This topic describes the release notes for different versions of the short video SDK for iOS.

Feature updates

Release date Version Description
2021-10-15 V3.25.1
  • The subtitle memory is optimized.
  • The issue that the screen flickers when you use the short video SDK for iOS to crop a High Dynamic Range (HDR) video that is edited by using the built-in editing feature of an iPhone is fixed.
  • The issue that a display exception occurs after you export a video that is recorded in landscape mode is fixed.
  • Specific issues are fixed.
2021-09-27 V3.25.0
  • The Picture-in-Picture (PiP) feature is added. You can add the PiP effect to the editing user interface (UI).
  • The subtitle animation feature is improved. You can add animation effects for subtitles by using word art designs.
  • The custom thumbnail feature is added to the draft box.
  • Specific issues are fixed.
2021-08-27 V3.24.0
  • The short video SDK for iOS is optimized and support for software encoding based on FFmpeg is removed.
  • The issue that the background color setting does not take effect during cropping and editing is fixed.
  • Specific issues are fixed.
2021-08-06 V3.23.0
  • The draft box feature is added. This feature allows you to export drafts.
  • New subtitle features are added, including background color and alignment.
  • The echo removal feature during duet recording is optimized.
  • Queen SDK is provided to replace the retouching module in the demo.
  • Six split-screen filter effects are added to the demo.
  • Temporary video files can be automatically deleted during recording.
  • HDR video editing and cropping are supported.
2021-06-11 V3.22.0
  • The word art feature is provided in the editing module.
  • Duet recording from different recording sources is supported.
  • Partial screenshots can be taken.
  • The built-in time variable BUILTIN_PROGRESS is added to the custom effect class Shader.
  • The stability of the short video SDK for iOS is improved in specific scenarios.
2021-04-28 V3.21.0
  • View levels can be adjusted and border effects can be configured for duet recording.
  • Mirrored videos can be imported and edited.
  • The memory usage during software encoding is optimized.
  • The stability of the short video SDK for iOS is improved.
2021-03-24 V3.20.0
  • The audio fade-in and fade-out effects are added to the editing module.
  • The subtitle combination feature is added to the editing module.
  • The basic editing feature is added to the editing module.
  • Video thumbnails can be obtained at specified timestamps.
  • The issue that the frame rate configured for an exported video does not take effect is fixed.
  • The stability of the short video SDK for iOS is improved.
2021-02-03 V3.19.0
  • The noise reduction feature is added to the editing module.
  • The background image and background color can be specified during duet recording and video merging.
  • Audio tracks can be merged during duet recording and video merging.
  • Echoes can be removed during duet recording.
  • The issue that the halo color changes when a transparent halo effect is applied to a watermark or an image is fixed.
  • The issue that the added static images are not rotated to the specified angle is fixed.
2021-01-13 V3.18.1 The issue that a memory leak occurs when hardware encoding is used on specific iOS devices is fixed.
2020-12-31 V3.18.0 Audio track options are added for duet recording. You can mute the audio or use the original audio track or recorded audio tracks.
2020-12-01 V3.17.1
  • The scaling mode is supported for front cameras.
  • The issue that Open Graphics Library (OpenGL) unexpectedly exits applications on specific phone models after a video is produced is fixed.
2020-10-30 V3.17.0
  • The issue that the screen turns green when a video shot on iPhone 12 is imported to the cropping or editing module is fixed.
  • The lively female voice effect is optimized and the voice effects of Chinese dialects are added.
2020-09-21 V3.16.2 The Gaussian blur effect for the background is improved.
2020-06-23 V3.16.1 The issue that a recorded video cannot be merged with an existing video whose length is shorter than the length of the recorded video is fixed.
2020-05-12 V3.16.0
  • The mainstream animation effects are restored.
  • The issue of intermittent unexpected exits that users report is fixed.
  • The issue that stuttering may occur during the playback of long videos is fixed.
  • The issue that the watermark is not displayed in the specified direction when a video is recorded in landscape mode is fixed.
2020-03-20 V3.15.0
  • The issue that stuttering occurs during the playback of produced videos is fixed.
  • The issue that the speed of multiple clips cannot be changed at the same time is fixed.
  • Two sets of transitions, filter effect transitions, and filters are added based on the standards for the production of custom effects.
  • An API operation to modify the parameters of custom effects in real time is added.
  • Custom filters, transition effects, and custom effects are supported.
2019-12-27 V3.14.0
  • The cropping module is optimized to avoid chromatic distortion when a video is cropped multiple times.
  • The stability of the recording module is optimized to handle exceptions, such as unexpected background exit and hardware resource occupation.
  • Memory leaks are fixed and the performance of specific modules is optimized.
  • The issue that the background color setting does not take effect is fixed.
2019-11-21 V3.13.0
  • The stability and performance of the recording module are optimized.
  • The Render And Compute Everything (RACE) engine-based retouching effects are added to the recording module.
  • Specific issues are fixed to improve stability.
  • The facial recognition error on iOS 13 is fixed.
  • The AliyunVideoSDKPro.framework dynamic framework is split into the following frameworks:
    • AliyunVideoSDKPro.framework static framework
    • AliyunVideoCore.framework dynamic framework
2019-09-10 V3.12.0
  • The log analysis feature is supported. The AliyunVideoSDKInfo setDebugLogLevel operation is added to specify whether to enable log analysis. The following three options are provided:
    • AlivcDebugLogClose: disables the log analysis feature.
    • AlivcDebugLogNormal: analyzes warning or error logs. We recommend that you use this option to analyze logs.
