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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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[DASH] Support signalling of last segment number (#713) 
Per https://dashif.org/docs/DASH-IF-IOP-v4.3.pdf 4.4.3.6 Signalling the last segment number in Period, there are three ways to signal the last segment number:

  a. Use the lmsg signalling as defined in clause 4.4.3.5.
  b. Use the Segment Timeline with @r value greater or equal to 0.
  c. Add a Supplemental Descriptor with @schemeIdUri set to http://dashif.org/guidelines/last-segment-number with the @value set to the last segment number.

We do not support (a). This change adds support for (c) when Segment Timeline (b) is not used, i.e. when Representation has constant duration (could be approximate).

Under flag --dash_add_last_segment_number_when_needed (disabled by default).
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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 Packed Audio²
    H264 (AVC) I / O - I / O I -
    H265 (HEVC) I / O - I - -
    VP8 I / O I / O - - -
    VP9 I / O I / O - - -
    AV1 I / O I / O - - -
    AAC I / O - I / O I O
    Dolby AC3 I / O - I / O - O
    Dolby EAC3 I / O - O - O
    DTS I / O - - - -
    FLAC I / O - - - -
    Opus I / O³ I / O - - -
    Vorbis - I / O - - -

    NOTES:

  • Subtitles

    • WebVTT in both text form and embedded in MP4
    • TTML in text form (DASH only)

  • 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.