matlab gui按钮打开视频代码
时间: 2023-06-18 21:02:44 浏览: 302
以下是一个简单的 MATLAB GUI 界面,它包含一个按钮,点击按钮后会打开一个预先录制的视频:
```matlab
function mygui
% Create the GUI figure and components
fig = uifigure;
btn = uibutton(fig,'push', 'Position', [100 100 100 22], 'Text', 'Open Video');
% Define the callback function for the button
btn.ButtonPushedFcn = @(~,~)open_video();
% Define the function to open the video
function open_video()
% Specify the video file name and path
video_file = 'my_video.mp4';
video_path = 'C:\Users\Me\Videos\';
full_path = strcat(video_path, video_file);
% Create a VideoReader object
vid = VideoReader(full_path);
% Create a movie player object
vidPlayer = vision.VideoPlayer;
% Play the video
while hasFrame(vid)
frame = readFrame(vid);
step(vidPlayer, frame);
end
end
end
```
在这个例子中,我们使用 `uibutton` 函数创建一个按钮,然后将其回调函数设置为 `open_video` 函数。在 `open_video` 函数中,我们指定了要打开的视频文件的名称和路径,并使用 `VideoReader` 对象创建一个视频读取器。然后,我们创建一个 `vision.VideoPlayer` 对象,该对象可用于播放视频,并使用 `hasFrame` 和 `readFrame` 函数从视频中读取帧并将其传递给 `vidPlayer` 对象。
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