[gocv][golang-opencv]示例教程(1-12)合并图像帧导出视频

package main

import (
 "gocv.io/x/gocv"
 "log"
)

func main() {
 capture, err := gocv.VideoCaptureDevice(0)
 if err != nil {
  log.Panic("Can not find capture source")
  return
 }
 defer capture.Close()

 frameWidth := int(capture.Get(gocv.VideoCaptureFrameWidth))
 frameHeight := int(capture.Get(gocv.VideoCaptureFrameHeight))

 log.Println("Frame width:", frameWidth)
 log.Println("Frame height:", frameHeight)

 videoWriter, err := gocv.VideoWriterFile("./captured_video.avi", "X264", 25, frameWidth, frameHeight, true)
 if err != nil {
  log.Panic("Can not open video writer")
  return
 }
 defer videoWriter.Close()

 window := gocv.NewWindow("Frame")
 defer window.Close()

 mat := gocv.NewMat()

 for {
  capture.Read(&mat)

  if mat.Empty() {
   log.Fatal("Can not get frame")
   break
  }

  err = videoWriter.Write(mat)
  if err != nil {
   log.Panic("Can not write frame")
   break
  }

  window.IMShow(mat)

  key := window.WaitKey(1)
  if key == 27 {
   log.Println("Pressed ESC")
   break
  }
 }
}

Execute Result