Changes between Initial Version and Version 1 of Specs/SignalInfoFormat


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Timestamp:
05/31/11 12:38:27 (13 years ago)
Author:
ph3-der-loewe
Comment:

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  • Specs/SignalInfoFormat

    v1 v1  
     1= SIGNALINFO Format = 
     2The SIGNALINFO meta data tag is used to store information about codec and other signal info in the VCLT playlist format. The following document describes the exact format for this meta data tag. 
     3 
     4There is a alias for SIGNALINFO called AUDIOINFO. It is a subset of SIGNALINFO and MUST ONLY be used for waveform or MIDI audio. 
     5 
     6The content of the tag is a list of parameters. The elements are separated by a ''single space''. Each element is a key-value pair. Key and value are separated by a single colon. The value is suffixed by the unit if applicable. There is no unit prefix like 'k' for kilo. The value is stored decimal. Factional values use decimal point ('.'). Keys are all lowercase but applications MUST NOT depend on this. They HAVE TO handle keys case insensitive. 
     7 
     8Example: 'rate:44100Hz channels:3' 
     9 
     10||= Key      =||= Unit =||= AUDIO =||= Types                               =||= Description                         =|| 
     11||codec       || (none) || Yes     || (all)                                 || Codec used. Must be a assigned codec. || 
     12||rate        ||Hz      || Yes     || waveform, midi, video, complex, light || Number of frames per second           || 
     13||bits        || (none) || Yes     || waveform, video, light                || Bits per Sample (pixel)               || 
     14||channels    || (none) || Yes     || waveform, midi, light                 || Number of channels                    || 
     15||x, y, z     ||px or m || No      || video                                 || Image size                            || 
     16|| stereomode || (none) || No      || video                                 || Stereo mode for Video                 || 
     17 
     18 
     19The AUDIO column tells if the key is allowed in AUDIOINFO tag.