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Getting Media File Information

Last updated: 2024-02-28 11:21:56

    Feature Description

    This API (GetMediainfo) is used to get the information of a media file.
    

    Request

    Sample request

    GET /<ObjectKey>?ci-process=videoinfo HTTP/1.1
    Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
    Date: <GMT Date>
    Authorization: <Auth String>
    Content-Length: <length>
    Note:
    Authorization: Auth String (for more information, see Request Signature).
    When this feature is used by a sub-account, relevant permissions must be granted as instructed in Authorization Granularity Details.

    Request headers

    This API only uses common request headers. For more information, see Common Request Headers.

    Request parameters

    The parameters are described as follows:
    Node Name (Keyword)
    Parent Node
    Description
    Type
    Required
    ci-process
    None
    Operation type, which is fixed at videoinfo.
    String
    Yes

    Request body

    This request does not have a request body.

    Response

    Response headers

    This API only returns common response headers. For more information, see Common Response Headers.

    Response body

    The response body returns application/xml data. The following contains all the nodes:
    <Response>
          <MediaInfo>
             <Stream>
                <Video>
                    <Index></Index>
                    <CodecName></CodecName>
                    <CodecLongName></CodecLongName>
                    <CodecTimeBase></CodecTimeBase>
                    <CodecTagString></CodecTagString>
                    <CodecTag></CodecTag>
                    <ColorPrimaries></ColorPrimaries>
                    <ColorRange></ColorRange>
                    <ColorTransfer></ColorTransfer>
                    <Profile></Profile>
                    <Width></Width>
                    <Height></Height>
                    <HasBFrame></HasBFrame>
                    <RefFrames></RefFrames>
                    <Sar></Sar>
                    <Dar></Dar>
                    <PixFormat></PixFormat>
                    <FieldOrder></FieldOrder>
                    <Level></Level>
                    <Fps></Fps>
                    <AvgFps></AvgFps>
                    <Timebase></Timebase>
                    <StartTime></StartTime>
                    <Duration></Duration>
                    <Bitrate></Bitrate>
                    <NumFrames></NumFrames>
                    <Language></Language>
                </Video>
                <Audio>
                    <Index></Index>
                    <CodecName></CodecName>
                    <CodecLongName></CodecLongName>
                    <CodecTimeBase></CodecTimeBase>
                    <CodecTagString></CodecTagString>
                    <CodecTag></CodecTag>
                    <SampleFmt></SampleFmt>
                    <SampleRate></SampleRate>
                    <Channel></Channel>
                    <ChannelLayout></ChannelLayout>
                    <Timebase></Timebase>
                    <StartTime></StartTime>
                    <Duration></Duration>
                    <Bitrate></Bitrate>
                    <Language></Language>
                </Audio>
                <Subtitle>
                    <Index></Index>
                    <Language></Language>
                </Subtitle>
             </Stream>
             <Format>
                <NumStream></NumStream>
                <NumProgram></NumProgram>
                <FormatName></FormatName>
                <FormatLongName></FormatLongName>
                <StartTime></StartTime>
                <Duration></Duration>
                <Bitrate></Bitrate>
                <Size></Size>
             </Format>
          </MediaInfo>
    </Response>
    
