upload

atlas_utils/lib/atlasutil_so.py

@@ -0,0 +1,20 @@
+import threading
+import ctypes
+import os
+
+
+class _AtlasutilLib(object):
+    _instance_lock = threading.Lock()
+    lib = ctypes.CDLL(os.path.dirname(os.path.abspath(__file__)) + '/libatlasutil.so')
+
+    def __init__(self):
+        pass
+
+    def __new__(cls, *args, **kwargs):
+        if not hasattr(_AtlasutilLib, "_instance"):
+            with _AtlasutilLib._instance_lock:
+                if not hasattr(_AtlasutilLib, "_instance"):
+                    _AtlasutilLib._instance = object.__new__(cls)
+        return _AtlasutilLib._instance
+
+libatlas = _AtlasutilLib.lib

atlas_utils/lib/src/Makefile

@@ -0,0 +1,59 @@
+TOPDIR      := $(patsubst %,%,$(CURDIR))
+
+ifndef DDK_PATH
+$(error "Can not find DDK_PATH env, please set it in environment!.")
+endif
+
+LOCAL_MODULE_NAME := libatlasutil.so
+CC := aarch64-linux-gnu-g++
+
+
+LOCAL_DIR  := .
+OUT_DIR = out
+OBJ_DIR = $(OUT_DIR)/obj
+DEPS_DIR  = $(OUT_DIR)/deps
+LOCAL_LIBRARY=$(OUT_DIR)/$(LOCAL_MODULE_NAME)
+OUT_INC_DIR = $(OUT_DIR)/include
+
+INC_DIR = \
+    -I$(HOME)/Ascend/driver/ \
+	-I$(DDK_PATH)/../arm64-linux_gcc7.3.0/acllib/include/
+	
+
+CC_FLAGS := $(INC_DIR) -DENABLE_DVPP_INTERFACE -std=c++11 -fPIC -Wall -O2
+LNK_FLAGS := \
+	-L$(NPU_HOST_LIB) \
+	-L$(HOME)/Ascend/driver \
+	-lmedia_mini \
+	-lascendcl \
+	-lacl_dvpp \
+	-shared
+
+SRCS := $(patsubst $(LOCAL_DIR)/%.cpp, %.cpp, $(shell find $(LOCAL_DIR) -name "*.cpp"))
+OBJS := $(addprefix $(OBJ_DIR)/, $(patsubst %.cpp, %.o,$(SRCS)))
+
+ALL_OBJS := $(OBJS)
+
+all: do_pre_build do_build
+
+do_pre_build:
+	$(Q)echo - do [$@]
+	$(Q)mkdir -p $(OBJ_DIR)
+	$(Q)mkdir -p $(OUT_INC_DIR)
+
+do_build: $(LOCAL_LIBRARY) | do_pre_build
+	$(Q)echo - do [$@]
+
+$(LOCAL_LIBRARY): $(ALL_OBJS)
+	$(Q)echo [LD] $@
+	$(Q)$(CC) $(CC_FLAGS) -o $@ $^ -Wl,--whole-archive -Wl,--no-whole-archive -Wl,--start-group -Wl,--end-group -Wl,-rpath='/home/HwHiAiUser/HIAI_PROJECTS/ascend_lib' $(LNK_FLAGS)
+
+
+$(OBJS): $(OBJ_DIR)/%.o : %.cpp | do_pre_build
+	$(Q)echo [CC] $@
+	$(Q)mkdir -p $(dir $@)
+	$(Q)$(CC) $(CC_FLAGS) $(INC_DIR) -c -fstack-protector-all $< -o $@
+
+
+clean:
+	rm -rf $(TOPDIR)/out

