ffmpeg concat错误无法找到合适的输出格式 [英] ffmpeg concat error unable to find a suitable output format

问题描述

我正在尝试将一个外部视频批量合并到多个视频中.我只是使用以下命令发布它: ffmpeg -i test.mp4 -i hello.mp4 -filter complex"[[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat = n = 2:v = 1:a = 1 [v] [a]"-map"[v]" -map"[a]" output_video.mp4

I'm trying to batch concat a outro video to multiple videos. I am just tetsing it using the following command: ffmpeg -i test.mp4 -i hello.mp4 -filter comp lex "[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat=n=2:v=1:a=1 [v] [a]" -map "[v]" -map "[a]" outpu t_video.mp4

但是我遇到以下错误:

However I get the following Error:

[NULL @ 04fc2c00]无法为'[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat =找到合适的输出格式n = 2:v = 1:a = 1 [v] [a]'[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat = n = 2:v = 1:a = 1 [v] [a]:无效的参数

推荐答案

1. 将 -filter complex 更改为 -filter_complex
2. 用普通的双引号(")替换智能/花式"引号.

1. Change -filter complex to -filter_complex
2. Replace the "smart / fancy" quotes with normal double quotes (").

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