    The nodes are as described below:
    Node Name (Keyword)
    Parent Node
    Description
    Type
    Response
    None
    Response container
    Container
    Response has the following sub-nodes:
    Node Name (Keyword)
    Parent Node
    Description
    Type
    MediaInfo
    Response
    Media details.
    Container
    MediaInfo has the following sub-nodes:
    Node Name (Keyword)
    Parent Node
    Description
    Type
    Stream
    Response.MediaInfo
    Stream information.
    Container
    Format
    Response.MediaInfo
    Format information.
    Container
    Stream has the following sub-nodes:
    Node Name (Keyword)
    Parent Node
    Description
    Type
    Video
    Response.MediaInfo.Stream
    Video information.
    Container
    Audio
    Response.MediaInfo.Stream
    Audio information.
    Container
    Subtitle
    Response.MediaInfo.Stream
    Subtitle information.
    Container
    Format has the following sub-nodes (certain nodes may not be returned during video information query):
    Node Name (Keyword)
    Parent Node
    Description
    Type
    NumStream
    Response.MediaInfo.Format
    Number of streams (including videos, audios, and subtitles).
    Int
    NumProgram
    Response.MediaInfo.Format
    Number of programs.
    Int
    FormatName
    Response.MediaInfo.Format
    Container format name.
    String
    FormatLongName
    Response.MediaInfo.Format
    Detailed name of the container format.
    String
    StartTime
    Response.MediaInfo.Format
    Start time in seconds.
    Float
    Duration
    Response.MediaInfo.Format
    Duration in seconds.
    Float
    Bitrate
    Response.MediaInfo.Format
    Bitrate in kbps.
    Int
    Size
    Response.MediaInfo.Format
    Size in bytes.
    Int
    Video has the following sub-nodes (certain nodes may not be returned during video information query):
    Node Name (Keyword)
    Parent Node
    Description
    Type
    Index
    Response.MediaInfo.Stream.Video
    Stream number.
    Int
    CodecName
    Response.MediaInfo.Stream.Video
    Codec format name.
    String
    CodecLongName
    Response.MediaInfo.Stream.Video
    Detailed name of the codec format.
    String
    CodecTimeBase
    Response.MediaInfo.Stream.Video
    Codec timebase.
    String
    CodecTagString
    Response.MediaInfo.Stream.Video
    Codec tag name.
    String
    CodecTag
    Response.MediaInfo.Stream.Video
    Codec tag.
    String
    ColorPrimaries
    Response.MediaInfo.Stream.Video
    Color primaries.
    String
    ColorRange
    Response.MediaInfo.Stream.Video
    Color range.
    String
    ColorTransfer
    Response.MediaInfo.Stream.Video
    Color channel.
    String
    Profile
    Response.MediaInfo.Stream.Video
    Video codec profile.
    String
    Height
    Response.MediaInfo.Stream.Video
    Video height in px.
    Int
    Width
    Response.MediaInfo.Stream.Video
    Video width in px.
    Int
    HasBFrame
    Response.MediaInfo.Stream.Video
    Whether B-frames exist. 1: Yes; 0: No.
    Int
    RefFrames
    Response.MediaInfo.Stream.Video
    Number of reference frames for video codec.
    Int
    Sar
    Response.MediaInfo.Stream.Video
    Sample aspect ratio.
    String
    Dar
    Response.MediaInfo.Stream.Video
    Display aspect ratio.
    String
    PixFormat
    Response.MediaInfo.Stream.Video
    Pixel format.
    String
    FieldOrder
    Response.MediaInfo.Stream.Video
    Field order.
    String
    Level
    Response.MediaInfo.Stream.Video
    Video codec level.
    Int
    Fps
    Response.MediaInfo.Stream.Video
    Video frame rate.
    Float
    AvgFps
    Response.MediaInfo.Stream.Video
    Average frame rate.
    String
    Timebase
    Response.MediaInfo.Stream.Video
    Timebase.
    String
    StartTime
    Response.MediaInfo.Stream.Video
    Video start time in seconds.
    Float
    Duration
    Response.MediaInfo.Stream.Video
    Video duration in seconds.
    Float
    Bitrate
    Response.MediaInfo.Stream.Video
    Bitrate in kbps.
    Float
    NumFrames
    Response.MediaInfo.Stream.Video
    Total number of frames.
    Int
    Language
    Response.MediaInfo.Stream.Video
    Language.
    String
    Audio has the following sub-nodes (certain nodes may not be returned during video information query):
    Node Name (Keyword)
    Parent Node
    Description
    Type
    Index
    Response.MediaInfo.Stream.Audio
    Stream number.
    Int
    CodecName
    Response.MediaInfo.Stream.Audio
    Codec format name.
    String
    CodecLongName
    Response.MediaInfo.Stream.Audio
    Detailed name of the codec format.
    String
    CodecTimeBase
    Response.MediaInfo.Stream.Audio
    Codec timebase.
    String
    CodecTagString
    Response.MediaInfo.Stream.Audio
    Codec tag name.
    String
    CodecTag
    Response.MediaInfo.Stream.Audio
    Codec tag.
    String
    SampleFmt
    Response.MediaInfo.Stream.Audio
    Sample format.
    String
    SampleRate
    Response.MediaInfo.Stream.Audio
    Sample rate.
    Int
    Channel
    Response.MediaInfo.Stream.Audio
    Number of channels.
    Int
    ChannelLayout
    Response.MediaInfo.Stream.Audio
    Channel layout.
    String
    Timebase
    Response.MediaInfo.Stream.Audio
    Timebase.
    String
    StartTime
    Response.MediaInfo.Stream.Audio
    Audio start time in seconds.
    Float
    Duration
    Response.MediaInfo.Stream.Audio
    Audio duration in seconds.
    Float
    Bitrate
    Response.MediaInfo.Stream.Audio
    Bitrate in kbps.
    Float
    Language
    Response.MediaInfo.Stream.Audio
    Language.
    String
    Subtitle has the following sub-nodes:
    Node Name (Keyword)
    Parent Node
    Description
    Type
    Index
    Response.MediaInfo.Stream.Subtitle
    Stream number.
    Int
    Language
    Response.MediaInfo.Stream.Subtitle
    Language. und indicates no query result.
    String

