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ffmpeg mac 批量脚本_使用批处理脚本(BAT)调用FFMPEG批量编码视频

發(fā)布時間:2023/12/9 编程问答 28 豆豆
生活随笔 收集整理的這篇文章主要介紹了 ffmpeg mac 批量脚本_使用批处理脚本(BAT)调用FFMPEG批量编码视频 小編覺得挺不錯的,現(xiàn)在分享給大家,幫大家做個參考.

使用批處理腳本(BAT)編碼視頻非常方便,尤其當(dāng)視頻序列非常多的時候,更是省了不少簡單重復(fù)性勞動。

只要學(xué)會批處理里面幾個基本的命令就行了,感覺和c/c++差不多。

set:設(shè)置變量(注意:變量一般情況下是字符串,而不是整形或者其他類型)

%變量名%:可以取到變量的值

傳上來一個做實驗的批處理腳本做示范(其中調(diào)用了ffmpeg和x264):

@echo?off

@rem?使用此腳本生成實驗序列

@rem?設(shè)置序列名稱

set?xuliename=src08

@rem?幀率分辨率比特率參數(shù)

set?resolution1=1920x1080

set?resolution2=1280x720

set?resolution3=848x480

set?resolution4=640x360

set?resolution5=480x272

set?framerate1=25

set?framerate2=20

set?framerate3=15

set?framerate4=12.5

set?framerate5=10

set?framerate6=5

set?bitrate1=254

set?bitrate2=508

set?bitrate3=763

set?bitrate4=1017

set?bitrate5=1526

set?bitrate6=2035

set?bitrate7=2544

@rem?生成特定分辨率,然后再進行上變換

ffmpeg?-s?%resolution1%?-i?%xuliename%_%resolution1%.yuv?-s?%resolution2%?%xuliename%_%resolution2%.yuv

ffmpeg?-s?%resolution1%?-i?%xuliename%_%resolution1%.yuv?-s?%resolution3%?%xuliename%_%resolution3%.yuv

ffmpeg?-s?%resolution1%?-i?%xuliename%_%resolution1%.yuv?-s?%resolution4%?%xuliename%_%resolution4%.yuv

ffmpeg?-s?%resolution1%?-i?%xuliename%_%resolution1%.yuv?-s?%resolution5%?%xuliename%_%resolution5%.yuv

@rem?=======================

ffmpeg?-s?%resolution2%?-i?%xuliename%_%resolution2%.yuv?-s?%resolution1%?-vcodec?rawvideo?%xuliename%_reHD_%resolution2%.avi

ffmpeg?-s?%resolution3%?-i?%xuliename%_%resolution3%.yuv?-s?%resolution1%?-vcodec?rawvideo?%xuliename%_reHD_%resolution3%.avi

ffmpeg?-s?%resolution4%?-i?%xuliename%_%resolution4%.yuv?-s?%resolution1%?-vcodec?rawvideo?%xuliename%_reHD_%resolution4%.avi

ffmpeg?-s?%resolution5%?-i?%xuliename%_%resolution5%.yuv?-s?%resolution1%?-vcodec?rawvideo?%xuliename%_reHD_%resolution5%.avi

@rem?原始分辨率?=======================

ffmpeg?-s?%resolution1%?-i?%xuliename%_%resolution1%.yuv?-s?%resolution1%?-vcodec?rawvideo?%xuliename%_reHD_ori.avi

@rem?生成特定幀率

ffmpeg?-s?%resolution3%?-i?%xuliename%_%resolution3%.yuv?-r?%framerate2%?-vcodec?rawvideo?%xuliename%_fps_%framerate2%.avi

ffmpeg?-s?%resolution3%?-i?%xuliename%_%resolution3%.yuv?-r?%framerate3%?-vcodec?rawvideo?%xuliename%_fps_%framerate3%.avi

ffmpeg?-s?%resolution3%?-i?%xuliename%_%resolution3%.yuv?-r?%framerate4%?-vcodec?rawvideo?%xuliename%_fps_%framerate4%.avi

ffmpeg?-s?%resolution3%?-i?%xuliename%_%resolution3%.yuv?-r?%framerate5%?-vcodec?rawvideo?%xuliename%_fps_%framerate5%.avi

ffmpeg?-s?%resolution3%?-i?%xuliename%_%resolution3%.yuv?-r?%framerate6%?-vcodec?rawvideo?%xuliename%_fps_%framerate6%.avi

@rem?原始幀率?=======================

ffmpeg?-s?%resolution3%?-i?%xuliename%_%resolution3%.yuv?-r?%framerate2%?-vcodec?rawvideo?%xuliename%_fps_ori.avi

@rem?生成特定比特率

x264?--bitrate?%bitrate1%?-o?%xuliename%_bit_%bitrate1%.flv?%xuliename%_%resolution3%.yuv

x264?--bitrate?%bitrate2%?-o?%xuliename%_bit_%bitrate2%.flv?%xuliename%_%resolution3%.yuv

x264?--bitrate?%bitrate3%?-o?%xuliename%_bit_%bitrate3%.flv?%xuliename%_%resolution3%.yuv

x264?--bitrate?%bitrate4%?-o?%xuliename%_bit_%bitrate4%.flv?%xuliename%_%resolution3%.yuv

x264?--bitrate?%bitrate5%?-o?%xuliename%_bit_%bitrate5%.flv?%xuliename%_%resolution3%.yuv

x264?--bitrate?%bitrate6%?-o?%xuliename%_bit_%bitrate6%.flv?%xuliename%_%resolution3%.yuv

x264?--bitrate?%bitrate7%?-o?%xuliename%_bit_%bitrate7%.flv?%xuliename%_%resolution3%.yuv

@rem

ffmpeg?-i?%xuliename%_bit_%bitrate1%.flv?-vcodec?rawvideo?%xuliename%_bit_%bitrate1%.avi

ffmpeg?-i?%xuliename%_bit_%bitrate2%.flv?-vcodec?rawvideo?%xuliename%_bit_%bitrate2%.avi

ffmpeg?-i?%xuliename%_bit_%bitrate3%.flv?-vcodec?rawvideo?%xuliename%_bit_%bitrate3%.avi

ffmpeg?-i?%xuliename%_bit_%bitrate4%.flv?-vcodec?rawvideo?%xuliename%_bit_%bitrate4%.avi

ffmpeg?-i?%xuliename%_bit_%bitrate5%.flv?-vcodec?rawvideo?%xuliename%_bit_%bitrate5%.avi

ffmpeg?-i?%xuliename%_bit_%bitrate6%.flv?-vcodec?rawvideo?%xuliename%_bit_%bitrate6%.avi

ffmpeg?-i?%xuliename%_bit_%bitrate7%.flv?-vcodec?rawvideo?%xuliename%_bit_%bitrate7%.avi

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