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Retrieve Media Information Synchronization Request
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Last updated: 2025-09-08 17:59:39
Retrieve Media Information Synchronization Request
Last updated: 2025-09-08 17:59:39
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Feature Description

The GetMediainfo API is used to obtain information of a media file.

Authorization Description

When using with a sub-account, the cos:GetObject permission is required. For details, please refer to COS action. For other CI permissions, please refer to Cloud Infinite action.

Activating a Service

Using this feature requires enabling Cloud Infinite in advance and binding a bucket. For details, see Bind Bucket.
Use this feature requires enabling Media Processing Service in advance via console or API. For details, see Enable Media Processing Service.

Use Limits

When using this API, please first confirm the relevant restrictions. For details, see Usage Limits.

Fee Description

This API is a paid service. Incurred fees will be charged by Cloud Infinite. For detailed billing instructions, see Media processing.


Request

Request sample:

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 details, see the Request Signature document.
ObjectKey is a bucket object.

Request header.

This API only uses common request headers. For details, see Common Request Headers documentation.

Request parameters.

The parameters are described as follows:
Node Name (Keyword)
Parent Node
Description
Type
Required or Not
ci-process
None.
operation type, fixed usage videoinfo
String
Yes

Request body.

This request has no request body.

Response

Response Headers

This API only returns the public response header. For details, see Common Response Headers documentation.

Response Body

The response body is returned as application/xml. An example including the complete node data is shown below:
<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 data are as follows:
Node Name (Keyword)
Parent Node
Description
Type
Response
None.
Container for saving results
Container
Container node Response content:
Node Name (Keyword)
Parent Node
Description
Type
MediaInfo
Response
Detailed information of the media
Container
Content of Container node
MediaInfo
:
Node Name (Keyword)
Parent Node
Description
Type
Format
Response.MediaInfo
Format information
Container
Stream
Response.MediaInfo
Stream information
Container
Container node Stream content:
Node Name (Keyword)
Parent Node
Description
Type
Video
Response.MediaInfo.Stream
video information
Container array
Audio
Response.MediaInfo.Stream
audio content
Container array
Subtitle
Response.MediaInfo.Stream
subtitle information
Container array
the content of Container node Format (do not return if a field fails to obtain a valid value)
Node Name (Keyword)
Parent Node
Description
Type
NumStream
Response.MediaInfo.Format
the number of Streams (including Video, Audio, and Subtitle)
String
NumProgram
Response.MediaInfo.Format
the number of programs
String
FormatName
Response.MediaInfo.Format
Container Format Name
String
FormatLongName
Response.MediaInfo.Format
Detailed Container Format Name
String
StartTime
Response.MediaInfo.Format
Start Time, in seconds
String
Duration
Response.MediaInfo.Format
Duration, in seconds
String
Bitrate
Response.MediaInfo.Format
Bitrate, in kbps
String
Size
Response.MediaInfo.Format
Size in bytes
String
the content of Container node Video (do not return if a field fails to obtain a valid value)
Node Name (Keyword)
Parent Node
Description
Type
Index
Response.MediaInfo.Stream.Video
The number of this stream
String
CodecName
Response.MediaInfo.Stream.Video
encoding/decoding format name
String
CodecLongName
Response.MediaInfo.Stream.Video
encoding/decoding format name
String
CodecTimeBase
Response.MediaInfo.Stream.Video
Encoding time base
String
CodecTagString
Response.MediaInfo.Stream.Video
encoding tag name
String
CodecTag
Response.MediaInfo.Stream.Video
encoding tag
String
ColorPrimaries
Response.MediaInfo.Stream.Video
Chromogen
String
ColorRange
Response.MediaInfo.Stream.Video
Color range
String
ColorTransfer
Response.MediaInfo.Stream.Video
color channel
String
Profile
Response.MediaInfo.Stream.Video
Video encoding gear selection
String
Height
Response.MediaInfo.Stream.Video
Video height, unit px
String
Width
Response.MediaInfo.Stream.Video
Video width, unit px
String
HasBFrame
Response.MediaInfo.Stream.Video
Whether there is a B-frame. 1 indicates yes, 0 indicates no.
String
RefFrames
Response.MediaInfo.Stream.Video
Reference frame count for video encoding
String
Sar
Response.MediaInfo.Stream.Video
Sampling aspect ratio
String
Dar
Response.MediaInfo.Stream.Video
Display aspect ratio
String
PixFormat
Response.MediaInfo.Stream.Video
video pixel format
String
FieldOrder
Response.MediaInfo.Stream.Video
Field Order
String
Level
Response.MediaInfo.Stream.Video
Video encoding level
String
Fps
Response.MediaInfo.Stream.Video
video frame rate
String
AvgFps
Response.MediaInfo.Stream.Video
Average frame rate
String
Timebase
Response.MediaInfo.Stream.Video
Time base
String
StartTime
Response.MediaInfo.Stream.Video
Video start time, in seconds
String
Duration
Response.MediaInfo.Stream.Video
Video duration, in seconds
String
Bitrate
Response.MediaInfo.Stream.Video
Bitrate, in kbps
String
NumFrames
Response.MediaInfo.Stream.Video
Total number of frames
String
Language
Response.MediaInfo.Stream.Video
Language
String
the content of Container node Audio (do not return if a field fails to obtain a valid value)
Node Name (Keyword)
Parent Node
Description
Type
Index
Response.MediaInfo.Stream.Audio
The number of this stream
String
CodecName
Response.MediaInfo.Stream.Audio
encoding/decoding format name
String
CodecLongName
Response.MediaInfo.Stream.Audio
encoding/decoding format name
String
CodecTimeBase
Response.MediaInfo.Stream.Audio
Encoding time base
String
CodecTagString
Response.MediaInfo.Stream.Audio
encoding tag name
String
CodecTag
Response.MediaInfo.Stream.Audio
encoding tag
String
SampleFmt
Response.MediaInfo.Stream.Audio
sample format
String
SampleRate
Response.MediaInfo.Stream.Audio
sampling rate
String
Channel
Response.MediaInfo.Stream.Audio
Number of channels
String
ChannelLayout
Response.MediaInfo.Stream.Audio
Channel format
String
Timebase
Response.MediaInfo.Stream.Audio
Time base
String
StartTime
Response.MediaInfo.Stream.Audio
Audio start time, in seconds
String
Duration
Response.MediaInfo.Stream.Audio
Audio duration, in seconds
String
Bitrate
Response.MediaInfo.Stream.Audio
Bitrate, in kbps
String
Language
Response.MediaInfo.Stream.Audio
Language
String
Container node Subtitle content:
Node Name (Keyword)
Parent Node
Description
Type
Index
Response.MediaInfo.Stream.Subtitle
The number of this stream
String
Language
Response.MediaInfo.Stream.Subtitle
Language, und indicates no query result
String

Error Codes

This request returns common error responses and error codes. For more information, see Error Codes.

Examples

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=*************************************&q-key-time=1484213027;32557109027&q-header-list=host&q-url-param-list=acl&q-signature=**************************************
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-ci
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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