedStream(); 656e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung 666e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer 676e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // provided by the caller, guaranteed to be at least "length" bytes long. 686e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at 696e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // 'offset' bytes from the start of the stream. 706e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not 716e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung // change the contents of 'data'. 726e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung piex::Error GetData( 736e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung const size_t offset, const size_t length, std::uint8_t* data) override; 746e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung}; 756e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung 768409c0691fb128fef6244305977342776bddf919Jaesung Chungclass FileStream : public piex::StreamInterface { 778409c0691fb128fef6244305977342776bddf919Jaesung Chungprivate: 788409c0691fb128fef6244305977342776bddf919Jaesung Chung FILE *mFile; 798409c0691fb128fef6244305977342776bddf919Jaesung Chung size_t mPosition; 808409c0691fb128fef6244305977342776bddf919Jaesung Chung 818409c0691fb128fef6244305977342776bddf919Jaesung Chungpublic: 8215ef59e081846b43660635391d536361c3253a22Jaesung Chung FileStream(const int fd); 838409c0691fb128fef6244305977342776bddf919Jaesung Chung FileStream(const String8 filename); 848409c0691fb128fef6244305977342776bddf919Jaesung Chung ~FileStream(); 858409c0691fb128fef6244305977342776bddf919Jaesung Chung 868409c0691fb128fef6244305977342776bddf919Jaesung Chung // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer 878409c0691fb128fef6244305977342776bddf919Jaesung Chung // provided by the caller, guaranteed to be at least "length" bytes long. 888409c0691fb128fef6244305977342776bddf919Jaesung Chung // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at 898409c0691fb128fef6244305977342776bddf919Jaesung Chung // 'offset' bytes from the start of the stream. 908409c0691fb128fef6244305977342776bddf919Jaesung Chung // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not 918409c0691fb128fef6244305977342776bddf919Jaesung Chung // change the contents of 'data'. 928409c0691fb128fef6244305977342776bddf919Jaesung Chung piex::Error GetData( 938409c0691fb128fef6244305977342776bddf919Jaesung Chung const size_t offset, const size_t length, std::uint8_t* data) override; 948409c0691fb128fef6244305977342776bddf919Jaesung Chung bool exists() const; 958409c0691fb128fef6244305977342776bddf919Jaesung Chung}; 968409c0691fb128fef6244305977342776bddf919Jaesung Chung 978409c0691fb128fef6244305977342776bddf919Jaesung Chung// Reads EXIF metadata from a given raw image via piex. 988409c0691fb128fef6244305977342776bddf919Jaesung Chung// And returns true if the operation is successful; otherwise, false. 998409c0691fb128fef6244305977342776bddf919Jaesung Chungbool GetExifFromRawImage( 1006e08d2b082acfc773907733f2ddab4e9b60616e1Jaesung Chung piex::StreamInterface* stream, const String8& filename, piex::PreviewImageData& image_data); 1018409c0691fb128fef6244305977342776bddf919Jaesung Chung 1028409c0691fb128fef6244305977342776bddf919Jaesung Chung// Returns true if the conversion is successful; otherwise, false. 10379f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dongbool ConvertKeyValueArraysToKeyedVector( 1048409c0691fb128fef6244305977342776bddf919Jaesung Chung JNIEnv *env, jobjectArray keys, jobjectArray values, 1058409c0691fb128fef6244305977342776bddf919Jaesung Chung KeyedVector<String8, String8>* vector); 10679f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 10788572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huberstruct AMessage; 10888572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huberstatus_t ConvertMessageToMap( 10988572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber JNIEnv *env, const sp<AMessage> &msg, jobject *map); 11088572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber 11188572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huberstatus_t ConvertKeyValueArraysToMessage( 11288572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber JNIEnv *env, jobjectArray keys, jobjectArray values, 11388572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber sp<AMessage> *msg); 11488572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber 1150ab416269a866c8afa8f65d9351afa2407abee4cZhijun He// -----------Utility functions used by ImageReader/Writer JNI----------------- 1160ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1170ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hetypedef CpuConsumer::LockedBuffer LockedImage; 1180ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1190ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hebool usingRGBAToJpegOverride(int32_t imageFormat, int32_t containerFormat); 1200ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1210ab416269a866c8afa8f65d9351afa2407abee4cZhijun Heint32_t applyFormatOverrides(int32_t imageFormat, int32_t containerFormat); 1220ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1230ab416269a866c8afa8f65d9351afa2407abee4cZhijun Heuint32_t Image_getJpegSize(LockedImage* buffer, bool usingRGBAOverride); 1240ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1250ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hebool isFormatOpaque(int format); 1260ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1270ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hebool isPossiblyYUV(PixelFormat format); 1280ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1290ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hestatus_t getLockedImageInfo(LockedImage* buffer, int idx, int32_t containerFormat, 1300ab416269a866c8afa8f65d9351afa2407abee4cZhijun He uint8_t **base, uint32_t *size, int *pixelStride, int *rowStride); 1310ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1320ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hestatus_t lockImageFromBuffer(sp<GraphicBuffer> buffer, uint32_t inUsage, 1330ab416269a866c8afa8f65d9351afa2407abee4cZhijun He const Rect& rect, int fenceFd, LockedImage* outputImage); 1340ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1350ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hestatus_t lockImageFromBuffer(BufferItem* bufferItem, uint32_t inUsage, 1360ab416269a866c8afa8f65d9351afa2407abee4cZhijun He int fenceFd, LockedImage* outputImage); 1370ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1380ab416269a866c8afa8f65d9351afa2407abee4cZhijun Heint getBufferWidth(BufferItem *buffer); 1390ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 1400ab416269a866c8afa8f65d9351afa2407abee4cZhijun Heint getBufferHeight(BufferItem *buffer); 1410ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 14279f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong}; // namespace android 14379f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 14479f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong#endif // _ANDROID_MEDIA_UTILS_H_ 145