| Top |  |  |  |  | 
| name | sink_%u | 
| direction | sink | 
| presence | request | 
| details | video/mpeg, mpegversion=(int){ 1, 2, 4 }, systemstream=(boolean)false | 
| video/x-dirac | |
| video/x-h264 | |
| audio/mpeg, mpegversion=(int){ 1, 2 } | |
| audio/mpeg, mpegversion=(int)4, stream-format=(string){ raw, adts } | |
| audio/x-lpcm, width=(int){ 16, 20, 24 }, rate=(int){ 48000, 96000 }, channels=(int)[ 1, 8 ], dynamic_range=(int)[ 0, 255 ], emphasis=(boolean){ false, true }, mute=(boolean){ false, true } | 
| name | src | 
| direction | source | 
| presence | always | 
| details | video/mpeg, mpegversion=(int)2, systemstream=(boolean)true | 
“aggregate-gops” property“aggregate-gops” gboolean
Whether to aggregate GOPs and push them out as buffer lists.
Flags: Read / Write
Default value: FALSE