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ffmpeg上传视频获取第一帧用作封面，如何确定视频封面尺寸

in Technique[技术] by (71.8m points)

我们需要在富文本种上传视频，但是视频尺寸是不固定的，但是通过ffmpeg截取的时候，需要确认尺寸，改怎么设置呢？


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by (71.8m points)

ffmpeg取一帧图片怎么会需要尺寸呢？
ffmpeg -ss 00:01:01 -i video.mp4 image.jpg


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
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