[FFmpeg-user] Using FFmpeg to convert AVCHD streams with broken timestamps into Mpeg2

Dear friends, I am trying to write a howto to transcode broken AVCHD files into high quality I Frames only Mpeg2. I may downgrade quality to avoid too large files. My question: Can FFmpeg fix broken timestamps? Two examples: http://www.kdenlive.org/video-editor/canon-hg10 http://www.kdenlive.org/video-editor/canon-hf11 I tried ffmpeg -i canon-hf11-avchd.MTS -f mpeg -acodec copy -vcodec mpeg2video -qscale 1 -qmin 1 -intra canon-hf11-mpeg2.mpg but timestamps are still broken. Any idea? Kind regards, Jean-Michel