4 Channel pcm audio input to qtmux

[anjojohn]

Hi All,
how to give 4 channel pcm audio input to qtmux. From the gst-inspect of
qtmux i got confused. Does the second listing tells qtmux have 16 channel
support for raw pcm audio ? My audio have channel mask of 0x33. 
      audio/x-raw
                 format: { (string)S32LE, (string)S32BE, (string)S24LE,
(string)S24BE, (string)S16LE, (string)S16BE, (string)S8, (string)U8 }
                 layout: interleaved
               channels: [ 1, 2 ]
                   rate: [ 1, 2147483647 ]
      audio/x-raw
                 format: { (string)S32LE, (string)S32BE, (string)S24LE,
(string)S24BE, (string)S16LE, (string)S16BE, (string)S8, (string)U8 }
                 layout: interleaved
           channel-mask: 0x0000000000000000
               channels: [ 1, 16 ]
                   rate: [ 1, 2147483647 ]





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