ffmpeg vf filter_complex

滤镜图(filtergraph):跟在-vf 之后的就是一个滤镜图 ... ffmpeg -i video.mp4 -vf [in]scale=640.0:480.0[pre_logo]; movie='/path/to/imag...

ffmpeg vf filter_complex

滤镜图(filtergraph):跟在-vf 之后的就是一个滤镜图 ... ffmpeg -i video.mp4 -vf [in]scale=640.0:480.0[pre_logo]; movie='/path/to/image/logo.png' ..., What follows the -vf in an ffmpeg command line is a ​filtergraph ... Here four inputs are filtered together using the -filter_complex option. In this ...

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ffmpeg vf filter_complex 相關參考資料
FFmpeg filter简介- Tocy - 博客园

通常simple filtergraph只有一个输入和输出,ffmpeg命令行中使用 -vf 、 -af ... 路径;ffmpeg命令行中使用 -lavfi 、 -filter_complex ,基本原理图如下:

https://www.cnblogs.com

FFmpeg中的滤镜(filter)知识点记录- tkp2014的专栏- CSDN博客

滤镜图(filtergraph):跟在-vf 之后的就是一个滤镜图 ... ffmpeg -i video.mp4 -vf [in]scale=640.0:480.0[pre_logo]; movie='/path/to/image/logo.png' ...

https://blog.csdn.net

FilteringGuide – FFmpeg

What follows the -vf in an ffmpeg command line is a ​filtergraph ... Here four inputs are filtered together using the -filter_complex option. In this ...

https://trac.ffmpeg.org

ffmpeg error : -vf-af-filter and -filter_complex cannot be used together ...

You can use one filtergraph to do all filtering: ffmpeg -i input.avi -i logo.png -filter_complex - "[0:v]scale=854:-2[scaled]; ...

https://superuser.com

ffmpeg error : -vf-af-filter and -filter_complex cannot be used ...

You can use one filtergraph to do all filtering: ffmpeg -i input.avi -i logo.png -filter_complex - "[0:v]scale=854:-2[scaled]; ...

https://superuser.com

FFmpeg Filters Documentation

A filtergraph has a textual representation, which is recognized by the -filter / -vf / -af and -filter_complex options in ffmpeg and -vf / -af in ffplay , and by the ...

https://ffmpeg.org

[FFmpeg-user] difference between filter_complex and vf

[FFmpeg-user] difference between filter_complex and vf ... Also, using -vf and -af separately works but like you said they expect a single input ...

https://ffmpeg.org

[FFmpeg-user] filter_complex vs vf with one filter

What's the difference between "-filter_complex" and "-vf" when only one filter is used? Specially, when the "scale" filter is used. I assumed the ...

https://ffmpeg.org

[FFmpeg-user] differences between -vf and -filter_complex

Hi ffmpeg-user, In some cases I've been using -vf and -filter_complex interchangeability but notice that some behavior is unexpectedly different.

https://ffmpeg.org