1 /* 2 * Copyright (c) 2022 HiSilicon (Shanghai) Technologies CO., LIMITED. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef VGS_IMG_H 17 #define VGS_IMG_H 18 19 #include <stdbool.h> 20 #include <stdint.h> 21 22 #include "hi_common.h" 23 #include "hi_comm_video.h" 24 #include "hi_comm_venc.h" 25 #include "ai_infer_process.h" 26 27 #if __cplusplus 28 extern "C" { 29 #endif 30 31 /* 32 * 常用数字单位 33 * Commonly used numerical units 34 */ 35 #define HI_KB 1024 36 #define HI_MB (1024 * 1024) 37 #define HI_MS_OF_SEC 1000 // 1s in milliseconds 38 #define HI_NS_OF_MS 1000000 // Nanoseconds in 1ms 39 #define HI_BYTE_BITS 8 // Number of bits in 1 byte 40 #define HI_INT8_BITS 8 // 8-bit integer number of bits 41 #define HI_INT16_BITS 16 // 16-bit integer number of bits 42 #define HI_INT32_BITS 32 // 32-bit integer number of bits 43 #define HI_INT64_BITS 64 // The number of bits of a 64-bit integer 44 45 /* 46 * 帧缩放 47 * 多次调用vgs_resize以实现任意比例的缩放 48 * 为简化实现，约定每次缩放最大14倍，此时宽、高仅需2像素对齐 49 * 当两个方向缩放方向不同时，例如一向(如X)放大，另一向缩小倍，无需特别处理 50 * 此时某个方向或两个方向缩放比例均超标，也不需要特别处理 51 * 52 * resize frame. 53 * Call vgs_resize multiple times to achieve arbitrary scaling. 54 * In order to simplify the implementation, it is agreed that each zoom is up to 14 times, 55 * and at this time, the width and height only need to be aligned by 2 pixels. 56 * When the zoom directions are different in the two directions, for example, 57 * zooming in one direction (such as X) and zooming out in the other direction, 58 * no special processing is required. At this time, the zoom ratio in one direction or 59 * both directions exceeds the standard, and no special treatment is required. 60 */ 61 int MppFrmResize( 62 const VIDEO_FRAME_INFO_S* src, 63 VIDEO_FRAME_INFO_S* dst, 64 uint32_t dstWidth, uint32_t dstHeight); 65 66 /* 67 * 销毁帧 68 * Destory frame 69 */ 70 void MppFrmDestroy(VIDEO_FRAME_INFO_S* frm); 71 72 /* 73 * 在框架中叠加一个或多个矩形框 74 * Superimpose one or more rectangular boxes in the frame 75 */ 76 int MppFrmDrawRects(VIDEO_FRAME_INFO_S *frm, 77 const RectBox *boxes, int boxesNum, uint32_t color, int thick); 78 79 #ifdef __cplusplus 80 } 81 #endif 82 #endif 83