atlas_utils/lib/src/atlas_utils_common.cpp

@@ -0,0 +1,209 @@
+/**
+ * ============================================================================
+ *
+ * Copyright (C) 2018, Hisilicon Technologies Co., Ltd. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1 Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *
+ *   2 Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *
+ *   3 Neither the names of the copyright holders nor the names of the
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * ============================================================================
+ */
+#include <memory>
+#include <sys/time.h>
+#include <unistd.h>
+#include <iostream>
+#include <fstream>
+#include "acl/acl.h"
+#include "acl/ops/acl_dvpp.h"
+#include "atlas_utils_common.h"
+
+using namespace std;
+
+extern "C" {
+
+#if 0
+void* CopyDataHostToDvpp(void* data, int size) {
+    void* buffer = nullptr;
+
+    auto aclRet = acldvppMalloc(&buffer, size);
+    if (aclRet != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("acl malloc dvpp data failed, dataSize=%u, ret=%d", 
+                      size, aclRet);
+        return nullptr;
+    }
+    printf("malloc dvpp memory size %d ok", size);
+    // copy input to device memory
+    aclRet = aclrtMemcpy(buffer, size, data, size, ACL_MEMCPY_HOST_TO_DEVICE);
+    if (aclRet != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("acl memcpy data to dvpp failed, size %u, error %d", size, aclRet);
+        acldvppFree(buffer);
+        return nullptr;
+    }
+    printf("copy data to dvpp ok");
+
+    return buffer;
+}
+
+void* CopyDataHostToDevice(void* data, int size) {
+    void* buffer = nullptr;
+
+    auto aclRet = aclrtMalloc(&buffer, size, ACL_MEM_MALLOC_NORMAL_ONLY);
+    if (aclRet != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("acl malloc device memory failed, dataSize=%u, ret=%d", 
+                      size, aclRet);
+        return nullptr;
+    }
+    // copy input to device memory
+    aclRet = aclrtMemcpy(buffer, size, data, size, ACL_MEMCPY_HOST_TO_DEVICE);
+    if (aclRet != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("acl memcpy data to dev failed, size %u, error %d", size, aclRet);
+        aclrtFree(buffer);
+        return nullptr;
+    }
+
+    return buffer;
+}
+
+void* CopyDataDeviceToDevice(void* data, int size) {
+    void* buffer = nullptr;
+
+    auto aclRet = aclrtMalloc(&buffer, size, ACL_MEM_MALLOC_NORMAL_ONLY);
+    if (aclRet != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("acl malloc device memory failed, dataSize=%u, ret=%d", 
+                      size, aclRet);
+        return nullptr;
+    }
+    // copy input to device memory
+    aclRet = aclrtMemcpy(buffer, size, data, size, ACL_MEMCPY_DEVICE_TO_DEVICE);
+    if (aclRet != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("acl memcpy data to dev failed, size %u, error %d", size, aclRet);
+        aclrtFree(buffer);
+        return nullptr;
+    }
+
+    return buffer;
+}
+
