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Muxing "m2ts" file, VERY SLOw !!!
The speed with which a source is shown depends on the source filter.
  • 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

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RE: Muxing "m2ts" file, VERY SLOw !!! - by Selur - 24.07.2023, 05:15

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