它的图像处理库,我应该使用它来创建一个视频幻灯片? [英] Which image processing library should I use to create a video slideshow?
问题描述
看起来既 FFmpeg的和的制片人库的处理将创建图像阵列幻灯片的电影。哪家最好?有没有更好的选择?
It looks like both FFmpeg and the MovieMaker library in Processing will create a slideshow movie from an array of images. Which is best? Is there a better option?
我需要输出的视频被上传到第三方网站,所以我想做到这一点的设备,它必须是一个真正的视频不仅仅是一个画廊幻灯片。
I need to output a video to be uploaded to a 3rd party website so I'd like to do it on device and it needs to be a real video not just a gallery slideshow.
推荐答案
FFmpeg的是一个很好的选择。我是 间隔定时拍摄实验 <做了很多次自己/ STRONG>。
FFmpeg is a great option. I've done it many times myself with time lapse photography experiments.
- 在与X264 codeC安装FFmpeg的
- 号码的所有幻灯片开始0001.jpg
- 运行FFmpeg的像下面的(这是我使用我的照片 - >视频转换)的:
- Install FFmpeg with x264 CODEC
- Number all your slides starting at 0001.jpg
- Run FFmpeg like below (this is what I use for my images-->video conversions):
FFmpeg的命令:
FFmpeg command:
ffmpeg -f image2 -i %04d.jpg -vcodec libx264 -f mp4 -vpre main -vpre normal \
-r 25 -an -threads 4 -b 3000k -mbd rd -flags +mv4+aic -trellis 2 -cmp 2 \
-subcmp 2 -g 300 -y out.mp4
您可能需要使用命令行来鼓捣,让您正在搜索所需的输出质量。此外,帧速率( -r 25
)可能是太高了你。无论是实验值较小,或以编程方式复制幻灯片。
You may need to tinker with the command line to get the desired output quality you are searching for. Also, the frame rate (-r 25
) is probably too high for you. Either experiment with small values, or duplicate your slides programmatically.
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