Features

VoD transcoding

Supported input formats

• Container formats
  3GP, AVI, ASF, FLV, GIF, MOV/QuickTime/MP4, MTS/M2TS, M3U8, MPG, MKV, RM/RMVB, MPEG-TS, WMV, WebM, and so on

• Video encoding formats
  H.264/AVC/MPEG-4 AVC/MPEG-4 Part 10, H.265/HEVC, H.263 (H.263+), MPEG-1, MPEG-2, MPEG-4, MJPEG, On2 VP3/VP5/VP6/VP7, VP8, VP9, QuickTime, RealVideo 1.0/2.0/3.0/4.0, Windows Media Video (WMV 7/8/9), and so on

• Audio encoding formats
  AAC, AC-3, ADPCM, AMR, COOK, FLAC, G.729, MP1, MP2, MP3, Nellymoser Asao, Opus, PCM, RealAudio, Vorbis, and Windows Media Audio

Supported output formats

• Container formats
  FLV, MP4, MPEG-TS, M3U8, GIF, WebP, MP3, ADTS, FLAC, and so on
• Video encoding formats
  H.264/AVC and H.265/HEVC
• Audio encoding formats
  AAC (AAC-LC/AAC-HE), MP3, and FLAC

Conversion between different file formats and encoding formats

Supports the conversion between all mainstream video and audio file formats and encoding formats.

Live recording

Records live streams and stores the recorded videos in Kingsoft Cloud Standard Storage Service (KS3) for future playback.

Audio and video information extraction

Extracts audio and video parameters from specified media files.

Pre-defined transcoding presets

Provides pre-defined built-in transcoding presets for video, audio, and container format conversion.

Custom transcoding presets

Supports custom presets with user-defined transcoding parameters, including audio, video, and container parameters, to meet personalized transcoding requirements.

Screenshots

Captures a single screenshot of a video file or captures screenshots at specified intervals.

Image sprite

Merges multiple video frames into a single image for you to preview these frames.

Watermarks

Adds one or more PNG watermark files that are stored in KS3 to specified locations on video frames and supports auto scaling of the watermarks.

Audio and video slicing

Slices audio and video files stored in KS3 into M3U8 media clips of a specified length.

Video clipping

Returns a video clip of a specified length starting from a specified time point.

Audio and video stitching

Stitches audio and video files in different encoding formats into a single output file in the specified encoding format and file format. The sources must have the same number of video channels.

Flow task

Applies a series of custom processing procedures on one or more input files in sequence to obtain one or more output files, and returns the output files all at once.

Quota management

Allows you to specify the number of concurrent VoD transcoding tasks.

Video rotation

Allows you to set a degree of rotation for output videos.

Sidecar captions

Adds sidecar captions in SRT or ASS format to the transcoded files.

Video-to-GIF conversion

Converts videos into GIF files.

Blurring

Blurs parts of a video.

Audio and video separation

Extracts the audio or video separately from video files.

Video scaling

Scales videos in original aspect ratio.

Live transcoding

Supported protocols

• Stream pushing
  RTMP

• Stream pulling
  RTMP, HTTP-FLV, and HLS

Supported input and output encoding formats

Same as those in VoD transcoding.

Real-time transcoding for stream pushing and pulling

Supports stream pushing-triggered and stream pulling-triggered real-time transcoding.

Pre-defined transcoding presets

Provides pre-defined built-in transcoding presets for video, audio, and container format conversion.

Screenshots

Captures one or more screenshots in JPG or WebP format in live streaming.

Watermarks

Adds one or more PNG watermark files that are stored in KS3 to live videos and supports auto scaling of the watermarks.

Stream selection

Allows you to select any video stream and audio stream from multiple video and audio sources.

Carousel

Transcodes specified VoD files into live streams for loop playback to match an electronic program guide (EPG).

Live recording

Records live streams and stores the recorded videos in KS3 for future playback.