50 lines
2.3 KiB
C++
Executable File
50 lines
2.3 KiB
C++
Executable File
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#include "vp_screen_des_node.h"
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#include "../utils/vp_utils.h"
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namespace vp_nodes {
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vp_screen_des_node::vp_screen_des_node(std::string node_name,
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int channel_index,
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bool osd,
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vp_objects::vp_size display_w_h):
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vp_des_node(node_name, channel_index),
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osd(osd),
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display_w_h(display_w_h) {
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this->gst_template = vp_utils::string_format(this->gst_template, node_name.c_str());
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VP_INFO(vp_utils::string_format("[%s] [%s]", node_name.c_str(), gst_template.c_str()));
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this->initialized();
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}
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vp_screen_des_node::~vp_screen_des_node() {
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deinitialized();
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}
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// re-implementation, return nullptr.
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std::shared_ptr<vp_objects::vp_meta>
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vp_screen_des_node::handle_frame_meta(std::shared_ptr<vp_objects::vp_frame_meta> meta) {
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VP_DEBUG(vp_utils::string_format("[%s] received frame meta, channel_index=>%d, frame_index=>%d", node_name.c_str(), meta->channel_index, meta->frame_index));
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cv::Mat resize_frame;
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if (this->display_w_h.width != 0 && this->display_w_h.height != 0) {
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cv::resize((osd && !meta->osd_frame.empty()) ? meta->osd_frame : meta->frame, resize_frame, cv::Size(display_w_h.width, display_w_h.height));
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}
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else {
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resize_frame = (osd && !meta->osd_frame.empty()) ? meta->osd_frame : meta->frame;
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}
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if (!screen_writer.isOpened()) {
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assert(screen_writer.open(this->gst_template, cv::CAP_GSTREAMER, 0, meta->fps, {resize_frame.cols, resize_frame.rows}));
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}
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screen_writer.write(resize_frame);
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// for general works defined in base class
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return vp_des_node::handle_frame_meta(meta);
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}
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// re-implementation, return nullptr.
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std::shared_ptr<vp_objects::vp_meta>
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vp_screen_des_node::handle_control_meta(std::shared_ptr<vp_objects::vp_control_meta> meta) {
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// for general works defined in base class
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return vp_des_node::handle_control_meta(meta);
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}
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} |