Video On Demand
Video On Demand
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What's New
Product Bulletin
Notice on Price Adjustment for VOD Acceleration
Notice on Removal of Video Adaptive Transcoding Template
Notice on the Removal of the Old VOD Console
Notice on Real-Name Authentication for Chinese Mainland Website Users Accessing VOD Outside the Chinese Mainland
Notice on the Unavailability of VOD Functions for Restricted Accounts
Notice on Audio and Video Moderation Updates
Notice on Access Issues for IAM Users Without Assigned Policies or Roles on the VOD Console Following Integration with IAM 5.0
Service Overview
What Is VOD?
Product Advantages
Functions
Notes and Constraints
Billing
Security
Certificates
Identity Authentication and Access Control
Data Protection
Auditing and Logging
Resilience
Security Risk Monitoring
Personal Data
Related Services
Concepts
Permissions Management
Region and AZ
Appendixes
Permissions Management
Getting Started
Getting Started with VOD
User Guide
Prerequisites
Service Overview
Permissions Management
Creating a User and Assigning VOD Permissions
Domain Name Management
Configuring Domain Names
Configuring CNAME Records
Configuring IPv6 Access
HTTPS Settings
Overview
SCM Authorization
Configuring HTTPS Acceleration
HTTPS Certificate Requirements
Configuring Hotlink Protection
Referer Validation
URL Validation
Pseudo-Streaming
Audio/Video Upload
Overview
Local Upload
Pull from URLs (OBT)
Media Asset Management
Audio/Video Management
Cold Storage of Media Assets
Cold Storage Based on Media Asset ID
Intelligent Cold Storage Policies
Video Processing
Snapshot Capturing
Workflow Management
Global Settings
Transcoding Settings
Watermark Settings
Security Settings
HLS Encryption Settings
Tenant Settings
Authorizing Access to an OBS Bucket
Category Settings
Notifications
Overview
MFS
SMN
Workflow Settings
Review Management (in OBT)
Enabling Content Moderation Authorization
Media Content Review
Review Settings
Usage Query
Data Analysis
Distribution Statistics
Playback Statistics
Task Center
Cloud Eye Monitoring
Monitoring Metrics
Creating an Alarm Rule
Viewing Monitoring Metrics
Querying Real-Time Traces
Key Operations Recorded by CTS
Viewing CTS Traces in the Trace List
Appendix
Permissions Management
Creating a User and Granting VOD Permissions
Obtaining a Project ID
Obtaining the AK/SK Pair
JSON Message Body
Transcoding Message Body
Snapshot Message Body
Review Message Body
Media Upload & Audio Extraction Message Body
Thumbnail Generation Message Body
Media Asset Parsing Message Body
Installing JDK
Best Practices
Uploading a Media File to VOD
Setting a Video Thumbnail
Configuring Hotlink Protection to Control Who Can Play Media
Protecting Videos with HLS Encryption
Change History
API Reference
Before You Start
API Overview
Calling APIs
Making an API Request
Authentication
Response
Application Examples
Example 1: Uploading a Media File Less Than 20 MB
Example 2: Uploading a Media File Greater Than 20 MB by Part
Example 3: Obtaining Media Asset Details
Example 4: Processing a Video File
Media Asset Upload
Uploading Media Files to VOD
Obtaining Authorization for Multipart Upload
Confirming Media Asset Upload
Authorizing Access to an OBS Bucket
Dumping Media Files from OBS
Pulling Media Files from URLs (in OBT)
Verifying the Upload
Media Asset Processing
Updating a Video
Processing Media Assets
Canceling a Media Asset Transcoding Task
Extracting Audio
Canceling an Audio Extraction Task
Creating a Media Asset Review Task
Setting a Thumbnail
Media Asset Management
Deleting a Media Asset
Publishing Media Assets
Unpublishing Media Assets
Querying Media Assets
Modifying Media Asset Attributes
Querying a Media Asset
Querying Media Assets
Querying Media Asset Tasks
Media Asset Pre-loading
CDN Pre-loading
Querying CDN Pre-loading Results
Media Asset Refresh
CDN Cache Refresh
Querying CDN Cache Refresh Result
Media Asset Categorization
Creating a Media Asset Category
Modifying a Media Asset Category
Deleting a Media Asset Category
Querying a Media Asset Category
Key Query
Querying Keys
Statistical Analysis
Querying CDN Statistics
Querying Origin Server Statistics
Querying Top-N Media Asset Statistics
Querying Playback Logs of a Domain Name
Querying Daily Playback Statistics of a Media Asset
Watermark Template Management
Creating a Watermark Template
Modifying a Watermark Template
Querying Watermark Templates
Deleting a Watermark Template
Confirming the Upload of a Watermark Image
Subtitle Management
Packaging Subtitles
Transcoding Template Management
Creating a Transcoding Template
Querying Transcoding Templates
Modifying a Transcoding Template
Deleting a Transcoding Template
Transcoding Template Group Set Management
Creating a Transcoding Template Group Set
Modifying a Transcoding Template Group Set
Querying Transcoding Template Group Sets
Deleting a Transcoding Template Group Set
Transcoded Output Management
Deleting a Transcoded Output
Media Asset Storage Class Management
Modifying the Cold Storage Scope of a Media Asset
Changing the OBS Storage Class for a Media Asset
Querying Cold Storage Settings of a Media Asset
Querying Retrieved Data
Snapshot Management
Listing Snapshot Task Results
Deleting Snapshots of a Media Asset
Querying Snapshot Details
Permissions and Supported Actions
Introduction
Actions Supported by Policy-based Authorization
Actions Supported by Identity Policy-based Authorization
Historical APIs
Media Asset Upload
Obtaining Authorization for Multipart Upload
Statistical Analysis
Querying CDN Statistics - ShowCdnStatistics
Media Asset Categorization
Querying a Media Asset Category - ListAssetCategory
Appendix
Status Codes
Error Codes
Obtaining a Project ID
Obtaining an Account ID
Generating an MD5 Value
Log Management
Sample Code for Multipart Upload
Java
POM Files
JavaScript
Python
Go
PHP
C#
Change History
SDK Reference
SDK Overview
SDK Download
SDK Development Description
FAQs
Product Consulting
What Is the Relationship Between VOD and OBS?
