Video On Demand
Video On Demand

    All results for "" in this service

      All results for "" in this service

      • What's New
      • Function Overview
      • Service Overview
        • What Is VOD?
        • Functions
        • Product Advantages
        • Constraints
        • Billing
        • Security
          • Shared Responsibilities
          • Identity Authentication and Access Control
          • Data Protection
          • Resilience
          • Security Risk Monitoring
          • Certificates
        • Personal Data
        • Related Services
        • Concepts
        • Permissions Management
        • Region and AZ
      • Getting Started
        • Getting Started with VOD
      • User Guide
        • Prerequisites
        • Functions
        • Permissions Management
          • Creating a User and Assigning VOD Permissions
        • Domain Name Management
          • Configuring Domain Names
          • CNAME Resolution
          • Configuring IPv6 Access
          • Configuring HTTPS Secure Acceleration
            • SCM Authorization
            • Configuration Methods
            • HTTPS Certificate Requirements
          • Configuring Hotlink Protection
            • Referer Validation
            • URL Validation
          • Pseudo-Streaming
        • Audio/Video Upload
          • Overview
          • Local Upload
          • Pull from URLs
        • 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
          • Category Settings
          • Notifications
            • Overview
            • MFS
            • SMN
          • Workflow Settings
        • Review Management (in OBT)
