Well, the most important thing is that you can now edit your file in Cinelerra.
Nicolas. On Fri, Dec 29, 2006 at 06:57:19PM +0100, Pieter Thysebaert wrote: > Nicolas Maufrais wrote: > > Hello, > > > > Could you put somewhere on the internet the mpeg file brent.mpg, or > > brent.flv? That way we could have a look at it. > > > > Nicolas. > > > > > > Thx for your quick response; > > for starters, I have found my "mistake": the flv video contains mp3 > audio (single track 22050 Hz). > When encoding to brent.mpg, audio was encoded as "mp2 mono" and > mis-recognized in cinelerra as having two tracks. > > When I gave the additional option -acodec mp3 to ffmpeg, I have created > a brent2.mpg file which is now correctly recognized by cinelerra as > having a single audio track; playback now seems to work as normal. > > When I go back to work in January, I might upload the files (asymmetric > broadband at home....), but the only difference in ffmpeg encoding I used > is the -acodec mp3 switch. Interestingly though, ffmpeg -i on both files > still reads > > Input #0, mpeg, from 'brent.mpg': ------------------> without -acodec > mp3 switch > Duration: 00:03:53.6, start: 0.500000, bitrate: 570 kb/s > Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 320x240, 104857 kb/s, > 25.00 fps(r) > Stream #0.1[0x1c0]: Audio: mp2, 22050 Hz, mono, 56 kb/s > > Input #0, mpeg, from 'brent2.mpg' ------------------> with -acodec mp3 > switch: > Duration: 00:03:53.7, start: 0.500000, bitrate: 570 kb/s > Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 320x240, 104857 kb/s, > 25.00 fps(r) > Stream #0.1[0x1c0]: Audio: mp2, 22050 Hz, mono, 56 kb/s > > > Which looks the same to me, although the file sizes are different (by a > little) and only the latter file works ok in cinelerra. > > Pieter > > > > On Fri, Dec 29, 2006 at 06:23:28PM +0100, Pieter Thysebaert wrote: > > > >> Hello, > >> > >> I'm currently running Debian Etch and have installed cinelerra today from > >> deb http://www.kiberpipa.org/~minmax/cinelerra/builds/sid/ ./ > >> > >> I also have deb http://www.debian-multimedia.org sid main in my > >> sources.list (next to the etch entry for the same repository) > >> > >> The package cinelerra installs fine, but it chokes on MPEG video created > >> with ffmpeg from youtube FLV files. > >> > >> Symptoms: pressing "play" in the viewer just skips the timeline to the > >> end of the video, while just making a popping sound (using the ALSA > >> sound driver) > >> > >> ffmpeg -i says about the file > >> Input #0, mpeg, from 'brent.mpg': > >> Duration: 00:03:53.6, start: 0.500000, bitrate: 570 kb/s > >> Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 320x240, 104857 kb/s, > >> 25.00 fps(r) > >> Stream #0.1[0x1c0]: Audio: mp2, 22050 Hz, mono, 56 kb/s > >> > >> Cinelerra media info lists 2 audio channels 22050 Hz (bits: unknown), > >> 320x240 video 25fps > >> > >> This mpg file was created from a flv file using ffmpeg by issuing the > >> command > >> > >> ffmpeg -i brent.flv -ab 56 -ar 22050 -b 500 -s 320x240 brent.mpg > >> > >> > >> I have similar problems with other mpg files created from flv files; i'm > >> using an ffmpeg version on my Debian sarge box: > >> FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard > >> configuration: --prefix=/usr --libdir=${prefix}/lib > >> --incdir=${prefix}/include/ffmpeg --enable-shared --enable-mp3lame > >> --enable-gpl --enable-faad --mandir=${prefix}/share/man --enable-vorbis > >> --enable-pthreads --enable-faac --enable-xvid --enable-dts > >> --enable-amr_nb --enable-amr_wb --enable-pp --enable-libogg --enable-a52 > >> --enable-theora --enable-libgsm --enable-x264 --enable-a52bin > >> libavutil version: 49.0.0 > >> libavcodec version: 51.7.0 > >> libavformat version: 50.3.0 > >> built on Mar 18 2006 07:27:38, gcc: 3.3.5 (Debian 1:3.3.5-13) > >> > >> > >> The same clips can be played in MainActor demo version 5.5.37 (without > >> sound though). > >> > >> > >> So I suppose my questions come down to: > >> > >> 1. Is a normal working cinelerra from kiberpipa supposed to support the > >> mpg files I'm trying to feed it? > >> 2. Has anyone tried to run cinelerra on debian etch with minimal "sid" > >> packages? > >> 3. Maybe some more packages from Debian multimedia on my system need to > >> be upgraded from etch to sid? > >> > >> > >> Thanx, > >> > >> Pieter > >> > >> _______________________________________________ > >> Cinelerra mailing list > >> [email protected] > >> https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra > >> > >> > > > > > > > _______________________________________________ > Cinelerra mailing list > [email protected] > https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra > -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~ BOYCOTT SUSE & NOVELL (C)(TM)(R) MICRO$OFT ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ _______________________________________________ Cinelerra mailing list [email protected] https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
