i am convinced avidemux 2.6 would work great for you. i compiled it from source on fedora 17 and it works great, works great on windows as well.
i really urge you to give it a shot, it can't be that hard to set it up. emmanuel On Mon, Dec 24, 2012 at 10:59 PM, Roger <[email protected]> wrote: > > >> Think I'm running into an issue with streams created by the pvrusb2 > >> driver, or > >> Hauppauge devices. > >> > >> Avidemux seems to loose sync, even after manually specifying NTSC (~29 > >> fps). > >> On initial import of the video, the FPS is set to an initial >50 fps. > >> > >> I've tried everything within avidemux, and it just doesn't seem to even > >> play > >> the Hauppauge streams with a correct audio:video sync, although > changing to > >> 29-30 fps really helps. > >> > >> Just want to shrink some large TV broadcasted MPEG2 streams. Cutting > >> commercials seems to reduce the file from 8GB to 4GB. I'm seriously > just > >> thinking of burning them to a Blu-Ray disk, but that's quite expensive. > >> (Thinking the later might be more feasible at this point.) > > > On Mon, Dec 24, 2012 at 09:19:25PM +0100, Emmanuel Touzery wrote: > >Are you using avidemux 2.6? > >For av in 2.5 and 2.6 work equally well for me but for tv enission > >recording (dvb-t in europe), only 2.6 works well for audio sync. > > I'm in the US using (DVB) ATSC. > > The same video, plays just fine with mplayer. Never had a problem with > audio/video sync. I used to capture video using mencoder, but then ran > into > audio/video sync issues and resorted to dd. > > I'm using avidemux-2.5.6, while avidemux-2.6* series is hard masked here on > gentoo. > > I have tried playing around with exporting with different settings with no > success. > > I've also just tried cinelerra-20120707, and the audio is drifting far off > too > on playback. > > > This is TV Broadcasted video grabbed from an hvr-1950 using dd from the > /dev/dvb device. Not using mplayer/mencoder for recording as it further > processes the video before saving. > > I was using cat prior to using dd, but cat had issues with large files or > reception quality (unusual chars) or something. dd has proven more > reliable. > > So, I'm using the raw original stream. > > Some things from past notes, it's been stated extra frames could be being > broadcasted to ensure quality, hence the reason for 59.940 fps when playing > with mplayer. Mplayer also starts complaining every few frames about > switching > framerate/fps. I'm I'm thinking the later might more likely be the reason. > > ---Begin of Mplayer Snip--- > demux_mpg: 24000/1001fps progressive NTSC content detected, switching > framerate. > A:34534.1 V:34535.7 A-V: -1.629 ct: -0.050 51/ 33 19% 26% 0.3% 3 0 > > demux_mpg: 30000/1001fps NTSC content detected, switching framerate. > A:34534.1 V:34535.7 A-V: -1.621 ct: -0.052 52/ 34 18% 27% 0.2% 3 0 > Warning! FPS changed 47.952 -> 59.940 (-11.988010) [7] > A:34535.2 V:34536.8 A-V: -1.641 ct: -0.113 114/ 70 11% 16% 0.2% 3 0 > > demux_mpg: 24000/1001fps progressive NTSC content detected, switching > framerate. > A:34535.4 V:34537.0 A-V: -1.586 ct: -0.133 124/ 80 10% 15% 0.2% 3 0 > > demux_mpg: 30000/1001fps NTSC content detected, switching framerate. > A:34535.4 V:34537.0 A-V: -1.598 ct: -0.135 125/ 81 10% 15% 0.2% 3 0 > Warning! FPS changed 47.952 -> 59.940 (-11.988010) [7] > A:34538.4 V:34539.9 A-V: -1.503 ct: -0.256 300/153 9% 8% 0.2% 3 0 > ---End of Mplayer Snip--- > > > The Hauppauge audio/video sync was such a popular problem on the message > boards > without any resolution, and the only thing that comes to my mind is it may > have > been fixed with a firmware update, or a unique work-araound applied quietly > within mplayer. > > Well, one things certain, I'm sure I'm on the right mailing list -- as if > anybody knows, it would be people here! And, as I said, not going to pull > my > hair out on this. I usually just watch things once and discard the > recorded > show anyways. Likely the issue is only with TV broadcasted material and > not > with composite input recording. > > -- > Roger > http://rogerx.freeshell.org/ > _______________________________________________ > pvrusb2 mailing list > [email protected] > http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2 > _______________________________________________ pvrusb2 mailing list [email protected] http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2
