图片展示 网站,有货源怎么做电商,wordpress仪表盘地址,软件外包官网一.RV1126OPENCV对视频流进行视频膨胀操作的大体流程图 思路#xff1a;初始化VI与VENC模块#xff0c;之后开启两个线程#xff0c;一个线程从VI模块获取视频流数据#xff0c;用Opencv的Mat将其转成Mat矩阵之后进行用dilate膨胀#xff0c;将膨胀之后的视频数据用send函…一.RV1126OPENCV对视频流进行视频膨胀操作的大体流程图 思路初始化VI与VENC模块之后开启两个线程一个线程从VI模块获取视频流数据用Opencv的Mat将其转成Mat矩阵之后进行用dilate膨胀将膨胀之后的视频数据用send函数发送到venc中。另一个线程从venc中获取数据之后进行保存处理。
#include assert.h
#include fcntl.h
#include getopt.h
#include opencv2/imgproc.hpp
#include pthread.h
#include signal.h
#include stdbool.h
#include stdio.h
#include stdlib.h
#include time.h
#include unistd.h// #include common/sample_common.h
#include rkmedia_api.h#include opencv2/core.hpp
// #include opencv2/imgoroc.hpp
#include opencv2/highgui.hpp
#include opencv2/opencv.hppusing namespace cv;
using namespace std;#define CAMERA_PATH rkispp_scale0
#define CAMERA_ID 0
#define CAMERA_CHN 0
#define VENC_CHN 0
#define WIDTH 1920
#define HEIGHT 1080void *opencv_vi_dliate_thread(void *args)
{pthread_detach(pthread_self());MEDIA_BUFFER mb NULL;while (1){mb RK_MPI_SYS_GetMediaBuffer(RK_ID_VI, CAMERA_CHN, -1);//获取VI数据if (!mb){printf(Get Vi stream break...\n);break;}Mat rv1126_vi_mat Mat(HEIGHT, WIDTH, CV_8UC1, RK_MPI_MB_GetPtr(mb)); //把VI数据转换成OPENCV的Mat矩阵Mat rv1126_vi_structure getStructuringElement(MORPH_RECT, Size(15, 15));//获取内核内核的形状是矩形长度大小是15 * 15dilate(rv1126_vi_mat, rv1126_vi_mat, rv1126_vi_structure);//对Mat矩阵进行dilate膨胀RK_MPI_SYS_SendMediaBuffer(RK_ID_VENC, VENC_CHN, mb);//把膨胀后的数据传输到VENC编码器RK_MPI_MB_ReleaseBuffer(mb);//释放资源}return NULL;
}void *get_venc_stream_thread(void * args)
{pthread_detach(pthread_self());MEDIA_BUFFER mb NULL;FILE *opencv_dliate_file fopen(test_opencv_dliate.h264, w);while (1){mb RK_MPI_SYS_GetMediaBuffer(RK_ID_VENC, VENC_CHN, -1);if (!mb){printf(Get Venc stream break...\n);break;}printf(Get Dlite_Venc Stream Success...\n);fwrite(RK_MPI_MB_GetPtr(mb), RK_MPI_MB_GetSize(mb), 1, opencv_dliate_file);RK_MPI_MB_ReleaseBuffer(mb);}return NULL;
}int main()
{int ret;VI_CHN_ATTR_S vi_chn_attr;vi_chn_attr.pcVideoNode CAMERA_PATH; // Pathvi_chn_attr.u32Width 1920; // Widthvi_chn_attr.u32Height 1080; // Heightvi_chn_attr.enPixFmt IMAGE_TYPE_NV12; // ImageTypevi_chn_attr.enBufType VI_CHN_BUF_TYPE_MMAP; // BufTypevi_chn_attr.u32BufCnt 3; // Cntvi_chn_attr.enWorkMode VI_WORK_MODE_NORMAL; // Moderet RK_MPI_VI_SetChnAttr(CAMERA_ID, CAMERA_CHN, vi_chn_attr);if (ret){printf(Vi Set Attr Failed.....\n);return 0;}else{printf(Vi Set Attr Success.....\n);}ret RK_MPI_VI_EnableChn(CAMERA_ID, CAMERA_CHN);if (ret){printf(Vi Enable Attr Failed.....