Muxing "m2ts" file, VERY SLOw !!!

[Selur]

The speed with which a source is shown depends on the source filter.
If:

• DGDecNV is used (requires NVIDIA card), the source gets indexed once before the preview is started. (Index dumped into a file.)
  
• LWLibAVSource/LSMASHSource is used, the source gets indexed each time the source is opened. (Index is created in memory. For most sources this is fast, but for m2ts often not.)
  
• FFMpegSource2 is used, the source gets index once before the preview is started. (Index dumped into a file.)
  
• DirectShowSource is used, no index is created, but frame seeking&co is not always frame accurate.
  
• AviSource is used, no index is created.
  

(To create an index the whole source needs to be analysed.)
=> try using DGDecNV or FFMpegSource2

Cu Selur