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tim_beynart's avatar
tim_beynart
Channel Surfer
9 years ago

How to translate ID3 PRIV or GEOB to readable strings from HLS live stream?

I am trying to capture timed metadata from an HLS live stream. Using IsTimedMetaData() on the roVideoPlayerEvent, the info available is formatted like this, with either a PRIV of GEOB key: {     ...
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tim_beynart's avatar
tim_beynart
Channel Surfer
9 years ago
I made progress, in case anyone is in the same boat.
data = msg.GetInfo()
        if data.PRIV <> invalid
        ? "+++++++++++++++++++++++++++++++"
        ? "+++++    TIMED METADATA   +++++"

            ba = CreateObject("roByteArray")
            ba.FromHExString(data.PRIV)
            strg = ba.ToAsciiString()
            ? strg
         ? "+++++++++++++++++++++++++++++++"
        end if
'will print out something like 

+++++    TIMED METADATA   +++++
www.nielsen.com/X100zdCIGeIlgZnkYj6UvQ==/-NTXplxffzT26A8zx85cow==/DLUCGQsuwoqz1cqXPQA8xhYmQDTfpKUllSnSwH0mLRmQ4FmN5_oyKk1YgRwu_7Go7HwfmZa7ru8LN_PhMUHpHAcY_ztXgCb6rcSpn9JIES4P4COWfiIeY6T3ILuUMUvetbBcX100zdCIGeIlgZnkYj6UvVg_T7JYP0-8OWM=/00000/51385/00
+++++++++++++++++++++++++++++++