I just test this into a clean Fedora 19 (x64) installation. OpenShot installed by: yum -y install openshot OpenShot version: 1.4.3
Exact same error happens. Crash on exporting a movie with an slowed down clip inside. FFmpeg version on Fedora 19, from ffmpeg -version on console: ffmpeg version 1.2.2 built on Aug 4 2013 08:24:19 with gcc 4.8.1 (GCC) 20130603 (Red Hat 4.8.1-1) configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic' --enable-bzlib --disable-crystalhd --enable-frei0r --enable-gnutls --enable-libass --enable-libcelt --enable-libdc1394 --disable-indev=jack --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-openal --enable-libopencv --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libvpx --enable-libx264 --enable-libxvid --enable-x11grab --enable-avfilter --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect libavutil 52. 18.100 / 52. 18.100 libavcodec 54. 92.100 / 54. 92.100 libavformat 54. 63.104 / 54. 63.104 libavdevice 54. 3.103 / 54. 3.103 libavfilter 3. 42.103 / 3. 42.103 libswscale 2. 2.100 / 2. 2.100 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 -- You received this bug notification because you are a member of OpenShot Bugs, which is subscribed to OpenShot Video Editor. https://bugs.launchpad.net/bugs/1226080 Title: export always crash (slow down track inside project) Status in OpenShot Video Editor: New Bug description: Xubuntu 13.04 64 bits. OpenShot 1.4.3 from ubuntu's official repository. OpenShot always crash here when i'm trying to export to any format. The project has an slowdown video-audio track. If i remove that track, the export finishes just fine. Put slowed down track back, export crash instantly. This is the error i get trought the console: python: /build/buildd/libav-extra-0.8.6ubuntu2/libav/libavutil/mathematics.c:79: av_rescale_rnd: Assertion `c > 0' failed. Aborted (core dumped) To manage notifications about this bug go to: https://bugs.launchpad.net/openshot/+bug/1226080/+subscriptions -- Mailing list: https://launchpad.net/~openshot.bugs Post to : [email protected] Unsubscribe : https://launchpad.net/~openshot.bugs More help : https://help.launchpad.net/ListHelp