\n);return 0;}else{printf(Vi Enable Attr Success.....\n);}VENC_CHN_ATTR_S venc_chn_attr;memset(venc_chn_attr, 0, sizeof(VENC_CHN_ATTR_S));venc_chn_attr.stVencAttr.u32PicWidth 1920;venc_chn_attr.stVencAttr.u32PicHeight 1080;venc_chn_attr.stVencAttr.u32VirWidth 1920;venc_chn_attr.stVencAttr.u32VirHeight 1080;venc_chn_attr.stVencAttr.imageType IMAGE_TYPE_NV12;venc_chn_attr.stVencAttr.enType RK_CODEC_TYPE_H264;venc_chn_attr.stVencAttr.u32Profile 66;venc_chn_attr.stRcAttr.enRcMode VENC_RC_MODE_H264CBR;venc_chn_attr.stRcAttr.stH264Cbr.u32Gop 25;venc_chn_attr.stRcAttr.stH264Cbr.u32BitRate 1920 * 1080 * 3;venc_chn_attr.stRcAttr.stH264Cbr.fr32DstFrameRateDen 1;venc_chn_attr.stRcAttr.stH264Cbr.fr32DstFrameRateNum 25;venc_chn_attr.stRcAttr.stH264Cbr.u32SrcFrameRateDen 1;venc_chn_attr.stRcAttr.stH264Cbr.u32SrcFrameRateNum 25;ret RK_MPI_VENC_CreateChn(VENC_CHN, venc_chn_attr);if (ret){printf(ERROR: Create venc failed!\n);exit(0);}ret RK_MPI_VI_StartStream(CAMERA_ID, CAMERA_CHN);if (ret){printf(start vi stream failed.....\n);}else{printf(start vi stream success.....\n);}pthread_t pid;pthread_create(pid, NULL, opencv_vi_dliate_thread, NULL);//膨胀处理线程pthread_create(pid, NULL, get_venc_stream_thread, NULL);//获取VENC线程while (1){sleep(2);}RK_MPI_VENC_DestroyChn(VENC_CHN);RK_MPI_VI_DisableChn(CAMERA_ID, CAMERA_CHN);return 0;
}二.RV1126OPENCV对视频流进行视频腐蚀操作的大体流程图 思路初始化VI与VENC模块之后开启两个线程一个线程从VI模块获取视频流数据用Opencv的Mat将其转成Mat矩阵之后进行用dilate膨胀将膨胀之后的视频数据用send函数发送到venc中。另一个线程从venc中获取数据之后进行保存处理。
#include assert.h
#include fcntl.h
#include getopt.h
#include opencv2/imgproc.hpp
#include pthread.h
#include signal.h
#include stdbool.h
#include stdio.h
#include stdlib.h
#include time.h
#include unistd.h// #include common/sample_common.h
#include rkmedia_api.h#include opencv2/core.hpp
// #include opencv2/imgoroc.hpp
#include opencv2/highgui.hpp
#include opencv2/opencv.hppusing namespace cv;
using namespace std;#define CAMERA_PATH rkispp_scale0
#define CAMERA_ID 0
#define CAMERA_CHN 0
#define VENC_CHN 0
#define WIDTH 1920
#define HEIGHT 1080void *opencv_vi_dliate_thread(void *args)
{pthread_detach(pthread_self());MEDIA_BUFFER mb NULL;while (1){mb RK_MPI_SYS_GetMediaBuffer(RK_ID_VI, CAMERA_CHN, -1);//获取VI数据if (!mb){printf(Get Vi stream break...\n);break;}Mat rv1126_vi_mat Mat(HEIGHT, WIDTH, CV_8UC1, RK_MPI_MB_GetPtr(mb)); //把VI数据转换成OPENCV的Mat矩阵Mat rv1126_vi_structure getStructuringElement(MORPH_RECT, Size(15, 15));//获取内核内核的形状是矩形长度大小是15 * 15dilate(rv1126_vi_mat, rv1126_vi_mat, rv1126_vi_structure);//对Mat矩阵进行dilate膨胀RK_MPI_SYS_SendMediaBuffer(RK_ID_VENC, VENC_CHN, mb);//把膨胀后的数据传输到VENC编码器RK_MPI_MB_ReleaseBuffer(mb);//释放资源}return NULL;
