On 2015-09-12, at 05:45, Nicolas George wrote: > Le quintidi 25 fructidor, an CCXXIII, Etienne Desautels a écrit : >> I'm trying to extract images (frames) from some DVD. For this I think I >> need to concatenate multiple .VOB (like VTS_01_1.VOB, VTS_01_2.VOB) to be >> able to extract images that are in the second, third, etc. VOB. > > This is a common misconception. DVD structure is more complex than just a > video stream split into several files. The VOB components are divided into > cells, with possibly cells out of order or menus intermixed and very > probably timestamp resets. All this is held together by the extra files, > especially the IFO files. > > FFmpeg can not read the IFO files itself, but it contains a script in the > tools directory that can generate a merging script: see tools/dvd2concat.
Nicolas, I just found the '-safe' option. Looks like everything works fine now. You can forgot my previous message. Thanks for your work. Etienne _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user
