2010/6/23 Jonas Bardino <jonas@xxxxxxxxxxxxx>: > Bjørnar Nilsen wrote: >> Den 22.06.2010 07:21, skrev ECLiPSE: >>> I know that is not directly related to vdr, as my problem should come >>> from the reel src and not vdr. >>> I know there is here a good community of developpers and perhaps >>> someone can look at the src of the hdplayer and see if it could be >>> possible to add the detection of e-ac3 audio format , (and perhaps >>> finding the way to decode it or at least enable the ac3 compatibility?). >> >> I have this problem on norwegian terrestrial channels, getting no audio. >> I have just upgraded to vdr-1.7.15(yavdr 0.2.0). Im using xineliboutput. >> Have used this ppa https://launchpad.net/~yavdr/+archive/unstable-vdr . >> >> Here are the stats: >> -Audio through xineliboutput doesnt work >> -Audio through streamdev to vlc(windows 7) works. >> -Recording plays fine in vlc(windows 7), but not wiht xineliboutput. >> -Femon 1.7.7 does not detect this audio codec. >> >> I have made a recording, here is a sample http://www.nilux.com/2.ts . >> >> Dunno if its xineliboutput or vdr. >> >> Regards >> Bjørnar Nilsen > > Hi Bjørnar > > (I changed the subject as I do not think it is directly related to the > original issue). > > I'm no expert when it comes to the audio formats, but I have the same > experience here in Denmark. AFAICT the problem is missing LATM AAC[1] > decoding support in xine/ffmpeg/libfaad itself. > Neither xineliboutput or xine plugins provide audio for our MPEG4 > channels, but I can connect mplayer or vlc to xineliboutput on port > 37890 and get audio, so the core VDR components are not to blame. My > ffmpeg says something about missing LATM support when playing your > recording and my own: > $ ffmpeg -i 2.ts > FFmpeg version SVN-r23019-4:0.6~svn20100505-2yavdr1, Copyright (c) > 2000-2010 the FFmpeg developers > built on Jun 14 2010 12:58:34 with gcc 4.4.3 > configuration: --extra-version='4:0.6~svn20100505-2yavdr1' > --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau > --enable-bzlib --enable-libgsm --enable-libschroedinger > --enable-libspeex --enable-libtheora --enable-libvorbis > --enable-pthreads --enable-zlib --disable-stripping > --enable-runtime-cpudetect --enable-gpl --enable-postproc > --enable-x11grab --enable-libdc1394 --enable-shared --disable-static > libavutil 50.15. 0 / 50.15. 0 > libavcodec 52.66. 0 / 52.66. 0 > libavformat 52.62. 0 / 52.62. 0 > libavdevice 52. 2. 0 / 52. 2. 0 > libavfilter 1.19. 0 / 1.19. 0 > libswscale 0.10. 0 / 0.10. 0 > libpostproc 51. 2. 0 / 51. 2. 0 > [mpegts @ 0x14a7420]AAC LATM not currently supported, patch welcome > [h264 @ 0x14abae0]number of reference frames exceeds max (probably > corrupt input), discarding one > Last message repeated 361 times > [mpegts @ 0x14a7420]max_analyze_duration reached > Input #0, mpegts, from '2.ts': > Duration: 00:00:22.22, start: 14142.519600, bitrate: 7256 kb/s > Program 132 > Stream #0.0[0x200]: Video: h264, yuv420p, 1280x720 [PAR 1:1 DAR > 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc > Stream #0.1[0x280](nor): Data: 0x0011 > Stream #0.2[0x258](nor): Subtitle: dvbsub > Stream #0.3[0x259](nor): Subtitle: dvbsub > Stream #0.4[0x240]: Data: 0x0006 > > If you run xine --verbose=2 on the recording or on the xineliboutput > stream you will similarly see libfaad errors from the failed audio decoding. > > I have experimented with a Personal Package Archive at Launchpad[2] to > do some further testing but my conclusion so far is that no combination > of recent ffmpeg and xine versions support LATM. Other players like vlc, > xbmc, mythtv and mplayer apparently include their own LATM > parser/decoder before handing of the decoding of the raw AAC stream to > libfaad. > > I also commented on the issue at the VDR portal[3], but with no solution > so far. > I anyone knows more about this issue I'm all ears! > > Cheers, Jonas > > [1] http://wiki.multimedia.cx/index.php?title=Understanding_AAC > [2] https://launchpad.net/~jonas-bardino > [3] http://www.vdr-portal.de/board/thread.php?postid=912115 > > _______________________________________________ > vdr mailing list > vdr@xxxxxxxxxxx > http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr > hello, try to do as I did with svn xine-lib 1.2 read this http://hg.debian.org/hg/xine-lib/xine-lib-1.2-vdpau/file/57d31b4ca5e0/contrib/README.contrib and compile xine-lib with new sources of libfaad2 on contrib folder http://www.audiocoding.com/faad2.html download from this site is working with me to Portugal. only on vdr-xineliboutput. and yes Femon 1.7.7 does not detect this audio codec, this one must be update like vdr-xine hope that helps, best regards. _______________________________________________ vdr mailing list vdr@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
