android_media_Utils.h revision 0ab416269a866c8afa8f65d9351afa2407abee4c
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> 248409c0691fb128fef6244305977342776bddf919Jaesung Chung#include <jni.h> 258409c0691fb128fef6244305977342776bddf919Jaesung Chung#include <JNIHelp.h> 2679f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong#include <utils/KeyedVector.h> 2779f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong#include <utils/String8.h> 280ab416269a866c8afa8f65d9351afa2407abee4cZhijun He#include <gui/CpuConsumer.h> 290ab416269a866c8afa8f65d9351afa2407abee4cZhijun He#include <camera3.h> 3079f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 3179f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dongnamespace android { 3279f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 338409c0691fb128fef6244305977342776bddf919Jaesung Chungclass FileStream : public piex::StreamInterface { 348409c0691fb128fef6244305977342776bddf919Jaesung Chungprivate: 358409c0691fb128fef6244305977342776bddf919Jaesung Chung FILE *mFile; 368409c0691fb128fef6244305977342776bddf919Jaesung Chung size_t mPosition; 378409c0691fb128fef6244305977342776bddf919Jaesung Chung size_t mSize; 388409c0691fb128fef6244305977342776bddf919Jaesung Chung 398409c0691fb128fef6244305977342776bddf919Jaesung Chungpublic: 4015ef59e081846b43660635391d536361c3253a22Jaesung Chung FileStream(const int fd); 418409c0691fb128fef6244305977342776bddf919Jaesung Chung FileStream(const String8 filename); 428409c0691fb128fef6244305977342776bddf919Jaesung Chung ~FileStream(); 438409c0691fb128fef6244305977342776bddf919Jaesung Chung 448409c0691fb128fef6244305977342776bddf919Jaesung Chung // Reads 'length' amount of bytes from 'offset' to 'data'. The 'data' buffer 458409c0691fb128fef6244305977342776bddf919Jaesung Chung // provided by the caller, guaranteed to be at least "length" bytes long. 468409c0691fb128fef6244305977342776bddf919Jaesung Chung // On 'kOk' the 'data' pointer contains 'length' valid bytes beginning at 478409c0691fb128fef6244305977342776bddf919Jaesung Chung // 'offset' bytes from the start of the stream. 488409c0691fb128fef6244305977342776bddf919Jaesung Chung // Returns 'kFail' if 'offset' + 'length' exceeds the stream and does not 498409c0691fb128fef6244305977342776bddf919Jaesung Chung // change the contents of 'data'. 508409c0691fb128fef6244305977342776bddf919Jaesung Chung piex::Error GetData( 518409c0691fb128fef6244305977342776bddf919Jaesung Chung const size_t offset, const size_t length, std::uint8_t* data) override; 528409c0691fb128fef6244305977342776bddf919Jaesung Chung bool exists() const; 538409c0691fb128fef6244305977342776bddf919Jaesung Chung size_t size() const; 548409c0691fb128fef6244305977342776bddf919Jaesung Chung}; 558409c0691fb128fef6244305977342776bddf919Jaesung Chung 568409c0691fb128fef6244305977342776bddf919Jaesung Chung// Reads EXIF metadata from a given raw image via piex. 578409c0691fb128fef6244305977342776bddf919Jaesung Chung// And returns true if the operation is successful; otherwise, false. 588409c0691fb128fef6244305977342776bddf919Jaesung Chungbool GetExifFromRawImage( 598409c0691fb128fef6244305977342776bddf919Jaesung Chung FileStream* stream, const String8& filename, piex::PreviewImageData& image_data); 608409c0691fb128fef6244305977342776bddf919Jaesung Chung 618409c0691fb128fef6244305977342776bddf919Jaesung Chung// Returns true if the conversion is successful; otherwise, false. 6279f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dongbool ConvertKeyValueArraysToKeyedVector( 638409c0691fb128fef6244305977342776bddf919Jaesung Chung JNIEnv *env, jobjectArray keys, jobjectArray values, 648409c0691fb128fef6244305977342776bddf919Jaesung Chung KeyedVector<String8, String8>* vector); 6579f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 6688572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huberstruct AMessage; 6788572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huberstatus_t ConvertMessageToMap( 6888572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber JNIEnv *env, const sp<AMessage> &msg, jobject *map); 6988572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber 7088572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huberstatus_t ConvertKeyValueArraysToMessage( 7188572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber JNIEnv *env, jobjectArray keys, jobjectArray values, 7288572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber sp<AMessage> *msg); 7388572f7a3e9d7ef85c26865a0150f3c2041561c2Andreas Huber 740ab416269a866c8afa8f65d9351afa2407abee4cZhijun He// -----------Utility functions used by ImageReader/Writer JNI----------------- 750ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 760ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hetypedef CpuConsumer::LockedBuffer LockedImage; 770ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 780ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hebool usingRGBAToJpegOverride(int32_t imageFormat, int32_t containerFormat); 790ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 800ab416269a866c8afa8f65d9351afa2407abee4cZhijun Heint32_t applyFormatOverrides(int32_t imageFormat, int32_t containerFormat); 810ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 820ab416269a866c8afa8f65d9351afa2407abee4cZhijun Heuint32_t Image_getJpegSize(LockedImage* buffer, bool usingRGBAOverride); 830ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 840ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hebool isFormatOpaque(int format); 850ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 860ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hebool isPossiblyYUV(PixelFormat format); 870ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 880ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hestatus_t getLockedImageInfo(LockedImage* buffer, int idx, int32_t containerFormat, 890ab416269a866c8afa8f65d9351afa2407abee4cZhijun He uint8_t **base, uint32_t *size, int *pixelStride, int *rowStride); 900ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 910ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hestatus_t lockImageFromBuffer(sp<GraphicBuffer> buffer, uint32_t inUsage, 920ab416269a866c8afa8f65d9351afa2407abee4cZhijun He const Rect& rect, int fenceFd, LockedImage* outputImage); 930ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 940ab416269a866c8afa8f65d9351afa2407abee4cZhijun Hestatus_t lockImageFromBuffer(BufferItem* bufferItem, uint32_t inUsage, 950ab416269a866c8afa8f65d9351afa2407abee4cZhijun He int fenceFd, LockedImage* outputImage); 960ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 970ab416269a866c8afa8f65d9351afa2407abee4cZhijun Heint getBufferWidth(BufferItem *buffer); 980ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 990ab416269a866c8afa8f65d9351afa2407abee4cZhijun Heint getBufferHeight(BufferItem *buffer); 1000ab416269a866c8afa8f65d9351afa2407abee4cZhijun He 10179f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong}; // namespace android 10279f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong 10379f407cc6c5ae34fc6f04d52fd034b49d1f002c4James Dong#endif // _ANDROID_MEDIA_UTILS_H_ 104