? ? ? ? MediaInfo是一款非常實用的視頻參數檢測工具，除了可以對視頻進行編碼分析查詢，還可以對音頻文件的編碼及信息進行檢測，該款工具軟件是一款免費軟件。

一、從官網上下載依賴包：
mediaInfo官方地址:https://mediaarea.net/en/MediaInfo/Download/CentOS
庫地址: https://mediaarea.net/download/binary/

GUI表示圖形界面版本。CLI表示命令行版本。

二、安裝：

rpm -ivh libzen-0.4.39.x86_64.CentOS_7.rpm? rpm -ivh libmediainfo-21.03.x86_64.CentOS_7.rpm rpm -ivh mediainfo-21.03.x86_64.CentOS_7.rpm

三、驗證：

mediainfo -i test.mp4 --OUTPUT=XML > test.xml

test.xml文件內容

<?xml version="1.0" encoding="UTF-8"?> <MediaInfo xmlns="https://mediaarea.net/mediainfo" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://mediaarea.net/mediainfo https://mediaarea.net/mediainfo/mediainfo_2_0.xsd" version="2.0"><creatingLibrary version="22.03" url="https://mediaarea.net/MediaInfo">MediaInfoLib</creatingLibrary><media/><media ref="test.mp4"><track type="General"><AudioCount>1</AudioCount><FileExtension>mp4</FileExtension><Format>AVC</Format><FileSize>1392892</FileSize><Duration>10.0</Duration><OverallBitRate>554297</OverallBitRate><FrameRate>25.000</FrameRate><FrameCount>497</FrameCount><StreamSize>83509</StreamSize><File_Modified_Date>UTC 2022-09-16 09:32:06</File_Modified_Date><File_Modified_Date_Local>2022-09-16 17:32:06</File_Modified_Date_Local><Encoded_Application>Lavf57.41.100</Encoded_Application><extra></extra></track><track type="Video"><Format>AVC</Format><Duration>10.0</Duration><BitRate>554297</BitRate><CodecID>28</CodecID><Width>1920</Width><Height>1080</Height><FrameRate>25.000</FrameRate><FrameCount>497</FrameCount><ColorSpace>YUV</ColorSpace><ChromaSubsampling>4:2:0</ChromaSubsampling></track><track type="Audio"><Format>AAC</Format><Duration>10</Duration><BitRate_Mode>VBR</BitRate_Mode><BitRate>1691711</BitRate><Channels>2</Channels><ChannelPositions>Front: L R</ChannelPositions><ChannelLayout>L R</ChannelLayout><SamplingRate>48000</SamplingRate><SamplingCount>15425712</SamplingCount><BitDepth>24</BitDepth><Compression_Mode>Lossless</Compression_Mode><StreamSize>67957944</StreamSize><StreamSize_Proportion>0.99988</StreamSize_Proportion><Encoded_Library>Lavf57.41.100</Encoded_Library></track></media> </MediaInfo>

mediainfo -i test.jpg?--OUTPUT=JSON?> test.json

test.json文件內容

{ "media": { "@ref": "/test.jpg", "track": [ { "@type": "General", "ImageCount": "1", "FileExtension": "jpg", "Format": "JPEG", "FileSize": "84227", "StreamSize": "0", "File_Modified_Date": "UTC 2022-09-16 05:36:32", "File_Modified_Date_Local": "2022-09-16 11:06:32" }, { "@type": "Image", "Format": "JPEG", "Width": "612", "Height": "612", "ColorSpace": "YUV", "ChromaSubsampling": "4:4:4", "BitDepth": "8", "Compression_Mode": "Lossy", "StreamSize": "84227" } ] } }

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