As a module of ApsaraVideo MediaBox SDK, the short video SDK provides short video production services on applications, including video recording, video editing, video merging, subtitles, retouching effects, and template-based file editing. It has benefits such as ease of use, comprehensive features, and intelligent video production. This topic describes the features supported by the short video SDK.
Features
The short video SDK provides the Basic Edition, Standard Edition, and Professional Edition. The following tables describe the features supported by each edition. In the following tables, ✔️ indicates that the feature is supported and ❌ indicates that the feature is not supported.
Table 1: UI (free of charge if you purchase the Professional Edition)
Feature | Description | Basic Edition | Standard Edition | Professional Edition |
Default UI | Provides a default UI. You can modify the layout and UI for custom development. | ✔️ | ✔️ | ✔️ |
Custom UI | Provides a demo that contains the complete source code for UI interaction. You can replace icons and change the background color. You can also customize the UI based on your business requirements. | ✔️ | ✔️ | ✔️ |
Table 2: Video recording (corresponds to the recording module on the buy page of the Professional Edition)
Feature | Description | Basic Edition | Standard Edition | Professional Edition |
Definition and aspect ratio | Allows you record videos with standard definition, high definition, or ultra high definition, and provides multiple aspect ratios, such as 16:9, 4:3, and 1:1. | ✔️ | ✔️ | ✔️ |
Resolution | Allows you to specify the frame rate and quality level, or configure custom group of pictures (GOP) settings and bitrates to generate videos with different resolutions. | ✔️ | ✔️ | ✔️ |
Multi-clip recording | Supports resumable recording and continuous recording. | ✔️ | ✔️ | ✔️ |
Custom length | Allows you to specify the maximum and minimum recording length. | ✔️ | ✔️ | ✔️ |
Speed ramping | Supports fast-forward and slow-motion effects. | ✔️ | ✔️ | ✔️ |
Recording control | Allows you to switch frames, switch cameras, use flashlight, specify the exposure level, change the focal length, and configure the focus mode. | ✔️ | ✔️ | ✔️ |
Photo capture | Allows you to capture the current image and save the image as a photo. | ✔️ | ✔️ | ✔️ |
Background music | Allows you to add music on the recording UI. Music resources are provided by a third party at an additional cost. | ✔️ | ✔️ | ✔️ |
Real-time watermarks | Allows you to add watermarks when you record videos. | ✔️ | ✔️ | ✔️ |
Real-time filters | Allows you to switch filters in real time during video preview. You can also create a custom filter. | ✔️ | ✔️ | ✔️ |
Real-time effects | Allows you to add common effects such as dithering and screen split during video preview. You can also add a custom effect. | ✔️ | ✔️ | ✔️ |
Face stickers | Allows you to add effects such as stickers to faces by using the built-in facial recognition feature when you record videos. | ❌ | ❌ | ✔️ |
Facial recognition API | Allows you to call facial recognition API operations provided by a third party to add stickers to faces during recording. | ❌ | ❌ | ✔️ |
Custom rendering | Supports custom rendering for the collected data that is returned in callbacks. | ✔️ | ✔️ | ✔️ |
Basic retouching | Allows you to add retouching effects in real time and change the retouching level during recording. | ✔️ | ✔️ | ✔️ |
Advanced retouching | Allows you to integrate third-party retouching effects, including skin smoothing, rosy cheeks, skin whitening, eye widening, and face thinning. You are charged when you use Alibaba Cloud Queen SDK and FaceUnity SDK. | ❌ | ❌ | ✔️ |
Duet recording | Allows you to record a duet that consists of a video that is being recorded by the camera and an existing video. | ❌ | ✔️ | ✔️ |
Mixed audio streams | Supports real-time mixing of multiple audio streams during recording. | ❌ | ✔️ | ✔️ |
Echo removal | Allows you to remove echoes from recorded videos during recording. | ❌ | ✔️ | ✔️ |
