Skip to content



Unified Packager - create ISM Manifest

Version 1.7.4 of the Unified Packager executable (mp4split) with convenient commandline parameter mapping. The tool can be used to create Microsoft Smooth Streaming Manifests from ISMV, ISMA and ISMT Files, more output formats are supported. Full Documentation: Unified Packager


  "parameters": {
    "inputs": [
        "file": "ss/tos_10s_eng.isma",
        "track_name": "English",
        "track_language": "eng"
    "license_key": "{MP4SPLIT_LICENSE_KEY}",
    "output": "mss/tos.ism"
  "tool": "mp4split:createism"

Full License: Unified Packager Licensing Contact our HelpDesk for more use-cases or a testing-license

Parameter Properties Default Type Choice Description
output required
inputs required [list value]
license_key optional {MP4SPLIT_LICENSE_KEY} str