}void *get_venc_stream_thread(void * args)
{pthread_detach(pthread_self());MEDIA_BUFFER mb NULL;FILE *opencv_dliate_file fopen(test_opencv_dliate.h264, w);while (1){mb RK_MPI_SYS_GetMediaBuffer(RK_ID_VENC, VENC_CHN, -1);if (!mb){printf(Get Venc stream break...\n);break;}printf(Get Dlite_Venc Stream Success...\n);fwrite(RK_MPI_MB_GetPtr(mb), RK_MPI_MB_GetSize(mb), 1, opencv_dliate_file);RK_MPI_MB_ReleaseBuffer(mb);}return NULL;
}int main()
{int ret;VI_CHN_ATTR_S vi_chn_attr;vi_chn_attr.pcVideoNode CAMERA_PATH; // Pathvi_chn_attr.u32Width 1920; // Widthvi_chn_attr.u32Height 1080; // Heightvi_chn_attr.enPixFmt IMAGE_TYPE_NV12; // ImageTypevi_chn_attr.enBufType VI_CHN_BUF_TYPE_MMAP; // BufTypevi_chn_attr.u32BufCnt 3; // Cntvi_chn_attr.enWorkMode VI_WORK_MODE_NORMAL; // Moderet RK_MPI_VI_SetChnAttr(CAMERA_ID, CAMERA_CHN, vi_chn_attr);if (ret){printf(Vi Set Attr Failed.....\n);return 0;}else{printf(Vi Set Attr Success.....\n);}ret RK_MPI_VI_EnableChn(CAMERA_ID, CAMERA_CHN);if (ret){printf(Vi Enable Attr Failed.....\n);return 0;}else{printf(Vi Enable Attr Success.....\n);}VENC_CHN_ATTR_S venc_chn_attr;memset(venc_chn_attr, 0, sizeof(VENC_CHN_ATTR_S));venc_chn_attr.stVencAttr.u32PicWidth 1920;venc_chn_attr.stVencAttr.u32PicHeight 1080;venc_chn_attr.stVencAttr.u32VirWidth 1920;venc_chn_attr.stVencAttr.u32VirHeight 1080;venc_chn_attr.stVencAttr.imageType IMAGE_TYPE_NV12;venc_chn_attr.stVencAttr.enType RK_CODEC_TYPE_H264;venc_chn_attr.stVencAttr.u32Profile 66;venc_chn_attr.stRcAttr.enRcMode VENC_RC_MODE_H264CBR;venc_chn_attr.stRcAttr.stH264Cbr.u32Gop 25;venc_chn_attr.stRcAttr.stH264Cbr.u32BitRate 1920 * 1080 * 3;venc_chn_attr.stRcAttr.stH264Cbr.fr32DstFrameRateDen 1;venc_chn_attr.stRcAttr.stH264Cbr.fr32DstFrameRateNum 25;venc_chn_attr.stRcAttr.stH264Cbr.u32SrcFrameRateDen 1;venc_chn_attr.stRcAttr.stH264Cbr.u32SrcFrameRateNum 25;ret RK_MPI_VENC_CreateChn(VENC_CHN, venc_chn_attr);if (ret){printf(ERROR: Create venc failed!\n);exit(0);}ret RK_MPI_VI_StartStream(CAMERA_ID, CAMERA_CHN);if (ret){printf(start vi stream failed.....\n);}else{printf(start vi stream success.....\n);}pthread_t pid;pthread_create(pid, NULL, opencv_vi_dliate_thread, NULL);//膨胀处理线程pthread_create(pid, NULL, get_venc_stream_thread, NULL);//获取VENC线程while (1){sleep(2);}RK_MPI_VENC_DestroyChn(VENC_CHN);RK_MPI_VI_DisableChn(CAMERA_ID, CAMERA_CHN);return 0;
}
