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- What's New
- Function Overview
- Service Overview
- Billing
- Getting Started
- User Guide
-
Best Practices
- Using MPC to Transcode Media Files in OBS
- H.264 and H.265 Low-bitrate HD Creates an Amazing Experience for Video Websites
- Snapshot Capturing Facilitates the Setup of Media Processing Platform for Your Video Website
- Video Packaging Enables the Playback of Online Education Videos on Multiple Terminal Types
- Change History
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- Application Examples
- Transcoding Template APIs
- Transcoding Template Group APIs
- Watermark Template APIs
- Transcoding APIs
- Packaging APIs
- Animated GIF APIs
- Video Metadata Extraction APIs
- Snapshot APIs
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Authorization and Configuration APIs
- Configuring Transcoding Server Event Notifications
- Querying Transcoding Server Event Notifications
- Querying All Events on a Transcoding Server
- Querying Buckets
- Authorizing or Canceling Authorization of Access to OBS Buckets
- Querying Objects in a Bucket
- Requesting OBS Authorization
- Querying the Status of OBS Authorization Task Creation
- Tenant Subscription
- Appendix
- Change History
- SDK Reference
-
FAQs
- Product Consulting
- Billing
- Upload
-
Transcoding
- Files of What Formats Can Be Transcoded?
- What If Transcoding Fails?
- Can a Transcoding Task Have Multiple Outputs?
- What Is a System Template? What Is It Used for?
- How Do I Download Output Videos?
- What Are the Differences Between DASH, HLS, and MP4 Videos?
- How Do I Share Transcoded Videos?
- How Do I Determine Whether Source Videos Can Be Transcoded to SD, HD, and UHD Videos?
- Why Is There Only Audio but No Image After Video Transcoding?
- Why Can't I Find My OBS Bucket When Creating a Transcoding Task?
- How Do I Overwrite the Input Video File with the Output Video File?
- How Long Does a Transcoding Task Take?
- How Do I Configure Transcoding Event Notifications?
- Can a Low-resolution Video Be Transcoded to a High-resolution One?
- Can I Set the Same Bucket Name and Path for Both Input and Output Buckets During Transcoding?
- Notifications
- Packaging/GIF Converting
- Frame Capture
- Video Watermark
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API and SDK Usage
- Can I Deliver Transcoding Tasks in Batches?
- How Long Does a Task Take from Submission to Execution?
- Failed to Transcode MP3 Files and A Message Is Displayed Indicating that the Source Width and Height Are Incorrect
- Why Is "The token must be updated" Returned When I Call an API?
- Why Is a Message Displayed Indicating that the Token Is Invalid When I Call an API?
- What Can I Do If an Error Message Is Displayed Indicating that the Input or Output OBS Path Is Invalid When I Use the SDK or API?
- Does MPC Support Video Rotation?
- How Do I Call a Transcoding API to Specify an Output File Name?
- Why Can't I Cancel the Authorization After the IAM User Delegates the Read and Write Permissions on OBS Buckets?
- Videos
- General Reference
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Concepts
OBS
Object Storage Service (OBS) is a stable, secure, efficient, and easy-to-use cloud storage service. MPC uses OBS to manage media files. MPC transcodes the media files stored in input buckets and then saves the transcoded files to output buckets. For more information about OBS, see OBS Help Center.
Bucket
Buckets are containers for storing objects. OBS provides flat storage in the form of buckets and objects. Unlike the conventional multi-layer directory structure of file systems, all objects in a bucket are stored at the same logical layer.
SMN
The Simple Message Notification (SMN) service notifies you of your transcoding task status. For more information about SMN, see SMN Help Center.
Transcoding Template
A transcoding template is a set of transcoding parameters, such as audio, video, and container parameters. You can select a system template to save a lot of configuration operations. If you have special requirements, you can customize a transcoding template.
Low Bitrate HD
Based on the human visual system model and Huawei's transcoding technology, MPC analyzes each scenario, action, content, and texture in a video to deliver lower bitrate while keeping the bandwidth costs down but without compromising the video quality.
Fast Transcoding
This allows MPC to transcode video segments in parallel, which can be six times faster than standard transcoding. It is perfect for transcoding videos longer than 30 minutes.
One-in Multiple-out
It is a transcoding method. That is, a video file is transcoded into video files of multiple resolutions and bitrates to meet the playback requirements of different devices and different network speeds.
Image Enhancement
The combination of the traditional super-resolution algorithm and AI-powered image enhancement algorithm converts 2K videos to 4K videos, repairs damaged images, and improves the image quality of existing videos.
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