Noise reduction | Supports noise reduction during recording. | ❌ | ✔️ | ✔️ |
Screen recording | Allows you to specify the screen to record and generate a video. | ❌ | ✔️ | ✔️ |
Multi-source recording | Allows you to generate a video in real time by synthesizing videos that are recorded for screens, videos that are recorded by the camera, and existing videos. | ❌ | ✔️ | ✔️ |
Table 3: Basic video editing (corresponds to the import module on the buy page of the Professional Edition)
Feature | Description | Basic Edition | Standard Edition | Professional Edition |
Video import | Allows you to import local videos for editing. | ✔️ | ✔️ | ✔️ |
Photo cropping | Allows you to crop photos by image size. The padding and cropping modes are supported. | ✔️ | ✔️ | ✔️ |
Video cropping | Allows you to crop videos by image size or video length. The padding and cropping modes are supported. | ✔️ | ✔️ | ✔️ |
Cropping at the original aspect ratio | Allows you to crop videos and maintain the original aspect ratio. | ✔️ | ✔️ | ✔️ |
Video transcoding | Allows you to configure the encoding format, bitrate, GOP settings, and frame rate to generate videos based on different compression ratios. | ✔️ | ✔️ | ✔️ |
Preview by frame | Allows you to view the frame image on which the reference cursor appears in the preview window when you move the timeline. | ❌ | ✔️ | ✔️ |
Video snapshots | Allows you to render the current video frame and save the snapshot as an image based on the current timeline. | ❌ | ✔️ | ✔️ |
Stream merging | Allows you to import and merge multiple images and video streams to generate a video. | ❌ | ✔️ | ✔️ |
Layout for multiple videos | Allows you to import multiple videos and specify the location and size of each video to generate a video with multiple images. | ❌ | ✔️ | ✔️ |
Picture-in-picture (PiP) | Allows you to add videos that overlap each other on the main video track to generate a video with the PiP effect. | ❌ | ✔️ | ✔️ |
Background music | Allows you to add music that is not affected by time effects to a video. Music resources are provided by a third party at an additional cost. | ❌ | ✔️ | ✔️ |
Dubbing by using local audio files | Allows you to add local audio files to a video. You can also add time effects such as fast-forward and slow-motion effects. | ❌ | ✔️ | ✔️ |
Table 4: Video effects (free of charge if you purchase the Professional Edition)
Feature | Description | Basic Edition | Standard Edition | Professional Edition |
Time effects | Allows you to add fast-forward, slow-motion, reverse playback, and repetition effects to videos. | ❌ | ✔️ | ✔️ |
Image editing | Allows you to change the brightness, white balance, sharpness, vignette, and contrast of an image on the editing UI. | ❌ | ✔️ | ✔️ |
Static filters | Allows you to switch between a Lookup Table (LUT) filter and a shader script filter on the editing UI in real time. | ❌ | ✔️ | ✔️ |
Animated filters | Allows you to add animated filters on the editing UI, such as filters that provide effects of spirit freed from the body and phantom. | ❌ | ✔️ | ✔️ |
Transition | Allows you to add transition effects such as translation, fade-in, fade-out, and blinds to videos or images. | ❌ | ✔️ | ✔️ |
Frame animation | Allows you to shift, zoom, and modify animations such as stickers and subtitles on videos and images. | ❌ | ✔️ | ✔️ |
Stickers | Allows you to add static stickers to a video on the editing UI at a point in time. After you add a static sticker, you can adjust the display duration of the static sticker and the point in time when you want to display the static sticker. | ❌ | ✔️ | ✔️ |
Doodle | Allows you to change the style, size, and color of the paint brush. | ❌ | ✔️ | ✔️ |
End watermarks | Allows you to add end watermarks to videos. You can specify the display duration of the end watermarks. | ❌ | ✔️ | ✔️ |
Custom rendering | Supports custom rendering for the decoded frame data that is returned in callbacks. | ❌ | ✔️ | ✔️ |
Noise reduction | Supports noise reduction for audio clips. | ❌ | ✔️ | ✔️ |
