1 /* 2 * Copyright (C) 2024 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 _VNDK_IMAGE_READER_H 18 #define _VNDK_IMAGE_READER_H 19 20 // vndk is a superset of the NDK 21 #include <media/NdkImageReader.h> 22 23 __BEGIN_DECLS 24 25 /** 26 * Set the usage of this image reader. 27 * 28 * <p>Note that calling this method will replace the previously set usage.</p> 29 * 30 * <p>Note: This will trigger re-allocation, could cause producer failures mid-stream 31 * if the new usage combination isn't supported, and thus should be avoided as much as 32 * possible regardless.</p> 33 * 34 * Available since API level 36. 35 * 36 * @param reader The image reader of interest. 37 * @param usage specifies how the consumer will access the AImage. 38 * See {@link AImageReader_newWithUsage} parameter description for more details. 39 * @return <ul> 40 * <li>{@link AMEDIA_OK} if the method call succeeds.</li> 41 * <li>{@link AMEDIA_ERROR_INVALID_PARAMETER} if reader is NULL.</li> 42 * <li>{@link AMEDIA_ERROR_UNKNOWN} if the method fails for some other reasons.</li></ul> 43 * 44 * @see AImage_getHardwareBuffer 45 */ 46 media_status_t AImageReader_setUsage( 47 AImageReader* _Nonnull reader, uint64_t usage) __INTRODUCED_IN(36); 48 49 __END_DECLS 50 51 #endif //_VNDK_IMAGE_READER_H 52