          • Media Content Review
          • Review Settings
        • Usage Query
        • Data Analysis
          • Distribution Statistics
          • Playback Statistics
        • 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 Storage Mode Management
          • Modifying the Cold Storage Scope of a Media Asset
          • Changing the OBS Storage Class of a Media Asset
          • Querying the Cold Storage Settings of a Media Asset
          • Querying Retrieved Data
        • Media file pre-loading
          • CDN prefetch
          • Queries information of CDN prefetch
        • Media file processing
          • Updates a video
          • Media asset processing
          • Cancels a media asset transcoding task
          • Extracts audio
          • Cancels an audio extraction task
          • Creates a media asset review task
          • Sets the cover
        • Statistical analysis
          • Queries CDN statistics
          • Queries statistics on the origin server
          • Queries statistics on the top N media assets
          • Queries playback logs of a domain name
          • Querying Daily Playback Statistics of a Media Asset
        • Transcoded Output Management
          • Deleting a Transcoded Output
        • Media file category
          • Creates a media asset category
          • Modifies a media asset category
          • Deletes a media asset category
          • Queries a specified category
        • Watermark template management
          • Creates a watermark template
          • Modifies a watermark template
          • Queries watermark templates
          • Deletes a watermark template
          • Confirms that the watermark image has been uploaded
        • Media file management
          • Deletes a media asset
          • Publishes the media asset
          • Unpublishes the media asset
          • Queries media asset information
          • Modifies media asset attributes
          • Queries details about a specified media asset
          • Queries media assets
        • Transcoding template management
          • Customizes a transcoding template
          • Queries transcoding templates
          • Modifies a transcoding template
          • Deletes a custom template
        • Uploads media files
          • Uploads media files to VOD
          • Obtains authorization for multipart upload
          • Confirms media asset upload
          • Authorizing Access to an OBS Bucket
          • Dumping Media Files from OBS
          • Pulls media files from URLs
          • Verifies the upload
        • Key query
          • Queries keys
        • Subtitle management
          • Subtitle management
        • Transcoding template set management
          • Creates a transcoding template group set
          • Modifies a transcoding template group set
          • Queries custom template group sets
          • Deletes a transcoding template group set
        • Historical APIs
          • Media Asset Upload
            • Obtaining Authorization for Multipart Upload
        • 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
        • Change History
      • SDK Reference
        • SDK Overview
        • SDK Download
        • SDK Development Description
      • FAQs
        • Product Consulting
          1. What Is the Relationship Between VOD and OBS?
          2. Is VOD Only Available on Huawei Cloud ECSs?
          3. Do I Need to Buy the CDN Service Before Using VOD?
          4. What Is CDN Used for?
          5. Do I Need to Obtain a License Before Running a VOD Business?
          6. What Is the Host IP Address for?
          7. Do I Need to Enable OBS Before Using VOD?
          8. Is There a Bandwidth Limit for Playing Videos Using VOD?
          9. Does VOD Support Real-Time Monitoring?
        • Billing
          1. How Long Is the Retention Period for My Resources After My Account Goes Into Arrears?
          2. Do I Need to Unsubscribe from VOD If I Do Not Use It?
          3. How Is VOD Traffic Billed?
          4. How Is a Transcoding Template Group Billed?
          5. How Is URL Pull Billed?
          6. How Do I Calculate the VOD CDN Traffic?
          7. How Is a Workflow Billed?
          8. Will I Be Billed Again If I Use the Same Device ID to Watch a Video Repeatedly?
          9. Is Audio and Video Review Charged?
        • Permissions Management
          1. Why Can't an IAM User View Media Files Uploaded by the Account on the Console?
          2. How Do I Implement Access Control on Uploaded Media Files?
          3. What Permissions Do I Need for Uploading Media Files?
          4. Does VOD Support User Group Permissions?
          5. Why Can't an IAM User Log In to the VOD Console After Obtaining the VOD FullAccess Permission?
        • Domain Name Management
          1. Do I Need to Prepare a Domain Name Before Using VOD?
          2. Can I Use My Own Domain Name?
          3. Why Can't I Add a Domain Name?
          4. How Do I Check Whether a Domain Name Has Been Enabled?
          5. How Many Domain Names Can I Add to One Account?
          6. How Do I Configure HTTPS Secure Acceleration?
          7. What Can I Do If the Message "The certificate and domain name do not match." Is Displayed During HTTPS Certificate Configuration?
          8. How Do I Use Different Domain Names Simultaneously When Multiple Domain Names Are Configured for VOD?
          9. Why Does the Domain Name Status Remain "Configuring"?
        • Notifications
          1. How Do I Configure Event Notifications? Where Can I Set a Message Topic?
          2. What Are the Callback Notifications Supported by Media File Processing?
          3. Why Can't I Receive Notifications After Configuring Event Notifications?
        • Upload
          1. What Media File Formats Does VOD Support?
          2. How Are Media Files Uploaded to VOD?
          3. Can I Upload Compressed Video Files?
          4. Is There Any Limit on the File Upload Size?
          5. Is There Any Limit on the Total Size of Videos?
          6. What Is the Maximum Length of a Video File Name?
          7. Why Does Video Uploading Take So Long?
          8. Why Can't the File Length Be Obtained After a Media File Is Uploaded to VOD?
          9. Does VOD Support Resumable Upload?
          10. How Do I Avoid Uploading Duplicate Files?
          11. Why Can't I Find My Video on the Console After a Video Has Been Uploaded?
          12. Why Am I Logged Out Automatically? Will This Cause Upload Failure?
          13. When Can I Play an Uploaded Media File?
          14. How Long Does It Take to Upload a Video File?
          15. Why Can't I Upload Media Files?
          16. Why Is the Thumbnail Not Displayed After Being Uploaded on the Console?
          17. Can I Upload Videos Using WeChat Mini Programs?
          18. Do I Need to Upload a Thumbnail for an Uploaded Video?
        • Media Processing
          1. How Do I View Video Details Locally?
          2. How Do I Add Subtitles to a Video?
          3. How Do I Export All Media Details from the VOD Console?
          4. Why Can't I View All Uploaded Video Files on the Snapshots Page?
          5. Does the Duration on Audio and Video Management Page Refer to the Duration of the Input File or the Transcoded Output?