    Error codes

    There are no special error messages for this request operation. For common error messages, see Error Codes.

    Samples

    Request

    GET /for-test.mp4?ci-process=videoinfo HTTP/1.1
    Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
    Date: Fri, 10 Mar 2016 09:45:46 GMT
    Authorization: q-sign-algorithm=sha1&q-ak=AKIDWtTCBYjM5OwLB9CAwA1Qb2ThTSUjfG****-sign-time=1484213027;32557109027&q-key-time=1484213027;32557109027&q-header-list=host&q-url-param-list=acl&q-signature=dcc1eb2022b79cb2a780bf062d3a40e120b4****
    Content-Length: 0

    Response

    HTTP/1.1 200 OK
    Content-Type: application/xml
    Content-Length: 666
    Connection: keep-alive
    Date: Fri, 10 Mar 2016 09:45:46 GMT
    Server: tencent-cos
    x-cos-request-id: NTg3NzRiMjVfYmRjMzVfMTViMl82ZGZmNw==
    
    
    
    <Response>
            <MediaInfo>
                    <Format>
                            <Bitrate>1014.950000</Bitrate>
                            <Duration>10.125000</Duration>
                            <FormatLongName>QuickTime / MOV</FormatLongName>
                            <FormatName>mov,mp4,m4a,3gp,3g2,mj2</FormatName>
                            <NumProgram>0</NumProgram>
                            <NumStream>2</NumStream>
                            <Size>1284547</Size>
                            <StartTime>0.000000</StartTime>
                    </Format>
                    <Stream>
                            <Audio>
                                    <Bitrate>70.451000</Bitrate>
                                    <Channel>1</Channel>
                                    <ChannelLayout>mono</ChannelLayout>
                                    <CodecLongName>AAC (Advanced Audio Coding)</CodecLongName>
                                    <CodecName>aac</CodecName>
                                    <CodecTag>0x6134706d</CodecTag>
                                    <CodecTagString>mp4a</CodecTagString>
                                    <CodecTimeBase>1/44100</CodecTimeBase>
                                    <Duration>0.440294</Duration>
                                    <Index>1</Index>
                                    <Language>und</Language>
                                    <SampleFmt>fltp</SampleFmt>
                                    <SampleRate>44100</SampleRate>
                                    <StartTime>0.000000</StartTime>
                                    <Timebase>1/44100</Timebase>
                            </Audio>
                            <Subtitle/>
                            <Video>
                                    <AvgFps>24/1</AvgFps>
                                    <Bitrate>938.164000</Bitrate>
                                    <CodecLongName>H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10</CodecLongName>
                                    <CodecName>h264</CodecName>
                                    <CodecTag>0x31637661</CodecTag>
                                    <CodecTagString>avc1</CodecTagString>
                                    <CodecTimeBase>1/12288</CodecTimeBase>
                                    <ColorPrimaries>unknown</ColorPrimaries>
                                    <ColorRange>unknown</ColorRange>
                                    <ColorTransfer>unknown</ColorTransfer>
                                    <Dar>40:53</Dar>
                                    <Duration>0.124416</Duration>
                                    <Fps>24.500000</Fps>
                                    <HasBFrame>2</HasBFrame>
                                    <Height>1280</Height>
                                    <Index>0</Index>
                                    <Language>und</Language>
                                    <Level>32</Level>
                                    <NumFrames>243</NumFrames>
                                    <PixFormat>yuv420p</PixFormat>
                                    <Profile>High</Profile>
                                    <RefFrames>1</RefFrames>
                                    <Sar>25600:25599</Sar>
                                    <StartTime>0.000000</StartTime>
                                    <Timebase>1/12288</Timebase>
                                    <Width>966</Width>
                            </Video>
                    </Stream>
            </MediaInfo>
    </Response>
    
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