Updates a video

Function

After a media file is created, upload a thumbnail, update a video file, or update the existing thumbnail.After a video file is updated, call the API for Confirming Media Upload to notify VOD.You do not need to call the API after updating or uploading a thumbnail.You can upload an updated video by part. For details, see Example 2: Uploading a Media File More Than 20 MB by Part.

URI

PUT /v1.0/{project_id}/asset

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain the project ID, see Obtaining a Project ID.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	No	String	User token. This parameter is mandatory when token authentication is used. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is a token.
Authorization	No	String	Authentication information. This parameter is mandatory for AK/SK authentication.
X-Sdk-Date	No	String	Time when the request is sent. This parameter is mandatory for AK/SK authentication.

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
asset_id	Yes	String	Media ID
video_md5	No	String	MD5 value of a video fileYou are advised to refer to the example of uploading and updating media files in Generating an MD5 Value in the appendix of API Reference.
video_name	No	String	Video file name The file name extension is optional.
video_type	No	String	Video file type The value can be MP4, TS, MOV, MXF, MPG, FLV, WMV, AVI, M4V, F4V, MPEG, 3GP, ASF, or MKV.
cover_id	No	Integer	Thumbnail ID The value ranges from 0 to 7. Currently, only one thumbnail is supported. Therefore, this parameter must be set to 0.
cover_type	No	String	Thumbnail image format Possible values are: JPG PNG
cover_md5	No	String	MD5 value of the cover file
subtitles	No	Array of Subtitle objects	Subtitle file information

**Table 4** Subtitle
Parameter	Mandatory	Type	Description
id	Yes	Integer	Subtitle ID Value range: 1–8
type	Yes	String	Subtitle file format. Currently, only SRT is supported.
language	Yes	String	Subtitle language Possible values are: CN: Chinese subtitle EN: English subtitle
md5	No	String	MD5 value of the subtitle file
description	No	String	Subtitle description

Response Parameters

Status code: 200

**Table 5** Response body parameters
Parameter	Type	Description
asset_id	String	Media ID
video_upload_url	String	URL for uploading video files This API is called by the client to upload a small video file not greater than 20 MB. The URL contains temporary authorization information. If the file size is greater than 20 MB, the file needs to be uploaded in multipart mode. NOTE: You can use PUT requests to upload video files to video_upload_url. Configure Content-Type according to the type of the video file to be uploaded. The value is in the format of video/video format, for example, video/mp4.
cover_upload_url	String	URL for uploading thumbnail files NOTE: You can use PUT requests to upload thumbnail images to cover_upload_url. Configure Content-Type according to the type of the thumbnail file to be uploaded. The value is in the format of image/image format, for example, image/png.
subtitle_upload_urls	Array of strings	URL for uploading subtitles NOTE: You can use PUT requests to upload subtitle files to subtitle_upload_urls. Configure Content-Type according to the type of the subtitle file to be uploaded. For example, the value can be application/octet-stream.

Status code: 403

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error code
error_msg	String	Error description

Example Requests

Updates a media file.

PUT https://{endpoint}/v1.0/{project_id}/asset

{
  "asset_id" : "f488337c31c8e4622f1590735b134c65",
  "cover_id" : "0",
  "cover_type" : "JPG",
  "subtitles" : [ {
    "id" : 1,
    "language" : "CN",
    "type" : "SRT",
    "md5" : "SqcyFjJZoDZaP8oKIY6rgQ==",
    "description" : "AAAAA"
  } ]
}

Example Responses

Status code: 200

The information is returned when the request succeeds.

{
  "asset_id" : "f488337c31c8e4622f1590735b134c65",
  "cover_upload_url" : "https://obs.cn-north-4.myhuaweicloud.com:443/obs-vod-1/%7Bproject_id%7D/f488337c31c8e4622f1590735b134c65/cover/Cover0.jpg?AWSAccessKeyId=CBN2JOVSQVVUREU0RCSN&Expires=1518148410&Signature=DVwzU6ejlKlSdAbwFXaSy67JpuA%3D",
  "subtitle_upload_urls" : [ "https://obs-vod-1.obs.cn-north-4.myhuaweicloud.com:443/14ce1d4437164aba8b364ce15866154e/53a018d2dc53ca07eb5a07a839205c9d/subtitle/1.srt?AWSAccessKeyId=CBN2JOVSQVVUREU0RCSN&Expires=1534760131&Signature=twZPabMSf%2FO%2B2H3mpo3Gsqk1uIo%3D" ]
}

Status code: 403

The information is returned when the request fails.

{
  "error_code" : "VOD.10062",
  "error_msg" : "Media asset or resource does not exist, please check."
}

Status Codes

Status Code	Description
200	The information is returned when the request succeeds.
403	The information is returned when the request fails.

Error Codes

See Error Codes.

Parent topic: Media file processing

Previous topic: Media file processing

Next topic: Media asset processing

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