          6. Does VOD Have System Presets?
          7. Which Input Formats Does VOD Transcoding Support?
          8. Which Output Formats Does VOD Support?
          9. How Do I Convert a Video to Multiple Outputs in Different Resolutions?
          10. Can I Use Multiple Transcoding Templates for a Video While Transcoding?
          11. Will I Be Billed for the Index File Generated After Transcoding to the HLS Format?
          12. Why Is the Output Resolution Inconsistent with That Configured in the Transcoding Template?
          13. Why Is Transcoding Sometimes Fast and Sometimes Slow?
          14. Does the Input Resolution for Video Transcoding Support 8K?
          15. Does Transcoding Change the Size of Audio and Video Files?
          16. Why Do I Fail to Delete a Media File?
          17. Why Only Two Outputs Are Created When Three Outputs Are Set in the Transcoding Template?
          18. Does VOD Support Transcoding Callbacks?
          19. Why Is the Video Duration Different from That Displayed in the Player After Video Transcoding or Segmentation?
          20. Why Does CDN Pre-loading Fail?
          21. Why Can't I Delete a Watermark Template?
        • Playback
          1. What Are the Differences Between DASH, HLS, and MP4 Files?
          2. How Do I Obtain the Streaming URL of a Media File?
          3. How Do I Play Media Files on a Mobile Device?
          4. Which Types of Files Can Be Previewed on the VOD Console?
          5. What If I Failed to Play HLS Videos?
          6. How Do I Stop HLS Videos from Freezing?
          7. What If the Uploaded Video File Can't Be Played?
          8. Can I Create a QR Code for My Video Playback URL?
          9. Do I Need to Transcode an Uploaded Video Before Playing It?
          10. Why Does a Video Fail to Be Played Using My Own Domain Name?
          11. Can I Play a Video If I Don't Buy a Transcoding Package?
          12. Why Does the Encrypted HLS Video Playback Failed?
          13. Is There Any Limit on the Number of Online Viewers?
          14. Why An Error Code 403 Is Returned When I Access the Playback URL?
          15. Can I Use My Own Player to Play Media Files Uploaded to VOD?
          16. Can I Replace the Domain Name in the Generated Playback URL with My Own Domain Name?
          17. How Do I Fix a Blurry Video?
          18. Why Can't I Obtain the Streaming URL of a Transcoded Video?
          19. Why Does Frame Freezing Occur During the Playback of a Transcoded Video?
          20. Why Cannot a Transcoded M3U8 Video Be Played After URL Validation Is Configured?
          21. Why Can't an Encrypted HLS Video Be Played After Being Transcoded for the Second Time?
        • APIs and SDKs
          1. How Do I Obtain a Temporary AK/SK Pair and Security Token?
          2. Why Is the File Duration Returned 0 When I Call the API for Querying Media Details?
          3. How Do I Fix the Error of "Failed to verify the tenant ID" When I Call a VOD API?
          4. Why Is"The throttling threshold has been reached" Returned When I Call an API to Delete a Media File?
          5. Does task_id Returned Mean that My Pre-loading Task Has Been Completed?
          6. What Should I Do If the Frequency of Calling the Key Query API Exceeds 100 Times per Minute?
          7. Why Is a Message Displayed Indicating that the Current Media File or Resource Status Does Not Support This Operation During Media File Processing?
          8. What Are the Programming Languages Supported by the Server SDK?
          9. 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?
          10. How Do I Delete an Uploaded Multipart Video If the Upload Is Canceled When the API Is Called to Upload a Video?
          11. Why Can't I Obtain the Thumbnail After Calling the API for Uploading a Video File?
          12. How Do I Set the Validity Period of the AK/SK and Security Token?
          13. Why Can't I Preview the Watermark Image on the Console After Calling the API for Image Upload?
        • Security
          1. How Do I Protect Audio and Video from Piracy?
          2. How Do I Prevent Secondary Distribution After Audios and Videos Are Downloaded?
          3. Does HLS Encryption Provide One Key for Each Video? Will the Key Expire?
          4. How Do I Encrypt Transcoded Videos Using HLS?
          5. What Is a Key URL? How Do I Obtain It?
          6. What If the URL Validation Expires?
          7. Can Audio Files Be Encrypted During HLS Encryption?
          8. What Are the Differences Between HLS Encryption and Hotlink Protection?
          9. Can Encrypted Videos Be Played After the URL for Obtaining Keys Is Changed?
          10. Will a Signed URL Become Invalid During Playback?
          11. Why Does the Encrypted HLS URL in the Original Streaming URL Remain Unchanged After the Encrypted HLS URL Is Changed?
          12. Does VOD Support the Function of Only Watching Videos on CloudSite But Not Downloading Them?
          13. Are Self-Signed HTTPS Certificates Supported?
        • Statistics Analysis
          1. Which Statistics Can Be Viewed on the VOD Console?
          2. What Is the Traffic Hit Ratio?
          3. What Is the Cache Hit Ratio?
          4. What Are Total Requests?
      • Troubleshooting
        • Failed to Trancode a Media File
        • Failed to Play a Media File
        • Video Freezes While Being Played
      • Videos
      • General Reference
        • Glossary
        • Service Level Agreement
        • White Papers
        • Endpoints
        • Permissions