On Tue, Jul 22, 2008 at 05:33:35PM +0200, Simon Wagner wrote: > Hello, > > I am trying to benchmark Dirac against Theora. As source I am using the first > few minutes of Elephants Dream. > > I am trying to encode the video with the help of GStreamer and > libschroedinger. At the moment, my encoding command looks like this: > > > #SMALLEST - produces 5,6 MB outputfile in rather bad quality, much worse than > theora, but 2,4 MB smaller than theora > gst-launch multifilesrc location=raw_png_360/%05d.png index=1 \ > caps="image/png,framerate=30/1,pixel-aspect-ratio=1/1" ! \ > pngdec ! ffmpegcolorspace ! video/x-raw-yuv,format=\(fourcc\)I420 ! \ > schroenc \ > enable-phasecorr-estimation=true enable-hierarchical-estimation=false \ > rate-control=1 bitrate=500000 ! \ > oggmux ! progressreport ! filesink location=ed_dirac.ogg
I was about to respond "Why in the world are you using 'enable-phasecorr-estimation=true'?", but then I remembered that I hadn't ever written documentation on all this stuff, so it might be a good idea to write it before flaming. So, http://diracvideo.org/wiki/index.php/Schroedinger_Encoder_Parameters Writing it also cured me of the desire to flame. dave... ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Schrodinger-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/schrodinger-devel