    • AlivcDebugLogAll: analyzes all logs. We recommend that you use this option only for troubleshooting. We also recommend that you do not use this option in the official release because this option can be used only to analyze the logs of the short video SDK for iOS.
  • The performance of the editing module is improved.
  • The applyRunningDisplayMode operation is removed from the editing module.
  • The issue that the thread of the recording process continues to run even if the recording process is stopped is fixed.
2019-07-30 V3.11.0
  • The start and stop speeds of clip recording and the video production speed are improved.
  • The granularity and accuracy of the recording progress callback are improved.
  • The group of pictures (GOP) size is adjusted to improve the transcoding speed in specific scenarios.
  • The time that is required to switch between cameras is reduced.
2019-06-26 V3.10.5
  • The AliyunIMixRecorder operation is added.
  • The AliyunIMixComposer operation is added. This operation can be used to add effects such as PiP and left-right split-screen.
2019-06-12 V3.10.0
  • The sinister and minion voice effects are added to the editing module. Videos in the MJPEG format can be edited.
  • The compatibility with specific damaged video files is improved for playback during editing.
  • The draw method that can be used to forcibly draw a frame during editing is added.
  • The issue that the duration of a recorded video clip is not accurately displayed is fixed.
  • The issue that the watermark added during recording disappears when the application is switched to the background is fixed.
  • The issue that stuttering occurs when you switch between the front and rear cameras during recording is fixed.
2019-04-24 V3.9.0
  • New voice effects are added, including lively female voice, husky male voice, reverberation, and echo.
  • The seeking performance during editing is improved.
2019-03-01 V3.8.0
  • The playback feature during editing is optimized.
  • The video production speed for the editing module is improved.
  • The preview resolution of recorded videos is optimized.
  • The recording frame rate on devices that have low specifications is improved.
2018-12-14 V3.7.7 Video resolution for all levels of video quality is improved.
2018-11-01 V3.7.5
  • New transition effects are added, including fade-in, fade-out, polygon, and blinds.
  • The subtitle animation feature is added, which supports multiple effects including rotation, translation, scaling, and alpha.
  • Multiple speed ramp effects can be added for multiple video clips.
  • The issue that a display error occurs during reverse playback of High Efficiency Video Coding (HEVC) videos that are generated by iOS 12 is fixed.
  • The compatibility with GIF images is improved.
2018-09-19 V3.6.5.5 The short video SDK for iOS is adapted to Xcode 10.
2018-08-21 V3.6.5.1
  • Copyrighted music from Xiami Music is supported.
  • A third-party augmented-reality (AR) facial recognition module is integrated and advanced face and skin filters are added.
  • The issue that multiple video clips cannot be automatically played after they are uploaded for editing is fixed.
  • The pixel buffer can be used to access and render YUV data.
2018-07-26 V3.6.5
  • The stability of the editing module is improved.
  • The issue that stuttering occurs during reverse playback is fixed.
  • Several bugs in the editing and upload modules are fixed.
2018-06-14 V3.6.0
  • The editing module is rebuilt to improve the transcoding and production performance.
  • New time effects are added, including the fast-forward motion, slow motion, looping, and reverse motion effects.
  • The size of video files can be reduced without compromising the resolution.
  • The resolution of videos that are rendered with effects is improved.
  • Audio mixing, audio cropping, and selection of random audio segments are supported.
  • The tracking effect of face stickers is improved.
2018-02-02 V3.5.0
  • The magic music feature is added to the recording module.
  • Filters, such as out of body and phantom, are added.
2018-01-03 V3.4.0
  • Thirteen filters are added.
  • The performance of facial recognition and tracking is improved. Up to three faces can be recognized and tracked at the same time.
  • The music-seeking feature is added to the editing module. This feature allows you to seek to the required point in time.
  • The transition time can be specified in the editing module.
2017-11-24 V3.3.5
  • Videos can be produced and uploaded in the background.
  • The video thumbnail can be customized.
  • An API operation to add static stickers to the editing UI is added.
2017-10-25 V3.3.4
  • The short video SDK for iOS is adapted to iPhone X.
  • An API operation to customize the bitrate is added.
  • An API operation to crop videos is added to the GPU to improve performance.
  • The short video SDK for iOS is optimized.
2017-10-09 V3.3.3
  • The short video SDK for iOS is adapted to the features of iOS 11. The issue that the SDK unexpectedly exits when you upload videos that are recorded in high-efficiency mode by an iPhone camera is fixed.
  • The resolution of the text on bubble GIFs is improved.
  • An API operation to instantly enter the editing mode after you crop a video is added.
  • The reporting of unexpected program exits and errors is supported to improve the short video SDK for iOS.
2017-08-31 V3.3.2 An API operation to specify the background color of the cropping and editing UIs is added.
2017-08-10 V3.3.1
  • The facial recognition feature is supported.
  • The resolution of subtitle rendering is improved.
  • Bugs such as soundless playback of music videos (MVs) are fixed.
2017-07-11 V3.3.0
  • The real-time audio mixing and speed ramping features are supported.
  • Videos and images can be uploaded at the same time.
2017-06-23 V3.2.0
  • The video doodle feature is supported.
  • The issue that animation effects, such as MV movement, selection, and scaling, do not take effect is fixed.
2017-06-16 V3.1.3
  • The error code and error message for invalid encoding formats are added.
  • The issue that the settings of the cropping area are invalid is fixed.
  • A video data callback API operation is added to enable face rendering on third-party SDKs.
  • The encoding format error can be returned by underlying libraries.