On Fri 09.07.2004 at 11:06:39AM +0200, Fons van der Beek wrote: > Unfortunatly i can't test matthieu's black frame detection, i can't compile > mplayer for this....
Is there something wrong with my patch? > mythTV uses a modified version of nubblevideo for their tv viewing and > commercial removal. as far as i know, they use logo detection. OK. > Some thoughts regarding add removal: > > -Because commercial detection is in every country different (several > approaches), the best way to go is an indexfile (as you did Matthieu), and > not removing or cutting in streams or avi, an SDL file is pretty standard IIRC, in France, some channels use (used to use?) green, blue or grey frames instead of black. A friend reported that Arte uses no special frame at all. > In respect to the gui, how about a skipforward(back) button in freevo > (chapters) If you go backwards just after a jumped ad, you see the ad. > -Another "quick" and "dirty" way to approach the "commercials" problem: If a > program is subbed by teletekst, one could also quickscan the teletekst > stream. To my knowledge each channel has a "dedicated" teletekst page > for the hearing impaired, off course this is not accurate, but it could save > some cpu usage. At least in Finland, most shows don't have teletext subs (but all foreign shows have normal subs inside the picture). > -Allthoug volume change's are forbidden in some countries during commercials > it's commonly used by marketing people (less dynamic sound, but a higher > average volume.(products for reducing this are commercialy available e.g. > http://www.costco.com/Browse/Product.aspx?prodid=10038127&whse=&topnav=&cat=4277&hierPath=79*4277* > ) > a paper regarding this issue can be found on: > http://gps-tsc.upc.es/GTAV/Torres/Publications/wiamis_albiol_fulla_torres.pdf > I am testing currently some things with mp3gain. up to now it takes 5 > minutes to analysze hour's mp3 file > I am splitting an avi into mp3's of a minute, find mean volumelevel and > analyze these...more on this one There could be an audio filter doing this in mplayer too, if someone writes it. The results could then be merged with the results from the black frame detection plugin. Matthieu -- (~._.~) Matthieu Weber - Universit� de Jyv�skyl� (~._.~) ( ? ) email : [EMAIL PROTECTED] ( ? ) ()- -() public key id : 452AE0AD ()- -() (_)-(_) "Humor ist, wenn man trotzdem lacht (Germain Muller)" (_)-(_) ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com _______________________________________________ Freevo-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/freevo-users