Audio fade-in and fade-out | Allows you to add fade-in and fade-out effects for audio clips. | ❌ | ✔️ | ✔️ |
Mute | Allows you to mute the original audio of the current video and music. | ❌ | ✔️ | ✔️ |
Sound effects | Allows you to use sound effects such as lively female voice and husky male voice to replace the original sound on the editing UI. | ❌ | ✔️ | ✔️ |
Table 5: Animated stickers (correspond to the animated sticker feature on the buy page of the Professional Edition)
Feature | Description | Basic Edition | Standard Edition | Professional Edition |
Animated stickers | Allows you to add animated stickers to a video on the editing UI at a point in time. After you add an animated sticker, you can adjust the display duration of the animated sticker and the point in time when you want to display the animated sticker. | ❌ | ❌ | ✔️ |
Table 6: Template-based file editing (corresponds to the template-based file editing feature on the buy page of the Professional Edition)
Feature | Description | Basic Edition | Standard Edition | Professional Edition |
Template-based file editing | Allows you to add the same effects that are configured for other videos to the video that you want to produce. You can select videos or images, modify text, and then produce a video by using prepared Adobe After Effects templates. | ❌ | ❌ | ✔️ |
Table 7: Subtitles (correspond to the subtitle feature on the buy page of the Professional Edition)
Feature | Description | Basic Edition | Standard Edition | Professional Edition |
Regular subtitles | Allows you to add multiple subtitles. You can configure the position, size, angle, color, and font of subtitles. You can also specify the display duration of the subtitles and the point in time when you want to display the subtitles. | ❌ | ❌ | ✔️ |
Bubble subtitles | Allows you to add a background to subtitles. You can add animated backgrounds and configure subtitle borders. | ❌ | ❌ | ✔️ |
Word art | Supports the multi-colored text style that uses art effects. | ❌ | ❌ | ✔️ |
Subtitle flipping | Allows you to combine subtitle effects. You can manage the effects and specify the point in time at which subtitles are displayed based on your business requirements. | ❌ | ❌ | ✔️ |
Table 8: Draft box (free of charge if you purchase the Professional Edition)
Feature | Description | Basic Edition | Standard Edition | Professional Edition |
Draft | Allows you to save the videos that you record or edit as drafts. You can directly edit the drafts when you want to use them. | ❌ | ✔️ | ✔️ |
Draft list | Allows you to add edited videos to the draft list. | ❌ | ✔️ | ✔️ |
Synchronization of drafts to the cloud | Allows you to upload and download video drafts. | ❌ | ✔️ | ✔️ |
Table 9: Other features (free of charge if you purchase the Professional Edition)
Feature | Description | Basic Edition | Standard Edition | Professional Edition |
Album selection | Allows you to filter videos by album or by video length. | ✔️ | ✔️ | ✔️ |
Thumbnails | Allows you to extract frames from a video at a specific point in time and generate thumbnails by using the frames. You can quickly generate thumbnails when you use the fast mode. | ✔️ | ✔️ | ✔️ |
Video information | Allows you to extract common information about a video, including the resolution, frame rate, and encoding format. | ✔️ | ✔️ | ✔️ |
Upload to ApsaraVideo VOD | Allows you upload videos to ApsaraVideo VOD for media asset management, cloud-based transcoding, and content moderation. | ✔️. You can integrate the upload SDK to upload videos to ApsaraVideo VOD. | ✔️. You can integrate the upload SDK to upload videos to ApsaraVideo VOD. | ✔️. You can integrate the upload SDK to upload videos to ApsaraVideo VOD. In video editing or video synthesis scenarios, the upload SDK encapsulates the core classes that you can use to upload videos to ApsaraVideo VOD. |
Expert support | Provides technical support. |
References
For more information about the terms related to the short video SDK, see the Short video SDK section of the "Terms" topic.