add push data mode cpp test case

bmf/test/push_data_into_graph/test_push_data.cpp

@@ -0,0 +1,96 @@
+/*
+#include "../../engine/c_engine/include/common.h"
+#include "../../engine/c_engine/include/graph.h"
+
+#include <bmf/sdk/bmf.h>
+#include <bmf/sdk/log.h>
+#include <fstream>
+
+#include <hmp/imgproc.h>
+// #include <iostream>
+
+USE_BMF_ENGINE_NS
+USE_BMF_SDK_NS
+
+int main() {
+    BMFLOG_SET_LEVEL(BMF_INFO);
+
+    time_t time1 = clock();
+    nlohmann::json graph_json;
+    std::string config_file = "./original_graph.json";
+    std::ifstream gs(config_file);
+    gs >> graph_json;
+    GraphConfig graph_config(graph_json);
+    std::map<int, std::shared_ptr<Module>> pre_modules;
+    std::map<int, std::shared_ptr<ModuleCallbackLayer>> callback_bindings;
+    std::shared_ptr<Graph> graph =
+        std::make_shared<Graph>(graph_config, pre_modules, callback_bindings);
+    std::cout << "init graph success" << std::endl;
+
+    graph->start();
+
+    int count = 50;
+    int pts_ = 0;
+    while(count > 0) {
+        auto frame = VideoFrame(640, 480, PixelInfo(PixelFormat::PF_YUV420P));
+        frame.set_pts(pts_);
+        pts_++;
+        auto packet = Packet(frame);
+        count--;
+        graph->add_input_stream_packet("outside_raw_video", packet);
+        std::cout << "push data into inputstream" << std::endl;
+    }
+    auto packet = Packet::generate_eof_packet();
+    graph->add_input_stream_packet("outside_raw_video", packet);
+
+    graph->close();
+    time_t time2 = clock();
+    std::cout << "time:" << time2 - time1 << std::endl;
+
+    return 0;
+}
+*/
+
+#include <builder.hpp>
+#include "nlohmann/json.hpp"
+#include <bmf/sdk/bmf.h>
+
+int main() {
+    std::string output_path = "./push_data_output.mp4";
+
+    auto graph = bmf::builder::Graph(bmf::builder::PushDataMode);
+    auto video_stream = graph.InputStream("outside_raw_video", "", "");
+    nlohmann::json encode_para = {
+        {"output_path", output_path},
+        {"video_params", {
+            {"codec", "h264"},
+            {"width", 640},
+            {"height", 480},
+            {"crf", 23},
+            {"preset", "veryfast"},
+            {"vsync", "vfr"}
+            }
+        }
+    };
+    auto video = graph.Encode(video_stream, bmf_sdk::JsonParam(encode_para));
+
+    graph.Start();
+
+    int count = 50;
+    int pts_ = 0;
+    while (count > 0) {
+        auto frame = VideoFrame(640, 480, PixelInfo(PixelFormat::PF_YUV420P));
+        frame.set_pts(pts_);
+        pts_++;
+        auto packet = Packet(frame);
+        count--;
+        graph.FillPacket(video_stream.GetName(), packet);
+        std::cout << "push data into inputstream" << std::endl;
+    }
+    auto packet = Packet::generate_eof_packet();
+    graph.FillPacket(video_stream.GetName(), packet);
+
+    graph.Close();
+
+    return 0;
+}