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GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstAudioDecoder ╰── GstMad
| name | sink | 
| direction | sink | 
| presence | always | 
| details | audio/mpeg, mpegversion=(int)1, layer=(int)[ 1, 3 ], rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ] | 
| name | src | 
| direction | source | 
| presence | always | 
| details | audio/x-raw, format=(string)S32LE, layout=(string)interleaved, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ] |