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From: Dan D. <da...@de...> - 2001-11-17 10:33:51
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For release, we decided to set audioRendering=0 to use libdv, right? Frame::ExtractAudio seems stable now, but I was experiencing some horrible stuttering sound at the start of playback that I felt would be annoying. Is that fixed? On Sat, 2001-11-17 at 05:24, Charles Yates wrote: > Well, that certainly sounds better :-)... but playback in kino via libdv's > extract_full_audio has always had (and still has) a hissy quality - Arne's > implementation of the ExtractAudio (in kinos/src/frame.cc) sounds better > [for those not following the kinodev lists, 0.5 allows you to choose between > the libdv and ExtractAudio rendering - for me the ExtractAudio method is > working much better]. > > I am currently applying Stefan's fix to ExtractAudio and it currently plays > bleepless (but slightly distorted) audio there too ... Will continue with > this and post soon. > > Thanks, > > Charlie > > -----Original Message----- > From: kin...@li... > [mailto:kin...@li...]On Behalf Of Stefan Lucke > Sent: 17 November 2001 10:17 > To: lib...@li...; kino-dev > Subject: [Kino-dev] 12bit audio bleep FIXED > > > Hi, > > for thouse using 12bit audio should try the following > patch for fixing sound quality and audio bleeps in > 32kHz 12bit mode. Patch is for libdv code > (directory: YOUR_LIBDV_BASE_DIR/libdv). > > ------- cut ------ > --- audio.c.orig Fri Nov 16 22:59:57 2001 > +++ audio.c Sat Nov 17 09:53:55 2001 > @@ -500,9 +500,11 @@ > lsb = inbuf[bp+2]; > > y = ((msb_y << 4) & 0xff0) | ((lsb >> 4) & 0xf); > - if(y > 2047) y -= 4096; > + if(y == 2048) y = 4095; > + if(y > 2048) y -= 4096; > z = ((msb_z << 4) & 0xff0) | (lsb & 0xf); > - if(z > 2047) z -= 4096; > + if(z == 2048) z = 4095; > + if(z > 2048) z -= 4096; > > ysamples[i] = dv_upsample(y); > zsamples[i] = dv_upsample(z); > ------- cut ------ > > > -- > > mfg > > Stefan Lucke (Ste...@ep...) > > _______________________________________________ > Kino-dev mailing list > Kin...@li... > https://lists.sourceforge.net/lists/listinfo/kino-dev > > > _______________________________________________ > libdv-dev mailing list > lib...@li... > https://lists.sourceforge.net/lists/listinfo/libdv-dev |