[ecasound] edi-21 added: review of obj position functionality

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Subject: [ecasound] edi-21 added: review of obj position functionality
From: Kai Vehmanen (k_AT_eca.cx)
Date: Thu Jan 31 2002 - 14:57:21 EET

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Status: OPEN

(edi-21) Review of object position functionality
        - submitted: kaiv, 31.01.2002

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Details:

- goals
  - find out which objects contain audio position and length
    information
  - determine how different objects behave when position (or length)
    is set in different situations (chainsetup connected/disconnect,
    with/without engine running)
  - add concept of current position to controller objects (to
    make for example fade-ins work even if chainsetup position
    is changed during operation)
  - make sure all ECI commands work correctly in all
    situations described above
  - update documentation
- technical details
  - separate ECA_AUDIO_POSITION from ECA_AUDIO_FORMAT; make
    both of them inherit ECA_SAMPLERATE_AWARE
  - implement ECA_CHAINSETUP position using ECA_AUDIO_POSITION
- open issues
  - should new functionality (locations, alternative position
    representations) be added to ECA_AUDIO_POSITION

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