+void* CopyDataDeviceToHost(void* deviceData, uint32_t dataLen) {  
+    void *outHostData = nullptr;
+
+    aclError ret = aclrtMallocHost(&outHostData, dataLen);
+    if (ret != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("aclrtMallocHost failed, ret[%d]", ret);
+        return nullptr;
+    }
+
+    ret = aclrtMemcpy(outHostData, dataLen, deviceData, 
+                      dataLen, ACL_MEMCPY_DEVICE_TO_HOST);
+    if (ret != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("aclrtMemcpy failed, ret[%d]", ret);
+        aclrtFreeHost(outHostData);
+        return nullptr;
+    }
+
+    return outHostData;
+}
+
+void* CopyDataDeviceToNewBuf(void* deviceData, uint32_t dataLen) {  
+    uint8_t* outHostData = new uint8_t[dataLen];
+
+/*    aclError ret = aclrtMallocHost(&outHostData, dataLen);
+    if (ret != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("aclrtMallocHost failed, ret[%d]", ret);
+        return nullptr;
+    }
+*/
+    int ret = aclrtMemcpy(outHostData, dataLen, deviceData, 
+                      dataLen, ACL_MEMCPY_DEVICE_TO_HOST);
+    if (ret != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("aclrtMemcpy failed, ret[%d]", ret);
+        aclrtFreeHost(outHostData);
+        return nullptr;
+    }
+
+    return (void *)outHostData;
+}
+
+
+
+void SaveBinFile(const char* filename, void* data, uint32_t size) {
+    FILE *outFileFp = fopen(filename, "wb+");
+    if (outFileFp == nullptr) {
+        ASC_LOG_ERROR("Save file %s failed for open error", filename);
+        return;
+    }
+    fwrite(data, 1, size, outFileFp);
+
+    fflush(outFileFp);
+    fclose(outFileFp);
+}
+
+char* ReadBinFile(const std::string& fileName, uint32_t& fileSize)
+{
+    std::ifstream binFile(fileName, std::ifstream::binary);
+    if (binFile.is_open() == false) {
+        ASC_LOG_ERROR("open file %s failed", fileName.c_str());
+        return nullptr;
+    }
+
+    binFile.seekg(0, binFile.end);
+    uint32_t binFileBufferLen = binFile.tellg();
+    if (binFileBufferLen == 0) {
+        ASC_LOG_ERROR("binfile is empty, filename is %s", fileName.c_str());
+        binFile.close();
+        return nullptr;
+    }
+
+    binFile.seekg(0, binFile.beg);
+
+    char* binFileBufferData = new(std::nothrow) char[binFileBufferLen];
+    if (binFileBufferData == nullptr) {
+        ASC_LOG_ERROR("malloc binFileBufferData failed");
+        binFile.close();
+        return nullptr;
+    }
+    binFile.read(binFileBufferData, binFileBufferLen);
+    binFile.close();
+    fileSize = binFileBufferLen;
+    return binFileBufferData;
+}
+
+int ReadImageFile(ImageData* image, const string& filename) {
+    char* data;
+    uint32_t size = 0;
+
+    data = ReadBinFile(filename, size);
+    if (data == nullptr) {
+        ASC_LOG_ERROR("Read image file %s failed", filename.c_str());
+        return STATUS_ERROR;
+    }
+
+    image->data = SHARED_PRT_U8_BUF(data);
+    image->size = size;
+    printf("read image ok, size %d", size);
+    return STATUS_OK;
+}
+#endif
+}

