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A media packaging and development framework for VOD and Live DASH and HLS applications, supporting Common Encryption for Widevine and other DRM Systems.
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Aaron Vaage 771944a3f5 Output Empty WebVtt Segments 
According to the HLS+WebVTT spec, if there is no text in a segment
a webvtt file with no cues can be added to the manifest. By outputting
empty segments it allows the accumulated duration in the Master Playlist
to better represent the duration of the text stream.

Spec Reference: //tools.ietf.org/html/draft-pantos-http-live-streaming-23
  Section 3.5. WebVTT

Bug: #205

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README.md

Shaka Packager

Build Status Build status

Shaka Packager is a tool and a media packaging SDK for DASH and HLS packaging and encryption. It can prepare and package media content for online streaming.

Shaka Packager supports:

  • Both Video-On-Demand and Live.

  • Streaming formats:

  • Key systems:

  • Encryption standards:

  • Media Containers and codecs

    Codecs ISO-BMFF WebM MPEG2-TS WVM
    H264 (AVC) I / O - I / O I
    H265 (HEVC) I / O - I -
    VP8 I / O I / O - -
    VP9 I / O I / O - -
    AAC I / O - I / O I
    Dolby AC3/EAC3 I / O - - -
    DTS I / O - - -
    Opus I / O I / O - -
    Vorbis - I / O - -

    ** I for input and O for output. ** Opus support in ISO-BMFF is experimental.

  • Platforms

    • Linux
    • Mac
    • Windows
    • Cross compiling for ARM is also supported.

1: Limited support

Getting Shaka Packager

There are several ways you can get Shaka Packager.

Useful Links

Contributing

If you have improvements or fixes, we would love to have your contributions. See https://github.com/google/shaka-packager/blob/master/CONTRIBUTING.md for details.