Matthew, I've noticed similar things with DVD resolution MPEG2 video, though I am not sure what to do about it.
scott http://crazedmuleproductions.blogspot.com On Mon, 2007-05-28 at 12:38 -0400, [EMAIL PROTECTED] wrote: > I have an MPEG2 video ES file created by demuxing an NTSC DVD. Some of > the frames in it are the result of telecining, but I don't care about that > - at this point, I want to treat it as 29.97fps progressive. I'm pretty > sure that none of this file is soft-telecine (with 23.976 fps stored in > the stream and the DVD player expected to perform the pulldown to generate > 29.970). It seems to be a mixture of 29.970 progressive and 29.970 hard > telecine. However, I'm not certain of that; I haven't found a good way of > testing it. > > When I try to load the file in Cinelerra, it takes up about 610 seconds on > the timeline. That's both if I read the .m2v directly or if I > pre-generate a .toc file with mpeg3toc. But all the other software I have > that can read .m2v files (namely, transcode and mplayer) report it as > being 586 seconds in length. Cinelerra reads it as about 4% longer than > the other software. This creates problems because I'm using transcode and > custom software to create a visual index of my footage which I'll then use > while editing with Cinelerra; I need the frame counts to be the same > between the two. > > When I ripped the DVDs I discarded the audio track because I didn't need > it, but I plan to go back and re-rip the audio from this chapter so I can > verify its length; that may give me some clue as to how long the video is > actually supposed to be. At this point, though, it looks like Cinelerra's > MPEG reader is counting frames incorrectly. Is there anything I can do > about it? _______________________________________________ Cinelerra mailing list [email protected] https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