Is VOD Only Available on Huawei Cloud ECSs?
Do I Need to Buy the CDN Service Before Using VOD?
What Is CDN Used for?
Do I Need to Obtain a License Before Running a VOD Business?
What Is the Host IP Address for?
Do I Need to Enable OBS Before Using VOD?
Is There a Bandwidth Limit for Playing Videos Using VOD?
Does VOD Support Previews?
Does VOD Support Real-Time Monitoring?
Billing
How Long Is the Retention Period for My Resources After My Account Goes Into Arrears?
Do I Need to Unsubscribe from VOD If I Do Not Use It?
How Is VOD Traffic Billed?
How Is a Transcoding Template Group Billed?
How Is URL Pull Billed?
How Do I Calculate the VOD CDN Traffic?
How Is a Workflow Billed?
Will I Be Billed Again If I Use the Same Device ID to Watch a Video Repeatedly?
Is Audio and Video Review Charged?
What Does the Billing Item About VOD Recording Cover?
Why Is the Traffic Usage in a Traffic Package Different from That Shown in Data Analysis?
Why Am I Charged for Traffic When My CDN Domain Name Has No Active Services?
When Does the New Billing Mode for Distribution Acceleration Take Effect?
Permissions Management
Why Can't an IAM User View Media Files Uploaded by the Account on the Console?
How Do I Implement Access Control on Uploaded Media Files?
What Permissions Do I Need for Uploading Media Files?
Does VOD Support User Group Permissions?
Why Can't an IAM User Log In to the VOD Console After Obtaining the VOD FullAccess Permission?
Domain Name Management
Do I Need to Prepare a Domain Name Before Using VOD?
Can I Use My Own Domain Name?
Why Can't I Add a Domain Name?
How Do I Check Whether a Domain Name Has Been Enabled?
How Many Domain Names Can I Add to One Account?
How Do I Configure HTTPS Secure Acceleration?
What Can I Do If the Message "The certificate and domain name do not match." Is Displayed During HTTPS Certificate Configuration?
How Do I Use Different Domain Names Simultaneously When Multiple Domain Names Are Configured for VOD?
Why Does the Domain Name Status Remain "Configuring"?
Notifications
How Do I Configure Event Notifications? Where Can I Set a Message Topic?
What Are the Callback Notifications Supported by Media File Processing?
Why Can't I Receive Notifications After Configuring Event Notifications?
Upload
What Media File Formats Does VOD Support?
How Are Media Files Uploaded to VOD?
Can I Upload Compressed Video Files?
Is There Any Limit on the File Upload Size?
Is There Any Limit on the Total Size of Videos?
What Is the Maximum Length of a Video File Name?
Why Does Video Uploading Take So Long?
Why Can't I Obtain the Duration of an Uploaded Audio or Video File?
Does VOD Support Resumable Upload?
How Do I Avoid Uploading Duplicate Files?
How Are Uploaded Local Media Files Stored and Charged?
Why Can't I Find the Uploaded Video on the Console?
What Can I Do If the File Upload Fails on the Console Due to Automatic Logout?
When Can I Play an Uploaded Media File?
How Long Does It Take to Upload a Video File?
Why Can't I Upload Media Files?
Why Is the Thumbnail Not Displayed After Being Uploaded on the Console?
Can I Upload Videos Using WeChat Mini Programs?
Do I Need to Upload a Thumbnail for an Uploaded Video?
Media Processing
How Do I View Video Details Locally?
How Do I Add Subtitles to a Video?
How Do I Export All Media Details from the VOD Console?
Why Can't I View All Uploaded Video Files on the Snapshots Page?
Does the Duration on Audio and Video Management Page Refer to the Duration of the Input File or the Transcoded Output?
Does VOD Have System Presets?
Which Input Formats Does VOD Transcoding Support?
