You can futher pipe it to sed ... | sed 's/\sfps//' to keep only the 25, and store it into a variable, so you can use that variable to convert the videos e.g. ffmpeg -r $originalFps.
grep -o will extract the match, instead of the whole line containing the match.
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要获取原始帧速率：
示例输出：
您可以进一步将其通过管道传输到 sed
... | sed 's/\sfps//'仅保留25，并将其存储到变量中，以便您可以使用该变量来转换视频，例如ffmpeg -r $originalFps。grep -o 将提取匹配项，而不是包含匹配项的整行。
[0-9]\{1,3\}将匹配一到三位数字\sfps将匹配后跟“fps”的空格To get the original frame rate:
Example Output:
You can futher pipe it to sed
... | sed 's/\sfps//'to keep only the25, and store it into a variable, so you can use that variable to convert the videos e.g.ffmpeg -r $originalFps.grep -owill extract the match, instead of the whole line containing the match.[0-9]\{1,3\}will match one to three digits\sfpswill match a white space followed by 'fps'