Needs time-based profile support!

[Thulinma]

Great idea, but this needs time-based profile support!
Perhaps something like this, with times forced to be contiguous and in milliseconds?

{
    "version" : 1,
    "manifest_ttl": 2,
    "adaptation_sets" : [
        {
            "mime_type" : "video/mp4",
            "segment_template" : {
                "init": "http://example.com/ace6123d-021d-41e2-bc31-4a082df189f9/$representation$/init.m4f",
                "media": "http://example.com/ace6123d-021d-41e2-bc31-4a082df189f9/$representation$/segment$time$.m4f",
                "times": [0, 500, 1000, 2500, 5000, 7500, 10000, 12500, 15000, 17500]
            },
            "representations" : {
                "c6a8533d-ff8f-437e-80d7-780f86a07ecd" : {
                    "bandwidth": 400000,
                    "codecs": "avc1.4d4015",
                    "height": 240,
                    "width": 426
                },
                "98bb279a-73bf-40b6-9c6a-f633ce8d2759" : {
                    "bandwidth": 800000,
                    "codecs": "avc1.4d401e",
                    "height": 480,
                    "width": 852
                }
            }
        },
        {
            "language" : "en",
            "mime_type" : "audio/mp4",
            "segment_template": {
                "init": "http://example.com/ace6123d-021d-41e2-bc31-4a082df189f9/$representation$/init.m4f",
                "media": "http://example.com/ace6123d-021d-41e2-bc31-4a082df189f9/$representation$/segment$time$.m4f",
                "times": [0, 5000, 10000, 15000]
            },
            "representations": {
                "c578f804-74aa-4aa5-887c-8837c81cc11d" : {
                    "bandwidth": 64000,
                    "codecs": "mp4a.40.2"
                }
            }
        }
    ]
}

[philcluff]

Hey Thulinma!

Thanks for your contribution, sorry it took me a long time to get back to you.

Its certainly something I'm very interested in supporting - it also has interesting applications for advertisement insertion, by effectively forcing a discontinuity at a particular segment.

One thing I'm concerned about is the number of variants that we allow in SASH. I'm also interested in making it highly declarative when it comes to which variant should be used for player behaviour and manifest parsing/verification. I'm probably talking myself into having a "variant" field at the top level in the manifest.

I'll leave this issue open until I've included this in the designs.

Thanks again,

[Thulinma]

Let me know if you want any input or need test streams.
I'm actually the lead programmer for the MistServer project, and we're totally adding support for SASH! But currently our code base cannot handle anything other than time based streams. So we're stuck for now :-(