atlas_utils/lib/src/atlas_utils_common.h

@@ -0,0 +1,130 @@
+/**
+ * ============================================================================
+ *
+ * Copyright (C) 2018, Hisilicon Technologies Co., Ltd. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1 Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *
+ *   2 Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *
+ *   3 Neither the names of the copyright holders nor the names of the
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * ============================================================================
+ */
+
+#ifndef _ATLAS_UTILS_COMMON_H_
+#define _ATLAS_UTILS_COMMON_H_
+#include <memory>
+#include <mutex>
+#include <unistd.h>
+#include <vector>
+
+#include "acl/acl_base.h"
+
+using namespace std;
+
+#define STATUS_ERROR   -1
+#define STATUS_OK      0
+
+#define ALIGN_UP(num, align) (((num) + (align) - 1) & ~((align) - 1))
+#define ALIGN_UP2(num) ALIGN_UP(num, 2)
+#define ALIGN_UP16(num) ALIGN_UP(num, 16)
+#define ALIGN_UP128(num) ALIGN_UP(num, 128)
+
+#define YUV420SP_SIZE(width, height) ((width) * (height) * 3 / 2)
+//#define SHARED_PRT_DVPP_BUF(buf) (shared_ptr<uint8_t>((uint8_t *)(buf), [](uint8_t* p) { acldvppFree(p); }))
+//#define SHARED_PRT_U8_BUF(buf) (shared_ptr<uint8_t>((uint8_t *)(buf), [](uint8_t* p) { delete[](p); }))
+
+
+#define ASC_LOG_ERROR(fmt, ...) \
+    do{aclAppLog(ACL_ERROR, __FUNCTION__, __FILE__, __LINE__, fmt, ##__VA_ARGS__); \
+    printf(fmt"\n", ##__VA_ARGS__);}while(0)
+
+#define ASC_LOG_INFO(fmt, ...) \
+    do{aclAppLog(ACL_INFO, __FUNCTION__, __FILE__, __LINE__, fmt, ##__VA_ARGS__); \
+    printf(fmt"\n", ##__VA_ARGS__);}while(0) 
+
+#define ASC_LOG_DEBUG(fmt, ...) \
+    do{aclAppLog(ACL_DEBUG, __FUNCTION__, __FILE__, __LINE__, fmt, ##__VA_ARGS__); \
+    printf(fmt"\n", ##__VA_ARGS__);}while(0)
+#if 0
+struct ImageData {
+    bool     isAligned = false;
+    uint32_t format = 1; //PIXEL_FORMAT_YUV_SEMIPLANAR_420;
+    uint32_t width  = 0;      
+    uint32_t height = 0;  
+    uint32_t alignWidth = 0;    
+    uint32_t alignHeight = 0; 
+    uint32_t size = 0;       
+    std::shared_ptr<uint8_t> data;   
+};
+
+struct FrameData {
+    bool isFinished = false;
+    uint32_t width = 0;
+    uint32_t height = 0;
+    uint32_t frameId = 0;
+    ImageData image;
+};
+
+struct Resolution {
+    uint32_t width;
+    uint32_t height;
+};
+
+struct BoxArea {
+    uint32_t ltx;
+    uint32_t lty;
+    uint32_t width;
+    uint32_t height;
+};
+
+
+struct DataBuffer {
+    uint32_t size;
+    std::shared_ptr<void> data;
+};
+
+struct DetectionData {
+    ImageData image;
+    std::vector<DataBuffer> output;
+};
+
+struct AtlasMessage {
+    int dest;
+    int msgId;
+    std::shared_ptr<void> data;
+};
+
+extern "C" {
+void* CopyDataDeviceToHost(void* deviceData, uint32_t dataLen);
+void* CopyDataHostToDvpp(void* data, int size);
+void* CopyDataHostToDevice(void* data, int size);
+void* CopyDataDeviceToDevice(void* data, int size);
+void* CopyDataDeviceToNewBuf(void* deviceData, uint32_t dataLen);
+
+void SaveBinFile(const char* filename, void* data, uint32_t size);
+int ReadImageFile(ImageData* image, const string& filename);
+
+}
+#endif
+#endif /* HIAI_APP_IMAGE_POOL_H_ */

