first commit

samples/paddle_infer_sample.cpp

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+#include "../nodes/vp_file_src_node.h"
+#include "../nodes/infers/vp_ppocr_text_detector_node.h"
+#include "../nodes/osd/vp_text_osd_node.h"
+#include "../nodes/vp_screen_des_node.h"
+#include "../nodes/vp_rtmp_des_node.h"
+#include "../utils/analysis_board/vp_analysis_board.h"
+#include "../nodes/vp_file_des_node.h"
+
+/*
+* ## paddle infer sample ##
+* ocr based on paddle (install paddle_inference first!)
+* 1 video input and 2 outputs (screen, rtmp)
+*/
+
+int main() {
+    VP_SET_LOG_LEVEL(vp_utils::vp_log_level::INFO);
+    VP_LOGGER_INIT();
+
+    // create nodes
+    auto file_src_0 = std::make_shared<vp_nodes::vp_file_src_node>("file_src_0", 0, "./vp_data/test_video/ocr.mp4", 0.4);
+    auto ppocr_text_detector = std::make_shared<vp_nodes::vp_ppocr_text_detector_node>("ppocr_text_detector", "./vp_data/models/text/ppocr/ch_PP-OCRv3_det_infer","./vp_data/models/text/ppocr/ch_ppocr_mobile_v2.0_cls_infer","./vp_data/models/text/ppocr/ch_PP-OCRv3_rec_infer","./vp_data/models/text/ppocr/ppocr_keys_v1.txt");
+    auto osd_0 = std::make_shared<vp_nodes::vp_text_osd_node>("osd_0", "./vp_data/font/NotoSansCJKsc-Medium.otf");
+    auto screen_des_0 = std::make_shared<vp_nodes::vp_screen_des_node>("screen_des_0", 0, true);
+    auto rtmp_des_0 = std::make_shared<vp_nodes::vp_rtmp_des_node>("rtmp_des_0", 0, "rtmp://192.168.77.60/live/10000");
+
+    // construct pipeline
+    ppocr_text_detector->attach_to({file_src_0});
+    osd_0->attach_to({ppocr_text_detector});
+
+    // split into 2 sub branches automatically
+    screen_des_0->attach_to({osd_0});
+    rtmp_des_0->attach_to({osd_0});
+
+    // start pipeline
+    file_src_0->start();
+
+    // visualize pipeline for debug
+    vp_utils::vp_analysis_board board({file_src_0});
+    board.display();
+}