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bugfix

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yumoqing 2025-09-29 17:38:35 +08:00
parent b61af304a9
commit b216d0ad1f
1 changed files with 8 additions and 2 deletions
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10
bricks/recorder.js
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@ -132,13 +132,19 @@ bricks.SysVideoRecorder = class extends bricks.MediaRecorder {
this.preview.add_widget(this.imgw); this.preview.add_widget(this.imgw);
this.task = schedule_once(this.show_picture.bind(this), this.task_period); this.task = schedule_once(this.show_picture.bind(this), this.task_period);
} }
get_camera_size(){
const track = stream.getVideoTracks()[0];
const settings = track.getSettings();
return [settings.width, settings.height]
}
show_picture(){ show_picture(){
if (this.task_period == 0){ if (this.task_period == 0){
return; return;
} }
var canvas = document.createElement('canvas'); var canvas = document.createElement('canvas');
canvas.height = this.video.videoHeight; var size = this.get_camera_size();
canvas.width = this.video.videoWidth; canvas.height = size[1];
canvas.width = size[0];
const context = canvas.getContext('2d'); const context = canvas.getContext('2d');
context.drawImage(this.video, 0, 0); context.drawImage(this.video, 0, 0);
this.dataurl = canvas.toDataURL('image/jpeg', 0.95); this.dataurl = canvas.toDataURL('image/jpeg', 0.95);