it would be great if you could test these, and yuri's clip sample.ts and provide feedback ... just for my piece of mindthanks
ΟΚ, I tested the clips and I saw the problems you described. The log is full of ffmpeg errors.
Code
T:545443455200 ERROR: ffmpeg[7EFEF6A0E0]: [h264] non-existing SPS 0 referenced in buffering period
T:545443455200 ERROR: ffmpeg[7EFEF6A0E0]: [h264] non-existing PPS 0 referenced
T:545443455200 ERROR: ffmpeg[7EFEF6A0E0]: [h264] non-existing SPS 0 referenced in buffering period
T:545443455200 ERROR: ffmpeg[7EFEF6A0E0]: [h264] non-existing PPS 0 referenced
T:545443455200 ERROR: ffmpeg[7EFEF6A0E0]: [h264] decode_slice_header error
T:545443455200 ERROR: ffmpeg[7EFEF6A0E0]: [h264] no frame!
T:545443455200 DEBUG: ffmpeg[7EFEF6A0E0]: [mpegts] parser not found for codec dvb_teletext, packets or times may be invalid.
This is a wild guess but I think the problem is the teletext\subtitles streams in the files. They mess up the timings.