{
"output_format": "mp4",
"width": 1280,
"height": 720,
"duration": "6s",
"elements": [
{
"type": "text",
"text": "第一段文字",
"font_family": "Arial",
"font_size": "48px",
"fill_color": "#ffffff",
"x": "50%",
"y": "40%",
"x_alignment": "50%",
"y_alignment": "50%",
"time": "0s",
"duration": "2s"
},
{
"type": "text",
"text": "第二段文字",
"font_family": "Arial",
"font_size": "48px",
"fill_color": "#ffff00",
"x": "50%",
"y": "60%",
"x_alignment": "50%",
"y_alignment": "50%",
"time": "2s",
"duration": "2s"
},
{
"type": "text",
"text": "第三段文字",
"font_family": "Arial",
"font_size": "48px",
"fill_color": "#ff6600",
"x": "50%",
"y": "50%",
"x_alignment": "50%",
"y_alignment": "50%",
"time": "4s",
"duration": "2s"
}
]
}