Ego, this is some inherent problem with these specific MP4 files.Ħ. These exact same problems arise on a range of other computers that I have tested so this is not a 'machine specific' issue. I have 'remuxed' my videos with a range of muxing software but this has not resolved this issue.ĥ. MP4 format but will work perfectly when muxed to. I have even re-encoded my source videos using a variety of H264 front ends but all these videos will not seek properly when played in.

MP4 format using either MeGui, AviDemux, Yamb etc I end up with a video that plays but which won't seek.ģ. MKV container then all these videos will BOTH play and seek perfectly in all players - so this seems to be a 'container problem'!Ģ. My research has determined the following:ġ. Note: It doesn't seem to matter what player I am using either as VLC, MPlayer, MPC all seem to have this same 'seek' problem. This delay can be as long as 15 minutes for a longer, movie length, HD video file.

When I say 'fall over' this could mean anything from a total player freeze/crash to several minutes of delay whilst the player moves slowly to the desired frames and starts playing again. MP4 files which I haven't been able to resolve in spite of not inconsiderable research and effort:īasically my problem is that some of my newer H264/.MP4 movies seem to play and seek perfectly whereas others will play perfectly but will fall over immediately upon encountering a seek request. Over the last few weeks I have been bugged by an apparently new problem with.

Ffmpeg mp4 h264