atlas_utils/lib/src/camera.cpp

@@ -0,0 +1,164 @@
+/**
+ * ============================================================================
+ *
+ * Copyright (C) 2018, Hisilicon Technologies Co., Ltd. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1 Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *
+ *   2 Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *
+ *   3 Neither the names of the copyright holders nor the names of the
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * ============================================================================
+ */
+#include <stdio.h>
+#include <stdarg.h>
+#include <time.h>
+#include <memory>
+#include <sys/time.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include "acl/acl.h"
+#include "acl/ops/acl_dvpp.h"
+#include "atlas_utils_common.h"
+#include "camera.h"
+
+using namespace std;
+
+extern "C" {
+#include "peripheral_api.h"
+#include "camera.h"
+
+CameraManager g_CameraMgr;
+
+int CameraInit(int id, int fps, int width, int height) {   
+	if (!g_CameraMgr.hwInited) {
+		MediaLibInit();
+		g_CameraMgr.hwInited = 1;
+	}	
+
+    Camera& cap = CAMERA(id);
+	cap.frameSize = YUV420SP_SIZE(width, height);
+    cap.id = id;
+	cap.fps = fps;
+	cap.width = width;
+	cap.height = height;
+	cap.inited = true;
+
+	return STATUS_OK;
+}
+
+int ConfigCamera(int id, int fps, int width, int height) {
+	int ret = SetCameraProperty(id, CAMERA_PROP_FPS, &fps);
+	if (ret == LIBMEDIA_STATUS_FAILED) {
+		ASC_LOG_ERROR("Set camera fps failed");
+		return STATUS_ERROR;
+	}
+
+	CameraResolution resolution;
+	resolution.width = width;
+	resolution.height = height;
+	ret = SetCameraProperty(id, CAMERA_PROP_RESOLUTION,	&resolution);
+	if (ret == LIBMEDIA_STATUS_FAILED) {
+		ASC_LOG_ERROR("Set camera resolution failed");
+		return STATUS_ERROR;
+	}
+
+	CameraCapMode mode = CAMERA_CAP_ACTIVE;
+	ret = SetCameraProperty(id, CAMERA_PROP_CAP_MODE, &mode);
+	if (ret == LIBMEDIA_STATUS_FAILED) {
+		ASC_LOG_ERROR("Set camera mode:%d failed", mode);
+		return STATUS_ERROR;
+	}
+
+	return STATUS_OK;
+}
+
+int OpenCameraEx(int id, int fps, int width, int height) {
+    if ((id < 0) || (id >= CAMERA_NUM)) {
+		ASC_LOG_ERROR("Open camera failed for invalid id %d", id);
+		return STATUS_ERROR;
+	}
+
+	if (!CAMERA(id).inited) {
+		CameraInit(id, fps, width, height);
+	}
+
+	CameraStatus status = QueryCameraStatus(id);
+	if (status == CAMERA_STATUS_CLOSED){
+		// Open Camera
+		if (LIBMEDIA_STATUS_FAILED == OpenCamera(id)) {
+			ASC_LOG_ERROR("Camera%d closed, and open failed.", id);
+			return STATUS_ERROR;
+		}
+	} else if (status != CAMERA_STATUS_OPEN) {
+		ASC_LOG_ERROR("Invalid camera%d status %d", id, status);
+		return STATUS_ERROR;
+	}
+
+	//Set camera property
+	if (STATUS_OK != ConfigCamera(id, fps, width, height)) {
+		CloseCamera(id);
+		ASC_LOG_ERROR("Set camera%d property failed", id);
+		return STATUS_ERROR;
+	}
+
+    ASC_LOG_INFO("Open camera %d success", id);
+
+	return STATUS_OK;
+}
+
+int ReadCameraFrame(int id, CameraOutput& frame) {
+	int size = CAMERA(id).frameSize;
+	void* data = nullptr;
+	auto aclRet = acldvppMalloc(&data, size);
+    if (aclRet != ACL_ERROR_NONE) {
+        ASC_LOG_ERROR("acl malloc dvpp data failed, dataSize=%u, ret=%d", 
+                      size, aclRet);
+        return STATUS_ERROR;
+    }
+
+	int ret = ReadFrameFromCamera(id, (void*)data, (int *)&size);
+	if ((ret == LIBMEDIA_STATUS_FAILED) || 
+	    (size != CAMERA(id).frameSize)) {
+		acldvppFree(data);
+		ASC_LOG_ERROR("Get image from camera %d failed, size %d", id, size);
+		return STATUS_ERROR;
+	}
+	frame.size = size;
+	frame.data = (uint8_t*)data;
+    ASC_LOG_INFO("cpp image ptr 0x%x", data);
+	return STATUS_OK;	
+}
+
+int CloseCameraEx(int cameraId) {
+	if (LIBMEDIA_STATUS_FAILED == CloseCamera(cameraId)) {
+		ASC_LOG_ERROR("Close camera %d failed", cameraId);
+		return STATUS_ERROR;
+	}
+
+	return STATUS_OK;
+}
+
+
+}

atlas_utils/lib/src/camera.h

@@ -0,0 +1,63 @@
+/**
+ * ============================================================================
+ *
+ * Copyright (C) 2018, Hisilicon Technologies Co., Ltd. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1 Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *
+ *   2 Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *
+ *   3 Neither the names of the copyright holders nor the names of the
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * ============================================================================
+ */
+#ifndef _CAMERA_H
+#define _CAMERA_H
+
+#define CAMERA_NUM     (2)
+
+#define CAMERA(i) (g_CameraMgr.cap[i])
+
+struct CameraOutput {
+	int size;
+	uint8_t* data;
+};
+
+struct Camera {
+	bool inited = false;
+	int id = 255;
+	int fps = 0;
+	int width = 0;
+	int height = 0;
+	int frameSize = 0;
+
+};
+
+struct CameraManager {
+	bool hwInited = 0;
+	Camera cap[CAMERA_NUM];
+};
+
+
+
+
+#endif