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#include <string>
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#include <opencv2/core/core.hpp>
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#include <opencv2/imgproc.hpp>
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#include <opencv2/videoio.hpp>
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#include "vp_src_node.h"
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namespace vp_nodes {
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// udp source node, receive video stream via udp(rtp) protocal.
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// example:
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// udp://127.0.0.1:6000
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class vp_udp_src_node: public vp_src_node
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{
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private:
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std::string gst_template = "udpsrc port=%d ! application/x-rtp,mdeia=video ! rtph264depay ! h264parse ! %s ! videoconvert ! appsink";
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cv::VideoCapture udp_capture;
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protected:
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// re-implemetation
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virtual void handle_run() override;
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public:
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vp_udp_src_node(std::string node_name,
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int channel_index,
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int port,
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float resize_ratio = 1.0,
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std::string gst_decoder_name = "avdec_h264",
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int skip_interval = 0);
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~vp_udp_src_node();
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virtual std::string to_string() override;
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// port to listen
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int port;
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// set avdec_h264 as the default decoder, we can use hardware decoder instead.
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std::string gst_decoder_name = "avdec_h264";
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// 0 means no skip
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int skip_interval = 0;
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};
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}
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