#pragma once
#include <iostream>
#include <stdio.h>
#include <string.h>

#include <gst/gst.h>
#include <glib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>
#include <sys/time.h>
#include "gstnvdsmeta.h"
#include "gst-nvmessage.h"
#include "user_app.h"
#include <list>

using namespace std;

namespace VIA{
    // 基于Deepstream
    class Inference
    {
    private:
        // Deepstream
        GMainLoop *loop = NULL;
        GstElement *pipeline = NULL,*streammux = NULL, *sink = NULL, *pgie = NULL,
        *queue1, *queue2, *queue3, *queue4, *queue5, *nvvidconv = NULL,
        *nvosd = NULL, *tiler = NULL;

        GstElement *transform = NULL;

        GstBus *bus = NULL;
        guint bus_watch_id;
        GstPad *tiler_src_pad = NULL;
        guint tiler_rows, tiler_columns;
        guint pgie_batch_size;

    public:
        static std::shared_ptr<Inference> CreateNew();
        Inference();
        ~Inference();
    public:
        int32_t Init();
        void Destory();
        void StartTask();
    private:
        // static 
        static GstPadProbeReturn tiler_src_pad_buffer_probe(GstPad * pad, GstPadProbeInfo * info, gpointer u_data);
        static gboolean bus_call (GstBus * bus, GstMessage * msg, gpointer data);
        static void cb_newpad (GstElement * decodebin, GstPad * decoder_src_pad, gpointer data);
        static void decodebin_child_added (GstChildProxy * child_proxy, GObject * object,
            gchar * name, gpointer user_data);

        static GstElement* create_source_bin(guint index, gchar * uri);
    };
}