Which Output Formats Does VOD Support?
How Do I Convert a Video to Multiple Outputs in Different Resolutions?
Can I Use Multiple Transcoding Templates for a Video While Transcoding?
Will I Be Billed for the Index File Generated After Transcoding to the HLS Format?
Why Is the Output Resolution Inconsistent with That Configured in the Transcoding Template?
Why Is Transcoding Sometimes Fast and Sometimes Slow?
Does the Input Resolution for Video Transcoding Support 8K?
Does Transcoding Change the Size of Audio and Video Files?
Why Do I Fail to Delete a Media File?
Why Only Two Outputs Are Generated When Three Outputs Are Configured in the Transcoding Template?
Does VOD Support Transcoding Callbacks?
Why Is the Video Duration Different from That Displayed in the Player After Video Transcoding or Segmentation?
Why Does CDN Pre-loading Fail?
Why Can't I Delete a Watermark Template?
How Long Does a Transcoding Task Take?
How Do I Resolve Source Media Anomalies?
What Can I Do If I Have Enabled the Multi-Snapshot Function but Want to Retain Only the Latest Snapshots?
Playback
What Are the Differences Between DASH, HLS, and MP4 Files?
How Do I Obtain the Streaming URL of a Media File?
How Do I Play Media Files on a Mobile Device?
Which Types of Files Can Be Previewed on the VOD Console?
What If I Failed to Play HLS Videos?
How Do I Stop HLS Videos from Freezing?
What If the Uploaded Video File Can't Be Played?
Can I Create a QR Code for My Video Playback URL?
Do I Need to Transcode an Uploaded Video Before Playing It?
Why Does a Video Fail to Be Played Using My Own Domain Name?
Can I Play a Video If I Don't Buy a Transcoding Package?
Why Does the Encrypted HLS Video Fail to Be Played?
Is There Any Limit on the Number of Online Viewers?
Why An Error Code 403 Is Returned When I Access the Playback URL?
Can I Use My Own Player to Play Media Files Uploaded to VOD?
Can I Replace the Domain Name in the Generated Playback URL with My Own Domain Name?
How Do I Fix a Blurry Video?
Why Can't I Obtain the Streaming URL of a Transcoded Video?
Why Does Frame Freezing Occur During the Playback of a Transcoded Video?
Why Cannot a Transcoded M3U8 Video Be Played After URL Validation Is Configured?
Why Can't an Encrypted HLS Video Be Played After Being Transcoded for the Second Time?
Why Can't I Play a Video on My Mobile Phone While I Can Play It Using the Browser on My Computer?
APIs and SDKs
How Do I Obtain a Temporary AK/SK Pair and Security Token?
Why Is the File Duration Returned 0 When I Call the API for Querying Media Details?
How Do I Fix the Error of "Failed to verify the tenant ID" When I Call a VOD API?
Why Is"The throttling threshold has been reached" Returned When I Call an API to Delete a Media File?
Does task_id Returned Mean that My Pre-loading Task Has Been Completed?
What Should I Do If the Frequency of Calling the Key Query API Exceeds 100 Times per Minute?
Why Is a Message Displayed Indicating that the Current Media File or Resource Status Does Not Support This Operation During Media File Processing?
What Are the Programming Languages Supported by the Server SDK?
Why Are the source_path and output_path Parameters Empty in the Return Result When the API for Querying Details About a Specified Media File Is Called?
How Do I Delete an Uploaded Multipart Video If the Upload Is Canceled When the API Is Called to Upload a Video?
Why Can't I Obtain the Thumbnail After Calling the API for Uploading a Video File?
How Do I Set the Validity Period of the AK/SK and Security Token?
Why Can't I Preview the Watermark Image on the Console After Calling the API for Image Upload?
Security
How Do I Protect Audio and Video from Piracy?
How Do I Prevent Secondary Distribution After Audios and Videos Are Downloaded?
Does HLS Encryption Provide One Key for Each Video? Will the Key Expire?
How Do I Encrypt Transcoded Videos Using HLS?
What Is a Key URL? How Do I Obtain It?
What If the URL Validation Expires?
Can Audio Files Be Encrypted During HLS Encryption?
What Are the Differences Between HLS Encryption and Hotlink Protection?
Can Encrypted Videos Be Played After the URL for Obtaining Keys Is Changed?
Will a Signed URL Become Invalid During Playback?
Why Does the Encrypted HLS URL in the Original Streaming URL Remain Unchanged After the Encrypted HLS URL Is Changed?
Does VOD Support the Function of Only Watching Videos on CloudSite But Not Downloading Them?
Are Self-Signed HTTPS Certificates Supported?
Statistics Analysis
Which Statistics Can Be Viewed on the VOD Console?
What Is the Traffic Hit Ratio?
What Is the Cache Hit Ratio?
What Are Total Requests?
Troubleshooting
Failed to Transcode a Media File
Failed to Play a Media File
Video Freezes While Being Played
Videos
General Reference
Glossary
Shared Responsibilities
Service Level Agreement
White Papers
Endpoints
Permissions