On Fri, Dec 05, 2008 at 06:34:41AM +0900, Conrad Parker wrote: > So the last remaining tool to check is oggz-chop. I at first assumed it > would not work with Dirac's granulepos, but it seems to do something > vaguely useful: > > [EMAIL PROTECTED]:~/share/oggz-chop$ oggz chop -s 7 -e 11 -o > sage-7-11.ogv ../dirac/sage-640x360.ogg > [EMAIL PROTECTED]:~/share/oggz-chop$ oggz dump sage-7-11.ogv |grep > serialno | head -n 20 > 00:00:00.000: serialno 1762443388, granulepos 0, packetno 0 *** bos: 64 bytes > 00:00:00.000: serialno 1763535876, granulepos > (pt:0,dt:0,dist:0,delay:0), packetno 0 *** bos: 39 bytes > 00:00:00.000: serialno 0719746932, granulepos 0, packetno 0 *** bos: 30 bytes > 00:00:00.000: serialno 0719746932, calc. gpos 0, packetno 1: 75 bytes > 00:00:00.000: serialno 0719746932, granulepos 0, packetno 2: 3.742 kB > 00:00:00.000: serialno 1762443388, granulepos 0, packetno 1: 80 bytes > 00:00:00.000: serialno 1762443388, granulepos 0, packetno 2: 81 bytes > 00:00:00.000: serialno 1762443388, granulepos 0, packetno 3 *** eos: 0 bytes > 00:00:06.923: serialno 1763535876, granulepos > (pt:334,dt:332,dist:51,delay:2), packetno 2: 1.685 kB
The first picture should have a dist of 0, indicating that it's a place you can start decoding from. If you chopped an open GOP, you might get a few pictures after that which depend on earlier pictures, but they have presentation times before the key frame. They will be ignored by the decoder. dave... ------------------------------------------------------------------------------ SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ _______________________________________________ Schrodinger-devel mailing list Schrodinger-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/schrodinger-devel
